Matys, Ondrej
Current rating: 1487
Record: 3-4
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 599 | Hajek, Tomas (1399) | Won 2-0 | +161516 |
| 2sealed | 651 | Held, Marco (1565) | Lost 0-2 | -171499 |
| 3sealed | 607 | Helbig, Martin (1601) | Lost 1-2 | -161483 |
| 4sealed | 725 | Holtzberg, Julius (1523) | Won 2-0 | +191502 |
| 5sealed | 668 | Hugony, Francesco (1797) | Lost 0-2 | -131489 |
| 6sealed | 679 | Zigo, Peter (1480) | Lost 1-2 | -181471 |
| 7sealed | 662 | Kelterbaum, Richard (1369) | Won 2-0 | +161487 |
| average opponent: 1533record: 3-4 | new rating: 1487 | |||