Zanka, Jakub
Current rating: 1418
Record: 3-8
| Grand Prix Prague 2017 (AER limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 36 | Schulz, Steffi (1500) | Lost 0-2 | -171429 |
| 2sealed | 487 | Hardubej, Eduard (1483) | Lost 1-2 | -171412 |
| 3sealed | 834 | Krejsa, Tomas (1568) | Lost 1-2 | -151397 |
| 4sealed | 920 | Kubel, Malte (1381) | Won 2-1 | +181415 |
| 5sealed | 814 | Winkler, Eric (1565) | Won 2-0 | +201435 |
| 6sealed | 734 | Merlet, Cedric (1491) | Lost 1-2 | -171418 |
| average opponent: 1498record: 2-4 | new rating: 1418 | |||
| Grand Prix Prague 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 156 | Pors, Marcel (1500) | Won 2-0 | +181518 |
| 2legacy | 62 | Finkes, Sebastian (1513) | Lost 1-2 | -181500 |
| 3legacy | 400 | McParlinJones, Joe (1488) | Lost 0-2 | -181482 |
| 4legacy | 513 | Chiassoni, Luca (1482) | Lost 1-2 | -181464 |
| 5legacy | 624 | Evert, Michael (1486) | Lost 0-2 | -181446 |
| average opponent: 1494record: 1-4 | new rating: 1446 | |||