Zbynek, Berecka
Current rating: 1383
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 115 | Buchar, Viktor (1500) | Lost 1-2 | -171431 |
| 2sealed | 327 | Koci, Martin (1482) | Lost 1-2 | -171414 |
| 3sealed | 419 | Berka, Martin (1432) | Won 2-0 | +181432 |
| 4sealed | 318 | Soukupova, Petra (1480) | Lost 1-2 | -171415 |
| 5sealed | 335 | Kunst, Jan (1464) | Lost 1-2 | -171398 |
| 6sealed | 335 | Tkoc, Karel (1446) | Won 2-0 | +191417 |
| 7sealed | 255 | Bina, Frantisek (1465) | Lost 0-2 | -171400 |
| 8sealed | 217 | Lozak, Erik (1444) | Lost 0-2 | -171383 |
| top | average opponent: 1464record: 2-6 | new rating: 1383 | ||
| Grand Prix Vienna 2001 (ODY limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 221 | Boyko, Andrey (1500) | Lost 1-2 | -171447 |
| 2sealed | 248 | poepplitsch, michael (1481) | Won 2-0 | +181465 |
| 3sealed | 207 | Stokelj, Marko (1502) | Lost 0-1 | -171448 |
| top | average opponent: 1494record: 1-2 | new rating: 1448 | ||
| Grand Prix Prague 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 48 | Bahnik, Stepan (1500) | Lost 0-2 | -181482 |
| 2sealed | 207 | Jerabek, Petr (1483) | Lost 0-2 | -181464 |
| 3sealed | 280 | Hrdlicka, Zdenek (1464) | Won 2-0 | +181482 |
| 4sealed | 256 | Skultety, Roman (1482) | Lost 0-2 | -181464 |
| 5sealed | 244 | Blazej, Tomas (1465) | Won 2-0 | +181482 |
| 6sealed | 213 | Kadavy, Petr (1484) | Lost 0-2 | -181464 |
| 7sealed | 201 | Cerych, Ondrej (1465) | Lost 0-2 | -181446 |
| 8sealed | 186 | Hlavka, Petr (1445) | Won 2-0 | +181464 |
| top | average opponent: 1473record: 3-5 | new rating: 1464 | ||