Kuga Akio, Japan - Renju Rating

JPN Kuga Akio (久家彰夫)

Place: Sasebo, Japan

Rating: 2432.74, Std: 79.78, Rank: 181

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

Top rating: 2441.73 (2025-10-13)

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

Gy1: 30, Gy2: 45, Gy5: 82

5th Masters Renju Tournament
Date 2026-01-25 Rating 2432.74
Round Color Result Opponent
1 Black Loss JPN Miyamoto Syunju 2302.62
2 Black Draw JPN Kawamura Norihiko 2510.02
3 White Draw JPN Iwano Fumio 2155.80
4 White Win JPN Ishitani Shin-ichi 2386.44
5 White Draw JPN Gakumazawa Hideaki 2126.36
Kyushu Renju Championship 2025
Date 2025-11-09 Rating 2439.76
Round Color Result Opponent
1 Black Win JPN Suzuki Yuta 1780.51
2 White Win JPN Kawaai Hitoshi 2048.27
3 Black Loss JPN Kawano Takahisa 2572.41
4 Black Win JPN Kawamoto Shoma 2344.37
63rd Meijinsen Tournament
Date 2025-10-13 Rating 2441.73
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2570.60
2 Black Loss JPN Tachi Masaya 2503.49
3 Black Draw JPN Okabe Hiroshi 2741.03
4 White Win JPN Mano Yoshihisa 2231.31
5 White Loss CHN Wang Qingqing 2721.66
6 White Loss JPN Makino Mitsunori 2643.80
7 Black Win JPN Takashima Junya 2401.96
8 White Win JPN Matsuda Shoma 2658.77
9 White Draw JPN Nakayama Tomoharu 2805.40
63 Meijinsen Qualification West Japan area 2nd round
Date 2025-05-18 Rating 2435.25
Round Color Result Opponent
1 White Draw JPN Kawano Takahisa 2559.37
2 Black Win JPN Matsuura Hiroshi 2247.60
3 Black Win JPN Fujii Naoki 2144.41
63rd Meijinsen West Japan 1st preliminary tournament
Date 2025-04-13 Rating 2431.45
Round Color Result Opponent
1 White Win JPN Kawano Takahisa 2556.50
2 Black Win JPN Suzuki Yuta 1783.90
4 Black Loss JPN Matsuura Hiroshi 2251.64
5 Black Win JPN Fujii Naoki 2142.85
4th Masters Renju Tournament
Date 2025-03-23 Rating 2428.90
Round Color Result Opponent
1 White Win JPN Takazawa Nagayoshi 2256.70
2 White Win JPN Mano Yoshihisa 2263.58
3 White Draw JPN Ishitani Shin-ichi 2396.81
4 White Draw JPN Iwano Fumio 2194.67
5 White Loss JPN Maruyama Yasushi 2184.16
Kyushu Championship 2024
Date 2024-11-17 Rating 2421.90
Round Color Result Opponent
1 Black Win JPN Kurakake Mataichi 1535.27
2 White Win JPN Yamane Tomohiro 2051.09
3 Black Draw JPN Kawano Takahisa 2551.44
4 Black Loss JPN Ishitani Shin-ichi 2409.65
62nd Meijinsen Tournament
Date 2024-10-14 Rating 2420.87
Round Color Result Opponent
1 Black Loss JPN Makino Mitsunori 2643.89
2 White Loss JPN Tachi Masaya 2583.98
3 Black Loss JPN Nakayama Tomoharu 2789.04
4 Black Draw JPN Ishitani Shin-ichi 2412.01
5 White Loss JPN Matsuda Shoma 2532.86
6 Black Draw JPN Kawano Takahisa 2549.54
7 White Win JPN Inoue Fumiya 2525.69
8 White Win JPN Yamane Tomohiro 2054.84
9 Black Loss JPN Okabe Hiroshi 2749.01
62nd Meijinsen Tournament Kyushu Area
Date 2024-04-14 Rating 2418.61
Round Color Result Opponent
1 Black Win JPN Fujii Naoki 2105.55
2 Black Win JPN Fujii Naoki 2105.55
2023 Kyushu Championship
Date 2023-11-12 Rating 2411.86
Round Color Result Opponent
1 Black Win JPN Takahashi Yutaka 1909.74
2 White Win JPN Nakagawa Toru 1972.93
3 White Draw JPN Kawano Takahisa 2554.25
4 White Loss JPN Kawamoto Shoma 2338.06
61st Meijin-sen Kyushu area 2nd round
Date 2023-05-21 Rating 2409.72
Round Color Result Opponent
1 Black Loss JPN Kawano Takahisa 2531.43
2 White Win JPN Kawano Takahisa 2531.43
3 Black Loss JPN Kawano Takahisa 2531.43
61st Meijinsen Tournament Kyushu 1st round
Date 2023-04-09 Rating 2409.18
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2524.46
2 Black Win JPN Fujii Naoki 2079.21
3 White Win JPN Jitsufuji Hitoki 2067.18
Kyushu Championship
Date 2022-11-20 Rating 2408.74
Round Color Result Opponent
1 Black Draw JPN Inoue Fumiya 2532.46
2 Black Draw JPN Yamane Tomohiro 2107.92
3 White Draw JPN Shimura Hiroki 2169.03
4 White Win JPN Kurakake Mataichi 1567.99
60th Meijinsen Tournament
Date 2022-09-19 Rating 2411.78
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2704.58
2 White Loss JPN Makino Mitsunori 2630.92
3 Black Loss JPN Nakayama Tomoharu 2810.02
4 Black Draw JPN Ono Takayuki 2426.15
5 White Draw JPN Nagasoe Hiroki 2659.40
6 Black Win JPN Ishitani Shin-ichi 2365.64
7 White Win JPN Kawamoto Shoma 2325.78
8 Black Loss JPN Miyamoto Syunju 2256.76
9 Black Draw JPN Hasegawa Kazuto 2610.64
60 Meijinsen Qualification Kyushu area 2nd round
Date 2022-05-22 Rating 2414.74
Round Color Result Opponent
2 Black Draw JPN Kawano Takahisa 2490.66
3 White Win JPN Fujii Naoki 2046.30
4 Black Win JPN Kawano Takahisa 2490.66
60 Meijinsen Qualification Kyushu area 1st round
Date 2022-04-10 Rating 2411.94
Round Color Result Opponent
1 Black Win JPN Kawano Takahisa 2492.94
3 White Loss JPN Fujii Naoki 2042.84
Kyushu Championship 2021
Date 2021-11-21 Rating 2406.94
Round Color Result Opponent
S1 Black Win JPN Fujii Naoki 2018.51
S2 Black Win JPN Tanaka Toshiki 2416.14
S3 White Loss JPN Kawano Takahisa 2509.03
59 Meijinsen Qualification Kyushu area 2nd round
Date 2021-07-11 Rating 2398.46
Round Color Result Opponent
1 Black Loss JPN Kawano Takahisa 2512.74
2 White Loss JPN Kawano Takahisa 2512.74
59 Meijinsen Qualification Kyushu area 1st round
Date 2021-04-18 Rating 2399.47
Round Color Result Opponent
1 Black Win JPN Yamaoka Kentaro 2267.68
2 Black Win JPN Kataoka Mitsuaki 2183.56
3 Black Loss JPN Kawano Takahisa 2509.05
4 Black Win JPN Fujii Naoki 1986.68
Kyushu Championship
Date 2020-11-22 Rating 2396.66
Round Color Result Opponent
2 Black Win JPN Kurakake Mataichi 1587.88
3 White Loss JPN Kawamoto Shoma 2367.37
4 White Win JPN Kawaai Hitoshi 2016.95
5 White Win JPN Yamane Tomohiro 2061.66
58 Meijinsen Qualification Kyushu area
Date 2020-07-05 Rating 2398.72
Round Color Result Opponent
1 White Loss JPN Tanaka Toshiki 2481.03
3 White Loss JPN Kawano Takahisa 2485.13
4 White Win JPN Kurakake Mataichi 1591.87
5 Black Win JPN Fujii Naoki 1954.09
Kyushu Championship
Date 2019-11-17 Rating 2419.58
Round Color Result Opponent
1 White Win JPN Kawano Takahisa 2462.92
2 White Win JPN Inazumi Masanori 1758.47
3 White Win JPN Kurakake Mataichi 1576.17
57 Meijinsen Qualification Kyushu area 2nd round
Date 2019-06-23 Rating 2423.19
Round Color Result Opponent
1 Black Win JPN Kawano Takahisa 2459.98
2 Black Loss JPN Kawano Takahisa 2459.98
3 Black Draw JPN Kawano Takahisa 2459.98
57 Meijinsen Qualification Kyushu area 1st round
Date 2019-04-21 Rating 2423.64
Round Color Result Opponent
1 Black Loss JPN Kawano Takahisa 2459.00
2 Black Win JPN Fujii Naoki 1955.55
3 Black Win JPN Inazumi Masanori 1753.71
Kyushu Championship
Date 2018-11-18 Rating 2430.97
Round Color Result Opponent
1 White Win JPN Sato Takuya 2133.05
2 Black Win JPN Kurakake Mataichi 1566.08
3 White Win JPN Inazumi Masanori 1753.01
4 Black Win JPN Fujii Naoki 1953.96
6 White Win JPN Kawano Takahisa 2447.74
56 Meijinsen Tournament
Date 2018-09-17 Rating 2428.66
Round Color Result Opponent
1 White Loss JPN Koyama Jun 2575.48
2 White Loss JPN Okabe Hiroshi 2703.93
4 White Win JPN Ishitani Shin-ichi 2430.91
5 White Loss JPN Nakamura Shigeru 3002.08
6 White Loss JPN Kamiya Shunsuke 2801.48
7 Black Loss JPN Hasegawa Kazuto 2580.49
8 Black Loss JPN Kawamura Norihiko 2660.90
9 Black Win JPN Matsuura Hiroshi 2355.70
56 Meijinsen Qualification Kyushu area
Date 2018-06-17 Rating 2427.42
Round Color Result Opponent
1 Black Win JPN Kawano Takahisa 2441.69
2 White Win JPN Fujii Naoki 1953.09
3 Black Win JPN Inazumi Masanori 1770.82
Kyushu Championship
Date 2017-11-12 Rating 2409.92
Round Color Result Opponent
1 Black Win JPN Fujii Naoki 1972.56
2 White Win JPN Kurakake Mataichi 1542.67
3 Black Loss JPN Kawano Takahisa 2443.84
5 Black Win JPN Inazumi Masanori 1777.86
55 Meijinsen Qualification Kyushu area 2nd round
Date 2017-06-18 Rating 2403.69
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2428.46
3 Black Win JPN Kataoka Mitsuaki 2239.10
55 Meijinsen Qualification Kyushu area 1st round
Date 2017-04-17 Rating 2402.34
Round Color Result Opponent
1 White Win JPN Kataoka Mitsuaki 2245.21
2 White Win JPN Kawano Takahisa 2415.02
3 White Win JPN Yamaoka Kentaro 2175.78
4 Black Win JPN Fujii Naoki 1986.98
Kyushu Championship
Date 2016-11-20 Rating 2380.96
Round Color Result Opponent
1 Black Draw JPN Kataoka Mitsuaki 2242.97
2 Black Win JPN Yamaoka Kentaro 2175.69
3 Black Win JPN Kurakake Mataichi 1538.56
4 Black Win JPN Fujii Naoki 2007.04
54 Meijinsen Tournament
Date 2016-09-19 Rating 2370.92
Round Color Result Opponent
1 White Draw JPN Tanaka Toshiki 2447.39
2 Black Loss JPN Nakayama Tomoharu 2780.47
3 White Loss JPN Kamiya Shunsuke 2762.92
4 White Win JPN Okabe Hiroshi 2720.87
5 White Win JPN Maruyama Yasushi 2293.54
6 White Loss JPN Matsuura Hiroshi 2363.92
7 White Loss JPN Iio Yoshihiro 2563.99
8 White Loss JPN Koyama Jun 2621.59
9 White Loss JPN Hasegawa Kazuto 2642.33
54 Meijinsen Qualification Kyushu area 2nd round
Date 2016-06-19 Rating 2355.23
Round Color Result Opponent
1 Black Win JPN Kataoka Mitsuaki 2243.81
2 Black Loss JPN Kawano Takahisa 2381.92
3 Black Win JPN Fujii Naoki 2036.82
54 Meijinsen Qualification Kyushu area 1st round
Date 2016-04-17 Rating 2344.33
Round Color Result Opponent
1 White Win JPN Fujii Naoki 2041.94
2 White Win JPN Kataoka Mitsuaki 2243.62
3 White Loss JPN Kawano Takahisa 2382.76
4 Black Win JPN Hiwatashi Kikuma 1778.48
Kyushu Championship
Date 2015-11-15 Rating 2315.98
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2386.39
2 Black Win JPN Kurakake Mataichi 1538.95
3 Black Win JPN Fujii Naoki 2043.01
4 White Loss JPN Tanaka Toshiki 2457.88
5 Black Loss JPN Kataoka Mitsuaki 2249.40
53 Meijinsen Qualification Kyushu area 1st round
Date 2015-04-19 Rating 2303.40
Round Color Result Opponent
1 Black Win JPN Fujii Naoki 2034.19
2 Black Win JPN Fujii Naoki 2034.19
3 Black Win JPN Fujii Naoki 2034.19
Kyushu Championship
Date 2014-11-16 Rating 2285.18
Round Color Result Opponent
1 Black Loss JPN Fujii Naoki 2036.72
2 Black Win JPN Kurakake Mataichi 1543.07
3 White Loss JPN Kawano Takahisa 2393.16
49 Meijinsen Qualification Kyushu area 2nd round
Date 2011-06-12 Rating 2296.03
Round Color Result Opponent
1 White Loss JPN Sato Kiyotomi 2396.09
2 White Win JPN Sakashita Shoichi 2152.30
3 White Loss JPN Kawano Takahisa 2356.06
49 Meijinsen Qualification Kyushu area 1st round
Date 2011-04-17 Rating 2299.44
Round Color Result Opponent
1 White Win JPN Tanaka Shingo 2150.40
2 Black Win JPN Hiwatashi Kikuma 1804.23
3 White Loss JPN Kawano Takahisa 2355.61
5 Black Win JPN Sakashita Shoichi 2147.22
48 Meijinsen Qualification Kyushu area 1st round
Date 2010-04-17 Rating 2312.48
Round Color Result Opponent
White Win JPN Kawano Takahisa 2308.07
White Win JPN Fujii Naoki 2076.84
4th Kyushu Championship
Date 2009-10-17 Rating 2304.86
Round Color Result Opponent
1 White Draw JPN Fujii Naoki 2098.30
2 White Loss JPN Tanaka Koichi 2388.86
3 White Win JPN Hiwatashi Kikuma 1815.27
47th Meijinsen Qualification Kyushu area 1st round
Date 2009-04-18 Rating 2309.21
Round Color Result Opponent
1 White Win JPN Kawano Takahisa 2260.48
2 Black Win JPN Sakashita Shoichi 2087.53
3 White Loss JPN Kataoka Mitsuaki 2258.32
2nd Fujinami Cup Tournament
Date 2007-02-25 Rating 2321.29
Round Color Result Opponent
A Black Draw JPN Fujii Naoki 2128.74
A Black Win JPN Tanaka Koichi 2354.26
A White Win JPN Tanaka Koichi 2354.26
A White Draw JPN Fujii Naoki 2128.74
Kyushu Championship
Date 2006-11-12 Rating 2316.02
Round Color Result Opponent
A White Loss JPN Nishimura Toshio 2349.29
A White Loss JPN Yamaguchi Yusui 2642.69
A Black Loss JPN Tanaka Koichi 2356.57
A Black Win JPN Hiwatashi Kikuma 1907.71
42nd Meijinsen Qualification: Kyushu 2nd round
Date 2004-05-22 Rating 2364.98
Round Color Result Opponent
White Win JPN Sakashita Shoichi 2203.64
Black Loss JPN Nishimura Toshio 2361.36
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2384.68
Round Color Result Opponent
1 Black Win JPN Kudomi Takahiro 2341.60
2 White Draw JPN Isobe Taizan 2418.09
3 White Loss JPN Hasegawa Kazuto 2627.16
4 Black Win JPN Iio Yoshihiro 2498.29
5 Black Loss JPN Matsuura Hiroshi 2409.88
6 Black Win JPN Miyagawa Junzo 2262.21
7 Black Win JPN Takashima Junya 2342.67
8 White Loss JPN Okabe Hiroshi 2552.15
9 White Draw JPN Ishitani Shin-ichi 2384.52
41st Meijinsen Qualification: Kyushu 2nd round
Date 2003-05-25 Rating 2381.34
Round Color Result Opponent
White Win JPN Fujinami Hisao 2309.51
Black Win JPN Tanaka Tadanobu 2103.00
Black Win JPN Sakashita Shoichi 2181.87
41st Meijinsen Qualification: Kyushu - 1st round Group B
Date 2003-04-20 Rating 2377.17
Round Color Result Opponent
White Win JPN Sakashita Shoichi 2184.38
Black Win JPN Tanaka Koichi 2209.84
Black Win JPN Sagara Satoshi 1500.78
Black Win JPN Kawano Masatoshi 1776.37
Black Win JPN Nishida Yasuji 1933.92
40th Meijinsen Qualification: Kyushu 2nd round
Date 2002-06-02 Rating 2316.12
Round Color Result Opponent
White Draw JPN Nishimura Toshio 2364.79
White Loss JPN Sakashita Shoichi 2204.34
White Loss JPN Fujinami Hisao 2282.47
Meijinsen Qualification: Kyushu 1st Group B
Date 2000-04-09 Rating 2266.27
Round Color Result Opponent
Black Loss JPN Nishimura Toshio 2356.64
Black Win JPN Nishida Yasuji 1957.09
Black Win JPN Sakai Kazuyuki 1801.08
Black Win JPN Sagara Satoshi 1552.93
Black Win JPN Sakashita Shoichi 2165.64