Wieczor, Jan
Current rating: 1465
Record: 2-4
| Grand Prix Prague 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 79 | Kanibolotska, Kateryna (1500) | Lost 1-2 | -181482 |
| 2sealed | 491 | Billiani, Felix (1448) | Lost 0-2 | -191463 |
| 3sealed | 849 | Oyntzen, Lars (1566) | Won 2-1 | +201483 |
| 4sealed | 679 | Oravec, Michal (1570) | Won 2-1 | +201503 |
| 5sealed | 575 | Hajek, Tomas (1405) | Lost 0-2 | -201483 |
| 6sealed | 740 | Zaninelli, Giovanni (1505) | Lost 0-2 | -181465 |
| average opponent: 1499record: 2-4 | new rating: 1465 | |||