Fonseca Viegas, Samuel Junior
Current rating: 1411
Record: 0-5
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 429 | Ferrari, Henrique (1601) | Lost 0-2 | -161484 |
| 2modern | 484 | Rodrigues, Guilherme (1482) | Lost 0-2 | -181466 |
| 3modern | 605 | Wernesbach, Frederico (1421) | Lost 1-2 | -191447 |
| 4modern | 639 | De Souza, Alan Johnny (1444) | Lost 1-2 | -181429 |
| 5modern | 592 | Gallinaro Maranho, Julio (1433) | Lost 0-2 | -181411 |
| average opponent: 1476record: 0-5 | new rating: 1411 | |||