Rudolf De Graaff
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NED-chT 9697 | ??/??/1996 | 1213 |  Netherlands |
| NED-chT 9596 | ??/??/1995 | 1058 | Netherlands |
| FRG-NED U26 | 07/??/1965 | 0 |  Germany |
Most Played Openings as White
| ECO | Opening | Games |
| A46 | Queen's pawn game | 1 games |
| A48 | King's Indian, East Indian defence | 1 games |
| D05 | Queen's pawn game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B06 | Robatsch (modern) defence | 2 games |
| C26 | Vienna, Falkbeer variation | 1 games |
| A42 | Modern defence, Averbakh system | 1 games |
| D44 | Queen's Gambit Declined semi-Slav, 5.Bg5 dc | 1 games |
