Hienuki, Koichi
Current rating: 1719 (#5347)
Record: 26-14-1
| Grand Prix Kobe 2017 (modern) | starting rating: 1619 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 194 | Hiraoka, Taku (1482) | Won 2-0 | +151634 |
| 3modern | 149 | Yoshikawa, Hidenobu (1623) | Won 2-1 | +181652 |
| 4modern | 98 | Oka, Yosuke (1694) | Won 2-1 | +191671 |
| 5modern | 62 | Shinoda, Akito (1916) | Won 2-1 | +221693 |
| 6modern | 51 | Ishikura, Kazuya (1539) | Won 2-0 | +151708 |
| 7modern | 31 | Ootsubo, Tsubasa (1576) | Lost 1-2 | -201688 |
| 8modern | 53 | Ogata, Nobuhiko (1668) | Won 2-1 | +171705 |
| 9modern | 30 | Deng, Yunan (1642) | Lost 1-2 | -191686 |
| 10modern | 132 | Fukumoto, Tsuyoshi (1615) | Won 2-1 | +171703 |
| 11modern | 72 | Kometani, Yuki (1580) | Lost 1-2 | -201683 |
| 12modern | 113 | Suzuki, Shota (1591) | Won 2-1 | +161699 |
| 13modern | 83 | Nishizawa, Taichi (1721) | Lost 1-2 | -171682 |
| 14modern | 163 | Brown, Eric (1864) | Won 2-1 | +211703 |
| 15modern | 89 | Kaku, Tomohiro (1621) | Won 2-1 | +161719 |
| top | average opponent: 1652record: 10-4 | new rating: 1719 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 75 | Murakami, Tatuki (1481) | Won 2-0 | +181516 |
| 2standard | 167 | Hasegawa, Yuuhei (1509) | Won 2-0 | +171533 |
| 3standard | 203 | Karatsu, Yoshifumi (1455) | Lost 0-2 | -191514 |
| 4standard | 386 | Tsutsui, Yuki (1637) | Lost 1-2 | -161498 |
| 5standard | 913 | Kawai, Yoshihiro8128 (1473) | Won 2-1 | +181516 |
| 6standard | 674 | Shimada, Masahiko (1653) | Draw 1-1 | +21518 |
| 7standard | 627 | Gouda, Fumito (1463) | Won 2-1 | +171535 |
| 8standard | 442 | Ogo, Dai (1506) | Won 2-0 | +181553 |
| 9standard | 287 | Sano, Kaname (1549) | Won 2-0 | +181571 |
| 10standard | 179 | Ota, Sho (1580) | Won 2-1 | +181589 |
| 11standard | 115 | Takenaka, Yuuhi (1758) | Won 2-1 | +211610 |
| 12standard | 68 | Okada, Naoya (1730) | Lost 0-2 | -161594 |
| 13standard | 138 | Shimizu, Ryouta (1693) | Won 2-1 | +201614 |
| 14standard | 94 | Tezuka, Yo (1900) | Lost 1-2 | -131601 |
| 15standard | 141 | Saitou, Yuusuke (1579) | Won 2-0 | +181619 |
| top | average opponent: 1598record: 10-4-1 | new rating: 1619 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 371 | Hideaki, Enomoto (1408) | Lost 0-2 | -191484 |
| 2standard | 995 | Kurahashi, Tomoyuki (1558) | Lost 0-2 | -171467 |
| 3standard | 1577 | Kishikawa, Norimasa (1433) | Won 2-1 | +171484 |
| 4standard | 1169 | Akabane, Shu (1364) | Won 2-1 | +161500 |
| 5standard | 795 | Sekizawa, Tomohiko (1449) | Won 2-0 | +171517 |
| 6standard | 792 | Takada, Koutarou (1542) | Won 2-1 | +191536 |
| 7standard | 344 | Tansei, Hiroyuki (1432) | Lost 1-2 | -201516 |
| 8standard | 745 | Uesugi, Shunta (1521) | Lost 1-2 | -181498 |
| top | average opponent: 1463record: 4-4 | new rating: 1498 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1095 | Fujikura, Akinori (1559) | Lost 1-2 | -171483 |
| 2sealed | 1259 | Watanabe, Yusuke (1694) | Won 2-1 | +221505 |
| 3sealed | 1170 | Cher, Pohkuang (1484) | Won 2-1 | +171522 |
| 4sealed | 1000 | Abe, Tooru (1455) | Lost 0-2 | -191503 |
| top | average opponent: 1548record: 2-2 | new rating: 1503 | ||