Kuga Akio, Japan - Renju Rating

JPN Kuga Akio (久家彰夫)

Place: Sasebo, Japan

Rating: 2435.09, Std: 89.98, Rank: 181

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

Top rating: 2443.82 (2025-10-13)

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

Gy1: 21, Gy2: 43, Gy5: 78

5th Masters Renju Tournament
Date 2026-01-25 Rating 2435.09
Round Color Result Opponent
1 Black Loss JPN Miyamoto Syunju 2345.10
2 Black Draw JPN Kawamura Norihiko 2518.31
3 White Draw JPN Iwano Fumio 2161.89
4 White Win JPN Ishitani Shin-ichi 2355.58
5 White Draw JPN Gakumazawa Hideaki 2135.23
Kyushu Renju Championship 2025
Date 2025-11-09 Rating 2441.92
Round Color Result Opponent
1 Black Win JPN Suzuki Yuta 1706.56
2 White Win JPN Kawaai Hitoshi 2057.55
3 Black Loss JPN Kawano Takahisa 2574.32
4 Black Win JPN Kawamoto Shoma 2348.67
63rd Meijinsen Tournament
Date 2025-10-13 Rating 2443.82
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2572.49
2 Black Loss JPN Tachi Masaya 2503.00
3 Black Draw JPN Okabe Hiroshi 2750.84
4 White Win JPN Mano Yoshihisa 2231.71
5 White Loss CHN Wang Qingqing 2721.98
6 White Loss JPN Makino Mitsunori 2665.14
7 Black Win JPN Takashima Junya 2401.77
8 White Win JPN Matsuda Shoma 2619.54
9 White Draw JPN Nakayama Tomoharu 2834.69
63 Meijinsen Qualification West Japan area 2nd round
Date 2025-05-18 Rating 2437.25
Round Color Result Opponent
1 White Draw JPN Kawano Takahisa 2561.25
2 Black Win JPN Matsuura Hiroshi 2247.88
3 Black Win JPN Fujii Naoki 2143.55
63rd Meijinsen West Japan 1st preliminary tournament
Date 2025-04-13 Rating 2433.45
Round Color Result Opponent
1 White Win JPN Kawano Takahisa 2558.39
2 Black Win JPN Suzuki Yuta 1723.79
4 Black Loss JPN Matsuura Hiroshi 2251.92
5 Black Win JPN Fujii Naoki 2141.97
4th Masters Renju Tournament
Date 2025-03-23 Rating 2430.92
Round Color Result Opponent
1 White Win JPN Takazawa Nagayoshi 2263.74
2 White Win JPN Mano Yoshihisa 2265.23
3 White Draw JPN Ishitani Shin-ichi 2392.62
4 White Draw JPN Iwano Fumio 2200.85
5 White Loss JPN Maruyama Yasushi 2193.46
Kyushu Championship 2024
Date 2024-11-17 Rating 2423.95
Round Color Result Opponent
1 Black Win JPN Kurakake Mataichi 1557.84
2 White Win JPN Yamane Tomohiro 2051.68
3 Black Draw JPN Kawano Takahisa 2553.46
4 Black Loss JPN Ishitani Shin-ichi 2409.12
62nd Meijinsen Tournament
Date 2024-10-14 Rating 2422.95
Round Color Result Opponent
1 Black Loss JPN Makino Mitsunori 2652.68
2 White Loss JPN Tachi Masaya 2579.91
3 Black Loss JPN Nakayama Tomoharu 2800.54
4 Black Draw JPN Ishitani Shin-ichi 2412.27
5 White Loss JPN Matsuda Shoma 2526.64
6 Black Draw JPN Kawano Takahisa 2551.62
7 White Win JPN Inoue Fumiya 2535.31
8 White Win JPN Yamane Tomohiro 2055.57
9 Black Loss JPN Okabe Hiroshi 2753.23
62nd Meijinsen Tournament Kyushu Area
Date 2024-04-14 Rating 2420.79
Round Color Result Opponent
1 Black Win JPN Fujii Naoki 2105.48
2 Black Win JPN Fujii Naoki 2105.48
2023 Kyushu Championship
Date 2023-11-12 Rating 2414.18
Round Color Result Opponent
1 Black Win JPN Takahashi Yutaka 1913.18
2 White Win JPN Nakagawa Toru 1977.55
3 White Draw JPN Kawano Takahisa 2556.61
4 White Loss JPN Kawamoto Shoma 2341.61
61st Meijin-sen Kyushu area 2nd round
Date 2023-05-21 Rating 2412.13
Round Color Result Opponent
1 Black Loss JPN Kawano Takahisa 2533.77
2 White Win JPN Kawano Takahisa 2533.77
3 Black Loss JPN Kawano Takahisa 2533.77
61st Meijinsen Tournament Kyushu 1st round
Date 2023-04-09 Rating 2411.62
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2526.78
2 Black Win JPN Fujii Naoki 2079.83
3 White Win JPN Jitsufuji Hitoki 2070.12
Kyushu Championship
Date 2022-11-20 Rating 2411.28
Round Color Result Opponent
1 Black Draw JPN Inoue Fumiya 2536.40
2 Black Draw JPN Yamane Tomohiro 2110.14
3 White Draw JPN Shimura Hiroki 2173.78
4 White Win JPN Kurakake Mataichi 1577.56
60th Meijinsen Tournament
Date 2022-09-19 Rating 2414.34
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2707.81
2 White Loss JPN Makino Mitsunori 2634.18
3 Black Loss JPN Nakayama Tomoharu 2813.73
4 Black Draw JPN Ono Takayuki 2429.94
5 White Draw JPN Nagasoe Hiroki 2662.47
6 Black Win JPN Ishitani Shin-ichi 2369.66
7 White Win JPN Kawamoto Shoma 2329.08
8 Black Loss JPN Miyamoto Syunju 2261.22
9 Black Draw JPN Hasegawa Kazuto 2613.44
60 Meijinsen Qualification Kyushu area 2nd round
Date 2022-05-22 Rating 2417.21
Round Color Result Opponent
2 Black Draw JPN Kawano Takahisa 2492.94
3 White Win JPN Fujii Naoki 2047.33
4 Black Win JPN Kawano Takahisa 2492.94
60 Meijinsen Qualification Kyushu area 1st round
Date 2022-04-10 Rating 2414.38
Round Color Result Opponent
1 Black Win JPN Kawano Takahisa 2495.22
3 White Loss JPN Fujii Naoki 2043.93
Kyushu Championship 2021
Date 2021-11-21 Rating 2409.31
Round Color Result Opponent
S1 Black Win JPN Fujii Naoki 2019.73
S2 Black Win JPN Tanaka Toshiki 2418.11
S3 White Loss JPN Kawano Takahisa 2511.30
59 Meijinsen Qualification Kyushu area 2nd round
Date 2021-07-11 Rating 2400.77
Round Color Result Opponent
1 Black Loss JPN Kawano Takahisa 2515.02
2 White Loss JPN Kawano Takahisa 2515.02
59 Meijinsen Qualification Kyushu area 1st round
Date 2021-04-18 Rating 2401.75
Round Color Result Opponent
1 Black Win JPN Yamaoka Kentaro 2270.02
2 Black Win JPN Kataoka Mitsuaki 2185.31
3 Black Loss JPN Kawano Takahisa 2511.34
4 Black Win JPN Fujii Naoki 1988.10
Kyushu Championship
Date 2020-11-22 Rating 2398.89
Round Color Result Opponent
2 Black Win JPN Kurakake Mataichi 1594.17
3 White Loss JPN Kawamoto Shoma 2370.19
4 White Win JPN Kawaai Hitoshi 2019.39
5 White Win JPN Yamane Tomohiro 2064.00
58 Meijinsen Qualification Kyushu area
Date 2020-07-05 Rating 2400.90
Round Color Result Opponent
1 White Loss JPN Tanaka Toshiki 2482.94
3 White Loss JPN Kawano Takahisa 2487.32
4 White Win JPN Kurakake Mataichi 1597.76
5 Black Win JPN Fujii Naoki 1955.72
Kyushu Championship
Date 2019-11-17 Rating 2421.67
Round Color Result Opponent
1 White Win JPN Kawano Takahisa 2464.97
2 White Win JPN Inazumi Masanori 1761.67
3 White Win JPN Kurakake Mataichi 1581.47
57 Meijinsen Qualification Kyushu area 2nd round
Date 2019-06-23 Rating 2425.23
Round Color Result Opponent
1 Black Win JPN Kawano Takahisa 2461.98
2 Black Loss JPN Kawano Takahisa 2461.98
3 Black Draw JPN Kawano Takahisa 2461.98
57 Meijinsen Qualification Kyushu area 1st round
Date 2019-04-21 Rating 2425.65
Round Color Result Opponent
1 Black Loss JPN Kawano Takahisa 2460.98
2 Black Win JPN Fujii Naoki 1957.36
3 Black Win JPN Inazumi Masanori 1756.74
Kyushu Championship
Date 2018-11-18 Rating 2432.92
Round Color Result Opponent
1 White Win JPN Sato Takuya 2135.17
2 Black Win JPN Kurakake Mataichi 1570.60
3 White Win JPN Inazumi Masanori 1755.93
4 Black Win JPN Fujii Naoki 1955.81
6 White Win JPN Kawano Takahisa 2449.66
56 Meijinsen Tournament
Date 2018-09-17 Rating 2430.58
Round Color Result Opponent
1 White Loss JPN Koyama Jun 2577.57
2 White Loss JPN Okabe Hiroshi 2705.87
4 White Win JPN Ishitani Shin-ichi 2432.81
5 White Loss JPN Nakamura Shigeru 3004.08
6 White Loss JPN Kamiya Shunsuke 2803.51
7 Black Loss JPN Hasegawa Kazuto 2582.25
8 Black Loss JPN Kawamura Norihiko 2662.77
9 Black Win JPN Matsuura Hiroshi 2357.53
56 Meijinsen Qualification Kyushu area
Date 2018-06-17 Rating 2429.30
Round Color Result Opponent
1 Black Win JPN Kawano Takahisa 2443.55
2 White Win JPN Fujii Naoki 1954.94
3 Black Win JPN Inazumi Masanori 1773.62
Kyushu Championship
Date 2017-11-12 Rating 2411.72
Round Color Result Opponent
1 Black Win JPN Fujii Naoki 1974.37
2 White Win JPN Kurakake Mataichi 1546.63
3 Black Loss JPN Kawano Takahisa 2445.62
5 Black Win JPN Inazumi Masanori 1780.51
55 Meijinsen Qualification Kyushu area 2nd round
Date 2017-06-18 Rating 2405.43
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2430.17
3 Black Win JPN Kataoka Mitsuaki 2240.71
55 Meijinsen Qualification Kyushu area 1st round
Date 2017-04-17 Rating 2404.05
Round Color Result Opponent
1 White Win JPN Kataoka Mitsuaki 2246.82
2 White Win JPN Kawano Takahisa 2416.71
3 White Win JPN Yamaoka Kentaro 2177.50
4 Black Win JPN Fujii Naoki 1988.72
Kyushu Championship
Date 2016-11-20 Rating 2382.62
Round Color Result Opponent
1 Black Draw JPN Kataoka Mitsuaki 2244.55
2 Black Win JPN Yamaoka Kentaro 2177.35
3 Black Win JPN Kurakake Mataichi 1542.14
4 Black Win JPN Fujii Naoki 2008.73
54 Meijinsen Tournament
Date 2016-09-19 Rating 2372.55
Round Color Result Opponent
1 White Draw JPN Tanaka Toshiki 2448.84
2 Black Loss JPN Nakayama Tomoharu 2782.13
3 White Loss JPN Kamiya Shunsuke 2764.55
4 White Win JPN Okabe Hiroshi 2722.47
5 White Win JPN Maruyama Yasushi 2295.35
6 White Loss JPN Matsuura Hiroshi 2365.46
7 White Loss JPN Iio Yoshihiro 2565.51
8 White Loss JPN Koyama Jun 2623.18
9 White Loss JPN Hasegawa Kazuto 2643.87
54 Meijinsen Qualification Kyushu area 2nd round
Date 2016-06-19 Rating 2356.82
Round Color Result Opponent
1 Black Win JPN Kataoka Mitsuaki 2245.35
2 Black Loss JPN Kawano Takahisa 2383.49
3 Black Win JPN Fujii Naoki 2038.44
54 Meijinsen Qualification Kyushu area 1st round
Date 2016-04-17 Rating 2345.91
Round Color Result Opponent
1 White Win JPN Fujii Naoki 2043.54
2 White Win JPN Kataoka Mitsuaki 2245.14
3 White Loss JPN Kawano Takahisa 2384.30
4 Black Win JPN Hiwatashi Kikuma 1779.68
Kyushu Championship
Date 2015-11-15 Rating 2317.50
Round Color Result Opponent
1 White Loss JPN Kawano Takahisa 2387.87
2 Black Win JPN Kurakake Mataichi 1542.17
3 Black Win JPN Fujii Naoki 2044.56
4 White Loss JPN Tanaka Toshiki 2459.28
5 Black Loss JPN Kataoka Mitsuaki 2250.88
53 Meijinsen Qualification Kyushu area 1st round
Date 2015-04-19 Rating 2304.86
Round Color Result Opponent
1 Black Win JPN Fujii Naoki 2035.66
2 Black Win JPN Fujii Naoki 2035.66
3 Black Win JPN Fujii Naoki 2035.66
Kyushu Championship
Date 2014-11-16 Rating 2286.59
Round Color Result Opponent
1 Black Loss JPN Fujii Naoki 2038.13
2 Black Win JPN Kurakake Mataichi 1545.97
3 White Loss JPN Kawano Takahisa 2394.50
49 Meijinsen Qualification Kyushu area 2nd round
Date 2011-06-12 Rating 2297.04
Round Color Result Opponent
1 White Loss JPN Sato Kiyotomi 2396.99
2 White Win JPN Sakashita Shoichi 2153.18
3 White Loss JPN Kawano Takahisa 2356.99
49 Meijinsen Qualification Kyushu area 1st round
Date 2011-04-17 Rating 2300.44
Round Color Result Opponent
1 White Win JPN Tanaka Shingo 2151.30
2 Black Win JPN Hiwatashi Kikuma 1805.19
3 White Loss JPN Kawano Takahisa 2356.53
5 Black Win JPN Sakashita Shoichi 2148.09
48 Meijinsen Qualification Kyushu area 1st round
Date 2010-04-17 Rating 2313.39
Round Color Result Opponent
White Win JPN Kawano Takahisa 2308.92
White Win JPN Fujii Naoki 2077.71
4th Kyushu Championship
Date 2009-10-17 Rating 2305.73
Round Color Result Opponent
1 White Draw JPN Fujii Naoki 2099.13
2 White Loss JPN Tanaka Koichi 2389.53
3 White Win JPN Hiwatashi Kikuma 1816.10
47th Meijinsen Qualification Kyushu area 1st round
Date 2009-04-18 Rating 2310.04
Round Color Result Opponent
1 White Win JPN Kawano Takahisa 2261.26
2 Black Win JPN Sakashita Shoichi 2088.31
3 White Loss JPN Kataoka Mitsuaki 2259.13
2nd Fujinami Cup Tournament
Date 2007-02-25 Rating 2322.00
Round Color Result Opponent
A Black Draw JPN Fujii Naoki 2129.38
A Black Win JPN Tanaka Koichi 2354.89
A White Win JPN Tanaka Koichi 2354.89
A White Draw JPN Fujii Naoki 2129.38
Kyushu Championship
Date 2006-11-12 Rating 2316.72
Round Color Result Opponent
A White Loss JPN Nishimura Toshio 2349.91
A White Loss JPN Yamaguchi Yusui 2643.41
A Black Loss JPN Tanaka Koichi 2357.19
A Black Win JPN Hiwatashi Kikuma 1908.34
42nd Meijinsen Qualification: Kyushu 2nd round
Date 2004-05-22 Rating 2365.59
Round Color Result Opponent
White Win JPN Sakashita Shoichi 2204.22
Black Loss JPN Nishimura Toshio 2361.96
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2385.28
Round Color Result Opponent
1 Black Win JPN Kudomi Takahiro 2342.23
2 White Draw JPN Isobe Taizan 2418.70
3 White Loss JPN Hasegawa Kazuto 2627.84
4 Black Win JPN Iio Yoshihiro 2498.96
5 Black Loss JPN Matsuura Hiroshi 2410.51
6 Black Win JPN Miyagawa Junzo 2262.83
7 Black Win JPN Takashima Junya 2343.26
8 White Loss JPN Okabe Hiroshi 2552.79
9 White Draw JPN Ishitani Shin-ichi 2385.14
41st Meijinsen Qualification: Kyushu 2nd round
Date 2003-05-25 Rating 2381.91
Round Color Result Opponent
White Win JPN Fujinami Hisao 2310.02
Black Win JPN Tanaka Tadanobu 2103.42
Black Win JPN Sakashita Shoichi 2182.40
41st Meijinsen Qualification: Kyushu - 1st round Group B
Date 2003-04-20 Rating 2377.74
Round Color Result Opponent
White Win JPN Sakashita Shoichi 2184.91
Black Win JPN Tanaka Koichi 2210.32
Black Win JPN Sagara Satoshi 1501.08
Black Win JPN Kawano Masatoshi 1776.63
Black Win JPN Nishida Yasuji 1934.25
40th Meijinsen Qualification: Kyushu 2nd round
Date 2002-06-02 Rating 2316.66
Round Color Result Opponent
White Draw JPN Nishimura Toshio 2365.41
White Loss JPN Sakashita Shoichi 2204.85
White Loss JPN Fujinami Hisao 2282.98
Meijinsen Qualification: Kyushu 1st Group B
Date 2000-04-09 Rating 2266.75
Round Color Result Opponent
Black Loss JPN Nishimura Toshio 2357.22
Black Win JPN Nishida Yasuji 1957.37
Black Win JPN Sakai Kazuyuki 1801.31
Black Win JPN Sagara Satoshi 1553.20
Black Win JPN Sakashita Shoichi 2166.08