Gorzelanczyk, Piotr
Current rating: 1470
Record: 5-7-1
| Grand Prix Prague 2016 (legacy) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 244 | Diez, Omar (1402) | Lost 0-2 | -201521 |
| 4legacy | 282 | Csoti, Gabor (1489) | Lost 0-2 | -191502 |
| 5legacy | 435 | Bonanni, Claudio (1759) | Lost 0-2 | -131489 |
| 6legacy | 486 | Vogt, Daniel (1469) | Lost 1-2 | -191470 |
| average opponent: 1530record: 0-4 | new rating: 1470 | |||
| Grand Prix Prague 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 23 | Bures, Marek (1654) | Won 2-0 | +211521 |
| 2modern | 182 | Menendez, Christian (1503) | Won 2-1 | +171538 |
| 3modern | 84 | Lemoine, Vincent (1964) | Lost 0-2 | -101528 |
| 4modern | 423 | Janig, Philipp (1431) | Draw 1-1 | -21526 |
| 5modern | 351 | Gyhagen, Mikael (1465) | Won 2-1 | +171543 |
| 6modern | 20 | Peltier, Charles (1414) | Won 2-0 | +161559 |
| 7modern | 140 | Tetzlaff, Leonard (1595) | Lost 1-2 | -181541 |
| 8modern | 224 | Sainz de Vicuna, Cesar (1545) | Won 2-1 | +181559 |
| 9modern | 157 | Viezzi, Devid (1546) | Lost 0-2 | -181541 |
| average opponent: 1569record: 5-3-1 | new rating: 1541 | |||