Czarnecki, Piotr
Current rating: 1480
Record: 6-8
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 100 | Illes, Marton (1490) | Lost 0-2 | -181458 |
| 2standard | 61 | Cwiklinski, Piotr (1482) | Won 2-1 | +181476 |
| 3standard | 381 | Csente, David (1466) | Won 2-0 | +181494 |
| 4standard | 211 | Viniczai, Tibor (1507) | Lost 0-2 | -171477 |
| 5standard | 414 | Pezzo, Fabio (1674) | Lost 1-2 | -151462 |
| 6standard | 437 | Topolski, Lukasz (1433) | Won 2-0 | +181480 |
| average opponent: 1509record: 3-3 | new rating: 1480 | |||
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 160 | Reiter, Marius (1567) | Lost 1-2 | -171483 |
| 3sealed | 256 | Hay, Christopher (1748) | Lost 1-2 | -131470 |
| 4sealed | 364 | Lasota, Artur (1481) | Won 2-0 | +181488 |
| 5sealed | 325 | Fijalkowski, Bartosz (1439) | Won 2-0 | +171505 |
| 6sealed | 219 | Taushanis, Zenon (1539) | Won 2-1 | +191524 |
| 7sealed | 167 | van der Vaart, Martijn (1851) | Lost 0-0 | -121512 |
| 8sealed | 94 | Kretschmer, Maximilian (1523) | Lost 1-2 | -181494 |
| 9sealed | 237 | de Jong, Bob (1491) | Lost 1-2 | -181476 |
| average opponent: 1580record: 3-5 | new rating: 1476 | |||