Prepare against Mariusz Mazalon
FM · Poland · World #30,993 classical · FIDE ID 1103105
When preparing against Mariusz Mazalon, expect 1.d4 in 84% of White games. Against 1.e4 the reply is 1...c5 (76% of games); against 1.d4, 1...Nf6 (60%). Lowest win rate among frequent openings: Slav Defense as White, 14.3% over 21 games.
Our database contains 565 games by Mariusz Mazalon, covering Apr 2003 to Sep 2026. Below you'll find Mariusz Mazalon's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Mariusz Mazalon 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 | 1,980 | 2,169 | Apr 2007 |
| Rapid | 2,018 | 2,092 | Nov 2017 |
| Blitz | 1,865 | 2,115 | Feb 2018 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 565 | 176 | 213 | 176 | 31.2% |
| As White | 267 | 88 | 110 | 69 | 33.0% |
| As Black | 298 | 88 | 103 | 107 | 29.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Mariusz Mazalon's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Mariusz Mazalon's side.
First moves as White (267 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 223 | 83.5% | 51.3% |
| Nf3 | 24 | 9.0% | 70.8% |
| e4 | 14 | 5.2% | 60.7% |
| c4 | 4 | 1.5% | 50.0% |
| g3 | 2 | 0.7% | 50.0% |
Main lines as White
- 1.d4 — 84% of White games, 51.3% score
- …Nf6 (54% of these games) — Mazalon usually continues c4 (47.5% score)
- …d5 (28% of these games) — Mazalon usually continues c4 (47.4% score)
- …e6 (5% of these games) — Mazalon usually continues c4 (62.5% score)
- 1.Nf3 — 9% of White games, 70.8% score
- …Nf6 (63% of these games) — Mazalon usually continues g3 (58.3% score)
- …d5 (29% of these games) — Mazalon usually continues g3 (91.7% score)
- …g6 (4% of these games) — Mazalon usually continues g3 (50.0% score)
As Black against 1.e4 (165 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 126 | 76.4% | 43.3% |
| g6 | 22 | 13.3% | 54.5% |
| c6 | 5 | 3.0% | 50.0% |
| e6 | 4 | 2.4% | 62.5% |
| e5 | 4 | 2.4% | 50.0% |
| d5 | 2 | 1.2% | 25.0% |
As Black against 1.d4 (94 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 56 | 59.6% | 46.4% |
| g6 | 23 | 24.5% | 67.4% |
| d5 | 14 | 14.9% | 57.1% |
| d6 | 1 | 1.1% | 50.0% |
Mariusz Mazalon's chess games
All 565 games by Mariusz Mazalon in the Chess.ceo database (Apr 2003 - 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: 176 wins, 213 draws, 176 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E90 | Indian Defense | 40 | 11/20/9 | 27.5% |
| D45 | Slav Defense | 21 | 3/12/6 | 14.3% |
| E90 | King's Indian Defense: Orthodox Variation | 20 | 7/7/6 | 35.0% |
| E04 | Catalan | 18 | 8/8/2 | 44.4% |
| E18 | Queen's Indian Defense | 14 | 5/8/1 | 35.7% |
| E70 | King's Indian Defense | 13 | 4/3/6 | 30.8% |
| D90 | Grünfeld Defense | 12 | 4/2/6 | 33.3% |
| E90 | Benoni Defense | 11 | 4/2/5 | 36.4% |
| D02 | Queen's Pawn Game | 11 | 4/6/1 | 36.4% |
| B07 | Modern Defense | 10 | 3/5/2 | 30.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B15 | Modern Defense | 51 | 22/13/16 | 43.1% |
| B92 | Sicilian: Najdorf | 47 | 16/11/20 | 34.0% |
| B28 | Sicilian | 47 | 13/14/20 | 27.7% |
| E70 | King's Indian Defense | 16 | 4/3/9 | 25.0% |
| B23 | Sicilian: Closed | 11 | 4/3/4 | 36.4% |
| A46 | Indian Defense | 10 | 3/3/4 | 30.0% |
| B27 | Sicilian: Hyperaccelerated Dragon | 9 | 2/3/4 | 22.2% |
| E62 | English Opening | 8 | 2/1/5 | 25.0% |
| E11 | Bogo-Indian Defense | 7 | 2/2/3 | 28.6% |
| B22 | Sicilian: Alapin | 6 | 1/2/3 | 16.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2019 | Vadim Shishkin | 2,445 | 55th Rubinstein Memorial A | E76 |
| Aug 2008 | Piotr Dukaczewski | 2,351 | 19th Kochan Memorial Open | E90 |
| Sep 2008 | Jedrzej Dlugosz | 2,340 | POL-chT 2nd League | E70 |
| Aug 1997 | Tero Kokkila | 2,335 | MK Cafe Cup A | B90 |
| Nov 1996 | Olaf Michalski | 2,305 | chT-POL 52nd | E11 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| POL-chT 2nd League | 2021 | 119 | 55 | 2,084 |
| POL-chT 1st League | 2024 | 23 | 8 | 2,005 |
| Gdansk Open | 2009 | 18 | 11 | 2,118 |
| chT-POL 52nd | 1996 | 11 | 6 | 2,356 |
| MK Cafe Cup B | 1999 | 11 | 3.5 | 2,038 |
| MK Cafe Cup A | 1997 | 10 | 4 | 2,264 |
| 44th Polanica Zdroj Open B | 2008 | 10 | 6.5 | 2,114 |
| 16th Kochan Memorial Open A | 2005 | 10 | 5 | 2,161 |
Interactive opening tree from all 565 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Mariusz Mazalon's chess games?
565 games by Mariusz Mazalon, from Apr 2003 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 Mariusz Mazalon has played.
What does Mariusz Mazalon play on the first move as White?
Across 267 games with White in our database, Mariusz Mazalon opens with 1.d4 (84% of games), 1.Nf3 (9% of games), 1.e4 (5% of games). Against 1.e4 as Black, Mariusz Mazalon answers 1...c5 (76% of games), 1...g6 (13% of games), 1...c6 (3% of games). Against 1.d4: 1...Nf6 (60% of games), 1...g6 (24% of games), 1...d5 (15% of games).
What openings does Mariusz Mazalon play as White?
As White, Mariusz Mazalon's most-played openings in our database are: Indian Defense (40 games, 27.5% win rate); Slav Defense (21 games, 14.3% win rate); King's Indian Defense: Orthodox Variation (20 games, 35.0% win rate). The full breakdown of 267 games with White is in the table above.
What openings does Mariusz Mazalon play as Black?
As Black, Mariusz Mazalon most often plays: Modern Defense (51 games, 43.1% win rate); Sicilian: Najdorf (47 games, 34.0% win rate); Sicilian (47 games, 27.7% win rate). See the table above for the top ten Black openings across 298 games.
What is Mariusz Mazalon's FIDE rating?
Mariusz Mazalon is currently rated 1,980 in classical chess, 2,018 in rapid and 1,865 in blitz. Peak classical rating: 2,169 (Apr 2007).
How many games has Mariusz Mazalon played?
Our database contains 565 games by Mariusz Mazalon, covering Apr 2003 to Sep 2026. Overall record: 176 wins, 213 draws, 176 losses (31.2% win rate).
How do I prepare against Mariusz Mazalon?
565 games by Mariusz Mazalon 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.