Boruvka, Jan
Current rating: 1414
Record: 2-7
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 339 | Kutscher, Kit (1500) | Lost 1-2 | -181464 |
| 2standard | 422 | Cerny, Martin (1486) | Won 2-1 | +181482 |
| 3standard | 471 | Famiani, Guglielmo (1579) | Lost 0-2 | -161466 |
| 4standard | 577 | Wolff, Tobias (1635) | Lost 1-2 | -151451 |
| 5standard | 635 | Pohlmann, Susanne (1441) | Lost 0-2 | -181433 |
| 6standard | 585 | Hegedus, Daniel (1395) | Lost 0-2 | -191414 |
| average opponent: 1506record: 1-5 | new rating: 1414 | |||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 540 | Zijp, Teun (1527) | Lost 0-2 | -181482 |
| 2sealed | 758 | Otahal, Jiri (1482) | Won 2-0 | +181500 |
| 3sealed | 658 | Seitz, Sven (1453) | Lost 1-2 | -181482 |
| average opponent: 1487record: 1-2 | new rating: 1482 | |||