Prepare against Nikodem Mrozowski
Poland · World #16,088 classical · FIDE ID 41801733
When preparing against Nikodem Mrozowski, expect 1.e4 in 62% of White games. Against 1.e4 the reply is 1...c5 (70% of games); against 1.d4, 1...Nf6 (100%). Lowest win rate among frequent openings: Sicilian as Black, 40.7% over 27 games.
Our database contains 221 games by Nikodem Mrozowski, covering Sep 2021 to Sep 2026. Below you'll find Nikodem Mrozowski's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Nikodem Mrozowski 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 | 2,095 | 2,113 | Apr 2026 |
| Rapid | 1,965 | 1,965 | Sep 2026 |
| Blitz | 1,817 | 1,878 | Feb 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 221 | 90 | 41 | 90 | 40.7% |
| As White | 113 | 48 | 18 | 47 | 42.5% |
| As Black | 108 | 42 | 23 | 43 | 38.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Nikodem Mrozowski's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Nikodem Mrozowski's side.
First moves as White (113 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 70 | 61.9% | 48.6% |
| d4 | 42 | 37.2% | 52.4% |
| b3 | 1 | 0.9% | 100.0% |
Main lines as White
- 1.e4 — 62% of White games, 48.6% score
- …c5 (40% of these games) — Mrozowski usually continues Nf3 (41.1% score)
- …e6 (23% of these games) — Mrozowski usually continues d4 (46.9% score)
- …e5 (19% of these games) — Mrozowski usually continues Nf3 (69.2% score)
- 1.d4 — 37% of White games, 52.4% score
- …Nf6 (52% of these games) — Mrozowski usually continues c4 (52.3% score)
- …d5 (45% of these games) — Mrozowski usually continues c4 (50.0% score)
- …e6 (2% of these games) — Mrozowski usually continues c4 (100.0% score)
As Black against 1.e4 (63 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 44 | 69.8% | 54.5% |
| c6 | 10 | 15.9% | 45.0% |
| d6 | 7 | 11.1% | 64.3% |
| g6 | 2 | 3.2% | 50.0% |
As Black against 1.d4 (24 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 24 | 100.0% | 50.0% |
Nikodem Mrozowski's chess games
All 221 games by Nikodem Mrozowski in the Chess.ceo database (Sep 2021 - 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: 90 wins, 41 draws, 90 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E06 | Catalan | 22 | 10/4/8 | 45.5% |
| C02 | French: Advance Variation | 11 | 6/0/5 | 54.5% |
| B90 | Sicilian: Najdorf | 9 | 1/1/7 | 11.1% |
| B45 | Sicilian: Four Knights | 5 | 1/1/3 | 20.0% |
| B41 | Sicilian | 5 | 3/0/2 | 60.0% |
| C10 | French: Tarrasch Variation | 5 | 1/1/3 | 20.0% |
| C44 | Ponziani Opening | 4 | 3/1/0 | 75.0% |
| B15 | Caro-Kann: Main Line | 4 | 0/2/2 | 0.0% |
| D30 | Queen's Gambit Declined | 4 | 0/2/2 | 0.0% |
| B12 | Caro-Kann: Advance Variation | 3 | 2/0/1 | 66.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B56 | Sicilian | 27 | 11/5/11 | 40.7% |
| E60 | Indian Defense | 13 | 6/1/6 | 46.2% |
| B52 | Sicilian: Moscow Variation | 11 | 3/5/3 | 27.3% |
| D85 | Grünfeld Defense | 10 | 3/3/4 | 30.0% |
| A15 | English Opening | 9 | 2/4/3 | 22.2% |
| B07 | Pirc Defense | 7 | 4/1/2 | 57.1% |
| B23 | Sicilian: Closed | 6 | 5/0/1 | 83.3% |
| A25 | English Opening: Reverse Sicilian | 4 | 1/1/2 | 25.0% |
| A05 | Réti Opening | 4 | 0/1/3 | 0.0% |
| B13 | Caro-Kann: Exchange Variation | 3 | 1/0/2 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Sep 2026 | Manish Anto Cristiano F | 2,377 | SixDays Open Budapest September 2026 | ? |
| Sep 2026 | Ritvik Krishnan | 2,338 | SixDays Open Budapest September 2026 | A16 |
| Sep 2026 | Peter Polyik | 2,321 | SixDays Open Budapest September 2026 | D81 |
| Jul 2026 | Tomas Andre | 2,245 | 25th European Youth Rapid & Blitz Chess Championship | Blitz | O12 | D30 |
| Oct 2025 | Pune Rahul Kumar | 2,209 | Fagernes GM Swiss Aut | A48 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-POL U10 | 2023 | 18 | 11.5 | 1,245 |
| World Cadets U10 | 2024 | 11 | 6.5 | 1,802 |
| 25th European Youth Rapid & Blitz Chess Championship | Blitz | O12 | 2026 | 10 | 4 | 1,812 |
| 6th Prague Futures | 2024 | 10 | 3.5 | 1,662 |
| Ceske Budejovice Open | 2025 | 9 | 4.5 | 2,073 |
| 30th Hotel Adriatico | 2025 | 9 | 4 | 2,048 |
| Semifinals ch-POL | 2025 | 9 | 4.5 | 2,114 |
| TCh-POL Junior 2026 | 2026 | 9 | 1.5 | 1,908 |
Interactive opening tree from all 221 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Nikodem Mrozowski's chess games?
221 games by Nikodem Mrozowski, from Sep 2021 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 Nikodem Mrozowski has played.
What does Nikodem Mrozowski play on the first move as White?
Across 113 games with White in our database, Nikodem Mrozowski opens with 1.e4 (62% of games), 1.d4 (37% of games), 1.b3 (1% of games). Against 1.e4 as Black, Nikodem Mrozowski answers 1...c5 (70% of games), 1...c6 (16% of games), 1...d6 (11% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Nikodem Mrozowski play as White?
As White, Nikodem Mrozowski's most-played openings in our database are: Catalan (22 games, 45.5% win rate); French: Advance Variation (11 games, 54.5% win rate); Sicilian: Najdorf (9 games, 11.1% win rate). The full breakdown of 113 games with White is in the table above.
What openings does Nikodem Mrozowski play as Black?
As Black, Nikodem Mrozowski most often plays: Sicilian (27 games, 40.7% win rate); Indian Defense (13 games, 46.2% win rate); Sicilian: Moscow Variation (11 games, 27.3% win rate). See the table above for the top ten Black openings across 108 games.
What is Nikodem Mrozowski's FIDE rating?
Nikodem Mrozowski is currently rated 2,095 in classical chess, 1,965 in rapid and 1,817 in blitz. Peak classical rating: 2,113 (Apr 2026).
How many games has Nikodem Mrozowski played?
Our database contains 221 games by Nikodem Mrozowski, covering Sep 2021 to Sep 2026. Overall record: 90 wins, 41 draws, 90 losses (40.7% win rate).
How do I prepare against Nikodem Mrozowski?
221 games by Nikodem Mrozowski 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.