GMOskar Wieczorek
PolandBorn 1994FIDE ID 1133950
Oskar Wieczorek is a grandmaster from Poland. On FIDE's November 2026 list Oskar Wieczorek is ranked #613 in the world in classical chess with a rating of 2495.
Classical
2495
World #613 0
Rapid
2324
World #2041 −15
Blitz
2362
World #1432 0
#25 in Poland2499 12-month high (October 2025)FIDE list: November 2026
Rating history
ClassicalRapidBlitz
Results in broadcast events
Games 4Score 38%Avg. opponent 2021White +1 =1 −0Black +0 =0 −2
WLLD
| Result | Opponent | Rtg |
|---|---|---|
| W | Bilochenko, Matvii | 2044 |
| L | Pekala, Dawid | 2027 |
| L | CMOskar Kiszkiel | 2147 |
| D | Bartoszewicz, Marcin | 1867 |
Openings as White
- King's Indian Attack1 game, 100%
- Four Knights Game1 game, 50%
Openings as Black
- Sicilian Defense1 game, 0%
- King's Indian Defense1 game, 0%
Results come from tournaments broadcast on ChessTerra events, not a full career record.
Match odds
Ratings and ranks from FIDE's official November 2026 list, updated on the 1st of each month.