Canteiro, Joao
Current rating: 1568
Record: 9-5
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 111 | Belmonte Castro, Raul (1500) | Won 2-1 | +171534 |
| 2sealed | 132 | Casaca, Patricia (1518) | Won 2-1 | +181552 |
| 3sealed | 49 | Neto, Antonio (1536) | Won 2-0 | +181570 |
| 4sealed | 28 | Sousa, Luis (1784) | Lost 1-2 | -141556 |
| 5sealed | 72 | Martino, Pedro 9507 (1533) | Won 2-0 | +171573 |
| 6sealed | 36 | Salsa, Nuno (1517) | Lost 0-2 | -191554 |
| 7sealed | 61 | Frois, Luis (1547) | Lost 1-2 | -181536 |
| 8sealed | 89 | Morgado, Nelson (1491) | Won 2-1 | +171553 |
| 9sealed | 64 | Rocha, Francisco (1387) | Won 2-1 | +151568 |
| average opponent: 1535record: 6-3 | new rating: 1568 | |||
| Grand Prix Barcelona 1999 (USG sealed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 93 | Ibanez, Rafael (1500) | Won 0-0 | +181518 |
| 3sealed | 53 | Villena, Gus (1518) | Won 0-0 | +181536 |
| 4sealed | 35 | Gonzales, Roman (1536) | Lost 0-0 | -181518 |
| 5sealed | 53 | Gasa, Joaquin (1467) | Won 0-0 | +171535 |
| 6sealed | 30 | Laur, Pierre-Alain (1518) | Lost 0-0 | -181517 |
| average opponent: 1508record: 3-2 | new rating: 1517 | |||