Seigi Otsubo, William
Current rating: 1505
Record: 3-3
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 195 | Lopez Lagos, Marcelo (1524) | Lost 1-2 | -181482 |
| 4modern | 295 | Cardoso Oliveira, Marcos Adriano (1543) | Won 2-1 | +201502 |
| 5modern | 243 | Goncalves, Leonardo (1538) | Lost 1-2 | -181484 |
| 6modern | 357 | Charrier Luiz, Rafael (1520) | Lost 1-2 | -171467 |
| 7modern | 280 | Santaren, Waldevino (1456) | Won 2-0 | +181485 |
| 8modern | 198 | Piria, Franco0181 (1600) | Won 2-0 | +201505 |
| average opponent: 1530record: 3-3 | new rating: 1505 | |||