Zemko, Michal
Current rating: 1522
Record: 7-6-2
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 544 | Csete, Norbert (1489) | Lost 1-2 | -191506 |
| 2sealed | 1334 | Winand, Tomas (1567) | Draw 1-1 | +11507 |
| 3sealed | 1029 | Hutschenreiter, Ella (1480) | Won 2-1 | +171524 |
| 4sealed | 794 | Tichy, Robert (1498) | Lost 0-2 | -181506 |
| 5sealed | 923 | De Broux, Misha (1485) | Won 2-0 | +181524 |
| 6sealed | 729 | Dolce, Mirko (1509) | Won 2-0 | +171541 |
| 7sealed | 532 | Manni, Alessio (1475) | Lost 0-2 | -191522 |
| average opponent: 1500record: 3-3-1 | new rating: 1522 | |||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 511 | Schmidt, Matthias (1500) | Lost 1-2 | -181482 |
| 2sealed | 652 | Mede, Tobias (1442) | Lost 0-2 | -191463 |
| 3sealed | 844 | Helfer, Felix (1491) | Draw 1-1 | +11464 |
| 4sealed | 895 | Dietterich, Kevin (1345) | Won 2-1 | +161480 |
| 5sealed | 771 | Leidig, Andreas (1501) | Won 2-0 | +181498 |
| 6sealed | 606 | Smirnov, Dmitry (1665) | Won 2-1 | +211519 |
| 7sealed | 443 | Caffiaux, Benoit (1539) | Won 2-0 | +181537 |
| 8sealed | 319 | Baudys, Ondrej (1826) | Lost 1-2 | -121525 |
| average opponent: 1539record: 4-3-1 | new rating: 1525 | |||