Grygierczyk, Mariusz
Current rating: 1511
Record: 5-4
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 50 | Guizzi, Christophe (1500) | Lost 1-2 | -181482 |
| 2standard | 292 | Eberhard, Marcel (1483) | Won 2-0 | +181500 |
| 3standard | 476 | Dietterich, Kevin (1405) | Lost 1-2 | -201480 |
| 4standard | 513 | Parenica, Vaclav (1485) | Lost 0-2 | -181462 |
| 5standard | 507 | Ofmanski, Michal (1445) | Won 2-0 | +181480 |
| 6standard | 406 | Kosierkiewicz, Ernest (1419) | Won 2-1 | +171497 |
| 7standard | 284 | Czuron, Alan (1451) | Lost 1-2 | -191478 |
| 8standard | 317 | Gschwantner, Jan (1293) | Won 2-0 | +151493 |
| 9standard | 251 | Ciszek, Arkadiusz (1511) | Won 2-1 | +181511 |
| average opponent: 1444record: 5-4 | new rating: 1511 | |||