Hartwik, Kamil
Current rating: 1553
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 433 | Bozar, Gabor (1484) | Won 2-0 | +161588 |
| 2sealed | 360 | Bardh, Simon (1712) | Lost 1-2 | -151573 |
| 3sealed | 407 | Polok, Przemyslaw (1312) | Won 2-0 | +131586 |
| 4sealed | 246 | Salomonsen, Stig (1521) | Won 2-0 | +171603 |
| 5sealed | 168 | Dalton, Connor (1536) | Lost 1-2 | -201583 |
| 6sealed | 233 | Vanek, Jiri (1848) | Lost 0-2 | -131570 |
| 7sealed | 388 | Otero, Carlos (1635) | Lost 1-2 | -171553 |
| top | average opponent: 1578record: 3-4 | new rating: 1553 | ||
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 310 | Fiedler, Julius (1500) | Lost 1-2 | -201538 |
| 2standard | 381 | Jelinek, Jan (1396) | Won 2-1 | +161554 |
| 3standard | 586 | Rosic, Todor (1594) | Lost 1-2 | -171537 |
| 4standard | 660 | Zlotoiabko, Boris (1680) | Lost 0-2 | -161521 |
| 5standard | 599 | Brankov, Dejan (1377) | Won 2-1 | +161537 |
| 6standard | 502 | Rossetti, Tommaso (1580) | Won 2-1 | +181555 |
| 7standard | 348 | Lech, Cezary (1471) | Won 2-1 | +171572 |
| top | average opponent: 1514record: 4-3 | new rating: 1572 | ||
| Grand Prix Krakow 2007 (LRW standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 89 | Jaguszewski, Patrick (1500) | Lost 1-2 | -181482 |
| 2standard | 126 | Gargulak, Lubomir (1483) | Won 2-1 | +181500 |
| 3standard | 114 | Majewski, Maciej (1519) | Won 2-0 | +181518 |
| 4standard | 121 | Nesi, Eugenio (1647) | Lost 0-2 | -151503 |
| 5standard | 133 | Andrzejewski, Filip (1507) | Won 2-1 | +181521 |
| 6standard | 79 | Miliauskas, Mindaugas (1518) | Won 2-1 | +181539 |
| 7standard | 44 | Sappl, Josef (1561) | Lost 1-2 | -181521 |
| 8standard | 74 | Sobczynski, Artur (1520) | Won 2-1 | +181539 |
| 9standard | 63 | Lopes, Guillaume (1561) | Won 2-1 | +191558 |
| top | average opponent: 1535record: 6-3 | new rating: 1558 | ||