R. Koelman
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Hengelo U14 | ??/??/1996 | 0 | Netherlands |
| NED-ch U12 | ??/??/1995 | 158 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| C50 | King's pawn game | 2 games |
| A00 | Polish (Sokolsky) opening | 1 games |
| C45 | Scotch game | 1 games |
| B55 | Sicilian, Prins variation, Venice attack | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C42 | Petrov's defence | 2 games |
| C50 | King's pawn game | 2 games |
| C48 | Four knights, Spanish variation | 1 games |
| C47 | Four knights, Scotch variation | 1 games |


Netherlands