Prepare against Bartosz Kotarski
Poland · World #28,107 classical · FIDE ID 1159267
Our database contains 114 games by Bartosz Kotarski, covering Nov 2009 to Aug 2026. Below you'll find Bartosz Kotarski's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Bartosz Kotarski 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 | 1,997 | 2,043 | Mar 2025 |
| Rapid | 2,178 | 2,191 | Jul 2026 |
| Blitz | 2,056 | 2,057 | Mar 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 114 | 53 | 11 | 50 | 46.5% |
| As White | 53 | 28 | 3 | 22 | 52.8% |
| As Black | 61 | 25 | 8 | 28 | 41.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Bartosz Kotarski's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Bartosz Kotarski's side.
First moves as White (53 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 49 | 92.5% | 57.1% |
| c4 | 2 | 3.8% | 25.0% |
| d4 | 1 | 1.9% | 100.0% |
| b4 | 1 | 1.9% | 0.0% |
Main lines as White
- 1.e4 — 92% of White games, 57.1% score
- …c5 (35% of these games) — Kotarski usually continues Nf3 (58.3% score)
- …e5 (31% of these games) — Kotarski usually continues Nf3 (54.5% score)
- …e6 (18% of these games) — Kotarski usually continues d4 (75.0% score)
- 1.c4 — 4% of White games, 25.0% score
- …Nf6 (50% of these games) — Kotarski usually continues Nf3 (50.0% score)
- …e5 (50% of these games) — Kotarski usually continues Nc3 (0.0% score)
As Black against 1.e4 (35 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 33 | 94.3% | 47.0% |
| e5 | 1 | 2.9% | 0.0% |
| e6 | 1 | 2.9% | 100.0% |
As Black against 1.d4 (18 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 14 | 77.8% | 42.9% |
| c5 | 4 | 22.2% | 50.0% |
Bartosz Kotarski's chess games
All 114 games by Bartosz Kotarski in the Chess.ceo database (Nov 2009 - 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: 53 wins, 11 draws, 50 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B28 | Sicilian | 6 | 2/0/4 | 33.3% |
| C77 | Ruy Lopez: Morphy Defense | 5 | 4/0/1 | 80.0% |
| C03 | French: Tarrasch Variation | 4 | 2/0/2 | 50.0% |
| B25 | Sicilian: Closed | 4 | 1/1/2 | 25.0% |
| C44 | Scotch Game | 3 | 2/0/1 | 66.7% |
| B84 | Sicilian: Najdorf | 2 | 2/0/0 | 100.0% |
| B42 | French Defense | 2 | 2/0/0 | 100.0% |
| C16 | French: Winawer Variation | 2 | 2/0/0 | 100.0% |
| A21 | English Opening: Reverse Sicilian | 1 | 0/0/1 | 0.0% |
| A16 | English Opening | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 17 | 5/4/8 | 29.4% |
| D86 | Grünfeld Defense | 7 | 2/1/4 | 28.6% |
| B80 | Sicilian: Scheveningen | 6 | 3/0/3 | 50.0% |
| E61 | Indian Defense | 4 | 1/0/3 | 25.0% |
| B22 | Sicilian: Alapin | 3 | 0/1/2 | 0.0% |
| E60 | King's Indian Defense | 3 | 2/1/0 | 66.7% |
| A44 | Benoni Defense | 3 | 2/0/1 | 66.7% |
| A32 | English Opening | 2 | 1/1/0 | 50.0% |
| B26 | Sicilian: Closed | 2 | 2/0/0 | 100.0% |
| A08 | Réti Opening | 2 | 1/0/1 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Sep 2022 | Filip Barglowski | 2,321 | ch-POL blitz | B81 |
| Jan 2026 | Jan Butkiewicz | 2,198 | Turniej o Puchar Burmistrza Augustowa (OPEN) - Artefactum Games - Wojna Umysłów | C03 |
| Sep 2022 | Krzysztof Budrewicz | 2,192 | ch-POL blitz | B00 |
| Dec 2024 | Marcin Pietruszewski | 2,187 | 43rd Ludwika Zamenhofa Mem | B42 |
| Dec 2024 | Wojciech Borowik | 2,087 | 43rd Ludwika Zamenhofa Mem | E60 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-POL U10 | 2009 | 11 | 6 | – |
| Turniej o Puchar Burmistrza Augustowa (OPEN) - Artefactum Games - Wojna Umysłów | 2026 | 9 | 6.5 | 2,082 |
| Bialystok Zamenhof Memorial | 2013 | 9 | 8.5 | 1,789 |
| POL Olympiad U14 | 2013 | 9 | 4 | 1,635 |
| 6th Lazy Baltic Pearl Open B | 2010 | 9 | 4.5 | 1,557 |
| Lomza Open | 2010 | 9 | 4 | 1,781 |
| 4th Sokolka Open | 2013 | 9 | 4 | 1,870 |
| 5th Sokolka Open | 2014 | 9 | 5.5 | 1,790 |
Interactive opening tree from all 114 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Bartosz Kotarski's chess games?
114 games by Bartosz Kotarski, from Nov 2009 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 Bartosz Kotarski has played.
What does Bartosz Kotarski play on the first move as White?
Across 53 games with White in our database, Bartosz Kotarski opens with 1.e4 (92% of games), 1.c4 (4% of games), 1.d4 (2% of games). Against 1.e4 as Black, Bartosz Kotarski answers 1...c5 (94% of games), 1...e5 (3% of games), 1...e6 (3% of games). Against 1.d4: 1...Nf6 (78% of games), 1...c5 (22% of games).
What openings does Bartosz Kotarski play as White?
As White, Bartosz Kotarski's most-played openings in our database are: Sicilian (6 games, 33.3% win rate); Ruy Lopez: Morphy Defense (5 games, 80.0% win rate); French: Tarrasch Variation (4 games, 50.0% win rate). The full breakdown of 53 games with White is in the table above.
What openings does Bartosz Kotarski play as Black?
As Black, Bartosz Kotarski most often plays: Sicilian (17 games, 29.4% win rate); Grünfeld Defense (7 games, 28.6% win rate); Sicilian: Scheveningen (6 games, 50.0% win rate). See the table above for the top ten Black openings across 61 games.
What is Bartosz Kotarski's FIDE rating?
Bartosz Kotarski is currently rated 1,997 in classical chess, 2,178 in rapid and 2,056 in blitz. Peak classical rating: 2,043 (Mar 2025).
How many games has Bartosz Kotarski played?
Our database contains 114 games by Bartosz Kotarski, covering Nov 2009 to Aug 2026. Overall record: 53 wins, 11 draws, 50 losses (46.5% win rate).
How do I prepare against Bartosz Kotarski?
114 games by Bartosz Kotarski 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.