Klippel Vaz, Peterson
Current rating: 1481
Record: 3-4
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 47 | Soares, Alexandro (1500) | Won 2-0 | +181518 |
| 2sealed | 78 | Winnik Filho, Sergio (1518) | Lost 0-2 | -181500 |
| 3sealed | 121 | Ardanza, Lucas (1499) | Lost 0-2 | -181482 |
| 4sealed | 129 | Funari, Pedro (1482) | Lost 0-2 | -181464 |
| 5sealed | 137 | Fagundes Weisheimer, Renan (1464) | Won 2-1 | +181482 |
| 6sealed | 114 | Schneider, Daniel [DEU] (1434) | Won 2-0 | +171499 |
| 7sealed | 81 | Borges, Eduardo (1499) | Lost 0-2 | -181481 |
| average opponent: 1485record: 3-4 | new rating: 1481 | |||