De Oliveira, Roberto Ramos
Current rating: 1556
Record: 6-3
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 241 | Rossatto, Fabricio (1500) | Won 2-0 | +181518 |
| 2modern | 61 | Joao Dalla, (1518) | Won 2-1 | +181536 |
| 3modern | 7 | Iadicicco, Demian (1503) | Won 2-0 | +171553 |
| 4modern | 52 | Alves Junior, Burt Lancaster (1519) | Lost 1-2 | -181535 |
| 5modern | 136 | Caggiano, Joao Ricardo (1507) | Lost 0-2 | -191516 |
| 6modern | 142 | Guilherme Colombo, Diego (1521) | Won 2-0 | +181534 |
| 7modern | 118 | Magalhaes, Breno (1620) | Won 2-0 | +201554 |
| 8modern | 87 | Teixeira, Adimar (1519) | Lost 1-2 | -191535 |
| 9modern | 90 | Ferreira, Rafael (1658) | Won 2-1 | +211556 |
| average opponent: 1541record: 6-3 | new rating: 1556 | |||