costa, nelson
Current rating: 1463
Record: 1-3-4
| Grand Prix Lisbon 2002 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 259 | Mendes, David (1500) | Draw 1-1 | 01500 |
| 2extended | 164 | Lopez-infantes, Raul (1515) | Draw 1-1 | 01500 |
| 3extended | 223 | Amorim, Hugo (1500) | Lost 0-2 | -181482 |
| 4extended | 297 | Neves, Vasco (1464) | Lost 1-2 | -181464 |
| 5extended | 305 | Fernandes, Carlos 5685 (1446) | Lost 0-2 | -181446 |
| 6extended | 285 | Cruz, Tiago (1446) | Won 2-1 | +181464 |
| 7extended | 238 | Feiteira, Goncalo (1463) | Draw 1-1 | 01464 |
| 8extended | 209 | Estranjeiro, Antonio (1446) | Draw 1-1 | -11463 |
| average opponent: 1472record: 1-3-4 | new rating: 1463 | |||