Zanatto, Guilherme
Current rating: 1536
Record: 7-6
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 48 | Dutra de Lima, Joao Roberto (1557) | Lost 1-2 | -171483 |
| 4modern | 284 | Roque Quezada, Francisco (1501) | Won 2-1 | +181501 |
| 5modern | 62 | Piria, Franco2201 (1519) | Won 2-1 | +191520 |
| 6modern | 47 | Mendonca, Victor (1552) | Won 2-0 | +181538 |
| 7modern | 36 | Colombo, Camila (1583) | Won 2-0 | +191557 |
| 8modern | 30 | Lopes de Souza, Pedro (1563) | Lost 0-2 | -181539 |
| 9modern | 94 | Rodriguez, Axel Arian (1620) | Won 2-0 | +201559 |
| 10modern | 52 | Celestini, Joao (1589) | Lost 1-2 | -181541 |
| 11modern | 100 | Marotta, Roberto (1529) | Lost 0-2 | -181523 |
| 12modern | 103 | Fuenzalida, Alvaro (1603) | Won 2-1 | +191542 |
| 13modern | 87 | Ramos, Paulo (1617) | Won 2-0 | +201562 |
| 14modern | 71 | Damo da Rosa, Paulo Vitor (2159) | Lost 1-2 | -81554 |
| 15modern | 61 | Pereira Jorge Junior, Eliezio (1574) | Lost 1-2 | -181536 |
| average opponent: 1613record: 7-6 | new rating: 1536 | |||