Jahns, Simon
Current rating: 1466
Record: 2-4
| Grand Prix Hanover 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 13 | Sisu, Andrei (1522) | Lost 1-2 | -181482 |
| 2extended | 141 | Sablatura, Tom (1482) | Won 2-1 | +181500 |
| 3extended | 137 | Brachmann, Tobias (1471) | Lost 0-2 | -181482 |
| 4extended | 194 | Squirewell, Sascha (1487) | Won 0-0 | +181500 |
| 5extended | 118 | de Rooij, Danny (1590) | Lost 1-2 | -161484 |
| 6extended | 150 | Kempe, Jorg (1499) | Lost 1-2 | -181466 |
| average opponent: 1509record: 2-4 | new rating: 1466 | |||