Marszalkowski, Jakub
Current rating: 1498
Record: 4-4
| Grand Prix Warsaw 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 123 | Leszko, Krzyztof (1500) | Won 2-1 | +181518 |
| 2block | 43 | Stavas, Ola (1453) | Lost 0-2 | -191499 |
| 3block | 90 | Kurzymski, Norbert (1432) | Won 2-0 | +171516 |
| 4block | 70 | Szegho, Dalibor (1538) | Lost 0-2 | -181498 |
| 5block | 136 | Kasinski, Tomas (1500) | Won 2-0 | +181516 |
| 6block | 90 | wojaczek, Lukasz (1518) | Won 2-0 | +181534 |
| 7block | 56 | Ellingsen, Kenneth (1536) | Lost 1-2 | -181516 |
| 8block | 61 | Krupinski, Pawel (1515) | Lost 1-2 | -181498 |
| average opponent: 1499record: 4-4 | new rating: 1498 | |||