Sulak, Jan
Current rating: 1508
Record: 11-11-1
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 677 | van der Vaart, Martijn (1542) | Lost 0-2 | -181512 |
| 2sealed | 707 | Skampa, Jan (1515) | Lost 0-2 | -181494 |
| 3sealed | 767 | Valousek, Jiri (1464) | Lost 0-2 | -181476 |
| 4sealed | 777 | Kouba, Matej (1447) | Won 2-1 | +171493 |
| 5sealed | 728 | Schiller, Zdenek (1464) | Lost 1-2 | -181475 |
| 6sealed | 711 | Puczka, Filip (1447) | Won 2-0 | +171492 |
| 7sealed | 669 | Pavlov, Stefan (1466) | Lost 0-2 | -181474 |
| 8sealed | 633 | Pribyl, Bohuslav (1454) | Won 2-0 | +171491 |
| 9sealed | 609 | Yashina, Valeria (1408) | Won 2-1 | +171508 |
| average opponent: 1467record: 4-5 | new rating: 1508 | |||
| Grand Prix Prague 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 162 | Samosvatov, Nick (1500) | Lost 1-2 | -181482 |
| 2sealed | 220 | Rajsl, Jakub (1482) | Won 2-0 | +181500 |
| 3sealed | 224 | Janecek, Michal (1500) | Won 2-0 | +181518 |
| 4sealed | 131 | Stibinger, Ales (1569) | Draw 1-1 | +11519 |
| 5sealed | 124 | Schurger, Oliver (1518) | Won 2-1 | +181537 |
| 6sealed | 73 | Nunes, Goncalo (1651) | Won 2-0 | +201557 |
| 7sealed | 40 | Dietze, Daniel (1550) | Won 2-0 | +181575 |
| 8sealed | 26 | Nepozitek, Bohumir (1561) | Won 2-1 | +181593 |
| 9draft | 9 | Smrek, Juraj (1653) | Lost 0-2 | -171576 |
| 10draft | 25 | Boeken, Noah (1975) | Lost 1-2 | -111565 |
| 11draft | 27 | Svoboda, Cenek (1565) | Won 2-1 | +181583 |
| 12draft | 22 | Sierocinski, Pawel (1579) | Lost 0-2 | -181565 |
| 13draft | 28 | Leonov, Max (1558) | Lost 0-2 | -191546 |
| 14draft | 30 | Tejnsky, Petr (1640) | Lost 1-2 | -161530 |
| average opponent: 1593record: 7-6-1 | new rating: 1530 | |||