Marcin Kostanski
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| POL-ch U12 | ??/??/2003 | 40 | Poland |
Most Played Openings as White
| ECO | Opening | Games |
| A60 | Benoni defence | 1 games |
| D13 | Queen's Gambit Declined Slav, exchange variation | 1 games |
| E11 | Bogo-Indian defence | 1 games |
| E72 | King's Indian with e4 & g3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A48 | King's Indian, East Indian defence | 2 games |
| B34 | Sicilian, accelerated fianchetto, exchange variation | 1 games |
| A24 | English, Bremen system with ...g6 | 1 games |
| B32 | Sicilian defence | 1 games |
Poland
Male
FIDE ID:

