Ferreira, Samuel
Current rating: 1499
Record: 3-3
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 153 | Barros, Juan Pablo Iba (1500) | Won 2-0 | +181518 |
| 2sealed | 11 | Da Silva, Diogo Filipe (1518) | Won 2-0 | +181536 |
| 3sealed | 5 | Antunes, Ricardo 4127 (1535) | Lost 0-2 | -181518 |
| 4sealed | 148 | Felix, Manuel (1482) | Won 2-0 | +171535 |
| 5sealed | 86 | Barros, Antonio Maria (1537) | Lost 0-2 | -181517 |
| 6sealed | 82 | Cortes, Pedro (1518) | Lost 0-2 | -181499 |
| average opponent: 1515record: 3-3 | new rating: 1499 | |||