Ribeiro, Duan Rafael
Current rating: 1555
Record: 6-3
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 191 | Silveira Cabral, Daniel Luz (1500) | Lost 1-2 | -181482 |
| 2sealed | 234 | Hou, Renato William (1483) | Won 2-0 | +181500 |
| 3sealed | 237 | Almeida, Danilo (1501) | Won 2-1 | +181518 |
| 4sealed | 125 | Bitner Yoshimoto, Henrique (1518) | Won 2-1 | +181536 |
| 5sealed | 99 | Torres Barros, Walter (1520) | Won 2-1 | +181554 |
| 6sealed | 44 | Goes, Marcelo (1534) | Won 2-0 | +171571 |
| 7sealed | 30 | Inafuku, Christian (1628) | Won 2-1 | +191590 |
| 8sealed | 18 | Marcelo, Vinicius P (1570) | Lost 1-2 | -181572 |
| 9sealed | 53 | Contreras, Hugo (1605) | Lost 0-2 | -171555 |
| average opponent: 1540record: 6-3 | new rating: 1555 | |||