Vokas, Petr
Current rating: 1558
Record: 6-3
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 722 | Piccoli, Federico (1500) | Won 2-0 | +181518 |
| 2sealed | 615 | Ritzka, Simon (1691) | Lost 0-2 | -151503 |
| 3sealed | 737 | Marous, Roman (1445) | Won 2-1 | +171520 |
| 4sealed | 698 | Czech, Boguslav (1485) | Lost 0-2 | -191501 |
| 5sealed | 730 | Hercezi, Mario (1501) | Lost 1-2 | -181483 |
| 6sealed | 774 | Simunek, Martin (1490) | Won 2-1 | +191502 |
| 7sealed | 689 | Berger, Simon (1469) | Won 2-0 | +171519 |
| 8sealed | 643 | Strasky, Ondrej (1520) | Won 2-0 | +181537 |
| 9sealed | 599 | Kroll, Tobias (1711) | Won 2-0 | +211558 |
| average opponent: 1535record: 6-3 | new rating: 1558 | |||