Janecek, Petr
Current rating: 1501
Record: 3-3
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 164 | Bujarek, Kamil (1500) | Won 2-1 | +181518 |
| 2sealed | 195 | Lambacher, Mario (1551) | Lost 0-2 | -171501 |
| 3sealed | 330 | Dusek, Daniel (1512) | Lost 1-2 | -181483 |
| 4sealed | 331 | Vrba, Jan (1482) | Won 2-1 | +181501 |
| 5sealed | 284 | Schidlik, Balazs (1533) | Won 2-1 | +181519 |
| 6sealed | 142 | Boyko, Andrey (1473) | Lost 1-2 | -181501 |
| average opponent: 1508record: 3-3 | new rating: 1501 | |||