Mares, Josef
Current rating: 1300
Record: 2-14
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1373 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 8 | Kobierski, Piotr (1500) | Won 2-1 | +201393 |
| 2sealed | 92 | Belova, Zoya (1524) | Lost 0-2 | -151378 |
| 3sealed | 128 | Hajek, Radim (1527) | Lost 0-2 | -161362 |
| 4sealed | 233 | Venchiarutti, Philippe (1552) | Lost 0-2 | -141348 |
| 5sealed | 243 | Kalina, Jakub (1464) | Lost 0-2 | -161332 |
| 6sealed | 222 | Kubicky, Jaroslav (1428) | Lost 0-2 | -161316 |
| 7sealed | 176 | Froehlich, Roman (1440) | Lost 0-2 | -161300 |
| average opponent: 1491record: 1-6 | new rating: 1300 | |||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 659 | Bezucha, Ondrej (1500) | Lost 0-2 | -181482 |
| 2sealed | 716 | Cunderlik, Tomas (1482) | Lost 0-2 | -181464 |
| 3sealed | 809 | Humalamaki, Antti (1464) | Won 2-0 | +181482 |
| 4sealed | 836 | Bakos, Robert (1449) | Lost 0-2 | -191463 |
| 5sealed | 809 | Podjukl, Martin (1463) | Lost 0-2 | -181445 |
| 6sealed | 788 | Majer, Lukas (1445) | Lost 0-2 | -181427 |
| 7sealed | 754 | Dubec, Lukas (1412) | Lost 0-2 | -181409 |
| 8sealed | 702 | Gyenes, Ondrej (1409) | Lost 0-2 | -181391 |
| 9sealed | 664 | Kralik, Martin (1391) | Lost 0-2 | -181373 |
| average opponent: 1446record: 1-8 | new rating: 1373 | |||