Rocha, Joao
Current rating: 1452
Record: 3-6
| Grand Prix Lisbon 2012 (RTR limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | De Nicola, Giacomo (1682) | Lost 0-2 | -151448 |
| 2sealed | 242 | Ferreira, Arlindo (1484) | Lost 1-2 | -171431 |
| 3sealed | 283 | Coimbra, Ivo (1480) | Won 2-1 | +191450 |
| 4sealed | 268 | Alexandre, Miguel (1485) | Won 2-0 | +191469 |
| 5sealed | 178 | Bertin, Pierre (1571) | Lost 1-2 | -171452 |
| average opponent: 1540record: 2-3 | new rating: 1452 | |||
| Grand Prix Lisbon 2002 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 203 | Do O, Silvio (1464) | Won 2-0 | +171517 |
| 2extended | 133 | Henrique, Pedro (1518) | Lost 1-2 | -181499 |
| 3extended | 213 | Honorato, Cristovao (1501) | Lost 0-1 | -181481 |
| 4extended | 209 | Santana, Vitor (1433) | Lost 0-2 | -181463 |
| average opponent: 1479record: 1-3 | new rating: 1463 | |||