Bia, Roberto Maria
Current rating: 1600
Record: 10-5
| Grand Prix Bologna 2019 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 519 | Saccani, Nicola (1394) | Won 2-0 | +161516 |
| 2legacy | 111 | Dalla Valle, Lorenzo (1544) | Won 2-1 | +191535 |
| 3legacy | 21 | Kindermann, Jan (1536) | Lost 0-2 | -181517 |
| 4legacy | 249 | Lipko, Irek (1371) | Won 2-0 | +151532 |
| 5legacy | 195 | Arneuve, Vladimir (1734) | Won 2-1 | +221554 |
| 6legacy | 50 | Capecce, Luigi (1459) | Won 2-1 | +161570 |
| 7legacy | 57 | Ferrato, Vincenzo (1541) | Won 2-0 | +171587 |
| 8legacy | 21 | Garzon Serrano, Nahum (1760) | Lost 0-2 | -151572 |
| 9legacy | 298 | Ivanov, Alexey (1571) | Lost 0-2 | -181554 |
| 10legacy | 340 | Gutbrod, Johannes (1709) | Lost 0-2 | -151539 |
| 11legacy | 360 | Reggiani, Samuele (1554) | Won 2-1 | +191558 |
| 12legacy | 339 | Shavyrin, Nickita (1595) | Won 2-0 | +181576 |
| 13legacy | 336 | Manenti, Giovanni (1708) | Won 2-0 | +211597 |
| 14legacy | 304 | Diem, Lukas (1784) | Lost 1-2 | -151582 |
| 15legacy | 325 | Boscagli, Francesco (1593) | Won 2-1 | +181600 |
| average opponent: 1590record: 10-5 | new rating: 1600 | |||