De Sa Bielenki, William
Current rating: 1520
Record: 8-7-1
| Grand Prix Porto Alegre 2017 (AER standard) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 156 | Joly Rodrigues, Lucas (1500) | Won 2-0 | +171564 |
| 2standard | 13 | de Souza Silva, Giliad (1531) | Lost 1-2 | -191545 |
| 3standard | 180 | Fiege, Leonardo (1504) | Lost 1-2 | -191526 |
| 4standard | 228 | Rivatto, Lizandro (1480) | Lost 1-2 | -181508 |
| 5standard | 254 | Borgonovi, William (1464) | Won 2-1 | +171525 |
| 6standard | 209 | Zucchetti Carrion, Thiago (1482) | Won 2-1 | +171542 |
| 7standard | 176 | Tarazona, Diego (1499) | Lost 0-2 | -191523 |
| 8standard | 178 | Braga, Daniel (1447) | Lost 1-2 | -191504 |
| 9standard | 169 | Morales, Ricardo (1394) | Won 2-0 | +161520 |
| average opponent: 1478record: 4-5 | new rating: 1520 | |||
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 30 | Lombardelli, Bruno (1556) | Draw 1-1 | +11501 |
| 4standard | 93 | Zaghi, Rafael (1501) | Won 2-1 | +181519 |
| 5standard | 49 | Bollati, Matias (1630) | Won 2-0 | +201539 |
| 6standard | 22 | Malin, Antti (1889) | Lost 0-0 | -121527 |
| 7standard | 57 | Lucas Gustavo Alves, (1553) | Won 2-0 | +191546 |
| 8standard | 39 | Silbermann Zilberdrut, Joel (1557) | Won 2-1 | +181564 |
| 9standard | 18 | De Nicola, Nicolas (1605) | Lost 1-2 | -171547 |
| average opponent: 1613record: 4-2-1 | new rating: 1547 | |||