Przeperski, Irwin
Current rating: 1500
Record: 3-3
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 79 | Larsson, Rikard (1443) | Won 2-0 | +171517 |
| 2standard | 82 | Eschelbach, Torsten (1588) | Lost 1-2 | -171500 |
| 3standard | 290 | Skubik, Marcin (1503) | Won 2-0 | +181518 |
| 4standard | 170 | Krysinski, Milos (1521) | Won 2-0 | +181536 |
| 5standard | 267 | Rouze, Simon (1482) | Lost 1-2 | -191517 |
| 6standard | 282 | Cekaj, Kristian (1544) | Lost 1-2 | -171500 |
| average opponent: 1513record: 3-3 | new rating: 1500 | |||