Berka, Rostislav
Current rating: 1412
Record: 1-6
| Grand Prix Prague 2013 (M14 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 307 | Zavarko, Stefan (1500) | Lost 1-2 | -181482 |
| 2sealed | 462 | Sonnenschein, Benedikt (1597) | Lost 1-2 | -161466 |
| 3sealed | 670 | Urbanczyk, Marek (1564) | Lost 1-2 | -161450 |
| 4sealed | 703 | Matousek, Kamil (1317) | Won 2-0 | +151465 |
| 5sealed | 639 | Hjulstrom, Viktor (1474) | Lost 0-2 | -171448 |
| 6sealed | 586 | Castelli, Massimo (1457) | Lost 0-2 | -181430 |
| 7sealed | 500 | Mensik, David (1435) | Lost 0-2 | -181412 |
| average opponent: 1478record: 1-6 | new rating: 1412 | |||