Merdes, Daniel
Current rating: 1483
Record: 4-5
| Grand Prix Hanover 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 428 | Schroder, Christian (1494) | Lost 0-2 | -181482 |
| 2extended | 576 | Masek, Ramon (1482) | Won 2-1 | +181500 |
| 3extended | 558 | Schumann, Rene (1452) | Lost 1-2 | -191481 |
| 4extended | 605 | Pietsch, Daniel (1480) | Lost 1-2 | -181463 |
| 5extended | 597 | Lahmer, Andreas (1464) | Won 2-0 | +181481 |
| 6extended | 567 | Sorger, Nico (1481) | Won 2-0 | +181499 |
| 7extended | 527 | Massat, Nicolas (1671) | Lost 0-2 | -151484 |
| 8extended | 519 | Esskuche, Philip (1436) | Won 2-0 | +171501 |
| 9extended | 499 | Clara, Pere (1502) | Lost 0-2 | -181483 |
| average opponent: 1496record: 4-5 | new rating: 1483 | |||