Dubec, Lukas
Current rating: 1465
Record: 3-5-1
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 521 | Novotny, Ladislav (1500) | Lost 1-2 | -181482 |
| 2sealed | 722 | Englund, Simon E (1594) | Lost 0-2 | -161466 |
| 3sealed | 808 | Delanghe, Dimitri (1469) | Lost 1-2 | -181448 |
| 4sealed | 847 | Majer, Lukas (1445) | Lost 0-2 | -181430 |
| 5sealed | 827 | Kramer, Michal (1427) | Lost 1-2 | -181412 |
| 6sealed | 799 | Verner, Petr (1410) | Draw 1-1 | 01412 |
| 7sealed | 754 | Mares, Josef (1427) | Won 2-0 | +181430 |
| 8sealed | 700 | Ludwikowski, Jan (1428) | Won 2-1 | +181448 |
| 9sealed | 655 | Sparacio, Patricia (1399) | Won 2-0 | +171465 |
| average opponent: 1456record: 3-5-1 | new rating: 1465 | |||