Groenstege, Ronald
Current rating: 1463
Record: 3-5
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 184 | Eberson, Ian (1500) | Won 2-0 | +181518 |
| 2extended | 64 | Schipkowski, Jan (1565) | Lost 0-2 | -171501 |
| 3extended | 292 | Paulis, Xavier (1576) | Lost 0-2 | -171484 |
| 4extended | 379 | Richter, Tim (1437) | Lost 1-2 | -191465 |
| 5extended | 392 | Grigar, Steffen (1464) | Won 2-1 | +181483 |
| 6extended | 344 | Dusek, Daniel (1395) | Lost 1-2 | -191464 |
| 7extended | 294 | Dings, Viktor (1464) | Lost 0-2 | -181446 |
| 8extended | 239 | Zejnilagic, Nenad (1430) | Won 2-0 | +171463 |
| average opponent: 1479record: 3-5 | new rating: 1463 | |||