Silveira, Douglas
Current rating: 1433
Record: 4-8
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 181 | Marinho, Luis (1482) | Won 2-1 | +191485 |
| 4modern | 28 | Zerbinatti, Edson (1530) | Lost 0-2 | -171468 |
| 5modern | 250 | Cichello, Diego Francisco (1396) | Lost 0-2 | -201448 |
| 6modern | 182 | Nunes da Silva, Rafael (1589) | Lost 1-2 | -151433 |
| average opponent: 1499record: 1-3 | new rating: 1433 | |||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 219 | Dos Santos Julio, Lucas (1500) | Lost 0-2 | -181482 |
| 2modern | 394 | Soares De Oliveira Junior, Sebastiao (1485) | Lost 0-2 | -181464 |
| 3modern | 677 | Silveira, Vagner Fernando (1478) | Lost 0-2 | -181446 |
| 4modern | 686 | Goncalves Caracio, Giovanni Paolo (1447) | Won 2-0 | +181464 |
| 5modern | 544 | Ebel Braga Ramos, Guilherme (1465) | Won 2-1 | +181482 |
| 6modern | 423 | Leite de Farias, Clayton (1582) | Won 2-0 | +201502 |
| 7modern | 353 | Domingues, Aleksander (1517) | Lost 1-2 | -181484 |
| 8modern | 316 | Morais, Mario (1487) | Lost 0-2 | -181466 |
| average opponent: 1495record: 3-5 | new rating: 1466 | |||