Driever, David
Current rating: 1506
Record: 3-3
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 549 | Vermeulen, Gunther (1500) | Won 2-1 | +181518 |
| 2sealed | 531 | Ziesche, Sebastian (1781) | Lost 1-2 | -131505 |
| 3sealed | 523 | Tamminga, Mark (1484) | Won 2-0 | +171522 |
| 4sealed | 581 | Klose, Stephan (1597) | Lost 1-2 | -161506 |
| 5sealed | 607 | Van De Griendt, Freek (1499) | Won 2-0 | +181524 |
| 6sealed | 548 | Brueggemann, Julian (1567) | Lost 0-2 | -181506 |
| average opponent: 1571record: 3-3 | new rating: 1506 | |||