Oliveira Da Silva, Leonardo
Current rating: 1482
Record: 2-3
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 37 | Yabel Jr., Eduardo (1500) | Won 2-1 | +181518 |
| 2sealed | 63 | Guidi, Ivan (1519) | Lost 0-2 | -181500 |
| 3sealed | 123 | Pereira, Adriano (1514) | Lost 0-2 | -181482 |
| 4sealed | 110 | Da Silva, Guilherme (1481) | Won 2-0 | +181500 |
| 5sealed | 99 | Dos Santos, Murilo Corral (1499) | Lost 0-2 | -181482 |
| average opponent: 1503record: 2-3 | new rating: 1482 | |||