Hercilio dos Santos, Diego
Current rating: 1480
Record: 3-4
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 14 | Da Silva, Guilherme Henrique (1500) | Won 2-0 | +181518 |
| 2sealed | 5 | Vieira, Paulo (1517) | Won 2-1 | +181536 |
| 3sealed | 10 | Olejavetzky, Pablo (1475) | Lost 0-2 | -191517 |
| 4sealed | 66 | Calarota, Nicolas (1520) | Lost 1-2 | -181499 |
| 5sealed | 114 | Ferreira, Paulo Henrique (1486) | Lost 0-2 | -181481 |
| 6sealed | 105 | Ewerling, Itibere (1426) | Won 2-1 | +171498 |
| 7sealed | 87 | Crusius, Diego (1499) | Lost 1-2 | -181480 |
| average opponent: 1489record: 3-4 | new rating: 1480 | |||