Dijkstra, Mark
Current rating: 1472
Record: 5-7
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 568 | Oude Luttikhuis, Maarten (1500) | Lost 1-2 | -181470 |
| 2sealed | 587 | Grund, Daniel (1463) | Won 2-0 | +181488 |
| 3sealed | 533 | Eulaers, Wannes (1540) | Won 2-1 | +191507 |
| 4sealed | 548 | Magi, Sander (1632) | Lost 1-2 | -161491 |
| 5sealed | 586 | Tigchelaar, Martin (1420) | Lost 1-2 | -191472 |
| average opponent: 1511record: 2-3 | new rating: 1472 | |||
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 36 | Behring, Jurgen (1500) | Lost 1-2 | -181482 |
| 2extended | 336 | Smulders, Nick (1574) | Won 2-1 | +201502 |
| 3extended | 325 | Sivo, Tomas (1458) | Lost 0-2 | -191483 |
| 4extended | 359 | Soest van, Corwin (1482) | Won 2-0 | +181501 |
| 5extended | 266 | Mazierski, Pawel (1651) | Won 2-0 | +211522 |
| 6extended | 230 | Doering, Alexander (1603) | Lost 1-2 | -171505 |
| 7extended | 242 | Griffioen, Arthur (1531) | Lost 0-2 | -171488 |
| average opponent: 1543record: 3-4 | new rating: 1488 | |||