Witzki, Manuel
Current rating: 1469
Record: 1-3
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 630 | Schwarze, Marius (1500) | Lost 1-2 | -181482 |
| 2sealed | 815 | Maassen, Freddy (1482) | Won 2-0 | +181500 |
| 3sealed | 741 | Yeh, Gottlieb (1720) | Lost 0-2 | -141486 |
| 4sealed | 792 | Beijerink, Pablo (1539) | Lost 1-2 | -171469 |
| average opponent: 1560record: 1-3 | new rating: 1469 | |||