Kosiorek, Maciej
Current rating: 1430
Record: 0-4
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 38 | Hayoun Caballero, Isaac (1622) | Lost 1-2 | -161484 |
| 2standard | 276 | Wong, Hok Chun Anson (1481) | Lost 0-2 | -181466 |
| 3standard | 516 | Barborik, Lukas (1431) | Lost 0-2 | -181448 |
| 4standard | 546 | Glonek, Marcin (1479) | Lost 0-2 | -181430 |
| average opponent: 1503record: 0-4 | new rating: 1430 | |||