Mayerhofer, Katrin
Current rating: 1464
Record: 2-4
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 704 | Kvac, Vladan (1500) | Won 2-0 | +181518 |
| 2sealed | 646 | Findejs, Jan (1554) | Lost 1-2 | -171501 |
| 3sealed | 668 | Haka, Petr (1650) | Won 2-0 | +201521 |
| 4sealed | 691 | Arnaud, Christophe (1454) | Lost 0-2 | -191502 |
| 5sealed | 682 | Karlhuber-vockl, Peter (1448) | Lost 1-2 | -191483 |
| 6sealed | 731 | Marous, Roman (1430) | Lost 0-2 | -191464 |
| average opponent: 1506record: 2-4 | new rating: 1464 | |||