De Oliveira Py, Denis
Current rating: 1482
Record: 3-4
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 34 | Moreine Thejano, Guilherne (1500) | Lost 0-2 | -181482 |
| 2sealed | 132 | Sotres, Reinaldo (1482) | Won 2-1 | +181500 |
| 3sealed | 70 | Silbermann Zilberdrut, Joel (1501) | Lost 0-2 | -181482 |
| 4sealed | 120 | Toro, Rafael W (1464) | Lost 1-2 | -181464 |
| 5sealed | 142 | Da Silva, Guilherme (1463) | Won 2-0 | +181482 |
| 6sealed | 103 | Rosa Dos Reis, Luis Henrique (1481) | Won 2-1 | +181500 |
| 7sealed | 85 | Seisdedos, Jose Luis Antonio (1512) | Lost 1-2 | -181482 |
| average opponent: 1486record: 3-4 | new rating: 1482 | |||