Piatkiewicz, Pawel
Current rating: 1429
Record: 3-7
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 4 | Bartl, Christopher (1442) | Won 2-0 | +171500 |
| 2standard | 172 | Kosierkiewicz, Ernest (1443) | Lost 0-2 | -191481 |
| 3standard | 380 | Kutscher, Kit (1499) | Lost 1-2 | -171464 |
| 4standard | 651 | Galik, Lukas (1503) | Lost 0-2 | -181446 |
| 5standard | 612 | Viehmann, Dominik (1469) | Lost 0-2 | -171429 |
| average opponent: 1471record: 1-4 | new rating: 1429 | |||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 139 | Philippou, Alexander (1533) | Won 2-0 | +191519 |
| 2standard | 57 | Hula, Vladimir (1474) | Lost 0-2 | -191500 |
| 3standard | 272 | Chrobak, Bartlomiej (1501) | Lost 0-2 | -181482 |
| 4standard | 443 | Jerabek, Petr (1629) | Won 2-1 | +201502 |
| 5standard | 342 | Lisovskiy, Yan (1431) | Lost 0-2 | -191483 |
| average opponent: 1513record: 2-3 | new rating: 1483 | |||