Marcin Mazurkiewicz
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 39th Olympiad Men | 09/21/2010 | 2055 | Russian Federation |
| Krakow op-C | ??/??/1998 | 143 | Poland |
| POL-chT U18 | ??/??/1991 | 278 | Poland |
| POL-chT | ??/??/1990 | 1934 | Poland |
Most Played Openings as White
| ECO | Opening | Games |
| A00 | Polish (Sokolsky) opening | 2 games |
| A06 | Reti opening | 1 games |
| A07 | Reti, King's Indian attack (Barcza system) | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B06 | Robatsch (modern) defence | 2 games |
| B32 | Sicilian defence | 2 games |
| C34 | King's gambit accepted | 1 games |
| C54 | Giuoco Piano | 1 games |
Male
FIDE ID:

Russian Federation
Poland