Karpierz, Jarek
Current rating: 1543
Record: 10-7-1
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 62 | Wrzeszcz, Kajetan (1500) | Lost 1-2 | -191553 |
| 2standard | 275 | Mytyk, Edyta (1483) | Won 2-0 | +161569 |
| 3standard | 467 | Penard, Adrien (1535) | Lost 1-2 | -181551 |
| 4standard | 474 | Milewicz, Mateusz (1562) | Won 2-0 | +181569 |
| 5standard | 63 | Pashintsev, Vitali (1505) | Lost 0-2 | -191550 |
| 6standard | 393 | Coors, Raphael (1391) | Lost 1-2 | -211529 |
| 7standard | 402 | Grothauzen, Saskia (1469) | Won 2-1 | +171546 |
| 8standard | 294 | Standtke, Till (1504) | Won 2-0 | +171563 |
| 9standard | 220 | Klutz, Andreas (1481) | Lost 1-2 | -201543 |
| average opponent: 1492record: 4-5 | new rating: 1543 | |||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 88 | Maciejuniec, Maciej (1500) | Won 2-0 | +181518 |
| 2standard | 29 | Banasik, Marek (1518) | Lost 0-2 | -181500 |
| 3standard | 293 | Gurinas, Edvinas [LTU] (1397) | Won 2-0 | +161516 |
| 4standard | 209 | Topolski, Lukasz (1516) | Won 2-0 | +181534 |
| 5standard | 220 | Madej, Damian (1498) | Draw 1-1 | -11533 |
| 6standard | 187 | Schwarz, Dennis (1510) | Won 2-0 | +181551 |
| 7standard | 116 | Van Campenhout, Geert (1566) | Won 2-0 | +181569 |
| 8standard | 73 | Myslinski, Grzegorz (1558) | Won 2-0 | +181587 |
| 9standard | 40 | van Heems, Rogier (1737) | Lost 1-2 | -151572 |
| average opponent: 1533record: 6-2-1 | new rating: 1572 | |||