Hoshiyama, Mizuho
Current rating: 1515
| Grand Prix Kobe 2014 (modern) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1059 | Hashizume, Yuuya (1663) | Won 2-0 | +201553 |
| 2modern | 741 | Yamamoto, Taichi (1558) | Lost 1-2 | -181535 |
| 3modern | 1077 | Mochiduki, Masashi (1523) | Lost 0-2 | -181517 |
| 4modern | 1172 | Ishikawa, Takuma (1360) | Won 2-0 | +151532 |
| 5modern | 997 | Okumura, Genki (1558) | Lost 0-2 | -171515 |
| top | average opponent: 1532record: 2-3 | new rating: 1515 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 256 | Naka, Hiroya (1500) | Won 2-1 | +181535 |
| 2standard | 252 | Kameyama, Takeshi (1615) | Lost 0-2 | -171518 |
| 3standard | 462 | Hirose, Daichi (1397) | Won 2-1 | +161534 |
| 4standard | 293 | Sano, Kouta (1488) | Won 2-1 | +171551 |
| 5standard | 102 | Shiode, Satoshi (1529) | Lost 1-2 | -181533 |
| top | average opponent: 1506record: 3-2 | new rating: 1533 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 43 | Katsumata, Yasutaka (1500) | Won 2-1 | +181518 |
| 2modern | 129 | Takahashi, Kei (1547) | Lost 1-2 | -171501 |
| 3modern | 342 | Nishizawa, Taichi (1496) | Lost 1-2 | -191482 |
| 4modern | 652 | Oono, Jun (1480) | Won 2-0 | +181500 |
| 5modern | 461 | Suzuki, Seiya (1497) | Won 2-0 | +181518 |
| 6modern | 273 | Yokomizo, Gouki (1448) | Won 2-1 | +171535 |
| 7modern | 168 | Tsukanishi, Toshiyuki (1529) | Lost 0-2 | -181517 |
| top | average opponent: 1500record: 4-3 | new rating: 1517 | ||