Rudy Jonker
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NED-ch U12 | ??/??/1994 | 0 |  Netherlands |
| Hengelo op U12 | ??/??/1993 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| C50 | King's pawn game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C10 | French, Paulsen variation | 1 games |
