Oliveira Pereira, Diego Rafa
Current rating: 1508
Record: 6-6
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 19 | Oliveira, Hugo (1518) | Won 2-0 | +191520 |
| 3sealed | 8 | Quinta, Matheus Chaud (1627) | Lost 1-2 | -161504 |
| 4sealed | 51 | Mello, Adriano (1518) | Won 2-0 | +181522 |
| 5sealed | 46 | Teixeira Junior, Edson (1535) | Won 2-0 | +181540 |
| 6sealed | 35 | Damo da Rosa, Paulo Vitor (1748) | Lost 1-2 | -141526 |
| 7sealed | 56 | Maciel, Julio (1546) | Lost 0-2 | -181508 |
| average opponent: 1582record: 3-3 | new rating: 1508 | |||
| Grand Prix Curitiba 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 79 | Santana, Ivan C (1500) | Won 2-0 | +181518 |
| 2extended | 6 | Fonceca, Amauri G (1518) | Won 0-0 | +181536 |
| 3extended | 14 | Marque, Pedro Filipe (1500) | Lost 1-2 | -191517 |
| 4extended | 80 | Fior, Elton (1518) | Won 2-1 | +181535 |
| 5extended | 67 | Romao, Carlos (1650) | Lost 0-2 | -161519 |
| 6extended | 85 | Vasconcelos Junior, Joao Roberto (1517) | Lost 0-2 | -181501 |
| average opponent: 1534record: 3-3 | new rating: 1501 | |||