Chaves, Gustavo
Current rating: 1499
Record: 2-2
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 20 | Flores, Rodrigo (1518) | Won 2-0 | +181518 |
| 2sealed | 59 | Garcia, Dhenyz (1518) | Won 2-0 | +181536 |
| 3sealed | 2 | Soares Tannus, Adriano (1536) | Lost 1-2 | -181518 |
| 4sealed | 55 | Lafuente, Diego (1462) | Lost 1-2 | -191499 |
| average opponent: 1509record: 2-2 | new rating: 1499 | |||