Hagiya, Kouki
Current rating: 1481
| Grand Prix Chiba 2016 (legacy) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 251 | Takamatsu, Hiroomi (1441) | Lost 1-2 | -191486 |
| 2legacy | 587 | Nomura, Soichiro (1461) | Lost 0-2 | -191467 |
| 3legacy | 1090 | Kimura, Tetsuya (1464) | Won 2-1 | +181485 |
| 4legacy | 1061 | Shimizu, Hiroki (1365) | Won 2-0 | +161501 |
| 5legacy | 768 | Kurata, Yoshihiko (1491) | Won 2-0 | +181519 |
| 6legacy | 501 | Murakami, Yamato (1508) | Lost 0-2 | -181501 |
| 7legacy | 811 | Arai, Yuma (1408) | Lost 1-2 | -201481 |
| top | average opponent: 1448record: 3-4 | new rating: 1481 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 316 | Hironaga, Shunsuke (1500) | Won 2-0 | +181500 |
| 2standard | 115 | Goshima, Akito (1575) | Lost 0-2 | -171483 |
| 3standard | 715 | Oomura, Takashi (1580) | Draw 1-1 | +21485 |
| 4standard | 844 | Tanaka, Shota (1465) | Lost 0-2 | -181467 |
| 5standard | 960 | Tsuda, Seiya (1481) | Won 2-0 | +181485 |
| 6standard | 740 | Abiko, Haduki (1447) | Won 2-0 | +171502 |
| 7standard | 561 | Suzuki, Fumito (1623) | Won 2-0 | +211523 |
| 8standard | 367 | Okai, Toshiki (1544) | Lost 0-2 | -181505 |
| top | average opponent: 1527record: 4-3-1 | new rating: 1505 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 978 | Mori, Yusei (1480) | Lost 1-2 | -181482 |
| top | record: 0-1 | new rating: 1482 | ||