Serigado, David
Current rating: 1480
Record: 5-6-1
| Grand Prix Lisbon 2002 (extended) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 136 | Dias, Brunoliz (1500) | Draw 1-1 | 01518 |
| 2extended | 157 | Santos Marques, Ricardo (1500) | Lost 0-2 | -191499 |
| 3extended | 234 | Estranjeiro, Antonio (1482) | Won 2-0 | +181517 |
| 4extended | 199 | Polo, Roberto (1499) | Lost 1-2 | -181499 |
| 5extended | 240 | Girao, Pedro (1481) | Lost 1-2 | -191480 |
| average opponent: 1492record: 1-3-1 | new rating: 1480 | |||
| Grand Prix Porto 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Tavares, Miguel (1500) | Lost 0-2 | -181482 |
| 2sealed | 201 | Romudas, Luis (1482) | Won 2-0 | +181500 |
| 3sealed | 145 | Abreu, Rui (1500) | Lost 1-2 | -181482 |
| 4sealed | 239 | Calo, Christian (1482) | Won 0-0 | +181500 |
| 5sealed | 162 | Rodrigues, Marco (1500) | Won 2-0 | +181518 |
| 6sealed | 92 | Almeida, Rui (1522) | Won 2-0 | +181536 |
| 7sealed | 52 | Filgueira, Ramon (1535) | Lost 0-2 | -181518 |
| average opponent: 1503record: 4-3 | new rating: 1518 | |||