R. De Roos
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| SBO-ch | ??/??/1998 | 213 |  Netherlands |
| SBO-ch | ??/??/1997 | 57 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| B89 | Sicilian, Sozin, 7.Be3 | 1 games |
| C16 | French, Winawer, advance variation | 1 games |
| B87 | Sicilian, Sozin with ...a6 and ...b5 | 1 games |
| B44 | Sicilian defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B08 | Pirc, classical (two knights) system | 2 games |
| B07 | Pirc defence | 1 games |
| C29 | Vienna gambit | 1 games |
| C47 | Four knights, Scotch variation | 1 games |
