Rosa, John
Current rating: 1500
Record: 2-2-1
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 235 | Teixeira, Joao (1500) | Lost 0-2 | -181482 |
| 2sealed | 210 | Almeida, Tiago (1501) | Lost 0-2 | -181464 |
| 3sealed | 243 | Pina, Fernando (1463) | Draw 0-0 | 01464 |
| 4sealed | 247 | Moreira, Miguel 6 (1464) | Won 2-0 | +181482 |
| 5sealed | 188 | Oliveira, Pedro 3372 (1482) | Won 2-1 | +181500 |
| average opponent: 1482record: 2-2-1 | new rating: 1500 | |||