Vojna, Jaroslav
Current rating: 1465
Record: 3-5
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 38 | Podzimkova, Christina (1500) | Won 2-0 | +181518 |
| 2standard | 234 | Lorenz, Maximilian (1694) | Lost 1-2 | -151503 |
| 3standard | 566 | Schepman, Patrick (1371) | Won 2-0 | +161519 |
| 4standard | 206 | Stanik, Daniel (1514) | Won 1-0 | +181537 |
| 5standard | 125 | Bordac, Lukas (1458) | Lost 1-2 | -201517 |
| 6standard | 388 | Ofmanski, Michal (1436) | Lost 1-2 | -191498 |
| 7standard | 423 | Markos, Daniel (1630) | Lost 0-2 | -161482 |
| 8standard | 391 | Salazar Gonzales, Jorge Alberto (1530) | Lost 1-2 | -171465 |
| average opponent: 1517record: 3-5 | new rating: 1465 | |||