Mikes, Ondra
Current rating: 1483
Record: 4-5
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 624 | Klaue, Alexander (1599) | Lost 0-2 | -161484 |
| 2sealed | 797 | Gallner, Bernd (1482) | Lost 0-2 | -181466 |
| 3sealed | 830 | Alvarez Busto, Camilo (1465) | Lost 1-2 | -181448 |
| 4sealed | 851 | Bittner, Regina (1445) | Won 2-0 | +181466 |
| 5sealed | 816 | Otahal, Jiri (1463) | Won 2-1 | +181484 |
| 6sealed | 732 | Gierszewski, Maciek (1471) | Lost 0-2 | -191465 |
| 7sealed | 724 | Ondrejicka, Matej (1468) | Won 2-1 | +181483 |
| 8sealed | 666 | Mendl, Jiri (1479) | Won 2-0 | +181501 |
| 9sealed | 628 | Kungurow, Siegfried (1486) | Lost 1-2 | -181483 |
| average opponent: 1484record: 4-5 | new rating: 1483 | |||