Miyahara, Hidetoh
Current rating: 1502
Record: 3-3
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 50 | Hirata, Mizuki (1500) | Won 2-0 | +181518 |
| 2sealed | 169 | Koshiishi, Tadahito (1537) | Lost 1-2 | -181500 |
| 3sealed | 941 | Komiya, Yuki (1519) | Won 2-1 | +191519 |
| 4sealed | 325 | Saitou, Isao (1546) | Lost 0-2 | -181501 |
| 5sealed | 569 | Tsutsumi, Yoshiaki (1469) | Won 2-1 | +181519 |
| 6sealed | 462 | Yamada, Junki (1621) | Lost 0-2 | -171502 |
| average opponent: 1532record: 3-3 | new rating: 1502 | |||