Matias Cavalcanti De Albuque,
Current rating: 1463
Record: 2-4-1
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 73 | Almeida, Marcio (1445) | Lost 0-2 | -191481 |
| 2sealed | 106 | Christie Olsen, Michelle (1482) | Lost 0-2 | -181463 |
| 3sealed | 141 | De Oliveira, Everson (1464) | Won 2-1 | +181481 |
| 4sealed | 123 | Sama De Mayo, Leonardo (1482) | Draw 1-1 | 01481 |
| 5sealed | 123 | Papini, Fernando (1457) | Lost 0-2 | -181463 |
| 6sealed | 121 | Vaz, Cristiano (1464) | Won 2-1 | +181481 |
| 7sealed | 96 | Stein, Kassio (1499) | Lost 0-2 | -181463 |
| average opponent: 1470record: 2-4-1 | new rating: 1463 | |||