Ditrich, Karel
Current rating: 1464
Record: 2-4
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 236 | Tucek, Jan (1500) | Lost 1-2 | -181482 |
| 2sealed | 257 | Balas, Nikola (1481) | Lost 1-2 | -181464 |
| 3sealed | 369 | Pytloun, Ludek (1447) | Lost 0-2 | -181446 |
| 4sealed | 419 | Pastucha, Marek (1445) | Won 2-1 | +181464 |
| 5sealed | 373 | Lakatos, Mark (1461) | Won 2-0 | +181482 |
| 6sealed | 285 | Rosenkranz, Ondrej (1482) | Lost 0-2 | -181464 |
| average opponent: 1469record: 2-4 | new rating: 1464 | |||