Cavalheiro, Mauro Rocha
Current rating: 1518
Record: 4-3
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 29 | Fischer, Gustavo (1465) | Won 2-1 | +171517 |
| 2sealed | 70 | Rivero, Federico (1500) | Lost 1-2 | -181499 |
| 3sealed | 80 | Christie Olsen, Michelle (1500) | Won 2-0 | +181517 |
| 4sealed | 85 | Villela, Artur (1569) | Lost 0-2 | -171500 |
| 5sealed | 81 | Di Frenco De Oliveri, Guilhe (1500) | Lost 0-2 | -181482 |
| 6sealed | 118 | Guevara, Omar (1481) | Won 2-1 | +181500 |
| 7sealed | 93 | Dos Santos Lopes, Lucas (1500) | Won 2-1 | +181518 |
| average opponent: 1502record: 4-3 | new rating: 1518 | |||