Oskar Wieczorek

Country

POL

Birth Year

1994

Gender

M

Title

Grandmaster

FIDE ID

1133950

FIDE ratings

2495

Classical

Published FIDE

2339

Rapid

Published FIDE

2362

Blitz

Published FIDE

Official classical ranks

World rank
#609
National rank · POL
#25

Active players · Oct 2026 FIDE list ⓘ

FIDE rating history

Highest recorded rating
2512 May 2023
Recorded years
2004–2026
Archived games
1593

Based on available monthly lists and saved games.

FIDE rating history

Published rating lists through Oct 2026.

View rating lists
Available Games

Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-13 (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
351 2023-06-13 Titled Tue 13th Jun Late chess.com INT 4 Oskar Wieczorek Jonathan Carlstedt 1-0 43 Open
352 2023-06-13 Titled Tue 13th Jun Late chess.com INT 3 Sergei Zhigalko Oskar Wieczorek 1-0 45 Open
353 2023-06-13 Titled Tue 13th Jun Late chess.com INT 2 Oskar Wieczorek Joao Avalos Parra 1-0 42 Open
354 2023-06-13 Titled Tue 13th Jun Late chess.com INT 1 Santiago Rodriguez Oskar Wieczorek 0-1 30 Open
355 2023-06-07 Rapid Chess Superleague Poland POL 9.2 Oskar Wieczorek Wojciech Moranda 0-1 64 Open
356 2023-06-07 Rapid Chess Superleague Poland POL 8.2 Martin Neugebauer Oskar Wieczorek 1-0 47 Open
357 2023-06-07 Rapid Chess Superleague Poland POL 10.2 Michal Koziorowicz Oskar Wieczorek 0-1 45 Open
358 2023-05-29 32nd Chicago Open 2023 Chicago USA 8 Oskar Wieczorek Michael Mulyar 1/2-1/2 21 Open
359 2023-05-28 32nd Chicago Open 2023 Chicago USA 7.4 Jianchao Zhou Oskar Wieczorek 1/2-1/2 68 Open
360 2023-05-27 32nd Chicago Open 2023 Chicago USA 5.3 Ehsan Ghaem Maghami Oskar Wieczorek 1-0 18 Open
361 2023-05-26 32nd Chicago Open 2023 Chicago USA 2.4 Oskar Wieczorek Gunnar Andersen 1/2-1/2 43 Open
362 2023-05-09 Titled Tue 9th May Late chess.com INT 9 Oskar Wieczorek Renato Terry 0-1 37 Open
363 2023-05-09 Titled Tue 9th May Late chess.com INT 8 Vugar Rasulov Oskar Wieczorek 0-1 26 Open
364 2023-05-09 Titled Tue 9th May Early chess.com INT 7 Anton Demchenko Oskar Wieczorek 1-0 108 Open
365 2023-05-09 Titled Tue 9th May Late chess.com INT 7 Oskar Wieczorek Sergey Grigoriants 1-0 45 Open
366 2023-05-09 Titled Tue 9th May Late chess.com INT 6 Gata Kamsky Oskar Wieczorek 1/2-1/2 66 Open
367 2023-05-09 Titled Tue 9th May Early chess.com INT 6 Oskar Wieczorek Pavel Chernomordik 1-0 31 Open
368 2023-05-09 Titled Tue 9th May Late chess.com INT 5 Shant Sargsyan Oskar Wieczorek 1-0 48 Open
369 2023-05-09 Titled Tue 9th May Early chess.com INT 5 Mihnea Costachi Oskar Wieczorek 1-0 50 Open
370 2023-05-09 Titled Tue 9th May Early chess.com INT 4 Oskar Wieczorek Florian Gatterer 1-0 57 Open
371 2023-05-09 Titled Tue 9th May Late chess.com INT 4 Oskar Wieczorek Jeffery Xiong 1-0 24 Open
372 2023-05-09 Titled Tue 9th May Early chess.com INT 3 Luis David Jimenez Almeida Oskar Wieczorek 0-1 59 Open
373 2023-05-09 Titled Tue 9th May Late chess.com INT 3 Oskar Wieczorek Martyn Kravtsiv 1-0 31 Open
374 2023-05-09 Titled Tue 9th May Late chess.com INT 2 Dejan N Djordjevic Oskar Wieczorek 0-1 30 Open
375 2023-05-09 Titled Tue 9th May Early chess.com INT 2 Oskar Wieczorek Esper Van Baar 0-1 39 Open
376 2023-05-09 Titled Tue 9th May Early chess.com INT 1 Araz Basim Mohammed S Al-Saffar Oskar Wieczorek 0-1 41 Open
377 2023-05-09 Titled Tue 9th May Late chess.com INT 1 Oskar Wieczorek Oscar Humberto Ardila 1-0 81 Open
378 2023-05-09 Titled Tue 9th May Late chess.com INT 11 Oskar Wieczorek Christopher Woojin Yoo 0-1 59 Open
379 2023-05-09 Titled Tue 9th May Late chess.com INT 10 Li Min Peng Oskar Wieczorek 0-1 38 Open
380 2023-05-02 Titled Tue 2nd May Late chess.com INT 8 Kanan Hajiyev Oskar Wieczorek 1-0 23 Open
381 2023-05-02 Titled Tue 2nd May Late chess.com INT 7 Oskar Wieczorek Mahammad Muradli 0-1 55 Open
382 2023-05-02 Titled Tue 2nd May Late chess.com INT 6 Oskar Wieczorek Viktor Shapiro 1-0 25 Open
383 2023-05-02 Titled Tue 2nd May Late chess.com INT 5 Danila Bilan Oskar Wieczorek 0-1 25 Open
384 2023-05-02 Titled Tue 2nd May Late chess.com INT 4 Oskar Wieczorek Dion Krivenko 1-0 41 Open
385 2023-05-02 Titled Tue 2nd May Late chess.com INT 3 Mathias Womacka Oskar Wieczorek 1-0 52 Open
386 2023-05-02 Titled Tue 2nd May Late chess.com INT 2 Mihael Ankerst Oskar Wieczorek 0-1 52 Open
387 2023-05-02 Titled Tue 2nd May Late chess.com INT 1 Oskar Wieczorek Mohammed Seder 0-1 48 Open
388 2023-04-25 Titled Tue 25th Apr Early chess.com INT 9 Pavel Eljanov Oskar Wieczorek 1-0 23 Open
389 2023-04-25 Titled Tue 25th Apr Early chess.com INT 8 Oskar Wieczorek Igor Janik 1-0 30 Open
390 2023-04-25 Titled Tue 25th Apr Early chess.com INT 7 Grigor Grigorov Oskar Wieczorek 0-1 56 Open
391 2023-04-25 Titled Tue 25th Apr Early chess.com INT 6 Oskar Wieczorek Guha Mitrabha 0-1 40 Open
392 2023-04-25 Titled Tue 25th Apr Early chess.com INT 5 Vasif Durarbayli Oskar Wieczorek 0-1 32 Open
393 2023-04-25 Titled Tue 25th Apr Early chess.com INT 4 Oskar Wieczorek Alikhon Avazkhonov 1-0 57 Open
394 2023-04-25 Titled Tue 25th Apr Early chess.com INT 3 Jakob Postlmayer Oskar Wieczorek 0-1 46 Open
395 2023-04-25 Titled Tue 25th Apr Late chess.com INT 3 Oskar Wieczorek Jose Barria 0-1 42 Open
396 2023-04-25 Titled Tue 25th Apr Late chess.com INT 2 David Bernat Oskar Wieczorek 0-1 38 Open
397 2023-04-25 Titled Tue 25th Apr Early chess.com INT 2 Oskar Wieczorek Fabiano Caruana 0-1 22 Open
398 2023-04-25 Titled Tue 25th Apr Late chess.com INT 1 Oskar Wieczorek Galina Novikova 1/2-1/2 60 Open
399 2023-04-25 Titled Tue 25th Apr Early chess.com INT 1 Oskar Wieczorek Nurai Sovetbekova 1-0 29 Open
400 2023-04-25 Titled Tue 25th Apr Early chess.com INT 11 Sergey Grigoriants Oskar Wieczorek 1-0 34 Open

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