Ziolkiewicz, Marek
Current rating: 1466
Record: 3-5
| Grand Prix Bologna 2019 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 338 | Szejner, Adam (1471) | Won 2-1 | +171517 |
| 2legacy | 171 | Justo, Ruben (1656) | Lost 0-2 | -151502 |
| 3legacy | 560 | Alonso Ortiz, Emilio (1667) | Lost 0-2 | -151487 |
| 4legacy | 705 | Loconte, Lorenzo (1482) | Lost 0-2 | -181469 |
| 5legacy | 679 | Portele, Patrick (1490) | Lost 1-2 | -181451 |
| 6legacy | 605 | Guerini, Massimiliano (1450) | Won 2-1 | +181469 |
| 7legacy | 483 | Bayukov, Dmitry (1389) | Won 2-1 | +171486 |
| 8legacy | 390 | Garcia Gallegos, Pedro (1398) | Lost 0-2 | -201466 |
| average opponent: 1500record: 3-5 | new rating: 1466 | |||