Da Silva, Marlon Vinicius
Current rating: 1349
Record: 4-13
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1407 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 297 | Pacheco, Gustavo (1440) | Lost 1-2 | -171390 |
| 2modern | 372 | Vidal Lopes, Leonardo (1482) | Lost 0-2 | -171373 |
| 4modern | 480 | Ximenes, Felipe (1576) | Lost 0-2 | -141359 |
| 5modern | 500 | Marques Nishiyama, Rafael Kenji (1464) | Won 2-0 | +201379 |
| 6modern | 429 | Luis Arrieta Concha, Jose (1483) | Lost 1-2 | -161363 |
| 7modern | 413 | Carvalho Goncalves, Mateus (1464) | Won 2-0 | +191382 |
| 8modern | 325 | Toledo Fuganti, Geon (1417) | Lost 1-2 | -171365 |
| 9modern | 328 | Almeida, Rafael (1465) | Lost 1-2 | -161349 |
| average opponent: 1474record: 2-6 | new rating: 1349 | |||
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 5 | Luzardo Soares, Leonardo (1500) | Lost 1-2 | -181482 |
| 2modern | 180 | Fernandes, Carlos (1319) | Lost 0-2 | -211461 |
| 3modern | 337 | Sousa, Gabriel9525 (1463) | Lost 1-2 | -181443 |
| 4modern | 362 | Antunes Rubert, Jeferson (1448) | Lost 1-2 | -181425 |
| 5modern | 338 | dos Santos da Silva, Luiz Fernando (1428) | Won 2-0 | +181443 |
| 6modern | 284 | Nazareno, Jose (1400) | Lost 0-2 | -191424 |
| 7modern | 222 | Nonnig, Andre (1464) | Won 2-0 | +191443 |
| 8modern | 176 | Leandro Goes, (1464) | Lost 0-2 | -171426 |
| 9modern | 146 | Amaral Santos, Adriano (1390) | Lost 0-2 | -191407 |
| average opponent: 1431record: 2-7 | new rating: 1407 | |||