Silva Bobsin, Wyllyam
Current rating: 1505
Record: 4-4
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 244 | Barcellos, Guilherme (1690) | Lost 1-2 | -151485 |
| 2modern | 283 | De Moraes Thofehrn, Frederico (1486) | Lost 1-2 | -181467 |
| 3modern | 364 | Hirt, Jonathan (1462) | Won 2-1 | +181485 |
| 4modern | 282 | Lemos, Wendel (1466) | Won 2-1 | +181503 |
| 5modern | 180 | Zuniga Vukusich, Ignacio (1466) | Won 2-0 | +171520 |
| 6modern | 190 | Zazzali, Ignacio (1533) | Won 2-1 | +191539 |
| 7modern | 87 | Douglas Steinstrasser Martins, (1535) | Lost 1-2 | -191520 |
| 8modern | 147 | De Lima, Ivan Shirahama Loure (1639) | Lost 0-2 | -151505 |
| average opponent: 1535record: 4-4 | new rating: 1505 | |||