Kosmalski, Mateusz
Current rating: 1465
Record: 3-5-1
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 916 | Schaller, Sebastian (1429) | Lost 0-1 | -191481 |
| 2legacy | 952 | Vaillant, Nicolas (1549) | Lost 0-2 | -171464 |
| 3legacy | 977 | Pace, Giovanni (1465) | Won 2-0 | +181482 |
| 4legacy | 950 | Vigo, Filippo (1486) | Won 2-0 | +181500 |
| 5legacy | 842 | Frissen, Kevin (1503) | Won 2-1 | +181518 |
| 6legacy | 793 | Khalitov, Albert (1516) | Lost 1-2 | -181500 |
| 7legacy | 851 | Flipo, Matthieu (1629) | Draw 1-1 | +21502 |
| 8legacy | 807 | Shortis, Sean (1455) | Lost 0-2 | -181484 |
| 9legacy | 783 | Balmas, Gary (1483) | Lost 0-2 | -191465 |
| average opponent: 1501record: 3-5-1 | new rating: 1465 | |||