Ratajewski, Piotr
Current rating: 1535
Record: 4-2-2
| Grand Prix Warsaw 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 108 | Demidov, Alex (1500) | Draw 1-1 | 01500 |
| 2block | 103 | Gulinski, Sebastian (1500) | Won 2-0 | +181518 |
| 3block | 59 | Jankowski, Ryszard (1518) | Won 2-1 | +181536 |
| 4block | 43 | Skibinski, Bartosz (1536) | Won 2-0 | +181554 |
| 5block | 23 | Kopp, Peter (1574) | Lost 1-2 | -181536 |
| 6block | 49 | Kazbieruk, Wojciech (1445) | Draw 1-1 | -11535 |
| 7block | 73 | Grimm, Martin (1524) | Won 2-0 | +181553 |
| 8block | 49 | Appel, Rene (1566) | Lost 0-2 | -181535 |
| average opponent: 1520record: 4-2-2 | new rating: 1535 | |||