Groote, Ruud
Current rating: 1501
Record: 3-3
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 401 | Jankowski, Denis (1432) | Won 2-1 | +171517 |
| 2sealed | 491 | Assa, Eric (1484) | Won 2-0 | +171534 |
| 3sealed | 419 | Pruser, Jan (1576) | Lost 0-2 | -171517 |
| 4sealed | 582 | Ruiterkamp, Gerwin (1607) | Lost 1-2 | -161501 |
| 5sealed | 558 | Stihle, Laurent (1537) | Won 2-1 | +181519 |
| 6sealed | 494 | Koers, Kenta (1522) | Lost 1-2 | -181501 |
| average opponent: 1526record: 3-3 | new rating: 1501 | |||