Carvalho, Manuel
Current rating: 1450
Record: 4-7
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 165 | Boluk, Bilge Kaan (1500) | Lost 0-2 | -181446 |
| 2sealed | 269 | Moreira, Diogo (1482) | Won 2-0 | +191465 |
| 3sealed | 158 | Becerra, Manuel (1501) | Lost 0-2 | -171448 |
| 4sealed | 198 | Tiago, Rato (1515) | Won 2-1 | +191467 |
| 5sealed | 121 | Gabriel, Jose (1501) | Lost 1-2 | -171450 |
| average opponent: 1500record: 2-3 | new rating: 1450 | |||
| Grand Prix Lisbon 2002 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 208 | Lopes, Bruno (1500) | Lost 1-2 | -181482 |
| 2extended | 212 | Pereira, Nuno 8357 (1482) | Lost 1-2 | -181464 |
| 3extended | 272 | Perez Sousa, Julian (1463) | Lost 1-2 | -181446 |
| 4extended | 308 | Cardim, Joao (1447) | Won 2-0 | +181464 |
| 5extended | 279 | Freire, Adrian (1464) | Won 2-0 | +181482 |
| 6extended | 226 | Garcia, Tiago (1465) | Lost 0-2 | -181464 |
| average opponent: 1470record: 2-4 | new rating: 1464 | |||