Prepare against Oskar Wieczorek
GM · Poland · World #624 classical · FIDE ID 1133950
Our database contains 2,393 games by Oskar Wieczorek, covering Oct 2004 to Jul 2026. Below you'll find Oskar Wieczorek's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Oskar Wieczorek before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 2,495 | 2,512 | May 2023 |
| Rapid | 2,334 | 2,428 | Jan 2019 |
| Blitz | 2,387 | 2,444 | Apr 2019 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 2,393 | 1,120 | 478 | 794 | 46.8% |
| As White | 1,188 | 604 | 224 | 359 | 50.8% |
| As Black | 1,205 | 516 | 254 | 435 | 42.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Oskar Wieczorek's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Oskar Wieczorek's side.
First moves as White (1,188 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 1,014 | 85.4% | 60.6% |
| c4 | 79 | 6.6% | 57.6% |
| Nf3 | 42 | 3.5% | 73.8% |
| d4 | 19 | 1.6% | 52.6% |
| b3 | 11 | 0.9% | 50.0% |
| Nc3 | 11 | 0.9% | 45.5% |
Main lines as White
- 1.e4 — 85% of White games, 60.6% score
- …c5 (42% of these games) — Wieczorek usually continues Nf3 (60.7% score)
- …e5 (22% of these games) — Wieczorek usually continues Nf3 (59.3% score)
- …c6 (11% of these games) — Wieczorek usually continues d4 (68.3% score)
- 1.c4 — 7% of White games, 57.6% score
- …Nf6 (34% of these games) — Wieczorek usually continues g3 (70.0% score)
- …e5 (27% of these games) — Wieczorek usually continues g3 (59.1% score)
- …e6 (18% of these games) — Wieczorek usually continues g3 (40.0% score)
As Black against 1.e4 (587 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 452 | 77.0% | 57.5% |
| e5 | 42 | 7.2% | 44.0% |
| e6 | 38 | 6.5% | 52.6% |
| d6 | 31 | 5.3% | 46.8% |
| c6 | 13 | 2.2% | 53.8% |
| g6 | 8 | 1.4% | 43.8% |
As Black against 1.d4 (368 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 321 | 87.2% | 55.3% |
| g6 | 21 | 5.7% | 50.0% |
| d5 | 16 | 4.3% | 40.6% |
| c5 | 3 | 0.8% | 33.3% |
| d6 | 2 | 0.5% | 50.0% |
| e6 | 2 | 0.5% | 25.0% |
Oskar Wieczorek's chess games
All 2,393 games by Oskar Wieczorek in the Chess.ceo database (Oct 2004 - Jul 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 1,120 wins, 478 draws, 794 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B30 | Sicilian | 206 | 104/32/70 | 50.5% |
| B90 | Sicilian: Najdorf | 115 | 60/18/37 | 52.2% |
| C47 | Four Knights Game | 98 | 56/12/30 | 57.1% |
| C05 | French: Tarrasch Variation | 64 | 35/9/20 | 54.7% |
| B15 | Caro-Kann: Main Line | 44 | 30/1/13 | 68.2% |
| C91 | Ruy Lopez: Closed | 36 | 14/12/10 | 38.9% |
| B70 | Sicilian: Dragon | 34 | 22/3/9 | 64.7% |
| B06 | Modern Defense | 33 | 14/3/16 | 42.4% |
| A13 | English Opening | 31 | 17/3/11 | 54.8% |
| B18 | Caro-Kann: Classical | 27 | 17/4/6 | 63.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 217 | 105/42/70 | 48.4% |
| A57 | Benoni Defense | 115 | 59/22/34 | 51.3% |
| A31 | English Opening | 94 | 31/24/39 | 33.0% |
| B81 | Sicilian: Scheveningen | 87 | 47/15/25 | 54.0% |
| A48 | Indian Defense | 73 | 26/20/27 | 35.6% |
| B23 | Sicilian: Closed | 52 | 27/7/18 | 51.9% |
| B06 | Modern Defense | 39 | 16/4/19 | 41.0% |
| A37 | English Opening: Symmetrical | 38 | 17/9/12 | 44.7% |
| B07 | Pirc Defense | 31 | 9/11/11 | 29.0% |
| A37 | Réti Opening | 29 | 14/6/9 | 48.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Feb 2022 | Ian Nepomniachtchi | 2,773 | Titled Tue | B90 |
| May 2023 | Jeffery Xiong | 2,692 | Titled Tue Late | B25 |
| Jan 2019 | Gawain C B Maroroa Jones | 2,691 | Titled Tue | A36 |
| Jul 2023 | David Anton Guijarro | 2,691 | Titled Tue Late | B12 |
| Apr 2024 | Sanan Sjugirov | 2,689 | Titled Tue Late | B15 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2025 | 1,173 | 635.5 | 2,389 |
| chT-POL | 2018 | 37 | 20.5 | 2,444 |
| ch-EU Blitz | 2022 | 36 | 23.5 | 2,408 |
| ch-EU rapid | 2017 | 32 | 14.5 | 2,376 |
| Wroclaw Anderssen Memorial Open | 2021 | 29 | 21 | 2,419 |
| ch-EU Rapid | 2022 | 22 | 15.5 | 2,387 |
| ch-POL U16 | 2010 | 22 | 15 | 2,146 |
| Wch Blitz | 2021 | 21 | 8.5 | 2,344 |
Frequent opponents
Head-to-head records: Daniel Sadzikowski (18 games) · Marcel Kanarek (13 games) · Rasmus Svane (12 games) · Marcin Krzyzanowski (10 games) · Maciej Klekowski (10 games) · Piotr Sabuk (10 games)
Interactive opening tree from all 2,393 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Oskar Wieczorek's chess games?
2,393 games by Oskar Wieczorek, from Oct 2004 to Jul 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Oskar Wieczorek has played.
What does Oskar Wieczorek play on the first move as White?
Across 1,188 games with White in our database, Oskar Wieczorek opens with 1.e4 (85% of games), 1.c4 (7% of games), 1.Nf3 (4% of games). Against 1.e4 as Black, Oskar Wieczorek answers 1...c5 (77% of games), 1...e5 (7% of games), 1...e6 (6% of games). Against 1.d4: 1...Nf6 (87% of games), 1...g6 (6% of games), 1...d5 (4% of games).
What openings does Oskar Wieczorek play as White?
As White, Oskar Wieczorek's most-played openings in our database are: Sicilian (206 games, 50.5% win rate); Sicilian: Najdorf (115 games, 52.2% win rate); Four Knights Game (98 games, 57.1% win rate). The full breakdown of 1,188 games with White is in the table above.
What openings does Oskar Wieczorek play as Black?
As Black, Oskar Wieczorek most often plays: Sicilian (217 games, 48.4% win rate); Benoni Defense (115 games, 51.3% win rate); English Opening (94 games, 33.0% win rate). See the table above for the top ten Black openings across 1,205 games.
What is Oskar Wieczorek's FIDE rating?
Oskar Wieczorek is currently rated 2,495 in classical chess, 2,334 in rapid and 2,387 in blitz. Peak classical rating: 2,512 (May 2023).
How many games has Oskar Wieczorek played?
Our database contains 2,393 games by Oskar Wieczorek, covering Oct 2004 to Jul 2026. Overall record: 1,120 wins, 478 draws, 794 losses (46.8% win rate).
How do I prepare against Oskar Wieczorek?
2,393 games by Oskar Wieczorek reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.