Miyoshi, William
Current rating: 1490
Record: 5-6
| Regional Championships Sao Paulo 2023 Cycle 4 (pioneer) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 33 | Camara Santoro, Giovanni Augusto (1500) | Lost 0-2 | -181503 |
| 2pioneer | 79 | Sapiras, Armando (1688) | Lost 1-2 | -151488 |
| 3pioneer | 69 | Maranhao Silva, Erick Mattheus (1351) | Won 2-1 | +151503 |
| 4pioneer | 58 | Medeiros Merjam, Guilherme (1785) | Lost 0-2 | -131490 |
| average opponent: 1581record: 1-3 | new rating: 1490 | |||
| Regional Championships Sao Paulo 2022 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 82 | de Carvalho, Mateus (1473) | Lost 1-2 | -181482 |
| 2pioneer | 91 | Saraiva Martins, Lucas (1429) | Lost 0-2 | -191463 |
| 4pioneer | 59 | Correia Hirata, Bruno (1484) | Won 2-1 | +181481 |
| 5pioneer | 43 | Roedel, Rafael (1503) | Won 2-0 | +181499 |
| 6pioneer | 34 | Martinez, Gabriel (1626) | Lost 0-2 | -151484 |
| 7pioneer | 52 | Muniz Passos, Adriano (1533) | Won 2-1 | +191503 |
| 8pioneer | 39 | Guedes, Guilherme (1521) | Won 2-0 | +181521 |
| average opponent: 1510record: 4-3 | new rating: 1521 | |||