Haak, Arne
Current rating: 1520
Record: 5-4
| Grand Prix Hanover 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 443 | Kirchberger, Robert (1500) | Won 2-0 | +181518 |
| 2extended | 412 | Bohm, Philip (1507) | Lost 0-2 | -181500 |
| 3extended | 518 | Weishaupt, Felix (1508) | Lost 0-2 | -181482 |
| 4extended | 598 | Panum, Thomas K (1475) | Lost 0-2 | -181464 |
| 5extended | 599 | Gibaud, Thierry (1557) | Lost 0-2 | -161448 |
| 6extended | 586 | Hori, Daisuke (1471) | Won 2-1 | +181466 |
| 7extended | 546 | Hafke, Robert (1465) | Won 2-0 | +181484 |
| 8extended | 518 | Zeuge, Timo (1482) | Won 2-1 | +181502 |
| 9extended | 502 | Walter, Daniel (1498) | Won 2-1 | +181520 |
| average opponent: 1496record: 5-4 | new rating: 1520 | |||