Penedo, Silvio
Current rating: 1536
Record: 8-6-2
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 63 | Ferrer, Andreu (1464) | Lost 0-2 | -181480 |
| 2sealed | 266 | Nunes, Joao (1481) | Won 2-0 | +181498 |
| 3sealed | 182 | Vilela, Jose (1571) | Draw 1-1 | +11499 |
| 4sealed | 164 | Lopes, Joao (1500) | Won 2-0 | +181517 |
| 5sealed | 118 | Montero Delgado, Alfredo (1485) | Lost 1-2 | -191498 |
| 6sealed | 145 | Boleta, Guilherme (1487) | Lost 0-2 | -181480 |
| 7sealed | 153 | Mourato, Miguel (1499) | Won 2-0 | +191499 |
| 8sealed | 109 | Lopes, Victor (1556) | Won 2-0 | +191518 |
| 9sealed | 78 | Melo, Hugo (1517) | Won 2-0 | +181536 |
| average opponent: 1507record: 5-3-1 | new rating: 1536 | |||
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 170 | Diaz De Neira, Alejandro (1500) | Won 2-0 | +181518 |
| 2sealed | 325 | Perez Enciso, Nicolas (1518) | Draw 1-1 | 01518 |
| 3sealed | 201 | Anula, Mario (1501) | Lost 0-2 | -181500 |
| 4sealed | 352 | Pires, Pedro (1435) | Won 2-0 | +171517 |
| 5sealed | 235 | Garcia, Ruben (1560) | Lost 1-2 | -181499 |
| 6sealed | 315 | Casa Nova, Alain (1440) | Lost 0-2 | -191480 |
| 7sealed | 305 | Losada Lopez, Sergio (1482) | Won 2-1 | +181498 |
| average opponent: 1491record: 3-3-1 | new rating: 1498 | |||