Prepare against Mikolaj Wieczorek
Poland · World #22,545 classical · FIDE ID 21827702
When preparing against Mikolaj Wieczorek, expect 1.e4 in 91% of White games. Against 1.e4 the reply is 1...c5 (86% of games); against 1.d4, 1...Nf6 (86%).
Our database contains 143 games by Mikolaj Wieczorek, covering Oct 2014 to Sep 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 | 2,037 | 2,037 | Sep 2026 |
| Rapid | 1,955 | 2,032 | Oct 2025 |
| Blitz | 1,919 | 1,946 | Jul 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 143 | 53 | 37 | 53 | 37.1% |
| As White | 75 | 29 | 20 | 26 | 38.7% |
| As Black | 68 | 24 | 17 | 27 | 35.3% |
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 (75 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 68 | 90.7% | 52.2% |
| d4 | 6 | 8.0% | 41.7% |
| Nf3 | 1 | 1.3% | 100.0% |
Main lines as White
- 1.e4 — 91% of White games, 52.2% score
- …e5 (29% of these games) — Wieczorek usually continues Nf3 (38.9% score)
- …c5 (24% of these games) — Wieczorek usually continues Nf3 (62.5% score)
- …e6 (18% of these games) — Wieczorek usually continues d4 (37.5% score)
- 1.d4 — 8% of White games, 41.7% score
- …d5 (50% of these games) — Wieczorek usually continues c4 (50.0% score)
- …Nf6 (33% of these games) — Wieczorek usually continues Nf3 (0.0% score)
- …d6 (17% of these games) — Wieczorek usually continues e4 (0.0% score)
As Black against 1.e4 (28 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 24 | 85.7% | 52.1% |
| e5 | 4 | 14.3% | 25.0% |
As Black against 1.d4 (28 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 24 | 85.7% | 43.8% |
| e6 | 3 | 10.7% | 16.7% |
| c5 | 1 | 3.6% | 100.0% |
Mikolaj Wieczorek's chess games
All 143 games by Mikolaj Wieczorek in the Chess.ceo database (Oct 2014 - Sep 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: 53 wins, 37 draws, 53 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C45 | Scotch Game | 13 | 2/5/6 | 15.4% |
| B12 | Caro-Kann: Advance Variation | 7 | 4/3/0 | 57.1% |
| B40 | Sicilian | 6 | 3/3/0 | 50.0% |
| C02 | French: Advance Variation | 6 | 2/3/1 | 33.3% |
| C06 | French: Tarrasch Variation | 5 | 0/0/5 | 0.0% |
| 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 | 10 | 4/1/5 | 40.0% |
| B32 | Sicilian | 7 | 3/2/2 | 42.9% |
| E11 | Bogo-Indian Defense | 4 | 3/0/1 | 75.0% |
| B31 | Sicilian: Rossolimo | 4 | 2/0/2 | 50.0% |
| A46 | Indian Defense | 3 | 0/1/2 | 0.0% |
| B90 | Sicilian: Najdorf | 3 | 0/2/1 | 0.0% |
| B25 | Sicilian: Closed | 3 | 1/0/2 | 33.3% |
| A05 | Réti Opening | 2 | 2/0/0 | 100.0% |
| A05 | Réti Opening: Symmetrical Defense | 2 | 0/1/1 | 0.0% |
| A33 | English Opening | 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 | Stefan 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 |
| Adolf Anderssen Chess Festival 2026 - OPEN B | 2026 | 9 | 6.5 | 2,080 |
| 54th Rubinstein Memorial A | 2018 | 9 | 3.5 | 1,770 |
| 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 |
Interactive opening tree from all 143 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Mikolaj Wieczorek's chess games?
143 games by Mikolaj Wieczorek, from Oct 2014 to Sep 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 75 games with White in our database, Mikolaj Wieczorek opens with 1.e4 (91% of games), 1.d4 (8% of games), 1.Nf3 (1% of games). Against 1.e4 as Black, Mikolaj Wieczorek answers 1...c5 (86% of games), 1...e5 (14% of games). Against 1.d4: 1...Nf6 (86% of games), 1...e6 (11% 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); Caro-Kann: Advance Variation (7 games, 57.1% win rate); Sicilian (6 games, 50.0% win rate). The full breakdown of 75 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 (10 games, 40.0% win rate); Sicilian (7 games, 42.9% win rate); Bogo-Indian Defense (4 games, 75.0% win rate). See the table above for the top ten Black openings across 68 games.
What is Mikolaj Wieczorek's FIDE rating?
Mikolaj Wieczorek is currently rated 2,037 in classical chess, 1,955 in rapid and 1,919 in blitz. Peak classical rating: 2,037 (Sep 2026).
How many games has Mikolaj Wieczorek played?
Our database contains 143 games by Mikolaj Wieczorek, covering Oct 2014 to Sep 2026. Overall record: 53 wins, 37 draws, 53 losses (37.1% win rate).
How do I prepare against Mikolaj Wieczorek?
143 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.