Prepare against Mikolaj Wieczorek
Poland · World #24,359 classical · FIDE ID 21827702
Our database contains 134 games by Mikolaj Wieczorek, covering Oct 2014 to Aug 2026. Below you'll find Mikolaj Wieczorek's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Mikolaj 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 | 2,023 | 2,023 | Aug 2026 |
| Rapid | 1,955 | 2,032 | Oct 2025 |
| Blitz | 1,940 | 1,946 | Jul 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 134 | 51 | 32 | 51 | 38.1% |
| As White | 70 | 27 | 17 | 26 | 38.6% |
| As Black | 64 | 24 | 15 | 25 | 37.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Mikolaj Wieczorek's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Mikolaj Wieczorek's side.
First moves as White (70 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 64 | 91.4% | 50.8% |
| d4 | 5 | 7.1% | 40.0% |
| Nf3 | 1 | 1.4% | 100.0% |
Main lines as White
- 1.e4 — 91% of White games, 50.8% score
- …e5 (31% of these games) — Wieczorek usually continues Nf3 (38.9% score)
- …c5 (23% of these games) — Wieczorek usually continues Nf3 (63.3% score)
- …e6 (17% of these games) — Wieczorek usually continues d4 (31.8% score)
- 1.d4 — 7% of White games, 40.0% score
- …d5 (40% of these games) — Wieczorek usually continues c4 (50.0% score)
- …Nf6 (40% of these games) — Wieczorek usually continues Nf3 (0.0% score)
- …d6 (20% of these games) — Wieczorek usually continues e4 (0.0% score)
As Black against 1.e4 (27 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 24 | 88.9% | 52.1% |
| e5 | 3 | 11.1% | 33.3% |
As Black against 1.d4 (25 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 21 | 84.0% | 42.9% |
| e6 | 3 | 12.0% | 16.7% |
| c5 | 1 | 4.0% | 100.0% |
Mikolaj Wieczorek's chess games
All 134 games by Mikolaj Wieczorek in the Chess.ceo database (Oct 2014 - Aug 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: 51 wins, 32 draws, 51 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C45 | Scotch Game | 13 | 2/5/6 | 15.4% |
| B40 | Sicilian | 6 | 3/3/0 | 50.0% |
| C02 | French: Advance Variation | 5 | 1/3/1 | 20.0% |
| C06 | French: Tarrasch Variation | 5 | 0/0/5 | 0.0% |
| B12 | Caro-Kann: Advance Variation | 5 | 3/2/0 | 60.0% |
| B96 | Sicilian: Najdorf | 4 | 2/1/1 | 50.0% |
| B09 | Pirc Defense | 3 | 2/0/1 | 66.7% |
| A40 | Modern Defense | 2 | 1/0/1 | 50.0% |
| B01 | Scandinavian Defense: Main Line | 2 | 1/0/1 | 50.0% |
| B19 | Caro-Kann: Classical | 2 | 2/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A43 | Benoni Defense | 9 | 4/0/5 | 44.4% |
| B32 | Sicilian | 7 | 3/2/2 | 42.9% |
| B31 | Sicilian: Rossolimo | 4 | 2/0/2 | 50.0% |
| E11 | Bogo-Indian Defense | 3 | 3/0/0 | 100.0% |
| A46 | Indian Defense | 3 | 0/1/2 | 0.0% |
| B25 | Sicilian: Closed | 3 | 1/0/2 | 33.3% |
| B90 | Sicilian: Najdorf | 3 | 0/2/1 | 0.0% |
| A05 | Réti Opening | 2 | 2/0/0 | 100.0% |
| A33 | English Opening | 2 | 0/1/1 | 0.0% |
| A06 | Horwitz Defense | 2 | 0/1/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2018 | Lukasz Butkiewicz | 2,444 | Wroclaw Anderssen Memorial Open | A61 |
| Aug 2025 | S Djuric | 2,255 | Adolf Anderssen Mem | C45 |
| Jun 2022 | Jan Wojdak | 2,144 | 1st chT-POL U18 | B12 |
| Sep 2023 | Damian Markowski | 2,098 | POL-chT 2nd League | A61 |
| Sep 2023 | Boguslaw Kuma | 2,073 | POL-chT 2nd League | B59 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| POL-chT 2nd League | 2024 | 14 | 6 | 2,049 |
| Adolf Anderssen Mem | 2025 | 9 | 5.5 | 2,057 |
| chT-POL 2nd League | 2025 | 9 | 7 | 2,086 |
| 14th Lazy Baltic Pearl Open | 2018 | 9 | 4 | 1,815 |
| Wroclaw Open B | 2025 | 9 | 6 | 2,028 |
| Wroclaw Anderssen Memorial Open B | 2023 | 9 | 5.5 | 1,768 |
| Adolf Anderssen Chess Festival 2026 - OPEN B | 2026 | 9 | 6.5 | 2,080 |
| 54th Rubinstein Memorial A | 2018 | 9 | 3.5 | 1,770 |
Interactive opening tree from all 134 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Mikolaj Wieczorek's chess games?
134 games by Mikolaj Wieczorek, from Oct 2014 to Aug 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 Mikolaj Wieczorek has played.
What does Mikolaj Wieczorek play on the first move as White?
Across 70 games with White in our database, Mikolaj Wieczorek opens with 1.e4 (91% of games), 1.d4 (7% of games), 1.Nf3 (1% of games). Against 1.e4 as Black, Mikolaj Wieczorek answers 1...c5 (89% of games), 1...e5 (11% of games). Against 1.d4: 1...Nf6 (84% of games), 1...e6 (12% of games), 1...c5 (4% of games).
What openings does Mikolaj Wieczorek play as White?
As White, Mikolaj Wieczorek's most-played openings in our database are: Scotch Game (13 games, 15.4% win rate); Sicilian (6 games, 50.0% win rate); French: Advance Variation (5 games, 20.0% win rate). The full breakdown of 70 games with White is in the table above.
What openings does Mikolaj Wieczorek play as Black?
As Black, Mikolaj Wieczorek most often plays: Benoni Defense (9 games, 44.4% win rate); Sicilian (7 games, 42.9% win rate); Sicilian: Rossolimo (4 games, 50.0% win rate). See the table above for the top ten Black openings across 64 games.
What is Mikolaj Wieczorek's FIDE rating?
Mikolaj Wieczorek is currently rated 2,023 in classical chess, 1,955 in rapid and 1,940 in blitz. Peak classical rating: 2,023 (Aug 2026).
How many games has Mikolaj Wieczorek played?
Our database contains 134 games by Mikolaj Wieczorek, covering Oct 2014 to Aug 2026. Overall record: 51 wins, 32 draws, 51 losses (38.1% win rate).
How do I prepare against Mikolaj Wieczorek?
134 games by Mikolaj 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.