De Freitas Barreiro, Mateus
Current rating: 1502
Record: 4-4-1
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 121 | Popper, Johann (1501) | Won 2-0 | +181518 |
| 2modern | 253 | De Oliveira Junior, Jose Roberto (1500) | Lost 0-2 | -181500 |
| 3modern | 426 | Cesar Siqueira, Jorge Henrique (1713) | Won 2-1 | +221522 |
| 4modern | 220 | Lima Hofer, Joao Pedro (1501) | Lost 1-2 | -191503 |
| 5modern | 371 | Souza Silva, Swandher (1500) | Lost 0-2 | -181485 |
| 6modern | 380 | Ramos, William (1484) | Lost 1-2 | -181467 |
| 7modern | 452 | Leal, Marco (1449) | Won 2-0 | +181485 |
| 8modern | 348 | Araujo Gontijo, Allan (1469) | Won 2-0 | +171502 |
| 9modern | 273 | Soarez Da Silva, Dandalo (1503) | Draw 1-1 | 01502 |
| average opponent: 1513record: 4-4-1 | new rating: 1502 | |||