Kovarik, Josef
Current rating: 1400
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 66 | Novak, Pavel (1500) | Lost 0-2 | -171415 |
| 2sealed | 362 | Krejza, Marek (1450) | Lost 1-2 | -171398 |
| 3sealed | 412 | Dubeda, Jakub (1462) | Won 2-1 | +191417 |
| 4sealed | 323 | Buchar, Viktor (1481) | Lost 1-2 | -171400 |
| top | average opponent: 1473record: 1-3 | new rating: 1400 | ||
| Grand Prix Vienna 2001 (ODY limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 59 | Parazzoli, Dario (1569) | Lost 0-2 | -161430 |
| 2sealed | 269 | Matousek, Kamil (1463) | Lost 1-2 | -171413 |
| 3sealed | 300 | Leschnik, Michael (1463) | Won 2-1 | +191432 |
| top | average opponent: 1498record: 1-2 | new rating: 1432 | ||
| Grand Prix Prague 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 59 | Filip, David (1500) | Lost 0-2 | -181482 |
| 2sealed | 267 | Lahovsky, Petr (1482) | Won 2-0 | +181500 |
| 3sealed | 180 | Sandorf, Jan (1491) | Lost 0-2 | -181482 |
| 4sealed | 220 | Cetl, Erwin (1488) | Lost 1-2 | -181464 |
| 5sealed | 251 | Findejs, Jan (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1485record: 1-4 | new rating: 1446 | ||