Gerbe Van Duijkeren
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Haarlem Nova op | 07/02/2004 | 749 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| D10 | Queen's Gambit Declined Slav defence | 1 games |
| E21 | Nimzo-Indian, three knights variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B45 | Sicilian, Taimanov variation | 2 games |
| B46 | Sicilian, Taimanov variation | 1 games |


Netherlands