Koszka, Przemyslaw
Current rating: 1465
Record: 3-5
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 52 | Koptisch, Stefan (1500) | Won 2-1 | +181518 |
| 2sealed | 91 | Nahodil, Petr (1558) | Lost 0-2 | -171501 |
| 3sealed | 319 | Rais, Vaclav (1500) | Won 2-0 | +181519 |
| 4sealed | 175 | Premysl, Houska (1518) | Won 2-0 | +181537 |
| 5sealed | 88 | Loydl, Marcus (1522) | Lost 0-2 | -191518 |
| 6sealed | 182 | Cwalina, Andrzej (1545) | Lost 1-2 | -171501 |
| 7sealed | 201 | Kuben, Petr (1497) | Lost 0-2 | -181483 |
| 8sealed | 201 | Skurzynski, Marcin (1483) | Lost 0-2 | -181465 |
| average opponent: 1515record: 3-5 | new rating: 1465 | |||