Mierzynski, Patryk
Current rating: 1388
Record: 1-7
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 17 | Holubec, Ondrej (1477) | Won 2-0 | +181518 |
| 2standard | 125 | Niewiarowski, Artur (1510) | Lost 0-2 | -191499 |
| 3standard | 460 | Oramus, Marek (1501) | Lost 0-2 | -181481 |
| 4standard | 484 | Sand, John Harald (1485) | Lost 1-2 | -171464 |
| 5standard | 474 | Maciukiewicz, Marcin (1350) | Lost 0-2 | -211443 |
| 6standard | 475 | Krzyzanowski, Kacper (1447) | Lost 0-2 | -171426 |
| 7standard | 62 | Kovacs, Gabor (1326) | Lost 1-2 | -201406 |
| 8standard | 349 | Konopko, Lukasz (1407) | Lost 0-2 | -181388 |
| average opponent: 1438record: 1-7 | new rating: 1388 | |||