Weitkamp, Christoph
Current rating: 1606
Record: 10-5
| Grand Prix Hanover 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 413 | Michel, Kersten (1523) | Won 2-0 | +181518 |
| 2extended | 470 | Kirsch, Wolfram (1518) | Won 2-0 | +181536 |
| 3extended | 457 | Gorniak, Mariusz (1615) | Lost 0-2 | -161520 |
| 4extended | 532 | Yu, Shao-Chi (1474) | Won 2-0 | +171537 |
| 5extended | 493 | Hoenicke, Florian (1538) | Won 2-0 | +181555 |
| 6extended | 419 | Joska, Tomas (1798) | Won 2-1 | +221577 |
| 7extended | 410 | Pinchon, Pierre (1797) | Won 2-1 | +221599 |
| 8extended | 415 | Feenstra, Rens (1617) | Lost 1-2 | -171582 |
| 9extended | 437 | Lasseron, Frederic (1601) | Won 2-1 | +181600 |
| 10extended | 43 | Hild, Greg (1583) | Lost 0-2 | -181582 |
| 11extended | 56 | Noorlander, Niels (1800) | Lost 1-2 | -141568 |
| 12extended | 58 | Pfeffer, Lukas (1540) | Lost 0-2 | -191549 |
| 13extended | 59 | Lailey, Mark (1482) | Won 2-1 | +171566 |
| 14extended | 50 | Kocsis, Gabor (1730) | Won 2-1 | +211587 |
| 15extended | 44 | Marciniszyn, Michal (1654) | Won 2-0 | +191606 |
| average opponent: 1618record: 10-5 | new rating: 1606 | |||