Marek, Janca
Current rating: 1428
Record: 1-5
| Grand Prix Prague 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 167 | Rezek, Martin (1500) | Lost 0-2 | -181482 |
| 2sealed | 197 | Michalik, Petr (1482) | Lost 1-2 | -181464 |
| 3sealed | 261 | Conka, Stefan (1464) | Lost 1-2 | -181446 |
| 4sealed | 282 | Hoffmann, Krzysztof (1446) | Lost 0-2 | -181428 |
| 5sealed | 277 | Beliankin, Serguei (1428) | Won 2-1 | +181446 |
| 6sealed | 234 | Kubicek, Martin (1445) | Lost 0-2 | -181428 |
| average opponent: 1461record: 1-5 | new rating: 1428 | |||