Gakumazawa Hideaki, Japan - Renju Rating

JPN Gakumazawa Hideaki (嶽間沢秀明)

Place: Iwate, Japan

Rating: 2135.23, Std: 97.91, Rank: 542

First game: 2004-12-05, Last game: 2026-01-25

Top rating: 2214.31 (2017-07-02)

Games: 198, Wins: 94, Draws: 13, Losses: 91

Gy1: 17, Gy2: 30, Gy5: 44

5th Masters Renju Tournament
Date 2026-01-25 Rating 2135.23
Round Color Result Opponent
1 Black Loss JPN Ishitani Shin-ichi 2355.58
2 Black Loss JPN Iwano Fumio 2161.89
3 White Loss JPN Miyamoto Syunju 2345.10
4 Black Loss JPN Kawamura Norihiko 2518.31
5 Black Draw JPN Kuga Akio 2435.09
41 Aomori Championship
Date 2025-11-29 Rating 2139.42
Round Color Result Opponent
1 White Win JPN Tanno Yoshitaka 2071.98
2 White Win JPN Miyamoto Syunju 2331.72
3 Black Win JPN Ooshina Seiichi 1893.13
39 Aomori Championship
Date 2025-06-28 Rating 2127.63
Round Color Result Opponent
1 White Win JPN Ooshina Seiichi 1902.24
2 White Loss JPN Tanno Yoshitaka 2077.52
3 White Loss JPN Kawaai Hitoshi 2061.72
4 White Draw JPN Ishitani Shin-ichi 2373.51
5 White Win JPN Miyamoto Syunju 2316.83
63rd Meijinsen Qualification Tohoku area 1st round
Date 2025-05-18 Rating 2124.03
Round Color Result Opponent
1 White Loss JPN Shimura Hiroki 2252.14
2 White Draw JPN Kawaai Hitoshi 2062.04
4 White Loss JPN Miyamoto Syunju 2316.43
5 Black Draw JPN Kusajima Masato 2222.37
16th Tohoku Championship
Date 2025-03-09 Rating 2121.94
Round Color Result Opponent
2 White Loss JPN Ishitani Shin-ichi 2393.22
3 White Loss JPN Shimura Hiroki 2246.34
4 Black Draw JPN Kusajima Masato 2225.56
5 White Win JPN Tamura Syougo 1764.63
38 Aomori Championship
Date 2024-06-29 Rating 2121.22
Round Color Result Opponent
1 White Win JPN Kawaai Hitoshi 2035.50
2 Black Loss JPN Ishitani Shin-ichi 2419.04
3 White Loss JPN Miyamoto Syunju 2355.59
5 White Win JPN Tanno Yoshitaka 2066.56
62nd Meijinsen Qualification Tohoku area 1st round
Date 2024-05-19 Rating 2119.09
Round Color Result Opponent
1 Black Loss JPN Fujita Maiko 2435.20
2 White Win JPN Shimura Hiroki 2168.97
3 Black Loss JPN Miyamoto Syunju 2364.76
4 Black Draw JPN Kusajima Masato 2262.36
5 Black Win JPN Kawaai Hitoshi 2032.73
15th Tohoku Championship
Date 2024-03-31 Rating 2112.14
Round Color Result Opponent
1 White Loss JPN Ishitani Shin-ichi 2423.32
2 Black Loss JPN Miyamoto Syunju 2368.00
3 Black Loss JPN Kusajima Masato 2267.09
4 Black Loss JPN Kawaai Hitoshi 2035.52
5 White Loss JPN Fujita Maiko 2427.26
61th Meijinsen Qualification Tohoku area 1st round
Date 2023-05-21 Rating 2115.33
Round Color Result Opponent
1 White Loss JPN Inoue Fumiya 2537.85
2 White Win JPN Kawaai Hitoshi 2051.97
4 Black Loss JPN Kusajima Masato 2270.02
5 White Draw JPN Miyamoto Syunju 2303.85
14th Tohoku Championship
Date 2023-02-19 Rating 2113.36
Round Color Result Opponent
1 White Win JPN Kawaai Hitoshi 2061.58
2 Black Loss JPN Miyamoto Syunju 2280.35
3 White Loss JPN Oomura Shu 2373.88
4 White Loss JPN Kusajima Masato 2270.41
5 Black Loss JPN Inoue Fumiya 2539.72
11th Tohoku Championship
Date 2019-10-06 Rating 2141.57
Round Color Result Opponent
1 Black Loss JPN Miyamoto Syunju 2297.69
2 White Draw JPN Ishitani Shin-ichi 2384.25
3 Black Win JPN Kusajima Masato 2244.23
4 Black Loss JPN Hirono Masakazu 2056.44
5 Black Loss JPN Okabe Hiroshi 2731.82
57 Meijinsen Qualification Tohoku area 1st round
Date 2019-04-07 Rating 2145.66
Round Color Result Opponent
1 White Draw JPN Miyamoto Syunju 2275.68
2 White Loss JPN Kusajima Masato 2272.35
4 Black Loss JPN Miyamoto Syunju 2275.68
5 White Loss JPN Kusajima Masato 2272.35
35 Aomori Championship
Date 2018-07-01 Rating 2176.64
Round Color Result Opponent
1 White Win JPN Yamamoto Harue 1629.16
2 Black Loss JPN Miyamoto Syunju 2265.06
3 Black Loss JPN Tanno Yoshitaka 2133.57
56 Meijinsen Qualification Tohoku area 1st round
Date 2018-04-15 Rating 2192.82
Round Color Result Opponent
2 White Win JPN Miyamoto Syunju 2258.47
3 White Win JPN Kusajima Masato 2310.10
4 Black Win JPN Miyamoto Syunju 2258.47
5 Black Loss JPN Kusajima Masato 2310.10
Aomori Meijinsen Tournament
Date 2017-11-05 Rating 2199.61
Round Color Result Opponent
1 Black Loss JPN Tanno Yoshitaka 2135.74
2 Black Win JPN Ooshina Seiichi 2021.45
3 White Win JPN Koseki Kenshou 1639.74
5 White Loss JPN Miyamoto Syunju 2283.06
34 Aomori Championship
Date 2017-07-02 Rating 2214.31
Round Color Result Opponent
1 Black Win JPN Yamamoto Harue 1633.93
2 Black Win JPN Koseki Kenshou 1650.60
3 White Win JPN Kusajima Masato 2284.57
4 White Win JPN Tanno Yoshitaka 2141.28
5 White Win JPN Miyamoto Syunju 2274.32
55 Meijinsen Qualification Tohoku area 1st round
Date 2017-04-09 Rating 2208.69
Round Color Result Opponent
1 White Win JPN Miyamoto Syunju 2258.53
3 White Loss JPN Kusajima Masato 2289.51
4 Black Loss JPN Kusajima Masato 2289.51
5 White Loss JPN Miyamoto Syunju 2258.53
54 Meijinsen Qualification Tohoku area 1st round
Date 2016-04-10 Rating 2209.74
Round Color Result Opponent
1 White Draw JPN Kusajima Masato 2267.66
2 White Win JPN Miyamoto Syunju 2159.45
3 Black Win JPN Miura Hitoshi 1775.90
32nd Aomori Championship
Date 2015-07-05 Rating 2192.30
Round Color Result Opponent
1 White Win JPN Ooshina Seiichi 2029.16
2 Black Loss JPN Tanno Yoshitaka 2166.09
3 White Win JPN Yamamoto Harue 1692.73
4 Black Loss JPN Kobayashi Koichi 2287.47
5 White Win JPN Koseki Kenshou 1686.63
7th Tohoku Championship
Date 2015-04-12 Rating 2191.90
Round Color Result Opponent
1 Black Loss JPN Okabe Hiroshi 2739.99
2 Black Win JPN Miura Hitoshi 1791.80
3 Black Loss JPN Ishitani Shin-ichi 2425.09
4 Black Win JPN Miyamoto Syunju 2057.91
5 Black Win JPN Kobayashi Koichi 2296.08
Sendai Memorial Cup
Date 2015-03-01 Rating 2187.94
Round Color Result Opponent
1 Black Win JPN Miura Hitoshi 1794.31
4 White Loss JPN Kobayashi Koichi 2295.29
6 Black Win JPN Miyamoto Syunju 2048.03
7 White Win JPN Hirono Masakazu 1986.82
33th Aomori Meijinsen
Date 2014-11-09 Rating 2173.77
Round Color Result Opponent
1 Black Win JPN Shimoda Hiroyasu 1578.62
2 White Loss JPN Kobayashi Koichi 2273.61
3 White Win JPN Yamamoto Harue 1713.53
4 Black Win JPN Koseki Kenshou 1700.77
5 Black Loss JPN Tanno Yoshitaka 2167.47
6th Tohoku Championship
Date 2014-04-20 Rating 2164.09
Round Color Result Opponent
1 White Loss JPN Kusajima Masato 2236.95
2 White Win JPN Kobayashi Koichi 2241.76
3 White Win JPN Hirono Masakazu 1988.81
4 Black Loss JPN Okabe Hiroshi 2759.69
5 Black Win JPN Sato Kiyotomi 2471.04
7 Black Loss JPN Miura Hitoshi 1803.04
32 Aomori Meijinsen
Date 2013-11-10 Rating 2149.01
Round Color Result Opponent
1 White Loss JPN Yamamoto Harue 1760.53
2 Black Win JPN Koseki Kenshou 1694.55
3 White Win JPN Miura Hitoshi 1794.74
4 White Win JPN Chiba Tomio 1785.30
5 Black Win JPN Tanno Yoshitaka 2156.56
5th Tohoku Championship
Date 2013-04-14 Rating 2131.65
Round Color Result Opponent
1 Black Loss JPN Okabe Hiroshi 2740.74
2 Black Loss JPN Suzuki Rin 2052.34
3 White Loss JPN Nakamura Shigeru 2867.42
4 Black Win JPN Miura Hitoshi 1828.91
5 White Loss JPN Kusajima Masato 2215.78
31st Aomori Meijinsen
Date 2012-11-10 Rating 2134.14
Round Color Result Opponent
1 White Win JPN Yamamoto Harue 1714.34
2 Black Win JPN Kudou Shin-ichi 1889.66
3 Black Win JPN Asari Katsuki 1721.46
4 Black Win JPN Miura Hitoshi 1867.29
5 Black Win JPN Tanno Yoshitaka 2151.14
30th Aomori Championship
Date 2012-07-01 Rating 2120.63
Round Color Result Opponent
1 Black Loss JPN Kudou Shin-ichi 1895.05
2 White Win JPN Yamamoto Harue 1700.66
3 White Draw KOR Kim Chang-Su 2038.37
4 Black Win JPN Yokono Yoshiki 1855.05
5 White Loss JPN Tanno Yoshitaka 2149.58
4th Tohoku Championship
Date 2012-04-08 Rating 2122.30
Round Color Result Opponent
1 Black Loss JPN Kudomi Takahiro 2430.80
2 Black Loss JPN Ozawa Tetsushi 2062.31
3 White Win JPN Suzuki Junichiro 1938.62
4 Black Win JPN Maruta Hiroki 2087.57
5 Black Draw JPN Kobayashi Koichi 2225.89
7th All Japan Championship
Date 2012-01-29 Rating 2122.74
Round Color Result Opponent
1 Black Loss JPN Ishitani Shin-ichi 2381.75
2 Black Loss JPN Kamiya Shunsuke 2462.28
3 White Win JPN Suzuki Rin 1996.09
4 Black Loss JPN Kudomi Takahiro 2427.93
5 Black Win JPN Fujikawa Masaki 2075.60
6 Black Loss JPN Kon Akira 2021.18
30th Aomori-Meijinsen touranament
Date 2011-11-13 Rating 2126.13
Round Color Result Opponent
1 Black Win JPN Yamamoto Harue 1667.87
2 White Win JPN Yamamoto Yuuichi 1716.93
3 Black Win JPN Tsushima Norito 1692.22
4 Black Win JPN Tanno Yoshitaka 2126.07
5 White Win JPN Nara Tsurue 1808.37
29th Aomori Championship
Date 2011-07-03 Rating 2119.16
Round Color Result Opponent
1 White Win JPN Yamamoto Harue 1672.64
2 Black Win JPN Tanno Yoshitaka 2113.48
3 Black Loss JPN Yokono Yoshiki 1896.66
3rd Tohoku Championship
Date 2011-02-27 Rating 2115.63
Round Color Result Opponent
1 White Win JPN Yamamoto Harue 1686.53
2 Black Win JPN Yokono Yoshiki 1894.87
3 Black Loss JPN Miyagawa Sou 2123.18
4 Black Loss JPN Fukui Nobuhiro 2393.42
5 Black Win JPN Miura Hitoshi 1934.64
14th Mikami Cup Tournament
Date 2011-01-30 Rating 2115.16
Round Color Result Opponent
S1 Black Loss JPN Mitsumori Masao 2330.61
S3 White Loss JPN Isobe Taizan 2410.31
S4 Black Loss JPN Ishitani Shin-ichi 2393.94
S5 White Loss JPN Ono Takayuki 2395.42
29th Aomori-Meijinsen Tournament
Date 2010-11-14 Rating 2119.95
Round Color Result Opponent
1 Black Win JPN Yokono Yoshiki 1900.91
2 Black Win JPN Chiba Tomio 1749.69
3 Black Win JPN Miura Hitoshi 1942.91
4 Black Win JPN Yamamoto Harue 1700.26
5 Black Loss JPN Tanno Yoshitaka 2097.57
2nd Tohoku Championship
Date 2010-03-14 Rating 2131.32
Round Color Result Opponent
1 Black Loss JPN Hirono Masakazu 1970.24
2 Black Loss JPN Ishitani Shin-ichi 2398.22
3 Black Win JPN Miura Hitoshi 1926.78
4 White Win JPN Kobayashi Koichi 2133.15
5 White Win JPN Seiryu Masanori 1987.72
28th Aomori-Meijinsen Tournament
Date 2009-11-01 Rating 2135.29
Round Color Result Opponent
1 White Win JPN Yamamoto Harue 1708.17
2 White Loss JPN Tamada Yoichi 2406.05
3 White Win JPN Chiba Tomio 1750.51
4 Black Win JPN Yamamoto Yuuichi 1710.99
5 White Loss JPN Miyagawa Sou 2136.55
8th Middle-dan Players Tournament
Date 2009-08-30 Rating 2140.08
Round Color Result Opponent
1 Black Win JPN Kobayashi Koichi 2133.01
2 Black Loss JPN Koyama Jun 2446.09
3 Black Loss JPN Maruyama Yasushi 2263.73
4 Black Loss JPN Yamamoto Yasuhiro 2149.40
5 White Loss JPN Kubo Izumi 2115.66
6 Black Win JPN Kato Yasuhiro 2050.80
1st Tohoku Championship
Date 2009-02-22 Rating 2167.73
Round Color Result Opponent
1 White Win JPN Miura Hitoshi 1937.65
2 Black Win JPN Sato Ryota 1525.93
3 Black Loss JPN Ishitani Shin-ichi 2392.74
4 Black Loss JPN Sato Kiyotomi 2453.35
5 Black Loss JPN Tanno Yoshitaka 2120.29
12th Mikami Cup Tournament
Date 2009-01-18 Rating 2175.62
Round Color Result Opponent
A1 Black Win JPN Tamada Yoichi 2280.49
A2 White Win JPN Tomobe Katsuhiro 2110.81
A3 Black Win JPN Kobayashi Koichi 2116.95
A4 White Win JPN Tanizaki Ryusuke 2131.91
A5 Black Loss JPN Ono Takayuki 2412.07
7th 6-7 dan Tournament
Date 2008-09-28 Rating 2179.64
Round Color Result Opponent
1 Black Win JPN Kubo Izumi 2109.94
2 Black Loss JPN Ono Takayuki 2411.03
3 Black Loss JPN Kobayashi Koichi 2110.12
4 White Win JPN Kato Yasuhiro 1998.48
5 White Win JPN Tamura Kazumasa 2471.80
6 Black Loss JPN Maruyama Yasushi 2234.30
6dan 7dan Tournament
Date 2007-10-08 Rating 2181.55
Round Color Result Opponent
1 Black Draw JPN Nagao Noriaki 2249.79
2 White Win JPN Yamamoto Yasuhiro 2091.69
3 Black Win JPN Kato Yasuhiro 1970.42
4 Black Win JPN Ono Takayuki 2376.80
5 White Loss JPN Sato Kiyotomi 2402.52
6 Black Loss JPN Tamura Kazumasa 2409.26
5th 6-7 dan Tournament
Date 2004-12-05 Rating 2069.28
Round Color Result Opponent
1 Black Loss JPN Sato Kiyotomi 2369.15
2 Black Win JPN Yamamoto Yasuhiro 2047.06
3 Black Loss JPN Arita Nobuyoshi 2281.88
4 Black Win JPN Tadokoro Hosai 1927.50
5 Black Loss JPN Hiwatashi Kikuma 1950.01
6 White Loss JPN Miyagawa Junzo 2256.83