Andre Manoel Silveira,
Current rating: 1521
Record: 3-2-1
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 19 | Scheide, Tales Vicente (1500) | Won 2-1 | +181518 |
| 2modern | 70 | Gray Murray, Bruce (1527) | Won 2-0 | +181536 |
| 3modern | 50 | Barrozo, Andre (1603) | Draw 1-1 | +11537 |
| 4modern | 93 | Marezi, Caio (1536) | Won 2-0 | +181555 |
| 5modern | 47 | Gavilondo, Nicolas (1628) | Lost 0-2 | -161539 |
| 6modern | 108 | Ferreira, Joao Victor (1540) | Lost 1-2 | -181521 |
| average opponent: 1556record: 3-2-1 | new rating: 1521 | |||