Ferreira, Frederico
Current rating: 1540
Record: 9-7
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 117 | Guedes, Vitor (1530) | Won 2-1 | +181536 |
| 2sealed | 120 | Lopez, Miguel (1518) | Won 2-1 | +171553 |
| 3sealed | 1 | Morilla, Alvaro (1508) | Won 2-1 | +181571 |
| 4sealed | 18 | Nieto Gutierrez, Antonio (1536) | Lost 1-2 | -191552 |
| 5sealed | 81 | Cardoso, Miguel 2791 (1535) | Won 2-0 | +181570 |
| 6sealed | 58 | Gonzalez, Francisco [ESP] (1738) | Lost 1-2 | -151555 |
| 7sealed | 48 | Cordeiro, Antonio Alex (1484) | Won 2-1 | +161571 |
| 8sealed | 33 | Canali, Pierre (1835) | Lost 0-2 | -131558 |
| 9sealed | 69 | Rodrigues, Andre (1523) | Lost 0-2 | -181540 |
| average opponent: 1579record: 5-4 | new rating: 1540 | |||
| Grand Prix Porto 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 45 | Penna, Mario (1504) | Won 2-0 | +181518 |
| 2sealed | 136 | Oliveira, Rui (1518) | Won 2-0 | +181536 |
| 3sealed | 69 | Sequeira, Ricardo (1536) | Lost 0-1 | -181518 |
| 4sealed | 135 | Urgueira, Andre (1518) | Won 0-0 | +181536 |
| 5sealed | 36 | Oliveira, Joao 2 (1537) | Lost 1-2 | -181518 |
| 6sealed | 106 | Lopes, Cesar (1490) | Lost 0-2 | -181500 |
| 7sealed | 128 | Brandao, Pedro (1499) | Won 2-1 | +181518 |
| average opponent: 1515record: 4-3 | new rating: 1518 | |||