Kviz, Petr
Current rating: 1444
| Grand Prix Prague 2016 (legacy) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 31 | van Dalen, Matthias (1534) | Won 2-1 | +191470 |
| 2legacy | 119 | Chladek, Petr (1467) | Lost 1-2 | -181452 |
| 3legacy | 378 | Kowalski, Przemyslaw (1434) | Won 2-1 | +181470 |
| 4legacy | 261 | Fischer, Michael (1543) | Lost 0-2 | -171453 |
| 5legacy | 412 | Ketels, Frederik (1613) | Won 2-0 | +211474 |
| 6legacy | 249 | Oehmig, Ronny (1465) | Won 2-1 | +181492 |
| 7legacy | 209 | Cardoso, Adriano (1562) | Lost 0-2 | -171475 |
| 8legacy | 360 | Darras, Alexandre (1678) | Lost 0-2 | -141461 |
| 9legacy | 397 | Van Heel, Jeroen (1523) | Lost 0-2 | -171444 |
| top | average opponent: 1535record: 4-5 | new rating: 1444 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 165 | Saudek, Lucien (1596) | Won 2-0 | +211485 |
| 2sealed | 66 | Smarda, Juraj (1520) | Lost 1-2 | -181467 |
| 3sealed | 168 | Maly, Ondrej (1500) | Lost 0-2 | -171450 |
| 4sealed | 309 | Bogdan, Tomi (1428) | Won 2-1 | +171467 |
| 5sealed | 193 | Argiriu, Jiri (1452) | Lost 1-2 | -181449 |
| 6sealed | 239 | Zaychenko, Dmitry (1488) | Won 2-1 | +191468 |
| 7sealed | 202 | Wojcik, Maciej (1504) | Lost 0-2 | -171451 |
| top | average opponent: 1498record: 3-4 | new rating: 1451 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 234 | Dusek, Daniel (1511) | Lost 0-2 | -181482 |
| 2sealed | 404 | Eerny, Michal (1482) | Won 2-0 | +181500 |
| 3sealed | 188 | Proniewicz, Ferenc (1500) | Lost 0-2 | -181482 |
| 4sealed | 321 | Jurgeleit, Jens (1484) | Lost 1-2 | -181464 |
| top | average opponent: 1494record: 1-3 | new rating: 1464 | ||