Hamm, Robert
Current rating: 1482
Record: 2-3
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 557 | Stipa, Martin (1500) | Won 2-0 | +181518 |
| 2sealed | 600 | Millo, Roi (1518) | Won 2-1 | +181536 |
| 3sealed | 553 | Stuckler, Thomas (1531) | Lost 0-2 | -181518 |
| 4sealed | 673 | Laronde, Julien (1581) | Lost 1-2 | -171501 |
| 5sealed | 770 | Pyzio, Radoslaw (1457) | Lost 0-2 | -191482 |
| average opponent: 1517record: 2-3 | new rating: 1482 | |||