Mark Irwin
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Leiden LSB op | 06/??/2003 | 443 | Netherlands |
| Nova College op | 07/05/2002 | 1893 | Netherlands |
| Leiden tt | 06/11/2002 | 377 | Netherlands |
| PK Lei SB | 07/??/2002 | 1594 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| C56 | Two knights defence | 2 games |
| B12 | Caro-Kann defence | 2 games |
| C41 | Philidor's defence | 2 games |
| C06 | French, Tarrasch, closed variation, main line | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 4 games |
| B93 | Sicilian, Najdorf, 6.f4 | 2 games |
| B87 | Sicilian, Sozin with ...a6 and ...b5 | 2 games |
| B90 | Sicilian, Najdorf | 2 games |
Netherlands
Male
FIDE ID:

