Krpalek, Josef
Current rating: 1475
Record: 6-8
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 985 | Kleijwegt, Stefan (1428) | Won 2-1 | +171520 |
| 2sealed | 566 | Boudaoud, Hakim (1789) | Lost 0-2 | -141506 |
| 3sealed | 859 | Hansel, Stephan (1654) | Lost 0-2 | -151491 |
| 4sealed | 852 | Robinson, Frank (1626) | Lost 1-2 | -161475 |
| 5sealed | 1006 | Sudnik, Piotr (1469) | Won 2-0 | +181493 |
| 6sealed | 753 | Jandik, Jakub (1453) | Lost 0-2 | -181475 |
| average opponent: 1570record: 2-4 | new rating: 1475 | |||
| Grand Prix Prague 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 145 | Steinbeiss, Alexander (1448) | Won 2-1 | +171517 |
| 2modern | 117 | Siddik, Ahmed (1512) | Won 2-0 | +181535 |
| 3modern | 137 | Hoppe, Sebastian (1600) | Lost 1-2 | -171518 |
| 4modern | 483 | Eckert, Florian (1547) | Lost 0-2 | -171501 |
| 5modern | 645 | Kubica, Mathieu (1500) | Won 2-0 | +181519 |
| 6modern | 391 | Girdasov, Boris (1533) | Won 2-1 | +181537 |
| 7modern | 332 | Okic, Amir (1652) | Lost 1-2 | -161521 |
| 8modern | 351 | Turko, Timothe (1516) | Lost 0-2 | -181503 |
| average opponent: 1538record: 4-4 | new rating: 1503 | |||