Horak, Petr
Current rating: 1560
Record: 5-2-1
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 12 | Krenmayer, Daniel (1523) | Won 2-1 | +181518 |
| 3standard | 137 | Floris, Filippo (1544) | Draw 1-1 | +11519 |
| 4standard | 222 | Giesser, Thomas (1535) | Lost 1-2 | -181501 |
| 5standard | 364 | Danek, Petr (1670) | Won 2-1 | +211522 |
| 6standard | 237 | Netsch, Daniel (1534) | Won 2-0 | +181540 |
| 7standard | 152 | Wagner, Silvio (1486) | Won 2-1 | +171557 |
| 8standard | 28 | Deibler, Christian (1624) | Won 2-0 | +201577 |
| 9standard | 51 | Cooman, Andy (1650) | Lost 1-2 | -171560 |
| average opponent: 1571record: 5-2-1 | new rating: 1560 | |||