Fontoura, Mariana
Current rating: 1538
Record: 8-6
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 292 | Ventura, Joao (1502) | Lost 1-2 | -181482 |
| 2modern | 380 | Soares Fiths, Pedro Rogerio (1482) | Won 2-0 | +181500 |
| 3modern | 444 | de Magalhaes Scalli, Guilherme (1473) | Won 2-1 | +181518 |
| 4modern | 325 | Heinzen De Liz, Joao Victor (1521) | Won 2-0 | +181536 |
| 5modern | 189 | Novoa, Guilherme (1471) | Won 2-1 | +161552 |
| 6modern | 143 | Forte, Joao Vitor (1560) | Lost 1-2 | -171535 |
| 7modern | 132 | Paes, Joao (1521) | Won 2-1 | +171552 |
| 8modern | 169 | Mariano Ferreira, Victor (1512) | Won 2-0 | +181570 |
| 9modern | 46 | Fujiyama, Roberto (1519) | Won 2-1 | +171587 |
| 10modern | 24 | Kritz, Joshua (1585) | Lost 0-2 | -181569 |
| 11modern | 61 | Perez, Felipe (1738) | Lost 0-2 | -151554 |
| 12modern | 82 | Silveira, Vagner Fernando (1513) | Won 2-0 | +171571 |
| 13modern | 64 | Grubba Olsen, Lauro Emilio (1738) | Lost 1-2 | -151556 |
| 14modern | 81 | Alves Rocha, Renato (1553) | Lost 0-2 | -181538 |
| average opponent: 1549record: 8-6 | new rating: 1538 | |||