Ptasznik, Mikolaj
Current rating: 1431
Record: 3-7
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 326 | Mahdal, Oldrich (1495) | Lost 1-2 | -181446 |
| 2sealed | 540 | Remiga, Aleksandr (1610) | Lost 0-2 | -151431 |
| 3sealed | 454 | Mielniczuk, Lukasz (1392) | Won 2-0 | +181449 |
| 4sealed | 357 | Pietrzak, Piotr (1467) | Lost 0-2 | -181431 |
| average opponent: 1491record: 1-3 | new rating: 1431 | |||
| Grand Prix Birmingham 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 290 | Prados Gutierrez, Christophe (1446) | Won 2-0 | +171517 |
| 2modern | 193 | Edmondson, Steven (1600) | Lost 0-0 | -161501 |
| 3modern | 509 | Faessler, Tim (1555) | Lost 0-2 | -171484 |
| 4modern | 697 | Dagnall, Timothy (1395) | Lost 1-2 | -201464 |
| 5modern | 731 | Cowderoy, Paul (1458) | Won 2-1 | +181482 |
| 6modern | 596 | Johnson, Oliver (1480) | Lost 0-2 | -181464 |
| average opponent: 1489record: 2-4 | new rating: 1464 | |||