Ronald A Blok
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Dieren op mini | 07/26/2005 | 110 |  Netherlands |
| Groene Hart GrA | 05/01/2001 | 136 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| A70 | Benoni, classical with e4 and Nf3 | 1 games |
| E60 | King's Indian defence | 1 games |
| E67 | King's Indian, fianchetto with ...Nd7 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D00 | Queen's pawn game | 1 games |
| E91 | King's Indian, 6.Be2 | 1 games |
| E81 | King's Indian, Saemisch, 5...O-O | 1 games |
| B08 | Pirc, classical (two knights) system | 1 games |
