Kuga Akio, Japan - Renju Rating

JPN Kuga Akio (久家彰夫)

Place: Sasebo, Japan

Rating: 2435.44, Std: 94.71, Rank: 179

First game: 2000-04-09, Last game: 2026-01-25

Top rating: 2443.86 (2025-10-13)

Games: 206, Wins: 110, Draws: 28, Losses: 68

Gy1: 18, Gy2: 43, Gy5: 78

5th Masters Renju Tournament
Date 2026-01-25 Rating 2435.44
Round Color Result Opponent
1 Black Loss JPN Miyamoto Syunju 2339.44
2 Black Draw JPN Kawamura Norihiko 2529.12
3 White Draw JPN Iwano Fumio 2159.06
4 White Win JPN Ishitani Shin-ichi 2363.64
5 White Draw JPN Gakumazawa Hideaki 2153.43
Kyushu Renju Championship 2025
Date 2025-11-09 Rating 2442.03
Round Color Result Opponent
1 Black Win JPN Suzuki Yuta 1704.74
2 White Win JPN Kawaai Hitoshi 2044.17
3 Black Loss JPN Kawano Takahisa 2587.01
4 Black Win JPN Kawamoto Shoma 2340.84
63rd Meijinsen Tournament
Date 2025-10-13 Rating 2443.86
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2584.10
2 Black Loss JPN Tachi Masaya 2484.85
3 Black Draw JPN Okabe Hiroshi 2748.33
4 White Win JPN Mano Yoshihisa 2206.73
5 White Loss CHN Wang Qingqing 2697.69
6 White Loss JPN Makino Mitsunori 2662.74
7 Black Win JPN Takashima Junya 2437.34
8 White Win JPN Matsuda Shoma 2617.40
9 White Draw JPN Nakayama Tomoharu 2831.21
63 Meijinsen Qualification West Japan area 2nd round
Date 2025-05-18 Rating 2437.09
Round Color Result Opponent
1 White Draw JPN Kawano Takahisa 2569.50
2 Black Win JPN Matsuura Hiroshi 2247.70
3 Black Win JPN Fujii Naoki 2143.58
63rd Meijinsen West Japan 1st preliminary tournament
Date 2025-04-13 Rating 2433.19
Round Color Result Opponent
1 White Win JPN Kawano Takahisa 2565.92
2 Black Win JPN Suzuki Yuta 1722.04
4 Black Loss JPN Matsuura Hiroshi 2251.72
5 Black Win JPN Fujii Naoki 2141.99
4th Masters Renju Tournament
Date 2025-03-23 Rating 2430.59
Round Color Result Opponent
1 White Win JPN Takazawa Nagayoshi 2250.87
2 White Win JPN Mano Yoshihisa 2248.28
3 White Draw JPN Ishitani Shin-ichi 2391.16
4 White Draw JPN Iwano Fumio 2197.14
5 White Loss JPN Maruyama Yasushi 2215.04
Kyushu Championship 2024
Date 2024-11-17 Rating 2423.39
Round Color Result Opponent
1 Black Win JPN Kurakake Mataichi 1556.07
2 White Win JPN Yamane Tomohiro 2049.68
3 Black Draw JPN Kawano Takahisa 2558.28
4 Black Loss JPN Ishitani Shin-ichi 2406.77
62nd Meijinsen Tournament
Date 2024-10-14 Rating 2422.31
Round Color Result Opponent
1 Black Loss JPN Makino Mitsunori 2651.36
2 White Loss JPN Tachi Masaya 2574.69
3 Black Loss JPN Nakayama Tomoharu 2797.88
4 Black Draw JPN Ishitani Shin-ichi 2409.79
5 White Loss JPN Matsuda Shoma 2522.70
6 Black Draw JPN Kawano Takahisa 2555.88
7 White Win JPN Inoue Fumiya 2531.46
8 White Win JPN Yamane Tomohiro 2053.56
9 Black Loss JPN Okabe Hiroshi 2750.27
62nd Meijinsen Tournament Kyushu Area
Date 2024-04-14 Rating 2420.06
Round Color Result Opponent
1 Black Win JPN Fujii Naoki 2105.30
2 Black Win JPN Fujii Naoki 2105.30
2023 Kyushu Championship
Date 2023-11-12 Rating 2413.35
Round Color Result Opponent
1 Black Win JPN Takahashi Yutaka 1911.83
2 White Win JPN Nakagawa Toru 1975.34
3 White Draw JPN Kawano Takahisa 2558.11
4 White Loss JPN Kawamoto Shoma 2337.27
61st Meijin-sen Kyushu area 2nd round
Date 2023-05-21 Rating 2411.25
Round Color Result Opponent
1 Black Loss JPN Kawano Takahisa 2534.53
2 White Win JPN Kawano Takahisa 2534.53
3 Black Loss JPN Kawano Takahisa 2534.53
61st Meijinsen Tournament Kyushu 1st round
Date 2023-04-09 Rating 2410.69
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2527.44
2 Black Win JPN Fujii Naoki 2079.47
3 White Win JPN Jitsufuji Hitoki 2068.74
Kyushu Championship
Date 2022-11-20 Rating 2410.17
Round Color Result Opponent
1 Black Draw JPN Inoue Fumiya 2533.35
2 Black Draw JPN Yamane Tomohiro 2108.29
3 White Draw JPN Shimura Hiroki 2170.87
4 White Win JPN Kurakake Mataichi 1576.03
60th Meijinsen Tournament
Date 2022-09-19 Rating 2413.19
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2703.06
2 White Loss JPN Makino Mitsunori 2632.29
3 Black Loss JPN Nakayama Tomoharu 2812.46
4 Black Draw JPN Ono Takayuki 2426.10
5 White Draw JPN Nagasoe Hiroki 2659.73
6 Black Win JPN Ishitani Shin-ichi 2366.59
7 White Win JPN Kawamoto Shoma 2326.36
8 Black Loss JPN Miyamoto Syunju 2258.90
9 Black Draw JPN Hasegawa Kazuto 2612.75
60 Meijinsen Qualification Kyushu area 2nd round
Date 2022-05-22 Rating 2416.15
Round Color Result Opponent
2 Black Draw JPN Kawano Takahisa 2492.91
3 White Win JPN Fujii Naoki 2046.87
4 Black Win JPN Kawano Takahisa 2492.91
60 Meijinsen Qualification Kyushu area 1st round
Date 2022-04-10 Rating 2413.35
Round Color Result Opponent
1 Black Win JPN Kawano Takahisa 2495.12
3 White Loss JPN Fujii Naoki 2043.45
Kyushu Championship 2021
Date 2021-11-21 Rating 2408.32
Round Color Result Opponent
S1 Black Win JPN Fujii Naoki 2019.22
S2 Black Win JPN Tanaka Toshiki 2417.05
S3 White Loss JPN Kawano Takahisa 2510.99
59 Meijinsen Qualification Kyushu area 2nd round
Date 2021-07-11 Rating 2399.81
Round Color Result Opponent
1 Black Loss JPN Kawano Takahisa 2514.54
2 White Loss JPN Kawano Takahisa 2514.54
59 Meijinsen Qualification Kyushu area 1st round
Date 2021-04-18 Rating 2400.80
Round Color Result Opponent
1 Black Win JPN Yamaoka Kentaro 2268.86
2 Black Win JPN Kataoka Mitsuaki 2184.69
3 Black Loss JPN Kawano Takahisa 2510.77
4 Black Win JPN Fujii Naoki 1987.54
Kyushu Championship
Date 2020-11-22 Rating 2397.95
Round Color Result Opponent
2 Black Win JPN Kurakake Mataichi 1592.87
3 White Loss JPN Kawamoto Shoma 2368.57
4 White Win JPN Kawaai Hitoshi 2017.27
5 White Win JPN Yamane Tomohiro 2062.39
58 Meijinsen Qualification Kyushu area
Date 2020-07-05 Rating 2399.98
Round Color Result Opponent
1 White Loss JPN Tanaka Toshiki 2481.87
3 White Loss JPN Kawano Takahisa 2486.58
4 White Win JPN Kurakake Mataichi 1596.51
5 Black Win JPN Fujii Naoki 1955.11
Kyushu Championship
Date 2019-11-17 Rating 2420.80
Round Color Result Opponent
1 White Win JPN Kawano Takahisa 2464.15
2 White Win JPN Inazumi Masanori 1760.63
3 White Win JPN Kurakake Mataichi 1580.31
57 Meijinsen Qualification Kyushu area 2nd round
Date 2019-06-23 Rating 2424.39
Round Color Result Opponent
1 Black Win JPN Kawano Takahisa 2461.17
2 Black Loss JPN Kawano Takahisa 2461.17
3 Black Draw JPN Kawano Takahisa 2461.17
57 Meijinsen Qualification Kyushu area 1st round
Date 2019-04-21 Rating 2424.82
Round Color Result Opponent
1 Black Loss JPN Kawano Takahisa 2460.18
2 Black Win JPN Fujii Naoki 1956.72
3 Black Win JPN Inazumi Masanori 1755.77
Kyushu Championship
Date 2018-11-18 Rating 2432.12
Round Color Result Opponent
1 White Win JPN Sato Takuya 2134.29
2 Black Win JPN Kurakake Mataichi 1569.55
3 White Win JPN Inazumi Masanori 1755.01
4 Black Win JPN Fujii Naoki 1955.16
6 White Win JPN Kawano Takahisa 2448.89
56 Meijinsen Tournament
Date 2018-09-17 Rating 2429.79
Round Color Result Opponent
1 White Loss JPN Koyama Jun 2576.68
2 White Loss JPN Okabe Hiroshi 2704.89
4 White Win JPN Ishitani Shin-ichi 2431.64
5 White Loss JPN Nakamura Shigeru 3003.26
6 White Loss JPN Kamiya Shunsuke 2802.96
7 Black Loss JPN Hasegawa Kazuto 2581.38
8 Black Loss JPN Kawamura Norihiko 2662.07
9 Black Win JPN Matsuura Hiroshi 2356.60
56 Meijinsen Qualification Kyushu area
Date 2018-06-17 Rating 2428.54
Round Color Result Opponent
1 Black Win JPN Kawano Takahisa 2442.81
2 White Win JPN Fujii Naoki 1954.29
3 Black Win JPN Inazumi Masanori 1772.73
Kyushu Championship
Date 2017-11-12 Rating 2411.01
Round Color Result Opponent
1 Black Win JPN Fujii Naoki 1973.75
2 White Win JPN Kurakake Mataichi 1545.69
3 Black Loss JPN Kawano Takahisa 2444.92
5 Black Win JPN Inazumi Masanori 1779.68
55 Meijinsen Qualification Kyushu area 2nd round
Date 2017-06-18 Rating 2404.76
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2429.52
3 Black Win JPN Kataoka Mitsuaki 2240.14
55 Meijinsen Qualification Kyushu area 1st round
Date 2017-04-17 Rating 2403.40
Round Color Result Opponent
1 White Win JPN Kataoka Mitsuaki 2246.25
2 White Win JPN Kawano Takahisa 2416.07
3 White Win JPN Yamaoka Kentaro 2176.81
4 Black Win JPN Fujii Naoki 1988.12
Kyushu Championship
Date 2016-11-20 Rating 2382.00
Round Color Result Opponent
1 Black Draw JPN Kataoka Mitsuaki 2244.00
2 Black Win JPN Yamaoka Kentaro 2176.70
3 Black Win JPN Kurakake Mataichi 1541.28
4 Black Win JPN Fujii Naoki 2008.15
54 Meijinsen Tournament
Date 2016-09-19 Rating 2371.95
Round Color Result Opponent
1 White Draw JPN Tanaka Toshiki 2448.24
2 Black Loss JPN Nakayama Tomoharu 2781.65
3 White Loss JPN Kamiya Shunsuke 2764.13
4 White Win JPN Okabe Hiroshi 2721.98
5 White Win JPN Maruyama Yasushi 2294.53
6 White Loss JPN Matsuura Hiroshi 2364.87
7 White Loss JPN Iio Yoshihiro 2565.00
8 White Loss JPN Koyama Jun 2622.70
9 White Loss JPN Hasegawa Kazuto 2643.35
54 Meijinsen Qualification Kyushu area 2nd round
Date 2016-06-19 Rating 2356.24
Round Color Result Opponent
1 Black Win JPN Kataoka Mitsuaki 2244.82
2 Black Loss JPN Kawano Takahisa 2382.93
3 Black Win JPN Fujii Naoki 2037.89
54 Meijinsen Qualification Kyushu area 1st round
Date 2016-04-17 Rating 2345.34
Round Color Result Opponent
1 White Win JPN Fujii Naoki 2043.00
2 White Win JPN Kataoka Mitsuaki 2244.62
3 White Loss JPN Kawano Takahisa 2383.76
4 Black Win JPN Hiwatashi Kikuma 1779.33
Kyushu Championship
Date 2015-11-15 Rating 2316.97
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2387.37
2 Black Win JPN Kurakake Mataichi 1541.39
3 Black Win JPN Fujii Naoki 2044.04
4 White Loss JPN Tanaka Toshiki 2458.73
5 Black Loss JPN Kataoka Mitsuaki 2250.38
53 Meijinsen Qualification Kyushu area 1st round
Date 2015-04-19 Rating 2304.36
Round Color Result Opponent
1 Black Win JPN Fujii Naoki 2035.18
2 Black Win JPN Fujii Naoki 2035.18
3 Black Win JPN Fujii Naoki 2035.18
Kyushu Championship
Date 2014-11-16 Rating 2286.12
Round Color Result Opponent
1 Black Loss JPN Fujii Naoki 2037.68
2 Black Win JPN Kurakake Mataichi 1545.27
3 White Loss JPN Kawano Takahisa 2394.10
49 Meijinsen Qualification Kyushu area 2nd round
Date 2011-06-12 Rating 2296.78
Round Color Result Opponent
1 White Loss JPN Sato Kiyotomi 2396.90
2 White Win JPN Sakashita Shoichi 2153.01
3 White Loss JPN Kawano Takahisa 2356.81
49 Meijinsen Qualification Kyushu area 1st round
Date 2011-04-17 Rating 2300.19
Round Color Result Opponent
1 White Win JPN Tanaka Shingo 2151.11
2 Black Win JPN Hiwatashi Kikuma 1804.94
3 White Loss JPN Kawano Takahisa 2356.36
5 Black Win JPN Sakashita Shoichi 2147.92
48 Meijinsen Qualification Kyushu area 1st round
Date 2010-04-17 Rating 2313.17
Round Color Result Opponent
White Win JPN Kawano Takahisa 2308.76
White Win JPN Fujii Naoki 2077.51
4th Kyushu Championship
Date 2009-10-17 Rating 2305.53
Round Color Result Opponent
1 White Draw JPN Fujii Naoki 2098.93
2 White Loss JPN Tanaka Koichi 2389.38
3 White Win JPN Hiwatashi Kikuma 1815.90
47th Meijinsen Qualification Kyushu area 1st round
Date 2009-04-18 Rating 2309.85
Round Color Result Opponent
1 White Win JPN Kawano Takahisa 2261.11
2 Black Win JPN Sakashita Shoichi 2088.15
3 White Loss JPN Kataoka Mitsuaki 2258.97
2nd Fujinami Cup Tournament
Date 2007-02-25 Rating 2321.84
Round Color Result Opponent
A Black Draw JPN Fujii Naoki 2129.25
A Black Win JPN Tanaka Koichi 2354.76
A White Win JPN Tanaka Koichi 2354.76
A White Draw JPN Fujii Naoki 2129.25
Kyushu Championship
Date 2006-11-12 Rating 2316.56
Round Color Result Opponent
A White Loss JPN Nishimura Toshio 2349.77
A White Loss JPN Yamaguchi Yusui 2643.30
A Black Loss JPN Tanaka Koichi 2357.06
A Black Win JPN Hiwatashi Kikuma 1908.20
42nd Meijinsen Qualification: Kyushu 2nd round
Date 2004-05-22 Rating 2365.46
Round Color Result Opponent
White Win JPN Sakashita Shoichi 2204.09
Black Loss JPN Nishimura Toshio 2361.82
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2385.15
Round Color Result Opponent
1 Black Win JPN Kudomi Takahiro 2342.12
2 White Draw JPN Isobe Taizan 2418.57
3 White Loss JPN Hasegawa Kazuto 2627.68
4 Black Win JPN Iio Yoshihiro 2498.82
5 Black Loss JPN Matsuura Hiroshi 2410.38
6 Black Win JPN Miyagawa Junzo 2262.71
7 Black Win JPN Takashima Junya 2343.17
8 White Loss JPN Okabe Hiroshi 2552.66
9 White Draw JPN Ishitani Shin-ichi 2385.01
41st Meijinsen Qualification: Kyushu 2nd round
Date 2003-05-25 Rating 2381.78
Round Color Result Opponent
White Win JPN Fujinami Hisao 2309.88
Black Win JPN Tanaka Tadanobu 2103.32
Black Win JPN Sakashita Shoichi 2182.28
41st Meijinsen Qualification: Kyushu - 1st round Group B
Date 2003-04-20 Rating 2377.61
Round Color Result Opponent
White Win JPN Sakashita Shoichi 2184.79
Black Win JPN Tanaka Koichi 2210.22
Black Win JPN Sagara Satoshi 1501.01
Black Win JPN Kawano Masatoshi 1776.57
Black Win JPN Nishida Yasuji 1934.17
40th Meijinsen Qualification: Kyushu 2nd round
Date 2002-06-02 Rating 2316.54
Round Color Result Opponent
White Draw JPN Nishimura Toshio 2365.25
White Loss JPN Sakashita Shoichi 2204.73
White Loss JPN Fujinami Hisao 2282.84
Meijinsen Qualification: Kyushu 1st Group B
Date 2000-04-09 Rating 2266.63
Round Color Result Opponent
Black Loss JPN Nishimura Toshio 2357.04
Black Win JPN Nishida Yasuji 1957.30
Black Win JPN Sakai Kazuyuki 1801.25
Black Win JPN Sagara Satoshi 1553.13
Black Win JPN Sakashita Shoichi 2165.97