Do O, Silvio
Current rating: 1448
Record: 2-5-2
| Grand Prix Lisbon 2002 (extended) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 203 | Rocha, Joao (1500) | Lost 0-2 | -171447 |
| 2extended | 279 | Rodrigues, Pedro (1482) | Draw 1-1 | 01447 |
| 3extended | 231 | Arlati, Claudio Giuseppe (1431) | Draw 1-1 | 01447 |
| 4extended | 294 | Feiteira, Goncalo (1482) | Won 2-0 | +191466 |
| 5extended | 237 | Vinagre, Antonio (1500) | Lost 0-2 | -181448 |
| average opponent: 1479record: 1-2-2 | new rating: 1448 | |||
| Grand Prix Porto 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Ramalheira, Pedro (1500) | Won 2-1 | +181518 |
| 2sealed | 33 | Silva, Amenico (1518) | Lost 0-2 | -181500 |
| 3sealed | 115 | Laranjairo, Luis (1500) | Lost 1-2 | -181482 |
| 4sealed | 207 | Aspas, Diego (1482) | Lost 0-0 | -181464 |
| average opponent: 1500record: 1-3 | new rating: 1464 | |||