Kuga Akio, Japan - Renju Rating

JPN Kuga Akio (久家彰夫)

Place: Sasebo, Japan

Rating: 2398.12, Std: 90.68, Rank: 211

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

Top rating: 2430.63 (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 2398.12
Round Color Result Opponent
4 Black Win JPN Kurakake Mataichi 1552.68
5 White Loss JPN Tachi Masaya 2489.89
6 White Loss JPN Kawano Takahisa 2571.93
5th Masters Renju Tournament
Date 2026-01-25 Rating 2409.43
Round Color Result Opponent
1 Black Loss JPN Miyamoto Syunju 2329.00
2 Black Draw JPN Kawamura Norihiko 2552.89
3 White Draw JPN Iwano Fumio 2155.24
4 White Win JPN Ishitani Shin-ichi 2349.22
5 White Draw JPN Gakumazawa Hideaki 2159.97
Kyushu Renju Championship 2025
Date 2025-11-09 Rating 2420.17
Round Color Result Opponent
1 Black Win JPN Suzuki Yuta 1695.06
2 White Win JPN Kawaai Hitoshi 2048.75
3 Black Loss JPN Kawano Takahisa 2570.00
4 Black Win JPN Kawamoto Shoma 2329.67
63rd Meijinsen Tournament
Date 2025-10-13 Rating 2423.35
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2567.99
2 Black Loss JPN Tachi Masaya 2494.35
3 Black Draw JPN Okabe Hiroshi 2743.89
4 White Win JPN Mano Yoshihisa 2203.70
5 White Loss CHN Wang Qingqing 2695.33
6 White Loss JPN Makino Mitsunori 2661.88
7 Black Win JPN Takashima Junya 2437.01
8 White Win JPN Matsuda Shoma 2613.33
9 White Draw JPN Nakayama Tomoharu 2828.96
63 Meijinsen Qualification West Japan area 2nd round
Date 2025-05-18 Rating 2421.26
Round Color Result Opponent
1 White Draw JPN Kawano Takahisa 2556.12
2 Black Win JPN Matsuura Hiroshi 2241.16
3 Black Win JPN Fujii Naoki 2136.82
63rd Meijinsen West Japan 1st preliminary tournament
Date 2025-04-13 Rating 2418.39
Round Color Result Opponent
1 White Win JPN Kawano Takahisa 2553.16
2 Black Win JPN Suzuki Yuta 1712.89
4 Black Loss JPN Matsuura Hiroshi 2245.23
5 Black Win JPN Fujii Naoki 2135.26
4th Masters Renju Tournament
Date 2025-03-23 Rating 2416.36
Round Color Result Opponent
1 White Win JPN Takazawa Nagayoshi 2251.08
2 White Win JPN Mano Yoshihisa 2246.02
3 White Draw JPN Ishitani Shin-ichi 2385.73
4 White Draw JPN Iwano Fumio 2193.79
5 White Loss JPN Maruyama Yasushi 2216.17
Kyushu Championship 2024
Date 2024-11-17 Rating 2411.64
Round Color Result Opponent
1 Black Win JPN Kurakake Mataichi 1541.55
2 White Win JPN Yamane Tomohiro 2045.81
3 Black Draw JPN Kawano Takahisa 2548.09
4 Black Loss JPN Ishitani Shin-ichi 2402.90
62nd Meijinsen Tournament
Date 2024-10-14 Rating 2411.17
Round Color Result Opponent
1 Black Loss JPN Makino Mitsunori 2650.02
2 White Loss JPN Tachi Masaya 2575.69
3 Black Loss JPN Nakayama Tomoharu 2795.61
4 Black Draw JPN Ishitani Shin-ichi 2406.20
5 White Loss JPN Matsuda Shoma 2519.70
6 Black Draw JPN Kawano Takahisa 2546.25
7 White Win JPN Inoue Fumiya 2527.32
8 White Win JPN Yamane Tomohiro 2049.74
9 Black Loss JPN Okabe Hiroshi 2747.30
62nd Meijinsen Tournament Kyushu Area
Date 2024-04-14 Rating 2410.73
Round Color Result Opponent
1 Black Win JPN Fujii Naoki 2099.34
2 Black Win JPN Fujii Naoki 2099.34
2023 Kyushu Championship
Date 2023-11-12 Rating 2405.47
Round Color Result Opponent
1 Black Win JPN Takahashi Yutaka 1910.45
2 White Win JPN Nakagawa Toru 1975.94
3 White Draw JPN Kawano Takahisa 2551.65
4 White Loss JPN Kawamoto Shoma 2331.39
61st Meijin-sen Kyushu area 2nd round
Date 2023-05-21 Rating 2404.82
Round Color Result Opponent
1 Black Loss JPN Kawano Takahisa 2528.98
2 White Win JPN Kawano Takahisa 2528.98
3 Black Loss JPN Kawano Takahisa 2528.98
61st Meijinsen Tournament Kyushu 1st round
Date 2023-04-09 Rating 2404.60
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2522.05
2 Black Win JPN Fujii Naoki 2074.50
3 White Win JPN Jitsufuji Hitoki 2066.15
Kyushu Championship
Date 2022-11-20 Rating 2405.14
Round Color Result Opponent
1 Black Draw JPN Inoue Fumiya 2531.67
2 Black Draw JPN Yamane Tomohiro 2105.66
3 White Draw JPN Shimura Hiroki 2169.84
4 White Win JPN Kurakake Mataichi 1568.48
60th Meijinsen Tournament
Date 2022-09-19 Rating 2408.55
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2701.46
2 White Loss JPN Makino Mitsunori 2631.11
3 Black Loss JPN Nakayama Tomoharu 2810.83
4 Black Draw JPN Ono Takayuki 2424.51
5 White Draw JPN Nagasoe Hiroki 2658.39
6 Black Win JPN Ishitani Shin-ichi 2366.00
7 White Win JPN Kawamoto Shoma 2322.80
8 Black Loss JPN Miyamoto Syunju 2257.68
9 Black Draw JPN Hasegawa Kazuto 2611.76
60 Meijinsen Qualification Kyushu area 2nd round
Date 2022-05-22 Rating 2411.90
Round Color Result Opponent
2 Black Draw JPN Kawano Takahisa 2488.73
3 White Win JPN Fujii Naoki 2042.67
4 Black Win JPN Kawano Takahisa 2488.73
60 Meijinsen Qualification Kyushu area 1st round
Date 2022-04-10 Rating 2409.23
Round Color Result Opponent
1 Black Win JPN Kawano Takahisa 2491.10
3 White Loss JPN Fujii Naoki 2039.35
Kyushu Championship 2021
Date 2021-11-21 Rating 2404.64
Round Color Result Opponent
S1 Black Win JPN Fujii Naoki 2015.45
S2 Black Win JPN Tanaka Toshiki 2415.51
S3 White Loss JPN Kawano Takahisa 2507.48
59 Meijinsen Qualification Kyushu area 2nd round
Date 2021-07-11 Rating 2396.50
Round Color Result Opponent
1 Black Loss JPN Kawano Takahisa 2511.48
2 White Loss JPN Kawano Takahisa 2511.48
59 Meijinsen Qualification Kyushu area 1st round
Date 2021-04-18 Rating 2397.71
Round Color Result Opponent
1 Black Win JPN Yamaoka Kentaro 2267.00
2 Black Win JPN Kataoka Mitsuaki 2183.23
3 Black Loss JPN Kawano Takahisa 2508.00
4 Black Win JPN Fujii Naoki 1984.25
Kyushu Championship
Date 2020-11-22 Rating 2395.20
Round Color Result Opponent
2 Black Win JPN Kurakake Mataichi 1588.56
3 White Loss JPN Kawamoto Shoma 2366.49
4 White Win JPN Kawaai Hitoshi 2016.29
5 White Win JPN Yamane Tomohiro 2060.55
58 Meijinsen Qualification Kyushu area
Date 2020-07-05 Rating 2397.51
Round Color Result Opponent
1 White Loss JPN Tanaka Toshiki 2480.65
3 White Loss JPN Kawano Takahisa 2484.53
4 White Win JPN Kurakake Mataichi 1592.68
5 Black Win JPN Fujii Naoki 1952.42
Kyushu Championship
Date 2019-11-17 Rating 2418.76
Round Color Result Opponent
1 White Win JPN Kawano Takahisa 2462.55
2 White Win JPN Inazumi Masanori 1764.27
3 White Win JPN Kurakake Mataichi 1577.24
57 Meijinsen Qualification Kyushu area 2nd round
Date 2019-06-23 Rating 2422.59
Round Color Result Opponent
1 Black Win JPN Kawano Takahisa 2459.70
2 Black Loss JPN Kawano Takahisa 2459.70
3 Black Draw JPN Kawano Takahisa 2459.70
57 Meijinsen Qualification Kyushu area 1st round
Date 2019-04-21 Rating 2423.11
Round Color Result Opponent
1 Black Loss JPN Kawano Takahisa 2458.75
2 Black Win JPN Fujii Naoki 1954.95
3 Black Win JPN Inazumi Masanori 1758.41
Kyushu Championship
Date 2018-11-18 Rating 2430.63
Round Color Result Opponent
1 White Win JPN Sato Takuya 2133.38
2 Black Win JPN Kurakake Mataichi 1567.32
3 White Win JPN Inazumi Masanori 1757.09
4 Black Win JPN Fujii Naoki 1953.63
6 White Win JPN Kawano Takahisa 2447.58
56 Meijinsen Tournament
Date 2018-09-17 Rating 2428.39
Round Color Result Opponent
1 White Loss JPN Koyama Jun 2575.82
2 White Loss JPN Okabe Hiroshi 2704.07
4 White Win JPN Ishitani Shin-ichi 2431.21
5 White Loss JPN Nakamura Shigeru 3002.42
6 White Loss JPN Kamiya Shunsuke 2802.09
7 Black Loss JPN Hasegawa Kazuto 2580.68
8 Black Loss JPN Kawamura Norihiko 2661.71
9 Black Win JPN Matsuura Hiroshi 2355.55
56 Meijinsen Qualification Kyushu area
Date 2018-06-17 Rating 2427.20
Round Color Result Opponent
1 Black Win JPN Kawano Takahisa 2441.60
2 White Win JPN Fujii Naoki 1952.93
3 Black Win JPN Inazumi Masanori 1774.49
Kyushu Championship
Date 2017-11-12 Rating 2409.82
Round Color Result Opponent
1 Black Win JPN Fujii Naoki 1972.54
2 White Win JPN Kurakake Mataichi 1543.87
3 Black Loss JPN Kawano Takahisa 2443.86
5 Black Win JPN Inazumi Masanori 1781.13
55 Meijinsen Qualification Kyushu area 2nd round
Date 2017-06-18 Rating 2403.65
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2428.51
3 Black Win JPN Kataoka Mitsuaki 2239.06
55 Meijinsen Qualification Kyushu area 1st round
Date 2017-04-17 Rating 2402.33
Round Color Result Opponent
1 White Win JPN Kataoka Mitsuaki 2245.19
2 White Win JPN Kawano Takahisa 2415.08
3 White Win JPN Yamaoka Kentaro 2175.63
4 Black Win JPN Fujii Naoki 1986.99
Kyushu Championship
Date 2016-11-20 Rating 2381.01
Round Color Result Opponent
1 Black Draw JPN Kataoka Mitsuaki 2242.98
2 Black Win JPN Yamaoka Kentaro 2175.58
3 Black Win JPN Kurakake Mataichi 1539.62
4 Black Win JPN Fujii Naoki 2007.08
54 Meijinsen Tournament
Date 2016-09-19 Rating 2371.00
Round Color Result Opponent
1 White Draw JPN Tanaka Toshiki 2447.58
2 Black Loss JPN Nakayama Tomoharu 2780.97
3 White Loss JPN Kamiya Shunsuke 2763.45
4 White Win JPN Okabe Hiroshi 2721.34
5 White Win JPN Maruyama Yasushi 2294.33
6 White Loss JPN Matsuura Hiroshi 2364.13
7 White Loss JPN Iio Yoshihiro 2564.39
8 White Loss JPN Koyama Jun 2622.07
9 White Loss JPN Hasegawa Kazuto 2642.73
54 Meijinsen Qualification Kyushu area 2nd round
Date 2016-06-19 Rating 2355.31
Round Color Result Opponent
1 Black Win JPN Kataoka Mitsuaki 2243.85
2 Black Loss JPN Kawano Takahisa 2382.03
3 Black Win JPN Fujii Naoki 2036.88
54 Meijinsen Qualification Kyushu area 1st round
Date 2016-04-17 Rating 2344.42
Round Color Result Opponent
1 White Win JPN Fujii Naoki 2042.01
2 White Win JPN Kataoka Mitsuaki 2243.66
3 White Loss JPN Kawano Takahisa 2382.88
4 Black Win JPN Hiwatashi Kikuma 1778.68
Kyushu Championship
Date 2015-11-15 Rating 2316.09
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2386.55
2 Black Win JPN Kurakake Mataichi 1539.89
3 Black Win JPN Fujii Naoki 2043.11
4 White Loss JPN Tanaka Toshiki 2458.09
5 Black Loss JPN Kataoka Mitsuaki 2249.47
53 Meijinsen Qualification Kyushu area 1st round
Date 2015-04-19 Rating 2303.53
Round Color Result Opponent
1 Black Win JPN Fujii Naoki 2034.32
2 Black Win JPN Fujii Naoki 2034.32
3 Black Win JPN Fujii Naoki 2034.32
Kyushu Championship
Date 2014-11-16 Rating 2285.33
Round Color Result Opponent
1 Black Loss JPN Fujii Naoki 2036.86
2 Black Win JPN Kurakake Mataichi 1543.91
3 White Loss JPN Kawano Takahisa 2393.40
49 Meijinsen Qualification Kyushu area 2nd round
Date 2011-06-12 Rating 2296.28
Round Color Result Opponent
1 White Loss JPN Sato Kiyotomi 2396.50
2 White Win JPN Sakashita Shoichi 2152.61
3 White Loss JPN Kawano Takahisa 2356.39
49 Meijinsen Qualification Kyushu area 1st round
Date 2011-04-17 Rating 2299.69
Round Color Result Opponent
1 White Win JPN Tanaka Shingo 2150.69
2 Black Win JPN Hiwatashi Kikuma 1804.46
3 White Loss JPN Kawano Takahisa 2355.94
5 Black Win JPN Sakashita Shoichi 2147.53
48 Meijinsen Qualification Kyushu area 1st round
Date 2010-04-17 Rating 2312.73
Round Color Result Opponent
White Win JPN Kawano Takahisa 2308.37
White Win JPN Fujii Naoki 2077.08
4th Kyushu Championship
Date 2009-10-17 Rating 2305.11
Round Color Result Opponent
1 White Draw JPN Fujii Naoki 2098.54
2 White Loss JPN Tanaka Koichi 2389.08
3 White Win JPN Hiwatashi Kikuma 1815.50
47th Meijinsen Qualification Kyushu area 1st round
Date 2009-04-18 Rating 2309.45
Round Color Result Opponent
1 White Win JPN Kawano Takahisa 2260.76
2 Black Win JPN Sakashita Shoichi 2087.80
3 White Loss JPN Kataoka Mitsuaki 2258.59
2nd Fujinami Cup Tournament
Date 2007-02-25 Rating 2321.53
Round Color Result Opponent
A Black Draw JPN Fujii Naoki 2128.96
A Black Win JPN Tanaka Koichi 2354.49
A White Win JPN Tanaka Koichi 2354.49
A White Draw JPN Fujii Naoki 2128.96
Kyushu Championship
Date 2006-11-12 Rating 2316.26
Round Color Result Opponent
A White Loss JPN Nishimura Toshio 2349.53
A White Loss JPN Yamaguchi Yusui 2643.01
A Black Loss JPN Tanaka Koichi 2356.80
A Black Win JPN Hiwatashi Kikuma 1907.91
42nd Meijinsen Qualification: Kyushu 2nd round
Date 2004-05-22 Rating 2365.21
Round Color Result Opponent
White Win JPN Sakashita Shoichi 2203.86
Black Loss JPN Nishimura Toshio 2361.60
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2384.92
Round Color Result Opponent
1 Black Win JPN Kudomi Takahiro 2341.89
2 White Draw JPN Isobe Taizan 2418.35
3 White Loss JPN Hasegawa Kazuto 2627.45
4 Black Win JPN Iio Yoshihiro 2498.58
5 Black Loss JPN Matsuura Hiroshi 2410.14
6 Black Win JPN Miyagawa Junzo 2262.49
7 Black Win JPN Takashima Junya 2342.94
8 White Loss JPN Okabe Hiroshi 2552.43
9 White Draw JPN Ishitani Shin-ichi 2384.79
41st Meijinsen Qualification: Kyushu 2nd round
Date 2003-05-25 Rating 2381.57
Round Color Result Opponent
White Win JPN Fujinami Hisao 2309.71
Black Win JPN Tanaka Tadanobu 2103.16
Black Win JPN Sakashita Shoichi 2182.08
41st Meijinsen Qualification: Kyushu - 1st round Group B
Date 2003-04-20 Rating 2377.39
Round Color Result Opponent
White Win JPN Sakashita Shoichi 2184.58
Black Win JPN Tanaka Koichi 2210.02
Black Win JPN Sagara Satoshi 1500.88
Black Win JPN Kawano Masatoshi 1776.47
Black Win JPN Nishida Yasuji 1934.05
40th Meijinsen Qualification: Kyushu 2nd round
Date 2002-06-02 Rating 2316.33
Round Color Result Opponent
White Draw JPN Nishimura Toshio 2365.05
White Loss JPN Sakashita Shoichi 2204.54
White Loss JPN Fujinami Hisao 2282.67
Meijinsen Qualification: Kyushu 1st Group B
Date 2000-04-09 Rating 2266.46
Round Color Result Opponent
Black Loss JPN Nishimura Toshio 2356.87
Black Win JPN Nishida Yasuji 1957.20
Black Win JPN Sakai Kazuyuki 1801.17
Black Win JPN Sagara Satoshi 1553.02
Black Win JPN Sakashita Shoichi 2165.81