Machado Viegas, Breno
Current rating: 1528
Record: 5-4
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 313 | Vinicius, Alan (1500) | Won 2-0 | +181518 |
| 2modern | 219 | Ramos Lima, Andre (1544) | Won 2-0 | +181536 |
| 3modern | 75 | dos Santos Vieira, Eduardo (1967) | Lost 0-2 | -101526 |
| 4modern | 182 | Paulo Carvalho, Joao (1520) | Lost 0-2 | -181508 |
| 5modern | 262 | Bittner Silva, Edgar (1467) | Won 2-1 | +171525 |
| 6modern | 216 | Santos, Danillo (1564) | Lost 1-2 | -171508 |
| 7modern | 396 | Dias Granato, Bernardo (1654) | Won 2-1 | +201528 |
| 8modern | 302 | Guidotti, Ricardo (1517) | Lost 1-2 | -181510 |
| 9modern | 253 | Duarte Perez, Leandro (1503) | Won 2-1 | +181528 |
| average opponent: 1582record: 5-4 | new rating: 1528 | |||