Gakumazawa Hideaki, Japan - Renju Rating

JPN Gakumazawa Hideaki (嶽間沢秀明)

Place: Iwate, Japan

Rating: 2126.36, Std: 88.97, Rank: 547

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

Top rating: 2213.68 (2017-07-02)

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

Gy1: 21, Gy2: 35, Gy5: 44

5th Masters Renju Tournament
Date 2026-01-25 Rating 2126.36
Round Color Result Opponent
1 Black Loss JPN Ishitani Shin-ichi 2386.44
2 Black Loss JPN Iwano Fumio 2155.80
3 White Loss JPN Miyamoto Syunju 2302.62
4 Black Loss JPN Kawamura Norihiko 2510.02
5 Black Draw JPN Kuga Akio 2432.74
41 Aomori Championship
Date 2025-11-29 Rating 2130.49
Round Color Result Opponent
1 White Win JPN Tanno Yoshitaka 2063.55
2 White Win JPN Miyamoto Syunju 2295.46
3 Black Win JPN Ooshina Seiichi 1885.60
39 Aomori Championship
Date 2025-06-28 Rating 2119.02
Round Color Result Opponent
1 White Win JPN Ooshina Seiichi 1894.95
2 White Loss JPN Tanno Yoshitaka 2069.52
3 White Loss JPN Kawaai Hitoshi 2053.65
4 White Draw JPN Ishitani Shin-ichi 2382.37
5 White Win JPN Miyamoto Syunju 2294.90
63rd Meijinsen Qualification Tohoku area 1st round
Date 2025-05-18 Rating 2115.49
Round Color Result Opponent
1 White Loss JPN Shimura Hiroki 2245.88
2 White Draw JPN Kawaai Hitoshi 2054.19
4 White Loss JPN Miyamoto Syunju 2296.57
5 Black Draw JPN Kusajima Masato 2202.40
16th Tohoku Championship
Date 2025-03-09 Rating 2113.70
Round Color Result Opponent
2 White Loss JPN Ishitani Shin-ichi 2396.88
3 White Loss JPN Shimura Hiroki 2240.55
4 Black Draw JPN Kusajima Masato 2207.30
5 White Win JPN Tamura Syougo 1759.90
38 Aomori Championship
Date 2024-06-29 Rating 2114.05
Round Color Result Opponent
1 White Win JPN Kawaai Hitoshi 2030.12
2 Black Loss JPN Ishitani Shin-ichi 2416.72
3 White Loss JPN Miyamoto Syunju 2345.53
5 White Win JPN Tanno Yoshitaka 2059.66
62nd Meijinsen Qualification Tohoku area 1st round
Date 2024-05-19 Rating 2112.07
Round Color Result Opponent
1 Black Loss JPN Fujita Maiko 2430.10
2 White Win JPN Shimura Hiroki 2163.20
3 Black Loss JPN Miyamoto Syunju 2355.51
4 Black Draw JPN Kusajima Masato 2250.09
5 Black Win JPN Kawaai Hitoshi 2027.73
15th Tohoku Championship
Date 2024-03-31 Rating 2105.32
Round Color Result Opponent
1 White Loss JPN Ishitani Shin-ichi 2420.08
2 Black Loss JPN Miyamoto Syunju 2359.54
3 Black Loss JPN Kusajima Masato 2255.64
4 Black Loss JPN Kawaai Hitoshi 2031.04
5 White Loss JPN Fujita Maiko 2422.22
61th Meijinsen Qualification Tohoku area 1st round
Date 2023-05-21 Rating 2109.80
Round Color Result Opponent
1 White Loss JPN Inoue Fumiya 2533.28
2 White Win JPN Kawaai Hitoshi 2048.82
4 Black Loss JPN Kusajima Masato 2262.24
5 White Draw JPN Miyamoto Syunju 2298.17
14th Tohoku Championship
Date 2023-02-19 Rating 2108.20
Round Color Result Opponent
1 White Win JPN Kawaai Hitoshi 2058.44
2 Black Loss JPN Miyamoto Syunju 2275.17
3 White Loss JPN Oomura Shu 2368.94
4 White Loss JPN Kusajima Masato 2263.49
5 Black Loss JPN Inoue Fumiya 2535.48
11th Tohoku Championship
Date 2019-10-06 Rating 2141.15
Round Color Result Opponent
1 Black Loss JPN Miyamoto Syunju 2297.59
2 White Draw JPN Ishitani Shin-ichi 2382.32
3 Black Win JPN Kusajima Masato 2244.68
4 Black Loss JPN Hirono Masakazu 2082.90
5 Black Loss JPN Okabe Hiroshi 2729.66
57 Meijinsen Qualification Tohoku area 1st round
Date 2019-04-07 Rating 2145.20
Round Color Result Opponent
1 White Draw JPN Miyamoto Syunju 2275.26
2 White Loss JPN Kusajima Masato 2272.32
4 Black Loss JPN Miyamoto Syunju 2275.26
5 White Loss JPN Kusajima Masato 2272.32
35 Aomori Championship
Date 2018-07-01 Rating 2176.06
Round Color Result Opponent
1 White Win JPN Yamamoto Harue 1628.55
2 Black Loss JPN Miyamoto Syunju 2264.55
3 Black Loss JPN Tanno Yoshitaka 2131.85
56 Meijinsen Qualification Tohoku area 1st round
Date 2018-04-15 Rating 2192.23
Round Color Result Opponent
2 White Win JPN Miyamoto Syunju 2257.86
3 White Win JPN Kusajima Masato 2309.71
4 Black Win JPN Miyamoto Syunju 2257.86
5 Black Loss JPN Kusajima Masato 2309.71
Aomori Meijinsen Tournament
Date 2017-11-05 Rating 2198.97
Round Color Result Opponent
1 Black Loss JPN Tanno Yoshitaka 2134.29
2 Black Win JPN Ooshina Seiichi 2019.58
3 White Win JPN Koseki Kenshou 1638.60
5 White Loss JPN Miyamoto Syunju 2282.28
34 Aomori Championship
Date 2017-07-02 Rating 2213.68
Round Color Result Opponent
1 Black Win JPN Yamamoto Harue 1633.34
2 Black Win JPN Koseki Kenshou 1649.53
3 White Win JPN Kusajima Masato 2283.92
4 White Win JPN Tanno Yoshitaka 2139.94
5 White Win JPN Miyamoto Syunju 2273.55
55 Meijinsen Qualification Tohoku area 1st round
Date 2017-04-09 Rating 2208.07
Round Color Result Opponent
1 White Win JPN Miyamoto Syunju 2257.80
3 White Loss JPN Kusajima Masato 2288.82
4 Black Loss JPN Kusajima Masato 2288.82
5 White Loss JPN Miyamoto Syunju 2257.80
54 Meijinsen Qualification Tohoku area 1st round
Date 2016-04-10 Rating 2209.22
Round Color Result Opponent
1 White Draw JPN Kusajima Masato 2266.97
2 White Win JPN Miyamoto Syunju 2159.04
3 Black Win JPN Miura Hitoshi 1775.94
32nd Aomori Championship
Date 2015-07-05 Rating 2191.84
Round Color Result Opponent
1 White Win JPN Ooshina Seiichi 2027.96
2 Black Loss JPN Tanno Yoshitaka 2165.21
3 White Win JPN Yamamoto Harue 1692.23
4 Black Loss JPN Kobayashi Koichi 2286.70
5 White Win JPN Koseki Kenshou 1685.89
7th Tohoku Championship
Date 2015-04-12 Rating 2191.48
Round Color Result Opponent
1 Black Loss JPN Okabe Hiroshi 2738.60
2 Black Win JPN Miura Hitoshi 1791.90
3 Black Loss JPN Ishitani Shin-ichi 2423.73
4 Black Win JPN Miyamoto Syunju 2057.89
5 Black Win JPN Kobayashi Koichi 2295.33
Sendai Memorial Cup
Date 2015-03-01 Rating 2187.55
Round Color Result Opponent
1 Black Win JPN Miura Hitoshi 1794.40
4 White Loss JPN Kobayashi Koichi 2294.56
6 Black Win JPN Miyamoto Syunju 2048.03
7 White Win JPN Hirono Masakazu 1991.67
33th Aomori Meijinsen
Date 2014-11-09 Rating 2173.36
Round Color Result Opponent
1 Black Win JPN Shimoda Hiroyasu 1578.22
2 White Loss JPN Kobayashi Koichi 2272.85
3 White Win JPN Yamamoto Harue 1713.05
4 Black Win JPN Koseki Kenshou 1700.10
5 Black Loss JPN Tanno Yoshitaka 2166.68
6th Tohoku Championship
Date 2014-04-20 Rating 2163.69
Round Color Result Opponent
1 White Loss JPN Kusajima Masato 2236.52
2 White Win JPN Kobayashi Koichi 2240.97
3 White Win JPN Hirono Masakazu 1991.97
4 Black Loss JPN Okabe Hiroshi 2758.46
5 Black Win JPN Sato Kiyotomi 2469.90
7 Black Loss JPN Miura Hitoshi 1802.99
32 Aomori Meijinsen
Date 2013-11-10 Rating 2148.56
Round Color Result Opponent
1 White Loss JPN Yamamoto Harue 1760.09
2 Black Win JPN Koseki Kenshou 1693.98
3 White Win JPN Miura Hitoshi 1794.60
4 White Win JPN Chiba Tomio 1784.91
5 Black Win JPN Tanno Yoshitaka 2155.86
5th Tohoku Championship
Date 2013-04-14 Rating 2131.15
Round Color Result Opponent
1 Black Loss JPN Okabe Hiroshi 2739.58
2 Black Loss JPN Suzuki Rin 2051.53
3 White Loss JPN Nakamura Shigeru 2866.27
4 Black Win JPN Miura Hitoshi 1828.70
5 White Loss JPN Kusajima Masato 2215.30
31st Aomori Meijinsen
Date 2012-11-10 Rating 2133.59
Round Color Result Opponent
1 White Win JPN Yamamoto Harue 1713.93
2 Black Win JPN Kudou Shin-ichi 1889.32
3 Black Win JPN Asari Katsuki 1721.13
4 Black Win JPN Miura Hitoshi 1867.01
5 Black Win JPN Tanno Yoshitaka 2150.51
30th Aomori Championship
Date 2012-07-01 Rating 2120.04
Round Color Result Opponent
1 Black Loss JPN Kudou Shin-ichi 1894.72
2 White Win JPN Yamamoto Harue 1700.26
3 White Draw KOR Kim Chang-Su 2037.45
4 Black Win JPN Yokono Yoshiki 1854.67
5 White Loss JPN Tanno Yoshitaka 2148.95
4th Tohoku Championship
Date 2012-04-08 Rating 2121.69
Round Color Result Opponent
1 Black Loss JPN Kudomi Takahiro 2429.83
2 Black Loss JPN Ozawa Tetsushi 2061.51
3 White Win JPN Suzuki Junichiro 1937.57
4 Black Win JPN Maruta Hiroki 2086.68
5 Black Draw JPN Kobayashi Koichi 2225.07
7th All Japan Championship
Date 2012-01-29 Rating 2122.12
Round Color Result Opponent
1 Black Loss JPN Ishitani Shin-ichi 2380.77
2 Black Loss JPN Kamiya Shunsuke 2461.25
3 White Win JPN Suzuki Rin 1995.28
4 Black Loss JPN Kudomi Takahiro 2426.98
5 Black Win JPN Fujikawa Masaki 2074.71
6 Black Loss JPN Kon Akira 2020.31
30th Aomori-Meijinsen touranament
Date 2011-11-13 Rating 2125.52
Round Color Result Opponent
1 Black Win JPN Yamamoto Harue 1667.48
2 White Win JPN Yamamoto Yuuichi 1716.56
3 Black Win JPN Tsushima Norito 1691.88
4 Black Win JPN Tanno Yoshitaka 2125.46
5 White Win JPN Nara Tsurue 1808.01
29th Aomori Championship
Date 2011-07-03 Rating 2118.55
Round Color Result Opponent
1 White Win JPN Yamamoto Harue 1672.26
2 Black Win JPN Tanno Yoshitaka 2112.88
3 Black Loss JPN Yokono Yoshiki 1896.28
3rd Tohoku Championship
Date 2011-02-27 Rating 2115.02
Round Color Result Opponent
1 White Win JPN Yamamoto Harue 1686.15
2 Black Win JPN Yokono Yoshiki 1894.50
3 Black Loss JPN Miyagawa Sou 2122.41
4 Black Loss JPN Fukui Nobuhiro 2392.52
5 Black Win JPN Miura Hitoshi 1934.25
14th Mikami Cup Tournament
Date 2011-01-30 Rating 2114.55
Round Color Result Opponent
S1 Black Loss JPN Mitsumori Masao 2329.73
S3 White Loss JPN Isobe Taizan 2409.42
S4 Black Loss JPN Ishitani Shin-ichi 2393.05
S5 White Loss JPN Ono Takayuki 2394.51
29th Aomori-Meijinsen Tournament
Date 2010-11-14 Rating 2119.34
Round Color Result Opponent
1 Black Win JPN Yokono Yoshiki 1900.54
2 Black Win JPN Chiba Tomio 1749.33
3 Black Win JPN Miura Hitoshi 1942.52
4 Black Win JPN Yamamoto Harue 1699.90
5 Black Loss JPN Tanno Yoshitaka 2096.96
2nd Tohoku Championship
Date 2010-03-14 Rating 2130.72
Round Color Result Opponent
1 Black Loss JPN Hirono Masakazu 1970.23
2 Black Loss JPN Ishitani Shin-ichi 2397.38
3 Black Win JPN Miura Hitoshi 1926.39
4 White Win JPN Kobayashi Koichi 2132.44
5 White Win JPN Seiryu Masanori 1987.79
28th Aomori-Meijinsen Tournament
Date 2009-11-01 Rating 2134.67
Round Color Result Opponent
1 White Win JPN Yamamoto Harue 1707.83
2 White Loss JPN Tamada Yoichi 2405.27
3 White Win JPN Chiba Tomio 1750.18
4 Black Win JPN Yamamoto Yuuichi 1710.66
5 White Loss JPN Miyagawa Sou 2135.83
8th Middle-dan Players Tournament
Date 2009-08-30 Rating 2139.45
Round Color Result Opponent
1 Black Win JPN Kobayashi Koichi 2132.31
2 Black Loss JPN Koyama Jun 2445.27
3 Black Loss JPN Maruyama Yasushi 2262.92
4 Black Loss JPN Yamamoto Yasuhiro 2148.58
5 White Loss JPN Kubo Izumi 2114.87
6 Black Win JPN Kato Yasuhiro 2050.08
1st Tohoku Championship
Date 2009-02-22 Rating 2167.09
Round Color Result Opponent
1 White Win JPN Miura Hitoshi 1937.27
2 Black Win JPN Sato Ryota 1525.59
3 Black Loss JPN Ishitani Shin-ichi 2391.96
4 Black Loss JPN Sato Kiyotomi 2452.59
5 Black Loss JPN Tanno Yoshitaka 2119.65
12th Mikami Cup Tournament
Date 2009-01-18 Rating 2174.98
Round Color Result Opponent
A1 Black Win JPN Tamada Yoichi 2279.77
A2 White Win JPN Tomobe Katsuhiro 2110.12
A3 Black Win JPN Kobayashi Koichi 2116.27
A4 White Win JPN Tanizaki Ryusuke 2131.23
A5 Black Loss JPN Ono Takayuki 2411.31
7th 6-7 dan Tournament
Date 2008-09-28 Rating 2179.00
Round Color Result Opponent
1 Black Win JPN Kubo Izumi 2109.20
2 Black Loss JPN Ono Takayuki 2410.29
3 Black Loss JPN Kobayashi Koichi 2109.46
4 White Win JPN Kato Yasuhiro 1997.82
5 White Win JPN Tamura Kazumasa 2471.05
6 Black Loss JPN Maruyama Yasushi 2233.55
6dan 7dan Tournament
Date 2007-10-08 Rating 2180.92
Round Color Result Opponent
1 Black Draw JPN Nagao Noriaki 2249.10
2 White Win JPN Yamamoto Yasuhiro 2091.00
3 Black Win JPN Kato Yasuhiro 1969.79
4 Black Win JPN Ono Takayuki 2376.12
5 White Loss JPN Sato Kiyotomi 2401.81
6 Black Loss JPN Tamura Kazumasa 2408.54
5th 6-7 dan Tournament
Date 2004-12-05 Rating 2068.76
Round Color Result Opponent
1 Black Loss JPN Sato Kiyotomi 2368.56
2 Black Win JPN Yamamoto Yasuhiro 2046.49
3 Black Loss JPN Arita Nobuyoshi 2281.31
4 Black Win JPN Tadokoro Hosai 1926.98
5 Black Loss JPN Hiwatashi Kikuma 1949.49
6 White Loss JPN Miyagawa Junzo 2256.20