Tkoc, Karel
Current rating: 1427
Record: 1-5
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 196 | Seemann, Pavel (1500) | Lost 0-2 | -181482 |
| 2sealed | 297 | Pisot, Luka (1483) | Lost 0-2 | -181464 |
| 3sealed | 381 | Netrefa, Jiri (1464) | Lost 0-2 | -181446 |
| 4sealed | 424 | Novak, Radek 2822 (1444) | Won 1-0 | +181464 |
| 5sealed | 348 | Glinsky, Karol (1465) | Lost 0-1 | -181446 |
| 6sealed | 335 | Zbynek, Berecka (1398) | Lost 0-2 | -191427 |
| average opponent: 1459record: 1-5 | new rating: 1427 | |||