Berka, Krystof
Current rating: 1489
Record: 3-4
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 587 | Markut, Karl (1500) | Lost 0-1 | -181482 |
| 2sealed | 781 | Verner, Petr (1482) | Won 2-1 | +181500 |
| 3sealed | 738 | Houdek, Lukas (1502) | Won 2-0 | +181518 |
| 4sealed | 730 | Noorlander, Niels (1832) | Lost 1-2 | -121506 |
| 5sealed | 693 | Wendel, Mike (1499) | Won 2-1 | +171523 |
| 6sealed | 701 | Chodak, Michal (1492) | Lost 1-2 | -181505 |
| 7sealed | 675 | Klaue, Alexander (1598) | Lost 0-2 | -161489 |
| average opponent: 1558record: 3-4 | new rating: 1489 | |||