Kolacz, Piotr
Current rating: 1502
Record: 4-4
| Grand Prix Warsaw 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 72 | Janowski, Jacek (1500) | Lost 1-2 | -181482 |
| 2block | 123 | Bulakowski, Janusz (1482) | Won 2-0 | +181500 |
| 3block | 106 | Wolowiec, Przemyslaw (1485) | Lost 0-2 | -181482 |
| 4block | 158 | Makowski, Kamil (1481) | Won 2-0 | +181500 |
| 5block | 118 | Van Tuan, Viet (1500) | Won 2-0 | +181518 |
| 6block | 68 | Vorona, Denis (1542) | Lost 0-2 | -181500 |
| 7block | 123 | Eidner, Frank (1499) | Won 2-0 | +181518 |
| 8block | 59 | Kolomeyko, Yuri (1596) | Lost 1-2 | -161502 |
| average opponent: 1511record: 4-4 | new rating: 1502 | |||