Horalek, Stepan
Current rating: 1504
Record: 6-6
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 93 | Guzel, Adam (1532) | Lost 0-2 | -181503 |
| 3sealed | 160 | Liebich, Igor (1496) | Lost 1-2 | -181485 |
| 4sealed | 247 | Fiser, Matej (1485) | Won 2-0 | +181503 |
| 5sealed | 217 | Janovsky, David (1415) | Won 2-1 | +161519 |
| 6sealed | 160 | Molokanov, Alexander Y (1661) | Lost 0-2 | -151504 |
| average opponent: 1518record: 2-3 | new rating: 1504 | |||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 206 | Volny, Adam (1501) | Won 2-0 | +181518 |
| 2sealed | 85 | Mastny, Frantisek (1518) | Won 2-1 | +181536 |
| 3sealed | 46 | Van Nieuwenhove, Jan (1573) | Lost 0-2 | -171519 |
| 4sealed | 153 | Pelc, Marek (1518) | Won 2-1 | +181537 |
| 5sealed | 93 | Stanic, Bojan (1475) | Lost 1-2 | -191518 |
| 6sealed | 221 | Kral, Martin (1516) | Won 2-0 | +181536 |
| 7sealed | 127 | Strom, Tobias (1727) | Lost 0-2 | -151521 |
| average opponent: 1547record: 4-3 | new rating: 1521 | |||