Balek, Lubos
Current rating: 1528
Record: 5-4
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 170 | Brunner, Christian (1498) | Won 2-0 | +181518 |
| 2sealed | 101 | Svaton, Cenek (1516) | Won 2-0 | +181536 |
| 3sealed | 17 | Iliev, Ilian (1538) | Won 2-1 | +181554 |
| 4sealed | 89 | Larkin, John (1923) | Lost 1-2 | -121542 |
| 5sealed | 118 | Wysoczanski, Krzysztof (1538) | Won 2-1 | +181560 |
| 6sealed | 45 | Summersberger, Helmut (1697) | Lost 1-2 | -151545 |
| 7sealed | 141 | Collins, Richard (1539) | Lost 1-2 | -181527 |
| 8sealed | 118 | Cwalina, Andrzej (1543) | Won 2-1 | +181545 |
| 9sealed | 102 | Bero, Peter (1626) | Lost 1-2 | -171528 |
| average opponent: 1602record: 5-4 | new rating: 1528 | |||