Mariotti, Giacomo
Current rating: 1491
Record: 5-6
| Grand Prix Bologna 2019 (legacy) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 505 | Liechti, Luca (1500) | Lost 1-2 | -171431 |
| 2legacy | 462 | Mosimann, Adrian (1482) | Lost 1-2 | -171414 |
| 3legacy | 740 | Beichler, Steve (1464) | Won 2-0 | +191433 |
| 4legacy | 506 | Pedretti, Gabriele (1482) | Lost 1-2 | -171416 |
| 5legacy | 689 | Striessnig, Andreas (1439) | Won 2-1 | +181434 |
| 6legacy | 471 | Debesson, Quentin (1416) | Won 2-1 | +181452 |
| 7legacy | 360 | Pekala, Rafal (1543) | Won 2-1 | +191471 |
| 8legacy | 282 | Starke, Robert (1570) | Won 2-0 | +201491 |
| average opponent: 1487record: 5-3 | new rating: 1491 | |||
| Grand Prix Rimini 2013 (M14 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 28 | Aguilar, Ruben (1500) | Lost 1-2 | -181482 |
| 2sealed | 302 | Masi, Dario (1447) | Lost 0-2 | -191463 |
| 3sealed | 420 | Drobny, Radoslav (1611) | Lost 1-2 | -151448 |
| average opponent: 1519record: 0-3 | new rating: 1448 | |||