Peirano, Octavio
Current rating: 1500
Record: 4-4
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 515 | Brito Vicente, Ramon (1444) | Won 2-0 | +171517 |
| 2modern | 158 | Marques Andrade Jorge, Victor (1518) | Lost 1-2 | -181499 |
| 3modern | 410 | Serafim, Rodrigo (1414) | Won 2-1 | +161515 |
| 4modern | 383 | Astorga, Alberto (1446) | Lost 1-2 | -191496 |
| 5modern | 349 | Labrin, David (1333) | Won 2-1 | +151511 |
| 6modern | 231 | Perez, Walter (1835) | Won 2-0 | +241535 |
| 7modern | 137 | Padilha Da Silva, Thiago (1574) | Lost 0-2 | -171518 |
| 8modern | 216 | Pereira Botelho, Rodrigo (1517) | Lost 0-2 | -181500 |
| average opponent: 1510record: 4-4 | new rating: 1500 | |||