Welker, Marina
Current rating: 1463
Record: 1-3-1
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 804 | Hanke, Dustin (1500) | Lost 0-2 | -181482 |
| 2sealed | 822 | Erz, Tobias (1464) | Lost 0-2 | -181464 |
| 3sealed | 846 | Klingels, Dominik (1463) | Draw 1-1 | 01464 |
| 4sealed | 863 | Centamori, Salvatore (1347) | Won 2-1 | +161480 |
| 5sealed | 801 | Krause, Tim (1538) | Lost 0-2 | -171463 |
| average opponent: 1462record: 1-3-1 | new rating: 1463 | |||