Liska, Petr
Current rating: 1431
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 643 | Lyons, Oisin (1675) | Lost 0-2 | -141421 |
| 2sealed | 1246 | Klein, Jascha (1483) | Lost 0-2 | -171404 |
| 3sealed | 1200 | Chan, Kai Yu (1463) | Won 2-0 | +191423 |
| 4sealed | 906 | Mos, Michal (1645) | Won 2-0 | +221445 |
| 5sealed | 638 | Kroger, Jana Katherina (1333) | Lost 1-2 | -201425 |
| 6sealed | 809 | Nahlovsky, Jiri (1344) | Won 2-0 | +171442 |
| 7sealed | 598 | Etourneaud, Eric (1746) | Lost 1-2 | -131429 |
| 8sealed | 534 | Van Meurs, Sascha (1518) | Draw 1-1 | +21431 |
| top | average opponent: 1526record: 3-4-1 | new rating: 1431 | ||
| Grand Prix Prague 2014 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 178 | Bakule, Jakub (1687) | Lost 1-2 | -141451 |
| 2modern | 405 | Taburiaux, Boris (1526) | Lost 1-2 | -161435 |
| 3modern | 604 | Bentz, Frederik (1450) | Won 2-1 | +181453 |
| 4modern | 634 | Mahler, Sebastian (1435) | Lost 1-2 | -181435 |
| 5modern | 591 | Bouril, Frantisek (1471) | Won 2-1 | +181453 |
| 6modern | 537 | Frantsuzov, Leonid (1441) | Lost 1-2 | -181435 |
| top | average opponent: 1501record: 2-4 | new rating: 1435 | ||
| Grand Prix Prague 2013 (M14 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 278 | Swierczynski, Michal (1555) | Won 2-0 | +191519 |
| 4sealed | 61 | Estelberger, Christopher (1497) | Lost 1-2 | -181501 |
| 5sealed | 337 | Bentz, Huxley (1547) | Lost 0-2 | -181483 |
| 6sealed | 277 | Heiss, Marvin (1471) | Lost 1-2 | -181465 |
| top | average opponent: 1518record: 1-3 | new rating: 1465 | ||