Mazetto, Kevin
Current rating: 1483
Record: 6-7-1
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 77 | Costa, Vinicius (1500) | Lost 1-2 | -181482 |
| 2modern | 520 | Oliveira, Anderson (1482) | Won 2-0 | +181500 |
| 3modern | 499 | Martins Ferreira, Renato (1526) | Lost 1-2 | -171483 |
| 4modern | 614 | Messere, Leandro (1490) | Draw 1-1 | 01483 |
| 5modern | 529 | Affonso Lanzi, Luis Augusto (1482) | Won 2-0 | +181501 |
| 6modern | 400 | Sutherland, Thomas (1501) | Lost 0-2 | -181483 |
| average opponent: 1497record: 2-3-1 | new rating: 1483 | |||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 140 | De Sousa Cardoso, Janiel (1500) | Won 2-1 | +181518 |
| 2modern | 159 | Correa, Eduardo (1518) | Won 2-0 | +181536 |
| 3modern | 46 | Maltez Irarrazaval, Marcelo (1535) | Won 2-0 | +181554 |
| 4modern | 76 | Merschmann Aguemi, Guilherme (1608) | Won 2-1 | +191573 |
| 5modern | 22 | Miyashiro, Ronaldo (1643) | Lost 0-2 | -171556 |
| 6modern | 52 | Espinoza, Oscar (1537) | Lost 0-2 | -181538 |
| 7modern | 141 | Henrique Paniago De O Amaral, Pedro (1535) | Lost 0-2 | -181520 |
| 8modern | 177 | Dassie, Marcio (1441) | Lost 0-2 | -201500 |
| average opponent: 1540record: 4-4 | new rating: 1500 | |||