Prepare against Stefan Mazur
IM · Slovakia · World #2,327 classical · FIDE ID 14909332
Our database contains 1,488 games by Stefan Mazur, covering Oct 2004 to Aug 2026. Below you'll find Stefan Mazur's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Stefan Mazur 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 | 2,367 | 2,472 | Sep 2017 |
| Rapid | 2,386 | 2,412 | Jun 2018 |
| Blitz | 2,297 | 2,437 | Jul 2021 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 1,488 | 651 | 358 | 479 | 43.8% |
| As White | 751 | 351 | 185 | 215 | 46.7% |
| As Black | 737 | 300 | 173 | 264 | 40.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Stefan Mazur's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Stefan Mazur's side.
First moves as White (751 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 712 | 94.8% | 58.8% |
| d4 | 25 | 3.3% | 66.0% |
| Nc3 | 5 | 0.7% | 40.0% |
| Nf3 | 4 | 0.5% | 75.0% |
| b3 | 3 | 0.4% | 66.7% |
| c4 | 1 | 0.1% | 50.0% |
Main lines as White
- 1.e4 — 95% of White games, 58.8% score
- …c5 (42% of these games) — Mazur usually continues Nf3 (55.7% score)
- …e5 (27% of these games) — Mazur usually continues Nf3 (60.9% score)
- …e6 (12% of these games) — Mazur usually continues d4 (64.5% score)
- 1.d4 — 3% of White games, 66.0% score
- …Nf6 (72% of these games) — Mazur usually continues c4 (68.2% score)
- …d5 (24% of these games) — Mazur usually continues c4 (60.0% score)
- …e6 (4% of these games) — Mazur usually continues c4 (100.0% score)
As Black against 1.e4 (356 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 297 | 83.4% | 54.5% |
| c5 | 19 | 5.3% | 44.7% |
| Nc6 | 18 | 5.1% | 58.3% |
| c6 | 16 | 4.5% | 53.1% |
| g6 | 5 | 1.4% | 60.0% |
| b6 | 1 | 0.3% | 0.0% |
As Black against 1.d4 (247 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 118 | 47.8% | 46.6% |
| d5 | 108 | 43.7% | 50.9% |
| f5 | 13 | 5.3% | 73.1% |
| g6 | 4 | 1.6% | 75.0% |
| d6 | 2 | 0.8% | 100.0% |
| c6 | 1 | 0.4% | 100.0% |
Stefan Mazur's chess games
All 1,488 games by Stefan Mazur in the Chess.ceo database (Oct 2004 - 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: 651 wins, 358 draws, 479 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B32 | Sicilian | 133 | 52/36/45 | 39.1% |
| B93 | Sicilian: Najdorf | 71 | 32/12/27 | 45.1% |
| C92 | Ruy Lopez: Closed | 52 | 25/15/12 | 48.1% |
| C18 | French: Winawer Variation | 39 | 18/10/11 | 46.2% |
| C11 | French: Classical Variation | 27 | 17/4/6 | 63.0% |
| C42 | Petrov's Defense | 24 | 11/6/7 | 45.8% |
| B12 | Caro-Kann: Advance Variation | 23 | 10/7/6 | 43.5% |
| C78 | Ruy Lopez: Morphy Defense | 23 | 7/9/7 | 30.4% |
| B31 | Sicilian: Rossolimo | 20 | 8/8/4 | 40.0% |
| C67 | Ruy Lopez: Berlin Defense | 19 | 13/2/4 | 68.4% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C99 | Ruy Lopez: Closed | 64 | 24/17/23 | 37.5% |
| C77 | Ruy Lopez: Morphy Defense | 46 | 18/10/18 | 39.1% |
| C55 | Italian Game | 43 | 17/11/15 | 39.5% |
| D12 | Slav Defense | 34 | 17/7/10 | 50.0% |
| C45 | Scotch Game | 34 | 17/8/9 | 50.0% |
| E62 | King's Indian Defense | 33 | 11/6/16 | 33.3% |
| A09 | Réti Opening | 27 | 11/6/10 | 40.7% |
| E97 | King's Indian Defense: Orthodox Variation | 26 | 10/10/6 | 38.5% |
| D08 | Albin Countergambit | 24 | 11/5/8 | 45.8% |
| A16 | English Opening | 23 | 10/4/9 | 43.5% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2020 | Volodymyr Onyshchuk | 2,633 | Titled Tue | B07 |
| Jan 2017 | Tamas Banusz | 2,612 | chT-SVK 1617 | C96 |
| Oct 2020 | Borki Predojevic | 2,601 | Titled Tue | C55 |
| Oct 2014 | Kamil Miton | 2,593 | chT-SVK 1415 | C19 |
| Feb 2021 | Aleksandra Goryachkina | 2,593 | Titled Tue | C45 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 139 | 59.5 | 2,214 |
| ch-SVK | 2025 | 99 | 43.5 | 2,385 |
| ch-SVK Open A | 2012 | 41 | 22.5 | 2,286 |
| Wch U18 | 2010 | 21 | 12 | 2,351 |
| Brezova Open | 2010 | 18 | 10 | 2,244 |
| ch-SVK U14 | 2006 | 18 | 13.5 | 1,870 |
| ch-SVK rapid | 2020 | 13 | 9 | 2,302 |
| 51st Wch U20 | 2012 | 13 | 7 | 2,305 |
Frequent opponents
Head-to-head records: Jergus Pechac (21 games) · Norbert Zambor (16 games) · Martin Neugebauer (15 games) · Mikulas Manik (13 games) · Marian Jurcik (13 games) · Tamas Petenyi (13 games) · Martin Mrva (11 games) · Juraj Druska (11 games)
Interactive opening tree from all 1,488 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Stefan Mazur's chess games?
1,488 games by Stefan Mazur, from Oct 2004 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 Stefan Mazur has played.
What does Stefan Mazur play on the first move as White?
Across 751 games with White in our database, Stefan Mazur opens with 1.e4 (95% of games), 1.d4 (3% of games), 1.Nc3 (1% of games). Against 1.e4 as Black, Stefan Mazur answers 1...e5 (83% of games), 1...c5 (5% of games), 1...Nc6 (5% of games). Against 1.d4: 1...Nf6 (48% of games), 1...d5 (44% of games), 1...f5 (5% of games).
What openings does Stefan Mazur play as White?
As White, Stefan Mazur's most-played openings in our database are: Sicilian (133 games, 39.1% win rate); Sicilian: Najdorf (71 games, 45.1% win rate); Ruy Lopez: Closed (52 games, 48.1% win rate). The full breakdown of 751 games with White is in the table above.
What openings does Stefan Mazur play as Black?
As Black, Stefan Mazur most often plays: Ruy Lopez: Closed (64 games, 37.5% win rate); Ruy Lopez: Morphy Defense (46 games, 39.1% win rate); Italian Game (43 games, 39.5% win rate). See the table above for the top ten Black openings across 737 games.
What is Stefan Mazur's FIDE rating?
Stefan Mazur is currently rated 2,367 in classical chess, 2,386 in rapid and 2,297 in blitz. Peak classical rating: 2,472 (Sep 2017).
How many games has Stefan Mazur played?
Our database contains 1,488 games by Stefan Mazur, covering Oct 2004 to Aug 2026. Overall record: 651 wins, 358 draws, 479 losses (43.8% win rate).
How do I prepare against Stefan Mazur?
1,488 games by Stefan Mazur 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.