van Os, Michiel
Current rating: 1483
Record: 2-3
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 32 | Willemsen, David (1464) | Lost 0-2 | -191481 |
| 2extended | 394 | Roberts, Robbie (1482) | Won 2-1 | +181499 |
| 3extended | 261 | Kapitza, Johannes (1501) | Won 2-1 | +181517 |
| 4extended | 168 | Kraft, Lukas (1613) | Lost 0-2 | -161501 |
| 5extended | 230 | Seijsener, Niels (1500) | Lost 0-2 | -181483 |
| average opponent: 1512record: 2-3 | new rating: 1483 | |||