Gakumazawa Hideaki (嶽間沢秀明)
Place: Iwate, Japan
Rating: 2095.66, Std: 94.16, Rank: 583
First game: 2004-12-05, Last game: 2024-06-29
Top rating: 2211.64 (2017-07-02)
Games: 177, Wins: 88, Draws: 8, Losses: 81
Gy1: 14, Gy2: 23, Gy5: 28
| 38 Aomori Championship | ||||
|---|---|---|---|---|
| Date | 2024-06-29 | Rating | 2095.66 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Kawaai Hitoshi | 1951.59 |
| 2 | Black | Loss | Ishitani Shin-ichi | 2391.55 |
| 3 | White | Loss | Miyamoto Syunju | 2387.29 |
| 5 | White | Win | Tanno Yoshitaka | 2092.55 |
| 62th Meijinsen Qualification Tohoku area 1st round | ||||
| Date | 2024-05-19 | Rating | 2093.43 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Fujita Maiko | 2384.57 |
| 2 | White | Win | Shimura Hiroki | 2079.39 |
| 3 | Black | Loss | Miyamoto Syunju | 2385.50 |
| 4 | Black | Draw | Kusajima Masato | 2278.55 |
| 5 | Black | Win | Kawaai Hitoshi | 1955.05 |
| 15th Tohoku Championship | ||||
| Date | 2024-03-31 | Rating | 2086.86 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Ishitani Shin-ichi | 2395.06 |
| 2 | Black | Loss | Miyamoto Syunju | 2378.75 |
| 3 | Black | Loss | Kusajima Masato | 2278.94 |
| 4 | Black | Loss | Kawaai Hitoshi | 1964.25 |
| 5 | White | Loss | Fujita Maiko | 2380.36 |
| 61th Meijinsen Qualification Tohoku area 1st round | ||||
| Date | 2023-05-21 | Rating | 2092.75 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Inoue Fumiya | 2506.91 |
| 2 | White | Win | Kawaai Hitoshi | 2010.53 |
| 4 | Black | Loss | Kusajima Masato | 2265.87 |
| 5 | White | Draw | Miyamoto Syunju | 2288.24 |
| 14th Tohoku Championship | ||||
| Date | 2023-02-19 | Rating | 2091.57 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Kawaai Hitoshi | 2024.20 |
| 2 | Black | Loss | Miyamoto Syunju | 2262.88 |
| 3 | White | Loss | Oomura Shu | 2327.32 |
| 4 | White | Loss | Kusajima Masato | 2263.40 |
| 5 | Black | Loss | Inoue Fumiya | 2510.51 |
| 11th Tohoku Championship | ||||
| Date | 2019-10-06 | Rating | 2133.86 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Miyamoto Syunju | 2292.22 |
| 2 | White | Draw | Ishitani Shin-ichi | 2369.28 |
| 3 | Black | Win | Kusajima Masato | 2237.03 |
| 4 | Black | Loss | Hirono Masakazu | 2076.68 |
| 5 | Black | Loss | Okabe Hiroshi | 2717.56 |
| 57 Meijinsen Qualification Tohoku area 1st round | ||||
| Date | 2019-04-07 | Rating | 2139.35 | |
| Round | Color | Result | Opponent | |
| 1 | White | Draw | Miyamoto Syunju | 2270.34 |
| 2 | White | Loss | Kusajima Masato | 2264.85 |
| 4 | Black | Loss | Miyamoto Syunju | 2270.34 |
| 5 | White | Loss | Kusajima Masato | 2264.85 |
| 35 Aomori Championship | ||||
| Date | 2018-07-01 | Rating | 2172.48 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Yamamoto Harue | 1630.44 |
| 2 | Black | Loss | Miyamoto Syunju | 2260.10 |
| 3 | Black | Loss | Tanno Yoshitaka | 2144.15 |
| 56 Meijinsen Qualification Tohoku area 1st round | ||||
| Date | 2018-04-15 | Rating | 2189.08 | |
| Round | Color | Result | Opponent | |
| 2 | White | Win | Miyamoto Syunju | 2253.40 |
| 3 | White | Win | Kusajima Masato | 2303.31 |
| 4 | Black | Win | Miyamoto Syunju | 2253.40 |
| 5 | Black | Loss | Kusajima Masato | 2303.31 |
| Aomori Meijinsen Tournament | ||||
| Date | 2017-11-05 | Rating | 2196.94 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Tanno Yoshitaka | 2143.76 |
| 2 | Black | Win | Ooshina Seiichi | 2057.67 |
| 3 | White | Win | Koseki Kenshou | 1649.11 |
| 5 | White | Loss | Miyamoto Syunju | 2278.08 |
| 34 Aomori Championship | ||||
| Date | 2017-07-02 | Rating | 2211.64 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Yamamoto Harue | 1635.20 |
| 2 | Black | Win | Koseki Kenshou | 1659.05 |
| 3 | White | Win | Kusajima Masato | 2278.28 |
| 4 | White | Win | Tanno Yoshitaka | 2147.84 |
| 5 | White | Win | Miyamoto Syunju | 2269.37 |
| 55 Meijinsen Qualification Tohoku area 1st round | ||||
| Date | 2017-04-09 | Rating | 2205.94 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Miyamoto Syunju | 2253.62 |
| 3 | White | Loss | Kusajima Masato | 2283.21 |
| 4 | Black | Loss | Kusajima Masato | 2283.21 |
| 5 | White | Loss | Miyamoto Syunju | 2253.62 |
| 54 Meijinsen Qualification Tohoku area 1st round | ||||
| Date | 2016-04-10 | Rating | 2207.30 | |
| Round | Color | Result | Opponent | |
| 1 | White | Draw | Kusajima Masato | 2261.42 |
| 2 | White | Win | Miyamoto Syunju | 2156.07 |
| 3 | Black | Win | Miura Hitoshi | 1774.92 |
| 32nd Aomori Championship | ||||
| Date | 2015-07-05 | Rating | 2190.29 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Ooshina Seiichi | 2049.96 |
| 2 | Black | Loss | Tanno Yoshitaka | 2167.84 |
| 3 | White | Win | Yamamoto Harue | 1693.23 |
| 4 | Black | Loss | Kobayashi Koichi | 2282.75 |
| 5 | White | Win | Koseki Kenshou | 1691.19 |
| 7th Tohoku Championship | ||||
| Date | 2015-04-12 | Rating | 2189.73 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Okabe Hiroshi | 2731.88 |
| 2 | Black | Win | Miura Hitoshi | 1790.70 |
| 3 | Black | Loss | Ishitani Shin-ichi | 2417.45 |
| 4 | Black | Win | Miyamoto Syunju | 2055.81 |
| 5 | Black | Win | Kobayashi Koichi | 2291.22 |
| Sendai Memorial Cup | ||||
| Date | 2015-03-01 | Rating | 2185.73 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Miura Hitoshi | 1793.09 |
| 4 | White | Loss | Kobayashi Koichi | 2290.42 |
| 6 | Black | Win | Miyamoto Syunju | 2045.95 |
| 7 | White | Win | Hirono Masakazu | 1987.84 |
| 33th Aomori Meijinsen | ||||
| Date | 2014-11-09 | Rating | 2171.45 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Shimoda Hiroyasu | 1579.51 |
| 2 | White | Loss | Kobayashi Koichi | 2268.61 |
| 3 | White | Win | Yamamoto Harue | 1713.74 |
| 4 | Black | Win | Koseki Kenshou | 1704.22 |
| 5 | Black | Loss | Tanno Yoshitaka | 2168.16 |
| 6th Tohoku Championship | ||||
| Date | 2014-04-20 | Rating | 2161.48 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Kusajima Masato | 2231.81 |
| 2 | White | Win | Kobayashi Koichi | 2236.41 |
| 3 | White | Win | Hirono Masakazu | 1988.24 |
| 4 | Black | Loss | Okabe Hiroshi | 2752.66 |
| 5 | Black | Win | Sato Kiyotomi | 2464.06 |
| 7 | Black | Loss | Miura Hitoshi | 1801.30 |
| 32 Aomori Meijinsen | ||||
| Date | 2013-11-10 | Rating | 2146.31 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Yamamoto Harue | 1760.16 |
| 2 | Black | Win | Koseki Kenshou | 1696.82 |
| 3 | White | Win | Miura Hitoshi | 1792.95 |
| 4 | White | Win | Chiba Tomio | 1784.44 |
| 5 | Black | Win | Tanno Yoshitaka | 2156.07 |
| 5th Tohoku Championship | ||||
| Date | 2013-04-14 | Rating | 2128.67 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Okabe Hiroshi | 2734.28 |
| 2 | Black | Loss | Suzuki Rin | 2046.79 |
| 3 | White | Loss | Nakamura Shigeru | 2860.90 |
| 4 | Black | Win | Miura Hitoshi | 1826.84 |
| 5 | White | Loss | Kusajima Masato | 2210.91 |
| 31st Aomori Meijinsen | ||||
| Date | 2012-11-10 | Rating | 2131.05 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Yamamoto Harue | 1713.40 |
| 2 | Black | Win | Kudou Shin-ichi | 1888.09 |
| 3 | Black | Win | Asari Katsuki | 1720.17 |
| 4 | Black | Win | Miura Hitoshi | 1865.12 |
| 5 | Black | Win | Tanno Yoshitaka | 2149.59 |
| 30th Aomori Championship | ||||
| Date | 2012-07-01 | Rating | 2117.37 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Kudou Shin-ichi | 1893.51 |
| 2 | White | Win | Yamamoto Harue | 1699.58 |
| 3 | White | Draw | Kim Chang-Su | 2033.26 |
| 4 | Black | Win | Yokono Yoshiki | 1853.00 |
| 5 | White | Loss | Tanno Yoshitaka | 2147.68 |
| 4th Tohoku Championship | ||||
| Date | 2012-04-08 | Rating | 2118.90 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Kudomi Takahiro | 2425.21 |
| 2 | Black | Loss | Ozawa Tetsushi | 2056.95 |
| 3 | White | Win | Suzuki Junichiro | 1933.08 |
| 4 | Black | Win | Maruta Hiroki | 2082.20 |
| 5 | Black | Draw | Kobayashi Koichi | 2220.83 |
| 7th All Japan Championship | ||||
| Date | 2012-01-29 | Rating | 2119.31 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Ishitani Shin-ichi | 2376.26 |
| 2 | Black | Loss | Kamiya Shunsuke | 2456.60 |
| 3 | White | Win | Suzuki Rin | 1991.05 |
| 4 | Black | Loss | Kudomi Takahiro | 2422.46 |
| 5 | Black | Win | Fujikawa Masaki | 2070.25 |
| 6 | Black | Loss | Kon Akira | 2015.80 |
| 30th Aomori-Meijinsen touranament | ||||
| Date | 2011-11-13 | Rating | 2122.77 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Yamamoto Harue | 1666.63 |
| 2 | White | Win | Yamamoto Yuuichi | 1715.31 |
| 3 | Black | Win | Tsushima Norito | 1690.93 |
| 4 | Black | Win | Tanno Yoshitaka | 2123.83 |
| 5 | White | Win | Nara Tsurue | 1806.86 |
| 29th Aomori Championship | ||||
| Date | 2011-07-03 | Rating | 2115.84 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Yamamoto Harue | 1671.33 |
| 2 | Black | Win | Tanno Yoshitaka | 2111.05 |
| 3 | Black | Loss | Yokono Yoshiki | 1894.60 |
| 3rd Tohoku Championship | ||||
| Date | 2011-02-27 | Rating | 2112.31 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Yamamoto Harue | 1685.19 |
| 2 | Black | Win | Yokono Yoshiki | 1892.81 |
| 3 | Black | Loss | Miyagawa Sou | 2119.11 |
| 4 | Black | Loss | Fukui Nobuhiro | 2388.38 |
| 5 | Black | Win | Miura Hitoshi | 1932.23 |
| 14th Mikami Cup Tournament | ||||
| Date | 2011-01-30 | Rating | 2111.83 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Loss | Mitsumori Masao | 2325.69 |
| S3 | White | Loss | Isobe Taizan | 2405.40 |
| S4 | Black | Loss | Ishitani Shin-ichi | 2389.10 |
| S5 | White | Loss | Ono Takayuki | 2390.44 |
| 29th Aomori-Meijinsen Tournament | ||||
| Date | 2010-11-14 | Rating | 2116.66 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Yokono Yoshiki | 1898.88 |
| 2 | Black | Win | Chiba Tomio | 1748.58 |
| 3 | Black | Win | Miura Hitoshi | 1940.50 |
| 4 | Black | Win | Yamamoto Harue | 1698.94 |
| 5 | Black | Loss | Tanno Yoshitaka | 2094.84 |
| 2nd Tohoku Championship | ||||
| Date | 2010-03-14 | Rating | 2128.01 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Hirono Masakazu | 1967.23 |
| 2 | Black | Loss | Ishitani Shin-ichi | 2394.00 |
| 3 | Black | Win | Miura Hitoshi | 1924.35 |
| 4 | White | Win | Kobayashi Koichi | 2129.08 |
| 5 | White | Win | Seiryu Masanori | 1985.65 |
| 28th Aomori-Meijinsen Tournament | ||||
| Date | 2009-11-01 | Rating | 2131.96 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Yamamoto Harue | 1706.89 |
| 2 | White | Loss | Tamada Yoichi | 2402.08 |
| 3 | White | Win | Chiba Tomio | 1749.37 |
| 4 | Black | Win | Yamamoto Yuuichi | 1709.59 |
| 5 | White | Loss | Miyagawa Sou | 2132.92 |
| 8th Middle-dan Players Tournament | ||||
| Date | 2009-08-30 | Rating | 2136.72 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Kobayashi Koichi | 2129.16 |
| 2 | Black | Loss | Koyama Jun | 2441.75 |
| 3 | Black | Loss | Maruyama Yasushi | 2259.66 |
| 4 | Black | Loss | Yamamoto Yasuhiro | 2145.35 |
| 5 | White | Loss | Kubo Izumi | 2111.64 |
| 6 | Black | Win | Kato Yasuhiro | 2046.92 |
| 1st Tohoku Championship | ||||
| Date | 2009-02-22 | Rating | 2164.41 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Miura Hitoshi | 1935.35 |
| 2 | Black | Win | Sato Ryota | 1524.46 |
| 3 | Black | Loss | Ishitani Shin-ichi | 2389.14 |
| 4 | Black | Loss | Sato Kiyotomi | 2449.43 |
| 5 | Black | Loss | Tanno Yoshitaka | 2117.15 |
| 12th Mikami Cup Tournament | ||||
| Date | 2009-01-18 | Rating | 2172.30 | |
| Round | Color | Result | Opponent | |
| A1 | Black | Win | Tamada Yoichi | 2277.07 |
| A2 | White | Win | Tomobe Katsuhiro | 2107.14 |
| A3 | Black | Win | Kobayashi Koichi | 2113.36 |
| A4 | White | Win | Tanizaki Ryusuke | 2128.23 |
| A5 | Black | Loss | Ono Takayuki | 2408.35 |
| 7th 6-7 dan Tournament | ||||
| Date | 2008-09-28 | Rating | 2176.35 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Kubo Izumi | 2106.45 |
| 2 | Black | Loss | Ono Takayuki | 2407.44 |
| 3 | Black | Loss | Kobayashi Koichi | 2106.65 |
| 4 | White | Win | Kato Yasuhiro | 1995.00 |
| 5 | White | Win | Tamura Kazumasa | 2468.60 |
| 6 | Black | Loss | Maruyama Yasushi | 2230.66 |
| 6dan 7dan Tournament | ||||
| Date | 2007-10-08 | Rating | 2178.43 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Nagao Noriaki | 2246.45 |
| 2 | White | Win | Yamamoto Yasuhiro | 2088.48 |
| 3 | Black | Win | Kato Yasuhiro | 1967.26 |
| 4 | Black | Win | Ono Takayuki | 2373.53 |
| 5 | White | Loss | Sato Kiyotomi | 2399.08 |
| 6 | Black | Loss | Tamura Kazumasa | 2406.08 |
| 5th 6-7 dan Tournament | ||||
| Date | 2004-12-05 | Rating | 2066.75 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Sato Kiyotomi | 2366.42 |
| 2 | Black | Win | Yamamoto Yasuhiro | 2044.36 |
| 3 | Black | Loss | Arita Nobuyoshi | 2279.21 |
| 4 | Black | Win | Tadokoro Hosai | 1924.93 |
| 5 | Black | Loss | Hiwatashi Kikuma | 1947.20 |
| 6 | White | Loss | Miyagawa Junzo | 2254.55 |