Costa, David
Current rating: 1446
Record: 0-3
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 222 | Otero Martinez, Ruben (1500) | Lost 1-2 | -181482 |
| 2sealed | 202 | Moreira, Alfonso (1482) | Lost 0-2 | -181464 |
| 3sealed | 234 | Constancio, Filipe (1464) | Lost 0-2 | -181446 |
| average opponent: 1482record: 0-3 | new rating: 1446 | |||