M. Jongerius
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Guernsey Holiday op | 10/20/2002 | 1070 | Guernsey |
Most Played Openings as White
| ECO | Opening | Games |
| B15 | Caro-Kann defence | 1 games |
| B01 | Scandinavian (centre counter) defence | 1 games |
| B33 | Sicilian defence | 1 games |
| C24 | Bishop's opening, Berlin defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C64 | Ruy Lopez, classical (Cordel) defence | 3 games |


Guernsey