Diko Kalkdijk
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Groene Hart GrB | 05/01/2001 | 78 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| E99 | King's Indian, orthodox, Aronin-Taimanov, main line | 1 games |
| C56 | Two knights defence | 1 games |
| B72 | Sicilian, dragon, 6.Be3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C45 | Scotch game | 1 games |
| B12 | Caro-Kann defence | 1 games |
| B60 | Sicilian, Richter-Rauzer | 1 games |


Netherlands