Prepare against Marcin Chojnowski
Poland · World #18,766 classical · FIDE ID 1121456
Our database contains 342 games by Marcin Chojnowski, covering Apr 2003 to Aug 2026. Below you'll find Marcin Chojnowski's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Marcin Chojnowski 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 | 2,068 | 2,217 | Oct 2005 |
| Rapid | 2,024 | 2,097 | Nov 2014 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 342 | 149 | 59 | 134 | 43.6% |
| As White | 167 | 76 | 25 | 66 | 45.5% |
| As Black | 175 | 73 | 34 | 68 | 41.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Marcin Chojnowski's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Marcin Chojnowski's side.
First moves as White (167 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 135 | 80.8% | 50.4% |
| d4 | 30 | 18.0% | 65.0% |
| Nf3 | 1 | 0.6% | 50.0% |
| c4 | 1 | 0.6% | 50.0% |
Main lines as White
- 1.e4 — 81% of White games, 50.4% score
- …c5 (48% of these games) — Chojnowski usually continues Nf3 (50.8% score)
- …c6 (13% of these games) — Chojnowski usually continues d4 (58.3% score)
- …e5 (12% of these games) — Chojnowski usually continues Nf3 (76.7% score)
- 1.d4 — 18% of White games, 65.0% score
- …Nf6 (53% of these games) — Chojnowski usually continues Nf3 (50.0% score)
- …d5 (27% of these games) — Chojnowski usually continues Nf3 (75.0% score)
- …g6 (10% of these games) — Chojnowski usually continues Nf3 (75.0% score)
As Black against 1.e4 (91 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 59 | 64.8% | 52.5% |
| e6 | 25 | 27.5% | 40.0% |
| c6 | 5 | 5.5% | 70.0% |
| e5 | 1 | 1.1% | 100.0% |
| d6 | 1 | 1.1% | 50.0% |
As Black against 1.d4 (41 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 31 | 75.6% | 56.5% |
| d5 | 7 | 17.1% | 42.9% |
| f5 | 2 | 4.9% | 50.0% |
| c5 | 1 | 2.4% | 100.0% |
Marcin Chojnowski's chess games
All 342 games by Marcin Chojnowski in the Chess.ceo database (Apr 2003 - 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: 149 wins, 59 draws, 134 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B32 | Sicilian | 33 | 12/6/15 | 36.4% |
| B90 | Sicilian: Najdorf | 14 | 8/1/5 | 57.1% |
| B04 | Alekhine Defense | 10 | 1/2/7 | 10.0% |
| E01 | Catalan | 9 | 7/0/2 | 77.8% |
| B01 | Scandinavian Defense: Main Line | 8 | 3/1/4 | 37.5% |
| B30 | Sicilian: Rossolimo | 7 | 3/0/4 | 42.9% |
| B27 | Modern Defense | 6 | 4/2/0 | 66.7% |
| C89 | Ruy Lopez: Closed | 5 | 3/0/2 | 60.0% |
| B11 | Caro-Kann: Two Knights Variation | 5 | 2/2/1 | 40.0% |
| C18 | French: Winawer Variation | 5 | 0/0/5 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B90 | Sicilian: Najdorf | 18 | 8/2/8 | 44.4% |
| B50 | Sicilian | 13 | 6/3/4 | 46.2% |
| B23 | Sicilian: Closed | 9 | 3/3/3 | 33.3% |
| E94 | King's Indian Defense: Orthodox Variation | 9 | 4/3/2 | 44.4% |
| C06 | French: Tarrasch Variation | 8 | 1/3/4 | 12.5% |
| A57 | Benoni Defense | 8 | 6/1/1 | 75.0% |
| B33 | Sicilian: Sveshnikov | 7 | 2/3/2 | 28.6% |
| A26 | English Opening | 7 | 3/0/4 | 42.9% |
| A07 | Réti Opening | 6 | 1/2/3 | 16.7% |
| E62 | King's Indian Defense | 5 | 1/0/4 | 20.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2004 | Piotr Dukaczewski | 2,353 | ch-POL blind 33rd | A08 |
| Jun 2004 | Ryszard Suder | 2,270 | ch-POL blind 33rd | C92 |
| Jun 2010 | Rafal Gunajew | 2,270 | ch-POL blind | B25 |
| Jun 2010 | Marek Mackowiak | 2,239 | ch-POL blind | E62 |
| Jan 2017 | Balazs Teglas | 2,238 | 1st Suwalki Warakomska Memorial A | B27 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-POL blind | 2011 | 22 | 9.5 | 2,102 |
| chT-POL blind | 2017 | 14 | 12 | 2,080 |
| ch-POL blind 34th | 2005 | 13 | 8 | 2,227 |
| ch-POL blind 31st | 2002 | 13 | 6 | 2,104 |
| ch-POL blind 30th | 2001 | 13 | 5.5 | 2,071 |
| ch-POL blind 32nd | 2003 | 13 | 3 | 1,937 |
| ch-POL blind 33rd | 2004 | 13 | 6.5 | 2,139 |
| ch-POL blind 35th | 2006 | 13 | 6.5 | 2,137 |
Frequent opponents
Head-to-head records: Tadeusz Zoltek (12 games) · Ryszard Suder (12 games) · Piotr Dukaczewski (12 games) · Piotr Kulpinski (10 games)
Interactive opening tree from all 342 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Marcin Chojnowski's chess games?
342 games by Marcin Chojnowski, from Apr 2003 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 Marcin Chojnowski has played.
What does Marcin Chojnowski play on the first move as White?
Across 167 games with White in our database, Marcin Chojnowski opens with 1.e4 (81% of games), 1.d4 (18% of games), 1.Nf3 (1% of games). Against 1.e4 as Black, Marcin Chojnowski answers 1...c5 (65% of games), 1...e6 (27% of games), 1...c6 (5% of games). Against 1.d4: 1...Nf6 (76% of games), 1...d5 (17% of games), 1...f5 (5% of games).
What openings does Marcin Chojnowski play as White?
As White, Marcin Chojnowski's most-played openings in our database are: Sicilian (33 games, 36.4% win rate); Sicilian: Najdorf (14 games, 57.1% win rate); Alekhine Defense (10 games, 10.0% win rate). The full breakdown of 167 games with White is in the table above.
What openings does Marcin Chojnowski play as Black?
As Black, Marcin Chojnowski most often plays: Sicilian: Najdorf (18 games, 44.4% win rate); Sicilian (13 games, 46.2% win rate); Sicilian: Closed (9 games, 33.3% win rate). See the table above for the top ten Black openings across 175 games.
What is Marcin Chojnowski's FIDE rating?
Marcin Chojnowski is currently rated 2,068 in classical chess, 2,024 in rapid. Peak classical rating: 2,217 (Oct 2005).
How many games has Marcin Chojnowski played?
Our database contains 342 games by Marcin Chojnowski, covering Apr 2003 to Aug 2026. Overall record: 149 wins, 59 draws, 134 losses (43.6% win rate).
How do I prepare against Marcin Chojnowski?
342 games by Marcin Chojnowski 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.