Sampaio De Almeida, Ruan
Current rating: 1449
Record: 4-7
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 131 | Francelino, Lygia Karla (1365) | Won 2-1 | +171480 |
| 2modern | 327 | Von Atzingen Sasse, Marcelo (1516) | Won 2-0 | +181498 |
| 3modern | 128 | Drumond, Braulio (1590) | Lost 0-2 | -161482 |
| 4modern | 198 | Grotti, Rodrigo (1435) | Lost 0-2 | -191463 |
| 5modern | 304 | Barros, Victor (1561) | Won 2-1 | +201483 |
| 6modern | 367 | Koorn da Silva, Rodrigo (1492) | Lost 0-2 | -181465 |
| 7modern | 357 | Oliveira, Caio (1557) | Lost 1-2 | -161449 |
| average opponent: 1502record: 3-4 | new rating: 1449 | |||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 425 | Fussi, Fernando (1519) | Lost 1-2 | -181482 |
| 2modern | 401 | Sa, Bernardo (1482) | Lost 0-2 | -181464 |
| 3modern | 634 | Pereira, Jefferson (1465) | Lost 0-2 | -181446 |
| 4modern | 672 | Santiago, Rafael (1398) | Won 2-0 | +171463 |
| average opponent: 1466record: 1-3 | new rating: 1463 | |||