Dos Santos Junior, Osmar
Current rating: 1465
Record: 3-5
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 229 | Paes Batista, Lucas Augusto (1537) | Won 2-1 | +191519 |
| 2modern | 123 | Tateishi, Leandro (1438) | Lost 1-2 | -201499 |
| 3modern | 397 | Melo de Carvalho, Bernardo (1586) | Lost 1-2 | -161483 |
| 4modern | 475 | Mello, Edgar (1483) | Won 2-1 | +181501 |
| 5modern | 304 | Bareiro Escobar, Carlos Alberto (1504) | Won 2-1 | +181519 |
| 6modern | 183 | Luiz Martinez, Gabriel (1518) | Lost 0-2 | -181501 |
| 7modern | 321 | Terreri, Marcelo (1503) | Lost 0-2 | -181483 |
| 8modern | 391 | Ferrari, Bruno (1485) | Lost 0-2 | -181465 |
| average opponent: 1507record: 3-5 | new rating: 1465 | |||