Valek, Robert
Current rating: 1484
Record: 7-8
| Grand Prix Prague 2018 (modern) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 561 | Diefenbach, Jan (1500) | Won 2-1 | +181502 |
| 2modern | 224 | Eckert, Florian (1543) | Lost 0-2 | -171485 |
| 3modern | 784 | Divis, Adam (1497) | Lost 0-2 | -181467 |
| 4modern | 724 | Matejczuk, Michal (1482) | Lost 1-2 | -171450 |
| 5modern | 879 | Reich, Lucas (1399) | Won 2-0 | +171467 |
| 6modern | 685 | Lipko, Irek (1376) | Won 2-0 | +161483 |
| 7modern | 551 | Willmann, Philipp (1502) | Lost 0-2 | -181465 |
| 8modern | 548 | Ladachowski, Kamil (1507) | Won 2-0 | +191484 |
| average opponent: 1476record: 4-4 | new rating: 1484 | |||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 444 | Petersen, Malte (1500) | Lost 0-2 | -181482 |
| 2sealed | 505 | Eichenseer, Tobias (1546) | Lost 1-2 | -171465 |
| 3sealed | 871 | Calvet, Victor (1378) | Won 2-0 | +171482 |
| 4sealed | 772 | Schmidt, Julian (1537) | Lost 0-2 | -171465 |
| 5sealed | 833 | Carboni, Carlo (1515) | Lost 1-2 | -171448 |
| 6sealed | 821 | Ruegg, Lukas (1446) | Won 2-0 | +181466 |
| 7sealed | 708 | Leite, Ricardo (1501) | Won 2-0 | +181484 |
| average opponent: 1489record: 3-4 | new rating: 1484 | |||