Cekal, Jakub
Current rating: 1409
Record: 2-7
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 18 | Vapenik, Karel (1448) | Lost 1-2 | -191481 |
| 2sealed | 208 | Geuens, Peter (1598) | Lost 1-2 | -161465 |
| 3sealed | 330 | Grabowski, Bastian (1485) | Lost 1-2 | -171448 |
| 4sealed | 359 | Ciprovska, Jana (1392) | Lost 0-2 | -191429 |
| 5sealed | 320 | Panocha, Radek (1428) | Won 2-0 | +181447 |
| 6sealed | 278 | Kovacs, Szilveszter (1397) | Lost 0-2 | -191428 |
| 7sealed | 244 | Brunner, Lukas (1427) | Won 2-0 | +181446 |
| 8sealed | 181 | Hochegger, Daniel (1429) | Lost 0-2 | -191427 |
| 9sealed | 147 | Dedecek, Martin (1426) | Lost 0-2 | -181409 |
| average opponent: 1448record: 2-7 | new rating: 1409 | |||