Kozubowski, Mariusz
Current rating: 1447
Record: 0-3
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 423 | Arthofer, Patrick (1500) | Lost 1-2 | -181482 |
| 2sealed | 585 | Hribek, Michal (1605) | Lost 1-2 | -161466 |
| 3sealed | 444 | Hajek, Piotr (1404) | Lost 1-2 | -191447 |
| average opponent: 1503record: 0-3 | new rating: 1447 | |||