Piszcz, Tomasz
Current rating: 1457
Record: 6-9
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 94 | Raczy, Bartosz (1519) | Won 2-1 | +181504 |
| 2standard | 203 | Krzyzyk, Michal (1505) | Won 2-1 | +181522 |
| 3standard | 13 | Widor, Slawomir (1523) | Lost 1-2 | -181504 |
| 4standard | 274 | Won, Dae Hoon (1675) | Lost 1-2 | -151489 |
| 5standard | 369 | Bochnak, Piotr (1417) | Won 2-0 | +171506 |
| 6standard | 242 | Valkeapaa, Tuomas (1703) | Lost 0-2 | -151491 |
| 7standard | 363 | Piwko, Pawel (1509) | Lost 0-2 | -171474 |
| 8standard | 319 | Ronczka, Jacek (1513) | Lost 1-2 | -171457 |
| average opponent: 1546record: 3-5 | new rating: 1457 | |||
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2 | Erenyi, Jakub (1736) | Won 2-0 | +221522 |
| 2sealed | 98 | Elliger, Christian (1602) | Lost 1-2 | -161506 |
| 3sealed | 367 | Chvatas, Jaroslavas (1446) | Lost 1-2 | -191487 |
| 4sealed | 437 | [anonymous] | Won 2-0 | +181505 |
| 5sealed | 345 | Markos, Daniel (1475) | Lost 0-2 | -191486 |
| 6sealed | 310 | Jurkowski, Dominik (1382) | Lost 0-2 | -201466 |
| 7sealed | 347 | Renner, Mark (1544) | Won 0-0 | +201486 |
| average opponent: 1524record: 3-4 | new rating: 1486 | |||