Pereira, Joao Ricardo
Current rating: 1500
Record: 3-3
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 66 | Gomez-salas, Jose Mari (1500) | Lost 0-2 | -181482 |
| 2sealed | 185 | Farinhas, Marcio (1482) | Won 2-1 | +181500 |
| 3sealed | 139 | Araujo, Marcelo (1499) | Won 2-0 | +181518 |
| 4sealed | 84 | Martino, Pedro 9507 (1515) | Lost 0-2 | -181500 |
| 5sealed | 180 | Carmo, Rafael (1500) | Won 1-0 | +181518 |
| 6sealed | 120 | de Miguel, Juan Pedro (1517) | Lost 0-2 | -181500 |
| average opponent: 1502record: 3-3 | new rating: 1500 | |||