Lukes, Martin
Current rating: 1469
Record: 3-5
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 55 | Illner, Markus (1518) | Lost 0-2 | -181482 |
| 3sealed | 143 | Rehacek, Vit (1465) | Lost 1-2 | -181464 |
| 4sealed | 286 | Jemiolek, Jakub (1481) | Won 2-0 | +181482 |
| 5sealed | 260 | Lefever, Joris (1555) | Lost 1-2 | -161466 |
| 6sealed | 229 | Strasak, Jan (1484) | Lost 0-2 | -181448 |
| 7sealed | 216 | Haman, Ondrej (1467) | Won 2-0 | +181466 |
| 8sealed | 173 | Stephan, Juergen (1606) | Lost 1-2 | -151451 |
| 9sealed | 139 | Myslicki, Mateusz (1465) | Won 2-0 | +181469 |
| average opponent: 1505record: 3-5 | new rating: 1469 | |||