Silveira, Ismael
Current rating: 1446
Record: 0-3
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 10 | Ardanza, Lucas (1500) | Lost 1-2 | -181482 |
| 2sealed | 113 | Conceicao Doile, Leonardo (1482) | Lost 0-2 | -181464 |
| 3sealed | 140 | dos Santos, Jean Pierr (1464) | Lost 0-2 | -181446 |
| average opponent: 1482record: 0-3 | new rating: 1446 | |||