Bombonatti, Irio
Current rating: 1470
Record: 6-8
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 167 | Maurer, Tobias (1565) | Lost 0-2 | -171488 |
| 2sealed | 343 | Matthies, Mario (1515) | Lost 0-2 | -181470 |
| 3sealed | 365 | David, Kjelle (1427) | Won 2-1 | +171487 |
| 4sealed | 322 | Marsal, Basile (1560) | Won 2-0 | +201507 |
| 5sealed | 230 | Hanke, Kai-Uwe (1502) | Lost 1-2 | -181489 |
| 6sealed | 255 | Habelmann, Christoph (1468) | Lost 1-2 | -191470 |
| average opponent: 1506record: 2-4 | new rating: 1470 | |||
| Grand Prix Hanover 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 502 | Rehfeldt, Stefan (1500) | Won 1-0 | +181518 |
| 2extended | 502 | Yu, Shao-Chi (1472) | Lost 1-2 | -191499 |
| 3extended | 559 | Segers, Frank (1498) | Lost 0-2 | -181481 |
| 4extended | 604 | Kirchberger, Robert (1485) | Won 2-1 | +181499 |
| 5extended | 559 | Stihle, Julien (1523) | Lost 0-2 | -171482 |
| 6extended | 547 | Poeggel, Hannes (1481) | Won 2-1 | +181500 |
| 7extended | 524 | Steinecke, Michael (1613) | Won 2-0 | +201520 |
| 8extended | 504 | Massat, Nicolas (1686) | Lost 0-2 | -151505 |
| average opponent: 1532record: 4-4 | new rating: 1505 | |||