Grzywa, Mateusz
Current rating: 1503
Record: 3-3
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 463 | Bettelhauser, Eike (1473) | Won 2-1 | +181518 |
| 2sealed | 448 | Markovic, Peter (1500) | Lost 0-2 | -191499 |
| 3sealed | 289 | Malinowski, Wojciech (1537) | Won 2-0 | +191518 |
| 4sealed | 219 | Kapera, Krzysztof (1681) | Won 2-1 | +211539 |
| 5sealed | 181 | Ratilainen, Tomi (1669) | Lost 1-2 | -161523 |
| 6sealed | 193 | Czech, David (1425) | Lost 0-2 | -201503 |
| average opponent: 1548record: 3-3 | new rating: 1503 | |||