Kozak, Kuba
Current rating: 1506
Record: 6-6-1
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 13 | Wieczorek, Konrad (1539) | Lost 0-2 | -171485 |
| 2sealed | 335 | Thirifays, Maylis (1372) | Won 2-0 | +161501 |
| 3sealed | 299 | Pikturna, Emilis (1499) | Won 2-0 | +181519 |
| 4sealed | 308 | Boussaud, Eliott (1817) | Lost 0-2 | -131506 |
| average opponent: 1557record: 2-2 | new rating: 1506 | |||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 123 | Wojcikowski, Mateusz (1500) | Won 2-0 | +181518 |
| 2standard | 123 | Piwiec, Arkadiusz (1489) | Draw 1-1 | -11517 |
| 3standard | 211 | Zawada, Michal (1518) | Won 2-1 | +181535 |
| 4standard | 185 | Marciniak, Grzegorz (1422) | Lost 0-2 | -201515 |
| 5standard | 273 | Spaans, Casper (1519) | Won 2-1 | +181533 |
| 6standard | 182 | Luczak, Marcin (1684) | Lost 0-2 | -151518 |
| 7standard | 271 | Frey, Alexander (1620) | Lost 0-2 | -161502 |
| 8standard | 283 | Orawec, Anna (1506) | Won 2-0 | +181520 |
| 9standard | 220 | Chomicki, Maciej (1518) | Lost 1-2 | -181502 |
| average opponent: 1531record: 4-4-1 | new rating: 1502 | |||