Vieira, Emerson
Current rating: 1484
Record: 2-3
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 120 | Trigo, Rafael (1505) | Won 2-1 | +181518 |
| 2modern | 83 | Almeida Cunha, Thiago (1470) | Lost 0-2 | -191499 |
| 3modern | 271 | Martinez, Sebastian [URU] (1665) | Lost 1-2 | -151484 |
| 4modern | 344 | Paiva, Cristiano (1484) | Won 2-1 | +181502 |
| 5modern | 278 | Wehrmeister, Alex (1500) | Lost 0-2 | -181484 |
| average opponent: 1525record: 2-3 | new rating: 1484 | |||