Ferreira, Mayco
Current rating: 1482
Record: 5-6
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 505 | De Arruda Chau, Ricardo (1500) | Lost 1-2 | -191501 |
| 2modern | 404 | Giordano Martins Pinheiro, Michael (1481) | Lost 1-2 | -181483 |
| 3modern | 641 | Chigutti, Mauricio Yoshio (1463) | Won 2-0 | +171500 |
| 4modern | 443 | Granville Pelisson Mardegan, Iuri (1482) | Lost 0-2 | -181482 |
| average opponent: 1481record: 1-3 | new rating: 1482 | |||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 156 | Moreira, Fabio (1520) | Won 2-0 | +181518 |
| 2modern | 156 | Menezes Oliveira, Wagner Felipe (1498) | Lost 1-2 | -181500 |
| 3modern | 379 | Laviola, Renan (1573) | Won 2-1 | +191519 |
| 4modern | 245 | Dias Correia, Felipe (1543) | Won 2-0 | +191538 |
| 5modern | 189 | Espinoza, Mauricio (1440) | Lost 0-2 | -201518 |
| 6modern | 335 | Ponciano, Matheus (1532) | Won 2-1 | +181536 |
| 7modern | 215 | Dos Santos, Pablo (1608) | Lost 1-2 | -161520 |
| average opponent: 1530record: 4-3 | new rating: 1520 | |||