J. Kerkmeester
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Guernsey op | ??/??/1991 | 577 |  Guernsey |
| Guernsey op | ??/??/1990 | 262 | Guernsey |
| Guernsey op | ??/??/1988 | 437 | Guernsey |
| Hoogovens M-4K | 01/??/1974 | 0 |  Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| B01 | Scandinavian (centre counter) defence | 1 games |
| C95 | Ruy Lopez, closed, Breyer, 10.d4 | 1 games |
| C83 | Ruy Lopez, open, classical defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A40 | Queen's pawn | 1 games |
| C30 | King's gambit | 1 games |
| C68 | Ruy Lopez, exchange variation | 1 games |
