Kaizu, Hareta
Current rating: 1611
Record: 68-52-2
| Grand Prix Yokohama 2019 (modern) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 588 | Hashimoto, Shouhei (1414) | Won 2-1 | +151591 |
| 2modern | 335 | Naraya, Takaaki (1756) | Won 2-0 | +211612 |
| 3modern | 186 | Asakura, Yoshitomo (1502) | Won 2-0 | +161628 |
| 4modern | 147 | Suzuki, Takahito (1588) | Lost 0-2 | -191609 |
| 5modern | 221 | Ota, Kyosuke (1485) | Lost 0-2 | -201589 |
| 6modern | 679 | Kirito, Keisuke (1666) | Won 2-0 | +201609 |
| 7modern | 259 | Yuki, Ryosuke (1590) | Lost 1-2 | -191590 |
| 8modern | 388 | Kuribara, Shuta (1737) | Won 2-0 | +211611 |
| top | average opponent: 1592record: 5-3 | new rating: 1611 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1648 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 278 | Konishi, So (1517) | Lost 0-2 | -201628 |
| 3modern | 1122 | Hayashi, Hisaaki (1473) | Won 2-1 | +151643 |
| 4modern | 595 | Furuse, Noriaki (1431) | Lost 1-2 | -221621 |
| 5modern | 761 | Ishiwata, Ryohei (1447) | Lost 1-2 | -211600 |
| 6modern | 1069 | Yoshida, Takefumi (1331) | Won 2-0 | +131613 |
| 7modern | 702 | Yu, Yin (1660) | Lost 0-2 | -171596 |
| 8modern | 875 | Suzuki, Yasuhiko (1486) | Lost 1-2 | -201576 |
| top | average opponent: 1478record: 2-5 | new rating: 1576 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1678 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 382 | Yamamoto, Ryoichi (1500) | Won 2-1 | +151693 |
| 3standard | 181 | Nogata, Sho (1535) | Lost 0-2 | -211672 |
| 4standard | 419 | Hara, Yusuke (1729) | Won 2-0 | +191691 |
| 5standard | 372 | Matsushita, Junnya (1680) | Won 2-0 | +181709 |
| 6standard | 271 | Strautz, Marcel (1695) | Lost 0-2 | -181691 |
| 7standard | 593 | Hirata, Minoru (1508) | Lost 1-2 | -221669 |
| 8standard | 638 | Toriumi, Takashi (1500) | Lost 1-2 | -211648 |
| top | average opponent: 1593record: 3-4 | new rating: 1648 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1755 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 708 | Yoshimura, Naoki (1502) | Lost 0-2 | -231732 |
| 2standard | 1093 | Kobayashi, Saiki (1481) | Won 2-1 | +141746 |
| 3standard | 992 | Kawahara, Tadashi (1507) | Lost 0-2 | -221724 |
| 4standard | 1137 | Tsunematsu, Shiho (1481) | Lost 0-2 | -231701 |
| 5standard | 1504 | Tanaka, Takayuki (1404) | Lost 0-2 | -231678 |
| top | average opponent: 1475record: 1-4 | new rating: 1678 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1774 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 364 | Katou, Masaya (1414) | Won 2-0 | +121786 |
| 2sealed | 316 | Matumoto, Takuma (1515) | Lost 1-2 | -231763 |
| 3sealed | 856 | Takeda, Kengo (1499) | Won 2-0 | +131776 |
| 4sealed | 763 | Itou, Ryousuke (1495) | Won 2-1 | +131789 |
| 5sealed | 491 | Ejima, Kazuki (1605) | Won 2-0 | +151804 |
| 6sealed | 113 | Shiota, Fumihiko (1768) | Won 2-0 | +171821 |
| 7sealed | 117 | Nakamatu, Hirohumi (1468) | Lost 0-2 | -241797 |
| 8sealed | 342 | Tsujikawa, Taiga (1739) | Lost 1-2 | -191778 |
| 9sealed | 458 | Hirano, Kosaku (1487) | Lost 1-2 | -231755 |
| top | average opponent: 1554record: 5-4 | new rating: 1755 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1737 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 505 | Mizutani, Yosuke (1736) | Won 2-1 | +181755 |
| 4standard | 10 | Takaishi, Yuutarou (1583) | Lost 1-2 | -211734 |
| 5standard | 455 | Nakai, Sunao (1677) | Won 2-0 | +171751 |
| 6standard | 210 | Ouchi, Akimasa (1631) | Won 2-1 | +151766 |
| 7standard | 124 | Kawano, Tatsurou (1509) | Won 2-1 | +141780 |
| 8standard | 47 | Tuzii, Syouichi (1580) | Won 2-1 | +141794 |
| 9standard | 24 | Sasaki, Yusuke (1693) | Won 2-0 | +161810 |
| 10standard | 9 | Kuo, Tzu-Ching (1970) | Won 2-0 | +211831 |
| 11standard | 15 | Takahashi, Zen (1909) | Lost 1-2 | -161815 |
| 12standard | 50 | Yao, Shunsuke (1683) | Lost 0-2 | -211794 |
| 13standard | 58 | Urase, Ryosuke (1708) | Won 2-1 | +171811 |
| 14standard | 53 | Gao, Tan (1785) | Lost 1-2 | -191792 |
| 15standard | 46 | Hirayama, Atsushi (1786) | Lost 1-2 | -181774 |
| top | average opponent: 1712record: 8-5 | new rating: 1774 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1746 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 622 | Onishi, Kouhei (1473) | Lost 0-2 | -231723 |
| 2sealed | 978 | Tanaka, Kento (1484) | Lost 1-2 | -221701 |
| 3sealed | 1067 | Hirayama, Shizue (1464) | Won 2-0 | +131714 |
| 4sealed | 1047 | Uchiyama, Kouichi (1488) | Won 2-0 | +141728 |
| 5sealed | 940 | Motegi, Koichi (1499) | Won 2-0 | +141742 |
| 6sealed | 784 | Moriai, Kozue (1550) | Won 2-0 | +151757 |
| 7sealed | 725 | Itou, Tsubasa (1534) | Won 2-1 | +141771 |
| 8sealed | 707 | Sonoda, Naohiro (1661) | Won 2-0 | +161787 |
| 9sealed | 687 | Uchida, Yuki (1594) | Won 2-0 | +141801 |
| 10draft | 104 | Miyano, Shinichi (1593) | Lost 1-2 | -211780 |
| 11draft | 17 | Ishiguro, Satoshi (1569) | Won 2-1 | +141794 |
| 12draft | 72 | Tamada, Ryoichi (1979) | Lost 0-2 | -151779 |
| 13draft | 94 | Fukuta, Shingo (1749) | Draw 1-1 | 01779 |
| 14draft | 100 | Zhao, Tianyu (1696) | Lost 1-2 | -201759 |
| 15draft | 102 | Nakamura, Souta (1519) | Lost 0-2 | -221737 |
| top | average opponent: 1590record: 8-6-1 | new rating: 1737 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1683 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 22 | Ueki, Junichi (1421) | Won 2-0 | +131696 |
| 2modern | 160 | Shimada, Katsuhiro (1476) | Won 2-0 | +151711 |
| 3modern | 82 | Itou, Takanori (1603) | Won 2-1 | +161727 |
| 4modern | 71 | Ozaki, Kei (1552) | Lost 1-2 | -221705 |
| 5modern | 99 | Hirabayashi, Yuuki (1558) | Lost 0-2 | -201685 |
| 6modern | 241 | Tajiri, Keichi (1500) | Won 2-1 | +141699 |
| 7modern | 210 | Nozaki, Issei (1545) | Won 2-0 | +161715 |
| 8modern | 136 | Nakamura, Yuya9938 (1561) | Won 2-1 | +151730 |
| 9modern | 111 | Tanahashi, Masayasu (1777) | Won 2-1 | +191749 |
| 10modern | 109 | Wong, Kenneth (1622) | Won 2-0 | +151764 |
| 11modern | 74 | Ishii, Taisuke (1767) | Lost 0-2 | -181746 |
| 12modern | 71 | Ishida, Hiroshi (1616) | Won 2-0 | +161762 |
| 13modern | 33 | Jeon, Hyun Cheol (1606) | Won 2-0 | +151777 |
| 14modern | 25 | Kanegawa, Toshiya (1808) | Lost 0-2 | -171760 |
| 15modern | 42 | Yukuhiro, Ken (1977) | Lost 1-2 | -141746 |
| top | average opponent: 1626record: 10-5 | new rating: 1746 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 180 | Ando, Masanori (1500) | Won 2-0 | +181551 |
| 2standard | 36 | Shinozaki, Yuu (1598) | Won 2-1 | +191570 |
| 3standard | 10 | Yoshida, Hiroshi (1607) | Won 2-1 | +181588 |
| 4standard | 22 | Imura, Satoshi (1566) | Won 2-0 | +181606 |
| 5standard | 35 | Kobayashi, Akihiro (1542) | Lost 0-2 | -191587 |
| 6standard | 30 | Fujikura, Reon (1484) | Won 2-1 | +161603 |
| 7standard | 29 | Imai, Masakatsu (1543) | Won 2-1 | +171620 |
| 8standard | 41 | Endo, Jun'Ichi (1738) | Won 2-0 | +201640 |
| 9standard | 166 | Saitou, Ippei (1651) | Lost 1-2 | -181622 |
| 10standard | 78 | Yokokura, Takeshi (1635) | Won 2-1 | +181640 |
| 11standard | 55 | Sato, Takatoshi (1668) | Won 2-0 | +191659 |
| 12standard | 13 | Iyanaga, Junya (1860) | Lost 0-2 | -151644 |
| 13standard | 62 | Iwamoto, Tatsuki (1738) | Won 2-0 | +201664 |
| 14standard | 32 | Esaki, Keisuke (1720) | Won 2-0 | +191683 |
| 15standard | 25 | Nagashima, Makoto (1766) | ID | 01683 |
| top | average opponent: 1641record: 11-3-1 | new rating: 1683 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 115 | Yamaguchi, Tomoyuki (1465) | Lost 1-2 | -201520 |
| 3sealed | 216 | Kawai, Kennosuke (1500) | Won 2-1 | +181538 |
| 4sealed | 264 | Saitou, Hironari (1439) | Won 2-0 | +161554 |
| 5sealed | 164 | Ohara, Takashi (1561) | Lost 0-2 | -181536 |
| 6sealed | 151 | Takahashi, Miyabi (1516) | Won 2-1 | +181554 |
| 7sealed | 114 | Usui, Toru (1521) | Lost 0-2 | -191535 |
| 8sealed | 321 | Uehara, Jin (1507) | Won 2-1 | +181553 |
| 9sealed | 314 | Takahashi, Katsumi (1472) | Lost 1-2 | -201533 |
| top | average opponent: 1498record: 4-4 | new rating: 1533 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 53 | Kobayashi, Joutarou (1533) | Draw 1-1 | 01518 |
| 3standard | 320 | Hattori, Yutaka (1544) | Won 2-0 | +191537 |
| 4standard | 230 | Ikeda, Tomokazu (1454) | Won 2-0 | +161553 |
| 5standard | 117 | Muraoka, Daiki (1559) | Lost 1-2 | -181535 |
| 6standard | 249 | Horie, Tooru (1543) | Won 2-1 | +181553 |
| 7standard | 153 | Omori, Ken'ichirou (1738) | Lost 0-2 | -141539 |
| 8standard | 257 | Tanaka, Ryouma (1595) | Won 2-1 | +191558 |
| 9standard | 174 | Itani, Shintaro (1557) | Lost 0-2 | -181540 |
| top | average opponent: 1565record: 4-3-1 | new rating: 1540 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 183 | Sakamoto, Naruhiko (1502) | Lost 0-2 | -171447 |
| 2modern | 532 | Kawasaki, Shinsuke (1482) | Won 2-1 | +191466 |
| 3modern | 478 | Miyazato, Tsubasa (1429) | Won 2-1 | +171483 |
| 4modern | 417 | Takai, Hiroaki (1507) | Won 2-0 | +181501 |
| 5modern | 171 | Hisaki, Yuu (1400) | Won 2-0 | +171518 |
| 6modern | 117 | Mayor Redondo, Victor (1746) | Lost 1-2 | -141504 |
| 7modern | 172 | Kamei, Kazuhiko (1413) | Won 2-1 | +161520 |
| 8modern | 207 | Suganuma, Takayuki (1562) | Lost 1-2 | -171503 |
| 9modern | 187 | Takada, Ryo (1339) | Won 2-1 | +151518 |
| top | average opponent: 1487record: 6-3 | new rating: 1518 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 315 | Iijima, Yutaka (1500) | Won 2-1 | +181518 |
| 2extended | 95 | Kobayashi, Hiroki (1560) | Lost 0-2 | -171501 |
| 3extended | 319 | Osaki, Fumihiko (1496) | Lost 1-2 | -181483 |
| 4extended | 354 | Kudo, Tomoaki (1468) | Lost 0-2 | -191464 |
| top | average opponent: 1506record: 1-3 | new rating: 1464 | ||