Petrikowski, Jorn
Current rating: 1450
Record: 2-5-1
| Grand Prix Bologna 2019 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 410 | Kolitsopoulos, John (1500) | Won 2-0 | +181518 |
| 2legacy | 97 | Deckert, Michael (1776) | Draw 1-1 | +51523 |
| 3legacy | 308 | Huber, Andreas (1493) | Won 2-0 | +171540 |
| 4legacy | 166 | Kall, Marian (1574) | Lost 0-2 | -171523 |
| 5legacy | 325 | Paluch, Markus (1519) | Lost 1-2 | -181505 |
| 6legacy | 455 | Coppari, Leonardo (1501) | Lost 1-2 | -181487 |
| 7legacy | 466 | Nikolayev, Victor (1485) | Lost 0-2 | -181469 |
| 8legacy | 413 | Giglio, Edoardo (1443) | Lost 0-2 | -191450 |
| average opponent: 1536record: 2-5-1 | new rating: 1450 | |||