Viegas, Gustavo
Current rating: 1482
Record: 2-3
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 37 | Soares, Hugo (1500) | Lost 1-2 | -181482 |
| 2sealed | 166 | Cancado, Pedro (1482) | Lost 1-2 | -181464 |
| 3sealed | 251 | Hernandez, Ruben [ESP] (1444) | Won 2-0 | +181482 |
| 4sealed | 169 | Pina, Jorge (1482) | Won 2-0 | +181500 |
| 5sealed | 147 | Cortes, Pedro (1500) | Lost 1-2 | -181482 |
| average opponent: 1481record: 2-3 | new rating: 1482 | |||