Barreiro, Ivo Santos
Current rating: 1520
Record: 5-4
| Grand Prix Lisbon 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 677 | Rodrigues, Marco (1447) | Won 2-0 | +171517 |
| 2sealed | 655 | Panara, Bruno (1488) | Lost 1-2 | -181499 |
| 3sealed | 700 | Oliviero, Marco (1705) | Won 2-1 | +211520 |
| 4sealed | 636 | Moen, Espen (1493) | Won 2-0 | +181538 |
| 5sealed | 570 | Tejo, Demian (1541) | Won 2-0 | +181556 |
| 6sealed | 540 | Ventura, Sergio (1621) | Lost 1-2 | -171539 |
| 7sealed | 600 | Danieli, Niv (1494) | Won 2-1 | +171556 |
| 8sealed | 560 | Ginel Fernandez, Jose (1556) | Lost 0-2 | -181538 |
| 9sealed | 708 | Lopes, Paulo (1511) | Lost 1-2 | -181520 |
| average opponent: 1539record: 5-4 | new rating: 1520 | |||