Bittner, Regina
Current rating: 1409
Record: 2-7
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 591 | Sormani, Reto (1438) | Lost 1-2 | -191481 |
| 2sealed | 710 | Janata, Ondrej (1482) | Lost 0-2 | -181463 |
| 3sealed | 803 | Otahal, Jiri (1464) | Lost 0-2 | -181445 |
| 4sealed | 851 | Mikes, Ondra (1448) | Lost 0-2 | -181427 |
| 5sealed | 828 | Verner, Petr (1428) | Won 2-1 | +181445 |
| 6sealed | 794 | Teiml, Dominik (1447) | Lost 0-2 | -181427 |
| 7sealed | 748 | Foutik, Igor (1427) | Won 2-1 | +181445 |
| 8sealed | 689 | [anonymous] | Lost 0-2 | -181427 |
| 9sealed | 661 | Kunz, Ernst (1445) | Lost 0-2 | -181409 |
| average opponent: 1447record: 2-7 | new rating: 1409 | |||