Massola Ferreira, Jonathan
Current rating: 1489
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 154 | Cherubini, Luis Guilherme (1504) | Won 2-1 | +181472 |
| 3modern | 32 | Amorim Nunes, Icaro Moan (1680) | Won 2-1 | +221494 |
| 4modern | 71 | Pereira Batista, Ricardo (1613) | Won 2-1 | +201514 |
| 5modern | 55 | Reis, Tulio (1631) | Lost 1-2 | -161498 |
| 6modern | 47 | Magalhaes, Breno (1724) | Won 2-1 | +231521 |
| 7modern | 75 | Tatsuyuji Sakima, Vinicius (1605) | Lost 1-2 | -171504 |
| 8modern | 134 | Cosme Da Silva, Joao Daniel (1665) | Lost 1-2 | -151489 |
| top | average opponent: 1632record: 4-3 | new rating: 1489 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 291 | De Olinda Pereira Filho, Adones (1518) | Lost 0-2 | -181491 |
| 3modern | 336 | Aguillon Perez, Nicolas (1412) | Lost 0-2 | -201471 |
| 4modern | 491 | Crissara, Kaio (1482) | Lost 0-2 | -171454 |
| top | average opponent: 1471record: 0-3 | new rating: 1454 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 140 | De Araujo Loyola, Warwick Steiff (1517) | Won 2-0 | +181518 |
| 3modern | 55 | Gatica, Alejandro (1568) | Lost 0-2 | -171501 |
| 4modern | 242 | Gazzaneo Dos Santos, Marcelo (1518) | Lost 0-2 | -171484 |
| 5modern | 325 | Cesar Siqueira, Jorge Henrique (1705) | Lost 1-2 | -141470 |
| 6modern | 366 | Liguori, Marco (1488) | Won 2-0 | +181488 |
| 7modern | 344 | Martinez, Julian (1635) | Lost 0-2 | -151473 |
| 8modern | 346 | Basdao, Leandro (1469) | Won 2-0 | +171490 |
| 9modern | 302 | Rosolia, Bruno (1500) | Won 2-0 | +191509 |
| top | average opponent: 1550record: 4-4 | new rating: 1509 | ||