G. De Geus
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Haarlem ACCOM op | ??/??/1991 | 245 | Netherlands |
| ACCOM op | ??/??/1990 | 354 | Netherlands |
| ACCOM op | ??/??/1988 | 304 | Netherlands |
| ACCOM op | ??/??/1987 | 240 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 8 games |
| C56 | Two knights defence | 4 games |
| B07 | Pirc defence | 2 games |
| C14 | French, classical variation | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A05 | Reti opening | 2 games |
| A57 | Benko gambit | 2 games |
| B25 | Sicilian, closed | 2 games |
| C16 | French, Winawer, advance variation | 2 games |


Netherlands