Junqueira Paiva Vieira, Marcos
Current rating: 1501
Record: 4-4
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 389 | Cucolo Cortez Sanches, Guilherme (1500) | Won 2-1 | +181518 |
| 2modern | 180 | Neves Do Almeida, Carlos Eduardo (1531) | Won 2-1 | +181536 |
| 3modern | 220 | Leiva Espanhol, Francisco (1507) | Lost 1-2 | -181518 |
| 4modern | 339 | Rodrigues, Allan (1659) | Won 2-1 | +201538 |
| 5modern | 123 | Souza Prado, Joao Paulo (1536) | Lost 0-2 | -181520 |
| 6modern | 337 | De Souza, Edvan Roberto (1515) | Won 2-0 | +181538 |
| 7modern | 246 | Zerbinatti, Edson (1515) | Lost 0-2 | -181520 |
| 8modern | 275 | Diniz Guimaraes, Carlos Henrique (1499) | Lost 0-2 | -191501 |
| average opponent: 1533record: 4-4 | new rating: 1501 | |||