Rohacek, Jan
Current rating: 1583
Record: 11-7
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 12 | Hrycej, Martin (1500) | Won 2-0 | +181540 |
| 2sealed | 103 | Kuva, Jukka (1613) | Won 2-0 | +191559 |
| 3sealed | 32 | Gassauer-Fleissner, Severin (1536) | Lost 0-2 | -191540 |
| 4sealed | 162 | Illner, Markus (1522) | Won 2-0 | +181558 |
| 5sealed | 118 | Diez, Mikel (1641) | Lost 0-2 | -161542 |
| 6sealed | 194 | Schepp, Maurice (1529) | Won 2-1 | +171559 |
| 7sealed | 91 | Orsini Jones, Marco (1668) | Lost 1-2 | -161543 |
| 8sealed | 135 | Van Holsbeeck, Kristof (1742) | Won 2-0 | +221565 |
| 9sealed | 100 | Quaeschning, Max (1539) | Won 2-0 | +181583 |
| average opponent: 1588record: 6-3 | new rating: 1583 | |||
| Grand Prix Vienna 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 161 | Blomstergren, Viktor J (1529) | Won 2-1 | +191519 |
| 2extended | 31 | Grabeus, Damian (1523) | Won 2-1 | +181537 |
| 3extended | 69 | Bakule, Jakub (1578) | Lost 0-2 | -181519 |
| 4extended | 107 | Klemm, Matthis (1542) | Won 2-1 | +191538 |
| 5extended | 64 | Engleitner, Herbert (1669) | Won 2-1 | +201558 |
| 6extended | 32 | Goncalves, Tiago (1582) | Lost 0-2 | -171541 |
| 7extended | 81 | Papp, Rastislav (1510) | Won 2-1 | +171558 |
| 8extended | 70 | Njegomir, Manisa (1564) | Lost 0-2 | -181540 |
| 9extended | 88 | Pek, Ivan (1529) | Lost 0-2 | -181522 |
| average opponent: 1559record: 5-4 | new rating: 1522 | |||