Silva, David [BRA]
Current rating: 1422
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 476 | Paranhos, Arthur (1500) | Won 2-1 | +181488 |
| 2modern | 198 | Fonseca, Guilherme (1696) | Lost 0-2 | -141474 |
| 3modern | 455 | Batista Ferreira, Marlos (1501) | Lost 1-2 | -171457 |
| 4modern | 493 | Romero, Bruno (1484) | Lost 0-2 | -181439 |
| 5modern | 516 | Santoro Pinto, Joao Felipe (1466) | Lost 1-2 | -171422 |
| top | average opponent: 1529record: 1-4 | new rating: 1422 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 224 | Luz, Jimmy (1500) | Lost 0-2 | -171448 |
| 2modern | 583 | Melecardi, Joao (1482) | Lost 1-2 | -171431 |
| 3modern | 653 | Neto, Darci (1466) | Won 2-0 | +181449 |
| 4modern | 575 | De Souza Andrade Viegas, Cleber (1480) | Won 2-1 | +191468 |
| 5modern | 354 | Theotonio T Rios, Alexandre (1474) | Lost 1-2 | -181450 |
| 6modern | 501 | Gambogi Corcetti, Helvio (1482) | Won 2-0 | +191469 |
| 7modern | 331 | Abuquerque De Morales, Isaac (1506) | Lost 1-2 | -181451 |
| 8modern | 319 | Beliz, Felipe (1488) | Won 2-0 | +191470 |
| top | average opponent: 1485record: 4-4 | new rating: 1470 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 249 | Barciella, Francisco (1548) | Lost 0-2 | -171483 |
| 2modern | 255 | Ganev, Diego (1515) | Lost 0-2 | -181465 |
| top | average opponent: 1532record: 0-2 | new rating: 1465 | ||