Mateus De Souza, Vitor
Current rating: 1485
Record: 4-5
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 158 | Latorraca, Walter Bruno (1725) | Lost 0-2 | -141486 |
| 2modern | 225 | Maraboli, Rodolfo (1424) | Lost 0-2 | -191467 |
| 3modern | 382 | Marroni, Carlos Eduardo (1465) | Won 2-1 | +181485 |
| 4modern | 295 | Guardieiro Rodrigues, Luiz Felipe (1483) | Lost 1-2 | -181467 |
| 5modern | 325 | Bittencourt Ferreira, Cao (1466) | Won 2-0 | +181485 |
| 6modern | 252 | Pini, Pablo (1520) | Won 2-0 | +181503 |
| 7modern | 176 | Ribeiro Graciano, Rafael (1503) | Won 2-0 | +181521 |
| 8modern | 150 | Martins, Aline (1486) | Lost 1-2 | -181503 |
| 9modern | 135 | Ziviani Pagnan, Matheus (1498) | Lost 0-2 | -181485 |
| average opponent: 1508record: 4-5 | new rating: 1485 | |||