Chetnik, Maciej
Current rating: 1448
Record: 2-5-1
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 312 | Mauri, Marco (1643) | Won 2-1 | +211521 |
| 2sealed | 260 | Rensonnet, Pierre (1651) | Lost 0-2 | -161505 |
| 3sealed | 504 | Foukakis, Giannis (1503) | Lost 0-2 | -181487 |
| 4sealed | 636 | Diagne, Maeva (1417) | Lost 0-2 | -191468 |
| 5sealed | 731 | Minin, Andrey (1449) | Won 2-0 | +171485 |
| 6sealed | 650 | Gyba, Konrad (1406) | Draw 1-1 | -11484 |
| 7sealed | 545 | Franchi, Urbano (1485) | Lost 1-2 | -181466 |
| 8sealed | 495 | Winkenstern, Jason (1463) | Lost 0-2 | -181448 |
| average opponent: 1502record: 2-5-1 | new rating: 1448 | |||