Ferry Ruigendijk
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Groningen op-B | 12/21/2004 | 219 | Netherlands |
| Groningen Harmonie op-B | 12/21/2003 | 0 | Netherlands |
| Groningen SO-ON op B | 12/22/2001 | 1612 | Netherlands |
| Groningen SO ON Mini op-C | 12/??/2000 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| B01 | Scandinavian (centre counter) defence | 2 games |
| C01 | French, exchange variation | 1 games |
| C59 | Two knights defence | 1 games |
| B21 | Sicilian, Grand Prix attack | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B92 | Sicilian, Najdorf, Opovcensky variation | 2 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 2 games |
| B90 | Sicilian, Najdorf | 2 games |
| B07 | Pirc defence | 1 games |


Netherlands