Do Valle Santana Xavier, Carlos Eduardo
Current rating: 1359
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 409 | Augusto Soares, Gustavo (1474) | Lost 1-2 | -171409 |
| 2modern | 512 | Ito, Guilherme (1486) | Lost 0-2 | -161393 |
| 3modern | 635 | Maeda, Thiago (1464) | Lost 1-2 | -171376 |
| 4modern | 647 | Tomaz, Bruno (1452) | Lost 0-2 | -171359 |
| top | average opponent: 1469record: 0-4 | new rating: 1359 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 179 | Bueno D'Avila, Lucas Emanuel (1500) | Lost 0-2 | -181462 |
| 2modern | 534 | Ferreirinha, Guto (1482) | Lost 0-2 | -181444 |
| 3modern | 621 | Tavares Baptista, Pedro Filipe (1411) | Won 2-0 | +181462 |
| 4modern | 524 | Takeushi, Renato Issao (1484) | Lost 1-2 | -181444 |
| 5modern | 572 | Romeiro, Esdras (1462) | Lost 0-2 | -181426 |
| top | average opponent: 1468record: 1-4 | new rating: 1426 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 190 | Rodrigues Silva Borges, Rene (1516) | Lost 0-2 | -181482 |
| 2modern | 512 | Rodrigues, Jose Paulo (1463) | Lost 1-2 | -181464 |
| 3modern | 529 | Marquez De Oliveira Filho, Murilo (1464) | Lost 0-2 | -181446 |
| 4modern | 550 | Francischi, Wilson (1434) | Won 2-0 | +181464 |
| 5modern | 479 | Dyrjawoj, Henrique (1394) | Lost 1-2 | -201444 |
| 6modern | 519 | Franco Blanco, Alvaro (1401) | Won 2-0 | +181462 |
| 7modern | 455 | Nascimento, Adailton (1461) | Won 2-0 | +181480 |
| 8modern | 338 | Treuko, Nicholas (1424) | Won 2-1 | +171497 |
| 9modern | 315 | Hespanhol Rodrigues, Vinicius (1549) | Lost 0-2 | -171480 |
| top | average opponent: 1456record: 4-5 | new rating: 1480 | ||