GMJakub Kosakowski
- FIDE ID
- 1185080
About Jakub Kosakowski
Jakub Kosakowski was born in 2002. He won Polish youth championships at under-10, under-14 and under-16 level, as well as silver medals in older age groups. His junior career also included six national rapid gold medals and two blitz titles. Show more
Jakub Kosakowski was born in 2002. He won Polish youth championships at under-10, under-14 and under-16 level, as well as silver medals in older age groups. His junior career also included six national rapid gold medals and two blitz titles. He represented Poland in European and world youth championships. In 2021 he finished second in the open section of the Rubinstein Memorial. He won silver in the Polish senior blitz championship in 2022 and became a grandmaster in 2025.
Rating history
FIDE rating history
View rating lists
Games
Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-11-11 (UTC).
Online games are identified from known tournament names, playing sites and PGN mode. Other games are listed as OTB (over-the-board).
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 651 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 6 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | 48 | Open |
| 652 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 5 | Jakub Kosakowski | Arnav Maheshwari | 1/2-1/2 | 114 | Open |
| 653 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 5 | Jakub Kosakowski | Johan-Sebastian Christiansen | 1-0 | 33 | Open |
| 654 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 4 | Anton Korobov | Jakub Kosakowski | 1-0 | 59 | Open |
| 655 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 4 | Jakub Kosakowski | Henrik Cernov | 1-0 | 57 | Open |
| 656 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 3 | Denis Lazavik | Jakub Kosakowski | 1/2-1/2 | 94 | Open |
| 657 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 3 | Mirsaleh Seyidli | Jakub Kosakowski | 0-1 | 39 | Open |
| 658 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 2 | Marat Denishev | Jakub Kosakowski | 0-1 | 29 | Open |
| 659 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 2 | Jakub Kosakowski | Tomasz Jaskolka | 1-0 | 81 | Open |
| 660 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 1 | Jakub Kosakowski | Mihael Ankerst | 1-0 | 36 | Open |
| 661 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 1 | Tomasz Gluszko | Jakub Kosakowski | 0-1 | 71 | Open |
| 662 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 11 | Jakub Kosakowski | Artem Dobrosmyslov | 1-0 | 16 | Open |
| 663 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 11 | Jakub Kosakowski | Beksultan Moldagali | 1-0 | 64 | Open |
| 664 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 10 | Aleksandra Goryachkina | Jakub Kosakowski | 1-0 | 38 | Open |
| 665 | 2025-04-15 | Titled Tue 15th Apr Early | chess.com INT | 10 | Renato Terry | Jakub Kosakowski | 1/2-1/2 | 40 | Open |
| 666 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 9 | Jakub Kosakowski | Priyansh Garg | 1-0 | 27 | Open |
| 667 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 9 | Jakub Kosakowski | Azer Mirzoev | 1/2-1/2 | 46 | Open |
| 668 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 8 | Jakub Kosakowski | Pavel Skatchkov | 1-0 | 34 | Open |
| 669 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 7 | Angele Tenshi Biete | Jakub Kosakowski | 0-1 | 48 | Open |
| 670 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 7 | Jakub Kosakowski | Konstantin Sek | 0-1 | 41 | Open |
| 671 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 6 | Enrique Fernando Asensio Ramos | Jakub Kosakowski | 0-1 | 47 | Open |
| 672 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 6 | Jakub Kosakowski | Alexei Belov | 1/2-1/2 | 28 | Open |
| 673 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 5 | Ilyass Msellek | Jakub Kosakowski | 1-0 | 53 | Open |
| 674 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 5 | Semetei Tologon tegin | Jakub Kosakowski | 1-0 | 62 | Open |
| 675 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 4 | Le Thao Nguyen Pham | Jakub Kosakowski | 0-1 | 48 | Open |
| 676 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 4 | Jakub Kosakowski | Shant Sargsyan | 0-1 | 29 | Open |
| 677 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 3 | Jakub Kosakowski | Bharadia Yash | 1-0 | 41 | Open |
| 678 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 3 | Jakub Kosakowski | Stanislav Bukreev | 0-1 | 36 | Open |
| 679 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 2 | Marek Karas | Jakub Kosakowski | 0-1 | 53 | Open |
| 680 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 2 | Jakub Kosakowski | Tran Vo Quoc Bao | 1-0 | 23 | Open |
| 681 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 1 | Jan Boder | Jakub Kosakowski | 0-1 | 74 | Open |
| 682 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 1 | Jakub Kosakowski | Timur Kocharin | 1-0 | 36 | Open |
| 683 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 11 | Jakub Kosakowski | Nikita Shandrygin | 1-0 | 50 | Open |
| 684 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 11 | Jakub Kosakowski | Leonardo Tristan | 0-1 | 37 | Open |
| 685 | 2025-04-08 | Titled Tue 8th Apr Late | chess.com INT | 10 | Nikolozi Kacharava | Jakub Kosakowski | 1/2-1/2 | 46 | Open |
| 686 | 2025-04-08 | Titled Tue 8th Apr Early | chess.com INT | 10 | Jakob Pfreundt | Jakub Kosakowski | 0-1 | 33 | Open |
| 687 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 9 | Abtin Atakhan | Jakub Kosakowski | 0-1 | 34 | Open |
| 688 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 9 | Jakub Kosakowski | Olexandr Bortnyk | 0-1 | 46 | Open |
| 689 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 8 | Andrew Tang | Jakub Kosakowski | 0-1 | 40 | Open |
| 690 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 8 | Jakub Kosakowski | Anastasia Bodnaruk | 1-0 | 65 | Open |
| 691 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 7 | Ruben Domingo Nunez | Jakub Kosakowski | 1/2-1/2 | 100 | Open |
| 692 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 7 | Jakub Kosakowski | Matthias Bluebaum | 1-0 | 43 | Open |
| 693 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 6 | Narayanan S L | Jakub Kosakowski | 0-1 | 76 | Open |
| 694 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 6 | Jakub Kosakowski | Parham Maghsoodloo | 0-1 | 42 | Open |
| 695 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 5 | Shubh Jayesh Laddha | Jakub Kosakowski | 0-1 | 35 | Open |
| 696 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 5 | Jakub Kosakowski | Emil Risteski | 1-0 | 63 | Open |
| 697 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 4 | Jakub Kosakowski | Felix Guo | 1-0 | 61 | Open |
| 698 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 4 | Jakub Kosakowski | Mads Vestby-Ellingsen | 1-0 | 40 | Open |
| 699 | 2025-04-01 | Titled Tue 1st Apr Late | chess.com INT | 3 | Samuel Sevian | Jakub Kosakowski | 1-0 | 28 | Open |
| 700 | 2025-04-01 | Titled Tue 1st Apr Early | chess.com INT | 3 | Jakub Kosakowski | Nikhil Dixit | 1-0 | 27 | Open |
- vs Jan-Krzysztof DudaLost · 1-0Titled Tue 15th Apr Late
- vs Arnav MaheshwariDraw · ½–½Titled Tue 15th Apr Early
- vs Johan-Sebastian ChristiansenWon · 1-0Titled Tue 15th Apr Late
- vs Anton KorobovLost · 1-0Titled Tue 15th Apr Early
- vs Henrik CernovWon · 1-0Titled Tue 15th Apr Late
- vs Denis LazavikDraw · ½–½Titled Tue 15th Apr Late
- vs Mirsaleh SeyidliWon · 0-1Titled Tue 15th Apr Early
- vs Marat DenishevWon · 0-1Titled Tue 15th Apr Late
- vs Tomasz JaskolkaWon · 1-0Titled Tue 15th Apr Early
- vs Mihael AnkerstWon · 1-0Titled Tue 15th Apr Late
- vs Tomasz GluszkoWon · 0-1Titled Tue 15th Apr Early
- vs Artem DobrosmyslovWon · 1-0Titled Tue 15th Apr Late
- vs Beksultan MoldagaliWon · 1-0Titled Tue 15th Apr Early
- vs Aleksandra GoryachkinaLost · 1-0Titled Tue 15th Apr Late
- vs Renato TerryDraw · ½–½Titled Tue 15th Apr Early
- vs Priyansh GargWon · 1-0Titled Tue 8th Apr Late
- vs Azer MirzoevDraw · ½–½Titled Tue 8th Apr Early
- vs Pavel SkatchkovWon · 1-0Titled Tue 8th Apr Early
- vs Angele Tenshi BieteWon · 0-1Titled Tue 8th Apr Early
- vs Konstantin SekLost · 0-1Titled Tue 8th Apr Late
- vs Enrique Fernando Asensio RamosWon · 0-1Titled Tue 8th Apr Late
- vs Alexei BelovDraw · ½–½Titled Tue 8th Apr Early
- vs Ilyass MsellekLost · 1-0Titled Tue 8th Apr Late
- vs Semetei Tologon teginLost · 1-0Titled Tue 8th Apr Early
- vs Le Thao Nguyen PhamWon · 0-1Titled Tue 8th Apr Early
- vs Shant SargsyanLost · 0-1Titled Tue 8th Apr Late
- vs Bharadia YashWon · 1-0Titled Tue 8th Apr Late
- vs Stanislav BukreevLost · 0-1Titled Tue 8th Apr Early
- vs Marek KarasWon · 0-1Titled Tue 8th Apr Late
- vs Tran Vo Quoc BaoWon · 1-0Titled Tue 8th Apr Early
- vs Jan BoderWon · 0-1Titled Tue 8th Apr Early
- vs Timur KocharinWon · 1-0Titled Tue 8th Apr Late
- vs Nikita ShandryginWon · 1-0Titled Tue 8th Apr Early
- vs Leonardo TristanLost · 0-1Titled Tue 8th Apr Late
- vs Nikolozi KacharavaDraw · ½–½Titled Tue 8th Apr Late
- vs Jakob PfreundtWon · 0-1Titled Tue 8th Apr Early
- vs Abtin AtakhanWon · 0-1Titled Tue 1st Apr Early
- vs Olexandr BortnykLost · 0-1Titled Tue 1st Apr Late
- vs Andrew TangWon · 0-1Titled Tue 1st Apr Late
- vs Anastasia BodnarukWon · 1-0Titled Tue 1st Apr Early
- vs Ruben Domingo NunezDraw · ½–½Titled Tue 1st Apr Early
- vs Matthias BluebaumWon · 1-0Titled Tue 1st Apr Late
- vs Narayanan S LWon · 0-1Titled Tue 1st Apr Late
- vs Parham MaghsoodlooLost · 0-1Titled Tue 1st Apr Early
- vs Shubh Jayesh LaddhaWon · 0-1Titled Tue 1st Apr Early
- vs Emil RisteskiWon · 1-0Titled Tue 1st Apr Late
- vs Felix GuoWon · 1-0Titled Tue 1st Apr Late
- vs Mads Vestby-EllingsenWon · 1-0Titled Tue 1st Apr Early
- vs Samuel SevianLost · 1-0Titled Tue 1st Apr Late
- vs Nikhil DixitWon · 1-0Titled Tue 1st Apr Early
FIDE tournaments
| Date | Tournament | Type | Score |
|---|---|---|---|
| 2026-10-17 | ArtefactumGames Bitwa o Biala, Grupa A (OPEN ) #3 | Blitz | 15 |
| 2026-10-08 | Icelandic Team Chess Championship 26-27 - Premier League Round 1-5 | Classical | 3½ |
| 2026-10-02 | Mistrzostwa Polski w Szachach Szybkich 2026 | Rapid | 6 |
| 2026-08-21 | XXVII Open Internacional de Sants - Ciutat de Barcelona 2026 - Grup A | Classical | 7½ |