Thomas Michalczak
Country
GER
Birth Year
1973
Gender
M
Title
FIDE Master
FIDE ID
4622634
FIDE Rating
2213
FIDE Rating Graph
Games
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-10-18 | 42nd Muensterland Open | Muenster GER | 9.5 | Thomas Michalczak | Jan-Louis Wichtrup | 1-0 | 54 | Open |
| 2 | 2025-10-17 | 42nd Muensterland Open | Muenster GER | 8.1 | Deniz Bade | Thomas Michalczak | 0-1 | 25 | Open |
| 3 | 2025-10-16 | 42nd Muensterland Open | Muenster GER | 7.6 | Thomas Michalczak | Sebastian Riechenberg | 1/2-1/2 | 37 | Open |
| 4 | 2025-10-15 | 42nd Muensterland Open | Muenster GER | 6.7 | Markus Hendler | Thomas Michalczak | 1/2-1/2 | 50 | Open |
| 5 | 2025-10-14 | 42nd Muensterland Open | Muenster GER | 5.11 | Thomas Michalczak | Dirk Jansen | 1-0 | 35 | Open |
| 6 | 2025-10-13 | 42nd Muensterland Open | Muenster GER | 4.11 | Sviatoslav Sunko | Thomas Michalczak | 1/2-1/2 | 32 | Open |
| 7 | 2025-10-12 | 42nd Muensterland Open | Muenster GER | 3.16 | Thomas Michalczak | Ulrich Woestmann | 1-0 | 27 | Open |
| 8 | 2025-10-12 | 42nd Muensterland Open | Muenster GER | 2.16 | Felix Georg | Thomas Michalczak | 1/2-1/2 | 34 | Open |
| 9 | 2025-10-11 | 42nd Muensterland Open | Muenster GER | 1.8 | Thomas Michalczak | Martin Merz | 1/2-1/2 | 81 | Open |
| 10 | 2025-08-09 | 52nd Sparkassen Open A | Dortmund GER | 8.16 | Christian Gloeckler | Thomas Michalczak | 1-0 | 72 | Open |
| 11 | 2025-08-05 | 52nd Sparkassen Open A | Dortmund GER | 4.17 | Thomas Michalczak | Yan Liu | 0-1 | 19 | Open |
| 12 | 2025-08-03 | 52nd Sparkassen Open A | Dortmund GER | 2.1 | Jan Klimkowski | Thomas Michalczak | 1-0 | 38 | Open |
| 13 | 2025-03-23 | 2nd Bundesliga Nord 24-25 | Germany GER | 11.7 | Thomas Michalczak | Michael Strache | 1/2-1/2 | 19 | Open |
| 14 | 2025-03-22 | 2nd Bundesliga Nord 24-25 | Germany GER | 10.7 | Rainer Polzin | Thomas Michalczak | 0-1 | 47 | Open |
| 15 | 2025-02-23 | 2nd Bundesliga Nord 24-25 | Germany GER | 9.7 | Volodymyr Vetoshko | Thomas Michalczak | 1-0 | 51 | Open |
| 16 | 2025-02-22 | 2nd Bundesliga Nord 24-25 | Germany GER | 8.7 | Thomas Michalczak | Sven Joachim | 1/2-1/2 | 30 | Open |
| 17 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 9 | Thomas Michalczak | Camilo Corredor Castellanos | 1-0 | 19 | Open |
| 18 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 8 | Yasin Emrah Yagiz | Thomas Michalczak | 1-0 | 28 | Open |
| 19 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 7 | Thomas Michalczak | Pedro Lucas Bastos Seixas | 1-0 | 17 | Open |
| 20 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 6 | Thomas Michalczak | Matthew Bailey | 1-0 | 71 | Open |
| 21 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 5 | Angie Garcia | Thomas Michalczak | 1-0 | 33 | Open |
| 22 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 4 | Jeffrey Quirke | Thomas Michalczak | 1-0 | 27 | Open |
| 23 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 3 | Thomas Michalczak | Jose Ricardo Garcia Correa | 0-1 | 56 | Open |
| 24 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 2 | Sim Maerevoet | Thomas Michalczak | 1-0 | 26 | Open |
| 25 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 1 | Thomas Michalczak | Andrey Gorovets | 1/2-1/2 | 32 | Open |
| 26 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 11 | David Blanco Diez | Thomas Michalczak | 1-0 | 48 | Open |
| 27 | 2024-11-19 | Titled Tue 19th Nov Late | chess.com INT | 10 | Luis Migu Floresvillar Gonzalez | Thomas Michalczak | 0-1 | 55 | Open |
| 28 | 2024-10-19 | 41st Muensterland Open | Muenster GER | 9.6 | Thomas Michalczak | Jakob Weidemann | 1-0 | 63 | Open |
| 29 | 2024-10-18 | 41st Muensterland Open | Muenster GER | 8.13 | Saba Kvantaliani | Thomas Michalczak | 0-1 | 79 | Open |
| 30 | 2024-10-17 | 41st Muensterland Open | Muenster GER | 7.5 | Thomas Michalczak | Maximilian Menzel | 0-1 | 40 | Open |
| 31 | 2024-10-16 | 41st Muensterland Open | Muenster GER | 6.9 | Daniel Schalow | Thomas Michalczak | 0-1 | 35 | Open |
| 32 | 2024-10-15 | 41st Muensterland Open | Muenster GER | 5.4 | Thomas Michalczak | Klaus Schmitzer | 0-1 | 43 | Open |
| 33 | 2024-10-14 | 41st Muensterland Open | Muenster GER | 4.8 | Giovanni Paolo Sepe | Thomas Michalczak | 0-1 | 49 | Open |
| 34 | 2024-10-13 | 41st Muensterland Open | Muenster GER | 3.5 | Thomas Michalczak | Yannick Hidding | 1/2-1/2 | 27 | Open |
| 35 | 2024-10-13 | 41st Muensterland Open | Muenster GER | 2.8 | Ingmar Bennemann | Thomas Michalczak | 0-1 | 25 | Open |
| 36 | 2024-10-12 | 41st Muensterland Open | Muenster GER | 1.1 | Thomas Michalczak | Lutz Weisskopf | 1-0 | 54 | Open |
| 37 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 9 | Thomas Michalczak | Gustavo Horokoski De Souza | 1-0 | 20 | Open |
| 38 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 8 | Thomas Michalczak | P Michelle Catherina | 1/2-1/2 | 49 | Open |
| 39 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 7 | Sergiy Zavgorodniy | Thomas Michalczak | 1-0 | 44 | Open |
| 40 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 6 | Thomas Michalczak | Sean Senft | 1-0 | 43 | Open |
| 41 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 5 | Tomasz Jaskolka | Thomas Michalczak | 1-0 | 42 | Open |
| 42 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 4 | Oriol Serra Canals | Thomas Michalczak | 0-1 | 17 | Open |
| 43 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 3 | Thomas Michalczak | Kelsey Liu | 1-0 | 52 | Open |
| 44 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 2 | Lisa Sickmann | Thomas Michalczak | 1-0 | 53 | Open |
| 45 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 1 | Thomas Michalczak | Dhulipalla Bala Chandra Prasad | 0-1 | 35 | Open |
| 46 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 11 | Kalyani Sirin | Thomas Michalczak | 1-0 | 57 | Open |
| 47 | 2024-07-16 | Titled Tue 16th Jul Early | chess.com INT | 10 | Igor Yagupov | Thomas Michalczak | 1/2-1/2 | 112 | Open |
| 48 | 2024-07-09 | Titled Tue 9th Jul Late | chess.com INT | 9 | Thomas Michalczak | Alexander Spichkin | 0-1 | 23 | Open |
| 49 | 2024-07-09 | Titled Tue 9th Jul Late | chess.com INT | 8 | Aman Hambleton | Thomas Michalczak | 1-0 | 22 | Open |
| 50 | 2024-07-09 | Titled Tue 9th Jul Late | chess.com INT | 7 | Avery Yu | Thomas Michalczak | 0-1 | 33 | Open |
| 51 | 2024-07-09 | Titled Tue 9th Jul Late | chess.com INT | 6 | Thomas Michalczak | Zoey Tang | 1-0 | 40 | Open |
| 52 | 2024-07-09 | Titled Tue 9th Jul Late | chess.com INT | 5 | Ethan Guo | Thomas Michalczak | 1-0 | 39 | Open |
| 53 | 2024-07-09 | Titled Tue 9th Jul Late | chess.com INT | 4 | Thomas Michalczak | Alexandr Truskavetsky | 0-1 | 19 | Open |
| 54 | 2024-07-09 | Titled Tue 9th Jul Late | chess.com INT | 3 | Byambaa Uyanga | Thomas Michalczak | 0-1 | 43 | Open |
| 55 | 2024-07-09 | Titled Tue 9th Jul Late | chess.com INT | 2 | Thomas Michalczak | Talaibek Osmonbekov | 1-0 | 39 | Open |
| 56 | 2024-07-09 | Titled Tue 9th Jul Late | chess.com INT | 1 | Daniel Naroditsky | Thomas Michalczak | 1-0 | 15 | Open |
| 57 | 2024-07-09 | Titled Tue 9th Jul Late | chess.com INT | 11 | Jude Shearsby | Thomas Michalczak | 1-0 | 29 | Open |
| 58 | 2024-07-09 | Titled Tue 9th Jul Late | chess.com INT | 10 | Thomas Michalczak | Juan Carlos Mesa Cruz | 1-0 | 25 | Open |
| 59 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 9 | Michael Aigner | Thomas Michalczak | 0-1 | 72 | Open |
| 60 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 8 | Thomas Michalczak | Asa Hoffmann | 1-0 | 91 | Open |
| 61 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 7 | Thomas Michalczak | Andres Ferriz Barrios | 0-1 | 62 | Open |
| 62 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 6 | Krzysztof Jakubowski | Thomas Michalczak | 1-0 | 23 | Open |
| 63 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 5 | Heinz Georg | Thomas Michalczak | 0-1 | 33 | Open |
| 64 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 4 | Thomas Michalczak | Mauricio Ramirez Gonzalez | 0-1 | 21 | Open |
| 65 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 3 | Luca Jr Moroni | Thomas Michalczak | 0-1 | 45 | Open |
| 66 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 2 | David Paravyan | Thomas Michalczak | 1-0 | 23 | Open |
| 67 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 1 | Thomas Michalczak | Artin Ashraf | 1/2-1/2 | 42 | Open |
| 68 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 11 | Marcelo Playa | Thomas Michalczak | 0-1 | 22 | Open |
| 69 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 10 | Thomas Michalczak | Roshan Sethuraman | 0-1 | 43 | Open |
| 70 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 9 | Aleksandra Maltsevskaya | Thomas Michalczak | 1-0 | 32 | Open |
| 71 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 8 | Thomas Michalczak | Lenin Guerra Tulcan | 1/2-1/2 | 75 | Open |
| 72 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 7 | Aydin Turgut | Thomas Michalczak | 1-0 | 34 | Open |
| 73 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 6 | Thomas Michalczak | Bryan Enming Lin | 1-0 | 60 | Open |
| 74 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 5 | Neeraj Harish | Thomas Michalczak | 0-1 | 61 | Open |
| 75 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 4 | Thomas Michalczak | Kelsey Liu | 1/2-1/2 | 48 | Open |
| 76 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 3 | Thomas Michalczak | Dmitry Mischuk | 0-1 | 42 | Open |
| 77 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 2 | Esper Van Baar | Thomas Michalczak | 0-1 | 34 | Open |
| 78 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 1 | Thomas Michalczak | Giorgi Margvelashvili | 0-1 | 31 | Open |
| 79 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 11 | Neelash Saha | Thomas Michalczak | 1-0 | 21 | Open |
| 80 | 2024-05-14 | Titled Tue 14th May Late | chess.com INT | 10 | Thomas Michalczak | Andrew Jing | 1-0 | 38 | Open |
| 81 | 2024-03-17 | 2nd Bundesliga West 23-24 | Germany GER | 10.8 | Rudolf Meessen | Thomas Michalczak | 1-0 | 63 | Open |
| 82 | 2023-12-17 | DSAM Qualifier Dusseldorf | Dusseldorf GER | 3.2 | Daniel Lichtmannecker | Thomas Michalczak | 1/2-1/2 | 23 | Open |
| 83 | 2023-10-22 | 2nd Bundesliga West 23-24 | Germany GER | 2.7 | Anastasiya Rakhmangulova | Thomas Michalczak | 1-0 | 36 | Open |
| 84 | 2023-10-21 | 2nd Bundesliga West 23-24 | Germany GER | 1.7 | Thomas Michalczak | Dario Doncevic | 1/2-1/2 | 28 | Open |
| 85 | 2023-09-19 | Titled Tue 19th Sep Late | chess.com INT | 6 | Thomas Michalczak | Evgeny V. Melikhov | 0-1 | 0 | Open |
| 86 | 2023-09-19 | Titled Tue 19th Sep Late | chess.com INT | 5 | Ramil Hasangatin | Thomas Michalczak | 1-0 | 33 | Open |
| 87 | 2023-09-19 | Titled Tue 19th Sep Late | chess.com INT | 4 | Roman Komov | Thomas Michalczak | 1-0 | 22 | Open |
| 88 | 2023-09-19 | Titled Tue 19th Sep Late | chess.com INT | 3 | Thomas Michalczak | Francesco Sorcinelli | 1-0 | 30 | Open |
| 89 | 2023-09-19 | Titled Tue 19th Sep Late | chess.com INT | 2 | Thomas Michalczak | Maria Jose Campos | 1-0 | 24 | Open |
| 90 | 2023-09-19 | Titled Tue 19th Sep Late | chess.com INT | 1 | Marharyta Novikova | Thomas Michalczak | 1-0 | 66 | Open |
| 91 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 9 | Thomas Michalczak | Derek Wu | 0-1 | 67 | Open |
| 92 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 8 | Farzad Bolourchifard | Thomas Michalczak | 1/2-1/2 | 50 | Open |
| 93 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 7 | Thomas Michalczak | Atanas Dimitrov | 1/2-1/2 | 82 | Open |
| 94 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 6 | Jan Kokoszczynski | Thomas Michalczak | 0-1 | 45 | Open |
| 95 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 5 | Faiber Lotero | Thomas Michalczak | 0-1 | 28 | Open |
| 96 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 4 | Thomas Michalczak | Oleksandr Shymanskyi | 1-0 | 29 | Open |
| 97 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 3 | Ian Nepomniachtchi | Thomas Michalczak | 1-0 | 16 | Open |
| 98 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 2 | Thomas Michalczak | Alexander J Wang | 1-0 | 13 | Open |
| 99 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 1 | Vladimir Fedoseev | Thomas Michalczak | 1-0 | 22 | Open |
| 100 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 11 | David Blanco Diez | Thomas Michalczak | 0-1 | 38 | Open |
| 101 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 10 | Thomas Michalczak | Ameet K Ghasi | 0-1 | 35 | Open |
| 102 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 9 | Thomas Michalczak | Leonardo Duarte | 0-1 | 31 | Open |
| 103 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 8 | Kirk Ghazarian | Thomas Michalczak | 1-0 | 41 | Open |
| 104 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 7 | Thomas Michalczak | Gerson Principe | 1/2-1/2 | 53 | Open |
| 105 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 6 | Thomas Michalczak | Dimitry Korol | 1-0 | 17 | Open |
| 106 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 5 | Rushan Bogaudinov | Thomas Michalczak | 1/2-1/2 | 47 | Open |
| 107 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 4 | Thomas Michalczak | Evgeny V. Melikhov | 1-0 | 11 | Open |
| 108 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 3 | Aleksandar Indjic | Thomas Michalczak | 1-0 | 63 | Open |
| 109 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 2 | Eduardo Gerbelli Neto | Thomas Michalczak | 0-1 | 49 | Open |
| 110 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 1 | Thomas Michalczak | Arthur Olinto De Souza | 0-1 | 97 | Open |
| 111 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 11 | Eduardo Barbosa Mesquita | Thomas Michalczak | 0-1 | 21 | Open |
| 112 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 10 | Thomas Michalczak | Galina Novikova | 0-1 | 41 | Open |
| 113 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 9 | Araz Basim Mohammed S Al-Saffar | Thomas Michalczak | 0-1 | 40 | Open |
| 114 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 8 | Thomas Michalczak | Galina Novikova | 1-0 | 19 | Open |
| 115 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 7 | Vahe Baghdasaryan | Thomas Michalczak | 0-1 | 46 | Open |
| 116 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 6 | Harmen Jonkman | Thomas Michalczak | 1-0 | 104 | Open |
| 117 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 5 | Thomas Michalczak | Kevin Davidson | 1-0 | 33 | Open |
| 118 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 4 | Yotam Shohat | Thomas Michalczak | 1-0 | 44 | Open |
| 119 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 3 | Thomas Michalczak | Ekaterina Fomkina | 1/2-1/2 | 57 | Open |
| 120 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 2 | Alireza Firouzja | Thomas Michalczak | 1-0 | 34 | Open |
| 121 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 1 | Thomas Michalczak | Olexandr Bortnyk | 1/2-1/2 | 31 | Open |
| 122 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 11 | Andre Bold | Thomas Michalczak | 0-1 | 24 | Open |
| 123 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 10 | Thomas Michalczak | Ameet K Ghasi | 0-1 | 69 | Open |
| 124 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 9 | Thomas Michalczak | Nikolai Vlassov | 1-0 | 67 | Open |
| 125 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 8 | Thomas Michalczak | Zachary Tanenbaum | 1-0 | 37 | Open |
| 126 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 7 | Neven Hercegovac | Thomas Michalczak | 0-1 | 32 | Open |
| 127 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 6 | Thomas Michalczak | Yichen Han | 1/2-1/2 | 64 | Open |
| 128 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 5 | Jaime Vaglio Munoz | Thomas Michalczak | 0-1 | 71 | Open |
| 129 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 4 | Thomas Michalczak | Alex Bullen | 0-1 | 28 | Open |
| 130 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 3 | Thomas Michalczak | Dmitriy Kushko | 0-1 | 43 | Open |
| 131 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 2 | Donat Daroczi | Thomas Michalczak | 0-1 | 29 | Open |
| 132 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 1 | Thomas Michalczak | Vladislav Kovalev | 0-1 | 26 | Open |
| 133 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 11 | Thomas Michalczak | Iung Alicio de O. Pinheiro | 1-0 | 63 | Open |
| 134 | 2023-08-22 | Titled Tue 22nd Aug Late | chess.com INT | 10 | Kirill Klukin | Thomas Michalczak | 1-0 | 30 | Open |
| 135 | 2023-08-15 | Titled Tue 15th Aug Late | chess.com INT | 9 | Thomas Michalczak | Joaquin Fiorito | 1-0 | 13 | Open |
| 136 | 2023-08-15 | Titled Tue 15th Aug Late | chess.com INT | 8 | Thomas Michalczak | Vasiliy Korchmar | 0-1 | 15 | Open |
| 137 | 2023-08-15 | Titled Tue 15th Aug Late | chess.com INT | 7 | Shaaketh Sivakumar | Thomas Michalczak | 0-1 | 13 | Open |
| 138 | 2023-08-15 | Titled Tue 15th Aug Late | chess.com INT | 6 | Maili-Jade Ouellet | Thomas Michalczak | 0-1 | 57 | Open |
| 139 | 2023-08-15 | Titled Tue 15th Aug Late | chess.com INT | 5 | Thomas Michalczak | Mircea-Emilian Parligras | 0-1 | 48 | Open |
| 140 | 2023-08-15 | Titled Tue 15th Aug Late | chess.com INT | 4 | Leancy B. Fernandez Bustamante | Thomas Michalczak | 0-1 | 47 | Open |
| 141 | 2023-08-15 | Titled Tue 15th Aug Late | chess.com INT | 3 | Thomas Michalczak | Daniel Shapiro | 1-0 | 33 | Open |
| 142 | 2023-08-15 | Titled Tue 15th Aug Late | chess.com INT | 2 | Cyprian Mulawa | Thomas Michalczak | 1-0 | 35 | Open |
| 143 | 2023-08-15 | Titled Tue 15th Aug Late | chess.com INT | 1 | Thomas Michalczak | Alexander Grischuk | 0-1 | 34 | Open |
| 144 | 2023-08-15 | Titled Tue 15th Aug Late | chess.com INT | 11 | Thomas Michalczak | Aleksandar Topalov | 0-1 | 43 | Open |
| 145 | 2023-08-15 | Titled Tue 15th Aug Late | chess.com INT | 10 | Kayden Troff | Thomas Michalczak | 1-0 | 59 | Open |
| 146 | 2023-08-08 | Titled Tue 8th Aug Late | chess.com INT | 7 | Thomas Michalczak | Daniel Shapiro | 1-0 | 32 | Open |
| 147 | 2023-08-08 | Titled Tue 8th Aug Late | chess.com INT | 6 | Andres Carrasco Miranda | Thomas Michalczak | 1/2-1/2 | 40 | Open |
| 148 | 2023-08-08 | Titled Tue 8th Aug Late | chess.com INT | 5 | Ioan Rees | Thomas Michalczak | 1-0 | 60 | Open |
| 149 | 2023-08-08 | Titled Tue 8th Aug Late | chess.com INT | 4 | Thomas Michalczak | Richard Polaczek | 1/2-1/2 | 29 | Open |
| 150 | 2023-08-08 | Titled Tue 8th Aug Late | chess.com INT | 3 | Semen Khanin | Thomas Michalczak | 1-0 | 43 | Open |
| 151 | 2023-08-08 | Titled Tue 8th Aug Late | chess.com INT | 2 | Thomas Michalczak | Bryan Weisz | 1-0 | 20 | Open |
| 152 | 2023-08-08 | Titled Tue 8th Aug Late | chess.com INT | 1 | Ngoc Truong Son Nguyen | Thomas Michalczak | 1-0 | 47 | Open |
| 153 | 2023-08-01 | Titled Tue 1st Aug Late | chess.com INT | 9 | Thomas Michalczak | Doruk Karaoglan | 0-1 | 69 | Open |
| 154 | 2023-08-01 | Titled Tue 1st Aug Late | chess.com INT | 8 | Dmitry Goltsev | Thomas Michalczak | 0-1 | 24 | Open |
| 155 | 2023-08-01 | Titled Tue 1st Aug Late | chess.com INT | 7 | Thomas Michalczak | Ali Rastbod | 0-1 | 61 | Open |
| 156 | 2023-08-01 | Titled Tue 1st Aug Late | chess.com INT | 6 | Josue Araujo Sanchez | Thomas Michalczak | 0-1 | 77 | Open |
| 157 | 2023-08-01 | Titled Tue 1st Aug Late | chess.com INT | 5 | Thomas Michalczak | Gabriel Garmendia Vega | 1-0 | 41 | Open |
| 158 | 2023-08-01 | Titled Tue 1st Aug Late | chess.com INT | 4 | Carter Peatman | Thomas Michalczak | 0-1 | 42 | Open |
| 159 | 2023-08-01 | Titled Tue 1st Aug Late | chess.com INT | 3 | Eric Hansen | Thomas Michalczak | 1-0 | 41 | Open |
| 160 | 2023-08-01 | Titled Tue 1st Aug Late | chess.com INT | 2 | Thomas Michalczak | Asa Hoffmann | 1-0 | 35 | Open |
| 161 | 2023-08-01 | Titled Tue 1st Aug Late | chess.com INT | 1 | Alireza Firouzja | Thomas Michalczak | 1-0 | 15 | Open |
| 162 | 2023-08-01 | Titled Tue 1st Aug Late | chess.com INT | 11 | Thomas Michalczak | Ilja Haitin | 0-1 | 74 | Open |
| 163 | 2023-08-01 | Titled Tue 1st Aug Late | chess.com INT | 10 | Ilan Schnaider | Thomas Michalczak | 1-0 | 61 | Open |
| 164 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 9 | Thomas Michalczak | Zsolt Korpics | 1/2-1/2 | 85 | Open |
| 165 | 2023-07-25 | Titled Tue 25th Jul Early | chess.com INT | 9 | Thomas Michalczak | Roman Gavrilin | 1-0 | 61 | Open |
| 166 | 2023-07-25 | Titled Tue 25th Jul Early | chess.com INT | 8 | Thomas Michalczak | Gulcan Sena Kayis | 0-1 | 34 | Open |
| 167 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 8 | Thomas Michalczak | Milosz Rudnicki | 1-0 | 54 | Open |
| 168 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 7 | Campo Elias Guzman Lozano | Thomas Michalczak | 1-0 | 53 | Open |
| 169 | 2023-07-25 | Titled Tue 25th Jul Early | chess.com INT | 7 | Hugo Wernberg | Thomas Michalczak | 0-1 | 30 | Open |
| 170 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 6 | Thomas Michalczak | Igor Bjelobrk | 0-1 | 31 | Open |
| 171 | 2023-07-25 | Titled Tue 25th Jul Early | chess.com INT | 6 | Grzegorz Nasuta | Thomas Michalczak | 1-0 | 51 | Open |
| 172 | 2023-07-25 | Titled Tue 25th Jul Early | chess.com INT | 5 | Thomas Michalczak | Edmund C Player | 1-0 | 43 | Open |
| 173 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 5 | Tanitoluwa Adewumi | Thomas Michalczak | 1-0 | 55 | Open |
| 174 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 4 | Dejan N Djordjevic | Thomas Michalczak | 0-1 | 63 | Open |
| 175 | 2023-07-25 | Titled Tue 25th Jul Early | chess.com INT | 4 | Alexandra Kosteniuk | Thomas Michalczak | 1-0 | 28 | Open |
| 176 | 2023-07-25 | Titled Tue 25th Jul Early | chess.com INT | 3 | Thomas Michalczak | Liam Putnam | 1/2-1/2 | 26 | Open |
| 177 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 3 | Thomas Michalczak | Andrei Skvortsov | 1-0 | 37 | Open |
| 178 | 2023-07-25 | Titled Tue 25th Jul Early | chess.com INT | 2 | Alexander Khripachenko | Thomas Michalczak | 1-0 | 32 | Open |
| 179 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 2 | Thomas Michalczak | Heinz Georg | 1-0 | 24 | Open |
| 180 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 1 | Aleksandar Indjic | Thomas Michalczak | 1-0 | 33 | Open |
| 181 | 2023-07-25 | Titled Tue 25th Jul Early | chess.com INT | 1 | Thomas Michalczak | Klementy Sychev | 1-0 | 1 | Open |
| 182 | 2023-07-25 | Titled Tue 25th Jul Early | chess.com INT | 11 | Thomas Michalczak | Artur Tin Lun Dai Lima | 1-0 | 41 | Open |
| 183 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 11 | Sergiy Zavgorodniy | Thomas Michalczak | 1/2-1/2 | 31 | Open |
| 184 | 2023-07-25 | Titled Tue 25th Jul Late | chess.com INT | 10 | Joaquin Fiorito | Thomas Michalczak | 0-1 | 52 | Open |
| 185 | 2023-07-25 | Titled Tue 25th Jul Early | chess.com INT | 10 | Viktor Skliarov | Thomas Michalczak | 1-0 | 24 | Open |
| 186 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 9 | Thomas Michalczak | Artem Omelja | 0-1 | 30 | Open |
| 187 | 2023-07-18 | Titled Tue 18th Jul Early | chess.com INT | 9 | Laimutis Solys | Thomas Michalczak | 0-1 | 34 | Open |
| 188 | 2023-07-18 | Titled Tue 18th Jul Early | chess.com INT | 8 | Thomas Michalczak | Loic Travadon | 1-0 | 27 | Open |
| 189 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 8 | Alain Prieto Aranguren | Thomas Michalczak | 0-1 | 37 | Open |
| 190 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 7 | Mika Karttunen | Thomas Michalczak | 1-0 | 26 | Open |
| 191 | 2023-07-18 | Titled Tue 18th Jul Early | chess.com INT | 7 | Vivaan Vishal Shah | Thomas Michalczak | 1-0 | 73 | Open |
| 192 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 6 | Thomas Michalczak | Alexander Spichkin | 1-0 | 67 | Open |
| 193 | 2023-07-18 | Titled Tue 18th Jul Early | chess.com INT | 6 | Thomas Michalczak | Alisher Begmuratov | 0-1 | 32 | Open |
| 194 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 5 | Vaibhav Jayant Raut | Thomas Michalczak | 1-0 | 32 | Open |
| 195 | 2023-07-18 | Titled Tue 18th Jul Early | chess.com INT | 5 | Atousa Pourkashiyan | Thomas Michalczak | 0-1 | 49 | Open |
| 196 | 2023-07-18 | Titled Tue 18th Jul Early | chess.com INT | 4 | Vasily Volovich | Thomas Michalczak | 1-0 | 25 | Open |
| 197 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 4 | Cristiano Gomes De Souza | Thomas Michalczak | 0-1 | 31 | Open |
| 198 | 2023-07-18 | Titled Tue 18th Jul Early | chess.com INT | 3 | Thomas Michalczak | Sam Schmakel | 1/2-1/2 | 57 | Open |
| 199 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 3 | Thomas Michalczak | Han Schut | 1/2-1/2 | 35 | Open |
| 200 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 2 | Thomas Michalczak | Javier Izuzquiza Gonzalez | 1/2-1/2 | 68 | Open |
| 201 | 2023-07-18 | Titled Tue 18th Jul Early | chess.com INT | 2 | Thomas Michalczak | Jan Boder | 1-0 | 60 | Open |
| 202 | 2023-07-18 | Titled Tue 18th Jul Early | chess.com INT | 1 | Chithambaram VR. Aravindh | Thomas Michalczak | 1-0 | 25 | Open |
| 203 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 1 | Renato Terry | Thomas Michalczak | 1-0 | 23 | Open |
| 204 | 2023-07-18 | Titled Tue 18th Jul Early | chess.com INT | 11 | Thomas Michalczak | Aleksandar Topalov | 0-1 | 38 | Open |
| 205 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 11 | Thomas Michalczak | Josep Romero Ruscalleda | 1-0 | 64 | Open |
| 206 | 2023-07-18 | Titled Tue 18th Jul Early | chess.com INT | 10 | Marc Llari | Thomas Michalczak | 1-0 | 24 | Open |
| 207 | 2023-07-18 | Titled Tue 18th Jul Late | chess.com INT | 10 | Alexandru Calin | Thomas Michalczak | 1-0 | 35 | Open |
| 208 | 2023-07-11 | Titled Tue 11th Jul Early | chess.com INT | 9 | Thomas Michalczak | Matfei Nikologorsky | 1-0 | 28 | Open |
| 209 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 9 | Rodrigo Mendoza | Thomas Michalczak | 0-1 | 29 | Open |
| 210 | 2023-07-11 | Titled Tue 11th Jul Early | chess.com INT | 8 | Srinath Narayanan | Thomas Michalczak | 1-0 | 35 | Open |
| 211 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 8 | Thomas Michalczak | Giulia Sala | 0-1 | 40 | Open |
| 212 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 7 | David L Haydon | Thomas Michalczak | 1-0 | 25 | Open |
| 213 | 2023-07-11 | Titled Tue 11th Jul Early | chess.com INT | 7 | Florian Schwabeneder | Thomas Michalczak | 1-0 | 18 | Open |
| 214 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 6 | Thomas Michalczak | Dmytry Semenenko | 1-0 | 33 | Open |
| 215 | 2023-07-11 | Titled Tue 11th Jul Early | chess.com INT | 6 | Thomas Michalczak | Toms Kantans | 1-0 | 46 | Open |
| 216 | 2023-07-11 | Titled Tue 11th Jul Early | chess.com INT | 5 | Samarth J Rao | Thomas Michalczak | 0-1 | 30 | Open |
| 217 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 5 | Max Warmerdam | Thomas Michalczak | 1-0 | 64 | Open |
| 218 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 4 | Thomas Michalczak | Kirill Bazyrtsyrenov | 1-0 | 49 | Open |
| 219 | 2023-07-11 | Titled Tue 11th Jul Early | chess.com INT | 4 | Thomas Michalczak | Daniel Shapiro | 1-0 | 35 | Open |
| 220 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 3 | Thomas Michalczak | Grzegorz Kopacz | 1-0 | 28 | Open |
| 221 | 2023-07-11 | Titled Tue 11th Jul Early | chess.com INT | 3 | Grigoriy Oparin | Thomas Michalczak | 1-0 | 38 | Open |
| 222 | 2023-07-11 | Titled Tue 11th Jul Early | chess.com INT | 2 | Giulia Sala | Thomas Michalczak | 0-1 | 39 | Open |
| 223 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 2 | Shiroghlan Talibov | Thomas Michalczak | 1-0 | 31 | Open |
| 224 | 2023-07-11 | Titled Tue 11th Jul Early | chess.com INT | 1 | Thomas Michalczak | Aleksandr Shimanov | 0-1 | 28 | Open |
| 225 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 1 | Thomas Michalczak | John Upper | 1-0 | 34 | Open |
| 226 | 2023-07-11 | Titled Tue 11th Jul Early | chess.com INT | 11 | Thomas Michalczak | Ekaterina Fomkina | 1/2-1/2 | 71 | Open |
| 227 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 11 | Thomas Michalczak | Alexandr Kostiukov | 0-1 | 44 | Open |
| 228 | 2023-07-11 | Titled Tue 11th Jul Early | chess.com INT | 10 | Roman Goldin | Thomas Michalczak | 1-0 | 98 | Open |
| 229 | 2023-07-11 | Titled Tue 11th Jul Late | chess.com INT | 10 | Levy Rozman | Thomas Michalczak | 1-0 | 48 | Open |
| 230 | 2022-11-27 | 2nd Bundesliga West 22-23 | Germany GER | 4.8 | Philipp, Dr. Lamby | Thomas Michalczak | 1-0 | 0 | Open |
| 231 | 2022-11-26 | 2nd Bundesliga West 22-23 | Germany GER | 3.8 | Thomas Michalczak | Dmitrii Marcziter | 1-0 | 56 | Open |
| 232 | 2022-10-06 | 37th ECC Open 2022 | Mayrhofen AUT | 4.8 | Thomas Michalczak | Linus Johansson | 0-1 | 35 | Open |
| 233 | 2022-10-04 | 37th ECC Open 2022 | Mayrhofen AUT | 2.7 | Thomas Michalczak | Johan-Sebastian Christiansen | 0-1 | 21 | Open |
| 234 | 2022-07-24 | 49th Sparkassen Open | Dortmund GER | 9.1 | Thomas Michalczak | Vadym Petrovskiy | 1/2-1/2 | 24 | Open |
| 235 | 2022-07-22 | 49th Sparkassen Open | Dortmund GER | 7.6 | Thomas Michalczak | Julian Kramer | 0-1 | 38 | Open |
| 236 | 2022-07-21 | 49th Sparkassen Open | Dortmund GER | 6.6 | Thomas Michalczak | Adrian Gschnitzer | 1/2-1/2 | 69 | Open |
| 237 | 2022-05-01 | TCh-BEL 2021-22 | Belgium BEL | 5.4 | Stephane Hautot | Thomas Michalczak | 1/2-1/2 | 13 | Open |
| 238 | 2022-04-24 | TCh-BEL 2021-22 | Belgium BEL | 11.4 | Thomas Michalczak | Marcel Harff | 1/2-1/2 | 15 | Open |
| 239 | 2022-03-27 | TCh-BEL 2021-22 | Belgium BEL | 10.3 | Thomas Michalczak | Thibaut Vandenbussche | 1/2-1/2 | 31 | Open |
| 240 | 2022-02-13 | TCh-BEL 2021-22 | Belgium BEL | 7.5 | Thomas Michalczak | Gunter Deleyn | 1-0 | 34 | Open |
| 241 | 2022-01-30 | TCh-BEL 2021-22 | Belgium BEL | 6.6 | Thomas Michalczak | Jorge Goncalves | 1/2-1/2 | 74 | Open |
| 242 | 2022-01-14 | 20th Prague Open 2022 | Prague CZE | 9.11 | Matej Hrabusa | Thomas Michalczak | 1-0 | 37 | Open |
| 243 | 2022-01-13 | 20th Prague Open 2022 | Prague CZE | 8.2 | Thomas Michalczak | Ondrej Mach | 1-0 | 41 | Open |
| 244 | 2022-01-12 | 20th Prague Open 2022 | Prague CZE | 7.22 | Peter Adamko | Thomas Michalczak | 0-1 | 69 | Open |
| 245 | 2022-01-11 | 20th Prague Open 2022 | Prague CZE | 6.1 | Thomas Michalczak | Frode Olav Olsen Urkedal | 0-1 | 35 | Open |
| 246 | 2022-01-10 | 20th Prague Open 2022 | Prague CZE | 5.8 | Dawid Czerw | Thomas Michalczak | 1/2-1/2 | 38 | Open |
| 247 | 2022-01-09 | 20th Prague Open 2022 | Prague CZE | 4.22 | Thomas Michalczak | Petr Mach | 1-0 | 102 | Open |
| 248 | 2022-01-08 | 20th Prague Open 2022 | Prague CZE | 3.5 | Filip Haring | Thomas Michalczak | 1-0 | 32 | Open |
| 249 | 2021-11-21 | TCh-BEL 2021-22 | Belgium BEL | 2.4 | Thomas Michalczak | Gert Timmerman | 1/2-1/2 | 29 | Open |
| 250 | 2021-10-24 | TCh-BEL 2021-22 | Belgium BEL | 1.5 | Thomas Michalczak | Michail Kolkin | 1/2-1/2 | 16 | Open |
| 251 | 2021-10-14 | 38th Muensterland Open | Muenster GER | 8.8 | Thomas Michalczak | Adrian Kamp | 0-1 | 18 | Open |
| 252 | 2021-10-13 | 38th Muensterland Open | Muenster GER | 7.6 | Jan-Louis Wichtrup | Thomas Michalczak | 1-0 | 40 | Open |
| 253 | 2021-10-12 | 38th Muensterland Open | Muenster GER | 6.4 | Niklas Schmider | Thomas Michalczak | 1/2-1/2 | 76 | Open |
| 254 | 2021-10-11 | 38th Muensterland Open | Muenster GER | 5.5 | Thomas Michalczak | Maximilian Wensing | 1/2-1/2 | 13 | Open |
| 255 | 2021-10-10 | 38th Muensterland Open | Muenster GER | 4.9 | Peter Trzaska | Thomas Michalczak | 0-1 | 20 | Open |
| 256 | 2020-08-15 | 7th Prague Summer Open | Prague CZE | 9.8 | Frank Buchenau | Thomas Michalczak | 1/2-1/2 | 52 | Open |
| 257 | 2020-08-14 | 7th Prague Summer Open | Prague CZE | 8.12 | Nico Marakovits | Thomas Michalczak | 1/2-1/2 | 71 | Open |
| 258 | 2020-08-13 | 7th Prague Summer Open | Prague CZE | 7.2 | Thomas Michalczak | Vincent Schmit | 1-0 | 23 | Open |
| 259 | 2020-08-12 | 7th Prague Summer Open | Prague CZE | 6.5 | Petr Neuman | Thomas Michalczak | 1-0 | 34 | Open |
| 260 | 2020-08-11 | 7th Prague Summer Open | Prague CZE | 5.19 | Thomas Michalczak | Milos Kozak | 1-0 | 42 | Open |
| 261 | 2020-08-10 | 7th Prague Summer Open | Prague CZE | 4.14 | Dries Wedda | Thomas Michalczak | 1/2-1/2 | 64 | Open |
| 262 | 2020-08-09 | 7th Prague Summer Open | Prague CZE | 3.26 | Thomas Michalczak | Michal Syrkiewicz | 1-0 | 48 | Open |
| 263 | 2020-03-08 | TCh-BEL 2019-20 | Belgium BEL | 9.5 | Thomas Michalczak | Geert Van der Stricht | 0-1 | 49 | Open |
| 264 | 2020-02-16 | TCh-BEL 2019-20 | Belgium BEL | 8.5 | Hans Groffen | Thomas Michalczak | 1/2-1/2 | 52 | Open |
| 265 | 2020-01-19 | TCh-BEL 2019-20 | Belgium BEL | 6.4 | Thomas Michalczak | Thibaut Maenhout | 1/2-1/2 | 29 | Open |
| 266 | 2019-09-29 | TCh-BEL 2019-20 | Belgium BEL | 1.5 | Nico Zwirs | Thomas Michalczak | 1/2-1/2 | 34 | Open |
| 267 | 2019-07-21 | 47th Sparkassen Open | Dortmund GER | 9.2 | Thomas Michalczak | Julius Chittka | 1/2-1/2 | 38 | Open |
| 268 | 2019-07-20 | 47th Sparkassen Open | Dortmund GER | 8.2 | Thomas Michalczak | Zoya Schleining | 1-0 | 50 | Open |
| 269 | 2019-07-19 | 47th Sparkassen Open | Dortmund GER | 7.1 | Daniel Hausrath | Thomas Michalczak | 1/2-1/2 | 7 | Open |
| 270 | 2019-07-18 | 47th Sparkassen Open | Dortmund GER | 6.1 | Thomas Michalczak | Alexander Bagrationi | 1-0 | 41 | Open |
| 271 | 2019-07-17 | 47th Sparkassen Open | Dortmund GER | 5.4 | Wolfgang Prueske | Thomas Michalczak | 0-1 | 23 | Open |
| 272 | 2019-07-16 | 47th Sparkassen Open | Dortmund GER | 4.1 | Gunnar Andersen | Thomas Michalczak | 1/2-1/2 | 19 | Open |
| 273 | 2019-07-15 | 47th Sparkassen Open | Dortmund GER | 3.2 | Thomas Michalczak | Alina Kashlinskaya | 1-0 | 62 | Open |
| 274 | 2019-07-14 | 47th Sparkassen Open | Dortmund GER | 2.11 | Martin Strathoff | Thomas Michalczak | 0-1 | 31 | Open |
| 275 | 2019-07-13 | 47th Sparkassen Open | Dortmund GER | 1.15 | Thomas Michalczak | Joerg Schroeder | 1-0 | 40 | Open |
| 276 | 2019-04-22 | GRENKE Chess Open 2019 | Karlsruhe GER | 9.94 | Yovann Gatineau | Thomas Michalczak | 1-0 | 36 | Open |
| 277 | 2019-04-21 | GRENKE Chess Open 2019 | Karlsruhe GER | 7.87 | David Miedema | Thomas Michalczak | 1-0 | 61 | Open |
| 278 | 2019-04-21 | GRENKE Chess Open 2019 | Karlsruhe GER | 6.85 | Thomas Michalczak | Pranav Anand | 1/2-1/2 | 67 | Open |
| 279 | 2019-04-20 | GRENKE Chess Open 2019 | Karlsruhe GER | 5.97 | Alberto Barp | Thomas Michalczak | 0-1 | 45 | Open |
| 280 | 2019-04-19 | GRENKE Chess Open 2019 | Karlsruhe GER | 3.84 | Thore Perske | Thomas Michalczak | 1-0 | 37 | Open |
| 281 | 2019-03-17 | TCh-BEL 2018-19 | Belgium BEL | 9.3 | Ilias Van der Lende | Thomas Michalczak | 0-1 | 67 | Open |
| 282 | 2019-01-26 | 18th Marienbad Open 2019 | Marianske Lazne CZE | 9.4 | Martin Simet | Thomas Michalczak | 0-1 | 31 | Open |
| 283 | 2019-01-25 | 18th Marienbad Open 2019 | Marianske Lazne CZE | 8.7 | Thomas Michalczak | Petr Gnojek | 1-0 | 25 | Open |
| 284 | 2019-01-24 | 18th Marienbad Open 2019 | Marianske Lazne CZE | 7.11 | Thomas Michalczak | Emilia Dylag | 1-0 | 47 | Open |
| 285 | 2019-01-23 | 18th Marienbad Open 2019 | Marianske Lazne CZE | 6.6 | Viktor Dovzhenko | Thomas Michalczak | 1-0 | 41 | Open |
| 286 | 2019-01-22 | 18th Marienbad Open 2019 | Marianske Lazne CZE | 5.5 | Thomas Michalczak | Dietmar Kolbus | 1-0 | 60 | Open |
| 287 | 2019-01-21 | 18th Marienbad Open 2019 | Marianske Lazne CZE | 3.1 | Thomas Michalczak | Taron Shagbazyan | 0-1 | 43 | Open |
| 288 | 2019-01-17 | 18th Prague Open 2019 | Prague CZE | 8.3 | Alexander Mulenko | Thomas Michalczak | 1/2-1/2 | 17 | Open |
| 289 | 2019-01-16 | 18th Prague Open 2019 | Prague CZE | 7.2 | Thomas Michalczak | Xiaopeng Zhang | 0-1 | 32 | Open |
| 290 | 2019-01-14 | 18th Prague Open 2019 | Prague CZE | 5.17 | Thomas Michalczak | Petr Cerveny | 0-1 | 41 | Open |
| 291 | 2019-01-12 | 18th Prague Open 2019 | Prague CZE | 3.47 | Kai Ortoft | Thomas Michalczak | 0-1 | 36 | Open |
| 292 | 2019-01-12 | 18th Prague Open 2019 | Prague CZE | 2.16 | Thomas Michalczak | Yi Lin | 0-1 | 25 | Open |
| 293 | 2019-01-06 | 31st Staufer-Open 2019 | Schwaebisch Gmuend GER | 9 | Vinzent Spitzl | Thomas Michalczak | 0-1 | 42 | Open |
| 294 | 2019-01-05 | 31st Staufer-Open 2019 | Schwaebisch Gmuend GER | 7 | Gerard Welling | Thomas Michalczak | 1-0 | 31 | Open |
| 295 | 2019-01-04 | 31st Staufer-Open 2019 | Schwaebisch Gmuend GER | 6 | Thomas Michalczak | Frank Zeller | 1-0 | 44 | Open |
| 296 | 2019-01-02 | 31st Staufer-Open 2019 | Schwaebisch Gmuend GER | 1 | Vladimir G Kostic | Thomas Michalczak | 1-0 | 51 | Open |
| 297 | 2018-12-02 | TCh-BEL 2018-19 | Belgium BEL | 5.5 | Arno Sterck | Thomas Michalczak | 1-0 | 56 | Open |
| 298 | 2018-11-24 | 10th Pilsen Open 2018 | Plzen CZE | 7.9 | Thomas Michalczak | Jiri Svetly | 1-0 | 57 | Open |
| 299 | 2018-11-23 | 10th Pilsen Open 2018 | Plzen CZE | 6.9 | Tymon Ochedzan | Thomas Michalczak | 1/2-1/2 | 41 | Open |
| 300 | 2018-11-22 | 10th Pilsen Open 2018 | Plzen CZE | 5.5 | Daniel Moreno Martin | Thomas Michalczak | 1-0 | 38 | Open |
| 301 | 2018-11-21 | 10th Pilsen Open 2018 | Plzen CZE | 4.5 | Thomas Michalczak | Petr Paldus | 1/2-1/2 | 56 | Open |
| 302 | 2018-11-20 | 10th Pilsen Open 2018 | Plzen CZE | 3.7 | Thomas Michalczak | Alexander Giemsa | 1-0 | 28 | Open |
| 303 | 2018-11-19 | 10th Pilsen Open 2018 | Plzen CZE | 2.1 | Marc Richters | Thomas Michalczak | 1/2-1/2 | 35 | Open |
| 304 | 2018-11-18 | 10th Pilsen Open 2018 | Plzen CZE | 1.11 | Thomas Michalczak | Karel Kalista | 1-0 | 69 | Open |
| 305 | 2018-10-18 | 34th ECC Open 2018 | Porto Carras GRE | 7.9 | Thomas Michalczak | Liam D Varnam | 1/2-1/2 | 71 | Open |
| 306 | 2018-10-17 | 34th ECC Open 2018 | Porto Carras GRE | 6.12 | Norbert Friedrich | Thomas Michalczak | 1-0 | 40 | Open |
| 307 | 2018-10-16 | 34th ECC Open 2018 | Porto Carras GRE | 5.15 | Eivind Olav Risting | Thomas Michalczak | 0-1 | 42 | Open |
| 308 | 2018-10-15 | 34th ECC Open 2018 | Porto Carras GRE | 4.16 | Thomas Michalczak | Jonah B Willow | 1-0 | 40 | Open |
| 309 | 2018-10-14 | 34th ECC Open 2018 | Porto Carras GRE | 3.1 | Thomas Michalczak | Kaarel Nestor | 1/2-1/2 | 92 | Open |
| 310 | 2018-10-12 | 34th ECC Open 2018 | Porto Carras GRE | 1.14 | Thomas Michalczak | Conrad Ho | 0-1 | 36 | Open |
| 311 | 2018-10-07 | TCh-BEL 2018-19 | Belgium BEL | 2.5 | Thomas Michalczak | Geert Van der Stricht | 0-1 | 37 | Open |
| 312 | 2018-09-30 | TCh-BEL 2018-19 | Belgium BEL | 1.7 | Dave Remijsen | Thomas Michalczak | 0-1 | 45 | Open |
| 313 | 2018-07-21 | 29th Czech Open A 2018 | Pardubice CZE | 2.102 | Thomas Michalczak | Thrish Karthik | 0-1 | 26 | Open |
| 314 | 2018-07-16 | Najdorf Mem Open A 2018 | Warsaw POL | 9.32 | Thomas Michalczak | Anna Kubicka | 1/2-1/2 | 32 | Open |
| 315 | 2018-07-13 | Najdorf Mem Open A 2018 | Warsaw POL | 6.3 | Thomas Michalczak | Rafal Kowalczyk | 0-1 | 45 | Open |
| 316 | 2018-07-12 | Najdorf Mem Open A 2018 | Warsaw POL | 5.3 | M Mahalakshmi | Thomas Michalczak | 1/2-1/2 | 35 | Open |
| 317 | 2018-07-11 | Najdorf Mem Open A 2018 | Warsaw POL | 4.11 | Thomas Michalczak | Jesper Sondergaard Thybo | 0-1 | 38 | Open |
| 318 | 2018-07-10 | Najdorf Mem Open A 2018 | Warsaw POL | 3.37 | Pawel Maj | Thomas Michalczak | 0-1 | 59 | Open |
| 319 | 2018-04-15 | 2nd Bundesliga West 2017-18 | Germany GER | 9.7 | Neil Stewart | Thomas Michalczak | 1-0 | 43 | Open |
| 320 | 2018-03-18 | 2nd Bundesliga West 2017-18 | Germany GER | 8.5 | Thomas Michalczak | Oliver Bewersdorff | 1-0 | 51 | Open |
| 321 | 2018-02-25 | 2nd Bundesliga West 2017-18 | Germany GER | 7.6 | Thomas Michalczak | Wladimir Skulener | 1/2-1/2 | 11 | Open |
| 322 | 2018-02-04 | 2nd Bundesliga West 2017-18 | Germany GER | 6.6 | Wolfgang Burchert | Thomas Michalczak | 0-1 | 45 | Open |
| 323 | 2018-01-21 | 2nd Bundesliga West 2017-18 | Germany GER | 5.7 | Thomas Michalczak | Reinhard Bonnmann | 1/2-1/2 | 36 | Open |
| 324 | 2018-01-19 | 17th Prague Open 2018 | Prague CZE | 9.11 | Mikhail Popov | Thomas Michalczak | 1-0 | 60 | Open |
| 325 | 2018-01-18 | 17th Prague Open 2018 | Prague CZE | 8.11 | Thomas Michalczak | Milosz Szpar | 1/2-1/2 | 27 | Open |
| 326 | 2018-01-17 | 17th Prague Open 2018 | Prague CZE | 7.12 | Akash Thakur | Thomas Michalczak | 1/2-1/2 | 38 | Open |
| 327 | 2018-01-16 | 17th Prague Open 2018 | Prague CZE | 6.9 | Sebastian Mihajlov | Thomas Michalczak | 1/2-1/2 | 35 | Open |
| 328 | 2018-01-15 | 17th Prague Open 2018 | Prague CZE | 5.16 | Thomas Michalczak | Tor Fredrik Kaasen | 1-0 | 54 | Open |
| 329 | 2018-01-14 | 17th Prague Open 2018 | Prague CZE | 4.11 | Evgenij Kalegin | Thomas Michalczak | 1/2-1/2 | 48 | Open |
| 330 | 2018-01-13 | 17th Prague Open 2018 | Prague CZE | 3.7 | Thomas Michalczak | Hans Moehn | 1/2-1/2 | 69 | Open |
| 331 | 2018-01-06 | 30th Staufer-Open 2018 | Schwaebisch Gmuend GER | 9.12 | Thomas Michalczak | Frank Zeller | 1/2-1/2 | 37 | Open |
| 332 | 2018-01-05 | 30th Staufer-Open 2018 | Schwaebisch Gmuend GER | 8.5 | Alexandre Dgebuadze | Thomas Michalczak | 1-0 | 74 | Open |
| 333 | 2018-01-05 | 30th Staufer-Open 2018 | Schwaebisch Gmuend GER | 7.13 | Thomas Michalczak | Tomas Kraus | 1-0 | 35 | Open |
| 334 | 2018-01-04 | 30th Staufer-Open 2018 | Schwaebisch Gmuend GER | 6.6 | Gergely Kantor | Thomas Michalczak | 1/2-1/2 | 102 | Open |
| 335 | 2018-01-04 | 30th Staufer-Open 2018 | Schwaebisch Gmuend GER | 5.11 | Thomas Michalczak | Spyridon Skembris | 1-0 | 54 | Open |
| 336 | 2018-01-03 | 30th Staufer-Open 2018 | Schwaebisch Gmuend GER | 4.33 | Markus, Prof. Mock | Thomas Michalczak | 0-1 | 33 | Open |
| 337 | 2017-12-22 | 55th Groningen Open 2017 | Groningen NED | 1.5 | Thomas Michalczak | Dmitry Kryakvin | 0-1 | 31 | Open |
| 338 | 2017-12-10 | 2nd Bundesliga West 2017-18 | Germany GER | 4.7 | Felix Klein | Thomas Michalczak | 0-1 | 66 | Open |
| 339 | 2017-10-22 | 2nd Bundesliga West 2017-18 | Germany GER | 2.6 | Thomas Michalczak | David Miedema | 0-1 | 48 | Open |
| 340 | 2017-07-16 | Najdorf Mem Open A 2017 | Warsaw POL | 8.69 | Jakub Fus | Thomas Michalczak | 1-0 | 25 | Open |
| 341 | 2017-07-15 | Najdorf Mem Open A 2017 | Warsaw POL | 7.7 | Thomas Michalczak | Anastasya Paramzina | 1/2-1/2 | 71 | Open |
| 342 | 2017-07-14 | Najdorf Mem Open A 2017 | Warsaw POL | 6.71 | Szymon Walter | Thomas Michalczak | 1-0 | 27 | Open |
| 343 | 2017-07-13 | Najdorf Mem Open A 2017 | Warsaw POL | 5.71 | Thomas Michalczak | Wojciech Reza | 1/2-1/2 | 4 | Open |
| 344 | 2017-07-12 | Najdorf Mem Open A 2017 | Warsaw POL | 4.65 | Karol Kucza | Thomas Michalczak | 1-0 | 105 | Open |
| 345 | 2017-07-11 | Najdorf Mem Open A 2017 | Warsaw POL | 3.49 | Thomas Michalczak | Mikolaj Tomczak | 0-1 | 45 | Open |
| 346 | 2017-07-10 | Najdorf Mem Open A 2017 | Warsaw POL | 2.37 | Yuliya Shvayger | Thomas Michalczak | 1-0 | 32 | Open |
| 347 | 2017-07-09 | Najdorf Mem Open A 2017 | Warsaw POL | 1.44 | Thomas Michalczak | Lukasz Jarmula | 1/2-1/2 | 60 | Open |
| 348 | 2017-04-23 | 2nd Bundesliga West 2016-17 | Germany GER | 8.7 | David Miedema | Thomas Michalczak | 1-0 | 53 | Open |
| 349 | 2017-03-19 | 2nd Bundesliga West 2016-17 | Germany GER | 7.7 | Thomas Michalczak | Stefan Docx | 0-1 | 53 | Open |
| 350 | 2017-02-19 | 2nd Bundesliga West 2016-17 | Germany GER | 6.6 | Thomas Michalczak | Joachim Berndt | 1-0 | 40 | Open |
| 351 | 2017-02-05 | 2nd Bundesliga West 2016-17 | Germany GER | 5.7 | Fatih Baltic | Thomas Michalczak | 1/2-1/2 | 15 | Open |
| 352 | 2017-01-17 | 16th Prague Open 2017 | Prague CZE | 6.7 | Thomas Michalczak | Petr Neuman | 0-1 | 71 | Open |
| 353 | 2017-01-16 | 16th Prague Open 2017 | Prague CZE | 5.2 | Konstantin Chernyshov | Thomas Michalczak | 1/2-1/2 | 42 | Open |
| 354 | 2017-01-15 | 16th Prague Open 2017 | Prague CZE | 4.3 | Thomas Michalczak | Krishna C R G | 1/2-1/2 | 34 | Open |
| 355 | 2017-01-14 | 16th Prague Open 2017 | Prague CZE | 3.6 | Roman Lovkov | Thomas Michalczak | 0-1 | 86 | Open |
| 356 | 2017-01-14 | 16th Prague Open 2017 | Prague CZE | 2.28 | Thomas Michalczak | Olena Zemlickova | 1-0 | 42 | Open |
| 357 | 2017-01-06 | 17th Bad Zwesten Op | Bad Zwesten GER | 7.5 | Ruotong Chu | Thomas Michalczak | 1-0 | 49 | Open |
| 358 | 2017-01-05 | 17th Bad Zwesten Op | Bad Zwesten GER | 6.4 | Thomas Michalczak | Hendrik Hoffmann | 1/2-1/2 | 21 | Open |
| 359 | 2017-01-05 | 17th Bad Zwesten Op | Bad Zwesten GER | 5.6 | Andrey Cherny | Thomas Michalczak | 0-1 | 66 | Open |
| 360 | 2017-01-04 | 17th Bad Zwesten Op | Bad Zwesten GER | 4.6 | Thomas Michalczak | Zhaoyang Li | 1-0 | 40 | Open |
| 361 | 2017-01-03 | 17th Bad Zwesten Op | Bad Zwesten GER | 3.1 | Vladimir Epishin | Thomas Michalczak | 1-0 | 58 | Open |
| 362 | 2017-01-03 | 17th Bad Zwesten Op | Bad Zwesten GER | 2.8 | Thomas Michalczak | Hugo Post | 1-0 | 41 | Open |
| 363 | 2017-01-02 | 17th Bad Zwesten Op | Bad Zwesten GER | 1.1 | Jens, Dr. Schweisgut | Thomas Michalczak | 0-1 | 26 | Open |
| 364 | 2016-12-28 | 33rd Boeblinger Open 2016 | Boeblingen GER | 5.17 | Jure Skoberne | Thomas Michalczak | 1-0 | 23 | Open |
| 365 | 2016-12-04 | 2nd Bundesliga West 2016-17 | Germany GER | 3.5 | Vladimir Gurevich | Thomas Michalczak | 1-0 | 44 | Open |
| 366 | 2016-11-20 | 2nd Bundesliga West 2016-17 | Germany GER | 2.7 | Thomas Michalczak | Christian, Dr. Scholz | 0-1 | 48 | Open |
| 367 | 2016-10-16 | 2nd Bundesliga West 2016-17 | Germany GER | 1.7 | Stanislav Korotkjevich | Thomas Michalczak | 1-0 | 29 | Open |
| 368 | 2016-08-13 | 20th HZ Open 2016 | Vlissingen NED | 9.7 | Thomas Michalczak | Ke Mu | 0-1 | 84 | Open |
| 369 | 2016-08-12 | 20th HZ Open 2016 | Vlissingen NED | 8.15 | Eric Rosen | Thomas Michalczak | 0-1 | 41 | Open |
| 370 | 2016-08-11 | 20th HZ Open 2016 | Vlissingen NED | 7.16 | Thomas Michalczak | Robby Kevlishvili | 1/2-1/2 | 71 | Open |
| 371 | 2016-08-10 | 20th HZ Open 2016 | Vlissingen NED | 6.2 | Amadeus Eisenbeiser | Thomas Michalczak | 0-1 | 31 | Open |
| 372 | 2016-08-09 | 20th HZ Open 2016 | Vlissingen NED | 5.43 | Thomas Michalczak | Peter Pijpers | 1-0 | 28 | Open |
| 373 | 2016-08-08 | 20th HZ Open 2016 | Vlissingen NED | 4.43 | Peter Kalisvaart | Thomas Michalczak | 1/2-1/2 | 40 | Open |
| 374 | 2016-08-07 | 20th HZ Open 2016 | Vlissingen NED | 3.47 | Thomas Michalczak | Laurens Schilstra | 1-0 | 29 | Open |
| 375 | 2016-08-07 | 20th HZ Open 2016 | Vlissingen NED | 2.3 | Mykhaylo Oleksiyenko | Thomas Michalczak | 1-0 | 28 | Open |
| 376 | 2016-07-16 | Najdorf Mem Open A 2016 | Warsaw POL | 9.59 | Karol Jaroch | Thomas Michalczak | 0-1 | 30 | Open |
| 377 | 2016-07-15 | Najdorf Mem Open A 2016 | Warsaw POL | 8.51 | Thomas Michalczak | Ufuk Sezen Arat | 0-1 | 40 | Open |
| 378 | 2016-07-13 | Najdorf Mem Open A 2016 | Warsaw POL | 6.63 | Thomas Michalczak | Pawel Flak | 1-0 | 46 | Open |
| 379 | 2016-07-12 | Najdorf Mem Open A 2016 | Warsaw POL | 5.61 | Rafal Kowalczyk | Thomas Michalczak | 1-0 | 24 | Open |
| 380 | 2016-07-11 | Najdorf Mem Open A 2016 | Warsaw POL | 4.65 | Thomas Michalczak | Jakub Garbowski | 1/2-1/2 | 60 | Open |
| 381 | 2016-07-10 | Najdorf Mem Open A 2016 | Warsaw POL | 3.5 | Thomas Michalczak | Damian Lewtak | 0-1 | 55 | Open |
| 382 | 2016-07-09 | Najdorf Mem Open A 2016 | Warsaw POL | 2.5 | Martin Lokander | Thomas Michalczak | 1/2-1/2 | 32 | Open |
| 383 | 2016-07-08 | Najdorf Mem Open A 2016 | Warsaw POL | 1.39 | Eylon Nakar | Thomas Michalczak | 1-0 | 25 | Open |
| 384 | 2016-02-13 | 32nd Cappelle Open 2016 | Cappelle la Grande FRA | 1.66 | Thomas Michalczak | Maciej Klekowski | 0-1 | 44 | Open |
| 385 | 2016-01-13 | 15th Prague Open 2016 | Prague CZE | 7 | Thomas Michalczak | Thomas Hoefelsauer | 0-1 | 22 | Open |
| 386 | 2016-01-11 | 15th Prague Open 2016 | Prague CZE | 5 | Thomas Michalczak | Jyrki Pesola | 1-0 | 19 | Open |
| 387 | 2016-01-09 | 15th Prague Open 2016 | Prague CZE | 2 | Vladimir Sergeev | Thomas Michalczak | 1/2-1/2 | 44 | Open |
| 388 | 2015-12-28 | 12th Schachtuerken Cup | Paderborn GER | 4.4 | Henrik Teske | Thomas Michalczak | 1/2-1/2 | 44 | Open |
| 389 | 2015-07-22 | 105 Jahre FC St. Pauli Op | Hamburg GER | 6.9 | Thomas Michalczak | Georgios Souleidis | 1/2-1/2 | 13 | Open |
| 390 | 2015-07-21 | 105 Jahre FC St. Pauli Op | Hamburg GER | 5.23 | Thomas Michalczak | Klaus-Guenther Besenthal | 1-0 | 63 | Open |
| 391 | 2015-07-20 | 105 Jahre FC St. Pauli Op | Hamburg GER | 4.8 | Ferenc Langheinrich | Thomas Michalczak | 1-0 | 26 | Open |
| 392 | 2015-07-19 | 105 Jahre FC St. Pauli Op | Hamburg GER | 3.1 | Thomas Michalczak | Michael Klenburg | 1/2-1/2 | 21 | Open |
| 393 | 2015-07-19 | 105 Jahre FC St. Pauli Op | Hamburg GER | 2.28 | Frank Knauer | Thomas Michalczak | 0-1 | 54 | Open |
| 394 | 2015-07-18 | 105 Jahre FC St. Pauli Op | Hamburg GER | 1.36 | Thomas Michalczak | David Kaplun | 1-0 | 17 | Open |
| 395 | 2015-07-04 | 43rd Sparkassen Open | Dortmund GER | 8.22 | Thomas Michalczak | Thomas Schriewer | 1-0 | 31 | Open |
| 396 | 2015-07-03 | 43rd Sparkassen Open | Dortmund GER | 7.18 | Dirk Schiefelbusch | Thomas Michalczak | 1-0 | 29 | Open |
| 397 | 2015-07-02 | 43rd Sparkassen Open | Dortmund GER | 6.19 | Thomas Michalczak | Nino Tschoepe | 1/2-1/2 | 10 | Open |
| 398 | 2015-07-01 | 43rd Sparkassen Open | Dortmund GER | 5.18 | Andre Krueger | Thomas Michalczak | 1/2-1/2 | 33 | Open |
| 399 | 2015-06-30 | 43rd Sparkassen Open | Dortmund GER | 4.18 | Thomas Michalczak | Samuel A Milson | 1/2-1/2 | 60 | Open |
| 400 | 2015-06-29 | 43rd Sparkassen Open | Dortmund GER | 3.28 | Maurice Christmann | Thomas Michalczak | 0-1 | 33 | Open |
| 401 | 2015-03-22 | TCh-BEL 2014-15 | Belgium BEL | 11.7 | Thomas Michalczak | Michael Hoffmann | 0-1 | 51 | Open |
| 402 | 2014-08-09 | 18th HZ Open 2014 | Vlissingen NED | 9.19 | Thomas Michalczak | Peter J Sowray | 0-1 | 25 | Open |
| 403 | 2014-08-08 | 18th HZ Open 2014 | Vlissingen NED | 8.13 | Frank Erwich | Thomas Michalczak | 1/2-1/2 | 44 | Open |
| 404 | 2014-08-07 | 18th HZ Open 2014 | Vlissingen NED | 7.32 | Thomas Michalczak | Mike Hoogland | 1-0 | 41 | Open |
| 405 | 2014-08-06 | 18th HZ Open 2014 | Vlissingen NED | 6.36 | Gert Van Rij | Thomas Michalczak | 0-1 | 44 | Open |
| 406 | 2014-08-05 | 18th HZ Open 2014 | Vlissingen NED | 5.38 | Thomas Michalczak | Jordy Schouten | 1/2-1/2 | 32 | Open |
| 407 | 2014-08-04 | 18th HZ Open 2014 | Vlissingen NED | 4.11 | Oleg M Romanishin | Thomas Michalczak | 1-0 | 27 | Open |
| 408 | 2014-08-03 | 18th HZ Open 2014 | Vlissingen NED | 3.32 | Thomas Michalczak | Maurice Engelaer | 1-0 | 19 | Open |
| 409 | 2014-08-03 | 18th HZ Open 2014 | Vlissingen NED | 2.47 | Oliver De Hert | Thomas Michalczak | 1/2-1/2 | 59 | Open |
| 410 | 2014-07-20 | Sparkassen Open A 2014 | Dortmund GER | 9.16 | Thomas Michalczak | Stephan Baumann | 1-0 | 34 | Open |
| 411 | 2014-07-19 | Sparkassen Open A 2014 | Dortmund GER | 8.11 | Olaf Arndt | Thomas Michalczak | 1-0 | 54 | Open |
| 412 | 2014-07-18 | Sparkassen Open A 2014 | Dortmund GER | 7.8 | Thomas Michalczak | Kevin Zolfagharian | 0-1 | 28 | Open |
| 413 | 2014-07-17 | Sparkassen Open A 2014 | Dortmund GER | 6.11 | Amina Sherif | Thomas Michalczak | 0-1 | 34 | Open |
| 414 | 2014-07-16 | Sparkassen Open A 2014 | Dortmund GER | 5.15 | Thomas Michalczak | Marc Schulze | 1-0 | 46 | Open |
| 415 | 2014-07-15 | Sparkassen Open A 2014 | Dortmund GER | 4.15 | Moritz Rempe | Thomas Michalczak | 1/2-1/2 | 15 | Open |
| 416 | 2014-07-14 | Sparkassen Open A 2014 | Dortmund GER | 3.9 | Ralf Barten | Thomas Michalczak | 1-0 | 0 | Open |
| 417 | 2014-07-13 | Sparkassen Open A 2014 | Dortmund GER | 2.16 | Thomas Michalczak | 1576869534732753645 | 1-0 | 50 | Open |
| 418 | 2014-07-12 | Sparkassen Open A 2014 | Dortmund GER | 1.4 | Patrick Imcke | Thomas Michalczak | 1-0 | 17 | Open |
| 419 | 2014-03-02 | 2nd Stein am Rhein Open 2014 | Stein am Rhein SUI | 5.7 | Thomas Michalczak | Hansuli Remensberger | 1-0 | 35 | Open |
| 420 | 2014-03-02 | 2nd Stein am Rhein Open 2014 | Stein am Rhein SUI | 4.5 | Thomas Michalczak | Alfredo Cacciola | 1/2-1/2 | 60 | Open |
| 421 | 2014-03-01 | 2nd Stein am Rhein Open 2014 | Stein am Rhein SUI | 3.1 | Miklos Galyas | Thomas Michalczak | 1-0 | 33 | Open |
| 422 | 2014-03-01 | 2nd Stein am Rhein Open 2014 | Stein am Rhein SUI | 2.7 | Matteo Bonino | Thomas Michalczak | 0-1 | 30 | Open |
| 423 | 2014-02-28 | 2nd Stein am Rhein Open 2014 | Stein am Rhein SUI | 1.9 | Thomas Michalczak | 1304739 | 1-0 | 26 | Open |
| 424 | 2013-10-26 | 29th ECC Open 2013 | Rhodes GRE | 7.15 | Thomas Michalczak | M Paul Townsend | 1-0 | 38 | Open |
| 425 | 2013-10-25 | 29th ECC Open 2013 | Rhodes GRE | 6.21 | Murat Mejdini | Thomas Michalczak | 1/2-1/2 | 42 | Open |
| 426 | 2013-10-24 | 29th ECC Open 2013 | Rhodes GRE | 5.23 | Thomas Michalczak | George Neave | 1-0 | 24 | Open |
| 427 | 2013-10-23 | 29th ECC Open 2013 | Rhodes GRE | 4.2 | Alban Delorme | Thomas Michalczak | 0-1 | 21 | Open |
| 428 | 2013-10-22 | 29th ECC Open 2013 | Rhodes GRE | 3.22 | Killian Delaney | Thomas Michalczak | 0-1 | 38 | Open |
| 429 | 2013-10-21 | 29th ECC Open 2013 | Rhodes GRE | 2.3 | Thomas Michalczak | Stefan Kuipers | 0-1 | 69 | Open |
| 430 | 2013-10-21 | 29th ECC Open 2013 | Rhodes GRE | 2.2 | Thomas Michalczak | Stefan Kuipers | 0-1 | 69 | Open |
| 431 | 2013-10-20 | 29th ECC Open 2013 | Rhodes GRE | 1.7 | Michele Godena | Thomas Michalczak | 1/2-1/2 | 41 | Open |
| 432 | 2013-10-20 | 29th ECC Open 2013 | Rhodes GRE | 1.3 | Michele Godena | Thomas Michalczak | 1/2-1/2 | 41 | Open |
| 433 | 2013-08-04 | Sparkassen Open A 2013 | Dortmund GER | 9.2 | Julian Scheider | Thomas Michalczak | 1/2-1/2 | 16 | Open |
| 434 | 2013-08-03 | Sparkassen Open A 2013 | Dortmund GER | 8.2 | Laurence E Webb | Thomas Michalczak | 0-1 | 69 | Open |
| 435 | 2013-08-02 | Sparkassen Open A 2013 | Dortmund GER | 7.2 | Thomas Michalczak | Norbert Heck | 1-0 | 30 | Open |
| 436 | 2013-08-01 | Sparkassen Open A 2013 | Dortmund GER | 6.4 | Eugen Heinert | Thomas Michalczak | 1/2-1/2 | 57 | Open |
| 437 | 2013-07-31 | Sparkassen Open A 2013 | Dortmund GER | 5.6 | Thomas Michalczak | Dirk Schiefelbusch | 1-0 | 45 | Open |
| 438 | 2013-07-30 | Sparkassen Open A 2013 | Dortmund GER | 4.11 | Hannah Kuckling | Thomas Michalczak | 0-1 | 70 | Open |
| 439 | 2013-07-29 | Sparkassen Open A 2013 | Dortmund GER | 3.15 | Thomas Michalczak | Bozidar Begna | 1-0 | 29 | Open |
| 440 | 2013-07-28 | Sparkassen Open A 2013 | Dortmund GER | 2.18 | Dirk Zimmermann | Thomas Michalczak | 1/2-1/2 | 50 | Open |
| 441 | 2013-07-27 | Sparkassen Open A 2013 | Dortmund GER | 1.5 | Thomas Michalczak | Joshua Eckardt | 1/2-1/2 | 71 | Open |
| 442 | 2013-01-04 | 16th New Year Open | Guben GER | 6 | Vladimir Sergeev | Thomas Michalczak | 1-0 | 51 | Open |
| 443 | 2013-01-04 | 16th New Year Open | Guben GER | 5 | Piotr Jagodzinski | Thomas Michalczak | 0-1 | 38 | Open |
| 444 | 2013-01-03 | 16th New Year Open | Guben GER | 3 | Alexander Kitze | Thomas Michalczak | 0-1 | 45 | Open |
| 445 | 2013-01-02 | 16th New Year Open | Guben GER | 2 | Thomas Michalczak | Guenter Sobeck | 1-0 | 22 | Open |
| 446 | 2013-01-02 | 16th New Year Open | Guben GER | 1 | Frank Wiese | Thomas Michalczak | 0-1 | 37 | Open |
| 447 | 2012-12-02 | TCh-BEL 2012-13 | Belgium BEL | 5.2 | Thomas Michalczak | Henk Vedder | 1-0 | 38 | Open |
| 448 | 2012-09-08 | 11th Kesarovski-Stanchev Mem | Sunny Beach BUL | 8.21 | Thomas Michalczak | Jordi Chalmeta Ugas | 0-1 | 18 | Open |
| 449 | 2012-09-07 | 11th Kesarovski-Stanchev Mem | Sunny Beach BUL | 7.2 | 14103745 | Thomas Michalczak | 1/2-1/2 | 38 | Open |
| 450 | 2012-09-06 | 11th Kesarovski-Stanchev Mem | Sunny Beach BUL | 6.31 | Thomas Michalczak | Petar Ljangov | 1-0 | 57 | Open |
| 451 | 2012-09-05 | 11th Kesarovski-Stanchev Mem | Sunny Beach BUL | 5.17 | Stefan Manole | Thomas Michalczak | 1-0 | 18 | Open |
| 452 | 2012-09-04 | 11th Kesarovski-Stanchev Mem | Sunny Beach BUL | 4.15 | Thomas Michalczak | Radislav Atanassov | 1/2-1/2 | 33 | Open |
| 453 | 2012-09-03 | 11th Kesarovski-Stanchev Mem | Sunny Beach BUL | 3.2 | Marian Petrov | Thomas Michalczak | 1-0 | 43 | Open |
| 454 | 2012-09-02 | 11th Kesarovski-Stanchev Mem | Sunny Beach BUL | 2.18 | Thomas Michalczak | Stanislav Galicek | 1-0 | 36 | Open |
| 455 | 2012-09-01 | 11th Kesarovski-Stanchev Mem | Sunny Beach BUL | 1.18 | Petr Paldus | Thomas Michalczak | 0-1 | 35 | Open |
| 456 | 2012-08-19 | Husek Vienna Open A | Vienna AUT | 7 | Thomas Michalczak | Olle Algars | 1-0 | 32 | Open |
| 457 | 2012-08-18 | Husek Vienna Open A | Vienna AUT | 6 | Cristian-Daniel Siclovan | Thomas Michalczak | 0-1 | 24 | Open |
| 458 | 2012-08-17 | Husek Vienna Open A | Vienna AUT | 5 | Thomas Michalczak | Zoran Jovanovic | 0-1 | 40 | Open |
| 459 | 2012-08-16 | Husek Vienna Open A | Vienna AUT | 4 | Johann Poecksteiner | Thomas Michalczak | 0-1 | 27 | Open |
| 460 | 2012-08-15 | Husek Vienna Open A | Vienna AUT | 3 | Thomas Michalczak | Rainer Buhmann | 0-1 | 32 | Open |
| 461 | 2012-08-14 | Husek Vienna Open A | Vienna AUT | 2 | Michael Gruber | Thomas Michalczak | 0-1 | 15 | Open |
| 462 | 2012-08-13 | Husek Vienna Open A | Vienna AUT | 1 | Thomas Michalczak | Laura Stoeri | 1-0 | 53 | Open |
| 463 | 2012-07-28 | 23rd Czech Open A | Pardubice CZE | 9.42 | Petr Neuman | Thomas Michalczak | 1-0 | 15 | Open |
| 464 | 2012-07-27 | 23rd Czech Open A | Pardubice CZE | 8.66 | Thomas Michalczak | Enno Eschholz | 1-0 | 53 | Open |
| 465 | 2012-07-26 | 23rd Czech Open A | Pardubice CZE | 7.71 | Peter Bombek | Thomas Michalczak | 1/2-1/2 | 18 | Open |
| 466 | 2012-07-25 | 23rd Czech Open A | Pardubice CZE | 6.37 | Thomas Michalczak | Denes Boros | 0-1 | 79 | Open |
| 467 | 2012-07-24 | 23rd Czech Open A | Pardubice CZE | 5.32 | Tamas Jr. Fodor | Thomas Michalczak | 1/2-1/2 | 34 | Open |
| 468 | 2012-07-23 | 23rd Czech Open A | Pardubice CZE | 4.7 | Thomas Michalczak | Piotr Sabuk | 1-0 | 31 | Open |
| 469 | 2012-07-22 | 23rd Czech Open A | Pardubice CZE | 3.29 | Hjorvar Steinn Gretarsson | Thomas Michalczak | 1-0 | 22 | Open |
| 470 | 2012-07-21 | 23rd Czech Open A | Pardubice CZE | 2.77 | Thomas Michalczak | Pavel Sedy | 1-0 | 34 | Open |
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