Antoszczyk, Jan
Current rating: 1515
Record: 3-3
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 119 | Vardzik, Tomas (1517) | Won 2-1 | +181518 |
| 2standard | 309 | Dienelt, Ivo (1474) | Lost 1-2 | -181500 |
| 3standard | 489 | Bok, Przemek (1466) | Won 2-0 | +171517 |
| 4standard | 254 | Borek, Ales (1668) | Won 2-1 | +211538 |
| 5standard | 263 | Boucek, Jaroslav (1872) | Lost 1-2 | -121526 |
| 6standard | 422 | Juza, Martin (1988) | Lost 0-2 | -111515 |
| average opponent: 1664record: 3-3 | new rating: 1515 | |||