Lang, Ondrej
Current rating: 1464
Record: 3-5
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 269 | Hanacek, Jan (1542) | Lost 0-2 | -171483 |
| 2standard | 526 | Schawe, Philipp (1444) | Lost 0-2 | -191464 |
| 3standard | 655 | Austerhuber, Paul (1464) | Won 2-0 | +181482 |
| 4standard | 582 | Pruisken, Henrik (1480) | Won 2-1 | +181500 |
| 5standard | 468 | Cziszter, Eduard (1476) | Lost 1-2 | -181482 |
| 6standard | 492 | Palmkvist, Joakim (1538) | Won 2-1 | +191501 |
| 7standard | 437 | Hornacek, Martin (1505) | Lost 1-2 | -181483 |
| 8standard | 376 | Bouril, Frantisek (1434) | Lost 0-2 | -191464 |
| average opponent: 1485record: 3-5 | new rating: 1464 | |||