Kok, Mark
Current rating: 1428
Record: 2-6
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 664 | Elon, Raviv (1500) | Lost 0-2 | -181482 |
| 2legacy | 918 | Pibernat Roses, Marc (1441) | Lost 1-2 | -191463 |
| 3legacy | 990 | Serbruyns, Joachim (1441) | Won 2-0 | +181481 |
| 4legacy | 915 | Garcia Cantos, Guzman Oriol (1484) | Won 2-0 | +181499 |
| 5legacy | 914 | Shum, Edmund (1430) | Lost 1-2 | -191480 |
| 6legacy | 903 | Lemke, Christof (1497) | Lost 1-2 | -181462 |
| 7legacy | 890 | Dietl, Christian (1597) | Lost 1-2 | -161446 |
| 8legacy | 855 | Nottebrock, Jorg (1409) | Lost 0-2 | -181428 |
| average opponent: 1475record: 2-6 | new rating: 1428 | |||