Machado, Joao
Current rating: 1474
| Grand Prix Lisbon 2012 (RTR limited) | starting rating: 1415 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 175 | Fraile Fernandez, Victor (1566) | Won 2-0 | +211436 |
| 2sealed | 106 | Alexandre, Pedro [PRT] (1518) | Won 2-0 | +191455 |
| 3sealed | 31 | Skorolupov, Nikolai (1602) | Won 2-1 | +211476 |
| 4sealed | 34 | Sajgalik, Eduardo (1841) | Lost 0-2 | -121464 |
| 5sealed | 91 | Ferreira, Miguel G (1535) | Lost 0-2 | -171447 |
| 6sealed | 183 | Formiga, Goncalo (1517) | Won 2-1 | +201467 |
| 7sealed | 121 | Kovacs, Gabor 6212 (1567) | Won 2-0 | +201487 |
| 8sealed | 81 | Krautmann, Wenzel (1826) | Lost 0-2 | -131474 |
| top | average opponent: 1621record: 5-3 | new rating: 1474 | ||
| Grand Prix Barcelona 2011 (MBS standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 596 | Alvarez, Manuel (1463) | Won 2-1 | +181464 |
| 2standard | 597 | Bueno Lara, Jose Jesus (1519) | Lost 0-2 | -171447 |
| 3standard | 621 | Munoz, David (1435) | Lost 1-2 | -181429 |
| 4standard | 755 | Kleij, Rogier (1639) | Lost 1-2 | -141415 |
| top | average opponent: 1514record: 1-3 | new rating: 1415 | ||
| Grand Prix Porto 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 135 | Giraldo, Borja (1500) | Lost 0-2 | -181482 |
| 2sealed | 254 | Santos, Andre 2 (1482) | Lost 0-2 | -181464 |
| 3sealed | 301 | Pereira, Filipe (1464) | Lost 1-2 | -181446 |
| 4sealed | 285 | Neves Silva, Andre (1446) | Won 0-0 | +181464 |
| 5sealed | 230 | Coelho, Eduardo (1464) | Lost 0-2 | -181446 |
| 6sealed | 199 | Ramalheira, Pedro (1446) | Lost 1-2 | -181428 |
| 7sealed | 180 | Jesus, Ricardo (1428) | Won 2-0 | +181446 |
| top | average opponent: 1461record: 2-5 | new rating: 1446 | ||