Male
FIDE ID:
Stefan Mazur
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| ch-SVK 2025 | 07/08/2025 | 2465 |  Slovakia |
| TCh-HUN 2024-25 | 11/02/2024 | 2364 |  Hungary |
| ECo-C TCh-SVK 2024-25 | 11/23/2024 | 2300 | Slovakia |
| 39th ECC Open 2024 | 10/20/2024 | 2410 |  Serbia |
Stefan Mazur Opening Repertoire with White pieces
| ECO | Opening | Games |
| B90 | Sicilian, Najdorf | 17 games |
| B93 | Sicilian, Najdorf, 6.f4 | 14 games |
| B12 | Caro-Kann defence | 10 games |
| B40 | Sicilian defence | 10 games |
Stefan Mazur Opening Repertoire with Black pieces
| ECO | Opening | Games |
| C45 | Scotch game | 14 games |
| C77 | Ruy Lopez, Morphy defence | 14 games |
| C55 | Two knights defence | 10 games |
| C47 | Four knights, Scotch variation | 9 games |
