Silva, Marcio
Current rating: 1557
Record: 6-3
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 38 | Toreha, Gianni (1500) | Won 2-1 | +181518 |
| 2modern | 92 | Magalhaes, Breno (1602) | Lost 0-2 | -161502 |
| 3modern | 190 | Bachmann, Oscar Mathias (1553) | Won 2-1 | +181520 |
| 4modern | 229 | Brugnara, Cicero (1523) | Won 2-1 | +191539 |
| 5modern | 119 | Stein, Kassio (1516) | Won 2-1 | +171556 |
| 6modern | 61 | Zerbinatti, Edson (1473) | Won 2-1 | +171573 |
| 7modern | 26 | de Castro, Leonardo (1723) | Lost 0-2 | -161557 |
| 8modern | 60 | Pena Congregado, Nahuel (1592) | Won 2-1 | +191576 |
| 9modern | 64 | Macedo Carvalho, Max (1508) | Lost 0-2 | -191557 |
| average opponent: 1555record: 6-3 | new rating: 1557 | |||