Hermann, Jonas
Current rating: 1433
Record: 1-5
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 103 | Billion, Jean (1543) | Lost 1-2 | -171446 |
| 3sealed | 245 | Miori, Marina (1647) | Lost 0-2 | -141432 |
| 4sealed | 368 | Dubourg, Emeric (1484) | Won 2-0 | +191451 |
| 5sealed | 293 | Lermat, Benoit (1482) | Lost 0-2 | -181433 |
| average opponent: 1539record: 1-3 | new rating: 1433 | |||
| Grand Prix Stuttgart 2007 (LRW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 102 | Zatorski, Lukasz (1427) | Lost 1-2 | -191481 |
| 2sealed | 225 | Jenny, Luzian (1482) | Lost 0-2 | -181463 |
| average opponent: 1455record: 0-2 | new rating: 1463 | |||