Sommer, Johannes
Current rating: 1480
Record: 3-4-2
| Grand Prix Leipzig 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 108 | Huber, Gabriel (1505) | Lost 0-2 | -181482 |
| 2sealed | 159 | Weigert, Thilo (1482) | Lost 1-2 | -181464 |
| 3sealed | 183 | Meusel, Tilmann (1465) | Draw 1-1 | 01464 |
| 4sealed | 198 | Roeder, Julian (1464) | Lost 0-2 | -181446 |
| 5sealed | 193 | Seine, Markus (1447) | Lost 0-2 | -181428 |
| 6sealed | 176 | Eucken, Christopher (1411) | Won 2-0 | +181446 |
| 7sealed | 152 | Gerk, Christian (1427) | Won 2-0 | +171463 |
| 8sealed | 121 | Jung, Matthias (1463) | Won 1-0 | +181481 |
| 9sealed | 99 | Leitgeb, Vladimir (1394) | Draw 1-1 | -11480 |
| average opponent: 1451record: 3-4-2 | new rating: 1480 | |||