De Souza, Edvan Roberto
Current rating: 1479
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 296 | Mattar, Marcelo Henrique (1500) | Won 2-0 | +181514 |
| 2modern | 12 | Zadra, Lucas (1518) | Lost 0-2 | -181496 |
| 3modern | 276 | Miom Maria, Eberton Henrique (1556) | Won 2-1 | +191515 |
| 4modern | 338 | Pradenas Avila, Ernesto (1525) | Won 2-1 | +181533 |
| 5modern | 204 | Pinheiro Da Cunha, Nicolau (1540) | Lost 0-2 | -181515 |
| 6modern | 337 | Junqueira Paiva Vieira, Marcos (1520) | Lost 0-2 | -181497 |
| 7modern | 341 | Pacheco, Gustavo (1493) | Lost 1-2 | -181479 |
| top | average opponent: 1522record: 3-4 | new rating: 1479 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 43 | Vale, Rafael (1537) | Lost 0-2 | -171496 |
| top | record: 0-1 | new rating: 1496 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 293 | Campos, Joe (1512) | Lost 0-2 | -181482 |
| 2modern | 421 | Oliveira, Jackwalker (1482) | Won 2-0 | +181500 |
| 3modern | 585 | Da Silva, Gustavo (1356) | Won 2-0 | +161516 |
| 4modern | 414 | Park, Alejandro (1483) | Lost 0-2 | -191497 |
| 5modern | 273 | Pinto, Renato (1566) | Lost 1-2 | -171480 |
| 6modern | 465 | Duarte Perez, Leandro (1483) | Won 2-0 | +181498 |
| 7modern | 290 | Treuko, Nicholas (1441) | Won 2-0 | +171515 |
| 8modern | 275 | Marotta, Roberto (1473) | Lost 0-2 | -191496 |
| 9modern | 283 | Gonzalez, Pedro [CHL] (1419) | Won 2-0 | +171513 |
| top | average opponent: 1468record: 5-4 | new rating: 1513 | ||