Mazzucchini, Sebastian
Current rating: 1536
Record: 5-3
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 37 | Sampaio, Ivan (1500) | Won 2-0 | +181518 |
| 2modern | 132 | Do Rosario Petrucci, Bruno (1518) | Won 2-1 | +181536 |
| 3modern | 140 | Grotti, Rodrigo (1458) | Won 2-1 | +171553 |
| 4modern | 42 | Machado, Pedro Felipe (1585) | Lost 1-2 | -181535 |
| 5modern | 148 | De Souza Leite Segura, Paulo Sergio (1568) | Won 2-1 | +191554 |
| 6modern | 127 | Soares, Ronaldo (1559) | Lost 1-2 | -181536 |
| 7modern | 228 | Cifuentes, Andres (1573) | Won 2-0 | +191555 |
| 8modern | 125 | Fernandes do Valle, Mateus (1521) | Lost 0-2 | -191536 |
| average opponent: 1535record: 5-3 | new rating: 1536 | |||