Machado Ribeiro de Sou,
Current rating: 1500
Record: 3-3
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 347 | Oliani, Marcos Paulo (1500) | Won 2-0 | +181518 |
| 2standard | 79 | da Silva Borges, Rafael (1518) | Won 2-0 | +181536 |
| 3standard | 180 | Rossello Lima, Luis Felippe (1524) | Won 2-0 | +181554 |
| 4standard | 5 | Santos, Danillo (1554) | Lost 1-2 | -181536 |
| 5standard | 98 | de Magalhaes Scalli, Guilherme (1550) | Lost 0-2 | -181518 |
| 6standard | 297 | Guaita, Nahuel (1518) | Lost 1-2 | -181500 |
| average opponent: 1527record: 3-3 | new rating: 1500 | |||