Hoshi, Hirohito
Current rating: 1518
Record: 7-7
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 266 | Koide, Takeo (1506) | Won 2-0 | +181523 |
| 2sealed | 165 | Shinozawa, Tomohiro (1471) | Won 2-0 | +171540 |
| 3sealed | 431 | Aoki, Shougo (1744) | Won 2-1 | +221562 |
| 4sealed | 231 | Matsumura, Toshikazu (1688) | Lost 0-2 | -161546 |
| 5sealed | 478 | Takaya, Syouichi (1666) | Lost 0-2 | -161530 |
| 6sealed | 479 | Furusawa, Shu (1860) | Lost 1-2 | -121518 |
| average opponent: 1656record: 3-3 | new rating: 1518 | |||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 231 | Yokoyama, Yuya (1500) | Won 2-0 | +181518 |
| 2modern | 205 | Suzuki, Kazuhiro 1097 (1554) | Lost 0-2 | -171501 |
| 3modern | 742 | Sasaki, Toshiya (1538) | Won 2-1 | +181519 |
| 4modern | 538 | Taniguchi, Hiroaki (1828) | Lost 0-2 | -121507 |
| 5modern | 654 | Aizu, Hiroto (1497) | Won 2-1 | +181525 |
| 6modern | 561 | Tanaka, Ryuuma (1484) | Lost 0-2 | -191506 |
| 7modern | 699 | Koike, Tomoyuki (1396) | Won 2-1 | +161522 |
| 8modern | 467 | Takahashi, Yuto (1597) | Lost 1-2 | -171505 |
| average opponent: 1549record: 4-4 | new rating: 1505 | |||