Kai, Hidekazu
Current rating: 1652
Record: 27-15-1
| Grand Prix Chiba 2016 (legacy) | starting rating: 1724 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 14 | Matsunaga, Yuji (1432) | Lost 1-2 | -231701 |
| 2legacy | 769 | Yujiro, Saito (1553) | Lost 1-2 | -211680 |
| 3legacy | 1111 | Takeda, Satoru (1509) | Lost 0-2 | -211659 |
| 4legacy | 1154 | Ookubo, Jyunpei (1478) | Won 2-1 | +151674 |
| 5legacy | 971 | Ootsuki, Keisuke (1462) | Lost 0-2 | -221652 |
| top | average opponent: 1487record: 1-4 | new rating: 1652 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1735 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 420 | Matsui, Satoshi (1500) | Won 2-0 | +141749 |
| 2standard | 26 | Kutsuna, Yohei (1509) | Draw 1-1 | -41745 |
| 3standard | 771 | Kondo, Kazuya (1451) | Won 2-0 | +131758 |
| 4standard | 386 | Horie, Tooru (1666) | Lost 0-2 | -201738 |
| 5standard | 772 | Ohasi, Masaki (1453) | Lost 1-2 | -231715 |
| 6standard | 987 | Nagakita, Makoto (1530) | Won 2-0 | +151730 |
| 7standard | 759 | Nishina, Tomoya (1537) | Won 2-0 | +141744 |
| 8standard | 491 | Ono, Tomonori (1629) | Lost 1-2 | -201724 |
| top | average opponent: 1534record: 4-3-1 | new rating: 1724 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1679 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 852 | Tsuboi, Takato (1469) | Won 2-1 | +141693 |
| 2sealed | 389 | Yoshida, Kenji (1518) | Won 2-1 | +151708 |
| 3sealed | 299 | Young, Ryan (1816) | Lost 1-2 | -161692 |
| 4sealed | 775 | Iwase, Hirokazu (1470) | Won 2-1 | +141706 |
| 5sealed | 472 | Takimura, Kazuyuki (2044) | Won 2-1 | +241730 |
| 6sealed | 123 | Kim, Chang Kyum (1502) | Won 2-1 | +141744 |
| 7sealed | 153 | Machida, Takahiro (1712) | Lost 0-2 | -191725 |
| 8sealed | 349 | Kasuga, Ryou (1591) | Won 2-0 | +161741 |
| 9sealed | 163 | Hamada, Yuusai (1440) | Lost 1-2 | -241717 |
| 10draft | 59 | Liu, Yunfan (1583) | Lost 0-2 | -201697 |
| 11draft | 143 | Tajima, Kenji (1395) | Won 2-1 | +121709 |
| 12draft | 141 | Kawasaki, Hirotaka (1702) | Won 2-1 | +181727 |
| 13draft | 185 | Oki, Hiroki (1550) | Won 2-1 | +151742 |
| 14draft | 109 | Miyamoto, Akihiro (1463) | Lost 0-2 | -231719 |
| 15draft | 138 | Matsuda, Issui (1617) | Won 2-1 | +161735 |
| top | average opponent: 1591record: 10-5 | new rating: 1735 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 777 | Maeyama, Masaaki (1500) | Won 2-1 | +181518 |
| 2standard | 439 | Oku, Kousuke (1405) | Won 2-0 | +161534 |
| 3standard | 356 | Heaton, Robert (1590) | Won 2-1 | +191553 |
| 4standard | 264 | Fujimoto, Yuki (1647) | Lost 1-2 | -161537 |
| 5standard | 527 | Muranaka, Hiroya (1641) | Won 2-1 | +201557 |
| 6standard | 93 | Nakamura, Ryuji (1542) | Lost 0-2 | -191538 |
| 7standard | 454 | Ohtake, Nobuyuki (1500) | Won 2-1 | +181556 |
| 8standard | 332 | Jun, Sang-uk (1537) | Won 2-1 | +171573 |
| 9standard | 89 | Murase, Hiroshi (1940) | Won 2-1 | +251598 |
| 10standard | 97 | Kurihara, Mitsuaki (1596) | Lost 0-2 | -181580 |
| 11standard | 113 | Jitsukawa, Naofumi (1613) | Won 2-1 | +181598 |
| 12standard | 74 | Fujimoto, Yosuke (1727) | Won 2-0 | +211619 |
| 13standard | 47 | Kurokawa, Yuusuke (1674) | Won 2-0 | +191638 |
| 14standard | 32 | Morita, Yo (1787) | Won 2-0 | +201658 |
| 15standard | 37 | Yoshinaga, Mitsuteru (1788) | Won 2-0 | +211679 |
| top | average opponent: 1633record: 12-3 | new rating: 1679 | ||