Jakub Kosakowski
Country
POL
Birth Year
2002
Gender
M
Title
Grandmaster
FIDE ID
1185080
FIDE Rating
2538
FIDE Rating Graph
Games
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2026-01-27 | Titled Tue 27th Jan 2026 | chess.com INT | 9 | Sajid Sakline Mostafa | Jakub Kosakowski | 0-1 | 50 | Open |
| 2 | 2026-01-27 | Titled Tue 27th Jan 2026 | chess.com INT | 8 | Rafael Sharon | Jakub Kosakowski | 0-1 | 33 | Open |
| 3 | 2026-01-27 | Titled Tue 27th Jan 2026 | chess.com INT | 7 | Jakub Kosakowski | Nika Volkov | 0-1 | 52 | Open |
| 4 | 2026-01-27 | Titled Tue 27th Jan 2026 | chess.com INT | 6 | Raghav V | Jakub Kosakowski | 0-1 | 22 | Open |
| 5 | 2026-01-27 | Titled Tue 27th Jan 2026 | chess.com INT | 5 | Jakub Kosakowski | Le Phan Hoang Quan | 0-1 | 32 | Open |
| 6 | 2026-01-27 | Titled Tue 27th Jan 2026 | chess.com INT | 4 | Alexei Gubajdullin | Jakub Kosakowski | 0-1 | 57 | Open |
| 7 | 2026-01-27 | Titled Tue 27th Jan 2026 | chess.com INT | 3 | Jakub Kosakowski | Andrei Olhovik | 1-0 | 20 | Open |
| 8 | 2026-01-27 | Titled Tue 27th Jan 2026 | chess.com INT | 2 | Lorenzo Lodici | Jakub Kosakowski | 1-0 | 32 | Open |
| 9 | 2026-01-27 | Titled Tue 27th Jan 2026 | chess.com INT | 1 | Jakub Kosakowski | Tihomir Yanev | 1-0 | 41 | Open |
| 10 | 2026-01-27 | Titled Tue 27th Jan 2026 | chess.com INT | 11 | Maksim Omariev | Jakub Kosakowski | 0-1 | 51 | Open |
| 11 | 2026-01-27 | Titled Tue 27th Jan 2026 | chess.com INT | 10 | Jakub Kosakowski | Alexandr Fier | 1-0 | 12 | Open |
| 12 | 2026-01-13 | Titled Tue 13th Jan 2026 | chess.com INT | 9 | Jakub Kosakowski | Antonios Gkavardinas | 1-0 | 55 | Open |
| 13 | 2026-01-13 | Titled Tue 13th Jan 2026 | chess.com INT | 8 | Matthias Bluebaum | Jakub Kosakowski | 1-0 | 26 | Open |
| 14 | 2026-01-13 | Titled Tue 13th Jan 2026 | chess.com INT | 7 | Matthias Mattenberger | Jakub Kosakowski | 0-1 | 21 | Open |
| 15 | 2026-01-13 | Titled Tue 13th Jan 2026 | chess.com INT | 6 | Jakub Kosakowski | Shamsiddin Vokhidov | 0-1 | 36 | Open |
| 16 | 2026-01-13 | Titled Tue 13th Jan 2026 | chess.com INT | 5 | Dashgyn Ibadov | Jakub Kosakowski | 0-1 | 32 | Open |
| 17 | 2026-01-13 | Titled Tue 13th Jan 2026 | chess.com INT | 4 | Zarina Nurgaliyeva | Jakub Kosakowski | 0-1 | 43 | Open |
| 18 | 2026-01-13 | Titled Tue 13th Jan 2026 | chess.com INT | 3 | Jakub Kosakowski | Vincent Keymer | 0-1 | 38 | Open |
| 19 | 2026-01-13 | Titled Tue 13th Jan 2026 | chess.com INT | 2 | Gedeon Hartge | Jakub Kosakowski | 0-1 | 43 | Open |
| 20 | 2026-01-13 | Titled Tue 13th Jan 2026 | chess.com INT | 1 | Jakub Kosakowski | Arnold Essing | 1-0 | 54 | Open |
| 21 | 2026-01-13 | Titled Tue 13th Jan 2026 | chess.com INT | 11 | Jakub Kosakowski | Matvey Galchenko | 0-1 | 41 | Open |
| 22 | 2026-01-13 | Titled Tue 13th Jan 2026 | chess.com INT | 10 | Karina Ambartsumova | Jakub Kosakowski | 0-1 | 41 | Open |
| 23 | 2026-01-11 | 4NCL 2025-26 | England ENG | 4.1 | Jakub Kosakowski | Shreyas Royal | 1/2-1/2 | 22 | Open |
| 24 | 2026-01-10 | 4NCL 2025-26 | England ENG | 3.41 | Alexander Kovchan | Jakub Kosakowski | 1/2-1/2 | 29 | Open |
| 25 | 2025-12-30 | World Blitz 2025 | Doha QAT | 19.39 | Jakub Kosakowski | Levan Pantsulaia | 0-1 | 53 | Open |
| 26 | 2025-12-30 | World Blitz 2025 | Doha QAT | 18.47 | Hans Moke Niemann | Jakub Kosakowski | 0-1 | 33 | Open |
| 27 | 2025-12-30 | World Blitz 2025 | Doha QAT | 17.68 | Jakub Kosakowski | Ergali Suleimen | 1-0 | 44 | Open |
| 28 | 2025-12-30 | World Blitz 2025 | Doha QAT | 16.63 | Guha Mitrabha | Jakub Kosakowski | 1/2-1/2 | 40 | Open |
| 29 | 2025-12-30 | World Blitz 2025 | Doha QAT | 15.51 | Jakub Kosakowski | Chithambaram VR. Aravindh | 0-1 | 43 | Open |
| 30 | 2025-12-30 | World Blitz 2025 | Doha QAT | 14.49 | Radoslaw Wojtaszek | Jakub Kosakowski | 1/2-1/2 | 29 | Open |
| 31 | 2025-12-29 | World Blitz 2025 | Doha QAT | 9.4 | Jakub Kosakowski | Anish Giri | 1/2-1/2 | 72 | Open |
| 32 | 2025-12-29 | World Blitz 2025 | Doha QAT | 8.25 | Nihal Sarin | Jakub Kosakowski | 1-0 | 63 | Open |
| 33 | 2025-12-29 | World Blitz 2025 | Doha QAT | 7.38 | Jakub Kosakowski | Quang Liem Le | 1-0 | 41 | Open |
| 34 | 2025-12-29 | World Blitz 2025 | Doha QAT | 6.34 | Ray Robson | Jakub Kosakowski | 1/2-1/2 | 105 | Open |
| 35 | 2025-12-29 | World Blitz 2025 | Doha QAT | 5.96 | Jakub Kosakowski | Hamed Wafa | 1-0 | 19 | Open |
| 36 | 2025-12-29 | World Blitz 2025 | Doha QAT | 4.37 | Gukesh D | Jakub Kosakowski | 1-0 | 39 | Open |
| 37 | 2025-12-29 | World Blitz 2025 | Doha QAT | 3.74 | Jakub Kosakowski | Mazen. Fandi | 1-0 | 70 | Open |
| 38 | 2025-12-29 | World Blitz 2025 | Doha QAT | 2.27 | Pentala Harikrishna | Jakub Kosakowski | 1-0 | 61 | Open |
| 39 | 2025-12-29 | World Blitz 2025 | Doha QAT | 13.87 | Jakub Kosakowski | Sion Radamantys Galaviz Medina | 1-0 | 55 | Open |
| 40 | 2025-12-29 | World Blitz 2025 | Doha QAT | 12.96 | Praveen Balakrishnan | Jakub Kosakowski | 0-1 | 31 | Open |
| 41 | 2025-12-29 | World Blitz 2025 | Doha QAT | 11.87 | Dau Khuong Duy | Jakub Kosakowski | 1-0 | 43 | Open |
| 42 | 2025-12-29 | World Blitz 2025 | Doha QAT | 10.39 | Jakub Kosakowski | Parham Maghsoodloo | 0-1 | 50 | Open |
| 43 | 2025-12-29 | World Blitz 2025 | Doha QAT | 1.12 | Jakub Kosakowski | Emad Khayat | 1-0 | 25 | Open |
| 44 | 2025-12-28 | World Rapid 2025 | Doha QAT | 13.24 | Alexander Motylev | Jakub Kosakowski | 1-0 | 20 | Open |
| 45 | 2025-12-28 | World Rapid 2025 | Doha QAT | 12.29 | Jakub Kosakowski | Maksim Chigaev | 1-0 | 41 | Open |
| 46 | 2025-12-28 | World Rapid 2025 | Doha QAT | 11.34 | Jakub Kosakowski | Xiangzhi Bu | 1/2-1/2 | 46 | Open |
| 47 | 2025-12-28 | World Rapid 2025 | Doha QAT | 10.13 | Anish Giri | Jakub Kosakowski | 1-0 | 52 | Open |
| 48 | 2025-12-27 | World Rapid 2025 | Doha QAT | 9.16 | Praggnanandhaa R | Jakub Kosakowski | 1/2-1/2 | 32 | Open |
| 49 | 2025-12-27 | World Rapid 2025 | Doha QAT | 8.15 | Jakub Kosakowski | Samuel Sevian | 1/2-1/2 | 73 | Open |
| 50 | 2025-12-27 | World Rapid 2025 | Doha QAT | 7.13 | Jakub Kosakowski | Maxim Matlakov | 1/2-1/2 | 48 | Open |
| 51 | 2025-12-27 | World Rapid 2025 | Doha QAT | 6.23 | Andrey Esipenko | Jakub Kosakowski | 0-1 | 56 | Open |
| 52 | 2025-12-26 | World Rapid 2025 | Doha QAT | 5.34 | Jakub Kosakowski | Baadur Jobava | 1-0 | 25 | Open |
| 53 | 2025-12-26 | World Rapid 2025 | Doha QAT | 4.15 | Rauf Mamedov | Jakub Kosakowski | 1-0 | 48 | Open |
| 54 | 2025-12-26 | World Rapid 2025 | Doha QAT | 3.31 | Jakub Kosakowski | Nils Grandelius | 1-0 | 24 | Open |
| 55 | 2025-12-26 | World Rapid 2025 | Doha QAT | 2.27 | Vasyl Ivanchuk | Jakub Kosakowski | 1/2-1/2 | 50 | Open |
| 56 | 2025-12-26 | World Rapid 2025 | Doha QAT | 1.119 | Jakub Kosakowski | Talab Rami | 1-0 | 34 | Open |
| 57 | 2025-12-19 | Wroclaw Open A 2025 | Wroclaw POL | 9.8 | Jakub Kosakowski | Prraneeth Vuppala | 1/2-1/2 | 26 | Open |
| 58 | 2025-12-18 | Wroclaw Open A 2025 | Wroclaw POL | 8.7 | Yuval Yaniv | Jakub Kosakowski | 1/2-1/2 | 45 | Open |
| 59 | 2025-12-17 | Wroclaw Open A 2025 | Wroclaw POL | 7.1 | Jakub Kosakowski | Filip Ochedzan | 1-0 | 41 | Open |
| 60 | 2025-12-17 | Wroclaw Open A 2025 | Wroclaw POL | 6.8 | Shete Sammed Jaykumar | Jakub Kosakowski | 1/2-1/2 | 48 | Open |
| 61 | 2025-12-16 | Wroclaw Open A 2025 | Wroclaw POL | 5.8 | Jakub Kosakowski | Dhulipalla Bala Chandra Prasad | 1/2-1/2 | 52 | Open |
| 62 | 2025-12-15 | Wroclaw Open A 2025 | Wroclaw POL | 4.5 | Shyaam Nikhil P | Jakub Kosakowski | 1/2-1/2 | 17 | Open |
| 63 | 2025-12-15 | Wroclaw Open A 2025 | Wroclaw POL | 3.9 | Jakub Kosakowski | Rishi Vijayakumar | 1-0 | 72 | Open |
| 64 | 2025-12-14 | Wroclaw Open A 2025 | Wroclaw POL | 2.4 | Antoni Radzimski | Jakub Kosakowski | 1/2-1/2 | 70 | Open |
| 65 | 2025-12-13 | Wroclaw Open A 2025 | Wroclaw POL | 1.7 | Jakub Kosakowski | Michalina Rudzinska | 1-0 | 39 | Open |
| 66 | 2025-12-09 | Titled Tue 9th Dec 2025 | chess.com INT | 9 | Matthias Bluebaum | Jakub Kosakowski | 1-0 | 40 | Open |
| 67 | 2025-12-09 | Titled Tue 9th Dec 2025 | chess.com INT | 8 | Yihan Meng | Jakub Kosakowski | 0-1 | 116 | Open |
| 68 | 2025-12-09 | Titled Tue 9th Dec 2025 | chess.com INT | 7 | Jakub Kosakowski | Matthias Dann | 1-0 | 29 | Open |
| 69 | 2025-12-09 | Titled Tue 9th Dec 2025 | chess.com INT | 6 | Tuan Minh Le | Jakub Kosakowski | 1-0 | 45 | Open |
| 70 | 2025-12-09 | Titled Tue 9th Dec 2025 | chess.com INT | 5 | Jakub Kosakowski | Parham Maghsoodloo | 1/2-1/2 | 90 | Open |
| 71 | 2025-12-09 | Titled Tue 9th Dec 2025 | chess.com INT | 4 | Jakub Kosakowski | Dinesh Rajan M | 1-0 | 62 | Open |
| 72 | 2025-12-09 | Titled Tue 9th Dec 2025 | chess.com INT | 3 | Alexey Sarana | Jakub Kosakowski | 1-0 | 48 | Open |
| 73 | 2025-12-09 | Titled Tue 9th Dec 2025 | chess.com INT | 2 | Jens E Ingebretsen | Jakub Kosakowski | 0-1 | 33 | Open |
| 74 | 2025-12-09 | Titled Tue 9th Dec 2025 | chess.com INT | 1 | Jakub Kosakowski | Advik Prasanna | 1-0 | 40 | Open |
| 75 | 2025-12-09 | Titled Tue 9th Dec 2025 | chess.com INT | 11 | Rose Atwell | Jakub Kosakowski | 1-0 | 30 | Open |
| 76 | 2025-12-09 | Titled Tue 9th Dec 2025 | chess.com INT | 10 | Jakub Kosakowski | Novak Dumbelovic | 1-0 | 58 | Open |
| 77 | 2025-12-07 | Bundesliga 2025-26 | Heimbach-Weis GER | 4.1 | Jakub Kosakowski | Karthik Venkataraman | 1/2-1/2 | 38 | Open |
| 78 | 2025-12-06 | Bundesliga 2025-26 | Heimbach-Weis GER | 3.1 | Nijat Abasov | Jakub Kosakowski | 1-0 | 74 | Open |
| 79 | 2025-12-02 | Titled Tue 2nd Dec 2025 | chess.com INT | 9 | Jakub Kosakowski | Jeevan Karamsetty | 1-0 | 57 | Open |
| 80 | 2025-12-02 | Titled Tue 2nd Dec 2025 | chess.com INT | 8 | Vitaly Teterev | Jakub Kosakowski | 1/2-1/2 | 70 | Open |
| 81 | 2025-12-02 | Titled Tue 2nd Dec 2025 | chess.com INT | 7 | Jakub Kosakowski | Viktor Skliarov | 1-0 | 36 | Open |
| 82 | 2025-12-02 | Titled Tue 2nd Dec 2025 | chess.com INT | 6 | Anastasia Avramidou | Jakub Kosakowski | 1/2-1/2 | 56 | Open |
| 83 | 2025-12-02 | Titled Tue 2nd Dec 2025 | chess.com INT | 5 | Jakub Kosakowski | Damir Bulgak | 0-1 | 38 | Open |
| 84 | 2025-12-02 | Titled Tue 2nd Dec 2025 | chess.com INT | 4 | Daniel Barria Zuniga | Jakub Kosakowski | 0-1 | 52 | Open |
| 85 | 2025-12-02 | Titled Tue 2nd Dec 2025 | chess.com INT | 3 | Jakub Kosakowski | V Pranav | 0-1 | 44 | Open |
| 86 | 2025-12-02 | Titled Tue 2nd Dec 2025 | chess.com INT | 2 | Jakub Kosakowski | Setumadhav Yellumahanthi | 1-0 | 31 | Open |
| 87 | 2025-12-02 | Titled Tue 2nd Dec 2025 | chess.com INT | 1 | Baptiste Lissillour | Jakub Kosakowski | 0-1 | 33 | Open |
| 88 | 2025-12-02 | Titled Tue 2nd Dec 2025 | chess.com INT | 11 | Denis Lazavik | Jakub Kosakowski | 1-0 | 29 | Open |
| 89 | 2025-12-02 | Titled Tue 2nd Dec 2025 | chess.com INT | 10 | Nikita Fedotov | Jakub Kosakowski | 0-1 | 25 | Open |
| 90 | 2025-11-25 | Titled Tue 25th Nov 2025 | chess.com INT | 9 | Olexandr Bortnyk | Jakub Kosakowski | 0-1 | 30 | Open |
| 91 | 2025-11-25 | Titled Tue 25th Nov 2025 | chess.com INT | 8 | Jakub Kosakowski | Adar Tarhan | 1-0 | 37 | Open |
| 92 | 2025-11-25 | Titled Tue 25th Nov 2025 | chess.com INT | 7 | Jose Eduardo Martinez Alcantara | Jakub Kosakowski | 1-0 | 28 | Open |
| 93 | 2025-11-25 | Titled Tue 25th Nov 2025 | chess.com INT | 6 | Jakub Kosakowski | Grigoriy Oparin | 1/2-1/2 | 71 | Open |
| 94 | 2025-11-25 | Titled Tue 25th Nov 2025 | chess.com INT | 5 | Jakub Kosakowski | Chithambaram VR. Aravindh | 1/2-1/2 | 63 | Open |
| 95 | 2025-11-25 | Titled Tue 25th Nov 2025 | chess.com INT | 4 | Renato Terry | Jakub Kosakowski | 0-1 | 21 | Open |
| 96 | 2025-11-25 | Titled Tue 25th Nov 2025 | chess.com INT | 3 | Ian Nepomniachtchi | Jakub Kosakowski | 1/2-1/2 | 53 | Open |
| 97 | 2025-11-25 | Titled Tue 25th Nov 2025 | chess.com INT | 2 | Jakub Kosakowski | Vijay Srinivas Anandh | 1-0 | 51 | Open |
| 98 | 2025-11-25 | Titled Tue 25th Nov 2025 | chess.com INT | 1 | Konstantin Begunov | Jakub Kosakowski | 0-1 | 39 | Open |
| 99 | 2025-11-25 | Titled Tue 25th Nov 2025 | chess.com INT | 11 | Jakub Kosakowski | Ante Brkic | 1/2-1/2 | 116 | Open |
| 100 | 2025-11-25 | Titled Tue 25th Nov 2025 | chess.com INT | 10 | Quang Liem Le | Jakub Kosakowski | 1-0 | 84 | Open |
| 101 | 2025-11-23 | 34th TCh-CRO Div 1b 2025 | Veli Losinj CRO | 9.1 | Jakub Kosakowski | Milos Stankovic | 1/2-1/2 | 6 | Open |
| 102 | 2025-11-22 | 34th TCh-CRO Div 1b 2025 | Veli Losinj CRO | 8.2 | Jakub Kosakowski | Dusan Popovic | 1-0 | 41 | Open |
| 103 | 2025-11-21 | 34th TCh-CRO Div 1b 2025 | Veli Losinj CRO | 7.2 | Ivan Vihor Krsnik Cohar | Jakub Kosakowski | 0-1 | 34 | Open |
| 104 | 2025-11-20 | 34th TCh-CRO Div 1b 2025 | Veli Losinj CRO | 6.2 | Jakub Kosakowski | Tomas Polak | 1/2-1/2 | 60 | Open |
| 105 | 2025-11-19 | 34th TCh-CRO Div 1b 2025 | Veli Losinj CRO | 5.2 | Lukas Dotzer | Jakub Kosakowski | 1/2-1/2 | 14 | Open |
| 106 | 2025-11-18 | 34th TCh-CRO Div 1b 2025 | Veli Losinj CRO | 4.2 | Jakub Kosakowski | Novak Cabarkapa | 1-0 | 26 | Open |
| 107 | 2025-11-17 | 34th TCh-CRO Div 1b 2025 | Veli Losinj CRO | 3.2 | Jakub Kosakowski | Bozidar Ivekovic | 1-0 | 44 | Open |
| 108 | 2025-11-16 | 34th TCh-CRO Div 1b 2025 | Veli Losinj CRO | 2.2 | Slaven Pastar | Jakub Kosakowski | 1/2-1/2 | 37 | Open |
| 109 | 2025-11-15 | 34th TCh-CRO Div 1b 2025 | Veli Losinj CRO | 1.2 | Jakub Kosakowski | Gal Drnovsek | 1/2-1/2 | 28 | Open |
| 110 | 2025-11-11 | Titled Tue 11th Nov 2025 | chess.com INT | 9 | Simon K Williams | Jakub Kosakowski | 1-0 | 29 | Open |
| 111 | 2025-11-11 | Titled Tue 11th Nov 2025 | chess.com INT | 8 | Jakub Kosakowski | Felix-Antonio Ilinca | 0-1 | 64 | Open |
| 112 | 2025-11-11 | Titled Tue 11th Nov 2025 | chess.com INT | 7 | Ivan Kukushkin | Jakub Kosakowski | 0-1 | 50 | Open |
| 113 | 2025-11-11 | Titled Tue 11th Nov 2025 | chess.com INT | 6 | Viktor Skliarov | Jakub Kosakowski | 0-1 | 32 | Open |
| 114 | 2025-11-11 | Titled Tue 11th Nov 2025 | chess.com INT | 5 | Jakub Kosakowski | Alexander Grischuk | 0-1 | 53 | Open |
| 115 | 2025-11-11 | Titled Tue 11th Nov 2025 | chess.com INT | 4 | Huseyin Said Deveci | Jakub Kosakowski | 0-1 | 52 | Open |
| 116 | 2025-11-11 | Titled Tue 11th Nov 2025 | chess.com INT | 3 | Jakub Kosakowski | Mikelis Vingris | 1/2-1/2 | 76 | Open |
| 117 | 2025-11-11 | Titled Tue 11th Nov 2025 | chess.com INT | 2 | Angel Eduardo Chahin Godoy | Jakub Kosakowski | 0-1 | 33 | Open |
| 118 | 2025-11-11 | Titled Tue 11th Nov 2025 | chess.com INT | 1 | Jakub Kosakowski | Bao Khoa | 1/2-1/2 | 97 | Open |
| 119 | 2025-11-11 | Titled Tue 11th Nov 2025 | chess.com INT | 11 | Jakub Kosakowski | Vidip Kona | 1-0 | 62 | Open |
| 120 | 2025-11-11 | Titled Tue 11th Nov 2025 | chess.com INT | 10 | Oliver Wartiovaara | Jakub Kosakowski | 0-1 | 56 | Open |
| 121 | 2025-11-02 | 4NCL 2025-26 | England ENG | 2.25 | David J Eggleston | Jakub Kosakowski | 0-1 | 48 | Open |
| 122 | 2025-11-01 | 4NCL 2025-26 | England ENG | 1.33 | Jakub Kosakowski | Alan B Merry | 1-0 | 35 | Open |
| 123 | 2025-10-28 | Titled Tue 28th Oct 2025 | chess.com INT | 9 | Sergei Iskusnyh | Jakub Kosakowski | 1-0 | 72 | Open |
| 124 | 2025-10-28 | Titled Tue 28th Oct 2025 | chess.com INT | 8 | Harshit Ranjan Sahu | Jakub Kosakowski | 1-0 | 65 | Open |
| 125 | 2025-10-28 | Titled Tue 28th Oct 2025 | chess.com INT | 7 | Jakub Kosakowski | Meri Arabidze | 0-1 | 52 | Open |
| 126 | 2025-10-28 | Titled Tue 28th Oct 2025 | chess.com INT | 6 | Alexander Grischuk | Jakub Kosakowski | 1-0 | 31 | Open |
| 127 | 2025-10-28 | Titled Tue 28th Oct 2025 | chess.com INT | 5 | Jakub Kosakowski | Sunle Gong | 1-0 | 29 | Open |
| 128 | 2025-10-28 | Titled Tue 28th Oct 2025 | chess.com INT | 4 | V Pranav | Jakub Kosakowski | 1-0 | 56 | Open |
| 129 | 2025-10-28 | Titled Tue 28th Oct 2025 | chess.com INT | 3 | Jakub Kosakowski | Vladimir Goncharov | 1-0 | 45 | Open |
| 130 | 2025-10-28 | Titled Tue 28th Oct 2025 | chess.com INT | 2 | Jakub Kosakowski | Tomasz Jaskolka | 1-0 | 62 | Open |
| 131 | 2025-10-28 | Titled Tue 28th Oct 2025 | chess.com INT | 1 | Vyom Malhotra | Jakub Kosakowski | 0-1 | 62 | Open |
| 132 | 2025-10-28 | Titled Tue 28th Oct 2025 | chess.com INT | 11 | Vadym Petrovskiy | Jakub Kosakowski | 1-0 | 46 | Open |
| 133 | 2025-10-28 | Titled Tue 28th Oct 2025 | chess.com INT | 10 | Jakub Kosakowski | Viktor N. Parfenov | 1-0 | 19 | Open |
| 134 | 2025-10-13 | 25th European Teams | Batumi GEO | 8.1 | Jakub Kosakowski | Vaclav Finek | 0-1 | 52 | Open |
| 135 | 2025-10-10 | 25th European Teams | Batumi GEO | 6.14 | Milton Pantzar | Jakub Kosakowski | 0-1 | 57 | Open |
| 136 | 2025-10-08 | 25th European Teams | Batumi GEO | 4.1 | Luka Draskovic | Jakub Kosakowski | 1-0 | 34 | Open |
| 137 | 2025-10-07 | 25th European Teams | Batumi GEO | 3.4 | Mahammad Muradli | Jakub Kosakowski | 1/2-1/2 | 48 | Open |
| 138 | 2025-10-05 | 25th European Teams | Batumi GEO | 1.13 | Jakub Kosakowski | Hannes Stefansson | 1/2-1/2 | 27 | Open |
| 139 | 2025-09-30 | Titled Tue 30th Sep 2025 | chess.com INT | 9 | Vitaly Teterev | Jakub Kosakowski | 0-1 | 70 | Open |
| 140 | 2025-09-30 | Titled Tue 30th Sep 2025 | chess.com INT | 8 | Jakub Kosakowski | Alexei Gubajdullin | 0-1 | 56 | Open |
| 141 | 2025-09-30 | Titled Tue 30th Sep 2025 | chess.com INT | 7 | Ruslan Momunaliev | Jakub Kosakowski | 0-1 | 28 | Open |
| 142 | 2025-09-30 | Titled Tue 30th Sep 2025 | chess.com INT | 6 | Jakub Kosakowski | Evsuld Myagmarsuren | 1-0 | 32 | Open |
| 143 | 2025-09-30 | Titled Tue 30th Sep 2025 | chess.com INT | 5 | Nikolay Kleimenov | Jakub Kosakowski | 1-0 | 45 | Open |
| 144 | 2025-09-30 | Titled Tue 30th Sep 2025 | chess.com INT | 4 | Jakub Kosakowski | Nikita Shandrygin | 0-1 | 49 | Open |
| 145 | 2025-09-30 | Titled Tue 30th Sep 2025 | chess.com INT | 3 | Viktor N. Parfenov | Jakub Kosakowski | 1/2-1/2 | 65 | Open |
| 146 | 2025-09-30 | Titled Tue 30th Sep 2025 | chess.com INT | 2 | Lovro Novosel | Jakub Kosakowski | 0-1 | 27 | Open |
| 147 | 2025-09-30 | Titled Tue 30th Sep 2025 | chess.com INT | 1 | Jakub Kosakowski | Colin Federer | 1-0 | 32 | Open |
| 148 | 2025-09-30 | Titled Tue 30th Sep 2025 | chess.com INT | 11 | Stamatis Kourkoulos-Arditis | Jakub Kosakowski | 0-1 | 77 | Open |
| 149 | 2025-09-30 | Titled Tue 30th Sep 2025 | chess.com INT | 10 | Jakub Kosakowski | Alexander Gelman | 1-0 | 43 | Open |
| 150 | 2025-09-28 | Bundesliga 2025-26 | Heimbach-Weis GER | 2.7 | Jakub Kosakowski | MarcAndria Maurizzi | 1/2-1/2 | 30 | Open |
| 151 | 2025-09-27 | Bundesliga 2025-26 | Heimbach-Weis GER | 1.7 | Niclas Huschenbeth | Jakub Kosakowski | 1/2-1/2 | 55 | Open |
| 152 | 2025-09-23 | Titled Tue 23rd Sep 2025 | chess.com INT | 9 | Jakub Kosakowski | Andrew Tang | 0-1 | 45 | Open |
| 153 | 2025-09-23 | Titled Tue 23rd Sep 2025 | chess.com INT | 8 | Jakub Kosakowski | Lovro Novosel | 1-0 | 54 | Open |
| 154 | 2025-09-23 | Titled Tue 23rd Sep 2025 | chess.com INT | 7 | Tair Vahidov | Jakub Kosakowski | 0-1 | 52 | Open |
| 155 | 2025-09-23 | Titled Tue 23rd Sep 2025 | chess.com INT | 6 | Islombek Sindarov | Jakub Kosakowski | 0-1 | 33 | Open |
| 156 | 2025-09-23 | Titled Tue 23rd Sep 2025 | chess.com INT | 5 | Jakub Kosakowski | Zachary Tanenbaum | 0-1 | 62 | Open |
| 157 | 2025-09-23 | Titled Tue 23rd Sep 2025 | chess.com INT | 4 | Vivaan Vishal Shah | Jakub Kosakowski | 0-1 | 30 | Open |
| 158 | 2025-09-23 | Titled Tue 23rd Sep 2025 | chess.com INT | 3 | Jakub Kosakowski | Maxime Vachier-Lagrave | 0-1 | 44 | Open |
| 159 | 2025-09-23 | Titled Tue 23rd Sep 2025 | chess.com INT | 2 | Le Thao Nguyen Pham | Jakub Kosakowski | 0-1 | 49 | Open |
| 160 | 2025-09-23 | Titled Tue 23rd Sep 2025 | chess.com INT | 1 | Jakub Kosakowski | Martin Holten Fiskaaen | 1-0 | 54 | Open |
| 161 | 2025-09-23 | Titled Tue 23rd Sep 2025 | chess.com INT | 11 | A.R. Saleh Salem | Jakub Kosakowski | 1/2-1/2 | 83 | Open |
| 162 | 2025-09-23 | Titled Tue 23rd Sep 2025 | chess.com INT | 10 | Matthias Dann | Jakub Kosakowski | 0-1 | 30 | Open |
| 163 | 2025-09-20 | Szansa Open Rapid 2025 | Warsaw POL | 9.1 | Jakub Kosakowski | Igor Janik | 0-1 | 48 | Open |
| 164 | 2025-09-20 | Szansa Open Rapid 2025 | Warsaw POL | 8.1 | Grzegorz Nasuta | Jakub Kosakowski | 0-1 | 35 | Open |
| 165 | 2025-09-20 | Szansa Open Rapid 2025 | Warsaw POL | 7.2 | Jakub Kosakowski | Wiktor Golis | 1-0 | 31 | Open |
| 166 | 2025-09-20 | Szansa Open Rapid 2025 | Warsaw POL | 6.2 | Tymon Czernek | Jakub Kosakowski | 1/2-1/2 | 59 | Open |
| 167 | 2025-09-20 | Szansa Open Rapid 2025 | Warsaw POL | 5.3 | Jakub Kosakowski | Rafal Dalkowski | 1-0 | 23 | Open |
| 168 | 2025-09-20 | Szansa Open Rapid 2025 | Warsaw POL | 4.6 | Jan Wojdak | Jakub Kosakowski | 0-1 | 28 | Open |
| 169 | 2025-09-20 | Szansa Open Rapid 2025 | Warsaw POL | 3.1 | Jakub Kosakowski | Michal Bartel | 1/2-1/2 | 69 | Open |
| 170 | 2025-09-20 | Szansa Open Rapid 2025 | Warsaw POL | 2.1 | Nikita Semenukha | Jakub Kosakowski | 0-1 | 34 | Open |
| 171 | 2025-09-20 | Szansa Open Rapid 2025 | Warsaw POL | 11.2 | Jakub Kosakowski | Kacper Piorun | 1/2-1/2 | 15 | Open |
| 172 | 2025-09-20 | Szansa Open Rapid 2025 | Warsaw POL | 10.3 | Dawid Dobosiewicz | Jakub Kosakowski | 0-1 | 37 | Open |
| 173 | 2025-09-20 | Szansa Open Rapid 2025 | Warsaw POL | 1.1 | Jakub Kosakowski | Michal Wieckowski | 1-0 | 36 | Open |
| 174 | 2025-09-16 | Titled Tue 16th Sep 2025 | chess.com INT | 9 | Jan Gustafsson | Jakub Kosakowski | 1-0 | 53 | Open |
| 175 | 2025-09-16 | Titled Tue 16th Sep 2025 | chess.com INT | 8 | Jakub Kosakowski | Kacper Drozdowski | 0-1 | 35 | Open |
| 176 | 2025-09-16 | Titled Tue 16th Sep 2025 | chess.com INT | 7 | Jakub Kosakowski | Olexandr Bortnyk | 1-0 | 55 | Open |
| 177 | 2025-09-16 | Titled Tue 16th Sep 2025 | chess.com INT | 6 | Alexander Timerkhanov | Jakub Kosakowski | 0-1 | 22 | Open |
| 178 | 2025-09-16 | Titled Tue 16th Sep 2025 | chess.com INT | 5 | Jakub Kosakowski | Blazej Grot | 1-0 | 36 | Open |
| 179 | 2025-09-16 | Titled Tue 16th Sep 2025 | chess.com INT | 4 | Marcel Petersen | Jakub Kosakowski | 0-1 | 33 | Open |
| 180 | 2025-09-16 | Titled Tue 16th Sep 2025 | chess.com INT | 3 | Jakub Kosakowski | Vyom Malhotra | 1-0 | 20 | Open |
| 181 | 2025-09-16 | Titled Tue 16th Sep 2025 | chess.com INT | 2 | Jakub Kosakowski | Stanoje Jovic | 1/2-1/2 | 67 | Open |
| 182 | 2025-09-16 | Titled Tue 16th Sep 2025 | chess.com INT | 1 | Asman Bayantas | Jakub Kosakowski | 1-0 | 85 | Open |
| 183 | 2025-09-16 | Titled Tue 16th Sep 2025 | chess.com INT | 11 | Islam Hajialiyev | Jakub Kosakowski | 0-1 | 20 | Open |
| 184 | 2025-09-16 | Titled Tue 16th Sep 2025 | chess.com INT | 10 | Jakub Kosakowski | Leonid Starozhilov | 1-0 | 24 | Open |
| 185 | 2025-09-09 | Titled Tue 9th Sep 2025 | chess.com INT | 9 | Jakub Kosakowski | Renato Terry | 1-0 | 27 | Open |
| 186 | 2025-09-09 | Titled Tue 9th Sep 2025 | chess.com INT | 8 | Mohamed Ezat | Jakub Kosakowski | 0-1 | 35 | Open |
| 187 | 2025-09-09 | Titled Tue 9th Sep 2025 | chess.com INT | 7 | Jakub Kosakowski | Grigoriy Oparin | 0-1 | 33 | Open |
| 188 | 2025-09-09 | Titled Tue 9th Sep 2025 | chess.com INT | 6 | Leinier Dominguez Perez | Jakub Kosakowski | 1/2-1/2 | 42 | Open |
| 189 | 2025-09-09 | Titled Tue 9th Sep 2025 | chess.com INT | 5 | Nicodim-Cosmin Stepanencu | Jakub Kosakowski | 0-1 | 42 | Open |
| 190 | 2025-09-09 | Titled Tue 9th Sep 2025 | chess.com INT | 4 | Jakub Kosakowski | Nadya Toncheva | 1-0 | 34 | Open |
| 191 | 2025-09-09 | Titled Tue 9th Sep 2025 | chess.com INT | 3 | Andrey Esipenko | Jakub Kosakowski | 1-0 | 32 | Open |
| 192 | 2025-09-09 | Titled Tue 9th Sep 2025 | chess.com INT | 2 | Omer Akkara | Jakub Kosakowski | 0-1 | 43 | Open |
| 193 | 2025-09-09 | Titled Tue 9th Sep 2025 | chess.com INT | 1 | Jakub Kosakowski | Jozsef Matyas Herpai | 1-0 | 67 | Open |
| 194 | 2025-09-09 | Titled Tue 9th Sep 2025 | chess.com INT | 11 | Frederik Svane | Jakub Kosakowski | 0-1 | 54 | Open |
| 195 | 2025-09-09 | Titled Tue 9th Sep 2025 | chess.com INT | 10 | Jakub Kosakowski | Tuan Minh Le | 1-0 | 60 | Open |
| 196 | 2025-09-02 | Titled Tue 2nd Sep 2025 | chess.com INT | 9 | Rinat Jumabayev | Jakub Kosakowski | 1-0 | 54 | Open |
| 197 | 2025-09-02 | Titled Tue 2nd Sep 2025 | chess.com INT | 8 | Jakub Kosakowski | Rout Padmini | 1-0 | 56 | Open |
| 198 | 2025-09-02 | Titled Tue 2nd Sep 2025 | chess.com INT | 7 | Matthew J Wadsworth | Jakub Kosakowski | 0-1 | 40 | Open |
| 199 | 2025-09-02 | Titled Tue 2nd Sep 2025 | chess.com INT | 6 | Jakub Kosakowski | Benjamin Bok | 0-1 | 39 | Open |
| 200 | 2025-09-02 | Titled Tue 2nd Sep 2025 | chess.com INT | 5 | Jakub Kosakowski | Dang Anh Minh | 1-0 | 55 | Open |
| 201 | 2025-09-02 | Titled Tue 2nd Sep 2025 | chess.com INT | 4 | Giga Goderdzishvili | Jakub Kosakowski | 0-1 | 26 | Open |
| 202 | 2025-09-02 | Titled Tue 2nd Sep 2025 | chess.com INT | 3 | Jakub Kosakowski | Alireza Firouzja | 0-1 | 30 | Open |
| 203 | 2025-09-02 | Titled Tue 2nd Sep 2025 | chess.com INT | 2 | Jakub Kosakowski | Huseyin Said Deveci | 1-0 | 37 | Open |
| 204 | 2025-09-02 | Titled Tue 2nd Sep 2025 | chess.com INT | 1 | Maria Teresa Jimenez Salas | Jakub Kosakowski | 0-1 | 30 | Open |
| 205 | 2025-09-02 | Titled Tue 2nd Sep 2025 | chess.com INT | 11 | Jakub Kosakowski | Artem Bardyk | 1-0 | 36 | Open |
| 206 | 2025-09-02 | Titled Tue 2nd Sep 2025 | chess.com INT | 10 | Alexandr Fier | Jakub Kosakowski | 0-1 | 26 | Open |
| 207 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 9 | Emir Sharshenbekov | Jakub Kosakowski | 0-1 | 43 | Open |
| 208 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 8 | Jakub Kosakowski | Eric Rosen | 1/2-1/2 | 48 | Open |
| 209 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 7 | Alexandros Papasimakopoulos | Jakub Kosakowski | 1-0 | 57 | Open |
| 210 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 6 | Jakub Kosakowski | Piotr Brodowski | 1-0 | 40 | Open |
| 211 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 5 | Anatoly Moskvin | Jakub Kosakowski | 0-1 | 36 | Open |
| 212 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 4 | Simon Lamaze | Jakub Kosakowski | 1-0 | 44 | Open |
| 213 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 3 | Jakub Kosakowski | Duc Minh Lai | 1-0 | 67 | Open |
| 214 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 2 | Jude Shearsby | Jakub Kosakowski | 0-1 | 56 | Open |
| 215 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 1 | Jakub Kosakowski | Adam Gibala | 1/2-1/2 | 89 | Open |
| 216 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 11 | Islam Hajialiyev | Jakub Kosakowski | 1-0 | 35 | Open |
| 217 | 2025-08-26 | Titled Tue 26th Aug Early | chess.com INT | 10 | Jakub Kosakowski | Masruri Rahman | 0-1 | 63 | Open |
| 218 | 2025-08-19 | Titled Tue 19th Aug Late | chess.com INT | 9 | Adam Kozak | Jakub Kosakowski | 0-1 | 42 | Open |
| 219 | 2025-08-19 | Titled Tue 19th Aug Early | chess.com INT | 9 | Jakub Kosakowski | Alejandro Cuellar Montes | 1-0 | 33 | Open |
| 220 | 2025-08-19 | Titled Tue 19th Aug Early | chess.com INT | 8 | Sameer Loay | Jakub Kosakowski | 1-0 | 30 | Open |
| 221 | 2025-08-19 | Titled Tue 19th Aug Late | chess.com INT | 8 | Jakub Kosakowski | Tran Vo Quoc Bao | 1-0 | 55 | Open |
| 222 | 2025-08-19 | Titled Tue 19th Aug Late | chess.com INT | 7 | Teimur Toktomushev | Jakub Kosakowski | 0-1 | 31 | Open |
| 223 | 2025-08-19 | Titled Tue 19th Aug Early | chess.com INT | 7 | Jakub Kosakowski | Rhys Arnold | 1-0 | 27 | Open |
| 224 | 2025-08-19 | Titled Tue 19th Aug Early | chess.com INT | 6 | Mieszko Mis | Jakub Kosakowski | 1-0 | 42 | Open |
| 225 | 2025-08-19 | Titled Tue 19th Aug Late | chess.com INT | 6 | Jakub Kosakowski | Volodar Murzin | 0-1 | 50 | Open |
| 226 | 2025-08-19 | Titled Tue 19th Aug Late | chess.com INT | 5 | Jeffery Xiong | Jakub Kosakowski | 1-0 | 61 | Open |
| 227 | 2025-08-19 | Titled Tue 19th Aug Early | chess.com INT | 5 | Jakub Kosakowski | Das Suvradeepta | 1-0 | 24 | Open |
| 228 | 2025-08-19 | Titled Tue 19th Aug Late | chess.com INT | 4 | A.R. Saleh Salem | Jakub Kosakowski | 0-1 | 41 | Open |
| 229 | 2025-08-19 | Titled Tue 19th Aug Early | chess.com INT | 4 | Jakub Kosakowski | Jahandar Azadaliyev | 0-1 | 64 | Open |
| 230 | 2025-08-19 | Titled Tue 19th Aug Early | chess.com INT | 3 | Alexey Kukelko | Jakub Kosakowski | 1-0 | 42 | Open |
| 231 | 2025-08-19 | Titled Tue 19th Aug Late | chess.com INT | 3 | Jakub Kosakowski | Maurizio Brancaleoni | 1-0 | 29 | Open |
| 232 | 2025-08-19 | Titled Tue 19th Aug Late | chess.com INT | 2 | Jakub Kosakowski | Ward Al-Tarboush | 1-0 | 65 | Open |
| 233 | 2025-08-19 | Titled Tue 19th Aug Early | chess.com INT | 2 | Jakub Kosakowski | Alexander Reprintsev | 1-0 | 56 | Open |
| 234 | 2025-08-19 | Titled Tue 19th Aug Late | chess.com INT | 1 | Hasan Atis | Jakub Kosakowski | 0-1 | 56 | Open |
| 235 | 2025-08-19 | Titled Tue 19th Aug Early | chess.com INT | 1 | Valiantsin Yezhel | Jakub Kosakowski | 0-1 | 50 | Open |
| 236 | 2025-08-19 | Titled Tue 19th Aug Late | chess.com INT | 11 | Olexandr Bortnyk | Jakub Kosakowski | 1/2-1/2 | 67 | Open |
| 237 | 2025-08-19 | Titled Tue 19th Aug Early | chess.com INT | 11 | Henning Holinka | Jakub Kosakowski | 0-1 | 27 | Open |
| 238 | 2025-08-19 | Titled Tue 19th Aug Early | chess.com INT | 10 | Simon K Williams | Jakub Kosakowski | 0-1 | 25 | Open |
| 239 | 2025-08-19 | Titled Tue 19th Aug Late | chess.com INT | 10 | Jakub Kosakowski | Haowen Xue | 0-1 | 52 | Open |
| 240 | 2025-08-16 | IV Kingston Inv 2025 | Kingston Upon Thames ENG | 9.4 | Jakub Kosakowski | Graeme N Buckley | 1-0 | 34 | Open |
| 241 | 2025-08-15 | IV Kingston Inv 2025 | Kingston Upon Thames ENG | 8.2 | Peter D Lalic | Jakub Kosakowski | 1/2-1/2 | 15 | Open |
| 242 | 2025-08-15 | IV Kingston Inv 2025 | Kingston Upon Thames ENG | 7.5 | Jakub Kosakowski | Liwia Jarocka | 1-0 | 31 | Open |
| 243 | 2025-08-14 | IV Kingston Inv 2025 | Kingston Upon Thames ENG | 6.1 | Adam A Taylor | Jakub Kosakowski | 1/2-1/2 | 15 | Open |
| 244 | 2025-08-14 | IV Kingston Inv 2025 | Kingston Upon Thames ENG | 5.5 | Peter G Large | Jakub Kosakowski | 0-1 | 64 | Open |
| 245 | 2025-08-13 | IV Kingston Inv 2025 | Kingston Upon Thames ENG | 4.2 | Jakub Kosakowski | Ivan Valles Moreno | 1-0 | 22 | Open |
| 246 | 2025-08-13 | IV Kingston Inv 2025 | Kingston Upon Thames ENG | 3.4 | Roland Bezuidenhout | Jakub Kosakowski | 1/2-1/2 | 19 | Open |
| 247 | 2025-08-12 | IV Kingston Inv 2025 | Kingston Upon Thames ENG | 2.3 | Jakub Kosakowski | Supratit Banerjee | 1-0 | 33 | Open |
| 248 | 2025-08-12 | IV Kingston Inv 2025 | Kingston Upon Thames ENG | 1.3 | David Henry Maycock Bates | Jakub Kosakowski | 0-1 | 35 | Open |
| 249 | 2025-08-07 | 9th Irena Warakomska Mem | Suwalki POL | 9.1 | Bartosz Socko | Jakub Kosakowski | 1/2-1/2 | 43 | Open |
| 250 | 2025-08-06 | 9th Irena Warakomska Mem | Suwalki POL | 8.1 | Jakub Kosakowski | Pawel Sowinski | 1/2-1/2 | 33 | Open |
| 251 | 2025-08-05 | 9th Irena Warakomska Mem | Suwalki POL | 7.1 | Igor Janik | Jakub Kosakowski | 0-1 | 30 | Open |
| 252 | 2025-08-04 | 9th Irena Warakomska Mem | Suwalki POL | 6.2 | Jakub Kosakowski | Piotr Dobrowolski | 1-0 | 53 | Open |
| 253 | 2025-08-03 | 9th Irena Warakomska Mem | Suwalki POL | 5.2 | Aras Vardanyan | Jakub Kosakowski | 1/2-1/2 | 35 | Open |
| 254 | 2025-08-02 | 9th Irena Warakomska Mem | Suwalki POL | 4.2 | Jakub Kosakowski | Wiktor Reterski | 1-0 | 41 | Open |
| 255 | 2025-08-02 | 9th Irena Warakomska Mem | Suwalki POL | 3.7 | Sigitas Kalvaitis | Jakub Kosakowski | 0-1 | 39 | Open |
| 256 | 2025-07-31 | 9th Irena Warakomska Mem | Suwalki POL | 1.2 | Jakub Kosakowski | Filip Krynicki | 1-0 | 33 | Open |
| 257 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 9 | Jakub Kosakowski | Tuan Minh Le | 0-1 | 42 | Open |
| 258 | 2025-07-29 | Titled Tue 29th Jul Late | chess.com INT | 9 | Georgijs Germanovs | Jakub Kosakowski | 1-0 | 47 | Open |
| 259 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 8 | Jakub Kosakowski | Dmitry Andreikin | 1/2-1/2 | 74 | Open |
| 260 | 2025-07-29 | Titled Tue 29th Jul Late | chess.com INT | 8 | Jakub Kosakowski | Bryan Enming Lin | 1-0 | 50 | Open |
| 261 | 2025-07-29 | Titled Tue 29th Jul Late | chess.com INT | 7 | Artem Dyachuk | Jakub Kosakowski | 1-0 | 53 | Open |
| 262 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 7 | Kalyani Sirin | Jakub Kosakowski | 0-1 | 34 | Open |
| 263 | 2025-07-29 | Titled Tue 29th Jul Late | chess.com INT | 6 | Julian Proleiko | Jakub Kosakowski | 0-1 | 27 | Open |
| 264 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 6 | Kevin George | Jakub Kosakowski | 0-1 | 36 | Open |
| 265 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 5 | Jakub Kosakowski | Nikolai Vlassov | 1-0 | 37 | Open |
| 266 | 2025-07-29 | Titled Tue 29th Jul Late | chess.com INT | 5 | Jakub Kosakowski | Eric Zhang | 1-0 | 25 | Open |
| 267 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 4 | Savitha Shri B | Jakub Kosakowski | 0-1 | 40 | Open |
| 268 | 2025-07-29 | Titled Tue 29th Jul Late | chess.com INT | 4 | Matthias Dann | Jakub Kosakowski | 1-0 | 62 | Open |
| 269 | 2025-07-29 | Titled Tue 29th Jul Late | chess.com INT | 3 | Jakub Kosakowski | Nikita An. Kalinin | 1-0 | 37 | Open |
| 270 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 3 | Jakub Kosakowski | Maka Purtseladze | 1-0 | 40 | Open |
| 271 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 2 | Ward Al-Tarboush | Jakub Kosakowski | 1-0 | 21 | Open |
| 272 | 2025-07-29 | Titled Tue 29th Jul Late | chess.com INT | 2 | Dawid Janaszak | Jakub Kosakowski | 0-1 | 24 | Open |
| 273 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 1 | Jakub Kosakowski | Emre Mecit | 1-0 | 42 | Open |
| 274 | 2025-07-29 | Titled Tue 29th Jul Late | chess.com INT | 1 | Jakub Kosakowski | Jonathan Pein | 1-0 | 41 | Open |
| 275 | 2025-07-29 | Titled Tue 29th Jul Late | chess.com INT | 11 | David Paravyan | Jakub Kosakowski | 1-0 | 49 | Open |
| 276 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 11 | Jakub Kosakowski | Alexey Sarana | 1-0 | 30 | Open |
| 277 | 2025-07-29 | Titled Tue 29th Jul Early | chess.com INT | 10 | Simon Thorhallsson | Jakub Kosakowski | 0-1 | 27 | Open |
| 278 | 2025-07-29 | Titled Tue 29th Jul Late | chess.com INT | 10 | Jakub Kosakowski | Krikor Sevag Mekhitarian | 1-0 | 80 | Open |
| 279 | 2025-07-22 | Titled Tue 22nd Jul Late | chess.com INT | 9 | Sina Movahed | Jakub Kosakowski | 1-0 | 40 | Open |
| 280 | 2025-07-22 | Titled Tue 22nd Jul Early | chess.com INT | 9 | Tuan Minh Le | Jakub Kosakowski | 1-0 | 21 | Open |
| 281 | 2025-07-22 | Titled Tue 22nd Jul Late | chess.com INT | 8 | Henry Deng | Jakub Kosakowski | 0-1 | 40 | Open |
| 282 | 2025-07-22 | Titled Tue 22nd Jul Early | chess.com INT | 8 | Jakub Kosakowski | Vahap Sanal | 1-0 | 49 | Open |
| 283 | 2025-07-22 | Titled Tue 22nd Jul Late | chess.com INT | 7 | Jakub Kosakowski | Daniel Naroditsky | 0-1 | 42 | Open |
| 284 | 2025-07-22 | Titled Tue 22nd Jul Early | chess.com INT | 7 | Jakub Kosakowski | Faustino Oro | 1-0 | 30 | Open |
| 285 | 2025-07-22 | Titled Tue 22nd Jul Early | chess.com INT | 6 | Jeffery Xiong | Jakub Kosakowski | 1/2-1/2 | 38 | Open |
| 286 | 2025-07-22 | Titled Tue 22nd Jul Late | chess.com INT | 6 | Jakub Kosakowski | Sanan Sjugirov | 0-1 | 55 | Open |
| 287 | 2025-07-22 | Titled Tue 22nd Jul Early | chess.com INT | 5 | Eivind Grunt Kreken | Jakub Kosakowski | 0-1 | 37 | Open |
| 288 | 2025-07-22 | Titled Tue 22nd Jul Late | chess.com INT | 5 | Dmitrij Kollars | Jakub Kosakowski | 0-1 | 75 | Open |
| 289 | 2025-07-22 | Titled Tue 22nd Jul Early | chess.com INT | 4 | Jakub Kosakowski | Narayan Venkatesh | 1-0 | 20 | Open |
| 290 | 2025-07-22 | Titled Tue 22nd Jul Late | chess.com INT | 4 | Jakub Kosakowski | Jan-Krzysztof Duda | 1-0 | 32 | Open |
| 291 | 2025-07-22 | Titled Tue 22nd Jul Early | chess.com INT | 3 | Alexey Kislinsky | Jakub Kosakowski | 1/2-1/2 | 70 | Open |
| 292 | 2025-07-22 | Titled Tue 22nd Jul Late | chess.com INT | 3 | Teodor-Cosmin Nedelcu | Jakub Kosakowski | 0-1 | 49 | Open |
| 293 | 2025-07-22 | Titled Tue 22nd Jul Late | chess.com INT | 2 | Jakub Kosakowski | Kamil Warchol | 1-0 | 28 | Open |
| 294 | 2025-07-22 | Titled Tue 22nd Jul Early | chess.com INT | 2 | Jakub Kosakowski | Simon Max Skembris | 1-0 | 63 | Open |
| 295 | 2025-07-22 | Titled Tue 22nd Jul Late | chess.com INT | 1 | Maksim Omariev | Jakub Kosakowski | 0-1 | 13 | Open |
| 296 | 2025-07-22 | Titled Tue 22nd Jul Early | chess.com INT | 1 | Rushan Bogaudinov | Jakub Kosakowski | 1/2-1/2 | 37 | Open |
| 297 | 2025-07-22 | Titled Tue 22nd Jul Late | chess.com INT | 11 | Eric Rosen | Jakub Kosakowski | 0-1 | 36 | Open |
| 298 | 2025-07-22 | Titled Tue 22nd Jul Early | chess.com INT | 11 | Jakub Kosakowski | Nodar Lortkipanidze | 0-1 | 47 | Open |
| 299 | 2025-07-22 | Titled Tue 22nd Jul Early | chess.com INT | 10 | Jose Carlos Ibarra Jerez | Jakub Kosakowski | 0-1 | 28 | Open |
| 300 | 2025-07-22 | Titled Tue 22nd Jul Late | chess.com INT | 10 | Jakub Kosakowski | Miloje Ratkovic | 1/2-1/2 | 70 | Open |
| 301 | 2025-07-15 | Titled Tue 15th Jul Early | chess.com INT | 9 | Jakub Kosakowski | Lisandro Fernandez Reyes | 0-1 | 43 | Open |
| 302 | 2025-07-15 | Titled Tue 15th Jul Late | chess.com INT | 9 | Jakub Kosakowski | Dmitrij Kollars | 0-1 | 27 | Open |
| 303 | 2025-07-15 | Titled Tue 15th Jul Early | chess.com INT | 8 | Sergei Iskusnyh | Jakub Kosakowski | 1-0 | 35 | Open |
| 304 | 2025-07-15 | Titled Tue 15th Jul Late | chess.com INT | 8 | Orkhan Eminov | Jakub Kosakowski | 0-1 | 47 | Open |
| 305 | 2025-07-15 | Titled Tue 15th Jul Early | chess.com INT | 7 | Jakub Kosakowski | Ivan Yeletsky | 0-1 | 24 | Open |
| 306 | 2025-07-15 | Titled Tue 15th Jul Late | chess.com INT | 7 | Jakub Kosakowski | Maximilian Mostbauer | 1-0 | 48 | Open |
| 307 | 2025-07-15 | Titled Tue 15th Jul Late | chess.com INT | 6 | Matthias Bluebaum | Jakub Kosakowski | 1-0 | 40 | Open |
| 308 | 2025-07-15 | Titled Tue 15th Jul Early | chess.com INT | 6 | Jakub Kosakowski | Nicolas Perossa | 1-0 | 52 | Open |
| 309 | 2025-07-15 | Titled Tue 15th Jul Early | chess.com INT | 5 | Andrei Negrean | Jakub Kosakowski | 0-1 | 57 | Open |
| 310 | 2025-07-15 | Titled Tue 15th Jul Late | chess.com INT | 5 | Jakub Kosakowski | Ilya Chekletsov | 1-0 | 50 | Open |
| 311 | 2025-07-15 | Titled Tue 15th Jul Late | chess.com INT | 4 | Valter Gyurjinyan | Jakub Kosakowski | 0-1 | 63 | Open |
| 312 | 2025-07-15 | Titled Tue 15th Jul Early | chess.com INT | 4 | Jakub Kosakowski | Alexander Herbrig | 1/2-1/2 | 61 | Open |
| 313 | 2025-07-15 | Titled Tue 15th Jul Early | chess.com INT | 3 | Vladimir Goncharov | Jakub Kosakowski | 0-1 | 51 | Open |
| 314 | 2025-07-15 | Titled Tue 15th Jul Late | chess.com INT | 3 | Jakub Kosakowski | Parham Maghsoodloo | 0-1 | 42 | Open |
| 315 | 2025-07-15 | Titled Tue 15th Jul Late | chess.com INT | 2 | Chitre Arush | Jakub Kosakowski | 0-1 | 30 | Open |
| 316 | 2025-07-15 | Titled Tue 15th Jul Early | chess.com INT | 2 | Jakub Kosakowski | Bojan Todorovic | 1-0 | 42 | Open |
| 317 | 2025-07-15 | Titled Tue 15th Jul Late | chess.com INT | 1 | Jakub Kosakowski | Raphael Felix | 1-0 | 18 | Open |
| 318 | 2025-07-15 | Titled Tue 15th Jul Early | chess.com INT | 1 | Harold Wanyama | Jakub Kosakowski | 1-0 | 37 | Open |
| 319 | 2025-07-15 | Titled Tue 15th Jul Late | chess.com INT | 11 | Alexey Kislinsky | Jakub Kosakowski | 0-1 | 28 | Open |
| 320 | 2025-07-15 | Titled Tue 15th Jul Early | chess.com INT | 11 | Jakub Kosakowski | Oleksii Nakonechnyi | 1/2-1/2 | 66 | Open |
| 321 | 2025-07-15 | Titled Tue 15th Jul Early | chess.com INT | 10 | Alexander Devaev | Jakub Kosakowski | 0-1 | 31 | Open |
| 322 | 2025-07-15 | Titled Tue 15th Jul Late | chess.com INT | 10 | Jakub Kosakowski | Shaaketh Sivakumar | 0-1 | 30 | Open |
| 323 | 2025-07-07 | Jana Maciei Mem 2025 | Warsaw POL | 9.7 | Jakub Kosakowski | Michal Krasenkow | 1-0 | 42 | Open |
| 324 | 2025-07-07 | Jana Maciei Mem 2025 | Warsaw POL | 8.1 | Valery Kazakouski | Jakub Kosakowski | 1-0 | 34 | Open |
| 325 | 2025-07-07 | Jana Maciei Mem 2025 | Warsaw POL | 7.4 | Jonasz Baum | Jakub Kosakowski | 0-1 | 32 | Open |
| 326 | 2025-07-07 | Jana Maciei Mem 2025 | Warsaw POL | 6.2 | Jakub Kosakowski | Volodymyr Vetoshko | 1/2-1/2 | 17 | Open |
| 327 | 2025-07-07 | Jana Maciei Mem 2025 | Warsaw POL | 5.2 | Jakub Kosakowski | Vladimir Hamitevici | 1/2-1/2 | 64 | Open |
| 328 | 2025-07-07 | Jana Maciei Mem 2025 | Warsaw POL | 4.5 | Jakub Suder | Jakub Kosakowski | 0-1 | 71 | Open |
| 329 | 2025-07-07 | Jana Maciei Mem 2025 | Warsaw POL | 3.1 | Jakub Kosakowski | Chitre Arush | 1-0 | 53 | Open |
| 330 | 2025-07-07 | Jana Maciei Mem 2025 | Warsaw POL | 2.4 | Michalina Rudzinska | Jakub Kosakowski | 1/2-1/2 | 66 | Open |
| 331 | 2025-07-07 | Jana Maciei Mem 2025 | Warsaw POL | 11.3 | Jakub Kosakowski | Xinyang Nie | 1-0 | 35 | Open |
| 332 | 2025-07-07 | Jana Maciei Mem 2025 | Warsaw POL | 10.4 | Daniel Howard Fernandez | Jakub Kosakowski | 0-1 | 23 | Open |
| 333 | 2025-07-07 | Jana Maciei Mem 2025 | Warsaw POL | 1.5 | Jakub Kosakowski | Filip Klim | 1-0 | 29 | Open |
| 334 | 2025-07-06 | Grand Hotel Kielce Open | Kiel GER | 9.2 | Jha Sriram | Jakub Kosakowski | 1/2-1/2 | 11 | Open |
| 335 | 2025-07-05 | Grand Hotel Kielce Open | Kiel GER | 8.2 | Jakub Kosakowski | Jadranko Plenca | 1/2-1/2 | 41 | Open |
| 336 | 2025-07-04 | Grand Hotel Kielce Open | Kiel GER | 7.2 | Oleksandr Yurovskykh | Jakub Kosakowski | 1/2-1/2 | 29 | Open |
| 337 | 2025-07-03 | Grand Hotel Kielce Open | Kiel GER | 6.1 | Jakub Kosakowski | Vladimir Hamitevici | 1/2-1/2 | 17 | Open |
| 338 | 2025-07-03 | Grand Hotel Kielce Open | Kiel GER | 5.2 | Marcin Sieciechowicz | Jakub Kosakowski | 0-1 | 42 | Open |
| 339 | 2025-07-02 | Grand Hotel Kielce Open | Kiel GER | 4.5 | Jakub Kosakowski | Jan Golecki | 1-0 | 35 | Open |
| 340 | 2025-07-01 | Grand Hotel Kielce Open | Kiel GER | 3.4 | Rosh Jain | Jakub Kosakowski | 1/2-1/2 | 21 | Open |
| 341 | 2025-07-01 | Grand Hotel Kielce Open | Kiel GER | 2.1 | Jakub Kosakowski | Raghav V | 1/2-1/2 | 39 | Open |
| 342 | 2025-06-30 | Grand Hotel Kielce Open | Kiel GER | 1.1 | Piotr Brzezina | Jakub Kosakowski | 0-1 | 51 | Open |
| 343 | 2025-06-17 | Titled Tue 17th Jun Early | chess.com INT | 9 | Omer Akkara | Jakub Kosakowski | 0-1 | 45 | Open |
| 344 | 2025-06-17 | Titled Tue 17th Jun Late | chess.com INT | 9 | Jakub Kosakowski | Anastasia Avramidou | 1-0 | 36 | Open |
| 345 | 2025-06-17 | Titled Tue 17th Jun Late | chess.com INT | 8 | Alberto Barp | Jakub Kosakowski | 0-1 | 37 | Open |
| 346 | 2025-06-17 | Titled Tue 17th Jun Early | chess.com INT | 8 | Flawian Krawczyk | Jakub Kosakowski | 1/2-1/2 | 90 | Open |
| 347 | 2025-06-17 | Titled Tue 17th Jun Late | chess.com INT | 7 | Jakub Kosakowski | Flawian Krawczyk | 1-0 | 33 | Open |
| 348 | 2025-06-17 | Titled Tue 17th Jun Early | chess.com INT | 7 | Jakub Kosakowski | Igor Kovalenko | 0-1 | 51 | Open |
| 349 | 2025-06-17 | Titled Tue 17th Jun Late | chess.com INT | 6 | Rafail Antoniou | Jakub Kosakowski | 0-1 | 63 | Open |
| 350 | 2025-06-17 | Titled Tue 17th Jun Early | chess.com INT | 6 | Jakub Kosakowski | Cristian Sanhueza | 1-0 | 42 | Open |
| 351 | 2025-06-17 | Titled Tue 17th Jun Early | chess.com INT | 5 | Ali Elier | Jakub Kosakowski | 1/2-1/2 | 54 | Open |
| 352 | 2025-06-17 | Titled Tue 17th Jun Late | chess.com INT | 5 | Jakub Kosakowski | Mohamed Haddouche | 0-1 | 27 | Open |
| 353 | 2025-06-17 | Titled Tue 17th Jun Late | chess.com INT | 4 | Alexey Sarana | Jakub Kosakowski | 1-0 | 34 | Open |
| 354 | 2025-06-17 | Titled Tue 17th Jun Early | chess.com INT | 4 | Bogdan-Daniel Deac | Jakub Kosakowski | 1/2-1/2 | 86 | Open |
| 355 | 2025-06-17 | Titled Tue 17th Jun Late | chess.com INT | 3 | Jakub Kosakowski | Adrian Martinez Fernandez | 1-0 | 41 | Open |
| 356 | 2025-06-17 | Titled Tue 17th Jun Early | chess.com INT | 3 | Jakub Kosakowski | Le Thao Nguyen Pham | 1-0 | 27 | Open |
| 357 | 2025-06-17 | Titled Tue 17th Jun Early | chess.com INT | 2 | Lev Shangin | Jakub Kosakowski | 0-1 | 34 | Open |
| 358 | 2025-06-17 | Titled Tue 17th Jun Late | chess.com INT | 2 | Lovro Novosel | Jakub Kosakowski | 0-1 | 31 | Open |
| 359 | 2025-06-17 | Titled Tue 17th Jun Early | chess.com INT | 1 | Jakub Kosakowski | Jonathan Bodemar | 1-0 | 56 | Open |
| 360 | 2025-06-17 | Titled Tue 17th Jun Late | chess.com INT | 1 | Jakub Kosakowski | Alexander Jasinski | 1-0 | 38 | Open |
| 361 | 2025-06-17 | Titled Tue 17th Jun Late | chess.com INT | 11 | Nikita Shandrygin | Jakub Kosakowski | 0-1 | 37 | Open |
| 362 | 2025-06-17 | Titled Tue 17th Jun Early | chess.com INT | 11 | Krikor Sevag Mekhitarian | Jakub Kosakowski | 0-1 | 38 | Open |
| 363 | 2025-06-17 | Titled Tue 17th Jun Late | chess.com INT | 10 | Jakub Kosakowski | A.R. Saleh Salem | 0-1 | 48 | Open |
| 364 | 2025-06-17 | Titled Tue 17th Jun Early | chess.com INT | 10 | Jakub Kosakowski | Nils Grandelius | 1/2-1/2 | 63 | Open |
| 365 | 2025-06-10 | TCh-POL Ekstraliga 2025 | Chotowa POL | 9.5 | Jakub Kosakowski | Pawel Sowinski | 1/2-1/2 | 18 | Open |
| 366 | 2025-06-09 | TCh-POL Ekstraliga 2025 | Chotowa POL | 8.5 | Sebastian Poltorak | Jakub Kosakowski | 1/2-1/2 | 15 | Open |
| 367 | 2025-06-08 | TCh-POL Ekstraliga 2025 | Chotowa POL | 7.5 | Jakub Kosakowski | Jan Golecki | 1/2-1/2 | 38 | Open |
| 368 | 2025-06-07 | TCh-POL Ekstraliga 2025 | Chotowa POL | 6.5 | Aleksander Hnydiuk | Jakub Kosakowski | 0-1 | 62 | Open |
| 369 | 2025-06-06 | TCh-POL Ekstraliga 2025 | Chotowa POL | 5.5 | Jakub Kosakowski | Jakub Seemann | 1-0 | 45 | Open |
| 370 | 2025-06-05 | TCh-POL Ekstraliga 2025 | Chotowa POL | 4.5 | Maciej Klekowski | Jakub Kosakowski | 1/2-1/2 | 53 | Open |
| 371 | 2025-06-04 | TCh-POL Ekstraliga 2025 | Chotowa POL | 3.5 | Jakub Kosakowski | Michal Koziorowicz | 1-0 | 38 | Open |
| 372 | 2025-06-03 | TCh-POL Ekstraliga 2025 | Chotowa POL | 2.5 | Ferenc Berkes | Jakub Kosakowski | 1/2-1/2 | 24 | Open |
| 373 | 2025-06-02 | TCh-POL Ekstraliga 2025 | Chotowa POL | 1.29 | Michal Bartel | Jakub Kosakowski | 0-1 | 63 | Open |
| 374 | 2025-05-27 | Titled Tue 27th May Late | chess.com INT | 9 | Sanan Sjugirov | Jakub Kosakowski | 1-0 | 12 | Open |
| 375 | 2025-05-27 | Titled Tue 27th May Early | chess.com INT | 9 | Oleksii Karvatskyi | Jakub Kosakowski | 0-1 | 42 | Open |
| 376 | 2025-05-27 | Titled Tue 27th May Late | chess.com INT | 8 | Jakub Kosakowski | Alberto Martin Fuentes | 1-0 | 28 | Open |
| 377 | 2025-05-27 | Titled Tue 27th May Early | chess.com INT | 8 | Jakub Kosakowski | Teimur Toktomushev | 0-1 | 49 | Open |
| 378 | 2025-05-27 | Titled Tue 27th May Early | chess.com INT | 7 | Dmitriy Kushko | Jakub Kosakowski | 1-0 | 76 | Open |
| 379 | 2025-05-27 | Titled Tue 27th May Late | chess.com INT | 7 | Jakub Kosakowski | Marat Denishev | 1-0 | 18 | Open |
| 380 | 2025-05-27 | Titled Tue 27th May Early | chess.com INT | 6 | Jan Vykouk | Jakub Kosakowski | 0-1 | 47 | Open |
| 381 | 2025-05-27 | Titled Tue 27th May Late | chess.com INT | 6 | Felix Kuznetsov | Jakub Kosakowski | 0-1 | 19 | Open |
| 382 | 2025-05-27 | Titled Tue 27th May Late | chess.com INT | 5 | Jiner Zhu | Jakub Kosakowski | 1-0 | 36 | Open |
| 383 | 2025-05-27 | Titled Tue 27th May Early | chess.com INT | 5 | Jakub Kosakowski | Iren Lyutsinger | 1-0 | 58 | Open |
| 384 | 2025-05-27 | Titled Tue 27th May Early | chess.com INT | 4 | Blaz Bratovic | Jakub Kosakowski | 0-1 | 40 | Open |
| 385 | 2025-05-27 | Titled Tue 27th May Late | chess.com INT | 4 | Jakub Kosakowski | Frederik Svane | 0-1 | 51 | Open |
| 386 | 2025-05-27 | Titled Tue 27th May Late | chess.com INT | 3 | Robert Ernst | Jakub Kosakowski | 0-1 | 25 | Open |
| 387 | 2025-05-27 | Titled Tue 27th May Early | chess.com INT | 3 | Jakub Kosakowski | Vladimir Burmakin | 0-1 | 48 | Open |
| 388 | 2025-05-27 | Titled Tue 27th May Early | chess.com INT | 2 | Blazej Grot | Jakub Kosakowski | 1/2-1/2 | 40 | Open |
| 389 | 2025-05-27 | Titled Tue 27th May Late | chess.com INT | 2 | Jakub Kosakowski | Can Ertan | 1-0 | 35 | Open |
| 390 | 2025-05-27 | Titled Tue 27th May Early | chess.com INT | 1 | Jakub Kosakowski | Mikkel Manosri Jacobsen | 1-0 | 15 | Open |
| 391 | 2025-05-27 | Titled Tue 27th May Late | chess.com INT | 1 | Ruben Mashal | Jakub Kosakowski | 0-1 | 0 | Open |
| 392 | 2025-05-27 | Titled Tue 27th May Early | chess.com INT | 11 | Jose Felix Calvo Gonzalez | Jakub Kosakowski | 1/2-1/2 | 46 | Open |
| 393 | 2025-05-27 | Titled Tue 27th May Late | chess.com INT | 11 | Marko Fadi | Jakub Kosakowski | 0-1 | 82 | Open |
| 394 | 2025-05-27 | Titled Tue 27th May Early | chess.com INT | 10 | Jakub Kosakowski | Oleksii Nakonechnyi | 0-1 | 38 | Open |
| 395 | 2025-05-27 | Titled Tue 27th May Late | chess.com INT | 10 | Jakub Kosakowski | Semyon Puzyrevsky | 0-1 | 46 | Open |
| 396 | 2025-05-20 | Titled Tue 20th May Late | chess.com INT | 9 | Alexander Velikanov | Jakub Kosakowski | 0-1 | 33 | Open |
| 397 | 2025-05-20 | Titled Tue 20th May Early | chess.com INT | 9 | Jakub Kosakowski | Varun Krishnan | 1-0 | 35 | Open |
| 398 | 2025-05-20 | Titled Tue 20th May Early | chess.com INT | 8 | Zhamsaran Tsydypov | Jakub Kosakowski | 0-1 | 44 | Open |
| 399 | 2025-05-20 | Titled Tue 20th May Late | chess.com INT | 8 | Jakub Kosakowski | Chen Zou | 0-1 | 49 | Open |
| 400 | 2025-05-20 | Titled Tue 20th May Early | chess.com INT | 7 | Jakub Kosakowski | Daniel Barria Zuniga | 1-0 | 22 | Open |
| 401 | 2025-05-20 | Titled Tue 20th May Late | chess.com INT | 7 | Jakub Kosakowski | Abhimanyu Mishra | 0-1 | 36 | Open |
| 402 | 2025-05-20 | Titled Tue 20th May Late | chess.com INT | 6 | Tor Fredrik Kaasen | Jakub Kosakowski | 0-1 | 47 | Open |
| 403 | 2025-05-20 | Titled Tue 20th May Early | chess.com INT | 6 | Jakub Kosakowski | Polina Shuvalova | 1-0 | 36 | Open |
| 404 | 2025-05-20 | Titled Tue 20th May Late | chess.com INT | 5 | Levy Rozman | Jakub Kosakowski | 0-1 | 37 | Open |
| 405 | 2025-05-20 | Titled Tue 20th May Early | chess.com INT | 5 | Benjamin Bok | Jakub Kosakowski | 1-0 | 39 | Open |
| 406 | 2025-05-20 | Titled Tue 20th May Late | chess.com INT | 4 | Jakub Kosakowski | Javier Habans Aguerrea | 0-1 | 43 | Open |
| 407 | 2025-05-20 | Titled Tue 20th May Early | chess.com INT | 4 | Hugo Spangenberg | Jakub Kosakowski | 0-1 | 39 | Open |
| 408 | 2025-05-20 | Titled Tue 20th May Late | chess.com INT | 3 | Ryan Amburgy | Jakub Kosakowski | 0-1 | 34 | Open |
| 409 | 2025-05-20 | Titled Tue 20th May Early | chess.com INT | 3 | Jakub Kosakowski | Anastasia Avramidou | 1-0 | 53 | Open |
| 410 | 2025-05-20 | Titled Tue 20th May Early | chess.com INT | 2 | Andrei Ioan Trifan | Jakub Kosakowski | 0-1 | 34 | Open |
| 411 | 2025-05-20 | Titled Tue 20th May Late | chess.com INT | 2 | Jakub Kosakowski | Asish Panda | 1-0 | 25 | Open |
| 412 | 2025-05-20 | Titled Tue 20th May Late | chess.com INT | 1 | Nguyen Hong Nhung | Jakub Kosakowski | 0-1 | 74 | Open |
| 413 | 2025-05-20 | Titled Tue 20th May Early | chess.com INT | 1 | Jakub Kosakowski | Andre Bold | 1-0 | 66 | Open |
| 414 | 2025-05-20 | Titled Tue 20th May Late | chess.com INT | 11 | Nodar Lortkipanidze | Jakub Kosakowski | 0-1 | 35 | Open |
| 415 | 2025-05-20 | Titled Tue 20th May Early | chess.com INT | 11 | Jakub Kosakowski | Quang Liem Le | 1-0 | 40 | Open |
| 416 | 2025-05-20 | Titled Tue 20th May Early | chess.com INT | 10 | Dmitry Andreikin | Jakub Kosakowski | 1-0 | 30 | Open |
| 417 | 2025-05-20 | Titled Tue 20th May Late | chess.com INT | 10 | Jakub Kosakowski | Stanislav Bukreev | 1-0 | 35 | Open |
| 418 | 2025-05-15 | 82nd PGE ch-POL TB 2025 | Krakow POL | 2 | Pawel Teclaf | Jakub Kosakowski | 1-0 | 74 | Open |
| 419 | 2025-05-15 | 82nd PGE ch-POL TB 2025 | Krakow POL | 1 | Jakub Kosakowski | Pawel Teclaf | 1/2-1/2 | 30 | Open |
| 420 | 2025-05-14 | 82nd PGE ch-POL 2025 | Krakow POL | 9.1 | Jakub Kosakowski | Radoslaw Wojtaszek | 1/2-1/2 | 30 | Open |
| 421 | 2025-05-13 | 82nd PGE ch-POL 2025 | Krakow POL | 8.1 | Szymon Gumularz | Jakub Kosakowski | 0-1 | 39 | Open |
| 422 | 2025-05-12 | 82nd PGE ch-POL 2025 | Krakow POL | 7.5 | Jakub Kosakowski | Wojciech Moranda | 1-0 | 39 | Open |
| 423 | 2025-05-11 | 82nd PGE ch-POL 2025 | Krakow POL | 6.5 | Bartlomiej Heberla | Jakub Kosakowski | 0-1 | 69 | Open |
| 424 | 2025-05-10 | 82nd PGE ch-POL 2025 | Krakow POL | 5.3 | Jakub Kosakowski | Filip Luczak | 1-0 | 47 | Open |
| 425 | 2025-05-09 | 82nd PGE ch-POL 2025 | Krakow POL | 4.2 | Jacek Tomczak | Jakub Kosakowski | 1/2-1/2 | 49 | Open |
| 426 | 2025-05-08 | 82nd PGE ch-POL 2025 | Krakow POL | 3.3 | Jakub Kosakowski | Mateusz Bartel | 1/2-1/2 | 43 | Open |
| 427 | 2025-05-07 | 82nd PGE ch-POL 2025 | Krakow POL | 2.3 | Kacper Piorun | Jakub Kosakowski | 1/2-1/2 | 30 | Open |
| 428 | 2025-05-06 | 82nd PGE ch-POL 2025 | Krakow POL | 1.4 | Jakub Kosakowski | Pawel Teclaf | 0-1 | 65 | Open |
| 429 | 2025-04-29 | Titled Tue 29th Apr Early | chess.com INT | 9 | Georgios Souleidis | Jakub Kosakowski | 1/2-1/2 | 80 | Open |
| 430 | 2025-04-29 | Titled Tue 29th Apr Late | chess.com INT | 9 | Mark Timmermans | Jakub Kosakowski | 1-0 | 58 | Open |
| 431 | 2025-04-29 | Titled Tue 29th Apr Early | chess.com INT | 8 | Jakub Kosakowski | Teimur Toktomushev | 1-0 | 25 | Open |
| 432 | 2025-04-29 | Titled Tue 29th Apr Late | chess.com INT | 8 | Jakub Kosakowski | Benjamin Bok | 0-1 | 55 | Open |
| 433 | 2025-04-29 | Titled Tue 29th Apr Early | chess.com INT | 7 | Yagiz Kaan Erdogmus | Jakub Kosakowski | 1-0 | 49 | Open |
| 434 | 2025-04-29 | Titled Tue 29th Apr Late | chess.com INT | 7 | Alexey Sarana | Jakub Kosakowski | 0-1 | 39 | Open |
| 435 | 2025-04-29 | Titled Tue 29th Apr Early | chess.com INT | 6 | Ian Nepomniachtchi | Jakub Kosakowski | 1-0 | 50 | Open |
| 436 | 2025-04-29 | Titled Tue 29th Apr Late | chess.com INT | 6 | Samuel Sevian | Jakub Kosakowski | 1/2-1/2 | 38 | Open |
| 437 | 2025-04-29 | Titled Tue 29th Apr Late | chess.com INT | 5 | Jakub Kosakowski | Jose Eduardo Martinez Alcantara | 0-1 | 55 | Open |
| 438 | 2025-04-29 | Titled Tue 29th Apr Early | chess.com INT | 5 | Jakub Kosakowski | Daniel Naroditsky | 1-0 | 71 | Open |
| 439 | 2025-04-29 | Titled Tue 29th Apr Early | chess.com INT | 4 | Jakub Kosakowski | Eric Rosen | 1-0 | 47 | Open |
| 440 | 2025-04-29 | Titled Tue 29th Apr Late | chess.com INT | 4 | Jakub Kosakowski | Olexandr Bortnyk | 1-0 | 45 | Open |
| 441 | 2025-04-29 | Titled Tue 29th Apr Late | chess.com INT | 3 | Hannes Stefansson | Jakub Kosakowski | 0-1 | 42 | Open |
| 442 | 2025-04-29 | Titled Tue 29th Apr Early | chess.com INT | 3 | Andrei Olhovik | Jakub Kosakowski | 1/2-1/2 | 85 | Open |
| 443 | 2025-04-29 | Titled Tue 29th Apr Late | chess.com INT | 2 | Antonios Gkavardinas | Jakub Kosakowski | 0-1 | 31 | Open |
| 444 | 2025-04-29 | Titled Tue 29th Apr Early | chess.com INT | 2 | Jakub Kosakowski | Pavel V. Tregubov | 1-0 | 32 | Open |
| 445 | 2025-04-29 | Titled Tue 29th Apr Early | chess.com INT | 1 | Maria Teresa Jimenez Salas | Jakub Kosakowski | 0-1 | 33 | Open |
| 446 | 2025-04-29 | Titled Tue 29th Apr Late | chess.com INT | 1 | Jakub Kosakowski | Aleksandar Topalov | 1-0 | 40 | Open |
| 447 | 2025-04-29 | Titled Tue 29th Apr Late | chess.com INT | 11 | Ivan Povshednyi | Jakub Kosakowski | 0-1 | 45 | Open |
| 448 | 2025-04-29 | Titled Tue 29th Apr Early | chess.com INT | 11 | Jakub Kosakowski | Magnus Carlsen | 0-1 | 29 | Open |
| 449 | 2025-04-29 | Titled Tue 29th Apr Early | chess.com INT | 10 | Aleksandra Goryachkina | Jakub Kosakowski | 0-1 | 52 | Open |
| 450 | 2025-04-29 | Titled Tue 29th Apr Late | chess.com INT | 10 | Jakub Kosakowski | Bence Pribelszky | 1-0 | 22 | Open |
| 451 | 2025-04-27 | Bundesliga 2024-25 | Deggendorf GER | 15.7 | Jan Smeets | Jakub Kosakowski | 0-1 | 39 | Open |
| 452 | 2025-04-26 | Bundesliga 2024-25 | Deggendorf GER | 14.7 | Victor Bologan | Jakub Kosakowski | 1/2-1/2 | 41 | Open |
| 453 | 2025-04-25 | Bundesliga 2024-25 | Deggendorf GER | 13.7 | Jakub Kosakowski | Bassem Amin | 1/2-1/2 | 46 | Open |
| 454 | 2025-04-22 | Titled Tue 22nd Apr Late | chess.com INT | 9 | Bakhtiyar Askarov | Jakub Kosakowski | 0-1 | 29 | Open |
| 455 | 2025-04-22 | Titled Tue 22nd Apr Early | chess.com INT | 9 | Jakub Kosakowski | Bayastan Sydykov | 1-0 | 68 | Open |
| 456 | 2025-04-22 | Titled Tue 22nd Apr Early | chess.com INT | 8 | Gulrukhbegim Tokhirjonova | Jakub Kosakowski | 1-0 | 44 | Open |
| 457 | 2025-04-22 | Titled Tue 22nd Apr Late | chess.com INT | 8 | Jakub Kosakowski | Anastasia Avramidou | 1-0 | 18 | Open |
| 458 | 2025-04-22 | Titled Tue 22nd Apr Late | chess.com INT | 7 | Julius Ohler | Jakub Kosakowski | 0-1 | 30 | Open |
| 459 | 2025-04-22 | Titled Tue 22nd Apr Early | chess.com INT | 7 | Jakub Kosakowski | Shamil Arslanov | 1-0 | 54 | Open |
| 460 | 2025-04-22 | Titled Tue 22nd Apr Early | chess.com INT | 6 | Alexandros Papasimakopoulos | Jakub Kosakowski | 1-0 | 36 | Open |
| 461 | 2025-04-22 | Titled Tue 22nd Apr Late | chess.com INT | 6 | Jakub Kosakowski | Ibon Dominguez Exposito | 1/2-1/2 | 62 | Open |
| 462 | 2025-04-22 | Titled Tue 22nd Apr Late | chess.com INT | 5 | Timur Kocharin | Jakub Kosakowski | 0-1 | 40 | Open |
| 463 | 2025-04-22 | Titled Tue 22nd Apr Early | chess.com INT | 5 | Jakub Kosakowski | Eelke De Boer | 1-0 | 25 | Open |
| 464 | 2025-04-22 | Titled Tue 22nd Apr Early | chess.com INT | 4 | Alireza Firouzja | Jakub Kosakowski | 1-0 | 30 | Open |
| 465 | 2025-04-22 | Titled Tue 22nd Apr Late | chess.com INT | 4 | Jakub Kosakowski | Maurizio Brancaleoni | 1-0 | 31 | Open |
| 466 | 2025-04-22 | Titled Tue 22nd Apr Early | chess.com INT | 3 | Rafail Antoniou | Jakub Kosakowski | 0-1 | 32 | Open |
| 467 | 2025-04-22 | Titled Tue 22nd Apr Late | chess.com INT | 3 | Kenneth Grodotzki | Jakub Kosakowski | 0-1 | 20 | Open |
| 468 | 2025-04-22 | Titled Tue 22nd Apr Late | chess.com INT | 2 | Jakub Kosakowski | Batuhan Ozen | 0-1 | 49 | Open |
| 469 | 2025-04-22 | Titled Tue 22nd Apr Early | chess.com INT | 2 | Jakub Kosakowski | Alexei Belov | 1-0 | 23 | Open |
| 470 | 2025-04-22 | Titled Tue 22nd Apr Late | chess.com INT | 1 | Baris Cinar Sahbudak | Jakub Kosakowski | 1-0 | 55 | Open |
| 471 | 2025-04-22 | Titled Tue 22nd Apr Early | chess.com INT | 1 | Cristian Dolezal | Jakub Kosakowski | 0-1 | 59 | Open |
| 472 | 2025-04-22 | Titled Tue 22nd Apr Late | chess.com INT | 11 | Jakub Kosakowski | Matthias Bluebaum | 1-0 | 38 | Open |
| 473 | 2025-04-22 | Titled Tue 22nd Apr Early | chess.com INT | 11 | Mohamed Ezat | Jakub Kosakowski | 0-1 | 72 | Open |
| 474 | 2025-04-22 | Titled Tue 22nd Apr Early | chess.com INT | 10 | Jakub Kosakowski | Gudmundur Kjartansson | 1/2-1/2 | 86 | Open |
| 475 | 2025-04-22 | Titled Tue 22nd Apr Late | chess.com INT | 10 | Jakub Kosakowski | Artin Ashraf | 1-0 | 22 | Open |
| 476 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 9 | Kent Slate | Jakub Kosakowski | 0-1 | 49 | Open |
| 477 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 9 | Jakub Kosakowski | Alexey Sarana | 0-1 | 76 | Open |
| 478 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 8 | Jakub Kosakowski | Anastasia Avramidou | 1-0 | 33 | Open |
| 479 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 8 | Jakub Kosakowski | Mykhaylo Oleksiyenko | 1-0 | 34 | Open |
| 480 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 7 | Jakub Kosakowski | Vladimir Fedoseev | 0-1 | 63 | Open |
| 481 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 7 | Benjamin Bok | Jakub Kosakowski | 1-0 | 32 | Open |
| 482 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 6 | Semyon Puzyrevsky | Jakub Kosakowski | 0-1 | 34 | Open |
| 483 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 6 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | 48 | Open |
| 484 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 5 | Jakub Kosakowski | Arnav Maheshwari | 1/2-1/2 | 114 | Open |
| 485 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 5 | Jakub Kosakowski | Johan-Sebastian Christiansen | 1-0 | 33 | Open |
| 486 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 4 | Anton Korobov | Jakub Kosakowski | 1-0 | 59 | Open |
| 487 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 4 | Jakub Kosakowski | Henrik Cernov | 1-0 | 57 | Open |
| 488 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 3 | Denis Lazavik | Jakub Kosakowski | 1/2-1/2 | 94 | Open |
| 489 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 3 | Mirsaleh Seyidli | Jakub Kosakowski | 0-1 | 39 | Open |
| 490 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 2 | Marat Denishev | Jakub Kosakowski | 0-1 | 29 | Open |
| 491 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 2 | Jakub Kosakowski | Tomasz Jaskolka | 1-0 | 81 | Open |
| 492 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 1 | Jakub Kosakowski | Mihael Ankerst | 1-0 | 36 | Open |
| 493 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 1 | Tomasz Gluszko | Jakub Kosakowski | 0-1 | 71 | Open |
| 494 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 11 | Jakub Kosakowski | Artem Dobrosmyslov | 1-0 | 16 | Open |
| 495 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 11 | Jakub Kosakowski | Beksultan Moldagali | 1-0 | 64 | Open |
| 496 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 10 | Aleksandra Goryachkina | Jakub Kosakowski | 1-0 | 38 | Open |
| 497 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 10 | Renato Terry | Jakub Kosakowski | 1/2-1/2 | 40 | Open |
| 498 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 9 | Jakub Kosakowski | Priyansh Garg | 1-0 | 27 | Open |
| 499 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 9 | Jakub Kosakowski | Azer Mirzoev | 1/2-1/2 | 46 | Open |
| 500 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 8 | Bence Pribelszky | Jakub Kosakowski | 0-1 | 0 | Open |
| 501 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 8 | Jakub Kosakowski | Pavel Skatchkov | 1-0 | 34 | Open |
| 502 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 7 | Angele Tenshi Biete | Jakub Kosakowski | 0-1 | 48 | Open |
| 503 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 7 | Jakub Kosakowski | Konstantin Sek | 0-1 | 41 | Open |
| 504 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 6 | Enrique Fernando Asensio Ramos | Jakub Kosakowski | 0-1 | 47 | Open |
| 505 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 6 | Jakub Kosakowski | Alexei Belov | 1/2-1/2 | 28 | Open |
| 506 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 5 | Ilyass Msellek | Jakub Kosakowski | 1-0 | 53 | Open |
| 507 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 5 | Semetei Tologon tegin | Jakub Kosakowski | 1-0 | 62 | Open |
| 508 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 4 | Le Thao Nguyen Pham | Jakub Kosakowski | 0-1 | 48 | Open |
| 509 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 4 | Jakub Kosakowski | Shant Sargsyan | 0-1 | 29 | Open |
| 510 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 3 | Jakub Kosakowski | Bharadia Yash | 1-0 | 41 | Open |
| 511 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 3 | Jakub Kosakowski | Stanislav Bukreev | 0-1 | 36 | Open |
| 512 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 2 | Marek Karas | Jakub Kosakowski | 0-1 | 53 | Open |
| 513 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 2 | Jakub Kosakowski | Tran Vo Quoc Bao | 1-0 | 23 | Open |
| 514 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 1 | Jan Boder | Jakub Kosakowski | 0-1 | 74 | Open |
| 515 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 1 | Jakub Kosakowski | Timur Kocharin | 1-0 | 36 | Open |
| 516 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 11 | Jakub Kosakowski | Nikita Shandrygin | 1-0 | 50 | Open |
| 517 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 11 | Jakub Kosakowski | Leonardo Tristan | 0-1 | 37 | Open |
| 518 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 10 | Nikolozi Kacharava | Jakub Kosakowski | 1/2-1/2 | 46 | Open |
| 519 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 10 | Jakob Pfreundt | Jakub Kosakowski | 0-1 | 33 | Open |
| 520 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 9 | Abtin Atakhan | Jakub Kosakowski | 0-1 | 34 | Open |
| 521 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 9 | Jakub Kosakowski | Olexandr Bortnyk | 0-1 | 46 | Open |
| 522 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 8 | Andrew Tang | Jakub Kosakowski | 0-1 | 40 | Open |
| 523 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 8 | Jakub Kosakowski | Anastasia Bodnaruk | 1-0 | 65 | Open |
| 524 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 7 | Ruben Domingo Nunez | Jakub Kosakowski | 1/2-1/2 | 100 | Open |
| 525 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 7 | Jakub Kosakowski | Matthias Bluebaum | 1-0 | 43 | Open |
| 526 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 6 | Narayanan S L | Jakub Kosakowski | 0-1 | 76 | Open |
| 527 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 6 | Jakub Kosakowski | Parham Maghsoodloo | 0-1 | 42 | Open |
| 528 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 5 | Shubh Jayesh Laddha | Jakub Kosakowski | 0-1 | 35 | Open |
| 529 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 5 | Jakub Kosakowski | Emil Risteski | 1-0 | 63 | Open |
| 530 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 4 | Jakub Kosakowski | Felix Guo | 1-0 | 61 | Open |
| 531 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 4 | Jakub Kosakowski | Mads Vestby-Ellingsen | 1-0 | 40 | Open |
| 532 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 3 | Samuel Sevian | Jakub Kosakowski | 1-0 | 28 | Open |
| 533 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 3 | Jakub Kosakowski | Nikhil Dixit | 1-0 | 27 | Open |
| 534 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 2 | Qianyun Gong | Jakub Kosakowski | 1-0 | 45 | Open |
| 535 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 2 | Vladislav Lymar | Jakub Kosakowski | 0-1 | 29 | Open |
| 536 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 1 | Jakub Kosakowski | Stanoje Jovic | 1-0 | 42 | Open |
| 537 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 1 | Jakub Kosakowski | Santiago Rodriguez | 1-0 | 50 | Open |
| 538 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 11 | Aku Salonen | Jakub Kosakowski | 0-1 | 22 | Open |
| 539 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 11 | Yagiz Kaan Erdogmus | Jakub Kosakowski | 1-0 | 35 | Open |
| 540 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 10 | Jakub Kosakowski | Christopher Woojin Yoo | 1-0 | 69 | Open |
| 541 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 10 | Jakub Kosakowski | Minh Hoang Le | 0-1 | 77 | Open |
| 542 | 2025-03-26 | 25th ch-EUR Indiv 2025 | Eforie Nord ROU | 11.51 | Lukas Dotzer | Jakub Kosakowski | 1/2-1/2 | 29 | Open |
| 543 | 2025-03-25 | 25th ch-EUR Indiv 2025 | Eforie Nord ROU | 10.65 | Jakub Kosakowski | Aleksandra Maltsevskaya | 1-0 | 21 | Open |
| 544 | 2025-03-24 | 25th ch-EUR Indiv 2025 | Eforie Nord ROU | 9.3 | Andrei Volokitin | Jakub Kosakowski | 1-0 | 76 | Open |
| 545 | 2025-03-23 | 25th ch-EUR Indiv 2025 | Eforie Nord ROU | 8.63 | Jakub Kosakowski | Henry Edward Tudor | 1-0 | 82 | Open |
| 546 | 2025-03-22 | 25th ch-EUR Indiv 2025 | Eforie Nord ROU | 7.21 | Nils Grandelius | Jakub Kosakowski | 1-0 | 36 | Open |
| 547 | 2025-03-20 | 25th ch-EUR Indiv 2025 | Eforie Nord ROU | 6.23 | Jakub Kosakowski | Ruslan Ponomariov | 1/2-1/2 | 23 | Open |
| 548 | 2025-03-19 | 25th ch-EUR Indiv 2025 | Eforie Nord ROU | 5.21 | Jaime Santos Latasa | Jakub Kosakowski | 1/2-1/2 | 76 | Open |
| 549 | 2025-03-18 | 25th ch-EUR Indiv 2025 | Eforie Nord ROU | 4.22 | Jakub Kosakowski | Alan Pichot | 1/2-1/2 | 13 | Open |
| 550 | 2025-03-17 | 25th ch-EUR Indiv 2025 | Eforie Nord ROU | 3.15 | Yagiz Kaan Erdogmus | Jakub Kosakowski | 1/2-1/2 | 45 | Open |
| 551 | 2025-03-16 | 25th ch-EUR Indiv 2025 | Eforie Nord ROU | 2.75 | Jakub Kosakowski | Roy Vagman | 1-0 | 35 | Open |
| 552 | 2025-03-15 | 25th ch-EUR Indiv 2025 | Eforie Nord ROU | 1.91 | Alban Krasniqi | Jakub Kosakowski | 0-1 | 41 | Open |
| 553 | 2025-03-11 | Titled Tue 11th Mar Late | chess.com INT | 9 | Jakub Kosakowski | Harshin Reddy Jagirapu | 0-1 | 22 | Open |
| 554 | 2025-03-11 | Titled Tue 11th Mar Late | chess.com INT | 8 | Jakub Kosakowski | Sanan Sjugirov | 0-1 | 40 | Open |
| 555 | 2025-03-11 | Titled Tue 11th Mar Late | chess.com INT | 7 | Matthias Bluebaum | Jakub Kosakowski | 0-1 | 46 | Open |
| 556 | 2025-03-11 | Titled Tue 11th Mar Late | chess.com INT | 6 | Jakub Kosakowski | Anish Giri | 1/2-1/2 | 47 | Open |
| 557 | 2025-03-11 | Titled Tue 11th Mar Late | chess.com INT | 5 | Antonios Gkavardinas | Jakub Kosakowski | 0-1 | 19 | Open |
| 558 | 2025-03-11 | Titled Tue 11th Mar Late | chess.com INT | 4 | Nikolaos Koutlas | Jakub Kosakowski | 0-1 | 41 | Open |
| 559 | 2025-03-11 | Titled Tue 11th Mar Late | chess.com INT | 3 | Jakub Kosakowski | Alexey Sarana | 0-1 | 36 | Open |
| 560 | 2025-03-11 | Titled Tue 11th Mar Late | chess.com INT | 2 | David Gasparyan | Jakub Kosakowski | 0-1 | 50 | Open |
| 561 | 2025-03-11 | Titled Tue 11th Mar Late | chess.com INT | 1 | Jakub Kosakowski | Al Khatib Ahmad | 1-0 | 45 | Open |
| 562 | 2025-03-11 | Titled Tue 11th Mar Late | chess.com INT | 11 | Jakub Kosakowski | Kevin George | 0-1 | 34 | Open |
| 563 | 2025-03-11 | Titled Tue 11th Mar Late | chess.com INT | 10 | Karina Ambartsumova | Jakub Kosakowski | 0-1 | 58 | Open |
| 564 | 2025-03-04 | Titled Tue 4th Mar Early | chess.com INT | 9 | Jakub Kosakowski | Maksim Ivannikov | 1-0 | 35 | Open |
| 565 | 2025-03-04 | Titled Tue 4th Mar Late | chess.com INT | 9 | Jakub Kosakowski | Christopher Woojin Yoo | 0-1 | 47 | Open |
| 566 | 2025-03-04 | Titled Tue 4th Mar Late | chess.com INT | 8 | Erigaisi Arjun | Jakub Kosakowski | 1-0 | 33 | Open |
| 567 | 2025-03-04 | Titled Tue 4th Mar Early | chess.com INT | 8 | Richard Zienert | Jakub Kosakowski | 0-1 | 74 | Open |
| 568 | 2025-03-04 | Titled Tue 4th Mar Late | chess.com INT | 7 | Jakub Kosakowski | Adam Kozak | 1-0 | 18 | Open |
| 569 | 2025-03-04 | Titled Tue 4th Mar Early | chess.com INT | 7 | Jakub Kosakowski | Juan Cruz Arias | 0-1 | 22 | Open |
| 570 | 2025-03-04 | Titled Tue 4th Mar Early | chess.com INT | 6 | Niclas Huschenbeth | Jakub Kosakowski | 1-0 | 57 | Open |
| 571 | 2025-03-04 | Titled Tue 4th Mar Late | chess.com INT | 6 | Jakub Kosakowski | Piotr Brzezina | 1-0 | 31 | Open |
| 572 | 2025-03-04 | Titled Tue 4th Mar Late | chess.com INT | 5 | Javokhir Sindarov | Jakub Kosakowski | 1-0 | 46 | Open |
| 573 | 2025-03-04 | Titled Tue 4th Mar Early | chess.com INT | 5 | Jakub Kosakowski | Semetei Tologon tegin | 1-0 | 83 | Open |
| 574 | 2025-03-04 | Titled Tue 4th Mar Late | chess.com INT | 4 | Olexandr Bortnyk | Jakub Kosakowski | 0-1 | 104 | Open |
| 575 | 2025-03-04 | Titled Tue 4th Mar Early | chess.com INT | 4 | Jakub Kosakowski | Nikolai Vlassov | 1-0 | 17 | Open |
| 576 | 2025-03-04 | Titled Tue 4th Mar Early | chess.com INT | 3 | Kevin Davidson | Jakub Kosakowski | 0-1 | 23 | Open |
| 577 | 2025-03-04 | Titled Tue 4th Mar Late | chess.com INT | 3 | Jakub Kosakowski | Eduardo da Costa Marra | 1-0 | 39 | Open |
| 578 | 2025-03-04 | Titled Tue 4th Mar Late | chess.com INT | 2 | Jakub Kosakowski | Rick Frischmann | 1-0 | 34 | Open |
| 579 | 2025-03-04 | Titled Tue 4th Mar Early | chess.com INT | 2 | Jakub Kosakowski | Volodya Torosyan | 0-1 | 73 | Open |
| 580 | 2025-03-04 | Titled Tue 4th Mar Late | chess.com INT | 1 | Alexandre Kretchetov | Jakub Kosakowski | 0-1 | 50 | Open |
| 581 | 2025-03-04 | Titled Tue 4th Mar Early | chess.com INT | 1 | Alexandru Calin | Jakub Kosakowski | 0-1 | 36 | Open |
| 582 | 2025-03-04 | Titled Tue 4th Mar Late | chess.com INT | 11 | Valentin Mitev | Jakub Kosakowski | 0-1 | 36 | Open |
| 583 | 2025-03-04 | Titled Tue 4th Mar Early | chess.com INT | 11 | Jakub Kosakowski | Alexey Reshetnikov | 1-0 | 33 | Open |
| 584 | 2025-03-04 | Titled Tue 4th Mar Late | chess.com INT | 10 | Novendra Priasmoro | Jakub Kosakowski | 1-0 | 56 | Open |
| 585 | 2025-03-04 | Titled Tue 4th Mar Early | chess.com INT | 10 | Tim Grutter | Jakub Kosakowski | 0-1 | 56 | Open |
| 586 | 2025-02-25 | Titled Tue 25th Feb Late | chess.com INT | 9 | Christopher Woojin Yoo | Jakub Kosakowski | 0-1 | 41 | Open |
| 587 | 2025-02-25 | Titled Tue 25th Feb Early | chess.com INT | 9 | Hikaru Nakamura | Jakub Kosakowski | 0-1 | 82 | Open |
| 588 | 2025-02-25 | Titled Tue 25th Feb Late | chess.com INT | 8 | Eric Feng | Jakub Kosakowski | 0-1 | 52 | Open |
| 589 | 2025-02-25 | Titled Tue 25th Feb Early | chess.com INT | 8 | Jakub Kosakowski | Aleksandar Indjic | 0-1 | 32 | Open |
| 590 | 2025-02-25 | Titled Tue 25th Feb Late | chess.com INT | 7 | Jakub Kosakowski | Maxim Novik | 1-0 | 25 | Open |
| 591 | 2025-02-25 | Titled Tue 25th Feb Early | chess.com INT | 7 | Jakub Kosakowski | Bogdan-Daniel Deac | 1-0 | 38 | Open |
| 592 | 2025-02-25 | Titled Tue 25th Feb Late | chess.com INT | 6 | Peter D Suich | Jakub Kosakowski | 1/2-1/2 | 61 | Open |
| 593 | 2025-02-25 | Titled Tue 25th Feb Early | chess.com INT | 6 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | 41 | Open |
| 594 | 2025-02-25 | Titled Tue 25th Feb Late | chess.com INT | 5 | Jakub Kosakowski | Vilka Sipila | 1-0 | 48 | Open |
| 595 | 2025-02-25 | Titled Tue 25th Feb Early | chess.com INT | 5 | Jakub Kosakowski | Andrey Esipenko | 1-0 | 37 | Open |
| 596 | 2025-02-25 | Titled Tue 25th Feb Late | chess.com INT | 4 | Marek Karas | Jakub Kosakowski | 1/2-1/2 | 73 | Open |
| 597 | 2025-02-25 | Titled Tue 25th Feb Early | chess.com INT | 4 | Alireza Firouzja | Jakub Kosakowski | 0-1 | 46 | Open |
| 598 | 2025-02-25 | Titled Tue 25th Feb Late | chess.com INT | 3 | Jakub Kosakowski | Carlos Alvarado | 1-0 | 42 | Open |
| 599 | 2025-02-25 | Titled Tue 25th Feb Early | chess.com INT | 3 | Jakub Kosakowski | Meri Arabidze | 1-0 | 55 | Open |
| 600 | 2025-02-25 | Titled Tue 25th Feb Early | chess.com INT | 2 | Daniel Barria Zuniga | Jakub Kosakowski | 0-1 | 22 | Open |
| 601 | 2025-02-25 | Titled Tue 25th Feb Late | chess.com INT | 2 | Behzad Salimiyan | Jakub Kosakowski | 1-0 | 34 | Open |
| 602 | 2025-02-25 | Titled Tue 25th Feb Late | chess.com INT | 1 | Jakub Kosakowski | Florian Gatterer | 1-0 | 45 | Open |
| 603 | 2025-02-25 | Titled Tue 25th Feb Early | chess.com INT | 1 | Jakub Kosakowski | Richard Vedder | 1-0 | 22 | Open |
| 604 | 2025-02-25 | Titled Tue 25th Feb Late | chess.com INT | 11 | Hrair Simonian | Jakub Kosakowski | 1-0 | 40 | Open |
| 605 | 2025-02-25 | Titled Tue 25th Feb Early | chess.com INT | 11 | Jakub Kosakowski | Sargis A. Manukyan | 0-1 | 52 | Open |
| 606 | 2025-02-25 | Titled Tue 25th Feb Early | chess.com INT | 10 | Tuan Minh Le | Jakub Kosakowski | 1-0 | 42 | Open |
| 607 | 2025-02-25 | Titled Tue 25th Feb Late | chess.com INT | 10 | Jakub Kosakowski | Jose Eduardo Martinez Alcantara | 0-1 | 73 | Open |
| 608 | 2025-02-23 | Bundesliga 2024-25 | Heimbach-Weis GER | 10.7 | Jakub Kosakowski | Jachym Nemec | 0-1 | 28 | Open |
| 609 | 2025-02-22 | Bundesliga 2024-25 | Heimbach-Weis GER | 9.7 | Gengchun Wong | Jakub Kosakowski | 0-1 | 52 | Open |
| 610 | 2025-02-18 | Titled Tue 18th Feb Late | chess.com INT | 9 | Armin Khajavi | Jakub Kosakowski | 0-1 | 78 | Open |
| 611 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 9 | Jakub Kosakowski | Roman Novoselov | 1-0 | 45 | Open |
| 612 | 2025-02-18 | Titled Tue 18th Feb Late | chess.com INT | 8 | Jakub Kosakowski | Marek Karas | 1-0 | 27 | Open |
| 613 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 8 | Matias Carcamo | Jakub Kosakowski | 0-1 | 59 | Open |
| 614 | 2025-02-18 | Titled Tue 18th Feb Late | chess.com INT | 7 | Eray Kilic | Jakub Kosakowski | 1-0 | 42 | Open |
| 615 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 7 | Jakub Kosakowski | Ivan Kochiev | 1-0 | 44 | Open |
| 616 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 6 | Mohamed Nouali | Jakub Kosakowski | 1-0 | 48 | Open |
| 617 | 2025-02-18 | Titled Tue 18th Feb Late | chess.com INT | 6 | Jakub Kosakowski | Duc Minh Lai | 1-0 | 35 | Open |
| 618 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 5 | Jakub Kosakowski | Ramil Hasangatin | 0-1 | 56 | Open |
| 619 | 2025-02-18 | Titled Tue 18th Feb Late | chess.com INT | 5 | Jakub Kosakowski | Christopher Woojin Yoo | 0-1 | 23 | Open |
| 620 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 4 | Mateusz Brozyna | Jakub Kosakowski | 0-1 | 31 | Open |
| 621 | 2025-02-18 | Titled Tue 18th Feb Late | chess.com INT | 4 | Pablo Zarnicki | Jakub Kosakowski | 0-1 | 33 | Open |
| 622 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 3 | Jakub Kosakowski | Alejandro Yanes Canizares | 1-0 | 45 | Open |
| 623 | 2025-02-18 | Titled Tue 18th Feb Late | chess.com INT | 3 | Jakub Kosakowski | Maximilian Mostbauer | 1-0 | 21 | Open |
| 624 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 2 | Shubh Jayesh Laddha | Jakub Kosakowski | 1-0 | 67 | Open |
| 625 | 2025-02-18 | Titled Tue 18th Feb Late | chess.com INT | 2 | Jakub Kosakowski | Max Mottola | 1-0 | 39 | Open |
| 626 | 2025-02-18 | Titled Tue 18th Feb Late | chess.com INT | 1 | Donat Daroczi | Jakub Kosakowski | 1/2-1/2 | 84 | Open |
| 627 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 1 | Jakub Kosakowski | Tyrell Harriott | 1-0 | 24 | Open |
| 628 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 11 | Jakub Kosakowski | Indy Southcott-Moyers | 1-0 | 48 | Open |
| 629 | 2025-02-18 | Titled Tue 18th Feb Late | chess.com INT | 11 | Jakub Kosakowski | Felix Guo | 0-1 | 37 | Open |
| 630 | 2025-02-18 | Titled Tue 18th Feb Early | chess.com INT | 10 | Nikolaos Poupalos | Jakub Kosakowski | 1-0 | 35 | Open |
| 631 | 2025-02-18 | Titled Tue 18th Feb Late | chess.com INT | 10 | Jakub Kosakowski | Sergei Zhigalko | 0-1 | 59 | Open |
| 632 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 9 | Jakub Kosakowski | Aleksandra Maltsevskaya | 1-0 | 42 | Open |
| 633 | 2025-02-11 | Titled Tue 11th Feb Early | chess.com INT | 9 | Jakub Kosakowski | Ali Farahat | 0-1 | 39 | Open |
| 634 | 2025-02-11 | Titled Tue 11th Feb Early | chess.com INT | 8 | Alejandro Domingo Nunez | Jakub Kosakowski | 0-1 | 31 | Open |
| 635 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 8 | Vugar Rasulov | Jakub Kosakowski | 1-0 | 45 | Open |
| 636 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 7 | Jakub Kosakowski | Christopher Woojin Yoo | 1/2-1/2 | 81 | Open |
| 637 | 2025-02-11 | Titled Tue 11th Feb Early | chess.com INT | 7 | Jakub Kosakowski | Jan Kokoszczynski | 1-0 | 33 | Open |
| 638 | 2025-02-11 | Titled Tue 11th Feb Early | chess.com INT | 6 | Vladislav Voitovich | Jakub Kosakowski | 0-1 | 37 | Open |
| 639 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 6 | Benjamin Bok | Jakub Kosakowski | 1-0 | 42 | Open |
| 640 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 5 | Jakub Kosakowski | Konstantin Popov | 1-0 | 41 | Open |
| 641 | 2025-02-11 | Titled Tue 11th Feb Early | chess.com INT | 5 | Jakub Kosakowski | Tigran Mukhutdinov | 0-1 | 25 | Open |
| 642 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 4 | Jose Eduardo Martinez Alcantara | Jakub Kosakowski | 0-1 | 79 | Open |
| 643 | 2025-02-11 | Titled Tue 11th Feb Early | chess.com INT | 4 | Nikita An. Kalinin | Jakub Kosakowski | 0-1 | 28 | Open |
| 644 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 3 | Jakub Suder | Jakub Kosakowski | 0-1 | 54 | Open |
| 645 | 2025-02-11 | Titled Tue 11th Feb Early | chess.com INT | 3 | Jakub Kosakowski | Safar Harutyunyan | 1-0 | 33 | Open |
| 646 | 2025-02-11 | Titled Tue 11th Feb Early | chess.com INT | 2 | Damir Ismagilov | Jakub Kosakowski | 1-0 | 40 | Open |
| 647 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 2 | Jakub Kosakowski | Rafail Antoniou | 1-0 | 27 | Open |
| 648 | 2025-02-11 | Titled Tue 11th Feb Early | chess.com INT | 1 | Jakub Kosakowski | Maksim Omariev | 1-0 | 45 | Open |
| 649 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 1 | Wojciech Smieszek | Jakub Kosakowski | 0-1 | 53 | Open |
| 650 | 2025-02-11 | Titled Tue 11th Feb Early | chess.com INT | 11 | Jakub Kosakowski | Joshua Christie | 0-1 | 41 | Open |
| 651 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 11 | Jakub Kosakowski | Eray Kilic | 1/2-1/2 | 137 | Open |
| 652 | 2025-02-11 | Titled Tue 11th Feb Late | chess.com INT | 10 | Andrey Drygalov | Jakub Kosakowski | 0-1 | 42 | Open |
| 653 | 2025-02-11 | Titled Tue 11th Feb Early | chess.com INT | 10 | Nicolai Maxime Ostensen | Jakub Kosakowski | 1-0 | 45 | Open |
| 654 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 9 | Jakub Kosakowski | Vuk Damjanovic | 0-1 | 32 | Open |
| 655 | 2025-02-04 | Titled Tue 4th Feb Late | chess.com INT | 9 | Jakub Kosakowski | Gleb Scheglov | 0-1 | 37 | Open |
| 656 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 8 | Jakub Kosakowski | Savitha Shri B | 1-0 | 47 | Open |
| 657 | 2025-02-04 | Titled Tue 4th Feb Late | chess.com INT | 8 | Benjamin Bok | Jakub Kosakowski | 1-0 | 36 | Open |
| 658 | 2025-02-04 | Titled Tue 4th Feb Late | chess.com INT | 7 | Nikolas Theodorou | Jakub Kosakowski | 0-1 | 80 | Open |
| 659 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 7 | Andrey Sumets | Jakub Kosakowski | 0-1 | 49 | Open |
| 660 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 6 | Jakub Kosakowski | Sergey Slugin | 1-0 | 43 | Open |
| 661 | 2025-02-04 | Titled Tue 4th Feb Late | chess.com INT | 6 | Jakub Kosakowski | Ray Robson | 1/2-1/2 | 39 | Open |
| 662 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 5 | Rameshbabu Vaishali | Jakub Kosakowski | 1-0 | 51 | Open |
| 663 | 2025-02-04 | Titled Tue 4th Feb Late | chess.com INT | 5 | Vladimir Burmakin | Jakub Kosakowski | 0-1 | 35 | Open |
| 664 | 2025-02-04 | Titled Tue 4th Feb Late | chess.com INT | 4 | Jakub Kosakowski | Jose Javier Gonzalez Castillo | 1-0 | 33 | Open |
| 665 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 4 | Jakub Kosakowski | Imangali Akhilbay | 1-0 | 29 | Open |
| 666 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 3 | Egehan Yildiz | Jakub Kosakowski | 0-1 | 37 | Open |
| 667 | 2025-02-04 | Titled Tue 4th Feb Late | chess.com INT | 3 | Maciej Sroczynski | Jakub Kosakowski | 1/2-1/2 | 21 | Open |
| 668 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 2 | Jakub Kosakowski | Ilyass Msellek | 0-1 | 48 | Open |
| 669 | 2025-02-04 | Titled Tue 4th Feb Late | chess.com INT | 2 | Jakub Kosakowski | Matias Carcamo | 1-0 | 60 | Open |
| 670 | 2025-02-04 | Titled Tue 4th Feb Late | chess.com INT | 1 | Artem Gogolev | Jakub Kosakowski | 0-1 | 22 | Open |
| 671 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 1 | Narayan Venkatesh | Jakub Kosakowski | 0-1 | 34 | Open |
| 672 | 2025-02-04 | Titled Tue 4th Feb Late | chess.com INT | 11 | Jakub Kosakowski | Levente Papp | 1/2-1/2 | 54 | Open |
| 673 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 11 | Jakub Kosakowski | Daniel Naroditsky | 0-1 | 43 | Open |
| 674 | 2025-02-04 | Titled Tue 4th Feb Late | chess.com INT | 10 | Alexander Gelman | Jakub Kosakowski | 0-1 | 45 | Open |
| 675 | 2025-02-04 | Titled Tue 4th Feb Early | chess.com INT | 10 | Vasiliy Korchmar | Jakub Kosakowski | 0-1 | 47 | Open |
| 676 | 2025-02-02 | Bundesliga 2024-25 | Viernheim GER | 8.4 | Jakub Kosakowski | Michael Fedorovsky | 1-0 | 61 | Open |
| 677 | 2025-02-01 | Bundesliga 2024-25 | Viernheim GER | 7.4 | Dusan Popovic | Jakub Kosakowski | 0-1 | 33 | Open |
| 678 | 2025-01-21 | Titled Tue 21st Jan Early | chess.com INT | 9 | Shamsiddin Vokhidov | Jakub Kosakowski | 0-1 | 59 | Open |
| 679 | 2025-01-21 | Titled Tue 21st Jan Early | chess.com INT | 8 | Jakub Kosakowski | Nathaniel Mathurin | 1-0 | 21 | Open |
| 680 | 2025-01-21 | Titled Tue 21st Jan Early | chess.com INT | 7 | Velimir Ivic | Jakub Kosakowski | 1-0 | 73 | Open |
| 681 | 2025-01-21 | Titled Tue 21st Jan Early | chess.com INT | 6 | Jakub Kosakowski | Martyn Kravtsiv | 1/2-1/2 | 41 | Open |
| 682 | 2025-01-21 | Titled Tue 21st Jan Early | chess.com INT | 5 | Jakub Kosakowski | Sergei Zhigalko | 1/2-1/2 | 84 | Open |
| 683 | 2025-01-21 | Titled Tue 21st Jan Early | chess.com INT | 4 | Johan-Sebastian Christiansen | Jakub Kosakowski | 0-1 | 46 | Open |
| 684 | 2025-01-21 | Titled Tue 21st Jan Early | chess.com INT | 3 | Jakub Kosakowski | Richard Shtivelband | 1-0 | 24 | Open |
| 685 | 2025-01-21 | Titled Tue 21st Jan Early | chess.com INT | 2 | Rafail Antoniou | Jakub Kosakowski | 0-1 | 35 | Open |
| 686 | 2025-01-21 | Titled Tue 21st Jan Early | chess.com INT | 1 | Jakub Kosakowski | Altan-Ulzii Enkhtuul | 1-0 | 81 | Open |
| 687 | 2025-01-21 | Titled Tue 21st Jan Early | chess.com INT | 11 | Bogdan-Daniel Deac | Jakub Kosakowski | 1-0 | 56 | Open |
| 688 | 2025-01-21 | Titled Tue 21st Jan Early | chess.com INT | 10 | Jakub Kosakowski | Sanan Sjugirov | 1-0 | 35 | Open |
| 689 | 2025-01-15 | Titled Tue 14th Jan Late | chess.com INT | 11 | Dashgyn Ibadov | Jakub Kosakowski | 0-1 | 46 | Open |
| 690 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 9 | Dmitry Petukhov | Jakub Kosakowski | 0-1 | 27 | Open |
| 691 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 8 | Jakub Kosakowski | Narek Ghimoyan | 1/2-1/2 | 63 | Open |
| 692 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 7 | Seyed Abolfazl Moosavifar | Jakub Kosakowski | 1-0 | 76 | Open |
| 693 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 6 | Maxim Novik | Jakub Kosakowski | 1-0 | 41 | Open |
| 694 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 5 | Jakub Kosakowski | Alejandro Domingo Nunez | 1-0 | 24 | Open |
| 695 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 4 | Jorge Leon Oquendo | Jakub Kosakowski | 0-1 | 47 | Open |
| 696 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 3 | Jakub Kosakowski | Guillermo Camacho Martinez | 1-0 | 66 | Open |
| 697 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 2 | Luca Silva | Jakub Kosakowski | 1-0 | 31 | Open |
| 698 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 1 | Jakub Kosakowski | Ian Ocampos | 1-0 | 26 | Open |
| 699 | 2025-01-14 | Titled Tue 14th Jan Late | chess.com INT | 10 | Jakub Kosakowski | Max Hess | 0-1 | 33 | Open |
| 700 | 2025-01-12 | Bundesliga 2024-25 | Baden Baden GER | 6.5 | Rustam Kasimdzhanov | Jakub Kosakowski | 1-0 | 51 | Open |
| 701 | 2025-01-11 | Bundesliga 2024-25 | Baden Baden GER | 5.6 | Jakub Kosakowski | Rustem Dautov | 1/2-1/2 | 77 | Open |
| 702 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 9 | Alexander Fishbein | Jakub Kosakowski | 1-0 | 47 | Open |
| 703 | 2025-01-07 | Titled Tue 7th Jan Early | chess.com INT | 9 | Md Minhaz Uddin | Jakub Kosakowski | 0-1 | 36 | Open |
| 704 | 2025-01-07 | Titled Tue 7th Jan Early | chess.com INT | 8 | Jakub Kosakowski | Igor Yagupov | 1-0 | 28 | Open |
| 705 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 8 | Jakub Kosakowski | Lennis Martinez Ramirez | 0-1 | 34 | Open |
| 706 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 7 | Olexandr Bortnyk | Jakub Kosakowski | 1/2-1/2 | 93 | Open |
| 707 | 2025-01-07 | Titled Tue 7th Jan Early | chess.com INT | 7 | Alan Pichot | Jakub Kosakowski | 1-0 | 36 | Open |
| 708 | 2025-01-07 | Titled Tue 7th Jan Early | chess.com INT | 6 | Jakub Kosakowski | Mikhail V. Kuznetsov | 1-0 | 52 | Open |
| 709 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 6 | Jakub Kosakowski | Hikaru Nakamura | 1-0 | 54 | Open |
| 710 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 5 | Jakub Kosakowski | Oliver Wartiovaara | 1-0 | 27 | Open |
| 711 | 2025-01-07 | Titled Tue 7th Jan Early | chess.com INT | 5 | Jakub Kosakowski | Bojan Maksimovic | 0-1 | 34 | Open |
| 712 | 2025-01-07 | Titled Tue 7th Jan Early | chess.com INT | 4 | Chithambaram VR. Aravindh | Jakub Kosakowski | 1/2-1/2 | 53 | Open |
| 713 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 4 | Levon Aronian | Jakub Kosakowski | 1-0 | 29 | Open |
| 714 | 2025-01-07 | Titled Tue 7th Jan Early | chess.com INT | 3 | Nazar Firman | Jakub Kosakowski | 0-1 | 49 | Open |
| 715 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 3 | Jakub Kosakowski | Thomas Bauer | 1-0 | 42 | Open |
| 716 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 2 | Jakub Kosakowski | Aryan Achuthan | 1-0 | 20 | Open |
| 717 | 2025-01-07 | Titled Tue 7th Jan Early | chess.com INT | 2 | Jakub Kosakowski | Zarina Nurgaliyeva | 1-0 | 42 | Open |
| 718 | 2025-01-07 | Titled Tue 7th Jan Early | chess.com INT | 1 | Harshin Reddy Jagirapu | Jakub Kosakowski | 0-1 | 68 | Open |
| 719 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 1 | Raphael V. P. Patricio Alonso | Jakub Kosakowski | 0-1 | 43 | Open |
| 720 | 2025-01-07 | Titled Tue 7th Jan Early | chess.com INT | 11 | Cecile Haussernot | Jakub Kosakowski | 0-1 | 45 | Open |
| 721 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 11 | Yurii N. Khodko | Jakub Kosakowski | 1-0 | 23 | Open |
| 722 | 2025-01-07 | Titled Tue 7th Jan Early | chess.com INT | 10 | Jakub Kosakowski | Rudik Makarian | 0-1 | 62 | Open |
| 723 | 2025-01-07 | Titled Tue 7th Jan Late | chess.com INT | 10 | Jakub Kosakowski | German Spata | 1-0 | 49 | Open |
| 724 | 2024-12-31 | 43 Ludwika Zamenhofa Mem | Bialystok POL | 9.11 | Mariusz Szewczyk | Jakub Kosakowski | 0-1 | 53 | Open |
| 725 | 2024-12-30 | 43 Ludwika Zamenhofa Mem | Bialystok POL | 8.5 | Hubert Backiel | Jakub Kosakowski | 1-0 | 62 | Open |
| 726 | 2024-12-30 | 43 Ludwika Zamenhofa Mem | Bialystok POL | 7.4 | Jakub Kosakowski | Patryk Rekuc | 1/2-1/2 | 37 | Open |
| 727 | 2024-12-29 | 43 Ludwika Zamenhofa Mem | Bialystok POL | 6.5 | Michalina Rudzinska | Jakub Kosakowski | 1/2-1/2 | 36 | Open |
| 728 | 2024-12-29 | 43 Ludwika Zamenhofa Mem | Bialystok POL | 5.8 | Jakub Kosakowski | Tomasz Woznicki | 1-0 | 40 | Open |
| 729 | 2024-12-28 | 43 Ludwika Zamenhofa Mem | Bialystok POL | 4.17 | Jakub Kosakowski | Krzysztof Madrawski | 1-0 | 36 | Open |
| 730 | 2024-12-28 | 43 Ludwika Zamenhofa Mem | Bialystok POL | 3.12 | Rafal Dalkowski | Jakub Kosakowski | 1/2-1/2 | 52 | Open |
| 731 | 2024-12-27 | 43 Ludwika Zamenhofa Mem | Bialystok POL | 2.23 | Jakub Kosakowski | Wojciech Borowik | 1-0 | 51 | Open |
| 732 | 2024-12-27 | 43 Ludwika Zamenhofa Mem | Bialystok POL | 1.1 | Kacper Karut | Jakub Kosakowski | 1-0 | 40 | Open |
| 733 | 2024-12-24 | Titled Tue 24th Dec Late | chess.com INT | 9 | Varun Krishnan | Jakub Kosakowski | 0-1 | 106 | Open |
| 734 | 2024-12-24 | Titled Tue 24th Dec Late | chess.com INT | 8 | Viacheslav Tikhonov | Jakub Kosakowski | 0-1 | 27 | Open |
| 735 | 2024-12-24 | Titled Tue 24th Dec Late | chess.com INT | 7 | Jakub Kosakowski | Miras Assylov | 0-1 | 13 | Open |
| 736 | 2024-12-24 | Titled Tue 24th Dec Late | chess.com INT | 6 | Diego Cacheiro Blanco | Jakub Kosakowski | 0-1 | 73 | Open |
| 737 | 2024-12-24 | Titled Tue 24th Dec Late | chess.com INT | 5 | Temirlan Baltabaev | Jakub Kosakowski | 1-0 | 44 | Open |
| 738 | 2024-12-24 | Titled Tue 24th Dec Late | chess.com INT | 4 | Jakub Kosakowski | Samuel Sevian | 0-1 | 54 | Open |
| 739 | 2024-12-24 | Titled Tue 24th Dec Late | chess.com INT | 3 | Jakub Kosakowski | Harshin Reddy Jagirapu | 1-0 | 86 | Open |
| 740 | 2024-12-24 | Titled Tue 24th Dec Late | chess.com INT | 2 | Stepan Hrbek | Jakub Kosakowski | 0-1 | 37 | Open |
| 741 | 2024-12-24 | Titled Tue 24th Dec Late | chess.com INT | 1 | Jakub Kosakowski | Rudolf Jun | 1-0 | 34 | Open |
| 742 | 2024-12-24 | Titled Tue 24th Dec Late | chess.com INT | 11 | David Zhurbinsky | Jakub Kosakowski | 1-0 | 41 | Open |
| 743 | 2024-12-24 | Titled Tue 24th Dec Late | chess.com INT | 10 | Jakub Kosakowski | Meri Arabidze | 1-0 | 39 | Open |
| 744 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 9 | Jakub Kosakowski | Tuna Ozates | 0-1 | 67 | Open |
| 745 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 8 | Yonathan Uritsky | Jakub Kosakowski | 1-0 | 9 | Open |
| 746 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 7 | Daniel Lowinger | Jakub Kosakowski | 0-1 | 57 | Open |
| 747 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 6 | Jakub Kosakowski | Vadim Bobkov | 0-1 | 38 | Open |
| 748 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 5 | Andrii Punin | Jakub Kosakowski | 0-1 | 63 | Open |
| 749 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 4 | Jakub Kosakowski | Georgios Souleidis | 1-0 | 29 | Open |
| 750 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 3 | Vicente Cano Gimenez | Jakub Kosakowski | 0-1 | 52 | Open |
| 751 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 2 | Jakub Kosakowski | Benjamin Walmer | 1-0 | 42 | Open |
| 752 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 1 | Narayan Venkatesh | Jakub Kosakowski | 1-0 | 32 | Open |
| 753 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 11 | Jakub Kosakowski | Le Thao Nguyen Pham | 1-0 | 38 | Open |
| 754 | 2024-12-17 | Titled Tue 17th Dec Early | chess.com INT | 10 | Seyed Abolfazl Moosavifar | Jakub Kosakowski | 0-1 | 34 | Open |
| 755 | 2024-12-01 | Bundesliga 2024-25 | Heimbach-Weis GER | 4.5 | Frank Sawatzki | Jakub Kosakowski | 0-1 | 51 | Open |
| 756 | 2024-11-30 | Bundesliga 2024-25 | Heimbach-Weis GER | 3.5 | Jakub Kosakowski | Zbynek Hracek | 1/2-1/2 | 20 | Open |
| 757 | 2024-11-26 | Titled Tue 26th Nov Early | chess.com INT | 9 | V Pranav | Jakub Kosakowski | 1-0 | 60 | Open |
| 758 | 2024-11-26 | Titled Tue 26th Nov Early | chess.com INT | 8 | Jakub Kosakowski | Meri Arabidze | 1-0 | 38 | Open |
| 759 | 2024-11-26 | Titled Tue 26th Nov Early | chess.com INT | 7 | Jeevan Karamsetty | Jakub Kosakowski | 0-1 | 35 | Open |
| 760 | 2024-11-26 | Titled Tue 26th Nov Early | chess.com INT | 6 | Jakub Kosakowski | Kamil Grycel | 1-0 | 41 | Open |
| 761 | 2024-11-26 | Titled Tue 26th Nov Early | chess.com INT | 5 | Patrik Stevik | Jakub Kosakowski | 1/2-1/2 | 34 | Open |
| 762 | 2024-11-26 | Titled Tue 26th Nov Early | chess.com INT | 4 | Jakub Kosakowski | Kemal Bashirov | 0-1 | 38 | Open |
| 763 | 2024-11-26 | Titled Tue 26th Nov Early | chess.com INT | 3 | Juan Sebastian Melian | Jakub Kosakowski | 0-1 | 63 | Open |
| 764 | 2024-11-26 | Titled Tue 26th Nov Early | chess.com INT | 2 | Artem Koval | Jakub Kosakowski | 1/2-1/2 | 21 | Open |
| 765 | 2024-11-26 | Titled Tue 26th Nov Early | chess.com INT | 1 | Jakub Kosakowski | Konstantin Begunov | 1-0 | 44 | Open |
| 766 | 2024-11-26 | Titled Tue 26th Nov Early | chess.com INT | 11 | Jakub Kosakowski | Nikolai Vlassov | 0-1 | 32 | Open |
| 767 | 2024-11-26 | Titled Tue 26th Nov Early | chess.com INT | 10 | Jakub Kosakowski | Benjamin Finegold | 0-1 | 41 | Open |
| 768 | 2024-11-19 | 24th ch-EUR Indiv 2024 | Petrovac MNE | 11.13 | Jakub Kosakowski | Daniele Vocaturo | 1/2-1/2 | 23 | Open |
| 769 | 2024-11-18 | 24th ch-EUR Indiv 2024 | Petrovac MNE | 10.22 | Manuel Petrosyan | Jakub Kosakowski | 0-1 | 50 | Open |
| 770 | 2024-11-17 | 24th ch-EUR Indiv 2024 | Petrovac MNE | 9.27 | Jakub Kosakowski | Jonas Buhl Bjerre | 1-0 | 29 | Open |
| 771 | 2024-11-16 | 24th ch-EUR Indiv 2024 | Petrovac MNE | 8.16 | Jaime Santos Latasa | Jakub Kosakowski | 1-0 | 60 | Open |
| 772 | 2024-11-15 | 24th ch-EUR Indiv 2024 | Petrovac MNE | 7.29 | Jakub Kosakowski | Ediz Gurel | 1-0 | 60 | Open |
| 773 | 2024-11-13 | 24th ch-EUR Indiv 2024 | Petrovac MNE | 6.22 | Nils Grandelius | Jakub Kosakowski | 1/2-1/2 | 81 | Open |
| 774 | 2024-11-12 | 24th ch-EUR Indiv 2024 | Petrovac MNE | 5.66 | Jakub Kosakowski | Orkhan Abdulov | 1-0 | 87 | Open |
| 775 | 2024-11-11 | 24th ch-EUR Indiv 2024 | Petrovac MNE | 4.22 | Nikita Petrov | Jakub Kosakowski | 1-0 | 23 | Open |
| 776 | 2024-11-10 | 24th ch-EUR Indiv 2024 | Petrovac MNE | 3.68 | Jakub Kosakowski | Iulian Baltag | 1-0 | 33 | Open |
| 777 | 2024-11-09 | 24th ch-EUR Indiv 2024 | Petrovac MNE | 2.76 | Matjaz Mikac | Jakub Kosakowski | 1/2-1/2 | 17 | Open |
| 778 | 2024-11-08 | 24th ch-EUR Indiv 2024 | Petrovac MNE | 1.96 | Jakub Kosakowski | Mikhail Gusev | 1-0 | 20 | Open |
| 779 | 2024-11-05 | Titled Tue 5th Nov Early | chess.com INT | 9 | Ethan Saya | Jakub Kosakowski | 0-1 | 63 | Open |
| 780 | 2024-11-05 | Titled Tue 5th Nov Early | chess.com INT | 8 | Jakub Kosakowski | Alexandra Kosteniuk | 0-1 | 66 | Open |
| 781 | 2024-11-05 | Titled Tue 5th Nov Early | chess.com INT | 7 | Zurab Javakhadze | Jakub Kosakowski | 1-0 | 39 | Open |
| 782 | 2024-11-05 | Titled Tue 5th Nov Early | chess.com INT | 6 | Krzysztof Jakubowski | Jakub Kosakowski | 0-1 | 54 | Open |
| 783 | 2024-11-05 | Titled Tue 5th Nov Early | chess.com INT | 5 | Jakub Kosakowski | Ruben Domingo Nunez | 1-0 | 34 | Open |
| 784 | 2024-11-05 | Titled Tue 5th Nov Early | chess.com INT | 4 | Allahverdi Hamidov | Jakub Kosakowski | 1-0 | 46 | Open |
| 785 | 2024-11-05 | Titled Tue 5th Nov Early | chess.com INT | 3 | Jakub Kosakowski | Aarav A | 1-0 | 28 | Open |
| 786 | 2024-11-05 | Titled Tue 5th Nov Early | chess.com INT | 2 | Rob Schoorl | Jakub Kosakowski | 0-1 | 56 | Open |
| 787 | 2024-11-05 | Titled Tue 5th Nov Early | chess.com INT | 1 | Jakub Kosakowski | Ali Mortazavi | 1-0 | 81 | Open |
| 788 | 2024-11-05 | Titled Tue 5th Nov Early | chess.com INT | 11 | Jakub Kosakowski | Beksultan Moldagali | 1-0 | 34 | Open |
| 789 | 2024-11-05 | Titled Tue 5th Nov Early | chess.com INT | 10 | Mark Smirnov | Jakub Kosakowski | 1-0 | 27 | Open |
| 790 | 2024-10-29 | Titled Tue 29th Oct Late | chess.com INT | 9 | Jakub Kosakowski | Randi-Ioan Gales | 1-0 | 40 | Open |
| 791 | 2024-10-29 | Titled Tue 29th Oct Early | chess.com INT | 9 | Jan-Krzysztof Duda | Jakub Kosakowski | 0-1 | 43 | Open |
| 792 | 2024-10-29 | Titled Tue 29th Oct Early | chess.com INT | 8 | Nikita Matinian | Jakub Kosakowski | 0-1 | 3 | Open |
| 793 | 2024-10-29 | Titled Tue 29th Oct Late | chess.com INT | 8 | Cristi Machidon | Jakub Kosakowski | 0-1 | 40 | Open |
| 794 | 2024-10-29 | Titled Tue 29th Oct Late | chess.com INT | 7 | Yuri Zhizmer | Jakub Kosakowski | 1-0 | 39 | Open |
| 795 | 2024-10-29 | Titled Tue 29th Oct Early | chess.com INT | 7 | Jakub Kosakowski | Alexandr Triapishko | 0-1 | 35 | Open |
| 796 | 2024-10-29 | Titled Tue 29th Oct Early | chess.com INT | 6 | Jakub Kosakowski | Piotr Brzezina | 1-0 | 48 | Open |
| 797 | 2024-10-29 | Titled Tue 29th Oct Late | chess.com INT | 6 | Jakub Kosakowski | Khagan Ahmad | 1/2-1/2 | 64 | Open |
| 798 | 2024-10-29 | Titled Tue 29th Oct Late | chess.com INT | 5 | Jakub Kosakowski | Pavel Eljanov | 0-1 | 45 | Open |
| 799 | 2024-10-29 | Titled Tue 29th Oct Early | chess.com INT | 5 | Mark Timmermans | Jakub Kosakowski | 0-1 | 53 | Open |
| 800 | 2024-10-29 | Titled Tue 29th Oct Late | chess.com INT | 4 | Seyed Abolfazl Moosavifar | Jakub Kosakowski | 0-1 | 43 | Open |
| 801 | 2024-10-29 | Titled Tue 29th Oct Early | chess.com INT | 4 | Magnus Carlsen | Jakub Kosakowski | 1-0 | 60 | Open |
| 802 | 2024-10-29 | Titled Tue 29th Oct Late | chess.com INT | 3 | Jakub Kosakowski | Alberto Barp | 1/2-1/2 | 105 | Open |
| 803 | 2024-10-29 | Titled Tue 29th Oct Early | chess.com INT | 3 | Jakub Kosakowski | Keith Khumalo | 1-0 | 23 | Open |
| 804 | 2024-10-29 | Titled Tue 29th Oct Early | chess.com INT | 2 | Roman Ovetchkin | Jakub Kosakowski | 0-1 | 37 | Open |
| 805 | 2024-10-29 | Titled Tue 29th Oct Late | chess.com INT | 2 | Jakub Kosakowski | Pablo Zarnicki | 1-0 | 53 | Open |
| 806 | 2024-10-29 | Titled Tue 29th Oct Late | chess.com INT | 1 | Robert Hungaski | Jakub Kosakowski | 0-1 | 38 | Open |
| 807 | 2024-10-29 | Titled Tue 29th Oct Early | chess.com INT | 1 | Jakub Kosakowski | Henning Holinka | 1-0 | 29 | Open |
| 808 | 2024-10-29 | Titled Tue 29th Oct Early | chess.com INT | 11 | Aleksandr E. Usov | Jakub Kosakowski | 0-1 | 54 | Open |
| 809 | 2024-10-29 | Titled Tue 29th Oct Late | chess.com INT | 11 | Jakub Kosakowski | Gleb Dudin | 1-0 | 23 | Open |
| 810 | 2024-10-29 | Titled Tue 29th Oct Late | chess.com INT | 10 | David Larino Nieto | Jakub Kosakowski | 0-1 | 45 | Open |
| 811 | 2024-10-29 | Titled Tue 29th Oct Early | chess.com INT | 10 | Jakub Kosakowski | David Paravyan | 0-1 | 36 | Open |
| 812 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 9 | Roman Novoselov | Jakub Kosakowski | 0-1 | 47 | Open |
| 813 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 9 | Marco Riehle | Jakub Kosakowski | 1-0 | 79 | Open |
| 814 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 8 | Artem Dyachuk | Jakub Kosakowski | 0-1 | 31 | Open |
| 815 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 8 | Andrew Tang | Jakub Kosakowski | 1-0 | 34 | Open |
| 816 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 7 | Jakub Kosakowski | Jan Gustafsson | 0-1 | 30 | Open |
| 817 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 7 | Jakub Kosakowski | Aleksandr Shimanov | 1-0 | 27 | Open |
| 818 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 6 | Daniel Hermawan Lumban Tobing | Jakub Kosakowski | 0-1 | 25 | Open |
| 819 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 6 | Alejandro Domingo Nunez | Jakub Kosakowski | 0-1 | 45 | Open |
| 820 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 5 | Jakub Kosakowski | Aleksandr Shimanov | 0-1 | 37 | Open |
| 821 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 5 | Jakub Kosakowski | Jeffery Xiong | 0-1 | 23 | Open |
| 822 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 4 | Jose Eduardo Martinez Alcantara | Jakub Kosakowski | 0-1 | 58 | Open |
| 823 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 4 | Jakub Kosakowski | Tymur Keleberda | 1-0 | 71 | Open |
| 824 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 3 | Boris Abrashkin | Jakub Kosakowski | 0-1 | 24 | Open |
| 825 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 3 | Richard Zheng | Jakub Kosakowski | 0-1 | 32 | Open |
| 826 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 2 | Jakub Kosakowski | Jaan Ehlvest | 1-0 | 37 | Open |
| 827 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 2 | Jakub Kosakowski | Dawda Vihaan | 1-0 | 49 | Open |
| 828 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 1 | Daniel Gutierrez Olivares | Jakub Kosakowski | 0-1 | 31 | Open |
| 829 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 1 | Vitor Hugo Vieira Ferreira | Jakub Kosakowski | 0-1 | 41 | Open |
| 830 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 11 | Mendes Aaron Reeve | Jakub Kosakowski | 0-1 | 33 | Open |
| 831 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 11 | Jakub Kosakowski | Viktor Skliarov | 1-0 | 30 | Open |
| 832 | 2024-10-22 | Titled Tue 22nd Oct Early | chess.com INT | 10 | Jakub Kosakowski | Lennis Martinez Ramirez | 1-0 | 54 | Open |
| 833 | 2024-10-22 | Titled Tue 22nd Oct Late | chess.com INT | 10 | Jakub Kosakowski | Alexander Fishbein | 1-0 | 31 | Open |
| 834 | 2024-10-15 | Titled Tue 15th Oct Early | chess.com INT | 9 | Jakub Kosakowski | Dmitry Fomkin | 1-0 | 28 | Open |
| 835 | 2024-10-15 | Titled Tue 15th Oct Early | chess.com INT | 8 | Kaiqi Yang | Jakub Kosakowski | 0-1 | 46 | Open |
| 836 | 2024-10-15 | Titled Tue 15th Oct Early | chess.com INT | 7 | Uurtsaikh Agibileg | Jakub Kosakowski | 1-0 | 49 | Open |
| 837 | 2024-10-15 | Titled Tue 15th Oct Early | chess.com INT | 6 | Jakub Kosakowski | Ranindu Dilshan Liyanage | 0-1 | 50 | Open |
| 838 | 2024-10-15 | Titled Tue 15th Oct Early | chess.com INT | 5 | Vivaan Vishal Shah | Jakub Kosakowski | 0-1 | 56 | Open |
| 839 | 2024-10-15 | Titled Tue 15th Oct Early | chess.com INT | 4 | Jakub Kosakowski | Tarun Kanyamarala | 1-0 | 30 | Open |
| 840 | 2024-10-15 | Titled Tue 15th Oct Early | chess.com INT | 3 | Georgijs Germanovs | Jakub Kosakowski | 0-1 | 36 | Open |
| 841 | 2024-10-15 | Titled Tue 15th Oct Early | chess.com INT | 2 | Jakub Kosakowski | Cristhian Portal Ramos | 1-0 | 52 | Open |
| 842 | 2024-10-15 | Titled Tue 15th Oct Early | chess.com INT | 1 | Linus Olsson | Jakub Kosakowski | 1-0 | 45 | Open |
| 843 | 2024-10-15 | Titled Tue 15th Oct Early | chess.com INT | 11 | Bayastan Sydykov | Jakub Kosakowski | 0-1 | 64 | Open |
| 844 | 2024-10-15 | Titled Tue 15th Oct Early | chess.com INT | 10 | Jakub Kosakowski | Duc Minh Lai | 1-0 | 25 | Open |
| 845 | 2024-10-13 | 32nd TCh-CRO Div 1b 2024 | Veli Losinj CRO | 9.1 | Florian Kaczur | Jakub Kosakowski | 1/2-1/2 | 38 | Open |
| 846 | 2024-10-12 | 32nd TCh-CRO Div 1b 2024 | Veli Losinj CRO | 8.1 | Jakub Kosakowski | Tobias Koelle | 1-0 | 42 | Open |
| 847 | 2024-10-11 | 32nd TCh-CRO Div 1b 2024 | Veli Losinj CRO | 7.1 | Zbynek Hracek | Jakub Kosakowski | 1-0 | 55 | Open |
| 848 | 2024-10-10 | 32nd TCh-CRO Div 1b 2024 | Veli Losinj CRO | 6.1 | Jakub Kosakowski | Matic Lavrencic | 1/2-1/2 | 38 | Open |
| 849 | 2024-10-09 | 32nd TCh-CRO Div 1b 2024 | Veli Losinj CRO | 5.1 | Gabor Nagy | Jakub Kosakowski | 1/2-1/2 | 30 | Open |
| 850 | 2024-10-08 | 32nd TCh-CRO Div 1b 2024 | Veli Losinj CRO | 4.1 | Jakub Kosakowski | Ibro Saric | 1/2-1/2 | 38 | Open |
| 851 | 2024-10-07 | 32nd TCh-CRO Div 1b 2024 | Veli Losinj CRO | 3.1 | Peter Michalik | Jakub Kosakowski | 1/2-1/2 | 53 | Open |
| 852 | 2024-10-06 | 32nd TCh-CRO Div 1b 2024 | Veli Losinj CRO | 2.1 | Jakub Kosakowski | Kiril Georgiev | 1/2-1/2 | 21 | Open |
| 853 | 2024-10-05 | 32nd TCh-CRO Div 1b 2024 | Veli Losinj CRO | 1.1 | Jakub Kosakowski | Tor Fredrik Kaasen | 1-0 | 53 | Open |
| 854 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 9 | Roman Novoselov | Jakub Kosakowski | 0-1 | 49 | Open |
| 855 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 8 | Jakub Kosakowski | Tarun Kanyamarala | 1-0 | 25 | Open |
| 856 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 7 | Beksultan Moldagali | Jakub Kosakowski | 0-1 | 38 | Open |
| 857 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 6 | Jakub Kosakowski | Richard Stalmach | 0-1 | 45 | Open |
| 858 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 5 | Aleksandra Goryachkina | Jakub Kosakowski | 1-0 | 31 | Open |
| 859 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 4 | Jakub Kosakowski | David Anton Guijarro | 0-1 | 50 | Open |
| 860 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 3 | Andrei Ioan Trifan | Jakub Kosakowski | 0-1 | 54 | Open |
| 861 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 2 | Jakub Kosakowski | Melih Yurtseven | 1-0 | 44 | Open |
| 862 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 1 | Lucius Melillo | Jakub Kosakowski | 0-1 | 54 | Open |
| 863 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 11 | Jakub Kosakowski | Rafael A Vaganian | 1-0 | 26 | Open |
| 864 | 2024-10-01 | Titled Tue 1st Oct Early | chess.com INT | 10 | Azer Mirzoev | Jakub Kosakowski | 1-0 | 53 | Open |
| 865 | 2024-09-24 | Titled Tue 24th Sep Late | chess.com INT | 9 | Julian Antonio Rojas Alarcon | Jakub Kosakowski | 1-0 | 40 | Open |
| 866 | 2024-09-24 | Titled Tue 24th Sep Late | chess.com INT | 8 | Jakub Kosakowski | Jan Kokoszczynski | 1-0 | 33 | Open |
| 867 | 2024-09-24 | Titled Tue 24th Sep Late | chess.com INT | 7 | Hans Moke Niemann | Jakub Kosakowski | 1-0 | 44 | Open |
| 868 | 2024-09-24 | Titled Tue 24th Sep Late | chess.com INT | 6 | Melih Yurtseven | Jakub Kosakowski | 0-1 | 42 | Open |
| 869 | 2024-09-24 | Titled Tue 24th Sep Late | chess.com INT | 5 | Jakub Kosakowski | Vincent Keymer | 0-1 | 87 | Open |
| 870 | 2024-09-24 | Titled Tue 24th Sep Early | chess.com INT | 5 | Jakub Kosakowski | Teodor-Mihnea Voicu | 1-0 | 29 | Open |
| 871 | 2024-09-24 | Titled Tue 24th Sep Late | chess.com INT | 4 | Gabriel Lenoir Ibacache | Jakub Kosakowski | 0-1 | 23 | Open |
| 872 | 2024-09-24 | Titled Tue 24th Sep Early | chess.com INT | 4 | Olexandr Bortnyk | Jakub Kosakowski | 1-0 | 31 | Open |
| 873 | 2024-09-24 | Titled Tue 24th Sep Early | chess.com INT | 3 | Jakub Kosakowski | Semyon Puzyrevsky | 1-0 | 35 | Open |
| 874 | 2024-09-24 | Titled Tue 24th Sep Late | chess.com INT | 3 | Jakub Kosakowski | Eelke De Boer | 1-0 | 38 | Open |
| 875 | 2024-09-24 | Titled Tue 24th Sep Late | chess.com INT | 2 | Evgeny Egorov | Jakub Kosakowski | 0-1 | 33 | Open |
| 876 | 2024-09-24 | Titled Tue 24th Sep Early | chess.com INT | 2 | Jakub Kosakowski | Rodolfos Stamatiou | 1-0 | 38 | Open |
| 877 | 2024-09-24 | Titled Tue 24th Sep Early | chess.com INT | 1 | Lile Koridze | Jakub Kosakowski | 0-1 | 25 | Open |
| 878 | 2024-09-24 | Titled Tue 24th Sep Late | chess.com INT | 1 | Jakub Kosakowski | Ivan Kochiev | 1-0 | 36 | Open |
| 879 | 2024-09-24 | Titled Tue 24th Sep Late | chess.com INT | 11 | Jakub Kosakowski | Dawid Niekras | 1-0 | 51 | Open |
| 880 | 2024-09-24 | Titled Tue 24th Sep Late | chess.com INT | 10 | Jakub Kosakowski | Barad Yeganegi | 1-0 | 81 | Open |
| 881 | 2024-09-22 | TCh-POL 1st League 2024 | Darlowo POL | 9.3 | Jakub Kosakowski | Nicolai Kistrup | 1-0 | 63 | Open |
| 882 | 2024-09-21 | TCh-POL 1st League 2024 | Darlowo POL | 8.3 | Piotr Nguyen | Jakub Kosakowski | 1/2-1/2 | 9 | Open |
| 883 | 2024-09-20 | TCh-POL 1st League 2024 | Darlowo POL | 7.3 | Jakub Kosakowski | Jan Golenia | 1-0 | 26 | Open |
| 884 | 2024-09-19 | TCh-POL 1st League 2024 | Darlowo POL | 6.3 | Krzysztof Lukasiewicz | Jakub Kosakowski | 1/2-1/2 | 59 | Open |
| 885 | 2024-09-18 | TCh-POL 1st League 2024 | Darlowo POL | 5.3 | Jakub Kosakowski | Rafal Antoniewski | 1-0 | 66 | Open |
| 886 | 2024-09-17 | TCh-POL 1st League 2024 | Darlowo POL | 4.15 | Jan Wojdak | Jakub Kosakowski | 1/2-1/2 | 25 | Open |
| 887 | 2024-09-16 | TCh-POL 1st League 2024 | Darlowo POL | 3.27 | Jakub Kosakowski | Jakub Janeczko | 1-0 | 25 | Open |
| 888 | 2024-09-15 | TCh-POL 1st League 2024 | Darlowo POL | 2.9 | Michal Miroslaw | Jakub Kosakowski | 0-1 | 40 | Open |
| 889 | 2024-09-14 | TCh-POL 1st League 2024 | Darlowo POL | 1.3 | Jakub Kosakowski | Patryk Chylewski | 1/2-1/2 | 44 | Open |
| 890 | 2024-09-10 | Titled Tue 10th Sep Early | chess.com INT | 9 | Jakub Kosakowski | Anna Shukhman | 1/2-1/2 | 87 | Open |
| 891 | 2024-09-10 | Titled Tue 10th Sep Early | chess.com INT | 8 | Meri Arabidze | Jakub Kosakowski | 0-1 | 20 | Open |
| 892 | 2024-09-10 | Titled Tue 10th Sep Early | chess.com INT | 7 | Jakub Kosakowski | Rudik Makarian | 0-1 | 44 | Open |
| 893 | 2024-09-10 | Titled Tue 10th Sep Early | chess.com INT | 6 | Nicolas Perossa | Jakub Kosakowski | 0-1 | 38 | Open |
| 894 | 2024-09-10 | Titled Tue 10th Sep Early | chess.com INT | 5 | Jakub Kosakowski | Maksim Volkov | 1-0 | 22 | Open |
| 895 | 2024-09-10 | Titled Tue 10th Sep Early | chess.com INT | 4 | Nikolas Theodorou | Jakub Kosakowski | 1-0 | 37 | Open |
| 896 | 2024-09-10 | Titled Tue 10th Sep Early | chess.com INT | 3 | Maksims Golubovskis | Jakub Kosakowski | 0-1 | 36 | Open |
| 897 | 2024-09-10 | Titled Tue 10th Sep Early | chess.com INT | 2 | Jakub Kosakowski | Jonas Rosner | 1-0 | 32 | Open |
| 898 | 2024-09-10 | Titled Tue 10th Sep Early | chess.com INT | 1 | Sebastien Azar | Jakub Kosakowski | 0-1 | 39 | Open |
| 899 | 2024-09-10 | Titled Tue 10th Sep Early | chess.com INT | 11 | Jakub Kosakowski | Grigoriy Oparin | 0-1 | 64 | Open |
| 900 | 2024-09-10 | Titled Tue 10th Sep Early | chess.com INT | 10 | Khagan Ahmad | Jakub Kosakowski | 0-1 | 60 | Open |
| 901 | 2024-08-25 | Smuk Skak GM 2024 | Skanderborg DEN | 9.1 | Lukasz Licznerski | Jakub Kosakowski | 1/2-1/2 | 5 | Open |
| 902 | 2024-08-24 | Smuk Skak GM 2024 | Skanderborg DEN | 8.1 | Jakub Kosakowski | Filip Boe Olsen | 1-0 | 33 | Open |
| 903 | 2024-08-23 | Smuk Skak GM 2024 | Skanderborg DEN | 7.1 | Jakub Kosakowski | Gergely Aczel | 1/2-1/2 | 46 | Open |
| 904 | 2024-08-22 | Smuk Skak GM 2024 | Skanderborg DEN | 6.1 | Marius Fromm | Jakub Kosakowski | 0-1 | 44 | Open |
| 905 | 2024-08-21 | Smuk Skak GM 2024 | Skanderborg DEN | 5.2 | Jakub Kosakowski | Yuri Solodovnichenko | 1-0 | 41 | Open |
| 906 | 2024-08-20 | Smuk Skak GM 2024 | Skanderborg DEN | 4.1 | Jakob Leon Pajeken | Jakub Kosakowski | 1/2-1/2 | 70 | Open |
| 907 | 2024-08-19 | Smuk Skak GM 2024 | Skanderborg DEN | 3.3 | Jakub Kosakowski | Jesper Sondergaard Thybo | 1/2-1/2 | 54 | Open |
| 908 | 2024-08-18 | Smuk Skak GM 2024 | Skanderborg DEN | 2.3 | Uffe Vinter-Schou | Jakub Kosakowski | 0-1 | 23 | Open |
| 909 | 2024-08-17 | Smuk Skak GM 2024 | Skanderborg DEN | 1.4 | Jakub Kosakowski | Nikola Kanov | 1/2-1/2 | 69 | Open |
| 910 | 2024-07-28 | 2nd Dole Open 2024 | Aix-en-Provence FRA | 9.6 | V Pranav | Jakub Kosakowski | 1/2-1/2 | 67 | Open |
| 911 | 2024-07-27 | 2nd Dole Open 2024 | Aix-en-Provence FRA | 8.1 | Jakub Kosakowski | Gopal G.N. | 1/2-1/2 | 74 | Open |
| 912 | 2024-07-25 | 2nd Dole Open 2024 | Aix-en-Provence FRA | 6.6 | Jakub Kosakowski | Daniil Yuffa | 0-1 | 35 | Open |
| 913 | 2024-07-08 | Jana Maciei Mem 2024 | Warsaw POL | 9.1 | Jan Klimkowski | Jakub Kosakowski | 1/2-1/2 | 39 | Open |
| 914 | 2024-07-08 | Jana Maciei Mem 2024 | Warsaw POL | 8.3 | Jakub Kosakowski | Jakub Seemann | 1-0 | 50 | Open |
| 915 | 2024-07-08 | Jana Maciei Mem 2024 | Warsaw POL | 7.4 | Gahan M G | Jakub Kosakowski | 0-1 | 24 | Open |
| 916 | 2024-07-08 | Jana Maciei Mem 2024 | Warsaw POL | 6.6 | Jakub Kosakowski | Piotr Mickiewicz | 1-0 | 44 | Open |
| 917 | 2024-07-08 | Jana Maciei Mem 2024 | Warsaw POL | 5.11 | Carlos Alvarado | Jakub Kosakowski | 0-1 | 37 | Open |
| 918 | 2024-07-08 | Jana Maciei Mem 2024 | Warsaw POL | 4.2 | Jakub Kosakowski | Egor Bogdanov | 0-1 | 17 | Open |
| 919 | 2024-07-08 | Jana Maciei Mem 2024 | Warsaw POL | 3.4 | Jolanta Zawadzka | Jakub Kosakowski | 0-1 | 51 | Open |
| 920 | 2024-07-08 | Jana Maciei Mem 2024 | Warsaw POL | 2.4 | Jakub Kosakowski | Patil Harshal | 1-0 | 36 | Open |
| 921 | 2024-07-08 | Jana Maciei Mem 2024 | Warsaw POL | 11.6 | Jan Malek | Jakub Kosakowski | 0-1 | 43 | Open |
| 922 | 2024-07-08 | Jana Maciei Mem 2024 | Warsaw POL | 10.2 | Jakub Kosakowski | Kacper Piorun | 0-1 | 50 | Open |
| 923 | 2024-07-08 | Jana Maciei Mem 2024 | Warsaw POL | 1.4 | Maksymilian Nowakowski | Jakub Kosakowski | 0-1 | 59 | Open |
| 924 | 2024-06-29 | Krakow International 2024 | Krakow POL | 9.1 | Eduardas Rozentalis | Jakub Kosakowski | 1/2-1/2 | 33 | Open |
| 925 | 2024-06-28 | Krakow International 2024 | Krakow POL | 8.1 | Jakub Kosakowski | Szymon Gumularz | 1/2-1/2 | 35 | Open |
| 926 | 2024-06-27 | Krakow International 2024 | Krakow POL | 7.4 | Azer Mirzoev | Jakub Kosakowski | 0-1 | 54 | Open |
| 927 | 2024-06-26 | Krakow International 2024 | Krakow POL | 6.3 | Jakub Kosakowski | Kacper Drozdowski | 1/2-1/2 | 41 | Open |
| 928 | 2024-06-25 | Krakow International 2024 | Krakow POL | 5.6 | Aleksa Petrovic | Jakub Kosakowski | 0-1 | 67 | Open |
| 929 | 2024-06-24 | Krakow International 2024 | Krakow POL | 4.3 | Jakub Kosakowski | Marcin Sieciechowicz | 1/2-1/2 | 39 | Open |
| 930 | 2024-06-23 | Krakow International 2024 | Krakow POL | 3.8 | Jakub Janeczko | Jakub Kosakowski | 0-1 | 30 | Open |
| 931 | 2024-06-23 | Krakow International 2024 | Krakow POL | 2.16 | Jakub Kosakowski | Devnani Kush | 1-0 | 35 | Open |
| 932 | 2024-06-22 | Krakow International 2024 | Krakow POL | 1.8 | Ilija Stanojevic | Jakub Kosakowski | 1/2-1/2 | 53 | Open |
| 933 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 9 | Jakub Kosakowski | Tuan Minh Le | 1-0 | 54 | Open |
| 934 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 8 | Daniel Rangel | Jakub Kosakowski | 0-1 | 31 | Open |
| 935 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 7 | Jakub Kosakowski | Egor A. Koshulyan | 1-0 | 67 | Open |
| 936 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 6 | Alireza Firouzja | Jakub Kosakowski | 1-0 | 26 | Open |
| 937 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 5 | Iung Alicio de O. Pinheiro | Jakub Kosakowski | 0-1 | 44 | Open |
| 938 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 4 | Jakub Kosakowski | Vahap Sanal | 0-1 | 57 | Open |
| 939 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 3 | Jakub Kosakowski | Gil Barak | 1-0 | 22 | Open |
| 940 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 2 | Oleg Papayan | Jakub Kosakowski | 0-1 | 40 | Open |
| 941 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 1 | Jakub Kosakowski | Santiago Rodriguez | 1-0 | 29 | Open |
| 942 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 11 | Jakub Kosakowski | Matthias Bluebaum | 1/2-1/2 | 137 | Open |
| 943 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 10 | Milosz Szpar | Jakub Kosakowski | 0-1 | 40 | Open |
| 944 | 2024-05-30 | 81st PGNig ch-POL 2024 | Rzeszow POL | 9.1 | Radoslaw Wojtaszek | Jakub Kosakowski | 1-0 | 57 | Open |
| 945 | 2024-05-29 | 81st PGNig ch-POL 2024 | Rzeszow POL | 8.3 | Jakub Kosakowski | Wojciech Moranda | 0-1 | 42 | Open |
| 946 | 2024-05-28 | 81st PGNig ch-POL 2024 | Rzeszow POL | 7.4 | Jakub Kosakowski | Szymon Gumularz | 1/2-1/2 | 34 | Open |
| 947 | 2024-05-27 | 81st PGNig ch-POL 2024 | Rzeszow POL | 6.4 | Radoslaw Psyk | Jakub Kosakowski | 0-1 | 39 | Open |
| 948 | 2024-05-26 | 81st PGNig ch-POL 2024 | Rzeszow POL | 5.4 | Jakub Kosakowski | Bartosz Socko | 0-1 | 79 | Open |
| 949 | 2024-05-25 | 81st PGNig ch-POL 2024 | Rzeszow POL | 4.4 | Michal Koziorowicz | Jakub Kosakowski | 0-1 | 24 | Open |
| 950 | 2024-05-24 | 81st PGNig ch-POL 2024 | Rzeszow POL | 3.4 | Jakub Kosakowski | Jacek Tomczak | 1/2-1/2 | 33 | Open |
| 951 | 2024-05-23 | 81st PGNig ch-POL 2024 | Rzeszow POL | 2.3 | Kacper Piorun | Jakub Kosakowski | 1/2-1/2 | 51 | Open |
| 952 | 2024-05-22 | 81st PGNig ch-POL 2024 | Rzeszow POL | 1.2 | Jakub Kosakowski | Mateusz Bartel | 1/2-1/2 | 34 | Open |
| 953 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 9 | Jakub Kosakowski | Jain Jeet | 1-0 | 33 | Open |
| 954 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 8 | Faustino Oro | Jakub Kosakowski | 1-0 | 65 | Open |
| 955 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 7 | Jakub Kosakowski | Vedic Panda | 1-0 | 76 | Open |
| 956 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 6 | Yuliia Osmak | Jakub Kosakowski | 0-1 | 46 | Open |
| 957 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 5 | Jakub Kosakowski | Ian Nepomniachtchi | 0-1 | 59 | Open |
| 958 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 4 | Jakub Kosakowski | Dragos-Andrei Antonica | 1-0 | 34 | Open |
| 959 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 3 | David Henry Maycock Bates | Jakub Kosakowski | 0-1 | 42 | Open |
| 960 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 2 | Nikolaos Aggelis | Jakub Kosakowski | 1-0 | 71 | Open |
| 961 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 1 | Jakub Kosakowski | Hayk Mirimanian | 1-0 | 40 | Open |
| 962 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 11 | Melih Yurtseven | Jakub Kosakowski | 1-0 | 58 | Open |
| 963 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 10 | Jakub Kosakowski | Alexei Shirov | 1/2-1/2 | 56 | Open |
| 964 | 2024-05-02 | Piraeus GM Apr 2024 | Piraeus GRE | 9.2 | Dimitris Alexakis | Jakub Kosakowski | 1-0 | 41 | Open |
| 965 | 2024-05-01 | Piraeus GM Apr 2024 | Piraeus GRE | 8.5 | Jakub Kosakowski | Petros Rahmanidis | 1-0 | 34 | Open |
| 966 | 2024-04-30 | Piraeus GM Apr 2024 | Piraeus GRE | 7.1 | Jakub Kosakowski | Milosz Szpar | 1/2-1/2 | 29 | Open |
| 967 | 2024-04-29 | Piraeus GM Apr 2024 | Piraeus GRE | 6.5 | Sahib Singh | Jakub Kosakowski | 0-1 | 43 | Open |
| 968 | 2024-04-28 | Piraeus GM Apr 2024 | Piraeus GRE | 5.2 | Jakub Kosakowski | Vasilios Kotronias | 0-1 | 39 | Open |
| 969 | 2024-04-28 | Piraeus GM Apr 2024 | Piraeus GRE | 4.4 | Adarsh Tripathi | Jakub Kosakowski | 1/2-1/2 | 50 | Open |
| 970 | 2024-04-27 | Piraeus GM Apr 2024 | Piraeus GRE | 3.3 | Jakub Kosakowski | Spyridon Kapnisis | 1-0 | 38 | Open |
| 971 | 2024-04-26 | Piraeus GM Apr 2024 | Piraeus GRE | 2.3 | Christos Krallis | Jakub Kosakowski | 0-1 | 55 | Open |
| 972 | 2024-04-25 | Piraeus GM Apr 2024 | Piraeus GRE | 1.4 | Jakub Kosakowski | Ioannis Nikolaidis | 1-0 | 32 | Open |
| 973 | 2024-04-07 | III Menorca Open 2024 | Ciutadella de Menorca ESP | 9.14 | Ido Gorshtein | Jakub Kosakowski | 1-0 | 39 | Open |
| 974 | 2024-04-03 | III Menorca Open 2024 | Ciutadella de Menorca ESP | 3.7 | Daniel Dardha | Jakub Kosakowski | 1-0 | 31 | Open |
| 975 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 9 | Jakub Kosakowski | Anh Dung Le | 1-0 | 50 | Open |
| 976 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 8 | Mohamed Ezat | Jakub Kosakowski | 1-0 | 37 | Open |
| 977 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 7 | Jakub Kosakowski | Licael Roderick Ticona Rocabado | 0-1 | 58 | Open |
| 978 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 6 | Amir Ali Ghafourian | Jakub Kosakowski | 1/2-1/2 | 65 | Open |
| 979 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 5 | Jakub Kosakowski | Cristiano Gomes De Souza | 1-0 | 23 | Open |
| 980 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 4 | Jakub Kosakowski | Michal Mazurkiewicz | 1-0 | 29 | Open |
| 981 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 3 | Robert Krzesaj | Jakub Kosakowski | 1-0 | 36 | Open |
| 982 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 2 | Jakub Kosakowski | Iung Alicio de O. Pinheiro | 0-1 | 56 | Open |
| 983 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 1 | Eduardo Barbosa Mesquita | Jakub Kosakowski | 0-1 | 30 | Open |
| 984 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 11 | Jakub Kosakowski | Nikolai Vlassov | 1-0 | 36 | Open |
| 985 | 2024-03-26 | Titled Tue 26th Mar Late | chess.com INT | 10 | Mykhaylo Kepeshchuk | Jakub Kosakowski | 0-1 | 23 | Open |
| 986 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 9 | Jakub Kosakowski | Supratit Banerjee | 1-0 | 48 | Open |
| 987 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 8 | Veronika Shubenkova | Jakub Kosakowski | 1-0 | 43 | Open |
| 988 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 7 | Jakub Kosakowski | Ariel Tokman | 1/2-1/2 | 59 | Open |
| 989 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 6 | Valiantsin Yezhel | Jakub Kosakowski | 0-1 | 34 | Open |
| 990 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 5 | Jakub Kosakowski | Ricardo D. D`Arruda | 1-0 | 36 | Open |
| 991 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 4 | Valeriy Grinev | Jakub Kosakowski | 1-0 | 44 | Open |
| 992 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 3 | Jakub Kosakowski | Francesco Bettalli | 1-0 | 50 | Open |
| 993 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 2 | Ilhan Serhat Salman | Jakub Kosakowski | 0-1 | 53 | Open |
| 994 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 1 | Jakub Kosakowski | Jacob Templen Grave | 0-1 | 68 | Open |
| 995 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 11 | Vladimir Zakhartsov | Jakub Kosakowski | 0-1 | 50 | Open |
| 996 | 2024-03-12 | Titled Tue 12th Mar Late | chess.com INT | 10 | Jakub Kosakowski | Shahdad Teimouri Yadkuri | 1-0 | 44 | Open |
| 997 | 2024-03-05 | Titled Tue 5th Mar Late | chess.com INT | 9 | Aleksandar Indjic | Jakub Kosakowski | 1-0 | 29 | Open |
| 998 | 2024-03-05 | Titled Tue 5th Mar Late | chess.com INT | 8 | Jakub Kosakowski | Wojciech Przybylski | 1-0 | 27 | Open |
| 999 | 2024-03-05 | Titled Tue 5th Mar Late | chess.com INT | 7 | Sergiy Zavgorodniy | Jakub Kosakowski | 0-1 | 70 | Open |
| 1000 | 2024-03-05 | Titled Tue 5th Mar Late | chess.com INT | 6 | Jakub Kosakowski | Quang Liem Le | 0-1 | 36 | Open |
| 1001 | 2024-03-05 | Titled Tue 5th Mar Late | chess.com INT | 5 | Jakub Kosakowski | Boris Stankovic | 1-0 | 25 | Open |
| 1002 | 2024-03-05 | Titled Tue 5th Mar Late | chess.com INT | 4 | Tomasz Jaskolka | Jakub Kosakowski | 0-1 | 45 | Open |
| 1003 | 2024-03-05 | Titled Tue 5th Mar Late | chess.com INT | 3 | Jakub Kosakowski | Theo Bressy | 1-0 | 49 | Open |
| 1004 | 2024-03-05 | Titled Tue 5th Mar Late | chess.com INT | 2 | Xavier Martinez Pla | Jakub Kosakowski | 1-0 | 65 | Open |
| 1005 | 2024-03-05 | Titled Tue 5th Mar Late | chess.com INT | 1 | Jakub Kosakowski | Dariusz Dziewonski | 1-0 | 67 | Open |
| 1006 | 2024-03-05 | Titled Tue 5th Mar Late | chess.com INT | 11 | Jakub Kosakowski | Bogdan-Daniel Deac | 0-1 | 78 | Open |
| 1007 | 2024-03-05 | Titled Tue 5th Mar Late | chess.com INT | 10 | Jakub Kosakowski | Sargis A. Manukyan | 1-0 | 46 | Open |
| 1008 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 9 | Jakub Kosakowski | Federico Perez Ponsa | 0-1 | 30 | Open |
| 1009 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 8 | Amir Hosein Kashefi | Jakub Kosakowski | 0-1 | 104 | Open |
| 1010 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 7 | Jakub Kosakowski | Pablo Ismael Acosta | 1-0 | 33 | Open |
| 1011 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 6 | Hrant Melkumyan | Jakub Kosakowski | 1-0 | 37 | Open |
| 1012 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 5 | Licael Roderick Ticona Rocabado | Jakub Kosakowski | 0-1 | 52 | Open |
| 1013 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 4 | Jakub Kosakowski | Wilson Guillermo Palencia Morales | 1-0 | 35 | Open |
| 1014 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 3 | Cristian-Clement Daianu | Jakub Kosakowski | 0-1 | 43 | Open |
| 1015 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 2 | Jakub Kosakowski | Julien Dubreuil | 1-0 | 49 | Open |
| 1016 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 1 | David 1981 Martinez Martin | Jakub Kosakowski | 1-0 | 42 | Open |
| 1017 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 11 | Aryan Tari | Jakub Kosakowski | 1-0 | 35 | Open |
| 1018 | 2024-02-27 | Titled Tue 27th Feb Late | chess.com INT | 10 | Jakub Kosakowski | Joseph F. Bellissimo | 1-0 | 35 | Open |
| 1019 | 2024-02-20 | Titled Tue 20th Feb Late | chess.com INT | 9 | Eduardo Jesus Mendez Fortes | Jakub Kosakowski | 0-1 | 77 | Open |
| 1020 | 2024-02-20 | Titled Tue 20th Feb Late | chess.com INT | 8 | Jakub Kosakowski | Francisco Rubio Tent | 1-0 | 25 | Open |
| 1021 | 2024-02-20 | Titled Tue 20th Feb Late | chess.com INT | 7 | Aaravamudhan Balaji | Jakub Kosakowski | 1-0 | 38 | Open |
| 1022 | 2024-02-20 | Titled Tue 20th Feb Late | chess.com INT | 6 | David Paravyan | Jakub Kosakowski | 1-0 | 43 | Open |
| 1023 | 2024-02-20 | Titled Tue 20th Feb Late | chess.com INT | 5 | Jakub Kosakowski | Stephen Willy | 1-0 | 37 | Open |
| 1024 | 2024-02-20 | Titled Tue 20th Feb Late | chess.com INT | 4 | Pranav Senthilkumar | Jakub Kosakowski | 0-1 | 29 | Open |
| 1025 | 2024-02-20 | Titled Tue 20th Feb Late | chess.com INT | 3 | Jakub Kosakowski | Jose Eduardo Martinez Alcantara | 0-1 | 71 | Open |
| 1026 | 2024-02-20 | Titled Tue 20th Feb Late | chess.com INT | 2 | Jakub Kosakowski | Dominik Marczuk | 1-0 | 30 | Open |
| 1027 | 2024-02-20 | Titled Tue 20th Feb Late | chess.com INT | 1 | Ilya Khakhinov | Jakub Kosakowski | 0-1 | 67 | Open |
| 1028 | 2024-02-20 | Titled Tue 20th Feb Late | chess.com INT | 11 | Todd Andrews | Jakub Kosakowski | 0-1 | 25 | Open |
| 1029 | 2024-02-20 | Titled Tue 20th Feb Late | chess.com INT | 10 | Jakub Kosakowski | Viacheslav Tikhonov | 1/2-1/2 | 95 | Open |
| 1030 | 2024-02-13 | Titled Tue 13th Feb Late | chess.com INT | 9 | Jakub Kosakowski | Aleksandra Goryachkina | 0-1 | 73 | Open |
| 1031 | 2024-02-13 | Titled Tue 13th Feb Late | chess.com INT | 8 | Peter Prohaszka | Jakub Kosakowski | 1-0 | 62 | Open |
| 1032 | 2024-02-13 | Titled Tue 13th Feb Late | chess.com INT | 7 | Jakub Kosakowski | Alberto Martin Fuentes | 1/2-1/2 | 69 | Open |
| 1033 | 2024-02-13 | Titled Tue 13th Feb Late | chess.com INT | 6 | Deepak Aaron | Jakub Kosakowski | 0-1 | 28 | Open |
| 1034 | 2024-02-13 | Titled Tue 13th Feb Late | chess.com INT | 5 | Jakub Kosakowski | Aziz Degenbaev | 0-1 | 26 | Open |
| 1035 | 2024-02-13 | Titled Tue 13th Feb Late | chess.com INT | 4 | Bogdan-Daniel Deac | Jakub Kosakowski | 1-0 | 47 | Open |
| 1036 | 2024-02-13 | Titled Tue 13th Feb Late | chess.com INT | 3 | Jakub Kosakowski | Vladimir Fedoseev | 1-0 | 75 | Open |
| 1037 | 2024-02-13 | Titled Tue 13th Feb Late | chess.com INT | 2 | Jakub Kosakowski | Valeriy Grinev | 1-0 | 31 | Open |
| 1038 | 2024-02-13 | Titled Tue 13th Feb Late | chess.com INT | 1 | Frank Buchenau | Jakub Kosakowski | 0-1 | 22 | Open |
| 1039 | 2024-02-13 | Titled Tue 13th Feb Late | chess.com INT | 11 | Jakub Kosakowski | Mendes Aaron Reeve | 0-1 | 57 | Open |
| 1040 | 2024-02-13 | Titled Tue 13th Feb Late | chess.com INT | 10 | Alexander Reprintsev | Jakub Kosakowski | 0-1 | 62 | Open |
| 1041 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 9 | Benjamin Bok | Jakub Kosakowski | 1-0 | 30 | Open |
| 1042 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 8 | Erigaisi Arjun | Jakub Kosakowski | 1/2-1/2 | 55 | Open |
| 1043 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 7 | Jakub Kosakowski | Alan Pichot | 1-0 | 41 | Open |
| 1044 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 6 | Jonas Prado Lobo | Jakub Kosakowski | 0-1 | 11 | Open |
| 1045 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 5 | Jakub Kosakowski | Viacheslav Tikhonov | 1/2-1/2 | 61 | Open |
| 1046 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 4 | Mohamed Nouali | Jakub Kosakowski | 0-1 | 25 | Open |
| 1047 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 3 | Jakub Kosakowski | Hikaru Nakamura | 0-1 | 49 | Open |
| 1048 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 2 | Jakub Kosakowski | Roman Shton | 1-0 | 45 | Open |
| 1049 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 1 | Carlos Alvarado | Jakub Kosakowski | 0-1 | 24 | Open |
| 1050 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 11 | Jakub Kosakowski | Mahammad Muradli | 1/2-1/2 | 62 | Open |
| 1051 | 2024-02-06 | Titled Tue 6th Feb Late | chess.com INT | 10 | Jakub Kosakowski | Karina Ambartsumova | 1-0 | 40 | Open |
| 1052 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.9 | Jan-Krzysztof Duda | Jakub Kosakowski | 1/2-1/2 | 32 | Open |
| 1053 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.8 | Jakub Kosakowski | Jan-Krzysztof Duda | 1/2-1/2 | 60 | Open |
| 1054 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.7 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | 40 | Open |
| 1055 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.6 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | 59 | Open |
| 1056 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.5 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | 29 | Open |
| 1057 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.4 | Jakub Kosakowski | Jan-Krzysztof Duda | 1/2-1/2 | 58 | Open |
| 1058 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.3 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | 59 | Open |
| 1059 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.2 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | 50 | Open |
| 1060 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.23 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | 47 | Open |
| 1061 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.22 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | 22 | Open |
| 1062 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.21 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | 31 | Open |
| 1063 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.2 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | 61 | Open |
| 1064 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.1 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | 39 | Open |
| 1065 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.19 | Jan-Krzysztof Duda | Jakub Kosakowski | 0-1 | 46 | Open |
| 1066 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.18 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | 35 | Open |
| 1067 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.17 | Jan-Krzysztof Duda | Jakub Kosakowski | 1/2-1/2 | 37 | Open |
| 1068 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.16 | Jakub Kosakowski | Jan-Krzysztof Duda | 1-0 | 40 | Open |
| 1069 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.15 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | 61 | Open |
| 1070 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.14 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | 25 | Open |
| 1071 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.13 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | 33 | Open |
| 1072 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.12 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | 16 | Open |
| 1073 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.11 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | 40 | Open |
| 1074 | 2024-01-28 | chess.com Speed Poland | chess.com INT | 3.1 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | 43 | Open |
| 1075 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.9 | Kacper Piorun | Jakub Kosakowski | 0-1 | 40 | Open |
| 1076 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.8 | Jakub Kosakowski | Kacper Piorun | 1/2-1/2 | 86 | Open |
| 1077 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.7 | Kacper Piorun | Jakub Kosakowski | 0-1 | 37 | Open |
| 1078 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.6 | Jakub Kosakowski | Kacper Piorun | 1-0 | 37 | Open |
| 1079 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.5 | Kacper Piorun | Jakub Kosakowski | 0-1 | 27 | Open |
| 1080 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.4 | Jakub Kosakowski | Kacper Piorun | 1/2-1/2 | 36 | Open |
| 1081 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.3 | Kacper Piorun | Jakub Kosakowski | 1-0 | 36 | Open |
| 1082 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.2 | Jakub Kosakowski | Kacper Piorun | 1/2-1/2 | 41 | Open |
| 1083 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.22 | Jakub Kosakowski | Kacper Piorun | 1-0 | 29 | Open |
| 1084 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.21 | Kacper Piorun | Jakub Kosakowski | 1-0 | 41 | Open |
| 1085 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.2 | Jakub Kosakowski | Kacper Piorun | 1/2-1/2 | 30 | Open |
| 1086 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.1 | Kacper Piorun | Jakub Kosakowski | 0-1 | 48 | Open |
| 1087 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.19 | Kacper Piorun | Jakub Kosakowski | 1-0 | 55 | Open |
| 1088 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.18 | Jakub Kosakowski | Kacper Piorun | 1-0 | 48 | Open |
| 1089 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.17 | Kacper Piorun | Jakub Kosakowski | 1/2-1/2 | 53 | Open |
| 1090 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.16 | Jakub Kosakowski | Kacper Piorun | 1-0 | 49 | Open |
| 1091 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.15 | Kacper Piorun | Jakub Kosakowski | 0-1 | 48 | Open |
| 1092 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.14 | Jakub Kosakowski | Kacper Piorun | 1/2-1/2 | 28 | Open |
| 1093 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.13 | Kacper Piorun | Jakub Kosakowski | 0-1 | 53 | Open |
| 1094 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.12 | Jakub Kosakowski | Kacper Piorun | 1-0 | 39 | Open |
| 1095 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.11 | Kacper Piorun | Jakub Kosakowski | 1/2-1/2 | 58 | Open |
| 1096 | 2024-01-26 | chess.com Speed Poland | chess.com INT | 2.1 | Jakub Kosakowski | Kacper Piorun | 0-1 | 35 | Open |
| 1097 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.9 | Szymon Gumularz | Jakub Kosakowski | 0-1 | 39 | Open |
| 1098 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.8 | Jakub Kosakowski | Szymon Gumularz | 0-1 | 55 | Open |
| 1099 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.7 | Szymon Gumularz | Jakub Kosakowski | 0-1 | 61 | Open |
| 1100 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.6 | Jakub Kosakowski | Szymon Gumularz | 0-1 | 64 | Open |
| 1101 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.5 | Szymon Gumularz | Jakub Kosakowski | 1-0 | 39 | Open |
| 1102 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.4 | Jakub Kosakowski | Szymon Gumularz | 1/2-1/2 | 62 | Open |
| 1103 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.3 | Szymon Gumularz | Jakub Kosakowski | 0-1 | 43 | Open |
| 1104 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.2 | Jakub Kosakowski | Szymon Gumularz | 1/2-1/2 | 89 | Open |
| 1105 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.26 | Szymon Gumularz | Jakub Kosakowski | 0-1 | 48 | Open |
| 1106 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.25 | Szymon Gumularz | Jakub Kosakowski | 0-1 | 88 | Open |
| 1107 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.24 | Jakub Kosakowski | Szymon Gumularz | 0-1 | 34 | Open |
| 1108 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.23 | Szymon Gumularz | Jakub Kosakowski | 1-0 | 40 | Open |
| 1109 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.22 | Jakub Kosakowski | Szymon Gumularz | 1-0 | 36 | Open |
| 1110 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.21 | Szymon Gumularz | Jakub Kosakowski | 1/2-1/2 | 56 | Open |
| 1111 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.2 | Jakub Kosakowski | Szymon Gumularz | 0-1 | 44 | Open |
| 1112 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.1 | Szymon Gumularz | Jakub Kosakowski | 1-0 | 29 | Open |
| 1113 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.19 | Szymon Gumularz | Jakub Kosakowski | 1-0 | 72 | Open |
| 1114 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.18 | Jakub Kosakowski | Szymon Gumularz | 1/2-1/2 | 64 | Open |
| 1115 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.17 | Szymon Gumularz | Jakub Kosakowski | 0-1 | 47 | Open |
| 1116 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.16 | Jakub Kosakowski | Szymon Gumularz | 1-0 | 58 | Open |
| 1117 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.15 | Szymon Gumularz | Jakub Kosakowski | 0-1 | 33 | Open |
| 1118 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.14 | Jakub Kosakowski | Szymon Gumularz | 1/2-1/2 | 39 | Open |
| 1119 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.13 | Szymon Gumularz | Jakub Kosakowski | 1-0 | 35 | Open |
| 1120 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.12 | Jakub Kosakowski | Szymon Gumularz | 1-0 | 72 | Open |
| 1121 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.11 | Szymon Gumularz | Jakub Kosakowski | 1-0 | 55 | Open |
| 1122 | 2024-01-21 | chess.com Speed Poland | chess.com INT | 1.1 | Jakub Kosakowski | Szymon Gumularz | 1-0 | 48 | Open |
| 1123 | 2024-01-11 | Piraeus GM Jan 2024 | Piraeus GRE | 9.3 | Stamatis Kourkoulos-Arditis | Jakub Kosakowski | 1-0 | 46 | Open |
| 1124 | 2024-01-10 | Piraeus GM Jan 2024 | Piraeus GRE | 8.4 | Jakub Kosakowski | Dimitris Alexakis | 1/2-1/2 | 42 | Open |
| 1125 | 2024-01-09 | Piraeus GM Jan 2024 | Piraeus GRE | 7.2 | Jaiveer Mahendru | Jakub Kosakowski | 1-0 | 35 | Open |
| 1126 | 2024-01-08 | Piraeus GM Jan 2024 | Piraeus GRE | 6.5 | Jakub Kosakowski | Tao Pang | 1-0 | 42 | Open |
| 1127 | 2024-01-07 | Piraeus GM Jan 2024 | Piraeus GRE | 5.1 | Jakub Kosakowski | Nagarkatte Vedant | 1/2-1/2 | 39 | Open |
| 1128 | 2024-01-06 | Piraeus GM Jan 2024 | Piraeus GRE | 4.5 | Nikolaos Spyropoulos | Jakub Kosakowski | 1/2-1/2 | 42 | Open |
| 1129 | 2024-01-05 | Piraeus GM Jan 2024 | Piraeus GRE | 3.2 | Jakub Kosakowski | Ioannis Nikolaidis | 1/2-1/2 | 16 | Open |
| 1130 | 2024-01-04 | Piraeus GM Jan 2024 | Piraeus GRE | 2.4 | Nikolaos Poupalos | Jakub Kosakowski | 0-1 | 51 | Open |
| 1131 | 2024-01-03 | Piraeus GM Jan 2024 | Piraeus GRE | 1.3 | Jakub Kosakowski | Spyridon Kapnisis | 1-0 | 30 | Open |
| 1132 | 2023-12-30 | World Blitz 2023 | Samarkand UZB | 21.45 | Jakhongir Vakhidov | Jakub Kosakowski | 1/2-1/2 | 67 | Open |
| 1133 | 2023-12-30 | World Blitz 2023 | Samarkand UZB | 20.49 | Jakub Kosakowski | Rodrigo Vasquez Schroeder | 1-0 | 54 | Open |
| 1134 | 2023-12-30 | World Blitz 2023 | Samarkand UZB | 19.52 | Ivan Cheparinov | Jakub Kosakowski | 1/2-1/2 | 24 | Open |
| 1135 | 2023-12-30 | World Blitz 2023 | Samarkand UZB | 18.66 | Akmal Fayzullaev | Jakub Kosakowski | 0-1 | 33 | Open |
| 1136 | 2023-12-30 | World Blitz 2023 | Samarkand UZB | 17.65 | Jakub Kosakowski | Sumiya Bilguun | 1/2-1/2 | 78 | Open |
| 1137 | 2023-12-30 | World Blitz 2023 | Samarkand UZB | 16.68 | Ortik Nigmatov | Jakub Kosakowski | 1/2-1/2 | 36 | Open |
| 1138 | 2023-12-30 | World Blitz 2023 | Samarkand UZB | 15.79 | Jakub Kosakowski | Mikhail Markov | 1-0 | 48 | Open |
| 1139 | 2023-12-30 | World Blitz 2023 | Samarkand UZB | 14.7 | Jakub Seemann | Jakub Kosakowski | 1-0 | 40 | Open |
| 1140 | 2023-12-30 | World Blitz 2023 | Samarkand UZB | 13.47 | Jakub Kosakowski | Eduardo Iturrizaga Bonelli | 0-1 | 47 | Open |
| 1141 | 2023-12-30 | World Blitz 2023 | Samarkand UZB | 12.36 | Alexander Grischuk | Jakub Kosakowski | 1-0 | 30 | Open |
| 1142 | 2023-12-29 | World Blitz 2023 | Samarkand UZB | 9.5 | Jakub Kosakowski | Hans Moke Niemann | 1-0 | 51 | Open |
| 1143 | 2023-12-29 | World Blitz 2023 | Samarkand UZB | 8.15 | Jakub Kosakowski | Andrey Esipenko | 1-0 | 38 | Open |
| 1144 | 2023-12-29 | World Blitz 2023 | Samarkand UZB | 7.24 | Nodirbek Abdusattorov | Jakub Kosakowski | 0-1 | 32 | Open |
| 1145 | 2023-12-29 | World Blitz 2023 | Samarkand UZB | 6.56 | Jakub Kosakowski | Jaloliddin Ilkhomi | 1-0 | 49 | Open |
| 1146 | 2023-12-29 | World Blitz 2023 | Samarkand UZB | 5.24 | Giga Quparadze | Jakub Kosakowski | 1-0 | 44 | Open |
| 1147 | 2023-12-29 | World Blitz 2023 | Samarkand UZB | 4.62 | Jakub Kosakowski | David Bogdan | 1-0 | 24 | Open |
| 1148 | 2023-12-29 | World Blitz 2023 | Samarkand UZB | 3.17 | Vahap Sanal | Jakub Kosakowski | 1-0 | 45 | Open |
| 1149 | 2023-12-29 | World Blitz 2023 | Samarkand UZB | 2.66 | Jakub Kosakowski | Khalil Nafri | 1-0 | 39 | Open |
| 1150 | 2023-12-29 | World Blitz 2023 | Samarkand UZB | 11.3 | Jakub Kosakowski | Jorden Van Foreest | 0-1 | 36 | Open |
| 1151 | 2023-12-29 | World Blitz 2023 | Samarkand UZB | 10.18 | Alexander Riazantsev | Jakub Kosakowski | 1-0 | 40 | Open |
| 1152 | 2023-12-29 | World Blitz 2023 | Samarkand UZB | 1.23 | A.R. Saleh Salem | Jakub Kosakowski | 1-0 | 50 | Open |
| 1153 | 2023-12-28 | World Rapid 2023 | Samarkand UZB | 13.39 | Jakub Kosakowski | Evgeniy Najer | 0-1 | 48 | Open |
| 1154 | 2023-12-28 | World Rapid 2023 | Samarkand UZB | 12.53 | Deshun Xiu | Jakub Kosakowski | 0-1 | 38 | Open |
| 1155 | 2023-12-28 | World Rapid 2023 | Samarkand UZB | 11.6 | Jakub Kosakowski | Giovanni Vescovi | 1-0 | 29 | Open |
| 1156 | 2023-12-28 | World Rapid 2023 | Samarkand UZB | 10.8 | Saidakbar Saydaliev | Jakub Kosakowski | 0-1 | 43 | Open |
| 1157 | 2023-12-27 | World Rapid 2023 | Samarkand UZB | 9.38 | Surya Shekhar Ganguly | Jakub Kosakowski | 1-0 | 22 | Open |
| 1158 | 2023-12-27 | World Rapid 2023 | Samarkand UZB | 8.46 | Jakub Kosakowski | A.R. Saleh Salem | 0-1 | 45 | Open |
| 1159 | 2023-12-27 | World Rapid 2023 | Samarkand UZB | 7.76 | Jakub Kosakowski | Sumiya Chinguun | 1-0 | 60 | Open |
| 1160 | 2023-12-27 | World Rapid 2023 | Samarkand UZB | 6.48 | Javokhir Sindarov | Jakub Kosakowski | 1-0 | 34 | Open |
| 1161 | 2023-12-26 | World Rapid 2023 | Samarkand UZB | 5.38 | Jakub Kosakowski | M. Amin Tabatabaei | 0-1 | 34 | Open |
| 1162 | 2023-12-26 | World Rapid 2023 | Samarkand UZB | 4.14 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | 88 | Open |
| 1163 | 2023-12-26 | World Rapid 2023 | Samarkand UZB | 3.3 | Jakub Kosakowski | Yuriy Kuzubov | 1-0 | 37 | Open |
| 1164 | 2023-12-26 | World Rapid 2023 | Samarkand UZB | 2.19 | Kirill Shevchenko | Jakub Kosakowski | 1/2-1/2 | 61 | Open |
| 1165 | 2023-12-26 | World Rapid 2023 | Samarkand UZB | 1.22 | Jakub Kosakowski | Baadur Jobava | 1-0 | 42 | Open |
| 1166 | 2023-12-12 | ch-POL Semifinal 2023 | Karpacz POL | 9.3 | Jakub Kosakowski | Lukasz Licznerski | 1/2-1/2 | 14 | Open |
| 1167 | 2023-12-11 | ch-POL Semifinal 2023 | Karpacz POL | 8.1 | Marcin Sieciechowicz | Jakub Kosakowski | 1/2-1/2 | 21 | Open |
| 1168 | 2023-12-10 | ch-POL Semifinal 2023 | Karpacz POL | 7.1 | Jakub Kosakowski | Radoslaw Psyk | 1/2-1/2 | 20 | Open |
| 1169 | 2023-12-09 | ch-POL Semifinal 2023 | Karpacz POL | 6.1 | Bartlomiej Niedbala | Jakub Kosakowski | 1/2-1/2 | 27 | Open |
| 1170 | 2023-12-08 | ch-POL Semifinal 2023 | Karpacz POL | 5.1 | Wojciech Moranda | Jakub Kosakowski | 1/2-1/2 | 19 | Open |
| 1171 | 2023-12-07 | ch-POL Semifinal 2023 | Karpacz POL | 4.1 | Jakub Kosakowski | Damian Lewtak | 1-0 | 29 | Open |
| 1172 | 2023-12-06 | ch-POL Semifinal 2023 | Karpacz POL | 3.1 | Jakub Kosakowski | Michal Fiedorek | 1-0 | 51 | Open |
| 1173 | 2023-12-05 | ch-POL Semifinal 2023 | Karpacz POL | 2.1 | Bartlomiej Mondrzycki | Jakub Kosakowski | 0-1 | 47 | Open |
| 1174 | 2023-12-04 | ch-POL Semifinal 2023 | Karpacz POL | 1.3 | Jakub Kosakowski | Adam Gibala | 1-0 | 49 | Open |
| 1175 | 2023-11-25 | Rapid Superleague Final | Bydgoszcz POL | 2.37 | Pawel Teclaf | Jakub Kosakowski | 1-0 | 51 | Open |
| 1176 | 2023-11-25 | Rapid Superleague Final | Bydgoszcz POL | 2.27 | Jakub Kosakowski | Pawel Teclaf | 0-1 | 55 | Open |
| 1177 | 2023-11-25 | Rapid Superleague Final | Bydgoszcz POL | 2.17 | Pawel Teclaf | Jakub Kosakowski | 0-1 | 63 | Open |
| 1178 | 2023-11-25 | Rapid Superleague Final | Bydgoszcz POL | 1.27 | Szymon Gumularz | Jakub Kosakowski | 1-0 | 33 | Open |
| 1179 | 2023-11-25 | Rapid Superleague Final | Bydgoszcz POL | 1.17 | Jakub Kosakowski | Szymon Gumularz | 0-1 | 58 | Open |
| 1180 | 2023-10-07 | ch-POL Rapid 2023 | Lublin POL | 9.3 | Jakub Kosakowski | Antoni Kozak | 1-0 | 37 | Open |
| 1181 | 2023-10-07 | ch-POL Rapid 2023 | Lublin POL | 8.5 | Andrei Maksimenko | Jakub Kosakowski | 0-1 | 26 | Open |
| 1182 | 2023-10-07 | ch-POL Rapid 2023 | Lublin POL | 7.2 | Jakub Kosakowski | Kacper Piorun | 1/2-1/2 | 55 | Open |
| 1183 | 2023-10-07 | ch-POL Rapid 2023 | Lublin POL | 6.5 | Krystian Kuzmicz | Jakub Kosakowski | 0-1 | 57 | Open |
| 1184 | 2023-10-07 | ch-POL Rapid 2023 | Lublin POL | 5.8 | Jakub Kosakowski | Kacper Grela | 1-0 | 65 | Open |
| 1185 | 2023-10-07 | ch-POL Rapid 2023 | Lublin POL | 4.4 | Kamil Stachowiak | Jakub Kosakowski | 1/2-1/2 | 50 | Open |
| 1186 | 2023-10-07 | ch-POL Rapid 2023 | Lublin POL | 3.6 | Jakub Kosakowski | Michal Fiedorek | 1-0 | 39 | Open |
| 1187 | 2023-10-07 | ch-POL Rapid 2023 | Lublin POL | 2.6 | Tomasz Motyl | Jakub Kosakowski | 0-1 | 28 | Open |
| 1188 | 2023-10-07 | ch-POL Rapid 2023 | Lublin POL | 1.6 | Jakub Kosakowski | Karol Danielewski | 1-0 | 19 | Open |
| 1189 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 9 | Jakub Kosakowski | Benjamin Bok | 0-1 | 24 | Open |
| 1190 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 8 | Jakub Kosakowski | David Paravyan | 1-0 | 53 | Open |
| 1191 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 7 | Filip Luczak | Jakub Kosakowski | 0-1 | 79 | Open |
| 1192 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 6 | Christopher Woojin Yoo | Jakub Kosakowski | 1-0 | 21 | Open |
| 1193 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 5 | Jakub Kosakowski | Iung Alicio de O. Pinheiro | 1-0 | 37 | Open |
| 1194 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 4 | Jakub Kosakowski | Pedro Ramon Martinez Reyes | 1-0 | 45 | Open |
| 1195 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 3 | Hikaru Nakamura | Jakub Kosakowski | 1-0 | 67 | Open |
| 1196 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 2 | Danila Bilan | Jakub Kosakowski | 0-1 | 30 | Open |
| 1197 | 2023-10-03 | Titled Tue 3rd Oct Late | chess.com INT | 1 | Jakub Kosakowski | Maciej Sroczynski | 1-0 | 34 | Open |
| 1198 | 2023-09-26 | TCh-POL Ekstraliga 2023 | Lublin POL | 9.5 | Jakub Kosakowski | Vojtech Plat | 1/2-1/2 | 71 | Open |
| 1199 | 2023-09-25 | TCh-POL Ekstraliga 2023 | Lublin POL | 8.1 | Bartlomiej Heberla | Jakub Kosakowski | 1/2-1/2 | 70 | Open |
| 1200 | 2023-09-24 | TCh-POL Ekstraliga 2023 | Lublin POL | 7.5 | Marcin Krzyzanowski | Jakub Kosakowski | 1-0 | 28 | Open |
| 1201 | 2023-09-23 | TCh-POL Ekstraliga 2023 | Lublin POL | 6.2 | Tomasz Warakomski | Jakub Kosakowski | 1-0 | 51 | Open |
| 1202 | 2023-09-22 | TCh-POL Ekstraliga 2023 | Lublin POL | 5.4 | Szymon Gumularz | Jakub Kosakowski | 1-0 | 64 | Open |
| 1203 | 2023-09-21 | TCh-POL Ekstraliga 2023 | Lublin POL | 4.3 | Jakub Kosakowski | Dariusz Mikrut | 1/2-1/2 | 42 | Open |
| 1204 | 2023-09-20 | TCh-POL Ekstraliga 2023 | Lublin POL | 3.3 | Paulius Pultinevicius | Jakub Kosakowski | 1/2-1/2 | 29 | Open |
| 1205 | 2023-09-19 | TCh-POL Ekstraliga 2023 | Lublin POL | 2.4 | Jakub Kosakowski | Igor Janik | 1/2-1/2 | 49 | Open |
| 1206 | 2023-09-18 | TCh-POL Ekstraliga 2023 | Lublin POL | 1.2 | Piotr Bobras | Jakub Kosakowski | 0-1 | 53 | Open |
| 1207 | 2023-09-17 | Szansa Open Rapid 2023 | Warsaw POL | 9.4 | Jakub Kosakowski | Toms Kantans | 0-1 | 62 | Open |
| 1208 | 2023-09-17 | Szansa Open Rapid 2023 | Warsaw POL | 8.7 | Kacper Majek | Jakub Kosakowski | 0-1 | 35 | Open |
| 1209 | 2023-09-17 | Szansa Open Rapid 2023 | Warsaw POL | 7.12 | Elena Krasenkowa | Jakub Kosakowski | 0-1 | 49 | Open |
| 1210 | 2023-09-17 | Szansa Open Rapid 2023 | Warsaw POL | 6.4 | Jakub Kosakowski | Marcin Sieciechowicz | 0-1 | 36 | Open |
| 1211 | 2023-09-17 | Szansa Open Rapid 2023 | Warsaw POL | 5.9 | Jakub Kosakowski | Kamil Derylo | 1-0 | 33 | Open |
| 1212 | 2023-09-17 | Szansa Open Rapid 2023 | Warsaw POL | 4.11 | Kamil Celinski | Jakub Kosakowski | 0-1 | 43 | Open |
| 1213 | 2023-09-17 | Szansa Open Rapid 2023 | Warsaw POL | 3.2 | Jakub Kosakowski | Tymon Czernek | 0-1 | 38 | Open |
| 1214 | 2023-09-17 | Szansa Open Rapid 2023 | Warsaw POL | 2.2 | Carlos Alvarado | Jakub Kosakowski | 0-1 | 58 | Open |
| 1215 | 2023-09-17 | Szansa Open Rapid 2023 | Warsaw POL | 1.2 | Jakub Kosakowski | Pola Seemann | 1-0 | 38 | Open |
| 1216 | 2023-09-16 | Szansa Open Blitz 2023 | Warsaw POL | 9 | Jakub Kosakowski | Radoslaw Psyk | 1-0 | 42 | Open |
| 1217 | 2023-09-16 | Szansa Open Blitz 2023 | Warsaw POL | 8 | Oliwia Kiolbasa | Jakub Kosakowski | 1-0 | 27 | Open |
| 1218 | 2023-09-16 | Szansa Open Blitz 2023 | Warsaw POL | 7 | Jakub Kosakowski | Igor Janik | 0-1 | 51 | Open |
| 1219 | 2023-09-16 | Szansa Open Blitz 2023 | Warsaw POL | 6 | Platon Galperin | Jakub Kosakowski | 0-1 | 43 | Open |
| 1220 | 2023-09-16 | Szansa Open Blitz 2023 | Warsaw POL | 5 | Jakub Kosakowski | Aleksandra Maltsevskaya | 1-0 | 28 | Open |
| 1221 | 2023-09-16 | Szansa Open Blitz 2023 | Warsaw POL | 4 | Monika Socko | Jakub Kosakowski | 0-1 | 29 | Open |
| 1222 | 2023-09-16 | Szansa Open Blitz 2023 | Warsaw POL | 3 | Jakub Kosakowski | Tymon Czernek | 1-0 | 29 | Open |
| 1223 | 2023-09-16 | Szansa Open Blitz 2023 | Warsaw POL | 2 | Wojciech Smieszek | Jakub Kosakowski | 0-1 | 46 | Open |
| 1224 | 2023-09-16 | Szansa Open Blitz 2023 | Warsaw POL | 1 | Jakub Kosakowski | Maciej Pawlowski | 1-0 | 21 | Open |
| 1225 | 2023-09-16 | Szansa Open Blitz 2023 | Warsaw POL | 13 | Mateusz Bartel | Jakub Kosakowski | 1-0 | 72 | Open |
| 1226 | 2023-09-16 | Szansa Open Blitz 2023 | Warsaw POL | 12 | Jakub Kosakowski | Bartosz Socko | 1-0 | 30 | Open |
| 1227 | 2023-09-16 | Szansa Open Blitz 2023 | Warsaw POL | 11 | Jakub Kosakowski | Michal Kopczynski | 1-0 | 33 | Open |
| 1228 | 2023-09-16 | Szansa Open Blitz 2023 | Warsaw POL | 10 | Marcin Sieciechowicz | Jakub Kosakowski | 1/2-1/2 | 75 | Open |
| 1229 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 8 | Jakub Kosakowski | Richard Leyva Proenza | 0-1 | 95 | Open |
| 1230 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 7 | William Yen | Jakub Kosakowski | 0-1 | 43 | Open |
| 1231 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 6 | Jakub Kosakowski | Ian Nepomniachtchi | 0-1 | 41 | Open |
| 1232 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 5 | Wojciech Przybylski | Jakub Kosakowski | 0-1 | 34 | Open |
| 1233 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 4 | Jakub Kosakowski | Artem Dyachuk | 1-0 | 30 | Open |
| 1234 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 3 | Magnus Carlsen | Jakub Kosakowski | 1-0 | 39 | Open |
| 1235 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 2 | Dion Su | Jakub Kosakowski | 0-1 | 28 | Open |
| 1236 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 1 | Jakub Kosakowski | Alejandro Uzcategui Rodriguez | 1-0 | 30 | Open |
| 1237 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 9 | Jonas Wyss | Jakub Kosakowski | 0-1 | 40 | Open |
| 1238 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 8 | Jakub Kosakowski | Youhe Huang | 1/2-1/2 | 38 | Open |
| 1239 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 7 | Minda Chen | Jakub Kosakowski | 0-1 | 47 | Open |
| 1240 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 6 | Jakub Kosakowski | Sebastian Bazzano | 1-0 | 41 | Open |
| 1241 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 5 | Talaibek Osmonbekov | Jakub Kosakowski | 1-0 | 40 | Open |
| 1242 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 11 | Mario Gavilan Diaz | Jakub Kosakowski | 0-1 | 22 | Open |
| 1243 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 10 | Jakub Kosakowski | Francisco Ferrari Pironti | 1-0 | 25 | Open |
| 1244 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 9 | Vladimir Kramnik | Jakub Kosakowski | 0-1 | 49 | Open |
| 1245 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 8 | Jakub Kosakowski | Vladimir Goncharov | 1-0 | 27 | Open |
| 1246 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 7 | Gata Kamsky | Jakub Kosakowski | 1-0 | 36 | Open |
| 1247 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 6 | Sergey Drygalov | Jakub Kosakowski | 0-1 | 77 | Open |
| 1248 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 5 | Jakub Kosakowski | Nikolai Vlassov | 1-0 | 49 | Open |
| 1249 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 4 | Jakub Kosakowski | Alberto Santos Flores | 1-0 | 40 | Open |
| 1250 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 3 | Artem Gogolev | Jakub Kosakowski | 0-1 | 49 | Open |
| 1251 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 2 | Jakub Kosakowski | Namitbir Singh Walia | 1-0 | 52 | Open |
| 1252 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 1 | Simon Fule | Jakub Kosakowski | 1-0 | 66 | Open |
| 1253 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 11 | Jakub Kosakowski | Wesley So | 0-1 | 46 | Open |
| 1254 | 2023-08-22 | Titled Tue 22nd Aug Early | chess.com INT | 10 | Alexander Donchenko | Jakub Kosakowski | 1-0 | 34 | Open |
| 1255 | 2023-08-09 | Arsen Yeghiazaryan Mem | Yerevan ARM | 9.2 | Erik Chaqryan | Jakub Kosakowski | 1/2-1/2 | 10 | Open |
| 1256 | 2023-08-08 | Arsen Yeghiazaryan Mem | Yerevan ARM | 8.5 | Jakub Kosakowski | Giga Quparadze | 1/2-1/2 | 22 | Open |
| 1257 | 2023-08-07 | Arsen Yeghiazaryan Mem | Yerevan ARM | 7.1 | Jakub Kosakowski | Vahe Danielyan | 1-0 | 54 | Open |
| 1258 | 2023-08-06 | Arsen Yeghiazaryan Mem | Yerevan ARM | 6.5 | Simon Mkrtchyan | Jakub Kosakowski | 0-1 | 30 | Open |
| 1259 | 2023-08-05 | Arsen Yeghiazaryan Mem | Yerevan ARM | 5.2 | Jakub Kosakowski | Konstantine Shanava | 1-0 | 36 | Open |
| 1260 | 2023-08-04 | Arsen Yeghiazaryan Mem | Yerevan ARM | 4.4 | Arsen Davtyan | Jakub Kosakowski | 1/2-1/2 | 24 | Open |
| 1261 | 2023-08-03 | Arsen Yeghiazaryan Mem | Yerevan ARM | 3.3 | Jakub Kosakowski | Benik Agasarov | 1-0 | 70 | Open |
| 1262 | 2023-08-02 | Arsen Yeghiazaryan Mem | Yerevan ARM | 2.3 | Erik R. Gasparyan | Jakub Kosakowski | 0-1 | 51 | Open |
| 1263 | 2023-08-01 | Arsen Yeghiazaryan Mem | Yerevan ARM | 1.4 | Jakub Kosakowski | Aryan Gholami | 1/2-1/2 | 133 | Open |
| 1264 | 2023-07-29 | 34th Czech Open A 2023 | Pardubice CZE | 9.1 | Khuyagtsogt Itgelt | Jakub Kosakowski | 0-1 | 38 | Open |
| 1265 | 2023-07-28 | 34th Czech Open A 2023 | Pardubice CZE | 8.13 | Jakub Kosakowski | Leonardo Costa | 1-0 | 34 | Open |
| 1266 | 2023-07-27 | 34th Czech Open A 2023 | Pardubice CZE | 7.12 | Ondrej Svanda | Jakub Kosakowski | 1/2-1/2 | 35 | Open |
| 1267 | 2023-07-26 | 34th Czech Open A 2023 | Pardubice CZE | 6.21 | Jakub Kosakowski | Ruediger Seger | 1-0 | 26 | Open |
| 1268 | 2023-07-25 | 34th Czech Open A 2023 | Pardubice CZE | 5.17 | Jakub Vojta | Jakub Kosakowski | 1/2-1/2 | 33 | Open |
| 1269 | 2023-07-24 | 34th Czech Open A 2023 | Pardubice CZE | 4.14 | Jakub Kosakowski | Tobias Kuegel | 1/2-1/2 | 93 | Open |
| 1270 | 2023-07-23 | 34th Czech Open A 2023 | Pardubice CZE | 3.28 | Annmarie Muetsch | Jakub Kosakowski | 0-1 | 46 | Open |
| 1271 | 2023-07-21 | 34th Czech Open A 2023 | Pardubice CZE | 1.15 | Aniruddh Chatterjee | Jakub Kosakowski | 1/2-1/2 | 51 | Open |
| 1272 | 2023-07-19 | Slovakia Chess Open 2023 | Piestany SVK | 9.2 | Jakub Kosakowski | Samir Sahidi | 1-0 | 43 | Open |
| 1273 | 2023-07-18 | Slovakia Chess Open 2023 | Piestany SVK | 8.4 | Jakub Kosakowski | Rokas Klabis | 1-0 | 42 | Open |
| 1274 | 2023-07-17 | Slovakia Chess Open 2023 | Piestany SVK | 7.4 | Stepan Hrbek | Jakub Kosakowski | 1/2-1/2 | 39 | Open |
| 1275 | 2023-07-16 | Slovakia Chess Open 2023 | Piestany SVK | 6.6 | Jakub Kosakowski | Matas Indriunas | 1-0 | 44 | Open |
| 1276 | 2023-07-15 | Slovakia Chess Open 2023 | Piestany SVK | 5.2 | Audi Ameya | Jakub Kosakowski | 1-0 | 89 | Open |
| 1277 | 2023-07-14 | Slovakia Chess Open 2023 | Piestany SVK | 4.3 | Jakub Kosakowski | Christoph Dahl | 1-0 | 24 | Open |
| 1278 | 2023-07-13 | Slovakia Chess Open 2023 | Piestany SVK | 3.6 | Simon Rybka | Jakub Kosakowski | 0-1 | 33 | Open |
| 1279 | 2023-07-12 | Slovakia Chess Open 2023 | Piestany SVK | 2.5 | Jakub Kosakowski | Yuxin Song | 1/2-1/2 | 52 | Open |
| 1280 | 2023-07-11 | Slovakia Chess Open 2023 | Piestany SVK | 1.6 | Liwia Jarocka | Jakub Kosakowski | 0-1 | 36 | Open |
| 1281 | 2023-07-04 | Titled Tue 4th Jul Early | chess.com INT | 9 | Ruben Domingo Nunez | Jakub Kosakowski | 1-0 | 29 | Open |
| 1282 | 2023-07-04 | Titled Tue 4th Jul Early | chess.com INT | 8 | Jakub Kosakowski | Radmila Kovacevic | 1-0 | 36 | Open |
| 1283 | 2023-07-04 | Titled Tue 4th Jul Early | chess.com INT | 7 | Marco Materia | Jakub Kosakowski | 1-0 | 92 | Open |
| 1284 | 2023-07-04 | Titled Tue 4th Jul Early | chess.com INT | 6 | Jakub Kosakowski | Alberto Martin Fuentes | 0-1 | 75 | Open |
| 1285 | 2023-07-04 | Titled Tue 4th Jul Early | chess.com INT | 5 | Jose Eduardo Martinez Alcantara | Jakub Kosakowski | 1-0 | 35 | Open |
| 1286 | 2023-07-04 | Titled Tue 4th Jul Early | chess.com INT | 4 | Jakub Kosakowski | Mukhiddin Madaminov | 1-0 | 59 | Open |
| 1287 | 2023-07-04 | Titled Tue 4th Jul Early | chess.com INT | 3 | Jakub Kosakowski | Sergiy Zavgorodniy | 1-0 | 48 | Open |
| 1288 | 2023-07-04 | Titled Tue 4th Jul Early | chess.com INT | 2 | Julian Estrada Nieto | Jakub Kosakowski | 0-1 | 33 | Open |
| 1289 | 2023-07-04 | Titled Tue 4th Jul Early | chess.com INT | 1 | Jakub Kosakowski | Michal Fiedorek | 1-0 | 31 | Open |
| 1290 | 2023-07-04 | Titled Tue 4th Jul Early | chess.com INT | 11 | Dawid Janaszak | Jakub Kosakowski | 1-0 | 40 | Open |
| 1291 | 2023-07-04 | Titled Tue 4th Jul Early | chess.com INT | 10 | Jakub Kosakowski | Viacheslav Tikhonov | 1-0 | 39 | Open |
| 1292 | 2023-06-29 | Prague International Open | Prague CZE | 8.5 | Marian Jurcik | Jakub Kosakowski | 1-0 | 41 | Open |
| 1293 | 2023-06-28 | Prague International Open | Prague CZE | 7.1 | Jakub Kosakowski | Lan Yao | 1-0 | 57 | Open |
| 1294 | 2023-06-27 | Prague International Open | Prague CZE | 6.3 | Ekin Baris Ozenir | Jakub Kosakowski | 1-0 | 78 | Open |
| 1295 | 2023-06-26 | Prague International Open | Prague CZE | 5.1 | Jakub Kosakowski | Rao Sharan | 1/2-1/2 | 38 | Open |
| 1296 | 2023-06-25 | Prague International Open | Prague CZE | 4.2 | Kim Yew Chan | Jakub Kosakowski | 0-1 | 51 | Open |
| 1297 | 2023-06-24 | Prague International Open | Prague CZE | 3.4 | Jakub Kosakowski | Thalia Cervantes Landeiro | 1-0 | 65 | Open |
| 1298 | 2023-06-23 | Prague International Open | Prague CZE | 2.4 | Walter Bichsel | Jakub Kosakowski | 0-1 | 33 | Open |
| 1299 | 2023-06-22 | Prague International Open | Prague CZE | 1.4 | Jakub Kosakowski | Craig A Stauffer | 1-0 | 25 | Open |
| 1300 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 9 | Bilel Bellahcene | Jakub Kosakowski | 1/2-1/2 | 48 | Open |
| 1301 | 2023-06-13 | Titled Tue 13th Jun Early | chess.com INT | 9 | Viacheslav Malyi | Jakub Kosakowski | 0-1 | 71 | Open |
| 1302 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 8 | Jakub Kosakowski | Andrei Skvortsov | 1-0 | 49 | Open |
| 1303 | 2023-06-13 | Titled Tue 13th Jun Early | chess.com INT | 8 | Jakub Kosakowski | Alexey Chos | 1/2-1/2 | 64 | Open |
| 1304 | 2023-06-13 | Titled Tue 13th Jun Early | chess.com INT | 7 | Alina Kashlinskaya | Jakub Kosakowski | 1-0 | 48 | Open |
| 1305 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 7 | Dmitrij Kollars | Jakub Kosakowski | 1-0 | 68 | Open |
| 1306 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 6 | Eduardo Jesus Mendez Fortes | Jakub Kosakowski | 0-1 | 25 | Open |
| 1307 | 2023-06-13 | Titled Tue 13th Jun Early | chess.com INT | 6 | Jakub Kosakowski | Alexey Sarana | 0-1 | 44 | Open |
| 1308 | 2023-06-13 | Titled Tue 13th Jun Early | chess.com INT | 5 | Jakub Kosakowski | Sergei Zhigalko | 0-1 | 34 | Open |
| 1309 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 5 | Jakub Kosakowski | Piotr Piesik | 1-0 | 23 | Open |
| 1310 | 2023-06-13 | Titled Tue 13th Jun Early | chess.com INT | 4 | Valery Sviridov | Jakub Kosakowski | 0-1 | 96 | Open |
| 1311 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 4 | Alireza Firouzja | Jakub Kosakowski | 1-0 | 28 | Open |
| 1312 | 2023-06-13 | Titled Tue 13th Jun Early | chess.com INT | 3 | Azamat Daurimbetov | Jakub Kosakowski | 0-1 | 71 | Open |
| 1313 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 3 | Jakub Kosakowski | Fabiano Caruana | 1/2-1/2 | 71 | Open |
| 1314 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 2 | Julio Cesar Diaz Rosas | Jakub Kosakowski | 0-1 | 48 | Open |
| 1315 | 2023-06-13 | Titled Tue 13th Jun Early | chess.com INT | 2 | Jakub Kosakowski | Artem Omelja | 1-0 | 41 | Open |
| 1316 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 1 | Jakub Kosakowski | Marek Karas | 1-0 | 46 | Open |
| 1317 | 2023-06-13 | Titled Tue 13th Jun Early | chess.com INT | 1 | Wojciech Przybylski | Jakub Kosakowski | 0-1 | 59 | Open |
| 1318 | 2023-06-13 | Titled Tue 13th Jun Early | chess.com INT | 11 | Alexei Belov | Jakub Kosakowski | 0-1 | 25 | Open |
| 1319 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 11 | Roberto Carlos Gomez Ledo | Jakub Kosakowski | 1-0 | 61 | Open |
| 1320 | 2023-06-13 | Titled Tue 13th Jun Late | chess.com INT | 10 | Jakub Kosakowski | Nikolai Vlassov | 1-0 | 31 | Open |
| 1321 | 2023-06-13 | Titled Tue 13th Jun Early | chess.com INT | 10 | Jakub Kosakowski | Joaquin Fiorito | 1-0 | 34 | Open |
| 1322 | 2023-05-27 | 32nd Chicago Open 2023 | Chicago USA | 4 | Jakub Kosakowski | Gunnar Andersen | 1/2-1/2 | 77 | Open |
| 1323 | 2023-05-09 | Rapid Chess Superleague | Poland POL | 7.3 | Jakub Kosakowski | Jan Klimkowski | 1/2-1/2 | 39 | Open |
| 1324 | 2023-05-09 | Rapid Chess Superleague | Poland POL | 6.3 | Dariusz Mikrut | Jakub Kosakowski | 0-1 | 41 | Open |
| 1325 | 2023-05-09 | Rapid Chess Superleague | Poland POL | 5.3 | Jakub Kosakowski | Zbigniew Pakleza | 1/2-1/2 | 78 | Open |
| 1326 | 2023-05-09 | Rapid Chess Superleague | Poland POL | 4.3 | Maciej Klekowski | Jakub Kosakowski | 1/2-1/2 | 46 | Open |
| 1327 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 9 | Jakub Kosakowski | Jose Carlos Ibarra Jerez | 1-0 | 55 | Open |
| 1328 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 8 | Khoi Pham | Jakub Kosakowski | 0-1 | 38 | Open |
| 1329 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 7 | Vladimir Fedoseev | Jakub Kosakowski | 1-0 | 26 | Open |
| 1330 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 7 | Jakub Kosakowski | Aleks Sahakyan | 1/2-1/2 | 58 | Open |
| 1331 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 6 | Cristobal Henriquez Villagra | Jakub Kosakowski | 1-0 | 35 | Open |
| 1332 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 6 | Parham Maghsoodloo | Jakub Kosakowski | 1-0 | 38 | Open |
| 1333 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 5 | Sergey Grigoriants | Jakub Kosakowski | 1/2-1/2 | 66 | Open |
| 1334 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 5 | Jakub Kosakowski | Olexandr Bortnyk | 1-0 | 42 | Open |
| 1335 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 4 | Jakub Kosakowski | Gombosuren Munkhgal | 1-0 | 45 | Open |
| 1336 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 4 | Zbigniew Wieczorek | Jakub Kosakowski | 0-1 | 33 | Open |
| 1337 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 3 | Vladimir Demin | Jakub Kosakowski | 0-1 | 26 | Open |
| 1338 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 3 | Jakub Kosakowski | Milind Maiti | 1-0 | 12 | Open |
| 1339 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 2 | Jakub Kosakowski | Stamatis Kourkoulos-Arditis | 1/2-1/2 | 68 | Open |
| 1340 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 2 | Jakub Kosakowski | Kanan Hajiyev | 1/2-1/2 | 40 | Open |
| 1341 | 2023-05-02 | Titled Tue 2nd May Late | chess.com INT | 1 | Luis David Jimenez Almeida | Jakub Kosakowski | 0-1 | 76 | Open |
| 1342 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 1 | Atousa Pourkashiyan | Jakub Kosakowski | 0-1 | 38 | Open |
| 1343 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 11 | Khishigbaatar Bayasgalan | Jakub Kosakowski | 0-1 | 78 | Open |
| 1344 | 2023-05-02 | Titled Tue 2nd May Early | chess.com INT | 10 | Jakub Kosakowski | Vladimir Kramnik | 0-1 | 58 | Open |
| 1345 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 9 | Mrudul Dehankar | Jakub Kosakowski | 0-1 | 35 | Open |
| 1346 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 8 | Jakub Kosakowski | Ruben Gideon Koellner | 0-1 | 46 | Open |
| 1347 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 7 | Aaron Grabinsky | Jakub Kosakowski | 1-0 | 38 | Open |
| 1348 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 6 | Jakub Kosakowski | Pavel Toropov | 1-0 | 31 | Open |
| 1349 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 5 | Jakub Kosakowski | Anton Korobov | 0-1 | 42 | Open |
| 1350 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 4 | Pawel Sowinski | Jakub Kosakowski | 0-1 | 30 | Open |
| 1351 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 3 | Alireza Firouzja | Jakub Kosakowski | 1/2-1/2 | 101 | Open |
| 1352 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 2 | Jakub Kosakowski | Artem Sadovsky | 1-0 | 42 | Open |
| 1353 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 1 | Juan Carlos Gonzalez Zamora | Jakub Kosakowski | 0-1 | 34 | Open |
| 1354 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 11 | Jakub Kosakowski | Lennis Martinez Ramirez | 1-0 | 54 | Open |
| 1355 | 2023-04-25 | Titled Tue 25th Apr Early | chess.com INT | 10 | Edgar Mamedov | Jakub Kosakowski | 1/2-1/2 | 73 | Open |
| 1356 | 2023-04-10 | VII Semana Santa Alicante | La Nucia ESP | 9.7 | Jakub Kosakowski | Angel Espinosa Aranda | 1/2-1/2 | 23 | Open |
| 1357 | 2023-04-09 | VII Semana Santa Alicante | La Nucia ESP | 8.8 | Mher Hovhannisyan | Jakub Kosakowski | 0-1 | 44 | Open |
| 1358 | 2023-04-09 | VII Semana Santa Alicante | La Nucia ESP | 7.17 | Jakub Kosakowski | Alejandro Domingo Nunez | 1-0 | 38 | Open |
| 1359 | 2023-04-08 | VII Semana Santa Alicante | La Nucia ESP | 6.12 | Meruert Kamalidenova | Jakub Kosakowski | 1/2-1/2 | 40 | Open |
| 1360 | 2023-04-07 | VII Semana Santa Alicante | La Nucia ESP | 5.12 | Jakub Kosakowski | Alex Garrido Outon | 1/2-1/2 | 49 | Open |
| 1361 | 2023-04-07 | VII Semana Santa Alicante | La Nucia ESP | 4.24 | Marta Garcia Martin | Jakub Kosakowski | 0-1 | 31 | Open |
| 1362 | 2023-04-06 | VII Semana Santa Alicante | La Nucia ESP | 3.15 | Jakub Kosakowski | Zhaoqi Liu | 1/2-1/2 | 26 | Open |
| 1363 | 2023-04-06 | VII Semana Santa Alicante | La Nucia ESP | 2.18 | Oisin O`cuilleanain | Jakub Kosakowski | 0-1 | 50 | Open |
| 1364 | 2023-04-05 | VII Semana Santa Alicante | La Nucia ESP | 1.21 | Jakub Kosakowski | Maria Antonia Vicens Company | 1-0 | 48 | Open |
| 1365 | 2023-03-28 | Titled Tue 28th Mar Early | chess.com INT | 9 | Georgios Souleidis | Jakub Kosakowski | 0-1 | 28 | Open |
| 1366 | 2023-03-28 | Titled Tue 28th Mar Early | chess.com INT | 8 | Jakub Kosakowski | Alejandro Castellanos Villela | 1-0 | 47 | Open |
| 1367 | 2023-03-28 | Titled Tue 28th Mar Early | chess.com INT | 7 | Jakub Kosakowski | Elbek Jumanov | 1-0 | 37 | Open |
| 1368 | 2023-03-28 | Titled Tue 28th Mar Early | chess.com INT | 6 | Tyrell Harriott | Jakub Kosakowski | 0-1 | 31 | Open |
| 1369 | 2023-03-28 | Titled Tue 28th Mar Early | chess.com INT | 5 | Jakub Kosakowski | Christian Silvestre | 1-0 | 39 | Open |
| 1370 | 2023-03-28 | Titled Tue 28th Mar Early | chess.com INT | 4 | Iulian Necula | Jakub Kosakowski | 0-1 | 43 | Open |
| 1371 | 2023-03-28 | Titled Tue 28th Mar Early | chess.com INT | 11 | Anastasia Bodnaruk | Jakub Kosakowski | 1-0 | 93 | Open |
| 1372 | 2023-03-28 | Titled Tue 28th Mar Early | chess.com INT | 10 | Jakub Kosakowski | Nikhil Dixit | 0-1 | 35 | Open |
| 1373 | 2023-03-13 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 11.86 | Lukas Leisch | Jakub Kosakowski | 1/2-1/2 | 19 | Open |
| 1374 | 2023-03-12 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 10.108 | Jakub Kosakowski | Roy Vagman | 1-0 | 66 | Open |
| 1375 | 2023-03-11 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 9.84 | Teodora Injac | Jakub Kosakowski | 1-0 | 44 | Open |
| 1376 | 2023-03-10 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 8.9 | Jakub Kosakowski | Leonardo Costa | 1/2-1/2 | 52 | Open |
| 1377 | 2023-03-09 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 7.41 | Constantin Lupulescu | Jakub Kosakowski | 1-0 | 60 | Open |
| 1378 | 2023-03-08 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 6.34 | Jakub Kosakowski | Emre Can | 1/2-1/2 | 28 | Open |
| 1379 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 7 | Jakub Kosakowski | Dmitry Andreikin | 0-1 | 36 | Open |
| 1380 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 6 | Jakub Kosakowski | Aram Hakobyan | 0-1 | 29 | Open |
| 1381 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 5 | Sanan Sjugirov | Jakub Kosakowski | 1/2-1/2 | 47 | Open |
| 1382 | 2023-03-07 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 5.35 | David Paravyan | Jakub Kosakowski | 1/2-1/2 | 83 | Open |
| 1383 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 4 | Jakub Kosakowski | Aleksandr Lenderman | 1-0 | 55 | Open |
| 1384 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 3 | Viktor Berezin | Jakub Kosakowski | 0-1 | 27 | Open |
| 1385 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 2 | Eric Liu | Jakub Kosakowski | 0-1 | 50 | Open |
| 1386 | 2023-03-07 | Titled Tue 7th Mar Late | chess.com INT | 1 | Jakub Kosakowski | Kamil Dzida | 1-0 | 37 | Open |
| 1387 | 2023-03-06 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 4.78 | Jakub Kosakowski | Milan Novkovic | 1-0 | 58 | Open |
| 1388 | 2023-03-05 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 3.33 | Andrey Esipenko | Jakub Kosakowski | 1/2-1/2 | 47 | Open |
| 1389 | 2023-03-04 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 2.6 | Jakub Kosakowski | Alexandr Predke | 1/2-1/2 | 48 | Open |
| 1390 | 2023-03-03 | 23rd ch-EUR Indiv 2023 | Vrnjacka Banja SRB | 1.135 | Sasa T Jovanovic | Jakub Kosakowski | 0-1 | 47 | Open |
| 1391 | 2023-02-23 | 39th Cappelle Open 2023 | Cappelle la Grande FRA | 8.2 | Sergey A. Fedorchuk | Jakub Kosakowski | 1-0 | 32 | Open |
| 1392 | 2023-02-22 | 39th Cappelle Open 2023 | Cappelle la Grande FRA | 7.2 | Jakub Kosakowski | Krishnan Sasikiran | 1/2-1/2 | 31 | Open |
| 1393 | 2023-02-22 | 39th Cappelle Open 2023 | Cappelle la Grande FRA | 6.6 | Rao Sharan | Jakub Kosakowski | 0-1 | 90 | Open |
| 1394 | 2023-02-20 | 39th Cappelle Open 2023 | Cappelle la Grande FRA | 4.2 | Marcin Sieciechowicz | Jakub Kosakowski | 1/2-1/2 | 79 | Open |
| 1395 | 2023-02-20 | 39th Cappelle Open 2023 | Cappelle la Grande FRA | 3.4 | Jakub Kosakowski | S. Nitin | 1-0 | 54 | Open |
| 1396 | 2023-02-19 | 39th Cappelle Open 2023 | Cappelle la Grande FRA | 2.8 | Andrew J Muir | Jakub Kosakowski | 0-1 | 35 | Open |
| 1397 | 2023-02-18 | 39th Cappelle Open 2023 | Cappelle la Grande FRA | 1.1 | Jakub Kosakowski | Etienne Orieux | 1-0 | 69 | Open |
| 1398 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 9 | Leinier Dominguez Perez | Jakub Kosakowski | 1/2-1/2 | 63 | Open |
| 1399 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 9 | Jakub Kosakowski | Artyom Timofeev | 0-1 | 48 | Open |
| 1400 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 8 | Svyatoslav Bazakutsa | Jakub Kosakowski | 0-1 | 24 | Open |
| 1401 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 8 | Jakub Kosakowski | Iwo Godzwon | 1-0 | 38 | Open |
| 1402 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 7 | Tom O`Gorman | Jakub Kosakowski | 0-1 | 53 | Open |
| 1403 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 7 | Jakub Kosakowski | Pavel Martynov | 1-0 | 41 | Open |
| 1404 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 6 | Jakub Kosakowski | Tuna Ozates | 1-0 | 16 | Open |
| 1405 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 6 | Jakub Kosakowski | Aydin Suleymanli | 0-1 | 68 | Open |
| 1406 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 5 | Damir Ismagilov | Jakub Kosakowski | 0-1 | 61 | Open |
| 1407 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 5 | Dennis De Vreugt | Jakub Kosakowski | 0-1 | 28 | Open |
| 1408 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 4 | Jakub Kosakowski | Jun Ying Tan | 0-1 | 57 | Open |
| 1409 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 4 | Jakub Kosakowski | Jake Kleiman | 1-0 | 59 | Open |
| 1410 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 3 | Evgenij Shuvalov | Jakub Kosakowski | 0-1 | 44 | Open |
| 1411 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 3 | Bogdan-Daniel Deac | Jakub Kosakowski | 1-0 | 51 | Open |
| 1412 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 2 | Jakub Kosakowski | Frank Buchenau | 1-0 | 38 | Open |
| 1413 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 2 | Jakub Kosakowski | Mikhail Golubev | 0-1 | 53 | Open |
| 1414 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 1 | Pedro Gil Ferreira Da Silva | Jakub Kosakowski | 0-1 | 33 | Open |
| 1415 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 1 | Wojciech Przybylski | Jakub Kosakowski | 0-1 | 51 | Open |
| 1416 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 11 | Jakub Kosakowski | Mohamed Anees M | 1-0 | 44 | Open |
| 1417 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 11 | Jakub Kosakowski | Razvan Preotu | 1-0 | 25 | Open |
| 1418 | 2023-02-07 | Titled Tue 7th Feb Late | chess.com INT | 10 | Christopher Woojin Yoo | Jakub Kosakowski | 1-0 | 26 | Open |
| 1419 | 2023-02-07 | Titled Tue 7th Feb Early | chess.com INT | 10 | Hrair Simonian | Jakub Kosakowski | 1-0 | 17 | Open |
| 1420 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 9 | Ramon Jr. Manon-og | Jakub Kosakowski | 0-1 | 45 | Open |
| 1421 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 8 | Lovro Novosel | Jakub Kosakowski | 0-1 | 44 | Open |
| 1422 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 7 | Jakub Kosakowski | M Chakravarthi Reddy | 1-0 | 20 | Open |
| 1423 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 6 | Jakub Kosakowski | Darko R Mitrovic | 1-0 | 37 | Open |
| 1424 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 5 | Dashgyn Ibadov | Jakub Kosakowski | 1-0 | 19 | Open |
| 1425 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 5 | Jakub Kosakowski | Cristiano Gomes De Souza | 1-0 | 49 | Open |
| 1426 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 4 | Artem Omelja | Jakub Kosakowski | 0-1 | 48 | Open |
| 1427 | 2023-01-31 | Titled Tue 31st Jan Late | chess.com INT | 3 | Jakub Kosakowski | Khanya Mazibuko | 1-0 | 47 | Open |
| 1428 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 11 | Dina Gureeva | Jakub Kosakowski | 0-1 | 41 | Open |
| 1429 | 2023-01-31 | Titled Tue 31st Jan Early | chess.com INT | 10 | Jakub Kosakowski | Rasul Ibrahimov | 0-1 | 39 | Open |
| 1430 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 3 | Jakub Kosakowski | Gerson Principe | 0-1 | 68 | Open |
| 1431 | 2023-01-24 | Titled Tue 24th Jan Late | chess.com INT | 2 | Michal Mazurkiewicz | Jakub Kosakowski | 0-1 | 35 | Open |
| 1432 | 2023-01-17 | Titled Tue 17th Jan Late | chess.com INT | 4 | Neeraj Harish | Jakub Kosakowski | 0-1 | 29 | Open |
| 1433 | 2023-01-17 | Titled Tue 17th Jan Early | chess.com INT | 4 | Jakub Kosakowski | Petr Kostenko | 1-0 | 35 | Open |
| 1434 | 2023-01-17 | Titled Tue 17th Jan Early | chess.com INT | 3 | Yuri Kozin | Jakub Kosakowski | 1-0 | 26 | Open |
| 1435 | 2023-01-17 | Titled Tue 17th Jan Late | chess.com INT | 3 | Jakub Kosakowski | William Graif | 1/2-1/2 | 58 | Open |
| 1436 | 2023-01-17 | Titled Tue 17th Jan Late | chess.com INT | 2 | Jens Hirneise | Jakub Kosakowski | 1-0 | 14 | Open |
| 1437 | 2023-01-17 | Titled Tue 17th Jan Early | chess.com INT | 2 | Jakub Kosakowski | Taylan Ruzgar Ince | 0-1 | 39 | Open |
| 1438 | 2023-01-17 | Titled Tue 17th Jan Early | chess.com INT | 1 | Ivan Alonso Limon Olmos | Jakub Kosakowski | 0-1 | 37 | Open |
| 1439 | 2023-01-17 | Titled Tue 17th Jan Late | chess.com INT | 1 | Jakub Kosakowski | Rafal Tymrakiewicz | 1-0 | 40 | Open |
| 1440 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 9 | Ruben Gideon Koellner | Jakub Kosakowski | 0-1 | 59 | Open |
| 1441 | 2023-01-10 | Titled Tue 10th Jan Late | chess.com INT | 8 | Jakub Kosakowski | Richard Stalmach | 1-0 | 46 | Open |
| 1442 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 8 | Jakub Kosakowski | Roman Dehtiarov | 1-0 | 42 | Open |
| 1443 | 2023-01-10 | Titled Tue 10th Jan Late | chess.com INT | 7 | Arsal Gardezi | Jakub Kosakowski | 0-1 | 41 | Open |
| 1444 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 7 | Alexey Sarana | Jakub Kosakowski | 1-0 | 40 | Open |
| 1445 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 6 | Jakub Kosakowski | Yoon-Young Kim | 1-0 | 34 | Open |
| 1446 | 2023-01-10 | Titled Tue 10th Jan Late | chess.com INT | 6 | Jakub Kosakowski | Marharyta Novikova | 1-0 | 55 | Open |
| 1447 | 2023-01-10 | Titled Tue 10th Jan Late | chess.com INT | 5 | Carlos Jose Pinero Rodriguez | Jakub Kosakowski | 0-1 | 29 | Open |
| 1448 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 5 | Leinier Dominguez Perez | Jakub Kosakowski | 1/2-1/2 | 48 | Open |
| 1449 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 4 | Jakub Kosakowski | Wojciech Przybylski | 1-0 | 55 | Open |
| 1450 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 3 | Sebastian Mihajlov | Jakub Kosakowski | 0-1 | 40 | Open |
| 1451 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 2 | Jakub Kosakowski | Juan Sebastian Melian | 1/2-1/2 | 63 | Open |
| 1452 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 1 | Alikhon Avazkhonov | Jakub Kosakowski | 0-1 | 73 | Open |
| 1453 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 11 | Jakub Kosakowski | Vincent Keymer | 0-1 | 29 | Open |
| 1454 | 2023-01-10 | Titled Tue 10th Jan Early | chess.com INT | 10 | Jakub Kosakowski | Axel Bachmann | 1-0 | 65 | Open |
| 1455 | 2022-12-31 | XLI Ludwika Zamenhofa Mem | Bialystok POL | 9.5 | Jakub Kosakowski | Tomasz Markowski | 1/2-1/2 | 48 | Open |
| 1456 | 2022-12-30 | XLI Ludwika Zamenhofa Mem | Bialystok POL | 8.4 | Danyyil Dvirnyy | Jakub Kosakowski | 1/2-1/2 | 22 | Open |
| 1457 | 2022-12-30 | XLI Ludwika Zamenhofa Mem | Bialystok POL | 7.1 | Jakub Kosakowski | Vitaliy Bernadskiy | 1/2-1/2 | 19 | Open |
| 1458 | 2022-12-29 | XLI Ludwika Zamenhofa Mem | Bialystok POL | 6.3 | Marcin Krzyzanowski | Jakub Kosakowski | 1/2-1/2 | 44 | Open |
| 1459 | 2022-12-29 | XLI Ludwika Zamenhofa Mem | Bialystok POL | 5.5 | Jakub Kosakowski | Jakub Seemann | 1-0 | 77 | Open |
| 1460 | 2022-12-28 | XLI Ludwika Zamenhofa Mem | Bialystok POL | 4.2 | Pawel Teclaf | Jakub Kosakowski | 1-0 | 37 | Open |
| 1461 | 2022-12-28 | XLI Ludwika Zamenhofa Mem | Bialystok POL | 3.5 | Jakub Kosakowski | Alicja Sliwicka | 1-0 | 50 | Open |
| 1462 | 2022-12-27 | XLI Ludwika Zamenhofa Mem | Bialystok POL | 2.8 | Iwo Karolczuk | Jakub Kosakowski | 0-1 | 60 | Open |
| 1463 | 2022-12-27 | XLI Ludwika Zamenhofa Mem | Bialystok POL | 1.12 | Jakub Kosakowski | Hubert Backiel | 1-0 | 32 | Open |
| 1464 | 2022-12-18 | European Rapid 2022 | Katowice POL | 9.29 | Jakub Kosakowski | Konstantin Peyrer | 1-0 | 31 | Open |
| 1465 | 2022-12-18 | European Rapid 2022 | Katowice POL | 8.15 | Jakub Seemann | Jakub Kosakowski | 1-0 | 23 | Open |
| 1466 | 2022-12-18 | European Rapid 2022 | Katowice POL | 7.2 | Jakub Kosakowski | Dominik Orzech | 1-0 | 34 | Open |
| 1467 | 2022-12-18 | European Rapid 2022 | Katowice POL | 11.11 | Jakub Kosakowski | Aleksandra Maltsevskaya | 1/2-1/2 | 51 | Open |
| 1468 | 2022-12-18 | European Rapid 2022 | Katowice POL | 10.19 | Krystian Kuzmicz | Jakub Kosakowski | 0-1 | 60 | Open |
| 1469 | 2022-12-17 | European Rapid 2022 | Katowice POL | 6.14 | Felix Blohberger | Jakub Kosakowski | 1/2-1/2 | 29 | Open |
| 1470 | 2022-12-17 | European Rapid 2022 | Katowice POL | 5.23 | Jakub Kosakowski | Mathieu Ternault | 1-0 | 30 | Open |
| 1471 | 2022-12-17 | European Rapid 2022 | Katowice POL | 4.44 | Arthur Kruckenhauser | Jakub Kosakowski | 0-1 | 49 | Open |
| 1472 | 2022-12-17 | European Rapid 2022 | Katowice POL | 3.96 | Jakub Kosakowski | Piotr Kondys | 1-0 | 44 | Open |
| 1473 | 2022-12-17 | European Rapid 2022 | Katowice POL | 2.28 | Jaroslaw Paprocki | Jakub Kosakowski | 1/2-1/2 | 67 | Open |
| 1474 | 2022-12-17 | European Rapid 2022 | Katowice POL | 1.3 | Jakub Kosakowski | Wojciech Nagly | 1-0 | 48 | Open |
| 1475 | 2022-12-16 | European Blitz 2022 | Katowice POL | 9.7 | Bogdan-Daniel Deac | Jakub Kosakowski | 1-0 | 35 | Open |
| 1476 | 2022-12-16 | European Blitz 2022 | Katowice POL | 8.29 | Michal Bartel | Jakub Kosakowski | 0-1 | 0 | Open |
| 1477 | 2022-12-16 | European Blitz 2022 | Katowice POL | 7.29 | Jakub Kosakowski | Michal Bartel | 1-0 | 46 | Open |
| 1478 | 2022-12-16 | European Blitz 2022 | Katowice POL | 6.63 | Jakub Kosakowski | Andrii Trushko | 1-0 | 37 | Open |
| 1479 | 2022-12-16 | European Blitz 2022 | Katowice POL | 5.63 | Andrii Trushko | Jakub Kosakowski | 0-1 | 29 | Open |
| 1480 | 2022-12-16 | European Blitz 2022 | Katowice POL | 4.35 | Tygran Dzhuguryan | Jakub Kosakowski | 1/2-1/2 | 37 | Open |
| 1481 | 2022-12-16 | European Blitz 2022 | Katowice POL | 3.35 | Jakub Kosakowski | Tygran Dzhuguryan | 1-0 | 18 | Open |
| 1482 | 2022-12-16 | European Blitz 2022 | Katowice POL | 22.7 | Jakub Kosakowski | Luca Jr Moroni | 1/2-1/2 | 64 | Open |
| 1483 | 2022-12-16 | European Blitz 2022 | Katowice POL | 21.7 | Luca Jr Moroni | Jakub Kosakowski | 0-1 | 43 | Open |
| 1484 | 2022-12-16 | European Blitz 2022 | Katowice POL | 20.22 | Murtez Ondozi | Jakub Kosakowski | 0-1 | 45 | Open |
| 1485 | 2022-12-16 | European Blitz 2022 | Katowice POL | 2.35 | Jakub Kosakowski | Piotr Brzezina | 1-0 | 28 | Open |
| 1486 | 2022-12-16 | European Blitz 2022 | Katowice POL | 19.22 | Jakub Kosakowski | Murtez Ondozi | 1-0 | 30 | Open |
| 1487 | 2022-12-16 | European Blitz 2022 | Katowice POL | 18.34 | Jakub Kosakowski | Marcin Molenda | 1-0 | 54 | Open |
| 1488 | 2022-12-16 | European Blitz 2022 | Katowice POL | 17.34 | Marcin Molenda | Jakub Kosakowski | 0-1 | 47 | Open |
| 1489 | 2022-12-16 | European Blitz 2022 | Katowice POL | 16.17 | Antoni Kozak | Jakub Kosakowski | 1-0 | 37 | Open |
| 1490 | 2022-12-16 | European Blitz 2022 | Katowice POL | 15.17 | Jakub Kosakowski | Antoni Kozak | 0-1 | 80 | Open |
| 1491 | 2022-12-16 | European Blitz 2022 | Katowice POL | 14.25 | Jakub Kosakowski | Radoslaw Barski | 1-0 | 36 | Open |
| 1492 | 2022-12-16 | European Blitz 2022 | Katowice POL | 13.25 | Radoslaw Barski | Jakub Kosakowski | 0-1 | 23 | Open |
| 1493 | 2022-12-16 | European Blitz 2022 | Katowice POL | 12.36 | Havard Haug | Jakub Kosakowski | 0-1 | 55 | Open |
| 1494 | 2022-12-16 | European Blitz 2022 | Katowice POL | 11.36 | Jakub Kosakowski | Havard Haug | 1/2-1/2 | 68 | Open |
| 1495 | 2022-12-16 | European Blitz 2022 | Katowice POL | 10.7 | Jakub Kosakowski | Bogdan-Daniel Deac | 0-1 | 28 | Open |
| 1496 | 2022-12-16 | European Blitz 2022 | Katowice POL | 1.35 | Piotr Brzezina | Jakub Kosakowski | 0-1 | 28 | Open |
| 1497 | 2022-12-11 | ch-POL Semifinal 2022 | Karpacz POL | 9.3 | Jakub Kosakowski | Sebastian Poltorak | 0-1 | 38 | Open |
| 1498 | 2022-12-10 | ch-POL Semifinal 2022 | Karpacz POL | 8.3 | Tymon Czernek | Jakub Kosakowski | 1/2-1/2 | 72 | Open |
| 1499 | 2022-12-09 | ch-POL Semifinal 2022 | Karpacz POL | 7.5 | Jakub Kosakowski | Lukasz Jarmula | 1-0 | 60 | Open |
| 1500 | 2022-12-08 | ch-POL Semifinal 2022 | Karpacz POL | 6.5 | Jakub Luberanski | Jakub Kosakowski | 1/2-1/2 | 51 | Open |
| 1501 | 2022-12-07 | ch-POL Semifinal 2022 | Karpacz POL | 5.3 | Jakub Kosakowski | Oskar Wieczorek | 0-1 | 63 | Open |
| 1502 | 2022-12-06 | ch-POL Semifinal 2022 | Karpacz POL | 4.1 | Jan Malek | Jakub Kosakowski | 1/2-1/2 | 51 | Open |
| 1503 | 2022-12-05 | ch-POL Semifinal 2022 | Karpacz POL | 3.4 | Jakub Kosakowski | Piotr Goluch | 1-0 | 28 | Open |
| 1504 | 2022-12-04 | ch-POL Semifinal 2022 | Karpacz POL | 2.13 | Lukasz Nowak | Jakub Kosakowski | 1/2-1/2 | 27 | Open |
| 1505 | 2022-12-03 | ch-POL Semifinal 2022 | Karpacz POL | 1.3 | Jakub Kosakowski | Karol Kacprzak | 1-0 | 80 | Open |
| 1506 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 9 | Mekhriddin Sharifov | Jakub Kosakowski | 0-1 | 90 | Open |
| 1507 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 8 | Jakub Kosakowski | Ramil Sadykov | 1-0 | 55 | Open |
| 1508 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 7 | Federico Sellitti | Jakub Kosakowski | 1-0 | 60 | Open |
| 1509 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 6 | Dmitry Andreikin | Jakub Kosakowski | 1-0 | 19 | Open |
| 1510 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 5 | Jakub Kosakowski | Atilla Eynullayev | 1-0 | 32 | Open |
| 1511 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 4 | Jeffery Xiong | Jakub Kosakowski | 1-0 | 55 | Open |
| 1512 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 3 | Jakub Kosakowski | Mikhail Chernov | 1-0 | 62 | Open |
| 1513 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 2 | Koen Leenhouts | Jakub Kosakowski | 0-1 | 32 | Open |
| 1514 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 1 | Jakub Kosakowski | Samuel Malka | 1-0 | 29 | Open |
| 1515 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 11 | Jakub Kosakowski | Raunak Sadhwani | 0-1 | 37 | Open |
| 1516 | 2022-11-29 | Titled Tue 29th Nov Early | chess.com INT | 10 | Jakub Kosakowski | Meri Arabidze | 1-0 | 51 | Open |
| 1517 | 2022-11-22 | Titled Tue 22nd Nov Early | chess.com INT | 8 | Jakub Kosakowski | Dmitry Andreikin | 1-0 | 55 | Open |
| 1518 | 2022-11-22 | Titled Tue 22nd Nov Early | chess.com INT | 7 | Andrew Tang | Jakub Kosakowski | 0-1 | 30 | Open |
| 1519 | 2022-11-22 | Titled Tue 22nd Nov Early | chess.com INT | 6 | Paulius Pultinevicius | Jakub Kosakowski | 0-1 | 50 | Open |
| 1520 | 2022-11-22 | Titled Tue 22nd Nov Early | chess.com INT | 5 | Jakub Kosakowski | Ricardo D. D`Arruda | 1-0 | 54 | Open |
| 1521 | 2022-11-22 | Titled Tue 22nd Nov Early | chess.com INT | 4 | Jakub Kosakowski | Leo Crevatin | 1-0 | 21 | Open |
| 1522 | 2022-11-22 | Titled Tue 22nd Nov Early | chess.com INT | 3 | Rasmus Svane | Jakub Kosakowski | 1-0 | 44 | Open |
| 1523 | 2022-11-22 | Titled Tue 22nd Nov Early | chess.com INT | 2 | Iung Alicio de O. Pinheiro | Jakub Kosakowski | 0-1 | 50 | Open |
| 1524 | 2022-11-22 | Titled Tue 22nd Nov Early | chess.com INT | 1 | Jakub Kosakowski | Anatoly Donskov | 1-0 | 37 | Open |
| 1525 | 2022-11-22 | Titled Tue 22nd Nov Early | chess.com INT | 11 | Jakub Kosakowski | Baadur Jobava | 0-1 | 37 | Open |
| 1526 | 2022-11-22 | Titled Tue 22nd Nov Early | chess.com INT | 10 | Alexey Sarana | Jakub Kosakowski | 1/2-1/2 | 71 | Open |
| 1527 | 2022-11-15 | Titled Tue 15th Nov Early | chess.com INT | 5 | Jakub Kosakowski | Yakov Ginzburg | 0-1 | 75 | Open |
| 1528 | 2022-11-15 | Titled Tue 15th Nov Early | chess.com INT | 4 | Nodirbek Abdusattorov | Jakub Kosakowski | 1-0 | 30 | Open |
| 1529 | 2022-11-15 | Titled Tue 15th Nov Late | chess.com INT | 4 | Varvara Poliakova | Jakub Kosakowski | 1-0 | 48 | Open |
| 1530 | 2022-11-15 | Titled Tue 15th Nov Late | chess.com INT | 3 | Frank Buchenau | Jakub Kosakowski | 0-1 | 18 | Open |
| 1531 | 2022-11-15 | Titled Tue 15th Nov Early | chess.com INT | 3 | Jakub Kosakowski | Daniil Dubov | 1-0 | 48 | Open |
| 1532 | 2022-11-15 | Titled Tue 15th Nov Early | chess.com INT | 2 | Daniil Manelyuk | Jakub Kosakowski | 0-1 | 39 | Open |
| 1533 | 2022-11-15 | Titled Tue 15th Nov Late | chess.com INT | 2 | Jakub Kosakowski | Ankush Khandelwal | 1/2-1/2 | 59 | Open |
| 1534 | 2022-11-15 | Titled Tue 15th Nov Late | chess.com INT | 1 | Michael Klenburg | Jakub Kosakowski | 1-0 | 54 | Open |
| 1535 | 2022-11-15 | Titled Tue 15th Nov Early | chess.com INT | 1 | Jakub Kosakowski | Alikhon Avazkhonov | 1-0 | 48 | Open |
| 1536 | 2022-11-12 | chess.com SpeedChess Q2Sw | chess.com INT | 9 | Jakub Kosakowski | Shamsiddin Vokhidov | 1-0 | 45 | Open |
| 1537 | 2022-11-12 | chess.com SpeedChess Q2Sw | chess.com INT | 8 | Aaditya Dhingra | Jakub Kosakowski | 0-1 | 44 | Open |
| 1538 | 2022-11-12 | chess.com SpeedChess Q2Sw | chess.com INT | 7 | Jake Kleiman | Jakub Kosakowski | 0-1 | 43 | Open |
| 1539 | 2022-11-12 | chess.com SpeedChess Q2Sw | chess.com INT | 6 | Jakub Kosakowski | Przemyslaw Koc | 0-1 | 46 | Open |
| 1540 | 2022-11-12 | chess.com SpeedChess Q2Sw | chess.com INT | 5 | Ekaterina Goltseva | Jakub Kosakowski | 0-1 | 23 | Open |
| 1541 | 2022-11-12 | chess.com SpeedChess Q2Sw | chess.com INT | 4 | Jakub Kosakowski | Daniel Naroditsky | 0-1 | 31 | Open |
| 1542 | 2022-11-12 | chess.com SpeedChess Q2Sw | chess.com INT | 3 | Dawid Czerw | Jakub Kosakowski | 0-1 | 31 | Open |
| 1543 | 2022-11-12 | chess.com SpeedChess Q2Sw | chess.com INT | 2 | Jakub Kosakowski | A.R. Saleh Salem | 0-1 | 43 | Open |
| 1544 | 2022-11-12 | chess.com SpeedChess Q2Sw | chess.com INT | 1 | Donald Johnson | Jakub Kosakowski | 0-1 | 45 | Open |
| 1545 | 2022-11-12 | chess.com SpeedChess Q2Sw | chess.com INT | 13 | Jakub Kosakowski | Yair Parkhov | 0-1 | 37 | Open |
| 1546 | 2022-11-12 | chess.com SpeedChess Q2Sw | chess.com INT | 12 | Sergei Zhigalko | Jakub Kosakowski | 1-0 | 33 | Open |
| 1547 | 2022-11-12 | chess.com SpeedChess Q2Sw | chess.com INT | 11 | Jakub Kosakowski | V Pranav | 1-0 | 36 | Open |
| 1548 | 2022-11-12 | chess.com SpeedChess Q2Sw | chess.com INT | 10 | Renato Terry | Jakub Kosakowski | 1-0 | 55 | Open |
| 1549 | 2022-11-08 | Titled Tue 8th Nov Late | chess.com INT | 9 | Dmitry Andreikin | Jakub Kosakowski | 1-0 | 31 | Open |
| 1550 | 2022-11-08 | Titled Tue 8th Nov Late | chess.com INT | 8 | Jakub Kosakowski | Georgios Kanakaris | 1-0 | 33 | Open |
| 1551 | 2022-11-08 | Titled Tue 8th Nov Late | chess.com INT | 7 | Daniil Postnikov | Jakub Kosakowski | 0-1 | 23 | Open |
| 1552 | 2022-11-08 | Titled Tue 8th Nov Late | chess.com INT | 6 | Jakub Kosakowski | Marcos Rodriguez Fontecha | 1-0 | 15 | Open |
| 1553 | 2022-11-08 | Titled Tue 8th Nov Late | chess.com INT | 5 | Nikolaos Koutlas | Jakub Kosakowski | 0-1 | 32 | Open |
| 1554 | 2022-11-08 | Titled Tue 8th Nov Early | chess.com INT | 5 | Jakub Kosakowski | Bagwe Gaurang | 1-0 | 42 | Open |
| 1555 | 2022-11-08 | Titled Tue 8th Nov Early | chess.com INT | 4 | Anastasia Bodnaruk | Jakub Kosakowski | 0-1 | 25 | Open |
| 1556 | 2022-11-08 | Titled Tue 8th Nov Late | chess.com INT | 4 | Jakub Kosakowski | Andres Ferriz Barrios | 1-0 | 28 | Open |
| 1557 | 2022-11-08 | Titled Tue 8th Nov Late | chess.com INT | 3 | Daniil Manelyuk | Jakub Kosakowski | 1-0 | 35 | Open |
| 1558 | 2022-11-08 | Titled Tue 8th Nov Early | chess.com INT | 3 | Jakub Kosakowski | Attila Turzo | 1-0 | 72 | Open |
| 1559 | 2022-11-08 | Titled Tue 8th Nov Early | chess.com INT | 2 | Alexander Goldin | Jakub Kosakowski | 1-0 | 43 | Open |
| 1560 | 2022-11-08 | Titled Tue 8th Nov Late | chess.com INT | 2 | Jakub Kosakowski | Gerson Principe | 0-1 | 46 | Open |
| 1561 | 2022-11-08 | Titled Tue 8th Nov Late | chess.com INT | 1 | Jose Barria | Jakub Kosakowski | 0-1 | 37 | Open |
| 1562 | 2022-11-08 | Titled Tue 8th Nov Early | chess.com INT | 1 | Jakub Kosakowski | Attila Jr. Forgacs | 1-0 | 39 | Open |
| 1563 | 2022-11-08 | Titled Tue 8th Nov Late | chess.com INT | 11 | Marcus R Harvey | Jakub Kosakowski | 0-1 | 29 | Open |
| 1564 | 2022-11-08 | Titled Tue 8th Nov Late | chess.com INT | 10 | Jakub Kosakowski | Jake Kleiman | 0-1 | 29 | Open |
| 1565 | 2022-11-01 | Titled Tue 1st Nov Early | chess.com INT | 9 | Jakub Kosakowski | Can Haktan Unat | 1-0 | 58 | Open |
| 1566 | 2022-11-01 | Titled Tue 1st Nov Early | chess.com INT | 8 | Oscar Humberto Ardila | Jakub Kosakowski | 0-1 | 30 | Open |
| 1567 | 2022-11-01 | Titled Tue 1st Nov Early | chess.com INT | 7 | Jakub Kosakowski | Jacques Muller Luxama | 1-0 | 39 | Open |
| 1568 | 2022-11-01 | Titled Tue 1st Nov Early | chess.com INT | 6 | Marcel Winkels | Jakub Kosakowski | 0-1 | 69 | Open |
| 1569 | 2022-11-01 | Titled Tue 1st Nov Early | chess.com INT | 11 | Jakub Kosakowski | Daniel Barria Zuniga | 1-0 | 39 | Open |
| 1570 | 2022-11-01 | Titled Tue 1st Nov Early | chess.com INT | 10 | Danil Najdin | Jakub Kosakowski | 0-1 | 22 | Open |
| 1571 | 2022-10-25 | Titled Tue 25th Oct Early | chess.com INT | 9 | Hovik Hayrapetyan | Jakub Kosakowski | 0-1 | 43 | Open |
| 1572 | 2022-10-25 | Titled Tue 25th Oct Early | chess.com INT | 8 | Jakub Kosakowski | Vasiliy Korchmar | 1-0 | 68 | Open |
| 1573 | 2022-10-25 | Titled Tue 25th Oct Early | chess.com INT | 7 | Cem Kaan Gokerkan | Jakub Kosakowski | 1-0 | 36 | Open |
| 1574 | 2022-10-25 | Titled Tue 25th Oct Early | chess.com INT | 6 | Jakub Kosakowski | Joshua Colas | 1-0 | 52 | Open |
| 1575 | 2022-10-25 | Titled Tue 25th Oct Early | chess.com INT | 5 | Shahruh Turayev | Jakub Kosakowski | 0-1 | 54 | Open |
| 1576 | 2022-10-25 | Titled Tue 25th Oct Early | chess.com INT | 4 | Jakub Kosakowski | Danila Bilan | 1-0 | 52 | Open |
| 1577 | 2022-10-25 | Titled Tue 25th Oct Early | chess.com INT | 3 | Lucas Di Nicolantonio | Jakub Kosakowski | 1-0 | 72 | Open |
| 1578 | 2022-10-25 | Titled Tue 25th Oct Early | chess.com INT | 2 | Jakub Kosakowski | Maksim Volkov | 1/2-1/2 | 57 | Open |
| 1579 | 2022-10-25 | Titled Tue 25th Oct Early | chess.com INT | 1 | Daniel Taboas Rodriguez | Jakub Kosakowski | 0-1 | 67 | Open |
| 1580 | 2022-10-25 | Titled Tue 25th Oct Early | chess.com INT | 11 | Jakub Kosakowski | Vahap Sanal | 0-1 | 55 | Open |
| 1581 | 2022-10-25 | Titled Tue 25th Oct Early | chess.com INT | 10 | Vladislav Lymar | Jakub Kosakowski | 0-1 | 34 | Open |
| 1582 | 2022-10-22 | 59th World Juniors 2022 | Cala Gonone ITA | 11.11 | Felix Blohberger | Jakub Kosakowski | 1/2-1/2 | 42 | Open |
| 1583 | 2022-10-21 | 59th World Juniors 2022 | Cala Gonone ITA | 10.1 | Jakub Kosakowski | Dambasuren Batsuren | 1/2-1/2 | 65 | Open |
| 1584 | 2022-10-20 | 59th World Juniors 2022 | Cala Gonone ITA | 9.8 | Momchil Petkov | Jakub Kosakowski | 1/2-1/2 | 30 | Open |
| 1585 | 2022-10-19 | 59th World Juniors 2022 | Cala Gonone ITA | 8.4 | Jakub Kosakowski | Leon Luke Mendonca | 1/2-1/2 | 30 | Open |
| 1586 | 2022-10-18 | 59th World Juniors 2022 | Cala Gonone ITA | 7.15 | Konstantin Peyrer | Jakub Kosakowski | 0-1 | 59 | Open |
| 1587 | 2022-10-16 | 59th World Juniors 2022 | Cala Gonone ITA | 6.13 | Jakub Kosakowski | Yahli Sokolovsky | 1/2-1/2 | 60 | Open |
| 1588 | 2022-10-15 | 59th World Juniors 2022 | Cala Gonone ITA | 5.5 | Velimir Ivic | Jakub Kosakowski | 1/2-1/2 | 60 | Open |
| 1589 | 2022-10-14 | 59th World Juniors 2022 | Cala Gonone ITA | 4.17 | Kirill Chukavin | Jakub Kosakowski | 0-1 | 0 | Open |
| 1590 | 2022-10-13 | 59th World Juniors 2022 | Cala Gonone ITA | 3.2 | Jakub Kosakowski | Frederik Svane | 0-1 | 49 | Open |
| 1591 | 2022-10-13 | 59th World Juniors 2022 | Cala Gonone ITA | 2.2 | Yovann Gatineau | Jakub Kosakowski | 0-1 | 37 | Open |
| 1592 | 2022-10-12 | 59th World Juniors 2022 | Cala Gonone ITA | 1.26 | Jakub Kosakowski | Niccolo` Casadio | 1-0 | 31 | Open |
| 1593 | 2022-10-04 | Titled Tue 4th Oct Early | chess.com INT | 9 | Jakub Kosakowski | Nikita Matinian | 0-1 | 24 | Open |
| 1594 | 2022-10-04 | Titled Tue 4th Oct Early | chess.com INT | 8 | Ihor Samunenkov | Jakub Kosakowski | 0-1 | 58 | Open |
| 1595 | 2022-10-04 | Titled Tue 4th Oct Early | chess.com INT | 7 | Jakub Kosakowski | Airat Sadubayev | 1-0 | 64 | Open |
| 1596 | 2022-10-04 | Titled Tue 4th Oct Early | chess.com INT | 6 | Cristi Machidon | Jakub Kosakowski | 0-1 | 39 | Open |
| 1597 | 2022-10-04 | Titled Tue 4th Oct Early | chess.com INT | 5 | Jakub Kosakowski | Vjacheslav Weetik | 0-1 | 44 | Open |
| 1598 | 2022-10-04 | Titled Tue 4th Oct Early | chess.com INT | 4 | Egor Korelskiy | Jakub Kosakowski | 0-1 | 45 | Open |
| 1599 | 2022-10-04 | Titled Tue 4th Oct Early | chess.com INT | 3 | Jakub Kosakowski | Egor Baskakov | 0-1 | 36 | Open |
| 1600 | 2022-10-04 | Titled Tue 4th Oct Early | chess.com INT | 2 | Serhan Berat Ozdemir | Jakub Kosakowski | 0-1 | 28 | Open |
| 1601 | 2022-10-04 | Titled Tue 4th Oct Early | chess.com INT | 1 | Jakub Kosakowski | Shane Melaugh | 1-0 | 60 | Open |
| 1602 | 2022-10-04 | Titled Tue 4th Oct Early | chess.com INT | 11 | Jakub Kosakowski | Konstantin L. Kodinets | 1-0 | 37 | Open |
| 1603 | 2022-10-04 | Titled Tue 4th Oct Early | chess.com INT | 10 | Levy Rozman | Jakub Kosakowski | 0-1 | 21 | Open |
| 1604 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 9 | Brewington Hardaway | Jakub Kosakowski | 0-1 | 24 | Open |
| 1605 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 8 | Jakub Kosakowski | Piotr Piesik | 1-0 | 94 | Open |
| 1606 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 7 | Sipke Ernst | Jakub Kosakowski | 1/2-1/2 | 43 | Open |
| 1607 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 6 | Jakub Kosakowski | Matej Sebenik | 1-0 | 27 | Open |
| 1608 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 5 | Arad Nazari | Jakub Kosakowski | 1-0 | 34 | Open |
| 1609 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 4 | Jakub Kosakowski | Cristi Machidon | 1-0 | 22 | Open |
| 1610 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 3 | Nadya Toncheva | Jakub Kosakowski | 0-1 | 36 | Open |
| 1611 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 2 | Jakub Kosakowski | Guillermo Baches Garcia | 1-0 | 67 | Open |
| 1612 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 1 | Luis David Jimenez Almeida | Jakub Kosakowski | 1-0 | 42 | Open |
| 1613 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 11 | Jakub Kosakowski | Fabiano Caruana | 0-1 | 54 | Open |
| 1614 | 2022-09-27 | Titled Tue 27th Sep Early | chess.com INT | 10 | Jakub Kosakowski | Reza Mahdavi | 1-0 | 16 | Open |
| 1615 | 2022-09-24 | ch-POL Blitz 2022 | Suwalki POL | 9.3 | Jakub Kosakowski | Kacper Kacprzak | 1-0 | 59 | Open |
| 1616 | 2022-09-24 | ch-POL Blitz 2022 | Suwalki POL | 8.2 | Kacper Zochowski | Jakub Kosakowski | 1-0 | 60 | Open |
| 1617 | 2022-09-24 | ch-POL Blitz 2022 | Suwalki POL | 7.1 | Jakub Kosakowski | Grzegorz Nasuta | 0-1 | 28 | Open |
| 1618 | 2022-09-24 | ch-POL Blitz 2022 | Suwalki POL | 6.1 | Iwo Karolczuk | Jakub Kosakowski | 0-1 | 38 | Open |
| 1619 | 2022-09-24 | ch-POL Blitz 2022 | Suwalki POL | 5.2 | Jakub Kosakowski | Piotr Piesik | 1-0 | 39 | Open |
| 1620 | 2022-09-24 | ch-POL Blitz 2022 | Suwalki POL | 4.3 | Marek Chomczyk | Jakub Kosakowski | 0-1 | 24 | Open |
| 1621 | 2022-09-24 | ch-POL Blitz 2022 | Suwalki POL | 3.3 | Jakub Kosakowski | Pawel Flak | 1-0 | 37 | Open |
| 1622 | 2022-09-24 | ch-POL Blitz 2022 | Suwalki POL | 2.3 | Adam Ryszkiewicz | Jakub Kosakowski | 0-1 | 32 | Open |
| 1623 | 2022-09-24 | ch-POL Blitz 2022 | Suwalki POL | 15.1 | Jakub Kosakowski | Bartosz Socko | 1/2-1/2 | 87 | Open |
| 1624 | 2022-09-24 | ch-POL Blitz 2022 | Suwalki POL | 14.1 | Karol Kacprzak | Jakub Kosakowski | 0-1 | 65 | Open |
| 1625 | 2022-09-24 | ch-POL Blitz 2022 | Suwalki POL | 13.3 | Jacek Gdanski | Jakub Kosakowski | 0-1 | 59 | Open |
| 1626 | 2022-09-24 | ch-POL Blitz 2022 | Suwalki POL | 12.2 | Jakub Kosakowski | Jan Kokoszczynski | 1-0 | 33 | Open |
| 1627 | 2022-09-24 | ch-POL Blitz 2022 | Suwalki POL | 11.2 | Kamil Miton | Jakub Kosakowski | 1/2-1/2 | 59 | Open |
| 1628 | 2022-09-24 | ch-POL Blitz 2022 | Suwalki POL | 10.3 | Jakub Kosakowski | Adrian Budzisz | 1-0 | 21 | Open |
| 1629 | 2022-09-24 | ch-POL Blitz 2022 | Suwalki POL | 1.3 | Jakub Kosakowski | Piotr Jaszczuk | 1-0 | 26 | Open |
| 1630 | 2022-09-20 | Titled Tue 20th Sep Early | chess.com INT | 9 | Jakub Kosakowski | Robert Aloma Vidal | 1-0 | 43 | Open |
| 1631 | 2022-09-20 | Titled Tue 20th Sep Early | chess.com INT | 8 | A.R. Saleh Salem | Jakub Kosakowski | 1-0 | 21 | Open |
| 1632 | 2022-09-20 | Titled Tue 20th Sep Early | chess.com INT | 7 | Andrii Vachylia | Jakub Kosakowski | 0-1 | 46 | Open |
| 1633 | 2022-09-20 | Titled Tue 20th Sep Early | chess.com INT | 6 | Jakub Kosakowski | Daniel Barria Zuniga | 1-0 | 25 | Open |
| 1634 | 2022-09-20 | Titled Tue 20th Sep Early | chess.com INT | 5 | Maksim Volkov | Jakub Kosakowski | 0-1 | 28 | Open |
| 1635 | 2022-09-20 | Titled Tue 20th Sep Early | chess.com INT | 4 | Vsevolod Ovchinnikov | Jakub Kosakowski | 0-1 | 82 | Open |
| 1636 | 2022-09-20 | Titled Tue 20th Sep Early | chess.com INT | 3 | Jakub Kosakowski | Joachim Mouhamad | 1-0 | 32 | Open |
| 1637 | 2022-09-20 | Titled Tue 20th Sep Early | chess.com INT | 2 | Jesper Morch Lauridsen | Jakub Kosakowski | 1/2-1/2 | 32 | Open |
| 1638 | 2022-09-20 | Titled Tue 20th Sep Early | chess.com INT | 1 | Jakub Kosakowski | Fernando Lopez Gracia | 0-1 | 63 | Open |
| 1639 | 2022-09-20 | Titled Tue 20th Sep Early | chess.com INT | 11 | Jakub Kosakowski | V Pranav | 0-1 | 29 | Open |
| 1640 | 2022-09-20 | Titled Tue 20th Sep Early | chess.com INT | 10 | Damian Lewtak | Jakub Kosakowski | 0-1 | 22 | Open |
| 1641 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 9 | Jakub Kosakowski | Aleksandar Indjic | 1-0 | 33 | Open |
| 1642 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 8 | Jakub Kosakowski | Harsh Suresh | 1-0 | 24 | Open |
| 1643 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 7 | Koustav Chatterjee | Jakub Kosakowski | 1-0 | 55 | Open |
| 1644 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 6 | Jakub Kosakowski | Vaibhav Jayant Raut | 1-0 | 41 | Open |
| 1645 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 5 | Tuan Minh Le | Jakub Kosakowski | 1-0 | 53 | Open |
| 1646 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 4 | Jakub Kosakowski | Marcus R Harvey | 1-0 | 24 | Open |
| 1647 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 3 | Iung Alicio de O. Pinheiro | Jakub Kosakowski | 0-1 | 62 | Open |
| 1648 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 2 | Azat Gabdrakhmanov | Jakub Kosakowski | 0-1 | 46 | Open |
| 1649 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 1 | Jakub Kosakowski | Guenther Wachinger | 1-0 | 28 | Open |
| 1650 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 11 | Jakub Kosakowski | Ihor Samunenkov | 1-0 | 26 | Open |
| 1651 | 2022-09-13 | Titled Tue 13th Sep Early | chess.com INT | 10 | Baadur Jobava | Jakub Kosakowski | 1-0 | 43 | Open |
| 1652 | 2022-09-11 | TCh-POL 1st League 2022 | Sypniewo POL | 9.1 | Jakub Kosakowski | Maciej Marszalek | 1-0 | 35 | Open |
| 1653 | 2022-09-10 | TCh-POL 1st League 2022 | Sypniewo POL | 8.2 | Franciszek Sernecki | Jakub Kosakowski | 1/2-1/2 | 26 | Open |
| 1654 | 2022-09-09 | TCh-POL 1st League 2022 | Sypniewo POL | 7.1 | Jakub Kosakowski | Petr Velicka | 1-0 | 47 | Open |
| 1655 | 2022-09-08 | TCh-POL 1st League 2022 | Sypniewo POL | 6.1 | Kacper Tomaszewski | Jakub Kosakowski | 1/2-1/2 | 48 | Open |
| 1656 | 2022-09-06 | TCh-POL 1st League 2022 | Sypniewo POL | 4.1 | Kacper Kacprzak | Jakub Kosakowski | 1/2-1/2 | 33 | Open |
| 1657 | 2022-09-05 | TCh-POL 1st League 2022 | Sypniewo POL | 3.2 | Jakub Kosakowski | Rafal Antoniewski | 1/2-1/2 | 22 | Open |
| 1658 | 2022-09-04 | TCh-POL 1st League 2022 | Sypniewo POL | 2.2 | Mateusz Hasterok | Jakub Kosakowski | 0-1 | 48 | Open |
| 1659 | 2022-09-03 | TCh-POL 1st League 2022 | Sypniewo POL | 1.2 | Jakub Kosakowski | Krzysztof Budrewicz | 1-0 | 45 | Open |
| 1660 | 2022-09-01 | Maia Chess Open 2022 | Maia POR | 9.14 | Jakub Kosakowski | Miguel Sismeiro | 1/2-1/2 | 31 | Open |
| 1661 | 2022-08-31 | Maia Chess Open 2022 | Maia POR | 8.15 | Ferran Cervello Tost | Jakub Kosakowski | 1/2-1/2 | 35 | Open |
| 1662 | 2022-08-30 | Maia Chess Open 2022 | Maia POR | 6.6 | Yasser Quesada Perez | Jakub Kosakowski | 1-0 | 34 | Open |
| 1663 | 2022-08-28 | Maia Chess Open 2022 | Maia POR | 4.4 | Manuel Perez Candelario | Jakub Kosakowski | 1-0 | 44 | Open |
| 1664 | 2022-08-27 | Maia Chess Open 2022 | Maia POR | 3.2 | Jakub Kosakowski | Johan-Sebastian Christiansen | 1-0 | 58 | Open |
| 1665 | 2022-08-23 | 3rd Tras-os-Montes Open | Mirandela POR | 9.4 | Jakub Kosakowski | Kevin Spraggett | 1-0 | 37 | Open |
| 1666 | 2022-08-22 | 3rd Tras-os-Montes Open | Mirandela POR | 8.7 | Mario Alexis Arias Gaviria | Jakub Kosakowski | 0-1 | 68 | Open |
| 1667 | 2022-08-21 | 3rd Tras-os-Montes Open | Mirandela POR | 7.1 | Jakub Kosakowski | Carlos Daniel Albornoz Cabrera | 0-1 | 43 | Open |
| 1668 | 2022-08-20 | 3rd Tras-os-Montes Open | Mirandela POR | 6.2 | Omar Almeida Quintana | Jakub Kosakowski | 1/2-1/2 | 30 | Open |
| 1669 | 2022-08-20 | 3rd Tras-os-Montes Open | Mirandela POR | 5.4 | Jakub Kosakowski | Arkadiusz Leniart | 1-0 | 87 | Open |
| 1670 | 2022-08-19 | 3rd Tras-os-Montes Open | Mirandela POR | 4.9 | Rao S.V. Srinath | Jakub Kosakowski | 0-1 | 38 | Open |
| 1671 | 2022-08-18 | 3rd Tras-os-Montes Open | Mirandela POR | 3.15 | Jakub Kosakowski | Guilherme Deola Borges | 1-0 | 62 | Open |
| 1672 | 2022-08-18 | 3rd Tras-os-Montes Open | Mirandela POR | 2.13 | Kathie Goulart Librelato | Jakub Kosakowski | 1/2-1/2 | 67 | Open |
| 1673 | 2022-08-17 | 3rd Tras-os-Montes Open | Mirandela POR | 1.16 | Jakub Kosakowski | Rodrigo Andias Sarabando | 1-0 | 31 | Open |
| 1674 | 2022-08-10 | 6th Irena Warakomska Mem | Suwalki POL | 9.4 | Jakub Kosakowski | Jakub Fus | 1-0 | 66 | Open |
| 1675 | 2022-08-09 | 6th Irena Warakomska Mem | Suwalki POL | 8.7 | Tymon Czernek | Jakub Kosakowski | 0-1 | 79 | Open |
| 1676 | 2022-08-08 | 6th Irena Warakomska Mem | Suwalki POL | 7.3 | Jakub Kosakowski | Szymon Gumularz | 0-1 | 24 | Open |
| 1677 | 2022-08-07 | 6th Irena Warakomska Mem | Suwalki POL | 6.1 | Jiri Stocek | Jakub Kosakowski | 1/2-1/2 | 48 | Open |
| 1678 | 2022-08-06 | 6th Irena Warakomska Mem | Suwalki POL | 5.5 | Jakub Kosakowski | Damian Lewtak | 1-0 | 35 | Open |
| 1679 | 2022-08-05 | 6th Irena Warakomska Mem | Suwalki POL | 4.9 | Shantanu Bhambure | Jakub Kosakowski | 0-1 | 29 | Open |
| 1680 | 2022-08-05 | 6th Irena Warakomska Mem | Suwalki POL | 3.13 | Jakub Kosakowski | Tomasz Pacuszka | 1-0 | 38 | Open |
| 1681 | 2022-08-04 | 6th Irena Warakomska Mem | Suwalki POL | 2.24 | Rafal Buraczewski | Jakub Kosakowski | 0-1 | 29 | Open |
| 1682 | 2022-08-03 | 6th Irena Warakomska Mem | Suwalki POL | 1.12 | Jakub Kosakowski | Witold Klepek | 0-1 | 30 | Open |
| 1683 | 2022-07-19 | Titled Tue 19th Jul Early | chess.com INT | 2 | Adam Gaisinsky | Jakub Kosakowski | 0-1 | 38 | Open |
| 1684 | 2022-07-08 | Jana Maciei Mem 2022 | Warsaw POL | 9.8 | Jakub Kosakowski | Wojciech Smieszek | 1-0 | 45 | Open |
| 1685 | 2022-07-08 | Jana Maciei Mem 2022 | Warsaw POL | 8.11 | Aleksandra Lach | Jakub Kosakowski | 0-1 | 39 | Open |
| 1686 | 2022-07-08 | Jana Maciei Mem 2022 | Warsaw POL | 7.3 | Jakub Kosakowski | Oskar Wieczorek | 0-1 | 31 | Open |
| 1687 | 2022-07-08 | Jana Maciei Mem 2022 | Warsaw POL | 6.2 | Jakub Kosakowski | Michal Koziorowicz | 0-1 | 52 | Open |
| 1688 | 2022-07-08 | Jana Maciei Mem 2022 | Warsaw POL | 5.2 | Petro Golubka | Jakub Kosakowski | 0-1 | 62 | Open |
| 1689 | 2022-07-08 | Jana Maciei Mem 2022 | Warsaw POL | 4.3 | Jakub Kosakowski | Piotr Nguyen | 1-0 | 26 | Open |
| 1690 | 2022-07-08 | Jana Maciei Mem 2022 | Warsaw POL | 3.4 | Patryk Chylewski | Jakub Kosakowski | 0-1 | 40 | Open |
| 1691 | 2022-07-08 | Jana Maciei Mem 2022 | Warsaw POL | 11.1 | Jakub Kosakowski | Jha Sriram | 1-0 | 26 | Open |
| 1692 | 2022-07-08 | Jana Maciei Mem 2022 | Warsaw POL | 10.4 | Lukasz Licznerski | Jakub Kosakowski | 1-0 | 57 | Open |
| 1693 | 2022-07-04 | Bydgoszcz Open A 2022 | Bydgoszcz POL | 10.6 | Jan Malek | Jakub Kosakowski | 1-0 | 25 | Open |
| 1694 | 2022-07-03 | Bydgoszcz Open A 2022 | Bydgoszcz POL | 9.7 | Jakub Kosakowski | Michalina Rudzinska | 1-0 | 73 | Open |
| 1695 | 2022-07-02 | Bydgoszcz Open A 2022 | Bydgoszcz POL | 8.4 | Michal Krasenkow | Jakub Kosakowski | 1-0 | 58 | Open |
| 1696 | 2022-07-01 | Bydgoszcz Open A 2022 | Bydgoszcz POL | 7.6 | Jakub Kosakowski | Andrei Maksimenko | 1/2-1/2 | 51 | Open |
| 1697 | 2022-06-30 | Bydgoszcz Open A 2022 | Bydgoszcz POL | 6.3 | Szymon Gumularz | Jakub Kosakowski | 1/2-1/2 | 20 | Open |
| 1698 | 2022-06-29 | Bydgoszcz Open A 2022 | Bydgoszcz POL | 5.9 | Jakub Kosakowski | Kacper Kacprzak | 1-0 | 43 | Open |
| 1699 | 2022-06-28 | Bydgoszcz Open A 2022 | Bydgoszcz POL | 4.4 | Krzysztof Jakubowski | Jakub Kosakowski | 1-0 | 59 | Open |
| 1700 | 2022-06-27 | Bydgoszcz Open A 2022 | Bydgoszcz POL | 3.1 | Jakub Kosakowski | Bartlomiej Heberla | 1/2-1/2 | 43 | Open |
| 1701 | 2022-06-26 | Bydgoszcz Open A 2022 | Bydgoszcz POL | 2.8 | Antoni Paprocki | Jakub Kosakowski | 0-1 | 35 | Open |
| 1702 | 2022-06-25 | Bydgoszcz Open A 2022 | Bydgoszcz POL | 1.9 | Jakub Kosakowski | Piotr Kolodziejski | 1-0 | 29 | Open |
| 1703 | 2022-06-21 | Titled Tue 21st Jun Early | chess.com INT | 9 | Jakub Kosakowski | Olexandr Bortnyk | 1-0 | 45 | Open |
| 1704 | 2022-06-21 | Titled Tue 21st Jun Early | chess.com INT | 8 | Jakub Kosakowski | Alexandr Fier | 1-0 | 37 | Open |
| 1705 | 2022-06-21 | Titled Tue 21st Jun Early | chess.com INT | 7 | Baadur Jobava | Jakub Kosakowski | 1-0 | 34 | Open |
| 1706 | 2022-06-21 | Titled Tue 21st Jun Early | chess.com INT | 6 | Jakub Kosakowski | Ori Taichman | 1-0 | 47 | Open |
| 1707 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 5 | Tanraj Sohal | Jakub Kosakowski | 1-0 | 40 | Open |
| 1708 | 2022-06-21 | Titled Tue 21st Jun Early | chess.com INT | 5 | Sven Tica | Jakub Kosakowski | 0-1 | 27 | Open |
| 1709 | 2022-06-21 | Titled Tue 21st Jun Early | chess.com INT | 4 | Wesley So | Jakub Kosakowski | 1-0 | 37 | Open |
| 1710 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 4 | Jakub Kosakowski | Anton Isajevsky | 1-0 | 23 | Open |
| 1711 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 3 | Joshua Altman | Jakub Kosakowski | 0-1 | 34 | Open |
| 1712 | 2022-06-21 | Titled Tue 21st Jun Early | chess.com INT | 3 | Jakub Kosakowski | Daniel Barria Zuniga | 1-0 | 26 | Open |
| 1713 | 2022-06-21 | Titled Tue 21st Jun Early | chess.com INT | 2 | Iung Alicio de O. Pinheiro | Jakub Kosakowski | 0-1 | 64 | Open |
| 1714 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 2 | Jakub Kosakowski | Varun Krishnan | 0-1 | 70 | Open |
| 1715 | 2022-06-21 | Titled Tue 21st Jun Late | chess.com INT | 1 | Mihailo Vujic | Jakub Kosakowski | 0-1 | 19 | Open |
| 1716 | 2022-06-21 | Titled Tue 21st Jun Early | chess.com INT | 1 | Jakub Kosakowski | Vitor Hugo Vieira Ferreira | 1-0 | 29 | Open |
| 1717 | 2022-06-21 | Titled Tue 21st Jun Early | chess.com INT | 11 | David Navara | Jakub Kosakowski | 1-0 | 37 | Open |
| 1718 | 2022-06-21 | Titled Tue 21st Jun Early | chess.com INT | 10 | Renato Terry | Jakub Kosakowski | 0-1 | 56 | Open |
| 1719 | 2022-06-14 | Titled Tue 14th Jun Early | chess.com INT | 9 | Avinash Ramesh | Jakub Kosakowski | 0-1 | 52 | Open |
| 1720 | 2022-06-14 | Titled Tue 14th Jun Early | chess.com INT | 8 | Jakub Kosakowski | Platon Galperin | 1/2-1/2 | 34 | Open |
| 1721 | 2022-06-14 | Titled Tue 14th Jun Early | chess.com INT | 7 | David Paravyan | Jakub Kosakowski | 1-0 | 31 | Open |
| 1722 | 2022-06-14 | Titled Tue 14th Jun Early | chess.com INT | 6 | Jakub Kosakowski | Marcus R Harvey | 1-0 | 32 | Open |
| 1723 | 2022-06-14 | Titled Tue 14th Jun Early | chess.com INT | 5 | Jakub Kosakowski | Tykhon Cherniaiev | 1-0 | 81 | Open |
| 1724 | 2022-06-14 | Titled Tue 14th Jun Late | chess.com INT | 4 | Emilio Agustin Castellanos Hernandez | Jakub Kosakowski | 1-0 | 60 | Open |
| 1725 | 2022-06-14 | Titled Tue 14th Jun Early | chess.com INT | 4 | Dmitry Maximov | Jakub Kosakowski | 1-0 | 25 | Open |
| 1726 | 2022-06-14 | Titled Tue 14th Jun Early | chess.com INT | 3 | Jakub Kosakowski | Yanki Taspinar | 1-0 | 42 | Open |
| 1727 | 2022-06-14 | Titled Tue 14th Jun Late | chess.com INT | 3 | Jakub Kosakowski | Vitor Hugo Vieira Ferreira | 1/2-1/2 | 65 | Open |
| 1728 | 2022-06-14 | Titled Tue 14th Jun Late | chess.com INT | 2 | Anton Isajevsky | Jakub Kosakowski | 1-0 | 57 | Open |
| 1729 | 2022-06-14 | Titled Tue 14th Jun Early | chess.com INT | 2 | Jakub Kosakowski | Dmitry Tatarinov | 1-0 | 61 | Open |
| 1730 | 2022-06-14 | Titled Tue 14th Jun Early | chess.com INT | 1 | Vitor Hugo Vieira Ferreira | Jakub Kosakowski | 0-1 | 36 | Open |
| 1731 | 2022-06-14 | Titled Tue 14th Jun Late | chess.com INT | 1 | Jakub Kosakowski | Carter Peatman | 1-0 | 58 | Open |
| 1732 | 2022-06-14 | Titled Tue 14th Jun Early | chess.com INT | 11 | Jakub Kosakowski | Alexey Sarana | 0-1 | 32 | Open |
| 1733 | 2022-06-14 | Titled Tue 14th Jun Early | chess.com INT | 10 | Jakub Kosakowski | Abdelrahman Hesham | 1-0 | 48 | Open |
| 1734 | 2022-05-14 | LOTTO ch-POL Loser | Kruszwica POL | 2.2 | Grzegorz Gajewski | Jakub Kosakowski | 1/2-1/2 | 43 | Open |
| 1735 | 2022-05-13 | LOTTO ch-POL Loser | Kruszwica POL | 2.1 | Jakub Kosakowski | Grzegorz Gajewski | 0-1 | 32 | Open |
| 1736 | 2022-05-12 | LOTTO ch-POL Loser | Kruszwica POL | 1.6 | Jakub Kosakowski | Grzegorz Nasuta | 1-0 | 53 | Open |
| 1737 | 2022-05-12 | LOTTO ch-POL Loser | Kruszwica POL | 1.5 | Grzegorz Nasuta | Jakub Kosakowski | 0-1 | 72 | Open |
| 1738 | 2022-05-12 | LOTTO ch-POL Loser | Kruszwica POL | 1.4 | Jakub Kosakowski | Grzegorz Nasuta | 1/2-1/2 | 48 | Open |
| 1739 | 2022-05-12 | LOTTO ch-POL Loser | Kruszwica POL | 1.3 | Grzegorz Nasuta | Jakub Kosakowski | 1/2-1/2 | 51 | Open |
| 1740 | 2022-05-12 | LOTTO ch-POL Loser | Kruszwica POL | 1.2 | Grzegorz Nasuta | Jakub Kosakowski | 1-0 | 39 | Open |
| 1741 | 2022-05-11 | LOTTO ch-POL Loser | Kruszwica POL | 1.1 | Jakub Kosakowski | Grzegorz Nasuta | 1-0 | 38 | Open |
| 1742 | 2022-05-10 | 79th LOTTO ch-POL 2022 | Kruszwica POL | 1.2 | Jakub Kosakowski | Wojciech Moranda | 1/2-1/2 | 33 | Open |
| 1743 | 2022-05-09 | 79th LOTTO ch-POL 2022 | Kruszwica POL | 1.1 | Wojciech Moranda | Jakub Kosakowski | 1-0 | 41 | Open |
| 1744 | 2022-04-23 | I Menorca Open 2022 | Ciutadella de Menorca ESP | 5.6 | Jakub Kosakowski | B. Adhiban | 0-1 | 57 | Open |
| 1745 | 2022-04-22 | I Menorca Open 2022 | Ciutadella de Menorca ESP | 4.8 | Sebastian Dario Iermito | Jakub Kosakowski | 1/2-1/2 | 31 | Open |
| 1746 | 2022-04-16 | VI Semana Santa Alicante | Alicante ESP | 7.16 | Iyan Gonzalez Guedes | Jakub Kosakowski | 1/2-1/2 | 13 | Open |
| 1747 | 2022-04-12 | Titled Tue 12th Apr Early | chess.com INT | 6 | Nils Grandelius | Jakub Kosakowski | 1-0 | 46 | Open |
| 1748 | 2022-04-12 | Titled Tue 12th Apr Early | chess.com INT | 5 | Jakub Kosakowski | Mikhail Pesotskiy | 1-0 | 26 | Open |
| 1749 | 2022-04-12 | Titled Tue 12th Apr Early | chess.com INT | 4 | Leopold Le Ruyet | Jakub Kosakowski | 0-1 | 39 | Open |
| 1750 | 2022-04-12 | Titled Tue 12th Apr Early | chess.com INT | 3 | Mamikon Gharibyan | Jakub Kosakowski | 1-0 | 43 | Open |
| 1751 | 2022-04-12 | Titled Tue 12th Apr Early | chess.com INT | 2 | Jakub Kosakowski | Juan Plazuelo Pascual | 1-0 | 33 | Open |
| 1752 | 2022-04-12 | Titled Tue 12th Apr Early | chess.com INT | 1 | Daniil Manelyuk | Jakub Kosakowski | 0-1 | 30 | Open |
| 1753 | 2022-04-09 | PGNiG Polish Cup Elblag | Elblag POL | 8.7 | Jakub Kosakowski | Jan Klimkowski | 0-1 | 22 | Open |
| 1754 | 2022-04-09 | PGNiG Polish Cup Elblag | Elblag POL | 7.1 | Bartosz Socko | Jakub Kosakowski | 1-0 | 49 | Open |
| 1755 | 2022-04-09 | PGNiG Polish Cup Elblag | Elblag POL | 6.2 | Jakub Kosakowski | Szymon Gumularz | 1/2-1/2 | 41 | Open |
| 1756 | 2022-04-09 | PGNiG Polish Cup Elblag | Elblag POL | 5.5 | Stanislaw Zylka | Jakub Kosakowski | 0-1 | 37 | Open |
| 1757 | 2022-04-09 | PGNiG Polish Cup Elblag | Elblag POL | 4.5 | Jakub Kosakowski | Kacper Polok | 1-0 | 37 | Open |
| 1758 | 2022-04-09 | PGNiG Polish Cup Elblag | Elblag POL | 3.8 | Franciszek Sernecki | Jakub Kosakowski | 0-1 | 32 | Open |
| 1759 | 2022-04-06 | 22nd ch-EUR Indiv 2022 | Terme Catez SLO | 11.76 | Jakub Kosakowski | Dorian Dalaud | 1/2-1/2 | 47 | Open |
| 1760 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 9 | Piotr Mickiewicz | Jakub Kosakowski | 0-1 | 38 | Open |
| 1761 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 8 | Jakub Kosakowski | Jose Antonio Herrera Reyes | 0-1 | 56 | Open |
| 1762 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 7 | Aleksandr Shimanov | Jakub Kosakowski | 1/2-1/2 | 55 | Open |
| 1763 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 6 | Baadur Jobava | Jakub Kosakowski | 1-0 | 49 | Open |
| 1764 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 5 | Jakub Kosakowski | Anton Demchenko | 0-1 | 37 | Open |
| 1765 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 4 | Jakub Kosakowski | Aleksey Dreev | 1-0 | 60 | Open |
| 1766 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 3 | Maxim Matlakov | Jakub Kosakowski | 0-1 | 66 | Open |
| 1767 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 2 | Alexandr Kostiukov | Jakub Kosakowski | 0-1 | 39 | Open |
| 1768 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 1 | Jakub Kosakowski | Ansh M Shah | 1-0 | 207 | Open |
| 1769 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 11 | Artem Gogolev | Jakub Kosakowski | 0-1 | 35 | Open |
| 1770 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 10 | Jakub Kosakowski | Grzegorz Nasuta | 1/2-1/2 | 40 | Open |
| 1771 | 2022-04-05 | 22nd ch-EUR Indiv 2022 | Terme Catez SLO | 10.8 | Shreyas Royal | Jakub Kosakowski | 1/2-1/2 | 68 | Open |
| 1772 | 2022-04-04 | 22nd ch-EUR Indiv 2022 | Terme Catez SLO | 9.95 | Jakub Kosakowski | Jovana Eric | 1-0 | 78 | Open |
| 1773 | 2022-04-03 | 22nd ch-EUR Indiv 2022 | Terme Catez SLO | 8.83 | Siem Van Dael | Jakub Kosakowski | 1-0 | 54 | Open |
| 1774 | 2022-04-02 | 22nd ch-EUR Indiv 2022 | Terme Catez SLO | 7.42 | Jakub Kosakowski | Nils Grandelius | 0-1 | 54 | Open |
| 1775 | 2022-04-01 | 22nd ch-EUR Indiv 2022 | Terme Catez SLO | 6.86 | Toghrul Hasanzade | Jakub Kosakowski | 0-1 | 52 | Open |
| 1776 | 2022-03-31 | 22nd ch-EUR Indiv 2022 | Terme Catez SLO | 5.48 | Jakub Kosakowski | Vugar Asadli | 0-1 | 59 | Open |
| 1777 | 2022-03-30 | 22nd ch-EUR Indiv 2022 | Terme Catez SLO | 4.34 | Manuel Petrosyan | Jakub Kosakowski | 1/2-1/2 | 25 | Open |
| 1778 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 9 | Jakub Kosakowski | Orest Vovk | 1-0 | 35 | Open |
| 1779 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 8 | Viktor Romanchuk | Jakub Kosakowski | 0-1 | 26 | Open |
| 1780 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 7 | Aleksey Dreev | Jakub Kosakowski | 1-0 | 35 | Open |
| 1781 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 6 | Jakub Kosakowski | Volodymyr Vusatiuk | 1-0 | 39 | Open |
| 1782 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 5 | Robert Hess | Jakub Kosakowski | 1-0 | 29 | Open |
| 1783 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 4 | Jakub Kosakowski | Matthias Bluebaum | 0-1 | 79 | Open |
| 1784 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 3 | Jakub Kosakowski | Aleksandr Shimanov | 1-0 | 37 | Open |
| 1785 | 2022-03-29 | 22nd ch-EUR Indiv 2022 | Terme Catez SLO | 3.85 | Jakub Kosakowski | Matija Zadravec | 1-0 | 54 | Open |
| 1786 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 2 | Robert Sanchez | Jakub Kosakowski | 0-1 | 33 | Open |
| 1787 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 1 | Jakub Kosakowski | Luis Fernandez Siles | 1-0 | 28 | Open |
| 1788 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 11 | Jakub Kosakowski | Alexander Rustemov | 1-0 | 30 | Open |
| 1789 | 2022-03-29 | Titled Tue 29th Mar Late | chess.com INT | 10 | Pavel Smirnov | Jakub Kosakowski | 0-1 | 42 | Open |
| 1790 | 2022-03-28 | 22nd ch-EUR Indiv 2022 | Terme Catez SLO | 2.35 | Eltaj Safarli | Jakub Kosakowski | 1-0 | 29 | Open |
| 1791 | 2022-03-27 | 22nd ch-EUR Indiv 2022 | Terme Catez SLO | 1.13 | Jakub Kosakowski | Rolandas Martinkus | 1-0 | 39 | Open |
| 1792 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 9 | Jakub Kosakowski | Deysi Cori T. | 1-0 | 22 | Open |
| 1793 | 2022-03-08 | Titled Tue 8th Mar Early | chess.com INT | 9 | Jakub Kosakowski | Ivan Aldokhin | 1-0 | 28 | Open |
| 1794 | 2022-03-08 | Titled Tue 8th Mar Early | chess.com INT | 8 | Adar Tarhan | Jakub Kosakowski | 1-0 | 32 | Open |
| 1795 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 8 | Jakub Kosakowski | Maksim Chigaev | 0-1 | 29 | Open |
| 1796 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 7 | Grigoriy Oparin | Jakub Kosakowski | 1/2-1/2 | 74 | Open |
| 1797 | 2022-03-08 | Titled Tue 8th Mar Early | chess.com INT | 7 | Jakub Kosakowski | Ranindu Dilshan Liyanage | 1-0 | 27 | Open |
| 1798 | 2022-03-08 | Titled Tue 8th Mar Early | chess.com INT | 6 | Jakub Kosakowski | Antonio Lopez Del Alamo | 1-0 | 33 | Open |
| 1799 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 6 | Jakub Kosakowski | Mahammad Muradli | 1-0 | 41 | Open |
| 1800 | 2022-03-08 | Titled Tue 8th Mar Early | chess.com INT | 5 | Daria Voit | Jakub Kosakowski | 1-0 | 26 | Open |
| 1801 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 5 | Jakub Kosakowski | Alexandros Dounis | 1-0 | 79 | Open |
| 1802 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 4 | Baadur Jobava | Jakub Kosakowski | 1-0 | 48 | Open |
| 1803 | 2022-03-08 | Titled Tue 8th Mar Early | chess.com INT | 4 | Jakub Kosakowski | Gerardo Antonio Gracia Alvarez | 1-0 | 39 | Open |
| 1804 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 3 | Dmitriy Kushko | Jakub Kosakowski | 0-1 | 45 | Open |
| 1805 | 2022-03-08 | Titled Tue 8th Mar Early | chess.com INT | 3 | Jorge Carlos Antonio | Jakub Kosakowski | 0-1 | 23 | Open |
| 1806 | 2022-03-08 | Titled Tue 8th Mar Early | chess.com INT | 2 | Jakub Kosakowski | Ferenc Jr. Gombocz | 1/2-1/2 | 60 | Open |
| 1807 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 2 | Jakub Kosakowski | Adam Gaisinsky | 1-0 | 32 | Open |
| 1808 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 1 | Nicholas Ladan | Jakub Kosakowski | 1/2-1/2 | 79 | Open |
| 1809 | 2022-03-08 | Titled Tue 8th Mar Early | chess.com INT | 1 | Nadya Toncheva | Jakub Kosakowski | 1-0 | 44 | Open |
| 1810 | 2022-03-08 | Titled Tue 8th Mar Early | chess.com INT | 11 | Jakub Kosakowski | Tarun Kanyamarala | 1-0 | 55 | Open |
| 1811 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 11 | Jakub Kosakowski | Aleksandra Maltsevskaya | 0-1 | 23 | Open |
| 1812 | 2022-03-08 | Titled Tue 8th Mar Late | chess.com INT | 10 | Alejandro Domingo Nunez | Jakub Kosakowski | 1-0 | 25 | Open |
| 1813 | 2022-03-08 | Titled Tue 8th Mar Early | chess.com INT | 10 | Semetei Tologon tegin | Jakub Kosakowski | 1-0 | 54 | Open |
| 1814 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 9 | Balazs Csonka | Jakub Kosakowski | 1/2-1/2 | 22 | Open |
| 1815 | 2022-03-01 | Titled Tue 1st Mar Early | chess.com INT | 9 | Aleksandra Maltsevskaya | Jakub Kosakowski | 1-0 | 75 | Open |
| 1816 | 2022-03-01 | Titled Tue 1st Mar Early | chess.com INT | 8 | Jakub Kosakowski | Mariam Mkrtchyan | 1-0 | 44 | Open |
| 1817 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 8 | Jakub Kosakowski | Jorden Van Foreest | 0-1 | 40 | Open |
| 1818 | 2022-03-01 | Titled Tue 1st Mar Early | chess.com INT | 7 | Emil Risteski | Jakub Kosakowski | 1-0 | 27 | Open |
| 1819 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 7 | Volodymyr Vusatiuk | Jakub Kosakowski | 0-1 | 29 | Open |
| 1820 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 6 | Joshua Christie | Jakub Kosakowski | 0-1 | 36 | Open |
| 1821 | 2022-03-01 | Titled Tue 1st Mar Early | chess.com INT | 6 | Jakub Kosakowski | Michel Coto Mederos | 1/2-1/2 | 68 | Open |
| 1822 | 2022-03-01 | Titled Tue 1st Mar Early | chess.com INT | 5 | Artem Omelja | Jakub Kosakowski | 1-0 | 58 | Open |
| 1823 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 5 | Jakub Kosakowski | Pierre Villegas | 0-1 | 34 | Open |
| 1824 | 2022-03-01 | Titled Tue 1st Mar Early | chess.com INT | 4 | Aleksandar Indjic | Jakub Kosakowski | 1-0 | 45 | Open |
| 1825 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 4 | Mateus Costamilan Tomiello | Jakub Kosakowski | 0-1 | 78 | Open |
| 1826 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 3 | Jakub Kosakowski | Alexandros Dounis | 1-0 | 38 | Open |
| 1827 | 2022-03-01 | Titled Tue 1st Mar Early | chess.com INT | 3 | Jakub Kosakowski | Francisco Javier Cruz Ravina | 1-0 | 29 | Open |
| 1828 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 2 | Carlos Martins | Jakub Kosakowski | 0-1 | 52 | Open |
| 1829 | 2022-03-01 | Titled Tue 1st Mar Early | chess.com INT | 2 | Sergey Jary | Jakub Kosakowski | 0-1 | 53 | Open |
| 1830 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 1 | Jakub Kosakowski | Ivan G Stankovic | 0-1 | 56 | Open |
| 1831 | 2022-03-01 | Titled Tue 1st Mar Early | chess.com INT | 1 | Jakub Kosakowski | Anastassia Sinitsina | 1-0 | 21 | Open |
| 1832 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 11 | Jakub Kosakowski | Polina Shuvalova | 0-1 | 30 | Open |
| 1833 | 2022-03-01 | Titled Tue 1st Mar Early | chess.com INT | 11 | Jakub Kosakowski | Claudiu-Cristian Dobre | 1-0 | 14 | Open |
| 1834 | 2022-03-01 | Titled Tue 1st Mar Early | chess.com INT | 10 | Jakub Kosakowski | Alexandra Shvedova | 1-0 | 39 | Open |
| 1835 | 2022-03-01 | Titled Tue 1st Mar Late | chess.com INT | 10 | Jakub Kosakowski | Eric Rosen | 1-0 | 50 | Open |
| 1836 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 9 | Jakub Kosakowski | Rasmus Svane | 0-1 | 30 | Open |
| 1837 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 8 | Jakub Kosakowski | Valery Sviridov | 1-0 | 35 | Open |
| 1838 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 7 | Jun Ying Tan | Jakub Kosakowski | 0-1 | 33 | Open |
| 1839 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 6 | Jakub Kosakowski | Ekaterina Borisova | 1-0 | 42 | Open |
| 1840 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 5 | Maksim Chigaev | Jakub Kosakowski | 1-0 | 49 | Open |
| 1841 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 4 | Dawid Janaszak | Jakub Kosakowski | 0-1 | 36 | Open |
| 1842 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 3 | Jakub Kosakowski | Andrew Tang | 0-1 | 41 | Open |
| 1843 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 2 | Jakub Kosakowski | Nikolay Plamenov Yordanov | 1-0 | 33 | Open |
| 1844 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 1 | Pavel Chernomordik | Jakub Kosakowski | 0-1 | 32 | Open |
| 1845 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 11 | Jakub Kosakowski | Balazs Csonka | 1/2-1/2 | 18 | Open |
| 1846 | 2022-02-22 | Titled Tue 22nd Feb Late | chess.com INT | 10 | Aleksandra Maltsevskaya | Jakub Kosakowski | 1-0 | 46 | Open |
| 1847 | 2022-02-16 | 38th Cappelle Open 2022 | Cappelle la Grande FRA | 7.4 | Jesper Sondergaard Thybo | Jakub Kosakowski | 1-0 | 22 | Open |
| 1848 | 2022-02-16 | 38th Cappelle Open 2022 | Cappelle la Grande FRA | 6.1 | Jakub Kosakowski | Vladyslav Bakhmatskyi | 0-1 | 38 | Open |
| 1849 | 2022-02-15 | 38th Cappelle Open 2022 | Cappelle la Grande FRA | 5.4 | Robin Bentel | Jakub Kosakowski | 0-1 | 50 | Open |
| 1850 | 2022-02-14 | 38th Cappelle Open 2022 | Cappelle la Grande FRA | 4.3 | Jakub Kosakowski | Sergey A. Fedorchuk | 1/2-1/2 | 45 | Open |
| 1851 | 2022-02-14 | 38th Cappelle Open 2022 | Cappelle la Grande FRA | 3.9 | Annmarie Muetsch | Jakub Kosakowski | 0-1 | 27 | Open |
| 1852 | 2022-02-08 | Titled Tue 8th Feb Late | chess.com INT | 9 | George Stoleriu | Jakub Kosakowski | 0-1 | 29 | Open |
| 1853 | 2022-02-08 | Titled Tue 8th Feb Early | chess.com INT | 9 | Jakub Kosakowski | Maksim Volkov | 1-0 | 53 | Open |
| 1854 | 2022-02-08 | Titled Tue 8th Feb Early | chess.com INT | 8 | Maksim Chigaev | Jakub Kosakowski | 1-0 | 70 | Open |
| 1855 | 2022-02-08 | Titled Tue 8th Feb Late | chess.com INT | 8 | Jakub Kosakowski | Kevin Noboa Silva | 1-0 | 110 | Open |
| 1856 | 2022-02-08 | Titled Tue 8th Feb Late | chess.com INT | 7 | Nathan Solon | Jakub Kosakowski | 1-0 | 16 | Open |
| 1857 | 2022-02-08 | Titled Tue 8th Feb Early | chess.com INT | 7 | Jakub Kosakowski | Margarita Potapova | 1-0 | 32 | Open |
| 1858 | 2022-02-08 | Titled Tue 8th Feb Early | chess.com INT | 6 | Jakub Kosakowski | Aleksandr Shimanov | 1/2-1/2 | 59 | Open |
| 1859 | 2022-02-08 | Titled Tue 8th Feb Late | chess.com INT | 6 | Jakub Kosakowski | Kirill Shevchenko | 0-1 | 17 | Open |
| 1860 | 2022-02-08 | Titled Tue 8th Feb Late | chess.com INT | 5 | Guannan Terry Song | Jakub Kosakowski | 1/2-1/2 | 62 | Open |
| 1861 | 2022-02-08 | Titled Tue 8th Feb Early | chess.com INT | 5 | Jegor Lashkin | Jakub Kosakowski | 1-0 | 34 | Open |
| 1862 | 2022-02-08 | Titled Tue 8th Feb Late | chess.com INT | 4 | Jakub Kosakowski | Ward Al-Tarboush | 1-0 | 45 | Open |
| 1863 | 2022-02-08 | Titled Tue 8th Feb Early | chess.com INT | 4 | Jakub Kosakowski | Praggnanandhaa R | 1-0 | 66 | Open |
| 1864 | 2022-02-08 | Titled Tue 8th Feb Early | chess.com INT | 3 | Yvain Bruned | Jakub Kosakowski | 0-1 | 28 | Open |
| 1865 | 2022-02-08 | Titled Tue 8th Feb Late | chess.com INT | 3 | Jeffery Xiong | Jakub Kosakowski | 1-0 | 45 | Open |
| 1866 | 2022-02-08 | Titled Tue 8th Feb Early | chess.com INT | 2 | Liwia Jarocka | Jakub Kosakowski | 0-1 | 47 | Open |
| 1867 | 2022-02-08 | Titled Tue 8th Feb Late | chess.com INT | 2 | Jakub Kosakowski | Amir Hosein Kashefi | 1-0 | 58 | Open |
| 1868 | 2022-02-08 | Titled Tue 8th Feb Late | chess.com INT | 1 | Trisha Kanyamarala | Jakub Kosakowski | 0-1 | 61 | Open |
| 1869 | 2022-02-08 | Titled Tue 8th Feb Early | chess.com INT | 1 | Jakub Kosakowski | Oliwia Kiolbasa | 1/2-1/2 | 83 | Open |
| 1870 | 2022-02-08 | Titled Tue 8th Feb Late | chess.com INT | 11 | Bojan Maksimovic | Jakub Kosakowski | 0-1 | 88 | Open |
| 1871 | 2022-02-08 | Titled Tue 8th Feb Early | chess.com INT | 11 | Denis Lazavik | Jakub Kosakowski | 1-0 | 48 | Open |
| 1872 | 2022-02-08 | Titled Tue 8th Feb Early | chess.com INT | 10 | Eric Hansen | Jakub Kosakowski | 0-1 | 52 | Open |
| 1873 | 2022-02-08 | Titled Tue 8th Feb Late | chess.com INT | 10 | Jakub Kosakowski | Alexander Fishbein | 1-0 | 49 | Open |
| 1874 | 2022-02-02 | Titled Tuesday 1st Feb B | chess.com INT | 9 | Jakub Kosakowski | Denes Boros | 0-1 | 44 | Open |
| 1875 | 2022-02-02 | Titled Tuesday 1st Feb B | chess.com INT | 8 | Jakub Kosakowski | Orest Vovk | 1-0 | 39 | Open |
| 1876 | 2022-02-02 | Titled Tuesday 1st Feb B | chess.com INT | 7 | Artyom Timofeev | Jakub Kosakowski | 1-0 | 46 | Open |
| 1877 | 2022-02-02 | Titled Tuesday 1st Feb B | chess.com INT | 6 | Sergey Grigoriants | Jakub Kosakowski | 1/2-1/2 | 58 | Open |
| 1878 | 2022-02-02 | Titled Tuesday 1st Feb B | chess.com INT | 5 | Jakub Kosakowski | Viacheslav Mikhailov | 1-0 | 44 | Open |
| 1879 | 2022-02-02 | Titled Tuesday 1st Feb B | chess.com INT | 4 | Artyom Manukyan | Jakub Kosakowski | 0-1 | 35 | Open |
| 1880 | 2022-02-02 | Titled Tuesday 1st Feb B | chess.com INT | 3 | Jakub Kosakowski | Juan Antonio Urbina Perez | 1-0 | 44 | Open |
| 1881 | 2022-02-02 | Titled Tuesday 1st Feb B | chess.com INT | 2 | Jakub Kosakowski | Anahi Ortiz Verdezoto | 1-0 | 28 | Open |
| 1882 | 2022-02-02 | Titled Tuesday 1st Feb B | chess.com INT | 1 | Jesus Galvan | Jakub Kosakowski | 1-0 | 48 | Open |
| 1883 | 2022-02-02 | Titled Tuesday 1st Feb B | chess.com INT | 11 | Jakub Kosakowski | Lucas Aguiar Cunha | 1-0 | 28 | Open |
| 1884 | 2022-02-02 | Titled Tuesday 1st Feb B | chess.com INT | 10 | Alberto Barp | Jakub Kosakowski | 0-1 | 50 | Open |
| 1885 | 2022-02-01 | Titled Tuesday 1st Feb A | chess.com INT | 9 | Jakub Kosakowski | Alexander Zhurikhin | 1/2-1/2 | 68 | Open |
| 1886 | 2022-02-01 | Titled Tuesday 1st Feb A | chess.com INT | 8 | Akmal Fayzullaev | Jakub Kosakowski | 1-0 | 28 | Open |
| 1887 | 2022-02-01 | Titled Tuesday 1st Feb A | chess.com INT | 7 | Jakub Kosakowski | Yinn Long Wong | 0-1 | 31 | Open |
| 1888 | 2022-02-01 | Titled Tuesday 1st Feb A | chess.com INT | 6 | Jakub Kosakowski | Alexey Sarana | 0-1 | 27 | Open |
| 1889 | 2022-02-01 | Titled Tuesday 1st Feb A | chess.com INT | 5 | Baadur Jobava | Jakub Kosakowski | 1/2-1/2 | 84 | Open |
| 1890 | 2022-02-01 | Titled Tuesday 1st Feb A | chess.com INT | 4 | Krishnan Sasikiran | Jakub Kosakowski | 0-1 | 62 | Open |
| 1891 | 2022-02-01 | Titled Tuesday 1st Feb A | chess.com INT | 3 | Jakub Kosakowski | Eric Hansen | 1-0 | 52 | Open |
| 1892 | 2022-02-01 | Titled Tuesday 1st Feb A | chess.com INT | 2 | Jakub Kosakowski | Aleksandar Topalov | 1-0 | 28 | Open |
| 1893 | 2022-02-01 | Titled Tuesday 1st Feb A | chess.com INT | 1 | Jan Marn | Jakub Kosakowski | 0-1 | 30 | Open |
| 1894 | 2022-02-01 | Titled Tuesday 1st Feb A | chess.com INT | 11 | Jakub Kosakowski | Garg Aradhya | 1-0 | 95 | Open |
| 1895 | 2022-02-01 | Titled Tuesday 1st Feb A | chess.com INT | 10 | Domen Tisaj | Jakub Kosakowski | 0-1 | 53 | Open |
| 1896 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 9 | Tobias Koelle | Jakub Kosakowski | 1-0 | 35 | Open |
| 1897 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 8 | Tarun Kanyamarala | Jakub Kosakowski | 0-1 | 41 | Open |
| 1898 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 7 | Jakub Kosakowski | Bojan Todorovic | 1-0 | 36 | Open |
| 1899 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 6 | Ryan Hamley | Jakub Kosakowski | 1-0 | 40 | Open |
| 1900 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 5 | Jakub Kosakowski | Tigran Nazaretyan | 0-1 | 32 | Open |
| 1901 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 4 | Jakub Kosakowski | Volodymyr Vusatiuk | 1/2-1/2 | 65 | Open |
| 1902 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 3 | Niranjan Navalgund | Jakub Kosakowski | 0-1 | 41 | Open |
| 1903 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 2 | Jakub Kosakowski | Viktor Romanchuk | 0-1 | 38 | Open |
| 1904 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 1 | Nils Richter | Jakub Kosakowski | 0-1 | 56 | Open |
| 1905 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 11 | Pierre Villegas | Jakub Kosakowski | 0-1 | 21 | Open |
| 1906 | 2022-01-25 | Titled Tuesday 25th Jan | chess.com INT | 10 | Jakub Kosakowski | Amir Hosein Kashefi | 1-0 | 43 | Open |
| 1907 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 9 | Jakub Kosakowski | Valery Sviridov | 0-1 | 53 | Open |
| 1908 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 8 | Jakub Kosakowski | Arseniy Nesterov | 1-0 | 65 | Open |
| 1909 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 7 | Wojciech Przybylski | Jakub Kosakowski | 0-1 | 47 | Open |
| 1910 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 6 | Matthias Bluebaum | Jakub Kosakowski | 1-0 | 77 | Open |
| 1911 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 5 | Jakub Kosakowski | Volodymyr Onyshchuk | 1-0 | 33 | Open |
| 1912 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 4 | Jakub Kosakowski | Jakub Seemann | 1-0 | 42 | Open |
| 1913 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 3 | Jeffery Xiong | Jakub Kosakowski | 1/2-1/2 | 61 | Open |
| 1914 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 2 | Andrey Levitskiy | Jakub Kosakowski | 0-1 | 36 | Open |
| 1915 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 1 | Jakub Kosakowski | Elijah Logozar | 1-0 | 26 | Open |
| 1916 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 11 | Jakub Kosakowski | Lucas Aguiar Cunha | 1-0 | 44 | Open |
| 1917 | 2022-01-18 | Titled Tuesday 18th Jan | chess.com INT | 10 | Burak Firat | Jakub Kosakowski | 1-0 | 42 | Open |
| 1918 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 9 | Daniel Taboas Rodriguez | Jakub Kosakowski | 0-1 | 56 | Open |
| 1919 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 8 | Jakub Kosakowski | Sergei Iskusnyh | 1-0 | 48 | Open |
| 1920 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 7 | Jakub Kosakowski | Lennis Martinez Ramirez | 1/2-1/2 | 61 | Open |
| 1921 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 6 | Bogdan-Daniel Deac | Jakub Kosakowski | 1-0 | 44 | Open |
| 1922 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 5 | Jakub Kosakowski | Oleksandr Yurovskykh | 1-0 | 21 | Open |
| 1923 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 4 | Jakub Kosakowski | Gadir Guseinov | 0-1 | 58 | Open |
| 1924 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 3 | Ori Taichman | Jakub Kosakowski | 0-1 | 40 | Open |
| 1925 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 2 | Melih Yurtseven | Jakub Kosakowski | 0-1 | 26 | Open |
| 1926 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 1 | Jakub Kosakowski | Nadya Toncheva | 1-0 | 51 | Open |
| 1927 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 11 | Jakub Kosakowski | Bogdan Belyakov | 0-1 | 49 | Open |
| 1928 | 2022-01-11 | Titled Tuesday 11th Jan | chess.com INT | 10 | Luca Jr Moroni | Jakub Kosakowski | 1-0 | 37 | Open |
| 1929 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 9 | Jakub Kosakowski | Anna Gvanceladze | 1-0 | 35 | Open |
| 1930 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 8 | Jakub Kosakowski | Artyom Manukyan | 1-0 | 32 | Open |
| 1931 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 7 | Parham Maghsoodloo | Jakub Kosakowski | 1-0 | 39 | Open |
| 1932 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 6 | Jakub Kosakowski | Khazar Babazada | 0-1 | 53 | Open |
| 1933 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 5 | Steven Zierk | Jakub Kosakowski | 0-1 | 37 | Open |
| 1934 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 4 | Jakub Kosakowski | Alicja Sliwicka | 1-0 | 26 | Open |
| 1935 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 3 | Jakub Kosakowski | Vitor Hugo Vieira Ferreira | 1-0 | 34 | Open |
| 1936 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 2 | Alper Olcayoz | Jakub Kosakowski | 0-1 | 39 | Open |
| 1937 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 1 | Jakub Kosakowski | Konstantin Begunov | 1/2-1/2 | 98 | Open |
| 1938 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 11 | Mika Karttunen | Jakub Kosakowski | 0-1 | 63 | Open |
| 1939 | 2022-01-04 | Titled Tuesday 4th Jan | chess.com INT | 10 | Gata Kamsky | Jakub Kosakowski | 1/2-1/2 | 40 | Open |
| 1940 | 2021-12-30 | World Blitz 2021 | Warsaw POL | 21.54 | Stelios Halkias | Jakub Kosakowski | 0-1 | 44 | Open |
| 1941 | 2021-12-30 | World Blitz 2021 | Warsaw POL | 20.64 | Jakub Kosakowski | Rinat Jumabayev | 1-0 | 61 | Open |
| 1942 | 2021-12-30 | World Blitz 2021 | Warsaw POL | 19.7 | Pontus Carlsson | Jakub Kosakowski | 0-1 | 70 | Open |
| 1943 | 2021-12-30 | World Blitz 2021 | Warsaw POL | 18.62 | Jakub Kosakowski | Andrei Volokitin | 0-1 | 44 | Open |
| 1944 | 2021-12-30 | World Blitz 2021 | Warsaw POL | 17.7 | Jakub Kosakowski | Szymon Gumularz | 1-0 | 31 | Open |
| 1945 | 2021-12-30 | World Blitz 2021 | Warsaw POL | 16.66 | Bilel Bellahcene | Jakub Kosakowski | 1-0 | 67 | Open |
| 1946 | 2021-12-30 | World Blitz 2021 | Warsaw POL | 15.61 | Mateusz Bartel | Jakub Kosakowski | 1-0 | 31 | Open |
| 1947 | 2021-12-30 | World Blitz 2021 | Warsaw POL | 14.49 | Jakub Kosakowski | Timur Gareyev | 0-1 | 36 | Open |
| 1948 | 2021-12-30 | World Blitz 2021 | Warsaw POL | 13.63 | Ilja Schneider | Jakub Kosakowski | 0-1 | 41 | Open |
| 1949 | 2021-12-29 | World Blitz 2021 | Warsaw POL | 9.62 | Pavel Ponkratov | Jakub Kosakowski | 0-1 | 48 | Open |
| 1950 | 2021-12-29 | World Blitz 2021 | Warsaw POL | 8.51 | Jakub Kosakowski | Andrew Tang | 0-1 | 42 | Open |
| 1951 | 2021-12-29 | World Blitz 2021 | Warsaw POL | 7.33 | Maxim Matlakov | Jakub Kosakowski | 1-0 | 47 | Open |
| 1952 | 2021-12-29 | World Blitz 2021 | Warsaw POL | 6.2 | Jakub Kosakowski | Bassem Amin | 0-1 | 85 | Open |
| 1953 | 2021-12-29 | World Blitz 2021 | Warsaw POL | 5.37 | Johan-Sebastian Christiansen | Jakub Kosakowski | 0-1 | 35 | Open |
| 1954 | 2021-12-29 | World Blitz 2021 | Warsaw POL | 4.55 | Jakub Kosakowski | Victor Mikhalevski | 1-0 | 47 | Open |
| 1955 | 2021-12-29 | World Blitz 2021 | Warsaw POL | 3.55 | Zahar Efimenko | Jakub Kosakowski | 1/2-1/2 | 57 | Open |
| 1956 | 2021-12-29 | World Blitz 2021 | Warsaw POL | 2.78 | Jakub Kosakowski | Grzegorz Gajewski | 1-0 | 40 | Open |
| 1957 | 2021-12-29 | World Blitz 2021 | Warsaw POL | 12.51 | Jakub Kosakowski | Fidel Corrales Jimenez | 0-1 | 49 | Open |
| 1958 | 2021-12-29 | World Blitz 2021 | Warsaw POL | 11.6 | Lucas Van Foreest | Jakub Kosakowski | 0-1 | 31 | Open |
| 1959 | 2021-12-29 | World Blitz 2021 | Warsaw POL | 10.49 | Jakub Kosakowski | Mikhail Demidov | 0-1 | 32 | Open |
| 1960 | 2021-12-29 | World Blitz 2021 | Warsaw POL | 1.72 | Oleg Vastrukhin | Jakub Kosakowski | 1-0 | 57 | Open |
| 1961 | 2021-12-28 | World Rapid 2021 | Warsaw POL | 13.46 | Jakub Kosakowski | Artyom Timofeev | 1/2-1/2 | 71 | Open |
| 1962 | 2021-12-28 | World Rapid 2021 | Warsaw POL | 12.6 | Hovhannes Gabuzyan | Jakub Kosakowski | 0-1 | 36 | Open |
| 1963 | 2021-12-28 | World Rapid 2021 | Warsaw POL | 11.49 | Jakub Kosakowski | Mikhail Demidov | 0-1 | 74 | Open |
| 1964 | 2021-12-28 | World Rapid 2021 | Warsaw POL | 10.38 | David W L Howell | Jakub Kosakowski | 1-0 | 37 | Open |
| 1965 | 2021-12-27 | World Rapid 2021 | Warsaw POL | 9.52 | Jakub Kosakowski | Alexander Donchenko | 1-0 | 112 | Open |
| 1966 | 2021-12-27 | World Rapid 2021 | Warsaw POL | 8.51 | Aryan Tari | Jakub Kosakowski | 1/2-1/2 | 94 | Open |
| 1967 | 2021-12-27 | World Rapid 2021 | Warsaw POL | 7.32 | Jakub Kosakowski | Maksim Chigaev | 0-1 | 41 | Open |
| 1968 | 2021-12-27 | World Rapid 2021 | Warsaw POL | 6.2 | Levon Aronian | Jakub Kosakowski | 1-0 | 39 | Open |
| 1969 | 2021-12-26 | World Rapid 2021 | Warsaw POL | 5.32 | Jakub Kosakowski | Ahmed Adly | 1-0 | 54 | Open |
| 1970 | 2021-12-26 | World Rapid 2021 | Warsaw POL | 4.32 | Robert Hovhannisyan | Jakub Kosakowski | 1/2-1/2 | 50 | Open |
| 1971 | 2021-12-26 | World Rapid 2021 | Warsaw POL | 3.28 | Jakub Kosakowski | David Anton Guijarro | 1/2-1/2 | 54 | Open |
| 1972 | 2021-12-26 | World Rapid 2021 | Warsaw POL | 2.55 | Danyyil Dvirnyy | Jakub Kosakowski | 0-1 | 34 | Open |
| 1973 | 2021-12-26 | World Rapid 2021 | Warsaw POL | 1.7 | Jakub Kosakowski | Rinat Jumabayev | 1/2-1/2 | 67 | Open |
| 1974 | 2021-12-19 | European Rapid 2021 | Katowice POL | 9.2 | Jakub Kosakowski | Imre Balog | 0-1 | 49 | Open |
| 1975 | 2021-12-19 | European Rapid 2021 | Katowice POL | 8.9 | Hannes Stefansson | Jakub Kosakowski | 0-1 | 37 | Open |
| 1976 | 2021-12-19 | European Rapid 2021 | Katowice POL | 7.1 | Tomas Laurusas | Jakub Kosakowski | 0-1 | 27 | Open |
| 1977 | 2021-12-19 | European Rapid 2021 | Katowice POL | 11.8 | Andrey Sumets | Jakub Kosakowski | 1/2-1/2 | 22 | Open |
| 1978 | 2021-12-19 | European Rapid 2021 | Katowice POL | 10.14 | Jakub Kosakowski | Emil Mirzoev | 1-0 | 29 | Open |
| 1979 | 2021-12-18 | European Rapid 2021 | Katowice POL | 6.29 | Jakub Kosakowski | Wojciech Krawczyk | 1-0 | 40 | Open |
| 1980 | 2021-12-18 | European Rapid 2021 | Katowice POL | 5.35 | Przemyslaw Kindler | Jakub Kosakowski | 0-1 | 49 | Open |
| 1981 | 2021-12-18 | European Rapid 2021 | Katowice POL | 4.36 | Jakub Kosakowski | Gustas Morkunas | 1/2-1/2 | 78 | Open |
| 1982 | 2021-12-18 | European Rapid 2021 | Katowice POL | 2.41 | Jakub Kosakowski | Bartlomiej Rog | 1/2-1/2 | 43 | Open |
| 1983 | 2021-12-18 | European Rapid 2021 | Katowice POL | 1.44 | Dariusz Olej | Jakub Kosakowski | 0-1 | 37 | Open |
| 1984 | 2021-12-17 | European Blitz 2021 | Katowice POL | 9.4 | Igor Kovalenko | Jakub Kosakowski | 0-1 | 48 | Open |
| 1985 | 2021-12-17 | European Blitz 2021 | Katowice POL | 8.2 | Hannes Stefansson | Jakub Kosakowski | 0-1 | 34 | Open |
| 1986 | 2021-12-17 | European Blitz 2021 | Katowice POL | 7.2 | Jakub Kosakowski | Hannes Stefansson | 0-1 | 66 | Open |
| 1987 | 2021-12-17 | European Blitz 2021 | Katowice POL | 5.3 | Dawid Czerw | Jakub Kosakowski | 0-1 | 27 | Open |
| 1988 | 2021-12-17 | European Blitz 2021 | Katowice POL | 4.33 | Anna Marie Koubova | Jakub Kosakowski | 0-1 | 0 | Open |
| 1989 | 2021-12-17 | European Blitz 2021 | Katowice POL | 3.37 | Jakub Kosakowski | Anna Marie Koubova | 1-0 | 0 | Open |
| 1990 | 2021-12-17 | European Blitz 2021 | Katowice POL | 21.31 | Grzegorz Masternak | Jakub Kosakowski | 0-1 | 23 | Open |
| 1991 | 2021-12-17 | European Blitz 2021 | Katowice POL | 20.13 | Paulius Pultinevicius | Jakub Kosakowski | 1-0 | 37 | Open |
| 1992 | 2021-12-17 | European Blitz 2021 | Katowice POL | 2.4 | Jakub Kosakowski | Sandra Orlik | 1-0 | 0 | Open |
| 1993 | 2021-12-17 | European Blitz 2021 | Katowice POL | 19.13 | Jakub Kosakowski | Paulius Pultinevicius | 0-1 | 17 | Open |
| 1994 | 2021-12-17 | European Blitz 2021 | Katowice POL | 18.4 | Jakub Kosakowski | Maciej Klekowski | 0-1 | 46 | Open |
| 1995 | 2021-12-17 | European Blitz 2021 | Katowice POL | 17.4 | Maciej Klekowski | Jakub Kosakowski | 1-0 | 42 | Open |
| 1996 | 2021-12-17 | European Blitz 2021 | Katowice POL | 16.8 | Helgi Ass Gretarsson | Jakub Kosakowski | 0-1 | 52 | Open |
| 1997 | 2021-12-17 | European Blitz 2021 | Katowice POL | 15.8 | Jakub Kosakowski | Helgi Ass Gretarsson | 1-0 | 38 | Open |
| 1998 | 2021-12-17 | European Blitz 2021 | Katowice POL | 14.23 | Jakub Kosakowski | Radoslaw Dzierzak | 1-0 | 43 | Open |
| 1999 | 2021-12-17 | European Blitz 2021 | Katowice POL | 13.23 | Radoslaw Dzierzak | Jakub Kosakowski | 0-1 | 33 | Open |
| 2000 | 2021-12-17 | European Blitz 2021 | Katowice POL | 12.1 | Daniel Sadzikowski | Jakub Kosakowski | 1-0 | 33 | Open |
| 2001 | 2021-12-17 | European Blitz 2021 | Katowice POL | 11.1 | Jakub Kosakowski | Daniel Sadzikowski | 1/2-1/2 | 66 | Open |
| 2002 | 2021-12-17 | European Blitz 2021 | Katowice POL | 10.4 | Jakub Kosakowski | Igor Kovalenko | 1/2-1/2 | 54 | Open |
| 2003 | 2021-12-17 | European Blitz 2021 | Katowice POL | 1.42 | Sandra Orlik | Jakub Kosakowski | 0-1 | 31 | Open |
| 2004 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 9 | Jakub Kosakowski | Mika Karttunen | 1-0 | 48 | Open |
| 2005 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 8 | Ivan Kubatko | Jakub Kosakowski | 0-1 | 37 | Open |
| 2006 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 7 | Jakub Kosakowski | Maciej Swicarz | 0-1 | 39 | Open |
| 2007 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 6 | Claudiu-Cristian Dobre | Jakub Kosakowski | 0-1 | 39 | Open |
| 2008 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 5 | Jakub Kosakowski | Valerij M Kazancev | 1/2-1/2 | 57 | Open |
| 2009 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 4 | Kaiqi Yang | Jakub Kosakowski | 1-0 | 57 | Open |
| 2010 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 3 | Jakub Kosakowski | Vinicius Tine Martins | 1-0 | 45 | Open |
| 2011 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 2 | Luis Manuel Perez Rodriguez | Jakub Kosakowski | 0-1 | 30 | Open |
| 2012 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 11 | Stanoje Jovic | Jakub Kosakowski | 0-1 | 48 | Open |
| 2013 | 2021-12-14 | Titled Tuesday 14th Dec | chess.com INT | 10 | Jakub Kosakowski | Oleg Kislov | 0-1 | 25 | Open |
| 2014 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 9 | Alexander Zubov | Jakub Kosakowski | 1-0 | 32 | Open |
| 2015 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 8 | Jakub Kosakowski | Maroun Tomb | 1-0 | 37 | Open |
| 2016 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 7 | Narayanan S L | Jakub Kosakowski | 1-0 | 45 | Open |
| 2017 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 6 | Lucas Di Nicolantonio | Jakub Kosakowski | 0-1 | 26 | Open |
| 2018 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 5 | Jakub Kosakowski | Viktor Romanchuk | 1-0 | 23 | Open |
| 2019 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 4 | Michal Bartel | Jakub Kosakowski | 1/2-1/2 | 38 | Open |
| 2020 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 3 | Jakub Kosakowski | Santosh Gujrathi Vidit | 0-1 | 15 | Open |
| 2021 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 2 | Jakub Kosakowski | Le Thao Nguyen Pham | 1-0 | 28 | Open |
| 2022 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 1 | Dmitrij Skurikhin | Jakub Kosakowski | 0-1 | 41 | Open |
| 2023 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 11 | Luka Budisavljevic | Jakub Kosakowski | 0-1 | 20 | Open |
| 2024 | 2021-11-23 | Titled Tuesday 23rd Nov | chess.com INT | 10 | Jakub Kosakowski | Oleg Artemenko | 0-1 | 49 | Open |
| 2025 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 5 | Vitalii Kiselev | Jakub Kosakowski | 1-0 | 30 | Open |
| 2026 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 4 | Jakub Kosakowski | Oleg Kislov | 1-0 | 64 | Open |
| 2027 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 3 | Maksim Omariev | Jakub Kosakowski | 0-1 | 30 | Open |
| 2028 | 2021-09-28 | Titled Tuesday 28th Sept | chess.com INT | 2 | Jakub Kosakowski | Grigory Seletsky | 1-0 | 48 | Open |
| 2029 | 2021-09-19 | PGNiG POL Bydgoszcz KO | Bydgoszcz POL | 3.2 | Jakub Kosakowski | Maciej Klekowski | 0-1 | 46 | Open |
| 2030 | 2021-09-19 | PGNiG POL Bydgoszcz KO | Bydgoszcz POL | 3.1 | Maciej Klekowski | Jakub Kosakowski | 1-0 | 29 | Open |
| 2031 | 2021-09-19 | PGNiG POL Bydgoszcz KO | Bydgoszcz POL | 2.2 | Pawel Kowalczyk | Jakub Kosakowski | 1/2-1/2 | 78 | Open |
| 2032 | 2021-09-19 | PGNiG POL Bydgoszcz KO | Bydgoszcz POL | 2.1 | Jakub Kosakowski | Pawel Kowalczyk | 1-0 | 19 | Open |
| 2033 | 2021-09-19 | PGNiG POL Bydgoszcz KO | Bydgoszcz POL | 1.2 | Mateusz Kolosowski | Jakub Kosakowski | 0-1 | 36 | Open |
| 2034 | 2021-09-19 | PGNiG POL Bydgoszcz KO | Bydgoszcz POL | 1.1 | Jakub Kosakowski | Mateusz Kolosowski | 1-0 | 30 | Open |
| 2035 | 2021-09-18 | PGNiG Polish Bydgoszcz Pr | Bydgoszcz POL | 9.16 | Lukasz Luba | Jakub Kosakowski | 0-1 | 49 | Open |
| 2036 | 2021-09-18 | PGNiG Polish Bydgoszcz Pr | Bydgoszcz POL | 7.8 | Szymon Gumularz | Jakub Kosakowski | 1-0 | 34 | Open |
| 2037 | 2021-09-18 | PGNiG Polish Bydgoszcz Pr | Bydgoszcz POL | 5.1 | Wojciech Moranda | Jakub Kosakowski | 1-0 | 53 | Open |
| 2038 | 2021-09-18 | PGNiG Polish Bydgoszcz Pr | Bydgoszcz POL | 4.4 | Jakub Kosakowski | Marcin Tazbir | 1-0 | 46 | Open |
| 2039 | 2021-09-12 | TCh-POL 1st League 2021 | Szklarska Poreba POL | 9.7 | Kamil Stachowiak | Jakub Kosakowski | 1/2-1/2 | 25 | Open |
| 2040 | 2021-09-11 | TCh-POL 1st League 2021 | Szklarska Poreba POL | 8.7 | Jakub Kosakowski | Jan Klimkowski | 1/2-1/2 | 43 | Open |
| 2041 | 2021-09-10 | TCh-POL 1st League 2021 | Szklarska Poreba POL | 7.5 | Marcin Sieciechowicz | Jakub Kosakowski | 1/2-1/2 | 43 | Open |
| 2042 | 2021-09-09 | TCh-POL 1st League 2021 | Szklarska Poreba POL | 6.4 | Jakub Kosakowski | Igor Kowalski | 1/2-1/2 | 58 | Open |
| 2043 | 2021-09-08 | TCh-POL 1st League 2021 | Szklarska Poreba POL | 5.3 | Maciej Marszalek | Jakub Kosakowski | 1/2-1/2 | 87 | Open |
| 2044 | 2021-09-07 | TCh-POL 1st League 2021 | Szklarska Poreba POL | 4.2 | Jakub Kosakowski | Igor Kovalenko | 0-1 | 37 | Open |
| 2045 | 2021-09-06 | TCh-POL 1st League 2021 | Szklarska Poreba POL | 3.3 | Bartlomiej Niedbala | Jakub Kosakowski | 1/2-1/2 | 39 | Open |
| 2046 | 2021-09-05 | TCh-POL 1st League 2021 | Szklarska Poreba POL | 2.6 | Jakub Kosakowski | Dominik Marczuk | 1-0 | 35 | Open |
| 2047 | 2021-09-04 | TCh-POL 1st League 2021 | Szklarska Poreba POL | 1.2 | Nazar Ustianovich | Jakub Kosakowski | 1/2-1/2 | 42 | Open |
| 2048 | 2021-08-22 | 57th Rubinstein Mem Open | Polanica Zdroj POL | 9.2 | Jakub Kosakowski | Stepan Zilka | 1/2-1/2 | 18 | Open |
| 2049 | 2021-08-21 | 57th Rubinstein Mem Open | Polanica Zdroj POL | 8.1 | Artem Omelja | Jakub Kosakowski | 0-1 | 40 | Open |
| 2050 | 2021-08-20 | 57th Rubinstein Mem Open | Polanica Zdroj POL | 7.4 | Jakub Kosakowski | Lukasz Licznerski | 1-0 | 37 | Open |
| 2051 | 2021-08-19 | 57th Rubinstein Mem Open | Polanica Zdroj POL | 6.3 | Valeriy Grinev | Jakub Kosakowski | 1/2-1/2 | 28 | Open |
| 2052 | 2021-08-18 | 57th Rubinstein Mem Open | Polanica Zdroj POL | 5.3 | Jakub Kosakowski | Grzegorz Nasuta | 1-0 | 32 | Open |
| 2053 | 2021-08-17 | 57th Rubinstein Mem Open | Polanica Zdroj POL | 4.6 | Barbara Goraj | Jakub Kosakowski | 0-1 | 58 | Open |
| 2054 | 2021-08-16 | 57th Rubinstein Mem Open | Polanica Zdroj POL | 3.1 | Jakub Kosakowski | Stanislaw Praczukowski | 1-0 | 18 | Open |
| 2055 | 2021-08-15 | 57th Rubinstein Mem Open | Polanica Zdroj POL | 2.6 | Brendan-Budok Durand-Le Ludec | Jakub Kosakowski | 1-0 | 31 | Open |
| 2056 | 2021-08-14 | 57th Rubinstein Mem Open | Polanica Zdroj POL | 1.7 | Jakub Kosakowski | Kacper Majek | 1-0 | 57 | Open |
| 2057 | 2021-08-08 | PGNiG POL Blitz Lodz | Lodz POL | 9.14 | Patryk Paczka | Jakub Kosakowski | 0-1 | 25 | Open |
| 2058 | 2021-08-08 | PGNiG POL Blitz Lodz | Lodz POL | 8.6 | Jakub Kosakowski | Jan Golenia | 0-1 | 46 | Open |
| 2059 | 2021-08-08 | PGNiG POL Blitz Lodz | Lodz POL | 6.7 | Jakub Kosakowski | Jakub Luberanski | 1-0 | 43 | Open |
| 2060 | 2021-08-08 | PGNiG POL Blitz Lodz | Lodz POL | 13.4 | Jakub Kosakowski | Krystian Kuzmicz | 1-0 | 38 | Open |
| 2061 | 2021-08-08 | PGNiG POL Blitz Lodz | Lodz POL | 12.3 | Jakub Kosakowski | Arkadiusz Bebel | 1/2-1/2 | 59 | Open |
| 2062 | 2021-08-08 | PGNiG POL Blitz Lodz | Lodz POL | 11.6 | Damian Lewtak | Jakub Kosakowski | 0-1 | 30 | Open |
| 2063 | 2021-08-08 | PGNiG POL Blitz Lodz | Lodz POL | 10.9 | Jakub Kosakowski | Krzysztof Lukasiewicz | 1-0 | 33 | Open |
| 2064 | 2021-08-07 | PGNiG Polish Cup Lodz | Lodz POL | 8.29 | Jakub Kosakowski | Jan Golenia | 0-1 | 80 | Open |
| 2065 | 2021-08-07 | PGNiG Polish Cup Lodz | Lodz POL | 6.28 | Jakub Kosakowski | Adrian Budzisz | 1-0 | 63 | Open |
| 2066 | 2021-08-07 | PGNiG Polish Cup Lodz | Lodz POL | 5.7 | Mateusz Bartel | Jakub Kosakowski | 1-0 | 57 | Open |
| 2067 | 2021-08-07 | PGNiG Polish Cup Lodz | Lodz POL | 4.5 | Jakub Kosakowski | Michal Krasenkow | 1/2-1/2 | 48 | Open |
| 2068 | 2021-08-07 | PGNiG Polish Cup Lodz | Lodz POL | 3.26 | Wojciech Golenia | Jakub Kosakowski | 0-1 | 64 | Open |
| 2069 | 2021-08-07 | PGNiG Polish Cup Lodz | Lodz POL | 2.29 | Jakub Kosakowski | Aleksandra Tarnowska | 1-0 | 27 | Open |
| 2070 | 2021-08-03 | 5th Irena Warakomska Mem | Suwalki POL | 9.6 | Jakub Kosakowski | Jan Klimkowski | 1/2-1/2 | 30 | Open |
| 2071 | 2021-08-02 | 5th Irena Warakomska Mem | Suwalki POL | 8.8 | Damian Lewtak | Jakub Kosakowski | 1/2-1/2 | 43 | Open |
| 2072 | 2021-08-01 | 5th Irena Warakomska Mem | Suwalki POL | 7.2 | Grzegorz Nasuta | Jakub Kosakowski | 1-0 | 71 | Open |
| 2073 | 2021-07-31 | 5th Irena Warakomska Mem | Suwalki POL | 6.2 | Jakub Kosakowski | Boris Chatalbashev | 1/2-1/2 | 45 | Open |
| 2074 | 2021-07-30 | 5th Irena Warakomska Mem | Suwalki POL | 5.2 | Jakub Kosakowski | Tomas Laurusas | 1/2-1/2 | 23 | Open |
| 2075 | 2021-07-29 | 5th Irena Warakomska Mem | Suwalki POL | 4.4 | Kamil Szadkowski | Jakub Kosakowski | 0-1 | 58 | Open |
| 2076 | 2021-07-29 | 5th Irena Warakomska Mem | Suwalki POL | 3.8 | Jakub Kosakowski | Krzysztof Budrewicz | 1-0 | 23 | Open |
| 2077 | 2021-07-28 | 5th Irena Warakomska Mem | Suwalki POL | 2.18 | Pola Parol | Jakub Kosakowski | 0-1 | 41 | Open |
| 2078 | 2021-07-27 | 5th Irena Warakomska Mem | Suwalki POL | 1.11 | Jakub Kosakowski | Tygran Dzhuguryan | 1/2-1/2 | 55 | Open |
| 2079 | 2021-07-18 | Najdorf Mem Open A 2021 | Warsaw POL | 9.7 | Oleg M Romanishin | Jakub Kosakowski | 0-1 | 38 | Open |
| 2080 | 2021-07-17 | Najdorf Mem Open A 2021 | Warsaw POL | 8.5 | Piotr Mickiewicz | Jakub Kosakowski | 1-0 | 39 | Open |
| 2081 | 2021-07-16 | Najdorf Mem Open A 2021 | Warsaw POL | 7.4 | Jakub Kosakowski | Eduardas Rozentalis | 1/2-1/2 | 16 | Open |
| 2082 | 2021-07-15 | Najdorf Mem Open A 2021 | Warsaw POL | 6.1 | Jakub Kosakowski | Alexander Donchenko | 1/2-1/2 | 72 | Open |
| 2083 | 2021-07-14 | Najdorf Mem Open A 2021 | Warsaw POL | 5.2 | Kamil Dragun | Jakub Kosakowski | 1/2-1/2 | 21 | Open |
| 2084 | 2021-07-13 | Najdorf Mem Open A 2021 | Warsaw POL | 4.4 | Jakub Kosakowski | Maria Malicka | 1-0 | 27 | Open |
| 2085 | 2021-07-12 | Najdorf Mem Open A 2021 | Warsaw POL | 3.7 | Kacper Zochowski | Jakub Kosakowski | 0-1 | 39 | Open |
| 2086 | 2021-07-11 | Najdorf Mem Open A 2021 | Warsaw POL | 2.11 | Jakub Kosakowski | Arkadiusz Kaczmarek | 1-0 | 32 | Open |
| 2087 | 2021-07-10 | Najdorf Mem Open A 2021 | Warsaw POL | 1.12 | Mateusz Malaczek | Jakub Kosakowski | 0-1 | 23 | Open |
| 2088 | 2021-07-09 | Jana Maciei Mem 2021 | Warsaw POL | 9.5 | Jakub Kosakowski | Boris Chatalbashev | 1-0 | 42 | Open |
| 2089 | 2021-07-09 | Jana Maciei Mem 2021 | Warsaw POL | 8.4 | Szymon Gumularz | Jakub Kosakowski | 1/2-1/2 | 53 | Open |
| 2090 | 2021-07-09 | Jana Maciei Mem 2021 | Warsaw POL | 7.6 | Jakub Kosakowski | Marcel Kanarek | 1-0 | 30 | Open |
| 2091 | 2021-07-09 | Jana Maciei Mem 2021 | Warsaw POL | 5.2 | Jakub Kosakowski | Alexander Donchenko | 0-1 | 41 | Open |
| 2092 | 2021-07-09 | Jana Maciei Mem 2021 | Warsaw POL | 4.9 | Jakub Luberanski | Jakub Kosakowski | 0-1 | 44 | Open |
| 2093 | 2021-07-09 | Jana Maciei Mem 2021 | Warsaw POL | 3.14 | Jakub Kosakowski | Iwo Karolczuk | 1-0 | 33 | Open |
| 2094 | 2021-07-09 | Jana Maciei Mem 2021 | Warsaw POL | 11.1 | Kacper Karwowski | Jakub Kosakowski | 1/2-1/2 | 65 | Open |
| 2095 | 2021-07-09 | Jana Maciei Mem 2021 | Warsaw POL | 10.2 | Jakub Kosakowski | Bartlomiej Heberla | 1-0 | 39 | Open |
| 2096 | 2021-07-09 | Jana Maciei Mem 2021 | Warsaw POL | 1.2 | Jakub Kosakowski | Marcin Paziewski | 1-0 | 7 | Open |
| 2097 | 2021-06-06 | Malopolska Championships | Krakow POL | 7.14 | Jakub Kosakowski | Andrzej Kulesza | 1-0 | 27 | Open |
| 2098 | 2021-06-05 | Malopolska Championships | Krakow POL | 6.9 | Jakub Kosakowski | Marcin Chmiel | 0-1 | 52 | Open |
| 2099 | 2021-06-05 | Malopolska Championships | Krakow POL | 5.7 | Gahan M G | Jakub Kosakowski | 1-0 | 40 | Open |
| 2100 | 2021-06-04 | Malopolska Championships | Krakow POL | 4.1 | Jakub Kosakowski | Witold Klepek | 1-0 | 47 | Open |
| 2101 | 2021-06-04 | Malopolska Championships | Krakow POL | 3.4 | Jakub Suder | Jakub Kosakowski | 1-0 | 47 | Open |
| 2102 | 2021-06-03 | Malopolska Championships | Krakow POL | 2.8 | Jakub Kosakowski | Jan Golenia | 1-0 | 59 | Open |
| 2103 | 2021-06-03 | Malopolska Championships | Krakow POL | 1.4 | Emilia Dylag | Jakub Kosakowski | 1/2-1/2 | 49 | Open |
| 2104 | 2021-05-28 | Tatra Limba Open 2021 | Poronin POL | 9.2 | Jakub Kosakowski | Stanislaw Zylka | 1/2-1/2 | 31 | Open |
| 2105 | 2021-05-26 | Tatra Limba Open 2021 | Poronin POL | 7.2 | Jakub Kosakowski | Jan Klimkowski | 1/2-1/2 | 36 | Open |
| 2106 | 2021-05-26 | Tatra Limba Open 2021 | Poronin POL | 6.1 | Petro Golubka | Jakub Kosakowski | 1/2-1/2 | 23 | Open |
| 2107 | 2021-05-25 | Tatra Limba Open 2021 | Poronin POL | 5.1 | Jakub Kosakowski | Lukasz Licznerski | 1-0 | 30 | Open |
| 2108 | 2021-05-24 | Tatra Limba Open 2021 | Poronin POL | 4.5 | Emilia Dylag | Jakub Kosakowski | 0-1 | 52 | Open |
| 2109 | 2021-05-24 | Tatra Limba Open 2021 | Poronin POL | 3.11 | Jakub Kosakowski | Damian Daniel | 1-0 | 35 | Open |
| 2110 | 2021-05-23 | Tatra Limba Open 2021 | Poronin POL | 2.23 | Michal Syrkiewicz | Jakub Kosakowski | 0-1 | 35 | Open |
| 2111 | 2021-05-22 | Tatra Limba Open 2021 | Poronin POL | 1.3 | Jakub Kosakowski | Dariusz Dziewonski | 1/2-1/2 | 54 | Open |
| 2112 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 9 | Nad-Titus Petre | Jakub Kosakowski | 0-1 | 50 | Open |
| 2113 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 8 | Pavel V. Tregubov | Jakub Kosakowski | 1-0 | 19 | Open |
| 2114 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 7 | Jakub Kosakowski | Jose Eduardo Martinez Alcantara | 0-1 | 33 | Open |
| 2115 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 6 | Jakub Kosakowski | Graham Horobetz | 1-0 | 77 | Open |
| 2116 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 5 | Josue Araujo Sanchez | Jakub Kosakowski | 0-1 | 33 | Open |
| 2117 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 3 | Jakub Kosakowski | Ilja Sirosh | 1/2-1/2 | 63 | Open |
| 2118 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 2 | Richard G Pert | Jakub Kosakowski | 1-0 | 53 | Open |
| 2119 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 1 | Jakub Kosakowski | Pablo Glavina | 1-0 | 64 | Open |
| 2120 | 2020-12-29 | Titled Tuesday 29th Dec | chess.com INT | 10 | Jakub Kosakowski | Eldiyar Orozbaev | 1-0 | 34 | Open |
| 2121 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 9 | Jakub Kosakowski | Sanan Sjugirov | 1-0 | 39 | Open |
| 2122 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 8 | Ekaterina Miroshnik | Jakub Kosakowski | 0-1 | 53 | Open |
| 2123 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 7 | Jakub Kosakowski | Gilbert Elroy Tarigan | 1-0 | 47 | Open |
| 2124 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 6 | Raunak Sadhwani | Jakub Kosakowski | 1-0 | 41 | Open |
| 2125 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 5 | Jakub Kosakowski | Eltaj Safarli | 0-1 | 39 | Open |
| 2126 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 4 | Giga Quparadze | Jakub Kosakowski | 0-1 | 32 | Open |
| 2127 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 3 | Sherif Khater | Jakub Kosakowski | 0-1 | 38 | Open |
| 2128 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 2 | Jakub Kosakowski | Mukhiddin Madaminov | 1-0 | 27 | Open |
| 2129 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 1 | Oleg Kislov | Jakub Kosakowski | 0-1 | 32 | Open |
| 2130 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 11 | Aleksandr Shimanov | Jakub Kosakowski | 0-1 | 74 | Open |
| 2131 | 2020-12-22 | Titled Tuesday 22nd Dec | chess.com INT | 10 | Jose Eduardo Martinez Alcantara | Jakub Kosakowski | 1/2-1/2 | 102 | Open |
| 2132 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 9.56 | Tangi Migot | Jakub Kosakowski | 0-1 | 27 | Open |
| 2133 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 8.74 | Jakub Kosakowski | Pierre Villegas | 1-0 | 57 | Open |
| 2134 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 7.47 | Vasif Durarbayli | Jakub Kosakowski | 1-0 | 43 | Open |
| 2135 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 6.82 | Jakub Kosakowski | Viktoriya Tarasova | 1-0 | 48 | Open |
| 2136 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 5.44 | Georg Meier | Jakub Kosakowski | 1-0 | 21 | Open |
| 2137 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 4.38 | Jakub Kosakowski | Evgeny Postny | 1/2-1/2 | 82 | Open |
| 2138 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 3.103 | Ekin Baris Ozenir | Jakub Kosakowski | 0-1 | 59 | Open |
| 2139 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 2.12 | Jakub Kosakowski | Yahor Silich | 1-0 | 30 | Open |
| 2140 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 11.22 | Grzegorz Gajewski | Jakub Kosakowski | 0-1 | 70 | Open |
| 2141 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 10.42 | Jakub Kosakowski | Wojciech Przybylski | 1-0 | 75 | Open |
| 2142 | 2020-12-18 | Euro Online Blitz Quali | Tornelo INT | 1.151 | Piotr Jagodzinski | Jakub Kosakowski | 1-0 | 62 | Open |
| 2143 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 9 | Jakub Kosakowski | Vahap Sanal | 0-1 | 36 | Open |
| 2144 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 8 | Jakub Kosakowski | Brandon Jacobson | 1/2-1/2 | 78 | Open |
| 2145 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 7 | Gukesh D | Jakub Kosakowski | 0-1 | 54 | Open |
| 2146 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 6 | David Temirkanov | Jakub Kosakowski | 0-1 | 59 | Open |
| 2147 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 4 | Sargis A. Manukyan | Jakub Kosakowski | 1/2-1/2 | 88 | Open |
| 2148 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 3 | Jakub Kosakowski | Narayanan S L | 0-1 | 32 | Open |
| 2149 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 2 | Jakub Kosakowski | Anil Berk Erdogan | 1-0 | 36 | Open |
| 2150 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 1 | Mikhail Pesotskiy | Jakub Kosakowski | 0-1 | 32 | Open |
| 2151 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 11 | Jakub Kosakowski | Jose Eduardo Martinez Alcantara | 0-1 | 24 | Open |
| 2152 | 2020-12-15 | Titled Tuesday 15th Dec | chess.com INT | 10 | Krzysztof Jakubowski | Jakub Kosakowski | 0-1 | 52 | Open |
| 2153 | 2020-12-06 | ch-POL U20 2020 | Pokrzywna POL | 9.5 | Jakub Kosakowski | Tymon Ochedzan | 1-0 | 37 | Open |
| 2154 | 2020-12-05 | ch-POL U20 2020 | Pokrzywna POL | 8.1 | Pawel Teclaf | Jakub Kosakowski | 1-0 | 34 | Open |
| 2155 | 2020-12-04 | ch-POL U20 2020 | Pokrzywna POL | 7.2 | Milosz Szpar | Jakub Kosakowski | 1/2-1/2 | 46 | Open |
| 2156 | 2020-12-03 | ch-POL U20 2020 | Pokrzywna POL | 6.1 | Jakub Kosakowski | Kosma Pacan-Milej | 1/2-1/2 | 42 | Open |
| 2157 | 2020-12-02 | ch-POL U20 2020 | Pokrzywna POL | 5.1 | Igor Janik | Jakub Kosakowski | 1/2-1/2 | 53 | Open |
| 2158 | 2020-12-02 | ch-POL U20 2020 | Pokrzywna POL | 4.3 | Jakub Kosakowski | Tymon Czernek | 1-0 | 36 | Open |
| 2159 | 2020-12-01 | ch-POL U20 2020 | Pokrzywna POL | 3.3 | Iwo Godzwon | Jakub Kosakowski | 0-1 | 22 | Open |
| 2160 | 2020-11-30 | ch-POL U20 2020 | Pokrzywna POL | 2.4 | Jakub Kosakowski | Jan Kokoszczynski | 1-0 | 73 | Open |
| 2161 | 2020-11-30 | ch-POL U20 2020 | Pokrzywna POL | 1.4 | Jakub Janeczko | Jakub Kosakowski | 0-1 | 33 | Open |
| 2162 | 2020-09-03 | TCh-POL Ekstraliga 2020 | Warsaw POL | 9.3 | Piotr Nguyen | Jakub Kosakowski | 0-1 | 42 | Open |
| 2163 | 2020-09-02 | TCh-POL Ekstraliga 2020 | Warsaw POL | 8.3 | Jakub Kosakowski | Marcin Krzyzanowski | 0-1 | 43 | Open |
| 2164 | 2020-09-01 | TCh-POL Ekstraliga 2020 | Warsaw POL | 7.4 | Marcin Tazbir | Jakub Kosakowski | 0-1 | 56 | Open |
| 2165 | 2020-08-31 | TCh-POL Ekstraliga 2020 | Warsaw POL | 6.2 | Jakub Kosakowski | Michal Bartel | 1-0 | 40 | Open |
| 2166 | 2020-08-30 | TCh-POL Ekstraliga 2020 | Warsaw POL | 5.5 | Kamil Miton | Jakub Kosakowski | 0-1 | 39 | Open |
| 2167 | 2020-08-29 | TCh-POL Ekstraliga 2020 | Warsaw POL | 4.1 | Jakub Kosakowski | Marcel Kanarek | 0-1 | 29 | Open |
| 2168 | 2020-08-28 | TCh-POL Ekstraliga 2020 | Warsaw POL | 3.5 | Jakub Kosakowski | Miroslaw Grabarczyk | 0-1 | 44 | Open |
| 2169 | 2020-08-27 | TCh-POL Ekstraliga 2020 | Warsaw POL | 2.2 | Jakub Kosakowski | Aleksander Hnydiuk | 1/2-1/2 | 27 | Open |
| 2170 | 2020-08-26 | TCh-POL Ekstraliga 2020 | Warsaw POL | 1.4 | Michal Olszewski | Jakub Kosakowski | 0-1 | 60 | Open |
| 2171 | 2020-07-06 | 16th Baltic Pearl Open | Lazy POL | 9.1 | Milosz Szpar | Jakub Kosakowski | 1/2-1/2 | 37 | Open |
| 2172 | 2020-07-05 | 16th Baltic Pearl Open | Lazy POL | 8.1 | Jakub Kosakowski | Mieszko Mis | 1/2-1/2 | 26 | Open |
| 2173 | 2020-07-04 | 16th Baltic Pearl Open | Lazy POL | 7.1 | Jakub Kosakowski | Antoni Kozak | 1/2-1/2 | 49 | Open |
| 2174 | 2020-07-03 | 16th Baltic Pearl Open | Lazy POL | 6.1 | Anna Kubicka | Jakub Kosakowski | 0-1 | 54 | Open |
| 2175 | 2020-07-02 | 16th Baltic Pearl Open | Lazy POL | 5.1 | Jakub Kosakowski | Jan Klimkowski | 1/2-1/2 | 53 | Open |
| 2176 | 2020-07-01 | 16th Baltic Pearl Open | Lazy POL | 4.1 | Tymon Czernek | Jakub Kosakowski | 0-1 | 38 | Open |
| 2177 | 2020-06-30 | 16th Baltic Pearl Open | Lazy POL | 3.1 | Jakub Kosakowski | Oskar Dixa | 1-0 | 41 | Open |
| 2178 | 2020-06-29 | 16th Baltic Pearl Open | Lazy POL | 2.1 | Szymon Skurniak | Jakub Kosakowski | 0-1 | 62 | Open |
| 2179 | 2020-06-28 | 16th Baltic Pearl Open | Lazy POL | 1.1 | Jakub Kosakowski | Monika Marcinczyk | 1-0 | 45 | Open |
| 2180 | 2020-03-13 | ch-POL U18 2020 | Szklarska Poreba POL | 8.1 | Jakub Kosakowski | Pawel Teclaf | 1/2-1/2 | 30 | Open |
| 2181 | 2020-03-13 | ch-POL U18 2020 | Szklarska Poreba POL | 7.3 | Mikolaj Nowak | Jakub Kosakowski | 0-1 | 60 | Open |
| 2182 | 2020-03-12 | ch-POL U18 2020 | Szklarska Poreba POL | 6.1 | Jakub Kosakowski | Iwo Godzwon | 1/2-1/2 | 47 | Open |
| 2183 | 2020-03-11 | ch-POL U18 2020 | Szklarska Poreba POL | 5.1 | Milosz Szpar | Jakub Kosakowski | 1/2-1/2 | 31 | Open |
| 2184 | 2020-03-10 | ch-POL U18 2020 | Szklarska Poreba POL | 4.3 | Jakub Kosakowski | Jan Kokoszczynski | 1-0 | 40 | Open |
| 2185 | 2020-03-09 | ch-POL U18 2020 | Szklarska Poreba POL | 3.5 | Mateusz Lis | Jakub Kosakowski | 0-1 | 36 | Open |
| 2186 | 2020-03-08 | ch-POL U18 2020 | Szklarska Poreba POL | 2.8 | Jakub Kosakowski | Mateusz Skowron | 1-0 | 45 | Open |
| 2187 | 2020-03-07 | ch-POL U18 2020 | Szklarska Poreba POL | 1.2 | Bartlomiej Kucharski | Jakub Kosakowski | 1/2-1/2 | 64 | Open |
| 2188 | 2020-02-21 | Graz Open A 2020 | Graz AUT | 9.9 | Jakub Kosakowski | Andrei Istratescu | 0-1 | 42 | Open |
| 2189 | 2020-02-20 | Graz Open A 2020 | Graz AUT | 8.19 | Gergana Peycheva | Jakub Kosakowski | 0-1 | 30 | Open |
| 2190 | 2020-02-19 | Graz Open A 2020 | Graz AUT | 7.2 | Jakub Kosakowski | Martin Stukan | 1/2-1/2 | 46 | Open |
| 2191 | 2020-02-18 | Graz Open A 2020 | Graz AUT | 6.4 | Jose Eduardo Martinez Alcantara | Jakub Kosakowski | 1-0 | 53 | Open |
| 2192 | 2020-02-18 | Graz Open A 2020 | Graz AUT | 5.15 | Jakub Kosakowski | Yoav Milikow | 1-0 | 44 | Open |
| 2193 | 2020-02-17 | Graz Open A 2020 | Graz AUT | 4.26 | Gerard Welling | Jakub Kosakowski | 0-1 | 60 | Open |
| 2194 | 2020-02-16 | Graz Open A 2020 | Graz AUT | 3.36 | Jakub Kosakowski | Matthias Tonndorf | 1-0 | 55 | Open |
| 2195 | 2020-02-15 | Graz Open A 2020 | Graz AUT | 2.28 | David Brinovec | Jakub Kosakowski | 1-0 | 51 | Open |
| 2196 | 2020-02-14 | Graz Open A 2020 | Graz AUT | 1.33 | Jakub Kosakowski | Annika Froewis | 1-0 | 59 | Open |
| 2197 | 2019-12-31 | XXXVIII Zamenhofa Mem | Bialystok POL | 9.4 | Jakub Kosakowski | Marcel Kanarek | 1-0 | 36 | Open |
| 2198 | 2019-12-30 | XXXVIII Zamenhofa Mem | Bialystok POL | 8.5 | Jakub Kosakowski | Filip Cukrowski | 1/2-1/2 | 99 | Open |
| 2199 | 2019-12-30 | XXXVIII Zamenhofa Mem | Bialystok POL | 7.1 | Bartlomiej Heberla | Jakub Kosakowski | 1-0 | 41 | Open |
| 2200 | 2019-12-29 | XXXVIII Zamenhofa Mem | Bialystok POL | 6.3 | Jakub Kosakowski | Igor Janik | 1-0 | 23 | Open |
| 2201 | 2019-12-29 | XXXVIII Zamenhofa Mem | Bialystok POL | 5.3 | Pawel Teclaf | Jakub Kosakowski | 1/2-1/2 | 30 | Open |
| 2202 | 2019-12-28 | XXXVIII Zamenhofa Mem | Bialystok POL | 4.6 | Jakub Kosakowski | Iwo Karolczuk | 1-0 | 34 | Open |
| 2203 | 2019-12-28 | XXXVIII Zamenhofa Mem | Bialystok POL | 3.2 | Tomasz Markowski | Jakub Kosakowski | 1-0 | 47 | Open |
| 2204 | 2019-12-27 | XXXVIII Zamenhofa Mem | Bialystok POL | 2.6 | Aras Vardanyan | Jakub Kosakowski | 0-1 | 30 | Open |
| 2205 | 2019-12-27 | XXXVIII Zamenhofa Mem | Bialystok POL | 1.1 | Jakub Kosakowski | Arkadiusz Kaczmarek | 1-0 | 48 | Open |
| 2206 | 2019-09-15 | TCh-POL 1st League 2019 | Dzwirzyno POL | 9.5 | Jakub Kosakowski | Karol Rawicz | 1/2-1/2 | 52 | Open |
| 2207 | 2019-09-14 | TCh-POL 1st League 2019 | Dzwirzyno POL | 8.1 | Mateusz Paszewski | Jakub Kosakowski | 1/2-1/2 | 42 | Open |
| 2208 | 2019-09-13 | TCh-POL 1st League 2019 | Dzwirzyno POL | 7.5 | Borys Tofil | Jakub Kosakowski | 0-1 | 60 | Open |
| 2209 | 2019-09-12 | TCh-POL 1st League 2019 | Dzwirzyno POL | 6.2 | Jakub Kosakowski | Miroslaw Grabarczyk | 1/2-1/2 | 33 | Open |
| 2210 | 2019-09-11 | TCh-POL 1st League 2019 | Dzwirzyno POL | 5.4 | Slawomir Szmacinski | Jakub Kosakowski | 0-1 | 42 | Open |
| 2211 | 2019-09-10 | TCh-POL 1st League 2019 | Dzwirzyno POL | 4.3 | Jakub Kosakowski | Mikolaj Winiarski | 1-0 | 28 | Open |
| 2212 | 2019-09-09 | TCh-POL 1st League 2019 | Dzwirzyno POL | 3.3 | Kamil Plichta | Jakub Kosakowski | 1-0 | 52 | Open |
| 2213 | 2019-09-08 | TCh-POL 1st League 2019 | Dzwirzyno POL | 2.4 | Jakub Kosakowski | Kamil Koziol | 1/2-1/2 | 30 | Open |
| 2214 | 2019-09-07 | TCh-POL 1st League 2019 | Dzwirzyno POL | 1.2 | Maciej Nurkiewicz | Jakub Kosakowski | 1/2-1/2 | 20 | Open |
| 2215 | 2019-08-25 | 55th Rubinstein Mem | Polanica Zdroj POL | 9.7 | Lukasz Luba | Jakub Kosakowski | 0-1 | 31 | Open |
| 2216 | 2019-08-24 | 55th Rubinstein Mem | Polanica Zdroj POL | 8.2 | Jakub Kosakowski | Antoni Kozak | 0-1 | 28 | Open |
| 2217 | 2019-08-23 | 55th Rubinstein Mem | Polanica Zdroj POL | 7.3 | Damian Lewtak | Jakub Kosakowski | 1/2-1/2 | 37 | Open |
| 2218 | 2019-08-22 | 55th Rubinstein Mem | Polanica Zdroj POL | 6.4 | Jakub Kosakowski | Marek Zych | 1-0 | 51 | Open |
| 2219 | 2019-08-21 | 55th Rubinstein Mem | Polanica Zdroj POL | 5.3 | Karol Jaroch | Jakub Kosakowski | 1/2-1/2 | 31 | Open |
| 2220 | 2019-08-20 | 55th Rubinstein Mem | Polanica Zdroj POL | 4.6 | Jakub Kosakowski | Krzysztof Lukasiewicz | 1-0 | 55 | Open |
| 2221 | 2019-08-19 | 55th Rubinstein Mem | Polanica Zdroj POL | 3.12 | Volkhard Hetzer | Jakub Kosakowski | 0-1 | 41 | Open |
| 2222 | 2019-08-18 | 55th Rubinstein Mem | Polanica Zdroj POL | 2.25 | Jakub Kosakowski | Marek Simon | 1-0 | 43 | Open |
| 2223 | 2019-08-17 | 55th Rubinstein Mem | Polanica Zdroj POL | 1.6 | Michal Szydlo | Jakub Kosakowski | 1/2-1/2 | 60 | Open |
| 2224 | 2019-08-12 | 3rd Irena Warakomska Mem | Suwalki POL | 9.9 | Jakub Kosakowski | Krzysztof Jakubowski | 1/2-1/2 | 51 | Open |
| 2225 | 2019-08-11 | 3rd Irena Warakomska Mem | Suwalki POL | 8.1 | Viacheslav V. Zakhartsov | Jakub Kosakowski | 1/2-1/2 | 34 | Open |
| 2226 | 2019-08-10 | 3rd Irena Warakomska Mem | Suwalki POL | 7.2 | Jakub Kosakowski | Jakub Suliborski | 1-0 | 43 | Open |
| 2227 | 2019-08-09 | 3rd Irena Warakomska Mem | Suwalki POL | 6.7 | Alon Greenfeld | Jakub Kosakowski | 1-0 | 40 | Open |
| 2228 | 2019-08-08 | 3rd Irena Warakomska Mem | Suwalki POL | 5.7 | Jakub Kosakowski | Vladimir Zakhartsov | 1/2-1/2 | 40 | Open |
| 2229 | 2019-08-07 | 3rd Irena Warakomska Mem | Suwalki POL | 4.13 | Jakub Kosakowski | Pawel Czarnota | 1-0 | 70 | Open |
| 2230 | 2019-08-07 | 3rd Irena Warakomska Mem | Suwalki POL | 3.5 | Grzegorz Nasuta | Jakub Kosakowski | 1-0 | 49 | Open |
| 2231 | 2019-08-06 | 3rd Irena Warakomska Mem | Suwalki POL | 2.1 | Jakub Kosakowski | Eduardo Iturrizaga Bonelli | 1-0 | 40 | Open |
| 2232 | 2019-08-05 | 3rd Irena Warakomska Mem | Suwalki POL | 1.28 | Marek Pniaczek | Jakub Kosakowski | 0-1 | 35 | Open |
| 2233 | 2019-07-27 | 30th Czech Open A 2019 | Pardubice CZE | 9.47 | Jakub Kosakowski | Ruslan Yandarbiev | 1-0 | 29 | Open |
| 2234 | 2019-07-26 | 30th Czech Open A 2019 | Pardubice CZE | 8.7 | Vojtech Sramek | Jakub Kosakowski | 0-1 | 27 | Open |
| 2235 | 2019-07-25 | 30th Czech Open A 2019 | Pardubice CZE | 7.5 | Jakub Kosakowski | Moritz Weishaeutel | 0-1 | 50 | Open |
| 2236 | 2019-07-24 | 30th Czech Open A 2019 | Pardubice CZE | 6.44 | Dmitriy Kushko | Jakub Kosakowski | 1/2-1/2 | 41 | Open |
| 2237 | 2019-07-23 | 30th Czech Open A 2019 | Pardubice CZE | 5.51 | Jakub Kosakowski | Yoav Milikow | 1/2-1/2 | 59 | Open |
| 2238 | 2019-07-22 | 30th Czech Open A 2019 | Pardubice CZE | 4.45 | Moksh Amit Doshi | Jakub Kosakowski | 1/2-1/2 | 39 | Open |
| 2239 | 2019-07-21 | 30th Czech Open A 2019 | Pardubice CZE | 3.66 | Jakub Kosakowski | Henrik Hesse | 1-0 | 53 | Open |
| 2240 | 2019-07-19 | 30th Czech Open A 2019 | Pardubice CZE | 1.68 | Jakub Kosakowski | Rainer ter Stal | 0-1 | 46 | Open |
| 2241 | 2019-07-17 | European Youth U18 Teams | Pardubice CZE | 7.3 | Jakub Kosakowski | Robby Kevlishvili | 0-1 | 29 | Open |
| 2242 | 2019-07-16 | European Youth U18 Teams | Pardubice CZE | 6.3 | Peter Viczencz | Jakub Kosakowski | 0-1 | 51 | Open |
| 2243 | 2019-07-15 | European Youth U18 Teams | Pardubice CZE | 5.3 | Filip Haring | Jakub Kosakowski | 0-1 | 51 | Open |
| 2244 | 2019-07-14 | European Youth U18 Teams | Pardubice CZE | 4.3 | Jakub Kosakowski | Denis Lazavik | 1-0 | 84 | Open |
| 2245 | 2019-07-13 | European Youth U18 Teams | Pardubice CZE | 3.3 | Jakub Kosakowski | Ido Gorshtein | 0-1 | 51 | Open |
| 2246 | 2019-07-12 | European Youth U18 Teams | Pardubice CZE | 2.3 | Luka Budisavljevic | Jakub Kosakowski | 0-1 | 58 | Open |
| 2247 | 2019-07-11 | European Youth U18 Teams | Pardubice CZE | 1.3 | Jakub Kosakowski | Domen Tisaj | 1/2-1/2 | 46 | Open |
| 2248 | 2019-04-22 | GRENKE Chess Open 2019 | Karlsruhe GER | 9.68 | Luca Suvorov | Jakub Kosakowski | 1/2-1/2 | 38 | Open |
| 2249 | 2019-04-22 | GRENKE Chess Open 2019 | Karlsruhe GER | 8.8 | Jakub Kosakowski | Alok Sinha | 1-0 | 50 | Open |
| 2250 | 2019-04-21 | GRENKE Chess Open 2019 | Karlsruhe GER | 7.82 | Atilla Koksal Yuksel | Jakub Kosakowski | 1/2-1/2 | 64 | Open |
| 2251 | 2019-04-21 | GRENKE Chess Open 2019 | Karlsruhe GER | 6.26 | Jakub Kosakowski | Timur Gareyev | 1-0 | 64 | Open |
| 2252 | 2019-04-20 | GRENKE Chess Open 2019 | Karlsruhe GER | 5.76 | Sebastian Brandt | Jakub Kosakowski | 0-1 | 39 | Open |
| 2253 | 2019-04-20 | GRENKE Chess Open 2019 | Karlsruhe GER | 4.96 | Jakub Kosakowski | Pune Rahul Kumar | 1-0 | 40 | Open |
| 2254 | 2019-04-19 | GRENKE Chess Open 2019 | Karlsruhe GER | 3.4 | Yuriy Kuzubov | Jakub Kosakowski | 1-0 | 33 | Open |
| 2255 | 2019-04-19 | GRENKE Chess Open 2019 | Karlsruhe GER | 2.102 | Jakub Kosakowski | Patrick Terhuven | 1-0 | 34 | Open |
| 2256 | 2019-03-16 | ch-POL U18 2019 | Szklarska Poreba POL | 9.3 | Oskar Oglaza | Jakub Kosakowski | 1/2-1/2 | 31 | Open |
| 2257 | 2019-03-15 | ch-POL U18 2019 | Szklarska Poreba POL | 8.1 | Jakub Kosakowski | Antoni Kozak | 0-1 | 51 | Open |
| 2258 | 2019-03-14 | ch-POL U18 2019 | Szklarska Poreba POL | 7.1 | Krzysztof Lukasiewicz | Jakub Kosakowski | 0-1 | 39 | Open |
| 2259 | 2019-03-13 | ch-POL U18 2019 | Szklarska Poreba POL | 6.3 | Jakub Kosakowski | Jakub Fus | 1-0 | 91 | Open |
| 2260 | 2019-03-12 | ch-POL U18 2019 | Szklarska Poreba POL | 5.7 | Michal Wierzbicki | Jakub Kosakowski | 0-1 | 61 | Open |
| 2261 | 2019-03-11 | ch-POL U18 2019 | Szklarska Poreba POL | 4.5 | Jakub Kosakowski | Mikolaj Nowak | 1/2-1/2 | 94 | Open |
| 2262 | 2019-03-10 | ch-POL U18 2019 | Szklarska Poreba POL | 3.3 | Patryk Chylewski | Jakub Kosakowski | 1/2-1/2 | 30 | Open |
| 2263 | 2019-03-09 | ch-POL U18 2019 | Szklarska Poreba POL | 2.9 | Jakub Kosakowski | Mikolaj Polczyk | 1-0 | 47 | Open |
| 2264 | 2019-03-09 | ch-POL U18 2019 | Szklarska Poreba POL | 1.1 | Kacper Jarzebowski | Jakub Kosakowski | 1/2-1/2 | 49 | Open |
| 2265 | 2019-01-27 | 81st Tata Steel TOP | Wijk aan Zee NED | 9.2 | Robby Kevlishvili | Jakub Kosakowski | 0-1 | 0 | Open |
| 2266 | 2019-01-26 | 81st Tata Steel TOP | Wijk aan Zee NED | 8.5 | Jakub Kosakowski | Martin Martens | 1-0 | 36 | Open |
| 2267 | 2019-01-25 | 81st Tata Steel TOP | Wijk aan Zee NED | 7.5 | Liam Vrolijk | Jakub Kosakowski | 1-0 | 30 | Open |
| 2268 | 2019-01-23 | 81st Tata Steel TOP | Wijk aan Zee NED | 6.3 | Jakub Kosakowski | Thomas Beerdsen | 0-1 | 33 | Open |
| 2269 | 2019-01-22 | 81st Tata Steel TOP | Wijk aan Zee NED | 5.5 | Zeinab Mamedjarova | Jakub Kosakowski | 1-0 | 28 | Open |
| 2270 | 2019-01-21 | 81st Tata Steel TOP | Wijk aan Zee NED | 4.5 | Jakub Kosakowski | Stefan Beukema | 1/2-1/2 | 47 | Open |
| 2271 | 2019-01-20 | 81st Tata Steel TOP | Wijk aan Zee NED | 3.4 | Jakub Kosakowski | Barry Brink | 1/2-1/2 | 22 | Open |
| 2272 | 2019-01-19 | 81st Tata Steel TOP | Wijk aan Zee NED | 2.5 | Max Warmerdam | Jakub Kosakowski | 1-0 | 84 | Open |
| 2273 | 2019-01-18 | 81st Tata Steel TOP | Wijk aan Zee NED | 1.2 | Jakub Kosakowski | Jovana Rapport | 1/2-1/2 | 58 | Open |
| 2274 | 2019-01-04 | 29th Cracovia Open A | Krakow POL | 9.2 | Marco Dietmayer-Kraeutler | Jakub Kosakowski | 1-0 | 38 | Open |
| 2275 | 2019-01-03 | 29th Cracovia Open A | Krakow POL | 8.6 | Georgios Gkoumas | Jakub Kosakowski | 0-1 | 39 | Open |
| 2276 | 2019-01-02 | 29th Cracovia Open A | Krakow POL | 7.11 | Jakub Kosakowski | Marek Zakrzewski | 1-0 | 60 | Open |
| 2277 | 2018-12-31 | 29th Cracovia Open A | Krakow POL | 6.16 | Kacper Zochowski | Jakub Kosakowski | 0-1 | 51 | Open |
| 2278 | 2018-12-30 | 29th Cracovia Open A | Krakow POL | 5.18 | Jakub Kosakowski | Dawid Czerw | 1/2-1/2 | 61 | Open |
| 2279 | 2018-12-29 | 29th Cracovia Open A | Krakow POL | 4.6 | Kacper Grela | Jakub Kosakowski | 1-0 | 38 | Open |
| 2280 | 2018-12-29 | 29th Cracovia Open A | Krakow POL | 3.3 | Jakub Kosakowski | Qing Aun Lee | 1/2-1/2 | 40 | Open |
| 2281 | 2018-12-28 | 29th Cracovia Open A | Krakow POL | 2.7 | Przemyslaw Piotrowski | Jakub Kosakowski | 0-1 | 27 | Open |
| 2282 | 2018-12-27 | 29th Cracovia Open A | Krakow POL | 1.1 | Jakub Kosakowski | Alexandra Zherebtsova | 1-0 | 37 | Open |
| 2283 | 2018-12-02 | World Youth U16 Olympiad | Konya TUR | 9.13 | Jakub Kosakowski | Ivan Schitco | 1/2-1/2 | 76 | Open |
| 2284 | 2018-12-01 | World Youth U16 Olympiad | Konya TUR | 8.9 | Anatole Vlachos | Jakub Kosakowski | 1-0 | 41 | Open |
| 2285 | 2018-11-30 | World Youth U16 Olympiad | Konya TUR | 7.12 | Jakub Kosakowski | Jose Antonio Garcia de Dios | 1-0 | 41 | Open |
| 2286 | 2018-11-30 | World Youth U16 Olympiad | Konya TUR | 6.8 | Kayra Kamer | Jakub Kosakowski | 1-0 | 81 | Open |
| 2287 | 2018-11-28 | World Youth U16 Olympiad | Konya TUR | 5.13 | Jakub Kosakowski | G M H Thilakarathne | 1-0 | 56 | Open |
| 2288 | 2018-11-27 | World Youth U16 Olympiad | Konya TUR | 4.8 | Velimir Ivic | Jakub Kosakowski | 1-0 | 41 | Open |
| 2289 | 2018-11-26 | World Youth U16 Olympiad | Konya TUR | 3.14 | Jakub Kosakowski | Samy Leffad | 1-0 | 43 | Open |
| 2290 | 2018-11-26 | World Youth U16 Olympiad | Konya TUR | 2.1 | Jakub Kosakowski | Nodirbek Abdusattorov | 0-1 | 58 | Open |
| 2291 | 2018-11-25 | World Youth U16 Olympiad | Konya TUR | 1.18 | Yashil Modi | Jakub Kosakowski | 0-1 | 31 | Open |
| 2292 | 2018-10-30 | World Youth Open U16 2018 | Porto Carras GRE | 11.12 | Dimitrios Katopodis | Jakub Kosakowski | 0-1 | 58 | Open |
| 2293 | 2018-10-29 | World Youth Open U16 2018 | Porto Carras GRE | 10.9 | Jakub Kosakowski | Artur Davtyan | 0-1 | 49 | Open |
| 2294 | 2018-10-28 | World Youth Open U16 2018 | Porto Carras GRE | 9.3 | Viktor Matviishen | Jakub Kosakowski | 1-0 | 27 | Open |
| 2295 | 2018-10-27 | World Youth Open U16 2018 | Porto Carras GRE | 8.3 | Jakub Kosakowski | Nodirbek Yakubboev | 1/2-1/2 | 36 | Open |
| 2296 | 2018-10-26 | World Youth Open U16 2018 | Porto Carras GRE | 7.6 | Ilja Semjonovs | Jakub Kosakowski | 0-1 | 58 | Open |
| 2297 | 2018-10-24 | World Youth Open U16 2018 | Porto Carras GRE | 6.6 | Jakub Kosakowski | Sankalp Gupta | 1/2-1/2 | 36 | Open |
| 2298 | 2018-10-23 | World Youth Open U16 2018 | Porto Carras GRE | 5.2 | Abdimalik Abdisalimov | Jakub Kosakowski | 1/2-1/2 | 60 | Open |
| 2299 | 2018-10-22 | World Youth Open U16 2018 | Porto Carras GRE | 4.7 | Jakub Kosakowski | Yanbin Wang | 1-0 | 31 | Open |
| 2300 | 2018-10-21 | World Youth Open U16 2018 | Porto Carras GRE | 3.13 | Kirill Chukavin | Jakub Kosakowski | 0-1 | 54 | Open |
| 2301 | 2018-10-21 | World Youth Open U16 2018 | Porto Carras GRE | 2.11 | Jakub Kosakowski | David Stevanic | 1/2-1/2 | 43 | Open |
| 2302 | 2018-10-20 | World Youth Open U16 2018 | Porto Carras GRE | 1.13 | Vatsal Singhania | Jakub Kosakowski | 0-1 | 71 | Open |
| 2303 | 2018-08-08 | 2nd Irena Warakomska Mem | Suwalki POL | 9.5 | Karthik Venkataraman | Jakub Kosakowski | 1-0 | 26 | Open |
| 2304 | 2018-08-07 | 2nd Irena Warakomska Mem | Suwalki POL | 8.4 | Jakub Kosakowski | Alexei Fedorov | 1/2-1/2 | 70 | Open |
| 2305 | 2018-08-06 | 2nd Irena Warakomska Mem | Suwalki POL | 7.4 | Sergei Ovsejevitsch | Jakub Kosakowski | 1/2-1/2 | 46 | Open |
| 2306 | 2018-08-05 | 2nd Irena Warakomska Mem | Suwalki POL | 6.8 | Jakub Kosakowski | Evgeny Shtembuliak | 1-0 | 60 | Open |
| 2307 | 2018-08-04 | 2nd Irena Warakomska Mem | Suwalki POL | 5.8 | Jakub Kosakowski | Tomasz Warakomski | 1/2-1/2 | 31 | Open |
| 2308 | 2018-08-03 | 2nd Irena Warakomska Mem | Suwalki POL | 4.3 | Aleksej Aleksandrov | Jakub Kosakowski | 1-0 | 64 | Open |
| 2309 | 2018-08-03 | 2nd Irena Warakomska Mem | Suwalki POL | 3.4 | Jakub Kosakowski | Mikhail Ulybin | 1-0 | 36 | Open |
| 2310 | 2018-08-02 | 2nd Irena Warakomska Mem | Suwalki POL | 2.8 | Vitaliy Bernadskiy | Jakub Kosakowski | 0-1 | 31 | Open |
| 2311 | 2018-08-01 | 2nd Irena Warakomska Mem | Suwalki POL | 1.37 | Jakub Kosakowski | Tomasz Jankowiak | 1-0 | 23 | Open |
| 2312 | 2018-07-16 | Najdorf Mem Open A 2018 | Warsaw POL | 9.23 | Kacper Zochowski | Jakub Kosakowski | 1/2-1/2 | 74 | Open |
| 2313 | 2018-07-15 | Najdorf Mem Open A 2018 | Warsaw POL | 8.33 | Jakub Kosakowski | Balasubramaniam H | 1-0 | 54 | Open |
| 2314 | 2018-07-14 | Najdorf Mem Open A 2018 | Warsaw POL | 7.32 | Ali Polatel | Jakub Kosakowski | 1/2-1/2 | 78 | Open |
| 2315 | 2018-07-13 | Najdorf Mem Open A 2018 | Warsaw POL | 6.15 | Jakub Kosakowski | Tomasz Markowski | 0-1 | 27 | Open |
| 2316 | 2018-07-12 | Najdorf Mem Open A 2018 | Warsaw POL | 5.11 | Oleg M Romanishin | Jakub Kosakowski | 1-0 | 83 | Open |
| 2317 | 2018-07-11 | Najdorf Mem Open A 2018 | Warsaw POL | 4.27 | Jakub Kosakowski | Katarzyna Dwilewicz | 1-0 | 25 | Open |
| 2318 | 2018-07-10 | Najdorf Mem Open A 2018 | Warsaw POL | 3.35 | Wojciech Smieszek | Jakub Kosakowski | 0-1 | 28 | Open |
| 2319 | 2018-07-09 | Najdorf Mem Open A 2018 | Warsaw POL | 2.3 | Jakub Kosakowski | Jacek Tomczak | 0-1 | 56 | Open |
| 2320 | 2018-07-03 | 2nd Baltic Cup 2018 | Darlowko POL | 9.4 | Jakub Kosakowski | Evgeny Gleizerov | 0-1 | 39 | Open |
| 2321 | 2018-07-02 | 2nd Baltic Cup 2018 | Darlowko POL | 8.4 | Mikhail Simantsev | Jakub Kosakowski | 1/2-1/2 | 42 | Open |
| 2322 | 2018-07-01 | 2nd Baltic Cup 2018 | Darlowko POL | 7.2 | Jakub Kosakowski | Vadim Shishkin | 1/2-1/2 | 33 | Open |
| 2323 | 2018-06-29 | 2nd Baltic Cup 2018 | Darlowko POL | 6.6 | Jakub Kosakowski | Bartosz Fiszer | 1-0 | 24 | Open |
| 2324 | 2018-06-28 | 2nd Baltic Cup 2018 | Darlowko POL | 5.3 | Marcin Sieciechowicz | Jakub Kosakowski | 1-0 | 46 | Open |
| 2325 | 2018-06-27 | 2nd Baltic Cup 2018 | Darlowko POL | 4.4 | Lukasz Zaleski | Jakub Kosakowski | 0-1 | 47 | Open |
| 2326 | 2018-06-26 | 2nd Baltic Cup 2018 | Darlowko POL | 3.5 | Jakub Kosakowski | Tygran Dzhuguryan | 1-0 | 31 | Open |
| 2327 | 2018-06-25 | 2nd Baltic Cup 2018 | Darlowko POL | 2.1 | Jakub Kosakowski | Jacek Tomczak | 0-1 | 35 | Open |
| 2328 | 2018-06-24 | 2nd Baltic Cup 2018 | Darlowko POL | 1.8 | Mateusz Budnik | Jakub Kosakowski | 0-1 | 61 | Open |
| 2329 | 2018-06-03 | 10th Lublin POL-UKR Jun | Lublin POL | 2.2 | Dmytro Gayun | Jakub Kosakowski | 1/2-1/2 | 31 | Open |
| 2330 | 2018-06-02 | 10th Lublin POL-UKR Jun | Lublin POL | 1.2 | Jakub Kosakowski | Dmytro Gayun | 1-0 | 43 | Open |
| 2331 | 2018-01-24 | 11th Gora Sw. Anny Open | Gora Swietej Anny POL | 10.2 | Jakub Kosakowski | Marcin Krzyzanowski | 1-0 | 29 | Open |
| 2332 | 2018-01-23 | 11th Gora Sw. Anny Open | Gora Swietej Anny POL | 9.3 | Kamil Nowak | Jakub Kosakowski | 1/2-1/2 | 40 | Open |
| 2333 | 2018-01-22 | 11th Gora Sw. Anny Open | Gora Swietej Anny POL | 8.4 | Jakub Kosakowski | Piotr Goluch | 0-1 | 59 | Open |
| 2334 | 2018-01-21 | 11th Gora Sw. Anny Open | Gora Swietej Anny POL | 7.4 | Patryk Chylewski | Jakub Kosakowski | 1/2-1/2 | 40 | Open |
| 2335 | 2018-01-20 | 11th Gora Sw. Anny Open | Gora Swietej Anny POL | 6.4 | Jakub Kosakowski | Igor Kowalski | 1/2-1/2 | 44 | Open |
| 2336 | 2018-01-19 | 11th Gora Sw. Anny Open | Gora Swietej Anny POL | 5.6 | Joanna Kaczmarska-Kedzierska | Jakub Kosakowski | 0-1 | 31 | Open |
| 2337 | 2018-01-18 | 11th Gora Sw. Anny Open | Gora Swietej Anny POL | 4.7 | Jakub Kosakowski | Michal Fiedorek | 1-0 | 66 | Open |
| 2338 | 2018-01-17 | 11th Gora Sw. Anny Open | Gora Swietej Anny POL | 3.4 | Stanislaw Praczukowski | Jakub Kosakowski | 1-0 | 33 | Open |
| 2339 | 2018-01-17 | 11th Gora Sw. Anny Open | Gora Swietej Anny POL | 2.6 | Jakub Kosakowski | Michal Walentukiewicz | 1/2-1/2 | 57 | Open |
| 2340 | 2018-01-16 | 11th Gora Sw. Anny Open | Gora Swietej Anny POL | 1.6 | Anna Karykowska | Jakub Kosakowski | 1/2-1/2 | 47 | Open |
| 2341 | 2017-12-31 | XXXVI Zamenhofa Mem | Bialystok POL | 9.9 | Filip Cukrowski | Jakub Kosakowski | 1-0 | 65 | Open |
| 2342 | 2017-12-30 | XXXVI Zamenhofa Mem | Bialystok POL | 8.12 | Jakub Kosakowski | Roland Berzinsh | 1-0 | 49 | Open |
| 2343 | 2017-12-30 | XXXVI Zamenhofa Mem | Bialystok POL | 7.2 | Radoslaw Dzierzak | Jakub Kosakowski | 0-1 | 42 | Open |
| 2344 | 2017-12-29 | XXXVI Zamenhofa Mem | Bialystok POL | 6.21 | Jakub Kosakowski | Jakub Szostko | 1/2-1/2 | 36 | Open |
| 2345 | 2017-12-29 | XXXVI Zamenhofa Mem | Bialystok POL | 5.13 | Marcin Krzyzanowski | Jakub Kosakowski | 1-0 | 24 | Open |
| 2346 | 2017-12-28 | XXXVI Zamenhofa Mem | Bialystok POL | 4.22 | Jakub Kosakowski | Aleksander Kumala | 1-0 | 20 | Open |
| 2347 | 2017-12-28 | XXXVI Zamenhofa Mem | Bialystok POL | 3.23 | Maria Malicka | Jakub Kosakowski | 1/2-1/2 | 61 | Open |
| 2348 | 2017-12-27 | XXXVI Zamenhofa Mem | Bialystok POL | 2.1 | Jakub Kosakowski | Aleksej Aleksandrov | 0-1 | 29 | Open |
| 2349 | 2017-12-27 | XXXVI Zamenhofa Mem | Bialystok POL | 1.7 | 12800040 | Jakub Kosakowski | 1/2-1/2 | 28 | Open |
| 2350 | 2017-09-14 | 27th EY BU16 2017 | Mamaia ROU | 9.1 | Daniel Nordquelle | Jakub Kosakowski | 0-1 | 50 | Open |
| 2351 | 2017-09-12 | 27th EY BU16 2017 | Mamaia ROU | 7.1 | Petros Trimitzios | Jakub Kosakowski | 1-0 | 53 | Open |
| 2352 | 2017-08-24 | European U18 Teams Open | Rymanow-Zdroj POL | 7.6 | Martin Jablonicky | Jakub Kosakowski | 1-0 | 54 | Open |
| 2353 | 2017-08-23 | European U18 Teams Open | Rymanow-Zdroj POL | 6.6 | Jakub Kosakowski | Oleksandr Yurovskykh | 1-0 | 66 | Open |
| 2354 | 2017-08-21 | European U18 Teams Open | Rymanow-Zdroj POL | 5.4 | Mikkel Manosri Jacobsen | Jakub Kosakowski | 1-0 | 29 | Open |
| 2355 | 2017-08-20 | European U18 Teams Open | Rymanow-Zdroj POL | 4.2 | Jakub Kosakowski | Adam Bohus | 1/2-1/2 | 54 | Open |
| 2356 | 2017-08-19 | European U18 Teams Open | Rymanow-Zdroj POL | 3.6 | Samir Sahidi | Jakub Kosakowski | 0-1 | 71 | Open |
| 2357 | 2017-08-18 | European U18 Teams Open | Rymanow-Zdroj POL | 2.7 | Daniel Sanz Wawer | Jakub Kosakowski | 1/2-1/2 | 46 | Open |
| 2358 | 2017-08-17 | European U18 Teams Open | Rymanow-Zdroj POL | 1.7 | Jakub Kosakowski | Zoe Varney | 1-0 | 39 | Open |
| 2359 | 2017-07-17 | Najdorf Mem Open A 2017 | Warsaw POL | 9.36 | Arystanbek Urazayev | Jakub Kosakowski | 1-0 | 26 | Open |
| 2360 | 2017-07-16 | Najdorf Mem Open A 2017 | Warsaw POL | 8.38 | Jakub Kosakowski | Konrad Bus | 1/2-1/2 | 38 | Open |
| 2361 | 2017-07-15 | Najdorf Mem Open A 2017 | Warsaw POL | 7.39 | Rahul Srivatshav P | Jakub Kosakowski | 1/2-1/2 | 44 | Open |
| 2362 | 2017-07-14 | Najdorf Mem Open A 2017 | Warsaw POL | 6.43 | Jakub Kosakowski | Alexandra Zherebtsova | 1/2-1/2 | 60 | Open |
| 2363 | 2017-07-13 | Najdorf Mem Open A 2017 | Warsaw POL | 5.16 | Aleksej Aleksandrov | Jakub Kosakowski | 1-0 | 96 | Open |
| 2364 | 2017-07-12 | Najdorf Mem Open A 2017 | Warsaw POL | 4.45 | Jakub Kosakowski | Aditya Mittal | 1-0 | 49 | Open |
| 2365 | 2017-07-11 | Najdorf Mem Open A 2017 | Warsaw POL | 3.2 | Das Debashis | Jakub Kosakowski | 1-0 | 36 | Open |
| 2366 | 2017-07-10 | Najdorf Mem Open A 2017 | Warsaw POL | 2.15 | Jakub Kosakowski | Pawel Czarnota | 1/2-1/2 | 24 | Open |
| 2367 | 2017-07-09 | Najdorf Mem Open A 2017 | Warsaw POL | 1.64 | V Pranav | Jakub Kosakowski | 0-1 | 44 | Open |
| 2368 | 2017-07-02 | Baltic Cup 2017 | Darlowo POL | 9.1 | Marcel Kanarek | Jakub Kosakowski | 1-0 | 26 | Open |
| 2369 | 2017-07-01 | Baltic Cup 2017 | Darlowo POL | 8.3 | Piotr Goluch | Jakub Kosakowski | 0-1 | 32 | Open |
| 2370 | 2017-06-30 | Baltic Cup 2017 | Darlowo POL | 7.3 | Jakub Kosakowski | Igor Kowalski | 1/2-1/2 | 23 | Open |
| 2371 | 2017-06-29 | Baltic Cup 2017 | Darlowo POL | 6.4 | Marcos Llaneza Vega | Jakub Kosakowski | 0-1 | 21 | Open |
| 2372 | 2017-06-28 | Baltic Cup 2017 | Darlowo POL | 5.2 | Jakub Kosakowski | Mikhail Simantsev | 1/2-1/2 | 53 | Open |
| 2373 | 2017-06-27 | Baltic Cup 2017 | Darlowo POL | 4.3 | Damian Lewtak | Jakub Kosakowski | 1/2-1/2 | 23 | Open |
| 2374 | 2017-06-26 | Baltic Cup 2017 | Darlowo POL | 3.7 | Jakub Kosakowski | 1100424 | 1-0 | 59 | Open |
| 2375 | 2017-06-26 | Baltic Cup 2017 | Darlowo POL | 2.11 | Artur Hrymowicz | Jakub Kosakowski | 0-1 | 43 | Open |
| 2376 | 2017-06-25 | Baltic Cup 2017 | Darlowo POL | 1.7 | Jakub Kosakowski | Piotr Renkowski | 1/2-1/2 | 37 | Open |
| 2377 | 2017-05-26 | 36th Zalakaros Open 2017 | Zalakaros HUN | 9.38 | Jakub Kosakowski | Raunak Sadhwani | 1/2-1/2 | 45 | Open |
| 2378 | 2017-05-25 | 36th Zalakaros Open 2017 | Zalakaros HUN | 8.25 | Lukasz Jarmula | Jakub Kosakowski | 1-0 | 55 | Open |
| 2379 | 2017-05-24 | 36th Zalakaros Open 2017 | Zalakaros HUN | 7.41 | Alexandru-Bogdan Banzea | Jakub Kosakowski | 0-1 | 80 | Open |
| 2380 | 2017-05-23 | 36th Zalakaros Open 2017 | Zalakaros HUN | 6.39 | Jakub Kosakowski | Kosma Pacan-Milej | 1/2-1/2 | 41 | Open |
| 2381 | 2017-05-22 | 36th Zalakaros Open 2017 | Zalakaros HUN | 5.24 | Adam Horvath | Jakub Kosakowski | 1-0 | 39 | Open |
| 2382 | 2017-05-21 | 36th Zalakaros Open 2017 | Zalakaros HUN | 4.42 | Jakub Kosakowski | Milan Chovan | 1-0 | 57 | Open |
| 2383 | 2017-05-20 | 36th Zalakaros Open 2017 | Zalakaros HUN | 3.45 | Levente Marosi | Jakub Kosakowski | 1/2-1/2 | 71 | Open |
| 2384 | 2017-05-19 | 36th Zalakaros Open 2017 | Zalakaros HUN | 2.26 | Jakub Kosakowski | Levente Vajda | 0-1 | 39 | Open |
| 2385 | 2017-05-18 | 36th Zalakaros Open 2017 | Zalakaros HUN | 1.9 | Viktor Erdos | Jakub Kosakowski | 1/2-1/2 | 54 | Open |
| 2386 | 2016-12-31 | XXXV Zamenhofa Mem | Bialystok POL | 9.1 | Jakub Kosakowski | Pawel Teclaf | 0-1 | 66 | Open |
| 2387 | 2016-12-30 | XXXV Zamenhofa Mem | Bialystok POL | 8.11 | Dariusz Klimaszewski | Jakub Kosakowski | 0-1 | 18 | Open |
| 2388 | 2016-12-30 | XXXV Zamenhofa Mem | Bialystok POL | 7.9 | Jakub Kosakowski | Grzegorz Nasuta | 0-1 | 24 | Open |
| 2389 | 2016-12-29 | XXXV Zamenhofa Mem | Bialystok POL | 6.15 | Jakub Kosakowski | Artem Norov | 1-0 | 33 | Open |
| 2390 | 2016-12-29 | XXXV Zamenhofa Mem | Bialystok POL | 5.17 | Stanislaw Praczukowski | Jakub Kosakowski | 0-1 | 44 | Open |
| 2391 | 2016-12-28 | XXXV Zamenhofa Mem | Bialystok POL | 4.9 | Jakub Kosakowski | Arkadiusz Leniart | 0-1 | 40 | Open |
| 2392 | 2016-12-28 | XXXV Zamenhofa Mem | Bialystok POL | 3.18 | Alexej Cherepov | Jakub Kosakowski | 0-1 | 67 | Open |
| 2393 | 2016-12-27 | XXXV Zamenhofa Mem | Bialystok POL | 2.6 | Jakub Kosakowski | Krzysztof Jakubowski | 0-1 | 31 | Open |
| 2394 | 2016-12-27 | XXXV Zamenhofa Mem | Bialystok POL | 1.23 | Jakub Fus | Jakub Kosakowski | 0-1 | 50 | Open |
| 2395 | 2016-07-05 | 12th Baltic Pearl Open | Lazy POL | 9.2 | Kirill Stupak | Jakub Kosakowski | 1-0 | 31 | Open |
| 2396 | 2016-07-04 | 12th Baltic Pearl Open | Lazy POL | 8.1 | Jakub Kosakowski | Rafal Buraczewski | 1-0 | 40 | Open |
| 2397 | 2016-07-02 | 12th Baltic Pearl Open | Lazy POL | 7.5 | Dominik Marczuk | Jakub Kosakowski | 0-1 | 46 | Open |
| 2398 | 2016-07-01 | 12th Baltic Pearl Open | Lazy POL | 6.7 | Jakub Kosakowski | Juergen Juhnke | 1-0 | 52 | Open |
| 2399 | 2016-06-30 | 12th Baltic Pearl Open | Lazy POL | 5.9 | Marek Chomczyk | Jakub Kosakowski | 1/2-1/2 | 28 | Open |
| 2400 | 2016-06-29 | 12th Baltic Pearl Open | Lazy POL | 4.4 | Jakub Kosakowski | Aleksander Krainski | 0-1 | 41 | Open |
| 2401 | 2016-06-28 | 12th Baltic Pearl Open | Lazy POL | 3.4 | Damian Lewtak | Jakub Kosakowski | 1/2-1/2 | 67 | Open |
| 2402 | 2016-06-27 | 12th Baltic Pearl Open | Lazy POL | 2.7 | Jakub Kosakowski | Damian Sliwicki | 1-0 | 62 | Open |
| 2403 | 2016-06-26 | 12th Baltic Pearl Open | Lazy POL | 1.24 | Iwo Godzwon | Jakub Kosakowski | 0-1 | 40 | Open |
| 2404 | 2016-02-17 | 32nd Cappelle Open 2016 | Cappelle la Grande FRA | 6.94 | Dina Belenkaya | Jakub Kosakowski | 1-0 | 39 | Open |
| 2405 | 2016-02-15 | 32nd Cappelle Open 2016 | Cappelle la Grande FRA | 3.86 | Jakub Kosakowski | Irina Bulmaga | 0-1 | 36 | Open |
| 2406 | 2016-02-14 | 32nd Cappelle Open 2016 | Cappelle la Grande FRA | 2.45 | Jakub Kosakowski | Erik Blomqvist | 0-1 | 62 | Open |
| 2407 | 2016-02-13 | 32nd Cappelle Open 2016 | Cappelle la Grande FRA | 1.63 | Kevin Terrieux | Jakub Kosakowski | 1/2-1/2 | 31 | Open |
| 2408 | 2016-02-09 | 9th Gora Sw. Anny Open | Gora Swietej Anny POL | 10.1 | Jakub Kosakowski | Maciej Czopor | 1/2-1/2 | 36 | Open |
| 2409 | 2016-02-08 | 9th Gora Sw. Anny Open | Gora Swietej Anny POL | 9.7 | Stanislaw Zylka | Jakub Kosakowski | 1-0 | 36 | Open |
| 2410 | 2016-02-07 | 9th Gora Sw. Anny Open | Gora Swietej Anny POL | 8.5 | Jakub Kosakowski | Aleksandr Kocheev | 0-1 | 55 | Open |
| 2411 | 2016-02-06 | 9th Gora Sw. Anny Open | Gora Swietej Anny POL | 7.8 | Wojciech Smieszek | Jakub Kosakowski | 0-1 | 48 | Open |
| 2412 | 2016-02-05 | 9th Gora Sw. Anny Open | Gora Swietej Anny POL | 6.4 | Jakub Kosakowski | Kirill Stupak | 0-1 | 41 | Open |
| 2413 | 2016-02-04 | 9th Gora Sw. Anny Open | Gora Swietej Anny POL | 5.3 | Radoslaw Gajek | Jakub Kosakowski | 1-0 | 23 | Open |
| 2414 | 2016-02-03 | 9th Gora Sw. Anny Open | Gora Swietej Anny POL | 4.6 | Jakub Kosakowski | Lukasz Licznerski | 1-0 | 47 | Open |
| 2415 | 2016-02-02 | 9th Gora Sw. Anny Open | Gora Swietej Anny POL | 3.9 | Jakub Kosakowski | Pawel Teclaf | 1-0 | 56 | Open |
| 2416 | 2016-02-01 | 9th Gora Sw. Anny Open | Gora Swietej Anny POL | 2.3 | Toms Kantans | Jakub Kosakowski | 1-0 | 35 | Open |
| 2417 | 2016-02-01 | 9th Gora Sw. Anny Open | Gora Swietej Anny POL | 1.14 | Zuzanna Kalinowska | Jakub Kosakowski | 0-1 | 39 | Open |
| 2418 | 2016-01-03 | 26th Cracovia Open A | Krakow POL | 8.14 | Bence Korpa | Jakub Kosakowski | 1-0 | 63 | Open |
| 2419 | 2016-01-02 | 26th Cracovia Open A | Krakow POL | 7.32 | Jakub Kosakowski | Anna Marczuk | 1-0 | 38 | Open |
| 2420 | 2016-01-02 | 26th Cracovia Open A | Krakow POL | 6.31 | Bartosz Nowicki | Jakub Kosakowski | 1/2-1/2 | 32 | Open |
| 2421 | 2015-12-31 | 26th Cracovia Open A | Krakow POL | 5.17 | Jakub Kosakowski | Arkadiusz Skawinski | 0-1 | 69 | Open |
| 2422 | 2015-12-30 | 26th Cracovia Open A | Krakow POL | 4.17 | Grzegorz Nasuta | Jakub Kosakowski | 1/2-1/2 | 24 | Open |
| 2423 | 2015-12-29 | 26th Cracovia Open A | Krakow POL | 3.11 | Jakub Kosakowski | Georg Froewis | 1/2-1/2 | 27 | Open |
| 2424 | 2015-12-28 | 26th Cracovia Open A | Krakow POL | 2.34 | Tomasz Delega | Jakub Kosakowski | 0-1 | 54 | Open |
| 2425 | 2015-11-28 | Yuri Privalov IM 2015 | Lviv UKR | 9.2 | Upadhyaya Anwesh | Jakub Kosakowski | 1/2-1/2 | 39 | Open |
| 2426 | 2015-11-27 | Yuri Privalov IM 2015 | Lviv UKR | 8.5 | Jakub Kosakowski | Vita Kryvoruchko | 1/2-1/2 | 44 | Open |
| 2427 | 2015-11-27 | Yuri Privalov IM 2015 | Lviv UKR | 7.1 | Jakub Kosakowski | Sergey Naboka | 0-1 | 42 | Open |
| 2428 | 2015-11-26 | Yuri Privalov IM 2015 | Lviv UKR | 6.5 | Ilia Pugachov | Jakub Kosakowski | 1-0 | 44 | Open |
| 2429 | 2015-11-25 | Yuri Privalov IM 2015 | Lviv UKR | 5.2 | Jakub Kosakowski | Yuriy Krykun | 1/2-1/2 | 30 | Open |
| 2430 | 2015-11-25 | Yuri Privalov IM 2015 | Lviv UKR | 4.4 | Danylo Shkuran | Jakub Kosakowski | 0-1 | 52 | Open |
| 2431 | 2015-11-24 | Yuri Privalov IM 2015 | Lviv UKR | 3.3 | Jakub Kosakowski | Oleg Terletsky | 1-0 | 44 | Open |
| 2432 | 2015-11-24 | Yuri Privalov IM 2015 | Lviv UKR | 2.3 | Vartan Kagramanianz | Jakub Kosakowski | 1/2-1/2 | 31 | Open |
| 2433 | 2015-11-23 | Yuri Privalov IM 2015 | Lviv UKR | 1.4 | Jakub Kosakowski | Rustam Bunyatov | 1-0 | 56 | Open |
| 2434 | 2015-09-30 | 25th EY BU14 2015 | Porec CRO | 9.11 | Lampros Giannoulakis | Jakub Kosakowski | 0-1 | 37 | Open |
| 2435 | 2015-09-29 | 25th EY BU14 2015 | Porec CRO | 8.9 | Jakub Kosakowski | Semyon Lomasov | 1/2-1/2 | 63 | Open |
| 2436 | 2015-09-28 | 25th EY BU14 2015 | Porec CRO | 7.16 | Daniel Nordquelle | Jakub Kosakowski | 0-1 | 36 | Open |
| 2437 | 2015-09-27 | 25th EY BU14 2015 | Porec CRO | 6.21 | Jakub Kosakowski | Joris Kokje | 1-0 | 38 | Open |
| 2438 | 2015-09-25 | 25th EY BU14 2015 | Porec CRO | 5.13 | Samuel Fieberg | Jakub Kosakowski | 1-0 | 52 | Open |
| 2439 | 2015-09-24 | 25th EY BU14 2015 | Porec CRO | 4.1 | Jakub Kosakowski | Hristos Anthopoulos | 0-1 | 28 | Open |
| 2440 | 2015-09-23 | 25th EY BU14 2015 | Porec CRO | 3.6 | Tagir Salemgareev | Jakub Kosakowski | 1/2-1/2 | 38 | Open |
| 2441 | 2015-09-22 | 25th EY BU14 2015 | Porec CRO | 2.8 | Jakub Kosakowski | Bojan Maksimovic | 1-0 | 36 | Open |
| 2442 | 2015-09-21 | 25th EY BU14 2015 | Porec CRO | 1.15 | Lovro Pridigar | Jakub Kosakowski | 0-1 | 40 | Open |
| 2443 | 2015-07-19 | TCh-EUR Youth U18 2015 | Karpacz POL | 7.11 | Gergely Kantor | Jakub Kosakowski | 1/2-1/2 | 74 | Open |
| 2444 | 2015-07-18 | TCh-EUR Youth U18 2015 | Karpacz POL | 6.23 | Nichita Morozov | Jakub Kosakowski | 0-1 | 53 | Open |
| 2445 | 2015-07-17 | TCh-EUR Youth U18 2015 | Karpacz POL | 5.23 | Jakub Kosakowski | Martin Christian Huber | 1/2-1/2 | 41 | Open |
| 2446 | 2015-07-16 | TCh-EUR Youth U18 2015 | Karpacz POL | 4.27 | Jakub Kosakowski | Jernej Skuhala | 0-1 | 22 | Open |
| 2447 | 2015-07-15 | TCh-EUR Youth U18 2015 | Karpacz POL | 3.27 | Matthew J Wadsworth | Jakub Kosakowski | 0-1 | 46 | Open |
| 2448 | 2015-07-14 | TCh-EUR Youth U18 2015 | Karpacz POL | 2.19 | Luka Licheli | Jakub Kosakowski | 1-0 | 70 | Open |
| 2449 | 2015-07-13 | TCh-EUR Youth U18 2015 | Karpacz POL | 1.23 | Jakub Kosakowski | Jakub Szotkowski | 1-0 | 44 | Open |
| 2450 | 2014-12-21 | World Youth U16 Olympiad | Gyor HUN | 10.8 | Jakub Kosakowski | Nino Khomeriki | 0-1 | 45 | Open |
| 2451 | 2014-12-19 | World Youth U16 Olympiad | Gyor HUN | 8.13 | Diana Mirza | Jakub Kosakowski | 1/2-1/2 | 41 | Open |
| 2452 | 2014-12-18 | World Youth U16 Olympiad | Gyor HUN | 6.9 | Valery Kazakouski | Jakub Kosakowski | 1-0 | 30 | Open |
| 2453 | 2014-12-16 | World Youth U16 Olympiad | Gyor HUN | 5.7 | Mihnea Costachi | Jakub Kosakowski | 1-0 | 52 | Open |
| 2454 | 2014-12-15 | World Youth U16 Olympiad | Gyor HUN | 4.12 | Jergus Pechac | Jakub Kosakowski | 0-1 | 29 | Open |
| 2455 | 2014-12-14 | World Youth U16 Olympiad | Gyor HUN | 3.3 | Jakub Kosakowski | Gergely Kantor | 0-1 | 37 | Open |
| 2456 | 2014-12-14 | World Youth U16 Olympiad | Gyor HUN | 2.11 | Vuk Djordjevic | Jakub Kosakowski | 0-1 | 41 | Open |
| 2457 | 2014-12-13 | World Youth U16 Olympiad | Gyor HUN | 1.25 | Jakub Kosakowski | Jeewon Ohn | 1-0 | 25 | Open |
| 2458 | 2014-08-23 | 19th Rewal Open A 2014 | Rewal POL | 5.2 | Jakub Kosakowski | Marcin Puczylowski | 1-0 | 37 | Open |
| 2459 | 2014-08-22 | 19th Rewal Open A 2014 | Rewal POL | 4.19 | Kamil Koziol | Jakub Kosakowski | 1/2-1/2 | 53 | Open |
| 2460 | 2014-08-20 | 19th Rewal Open A 2014 | Rewal POL | 2.18 | Damian Sliwicki | Jakub Kosakowski | 1-0 | 25 | Open |
| 2461 | 2014-08-19 | 19th Rewal Open A 2014 | Rewal POL | 1.15 | Jakub Kosakowski | Ihor Nester | 0-1 | 37 | Open |
| 2462 | 2012-12-15 | Amplico ch-EUR Rapid | Warsaw POL | 1.47 | Jakub Kosakowski | 1121499 | 0-1 | 24 | Open |
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