Siemann, Matthias
Current rating: 1468
Record: 1-3
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 645 | Buvry, Guillaume (1463) | Won 2-1 | +171517 |
| 3sealed | 610 | Van Eeghen, Elmer (1539) | Lost 0-2 | -171500 |
| 4sealed | 858 | Baptiste, Nicolas (1579) | Lost 1-2 | -171483 |
| 5sealed | 831 | Chen, Ziming (1654) | Lost 0-2 | -151468 |
| average opponent: 1559record: 1-3 | new rating: 1468 | |||