Gakumazawa Hideaki (嶽間沢秀明)
Place: Iwate, Japan
Rating: 2111.96, Std: 151.27, Rank: 437
First game: 2004-12-05, Last game: 2019-10-06
Top rating: 2163.46 (2017-07-02)
Games: 154, Wins: 82, Draws: 6, Losses: 66
Gy1: 0, Gy2: 0, Gy5: 16
| 11th Tohoku Championship | ||||
|---|---|---|---|---|
| Date | 2019-10-06 | Rating | 2111.96 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Miyamoto Syunju | 2231.74 |
| 2 | White | Draw | Ishitani Shin-ichi | 2329.67 |
| 3 | Black | Win | Kusajima Masato | 2178.75 |
| 4 | Black | Loss | Hirono Masakazu | 2024.33 |
| 5 | Black | Loss | Okabe Hiroshi | 2669.39 |
| 57 Meijinsen Qualification Tohoku area 1st round | ||||
| Date | 2019-04-07 | Rating | 2113.63 | |
| Round | Color | Result | Opponent | |
| 1 | White | Draw | Miyamoto Syunju | 2218.94 |
| 2 | White | Loss | Kusajima Masato | 2207.20 |
| 4 | Black | Loss | Miyamoto Syunju | 2218.94 |
| 5 | White | Loss | Kusajima Masato | 2207.20 |
| 35 Aomori Championship | ||||
| Date | 2018-07-01 | Rating | 2135.82 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Yamamoto Harue | 1627.73 |
| 2 | Black | Loss | Miyamoto Syunju | 2211.60 |
| 3 | Black | Loss | Tanno Yoshitaka | 2111.30 |
| 56 Meijinsen Qualification Tohoku area 1st round | ||||
| Date | 2018-04-15 | Rating | 2146.94 | |
| Round | Color | Result | Opponent | |
| 2 | White | Win | Miyamoto Syunju | 2206.79 |
| 3 | White | Win | Kusajima Masato | 2244.21 |
| 4 | Black | Win | Miyamoto Syunju | 2206.79 |
| 5 | Black | Loss | Kusajima Masato | 2244.21 |
| Aomori Meijinsen Tournament | ||||
| Date | 2017-11-05 | Rating | 2152.93 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Tanno Yoshitaka | 2110.31 |
| 2 | Black | Win | Ooshina Seiichi | 1995.63 |
| 3 | White | Win | Koseki Kenshou | 1640.13 |
| 5 | White | Loss | Miyamoto Syunju | 2222.69 |
| 34 Aomori Championship | ||||
| Date | 2017-07-02 | Rating | 2163.46 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Yamamoto Harue | 1631.59 |
| 2 | Black | Win | Koseki Kenshou | 1646.93 |
| 3 | White | Win | Kusajima Masato | 2230.60 |
| 4 | White | Win | Tanno Yoshitaka | 2113.35 |
| 5 | White | Win | Miyamoto Syunju | 2214.94 |
| 55 Meijinsen Qualification Tohoku area 1st round | ||||
| Date | 2017-04-09 | Rating | 2159.94 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Miyamoto Syunju | 2202.44 |
| 3 | White | Loss | Kusajima Masato | 2234.46 |
| 4 | Black | Loss | Kusajima Masato | 2234.46 |
| 5 | White | Loss | Miyamoto Syunju | 2202.44 |
| 54 Meijinsen Qualification Tohoku area 1st round | ||||
| Date | 2016-04-10 | Rating | 2162.72 | |
| Round | Color | Result | Opponent | |
| 1 | White | Draw | Kusajima Masato | 2221.58 |
| 2 | White | Win | Miyamoto Syunju | 2125.95 |
| 3 | Black | Win | Miura Hitoshi | 1763.36 |
| 32nd Aomori Championship | ||||
| Date | 2015-07-05 | Rating | 2151.93 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Ooshina Seiichi | 2004.24 |
| 2 | Black | Loss | Tanno Yoshitaka | 2130.93 |
| 3 | White | Win | Yamamoto Harue | 1674.24 |
| 4 | Black | Loss | Kobayashi Koichi | 2243.65 |
| 5 | White | Win | Koseki Kenshou | 1670.29 |
| 7th Tohoku Championship | ||||
| Date | 2015-04-12 | Rating | 2151.70 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Okabe Hiroshi | 2687.00 |
| 2 | Black | Win | Miura Hitoshi | 1775.21 |
| 3 | Black | Loss | Ishitani Shin-ichi | 2377.32 |
| 4 | Black | Win | Miyamoto Syunju | 2048.82 |
| 5 | Black | Win | Kobayashi Koichi | 2248.92 |
| Sendai Memorial Cup | ||||
| Date | 2015-03-01 | Rating | 2148.98 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Miura Hitoshi | 1777.19 |
| 4 | White | Loss | Kobayashi Koichi | 2247.91 |
| 6 | Black | Win | Miyamoto Syunju | 2041.72 |
| 7 | White | Win | Hirono Masakazu | 1963.44 |
| 33th Aomori Meijinsen | ||||
| Date | 2014-11-09 | Rating | 2138.81 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Shimoda Hiroyasu | 1561.24 |
| 2 | White | Loss | Kobayashi Koichi | 2231.09 |
| 3 | White | Win | Yamamoto Harue | 1689.27 |
| 4 | Black | Win | Koseki Kenshou | 1679.84 |
| 5 | Black | Loss | Tanno Yoshitaka | 2131.78 |
| 6th Tohoku Championship | ||||
| Date | 2014-04-20 | Rating | 2131.07 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Kusajima Masato | 2201.86 |
| 2 | White | Win | Kobayashi Koichi | 2205.47 |
| 3 | White | Win | Hirono Masakazu | 1962.73 |
| 4 | Black | Loss | Okabe Hiroshi | 2705.92 |
| 5 | Black | Win | Sato Kiyotomi | 2426.82 |
| 7 | Black | Loss | Miura Hitoshi | 1786.63 |
| 32 Aomori Meijinsen | ||||
| Date | 2013-11-10 | Rating | 2119.99 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Yamamoto Harue | 1722.39 |
| 2 | Black | Win | Koseki Kenshou | 1676.24 |
| 3 | White | Win | Miura Hitoshi | 1783.85 |
| 4 | White | Win | Chiba Tomio | 1760.96 |
| 5 | Black | Win | Tanno Yoshitaka | 2124.24 |
| 5th Tohoku Championship | ||||
| Date | 2013-04-14 | Rating | 2106.98 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Okabe Hiroshi | 2692.85 |
| 2 | Black | Loss | Suzuki Rin | 2008.23 |
| 3 | White | Loss | Nakamura Shigeru | 2825.75 |
| 4 | Black | Win | Miura Hitoshi | 1811.73 |
| 5 | White | Loss | Kusajima Masato | 2186.52 |
| 31st Aomori Meijinsen | ||||
| Date | 2012-11-10 | Rating | 2107.96 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Yamamoto Harue | 1690.71 |
| 2 | Black | Win | Kudou Shin-ichi | 1871.43 |
| 3 | Black | Win | Asari Katsuki | 1706.28 |
| 4 | Black | Win | Miura Hitoshi | 1841.86 |
| 5 | Black | Win | Tanno Yoshitaka | 2119.72 |
| 30th Aomori Championship | ||||
| Date | 2012-07-01 | Rating | 2098.30 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Kudou Shin-ichi | 1875.35 |
| 2 | White | Win | Yamamoto Harue | 1681.16 |
| 3 | White | Draw | Kim Chang-Su | 2016.53 |
| 4 | Black | Win | Yokono Yoshiki | 1849.06 |
| 5 | White | Loss | Tanno Yoshitaka | 2118.03 |
| 4th Tohoku Championship | ||||
| Date | 2012-04-08 | Rating | 2098.98 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Kudomi Takahiro | 2385.65 |
| 2 | Black | Loss | Ozawa Tetsushi | 2034.83 |
| 3 | White | Win | Suzuki Junichiro | 1910.52 |
| 4 | Black | Win | Maruta Hiroki | 2061.24 |
| 5 | Black | Draw | Kobayashi Koichi | 2185.23 |
| 7th All Japan Championship | ||||
| Date | 2012-01-29 | Rating | 2099.20 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Ishitani Shin-ichi | 2348.57 |
| 2 | Black | Loss | Kamiya Shunsuke | 2427.41 |
| 3 | White | Win | Suzuki Rin | 1968.43 |
| 4 | Black | Loss | Kudomi Takahiro | 2384.16 |
| 5 | Black | Win | Fujikawa Masaki | 2044.69 |
| 6 | Black | Loss | Kon Akira | 1984.63 |
| 30th Aomori-Meijinsen touranament | ||||
| Date | 2011-11-13 | Rating | 2101.75 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Yamamoto Harue | 1658.64 |
| 2 | White | Win | Yamamoto Yuuichi | 1699.37 |
| 3 | Black | Win | Tsushima Norito | 1673.71 |
| 4 | Black | Win | Tanno Yoshitaka | 2100.86 |
| 5 | White | Win | Nara Tsurue | 1798.58 |
| 29th Aomori Championship | ||||
| Date | 2011-07-03 | Rating | 2097.38 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Yamamoto Harue | 1661.95 |
| 2 | Black | Win | Tanno Yoshitaka | 2091.40 |
| 3 | Black | Loss | Yokono Yoshiki | 1878.93 |
| 3rd Tohoku Championship | ||||
| Date | 2011-02-27 | Rating | 2095.22 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Yamamoto Harue | 1671.49 |
| 2 | Black | Win | Yokono Yoshiki | 1878.38 |
| 3 | Black | Loss | Miyagawa Sou | 2098.70 |
| 4 | Black | Loss | Fukui Nobuhiro | 2365.39 |
| 5 | Black | Win | Miura Hitoshi | 1900.31 |
| 14th Mikami Cup Tournament | ||||
| Date | 2011-01-30 | Rating | 2094.99 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Loss | Mitsumori Masao | 2297.43 |
| S3 | White | Loss | Isobe Taizan | 2375.34 |
| S4 | Black | Loss | Ishitani Shin-ichi | 2360.14 |
| S5 | White | Loss | Ono Takayuki | 2362.31 |
| 29th Aomori-Meijinsen Tournament | ||||
| Date | 2010-11-14 | Rating | 2098.70 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Yokono Yoshiki | 1883.19 |
| 2 | Black | Win | Chiba Tomio | 1736.47 |
| 3 | Black | Win | Miura Hitoshi | 1907.43 |
| 4 | Black | Win | Yamamoto Harue | 1681.04 |
| 5 | Black | Loss | Tanno Yoshitaka | 2078.81 |
| 2nd Tohoku Championship | ||||
| Date | 2010-03-14 | Rating | 2108.00 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Hirono Masakazu | 1941.11 |
| 2 | Black | Loss | Ishitani Shin-ichi | 2363.46 |
| 3 | Black | Win | Miura Hitoshi | 1898.71 |
| 4 | White | Win | Kobayashi Koichi | 2110.51 |
| 5 | White | Win | Seiryu Masanori | 1970.01 |
| 28th Aomori-Meijinsen Tournament | ||||
| Date | 2009-11-01 | Rating | 2111.71 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Yamamoto Harue | 1687.97 |
| 2 | White | Loss | Tamada Yoichi | 2369.57 |
| 3 | White | Win | Chiba Tomio | 1736.94 |
| 4 | Black | Win | Yamamoto Yuuichi | 1696.26 |
| 5 | White | Loss | Miyagawa Sou | 2109.45 |
| 8th Middle-dan Players Tournament | ||||
| Date | 2009-08-30 | Rating | 2115.44 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Kobayashi Koichi | 2108.07 |
| 2 | Black | Loss | Koyama Jun | 2410.91 |
| 3 | Black | Loss | Maruyama Yasushi | 2226.68 |
| 4 | Black | Loss | Yamamoto Yasuhiro | 2117.18 |
| 5 | White | Loss | Kubo Izumi | 2087.68 |
| 6 | Black | Win | Kato Yasuhiro | 2025.67 |
| 1st Tohoku Championship | ||||
| Date | 2009-02-22 | Rating | 2136.07 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Miura Hitoshi | 1908.63 |
| 2 | Black | Win | Sato Ryota | 1498.39 |
| 3 | Black | Loss | Ishitani Shin-ichi | 2361.93 |
| 4 | Black | Loss | Sato Kiyotomi | 2416.33 |
| 5 | Black | Loss | Tanno Yoshitaka | 2094.13 |
| 12th Mikami Cup Tournament | ||||
| Date | 2009-01-18 | Rating | 2141.72 | |
| Round | Color | Result | Opponent | |
| A1 | Black | Win | Tamada Yoichi | 2262.56 |
| A2 | White | Win | Tomobe Katsuhiro | 2092.76 |
| A3 | Black | Win | Kobayashi Koichi | 2095.24 |
| A4 | White | Win | Tanizaki Ryusuke | 2106.97 |
| A5 | Black | Loss | Ono Takayuki | 2377.10 |
| 7th 6-7 dan Tournament | ||||
| Date | 2008-09-28 | Rating | 2145.03 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Kubo Izumi | 2085.46 |
| 2 | Black | Loss | Ono Takayuki | 2375.97 |
| 3 | Black | Loss | Kobayashi Koichi | 2090.13 |
| 4 | White | Win | Kato Yasuhiro | 1982.79 |
| 5 | White | Win | Tamura Kazumasa | 2439.89 |
| 6 | Black | Loss | Maruyama Yasushi | 2202.87 |
| 6dan 7dan Tournament | ||||
| Date | 2007-10-08 | Rating | 2146.62 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Nagao Noriaki | 2230.55 |
| 2 | White | Win | Yamamoto Yasuhiro | 2071.24 |
| 3 | Black | Win | Kato Yasuhiro | 1962.35 |
| 4 | Black | Win | Ono Takayuki | 2348.04 |
| 5 | White | Loss | Sato Kiyotomi | 2380.35 |
| 6 | Black | Loss | Tamura Kazumasa | 2386.42 |
| 5th 6-7 dan Tournament | ||||
| Date | 2004-12-05 | Rating | 2064.82 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Sato Kiyotomi | 2349.63 |
| 2 | Black | Win | Yamamoto Yasuhiro | 2033.97 |
| 3 | Black | Loss | Arita Nobuyoshi | 2265.94 |
| 4 | Black | Win | Tadokoro Hosai | 1919.10 |
| 5 | Black | Loss | Hiwatashi Kikuma | 1915.32 |
| 6 | White | Loss | Miyagawa Junzo | 2234.43 |