Jacoby, Achim
Current rating: 1497
Record: 4-4-1
| Grand Prix Leipzig 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 120 | Haedler, Andreas (1447) | Lost 1-2 | -191481 |
| 2sealed | 142 | Schuette, Soeren (1486) | Draw 1-1 | 01481 |
| 3sealed | 168 | Klinger, Herve (1482) | Won 2-1 | +181499 |
| 4sealed | 140 | Lueck, Bjoern (1498) | Lost 1-2 | -181481 |
| 5sealed | 164 | Jung, Matthias (1481) | Won 1-0 | +181499 |
| 6sealed | 120 | Dvorak, Radoslav (1485) | Won 2-0 | +181517 |
| 7sealed | 89 | Carl, Christian (1520) | Won 1-0 | +181535 |
| 8sealed | 64 | Haug, Andreas (1438) | Lost 0-2 | -201515 |
| 9sealed | 76 | Reher, Tobias (1501) | Lost 0-2 | -181497 |
| average opponent: 1482record: 4-4-1 | new rating: 1497 | |||