Bettencourt, David
Current rating: 1482
Record: 3-4
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 50 | De Nova De La Mata, Silvia (1472) | Lost 0-2 | -191481 |
| 2sealed | 219 | Camarada, Bruno (1482) | Won 2-0 | +181499 |
| 3sealed | 194 | Alves, Nuno (1500) | Lost 0-2 | -171482 |
| 4sealed | 240 | Neves, Emanuel (1512) | Won 2-0 | +181500 |
| 5sealed | 134 | Simoes, Rodrigo (1499) | Won 2-0 | +181518 |
| 6sealed | 118 | Dias, Agostinho (1518) | Lost 1-2 | -181500 |
| 7sealed | 123 | Rosado, Diogo (1499) | Lost 0-2 | -181482 |
| average opponent: 1497record: 3-4 | new rating: 1482 | |||