Kuga Akio (久家彰夫)

Place: Sasebo, Japan

Rating: 2407.51, Std: 98.25, Rank: 197

First game: 2000-04-09, Last game: 2026-07-05

Top rating: 2432.77 (2018-11-18)

Games: 209, Wins: 111, Draws: 28, Losses: 70

Gy1: 21, Gy2: 46, Gy5: 79

Kyushu Renju Meijin Tournament
Date	2026-07-05		Rating	2407.51
Round	Color	Result	Opponent
4	Black	Win	Kurakake Mataichi	1555.78
5	White	Loss	Tachi Masaya	2554.04
6	White	Loss	Kawano Takahisa	2572.69
5th Masters Renju Tournament
Date	2026-01-25		Rating	2417.74
Round	Color	Result	Opponent
1	Black	Loss	Miyamoto Syunju	2337.94
2	Black	Draw	Kawamura Norihiko	2560.07
3	White	Draw	Iwano Fumio	2161.29
4	White	Win	Ishitani Shin-ichi	2357.75
5	White	Draw	Gakumazawa Hideaki	2168.77
Kyushu Renju Championship 2025
Date	2025-11-09		Rating	2427.99
Round	Color	Result	Opponent
1	Black	Win	Suzuki Yuta	1698.08
2	White	Win	Kawaai Hitoshi	2063.53
3	Black	Loss	Kawano Takahisa	2573.12
4	Black	Win	Kawamoto Shoma	2324.43
63rd Meijinsen Tournament
Date	2025-10-13		Rating	2431.05
Round	Color	Result	Opponent
1	White	Loss	Kawano Takahisa	2571.37
2	Black	Loss	Tachi Masaya	2523.79
3	Black	Draw	Okabe Hiroshi	2734.48
4	White	Win	Mano Yoshihisa	2208.86
5	White	Loss	Wang Qingqing	2700.18
6	White	Loss	Makino Mitsunori	2672.99
7	Black	Win	Takashima Junya	2450.81
8	White	Win	Matsuda Shoma	2619.31
9	White	Draw	Nakayama Tomoharu	2833.46
63 Meijinsen Qualification West Japan area 2nd round
Date	2025-05-18		Rating	2428.06
Round	Color	Result	Opponent
1	White	Draw	Kawano Takahisa	2559.96
2	Black	Win	Matsuura Hiroshi	2244.85
3	Black	Win	Fujii Naoki	2140.61
63rd Meijinsen West Japan 1st preliminary tournament
Date	2025-04-13		Rating	2425.02
Round	Color	Result	Opponent
1	White	Win	Kawano Takahisa	2557.10
2	Black	Win	Suzuki Yuta	1715.88
4	Black	Loss	Matsuura Hiroshi	2248.91
5	Black	Win	Fujii Naoki	2139.05
4th Masters Renju Tournament
Date	2025-03-23		Rating	2422.90
Round	Color	Result	Opponent
1	White	Win	Takazawa Nagayoshi	2247.88
2	White	Win	Mano Yoshihisa	2250.37
3	White	Draw	Ishitani Shin-ichi	2392.25
4	White	Draw	Iwano Fumio	2199.37
5	White	Loss	Maruyama Yasushi	2233.73
Kyushu Championship 2024
Date	2024-11-17		Rating	2417.72
Round	Color	Result	Opponent
1	Black	Win	Kurakake Mataichi	1544.50
2	White	Win	Yamane Tomohiro	2049.35
3	Black	Draw	Kawano Takahisa	2552.38
4	Black	Loss	Ishitani Shin-ichi	2408.86
62nd Meijinsen Tournament
Date	2024-10-14		Rating	2417.13
Round	Color	Result	Opponent
1	Black	Loss	Makino Mitsunori	2658.48
2	White	Loss	Tachi Masaya	2588.27
3	Black	Loss	Nakayama Tomoharu	2800.09
4	Black	Draw	Ishitani Shin-ichi	2411.99
5	White	Loss	Matsuda Shoma	2525.22
6	Black	Draw	Kawano Takahisa	2550.60
7	White	Win	Inoue Fumiya	2533.96
8	White	Win	Yamane Tomohiro	2053.27
9	Black	Loss	Okabe Hiroshi	2748.46
62nd Meijinsen Tournament Kyushu Area
Date	2024-04-14		Rating	2416.05
Round	Color	Result	Opponent
1	Black	Win	Fujii Naoki	2102.96
2	Black	Win	Fujii Naoki	2102.96
2023 Kyushu Championship
Date	2023-11-12		Rating	2410.29
Round	Color	Result	Opponent
1	Black	Win	Takahashi Yutaka	1912.78
2	White	Win	Nakagawa Toru	1979.41
3	White	Draw	Kawano Takahisa	2555.82
4	White	Loss	Kawamoto Shoma	2332.71
61st Meijin-sen Kyushu area 2nd round
Date	2023-05-21		Rating	2409.19
Round	Color	Result	Opponent
1	Black	Loss	Kawano Takahisa	2532.93
2	White	Win	Kawano Takahisa	2532.93
3	Black	Loss	Kawano Takahisa	2532.93
61st Meijinsen Tournament Kyushu 1st round
Date	2023-04-09		Rating	2408.87
Round	Color	Result	Opponent
1	White	Loss	Kawano Takahisa	2525.92
2	Black	Win	Fujii Naoki	2077.86
3	White	Win	Jitsufuji Hitoki	2068.81
Kyushu Championship
Date	2022-11-20		Rating	2409.12
Round	Color	Result	Opponent
1	Black	Draw	Inoue Fumiya	2535.57
2	Black	Draw	Yamane Tomohiro	2108.73
3	White	Draw	Shimura Hiroki	2173.83
4	White	Win	Kurakake Mataichi	1571.13
60th Meijinsen Tournament
Date	2022-09-19		Rating	2412.41
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2704.94
2	White	Loss	Makino Mitsunori	2635.60
3	Black	Loss	Nakayama Tomoharu	2814.26
4	Black	Draw	Ono Takayuki	2428.55
5	White	Draw	Nagasoe Hiroki	2661.88
6	Black	Win	Ishitani Shin-ichi	2369.57
7	White	Win	Kawamoto Shoma	2325.17
8	Black	Loss	Miyamoto Syunju	2262.10
9	Black	Draw	Hasegawa Kazuto	2616.63
60 Meijinsen Qualification Kyushu area 2nd round
Date	2022-05-22		Rating	2415.52
Round	Color	Result	Opponent
2	Black	Draw	Kawano Takahisa	2492.03
3	White	Win	Fujii Naoki	2045.80
4	Black	Win	Kawano Takahisa	2492.03
60 Meijinsen Qualification Kyushu area 1st round
Date	2022-04-10		Rating	2412.77
Round	Color	Result	Opponent
1	Black	Win	Kawano Takahisa	2494.32
3	White	Loss	Fujii Naoki	2042.44
Kyushu Championship 2021
Date	2021-11-21		Rating	2407.94
Round	Color	Result	Opponent
S1	Black	Win	Fujii Naoki	2018.44
S2	Black	Win	Tanaka Toshiki	2418.05
S3	White	Loss	Kawano Takahisa	2510.43
59 Meijinsen Qualification Kyushu area 2nd round
Date	2021-07-11		Rating	2399.59
Round	Color	Result	Opponent
1	Black	Loss	Kawano Takahisa	2514.18
2	White	Loss	Kawano Takahisa	2514.18
59 Meijinsen Qualification Kyushu area 1st round
Date	2021-04-18		Rating	2400.69
Round	Color	Result	Opponent
1	Black	Win	Yamaoka Kentaro	2269.27
2	Black	Win	Kataoka Mitsuaki	2185.17
3	Black	Loss	Kawano Takahisa	2510.52
4	Black	Win	Fujii Naoki	1987.08
Kyushu Championship
Date	2020-11-22		Rating	2398.00
Round	Color	Result	Opponent
2	Black	Win	Kurakake Mataichi	1590.99
3	White	Loss	Kawamoto Shoma	2368.65
4	White	Win	Kawaai Hitoshi	2019.36
5	White	Win	Yamane Tomohiro	2063.13
58 Meijinsen Qualification Kyushu area
Date	2020-07-05		Rating	2400.17
Round	Color	Result	Opponent
1	White	Loss	Tanaka Toshiki	2483.04
3	White	Loss	Kawano Takahisa	2486.76
4	White	Win	Kurakake Mataichi	1595.06
5	Black	Win	Fujii Naoki	1955.04
Kyushu Championship
Date	2019-11-17		Rating	2421.20
Round	Color	Result	Opponent
1	White	Win	Kawano Takahisa	2464.74
2	White	Win	Inazumi Masanori	1766.61
3	White	Win	Kurakake Mataichi	1579.53
57 Meijinsen Qualification Kyushu area 2nd round
Date	2019-06-23		Rating	2424.90
Round	Color	Result	Opponent
1	Black	Win	Kawano Takahisa	2461.83
2	Black	Loss	Kawano Takahisa	2461.83
3	Black	Draw	Kawano Takahisa	2461.83
57 Meijinsen Qualification Kyushu area 1st round
Date	2019-04-21		Rating	2425.37
Round	Color	Result	Opponent
1	Black	Loss	Kawano Takahisa	2460.86
2	Black	Win	Fujii Naoki	1957.27
3	Black	Win	Inazumi Masanori	1760.63
Kyushu Championship
Date	2018-11-18		Rating	2432.77
Round	Color	Result	Opponent
1	White	Win	Sato Takuya	2135.22
2	Black	Win	Kurakake Mataichi	1569.47
3	White	Win	Inazumi Masanori	1759.23
4	Black	Win	Fujii Naoki	1955.86
6	White	Win	Kawano Takahisa	2449.60
56 Meijinsen Tournament
Date	2018-09-17		Rating	2430.48
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2577.52
2	White	Loss	Okabe Hiroshi	2705.82
4	White	Win	Ishitani Shin-ichi	2433.06
5	White	Loss	Nakamura Shigeru	3004.17
6	White	Loss	Kamiya Shunsuke	2803.84
7	Black	Loss	Hasegawa Kazuto	2582.71
8	Black	Loss	Kawamura Norihiko	2663.76
9	Black	Win	Matsuura Hiroshi	2357.49
56 Meijinsen Qualification Kyushu area
Date	2018-06-17		Rating	2429.23
Round	Color	Result	Opponent
1	Black	Win	Kawano Takahisa	2443.54
2	White	Win	Fujii Naoki	1955.07
3	Black	Win	Inazumi Masanori	1776.54
Kyushu Championship
Date	2017-11-12		Rating	2411.73
Round	Color	Result	Opponent
1	Black	Win	Fujii Naoki	1974.56
2	White	Win	Kurakake Mataichi	1545.89
3	Black	Loss	Kawano Takahisa	2445.68
5	Black	Win	Inazumi Masanori	1783.07
55 Meijinsen Qualification Kyushu area 2nd round
Date	2017-06-18		Rating	2405.48
Round	Color	Result	Opponent
1	White	Loss	Kawano Takahisa	2430.27
3	Black	Win	Kataoka Mitsuaki	2240.79
55 Meijinsen Qualification Kyushu area 1st round
Date	2017-04-17		Rating	2404.13
Round	Color	Result	Opponent
1	White	Win	Kataoka Mitsuaki	2246.90
2	White	Win	Kawano Takahisa	2416.81
3	White	Win	Yamaoka Kentaro	2177.37
4	Black	Win	Fujii Naoki	1988.90
Kyushu Championship
Date	2016-11-20		Rating	2382.74
Round	Color	Result	Opponent
1	Black	Draw	Kataoka Mitsuaki	2244.66
2	Black	Win	Yamaoka Kentaro	2177.27
3	Black	Win	Kurakake Mataichi	1541.53
4	Black	Win	Fujii Naoki	2008.92
54 Meijinsen Tournament
Date	2016-09-19		Rating	2372.69
Round	Color	Result	Opponent
1	White	Draw	Tanaka Toshiki	2449.14
2	Black	Loss	Nakayama Tomoharu	2782.22
3	White	Loss	Kamiya Shunsuke	2764.82
4	White	Win	Okabe Hiroshi	2722.66
5	White	Win	Maruyama Yasushi	2295.51
6	White	Loss	Matsuura Hiroshi	2365.60
7	White	Loss	Iio Yoshihiro	2565.77
8	White	Loss	Koyama Jun	2623.37
9	White	Loss	Hasegawa Kazuto	2644.16
54 Meijinsen Qualification Kyushu area 2nd round
Date	2016-06-19		Rating	2356.99
Round	Color	Result	Opponent
1	Black	Win	Kataoka Mitsuaki	2245.50
2	Black	Loss	Kawano Takahisa	2383.64
3	Black	Win	Fujii Naoki	2038.65
54 Meijinsen Qualification Kyushu area 1st round
Date	2016-04-17		Rating	2346.09
Round	Color	Result	Opponent
1	White	Win	Fujii Naoki	2043.76
2	White	Win	Kataoka Mitsuaki	2245.30
3	White	Loss	Kawano Takahisa	2384.46
4	Black	Win	Hiwatashi Kikuma	1780.16
Kyushu Championship
Date	2015-11-15		Rating	2317.73
Round	Color	Result	Opponent
1	White	Loss	Kawano Takahisa	2388.05
2	Black	Win	Kurakake Mataichi	1541.67
3	Black	Win	Fujii Naoki	2044.80
4	White	Loss	Tanaka Toshiki	2459.57
5	Black	Loss	Kataoka Mitsuaki	2251.07
53 Meijinsen Qualification Kyushu area 1st round
Date	2015-04-19		Rating	2305.14
Round	Color	Result	Opponent
1	Black	Win	Fujii Naoki	2035.94
2	Black	Win	Fujii Naoki	2035.94
3	Black	Win	Fujii Naoki	2035.94
Kyushu Championship
Date	2014-11-16		Rating	2286.91
Round	Color	Result	Opponent
1	Black	Loss	Fujii Naoki	2038.43
2	Black	Win	Kurakake Mataichi	1545.58
3	White	Loss	Kawano Takahisa	2394.72
49 Meijinsen Qualification Kyushu area 2nd round
Date	2011-06-12		Rating	2297.73
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2397.37
2	White	Win	Sakashita Shoichi	2153.83
3	White	Loss	Kawano Takahisa	2357.31
49 Meijinsen Qualification Kyushu area 1st round
Date	2011-04-17		Rating	2301.15
Round	Color	Result	Opponent
1	White	Win	Tanaka Shingo	2151.63
2	Black	Win	Hiwatashi Kikuma	1805.94
3	White	Loss	Kawano Takahisa	2356.86
5	Black	Win	Sakashita Shoichi	2148.77
48 Meijinsen Qualification Kyushu area 1st round
Date	2010-04-17		Rating	2314.29
Round	Color	Result	Opponent
	White	Win	Kawano Takahisa	2309.31
	White	Win	Fujii Naoki	2078.54
4th Kyushu Championship
Date	2009-10-17		Rating	2306.74
Round	Color	Result	Opponent
1	White	Draw	Fujii Naoki	2100.07
2	White	Loss	Tanaka Koichi	2391.07
3	White	Win	Hiwatashi Kikuma	1817.06
47th Meijinsen Qualification Kyushu area 1st round
Date	2009-04-18		Rating	2311.15
Round	Color	Result	Opponent
1	White	Win	Kawano Takahisa	2261.72
2	Black	Win	Sakashita Shoichi	2089.45
3	White	Loss	Kataoka Mitsuaki	2259.73
2nd Fujinami Cup Tournament
Date	2007-02-25		Rating	2323.67
Round	Color	Result	Opponent
A	Black	Draw	Fujii Naoki	2131.00
A	Black	Win	Tanaka Koichi	2356.57
A	White	Win	Tanaka Koichi	2356.57
A	White	Draw	Fujii Naoki	2131.00
Kyushu Championship
Date	2006-11-12		Rating	2318.46
Round	Color	Result	Opponent
A	White	Loss	Nishimura Toshio	2352.08
A	White	Loss	Yamaguchi Yusui	2643.58
A	Black	Loss	Tanaka Koichi	2358.89
A	Black	Win	Hiwatashi Kikuma	1909.65
42nd Meijinsen Qualification: Kyushu 2nd round
Date	2004-05-22		Rating	2368.04
Round	Color	Result	Opponent
	White	Win	Sakashita Shoichi	2207.53
	Black	Loss	Nishimura Toshio	2364.45
41st Meijin-sen Tournament
Date	2003-09-15		Rating	2387.90
Round	Color	Result	Opponent
1	Black	Win	Kudomi Takahiro	2342.57
2	White	Draw	Isobe Taizan	2419.00
3	White	Loss	Hasegawa Kazuto	2628.21
4	Black	Win	Iio Yoshihiro	2499.17
5	Black	Loss	Matsuura Hiroshi	2411.12
6	Black	Win	Miyagawa Junzo	2263.02
7	Black	Win	Takashima Junya	2343.43
8	White	Loss	Okabe Hiroshi	2552.93
9	White	Draw	Ishitani Shin-ichi	2385.65
41st Meijinsen Qualification: Kyushu 2nd round
Date	2003-05-25		Rating	2384.95
Round	Color	Result	Opponent
	White	Win	Fujinami Hisao	2322.19
	Black	Win	Tanaka Tadanobu	2108.08
	Black	Win	Sakashita Shoichi	2186.75
41st Meijinsen Qualification: Kyushu - 1st round Group B
Date	2003-04-20		Rating	2380.84
Round	Color	Result	Opponent
	White	Win	Sakashita Shoichi	2189.32
	Black	Win	Tanaka Koichi	2212.92
	Black	Win	Sagara Satoshi	1503.16
	Black	Win	Kawano Masatoshi	1778.62
	Black	Win	Nishida Yasuji	1937.85
40th Meijinsen Qualification: Kyushu 2nd round
Date	2002-06-02		Rating	2320.38
Round	Color	Result	Opponent
	White	Draw	Nishimura Toshio	2368.26
	White	Loss	Sakashita Shoichi	2210.05
	White	Loss	Fujinami Hisao	2298.37
Meijinsen Qualification: Kyushu 1st Group B
Date	2000-04-09		Rating	2270.43
Round	Color	Result	Opponent
	Black	Loss	Nishimura Toshio	2361.69
	Black	Win	Nishida Yasuji	1960.59
	Black	Win	Sakai Kazuyuki	1804.14
	Black	Win	Sagara Satoshi	1555.24
	Black	Win	Sakashita Shoichi	2172.28