Chvatas, Jaroslavas
Current rating: 1478
Record: 4-6
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 200 | Wilk, Piotr (1500) | Won 2-0 | +191464 |
| 2sealed | 146 | Nissen, Steffen L (1500) | Lost 1-2 | -181446 |
| 3sealed | 367 | Piszcz, Tomasz (1506) | Won 2-1 | +191465 |
| 4sealed | 201 | Litvak, Mark (1542) | Won 2-1 | +201485 |
| 5sealed | 120 | Wald, Piotr (1756) | Lost 0-2 | -131472 |
| 6sealed | 305 | Orzech, Marcin (1523) | Won 2-1 | +181490 |
| 7sealed | 265 | Gilligan, Daniel (1817) | Lost 0-0 | -121478 |
| average opponent: 1592record: 4-3 | new rating: 1478 | |||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 138 | Lis, Michal (1500) | Lost 0-2 | -181482 |
| 3standard | 291 | Olczak, Dariusz (1349) | Lost 1-2 | -201462 |
| 4standard | 403 | Zywczyk, Michal (1514) | Lost 1-2 | -171445 |
| average opponent: 1455record: 0-3 | new rating: 1445 | |||