Costa Dos Santos, Igor
Current rating: 1427
Record: 1-5
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 118 | Chessini Gomes, Frederico (1500) | Lost 0-2 | -181482 |
| 2sealed | 120 | Moraes Sotres, Raul (1481) | Lost 0-2 | -181464 |
| 3sealed | 154 | Figueiro, Cleo (1463) | Won 2-0 | +181482 |
| 4sealed | 145 | Aguirre, Nicolas (1481) | Lost 0-2 | -181464 |
| 5sealed | 140 | Pauly Fernandes, Francisco (1399) | Lost 0-2 | -191445 |
| 6sealed | 131 | Maier Bestetti, Rodrico (1447) | Lost 0-2 | -181427 |
| average opponent: 1462record: 1-5 | new rating: 1427 | |||