Van De Bruggen, Koen
Current rating: 1414
Record: 2-7
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 406 | Bombeeck, Inge (1500) | Lost 1-2 | -171429 |
| 2sealed | 626 | Simioni, Tanguy (1482) | Won 2-0 | +191448 |
| 3sealed | 603 | Van Den Brande, Wim (1500) | Lost 0-2 | -171431 |
| 4sealed | 610 | Fedi, Alessandro (1480) | Lost 0-2 | -171414 |
| average opponent: 1490record: 1-3 | new rating: 1414 | |||
| Grand Prix Lille 2005 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 450 | Vatel, Regio (1500) | Lost 1-2 | -181482 |
| 2legacy | 451 | Comellos, Eric (1482) | Lost 1-2 | -181464 |
| 3legacy | 506 | Fredefon, Benoit (1466) | Lost 0-2 | -181446 |
| 4legacy | 542 | Ambrassat, Sebastian (1465) | Won 2-0 | +181464 |
| 5legacy | 499 | Dutreige, Nicolas (1464) | Lost 1-2 | -181446 |
| average opponent: 1476record: 1-4 | new rating: 1446 | |||