Duarte, Joao 6743
Current rating: 1549
Record: 7-5-1
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 101 | Maestro San Juan, Valentin T (1500) | Won 2-0 | +181504 |
| 3sealed | 38 | Adebo Diaz, Juan Carlos (1664) | Draw 1-1 | +31507 |
| 4sealed | 59 | Cardoso, Goncalo (1553) | Won 2-0 | +191526 |
| 5sealed | 25 | Lemoine, Vincent (1714) | Lost 0-2 | -151511 |
| 6sealed | 67 | Reznikov, Dmitry (1563) | Won 2-0 | +191530 |
| 7sealed | 36 | Nunn, Richard (1507) | Won 2-0 | +181548 |
| 8sealed | 21 | Neves, Nuno (1575) | Won 2-0 | +181566 |
| 9sealed | 10 | Campos, Paulo (1585) | Lost 0-2 | -171549 |
| average opponent: 1583record: 5-2-1 | new rating: 1549 | |||
| Grand Prix Lisbon 2002 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 59 | Guarino, Massimo (1540) | Lost 0-2 | -171483 |
| 5extended | 101 | Munoz, Alberto (1539) | Lost 1-2 | -171466 |
| 6extended | 160 | Domingo, Gonzalo (1482) | Won 2-0 | +181484 |
| 7extended | 106 | Barreiras, Igor (1539) | Won 2-0 | +191503 |
| 8extended | 73 | Giusti, Norberto (1547) | Lost 0-2 | -171486 |
| average opponent: 1529record: 2-3 | new rating: 1486 | |||