Kierzkowski, Oskar
Current rating: 1470
Record: 1-3
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 137 | Jurnicek, Lukas (1621) | Won 2-0 | +201520 |
| 2sealed | 51 | Panfilow, Artur (1518) | Lost 0-2 | -181502 |
| 3sealed | 429 | Takagi, Piotr (1504) | Lost 0-2 | -181484 |
| 4sealed | 451 | Pombinho, Fabio (1684) | Lost 1-2 | -141470 |
| average opponent: 1582record: 1-3 | new rating: 1470 | |||