Kobayashi Koichi, Japan - Renju Rating

JPN Kobayashi Koichi (小林高一)

Place: Fukushima, Japan

Rating: 2284.41, Std: 274.00, Rank: -

First game: 2004-12-05, Last game: 2015-07-20

Top rating: 2294.46 (2015-03-29)

Games: 217, Wins: 102, Draws: 6, Losses: 109

Gy1: 0, Gy2: 0, Gy5: 0

12th Middle-dan Players Tournament
Date 2015-07-20 Rating 2284.41
Round Color Result Opponent
1 White Loss JPN Miyagawa Junzo 2246.21
2 White Loss JPN Hata Masayuki 2185.18
4 White Win JPN Mano Yoshihisa 2362.15
5 Black Loss JPN Tachi Masaya 2484.16
6 Black Win JPN Kubo Izumi 2083.07
32nd Aomori Championship
Date 2015-07-05 Rating 2285.39
Round Color Result Opponent
1 Black Win JPN Yamamoto Harue 1692.00
2 White Win JPN Miyamoto Syunju 2087.26
3 Black Draw JPN Tanno Yoshitaka 2164.00
4 White Win JPN Gakumazawa Hideaki 2190.53
5 Black Loss JPN Ooshina Seiichi 2035.99
7th Tohoku Championship
Date 2015-04-12 Rating 2293.97
Round Color Result Opponent
1 White Win JPN Miyamoto Syunju 2056.61
2 Black Win JPN Ishitani Shin-ichi 2422.10
3 Black Loss JPN Okabe Hiroshi 2736.76
4 Black Win JPN Kusajima Masato 2257.18
5 White Loss JPN Gakumazawa Hideaki 2190.21
10th All Japan Championship
Date 2015-03-29 Rating 2294.46
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2745.07
2 Black Win JPN Kon Akira 1982.52
3 Black Win JPN Nagao Noriaki 2278.56
4 Black Loss JPN Tamada Yoichi 2583.54
5 White Win JPN Ono Takayuki 2334.30
6 White Loss JPN Sato Kiyotomi 2500.33
Sendai Memorial Cup
Date 2015-03-01 Rating 2293.20
Round Color Result Opponent
1 White Win JPN Kusajima Masato 2255.41
2 Black Win JPN Miyamoto Syunju 2046.76
3 Black Win JPN Miura Hitoshi 1793.73
4 Black Win JPN Gakumazawa Hideaki 2186.29
5 Black Win JPN Hirono Masakazu 1989.98
6 White Win JPN Seiryu Masanori 1988.46
33th Aomori Meijinsen
Date 2014-11-09 Rating 2271.51
Round Color Result Opponent
1 Black Win JPN Yamamoto Harue 1712.79
2 Black Win JPN Gakumazawa Hideaki 2172.16
3 White Win JPN Koseki Kenshou 1700.92
4 Black Win JPN Tanno Yoshitaka 2165.58
5 White Win JPN Shimoda Hiroyasu 1578.26
1st Senior Masters Championship
Date 2014-08-29 Rating 2251.11
Round Color Result Opponent
1 White Win JPN Kubo Izumi 2089.41
2 White Loss JPN Kato Yasuhiro 2089.48
3 White Loss JPN Isobe Taizan 2431.53
4 Black Loss JPN Miyagawa Junzo 2219.16
5 Black Win JPN Miura Hitoshi 1802.39
6 Black Loss JPN Mitsumori Masao 2337.65
7 Black Loss JPN Ishitani Shin-ichi 2451.97
31th Kanto Championship
Date 2014-05-11 Rating 2241.81
Round Color Result Opponent
1 Black Win JPN Demachi Koichiro 1946.83
2 Black Loss JPN Okabe Hiroshi 2755.84
3 Black Win JPN Tada Ayako 2312.94
4 Black Loss JPN Ishitani Shin-ichi 2455.31
5 Black Loss JPN Ono Takayuki 2380.32
6th Tohoku Championship
Date 2014-04-20 Rating 2239.64
Round Color Result Opponent
1 Black Loss JPN Sato Kiyotomi 2468.39
2 Black Loss JPN Gakumazawa Hideaki 2162.56
3 Black Win JPN Miura Hitoshi 1802.27
4 White Win JPN Kusajima Masato 2234.92
6 Black Win JPN Hirono Masakazu 1990.50
7 Black Loss JPN Okabe Hiroshi 2757.15
9th All Japan Championship
Date 2014-01-26 Rating 2231.97
Round Color Result Opponent
1 White Loss JPN Fukui Nobuhiro 2610.40
2 White Loss KOR Kim Chang-Su 2068.62
3 Black Win JPN Miyagawa Junzo 2200.82
4 Black Loss JPN Kubo Izumi 2112.95
5 Black Win JPN Maruyama Yasushi 2291.12
6 White Loss JPN Nakayama Tomoharu 2673.30
11th Middle-dan players Tournament
Date 2013-08-17 Rating 2226.53
Round Color Result Opponent
1 Black Loss JPN Tamada Yoichi 2507.07
2 White Win JPN Kubo Izumi 2093.41
3 Black Win JPN Mano Yoshihisa 2314.10
4 Black Draw JPN Nagao Noriaki 2376.41
5 Black Loss JPN Nakayama Tomoharu 2651.43
6 Black Win JPN Maruta Hiroki 2137.02
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2215.69
Round Color Result Opponent
1 Black Loss JPN Kudomi Takahiro 2403.11
2 Black Loss JPN Mitsumori Masao 2333.78
3 Black Loss JPN Ono Takayuki 2386.46
4 White Loss JPN Isobe Taizan 2392.75
5th Tohoku Championship
Date 2013-04-14 Rating 2212.56
Round Color Result Opponent
1 Black Win JPN Nakamura Shigeru 2865.01
2 Black Loss JPN Maruta Hiroki 2146.04
3 Black Loss JPN Kudomi Takahiro 2417.51
4 Black Loss JPN Hirono Masakazu 2010.85
5 Black Win JPN Miura Hitoshi 1828.00
8th All Japan Championship
Date 2013-03-24 Rating 2212.72
Round Color Result Opponent
1 Black Loss JPN Okabe Hiroshi 2732.89
2 White Loss JPN Fujikawa Masaki 2029.43
3 Black Win JPN Tomobe Katsuhiro 2162.87
4 White Draw JPN Iwano Fumio 2170.95
5 Black Loss JPN Nagao Noriaki 2388.71
6 Black Win JPN Tada Ayako 2289.26
16th Mikami Cup Tournament
Date 2013-01-20 Rating 2213.74
Round Color Result Opponent
S1 White Loss JPN Isobe Taizan 2407.92
S3 Black Loss JPN Mitsumori Masao 2343.67
S4 Black Loss JPN Kudomi Takahiro 2421.66
S5 White Loss JPN Nagao Noriaki 2391.58
10th Middle-dan players Tournament
Date 2012-08-26 Rating 2233.52
Round Color Result Opponent
1 White Loss JPN Nagao Noriaki 2393.94
2 Black Win JPN Suzuki Junichiro 1919.34
3 White Win JPN Kato Yasuhiro 2099.37
4 Black Win JPN Miyagawa Junzo 2213.47
5 Black Win JPN Kashihara Akihiko 2310.94
6 White Loss JPN Ono Takayuki 2434.94
50 Meijinsen Qualification East-Japan area 2nd round
Date 2012-07-08 Rating 2234.59
Round Color Result Opponent
1 White Loss JPN Nakamura Shigeru 2884.65
2 White Loss JPN Kudomi Takahiro 2425.35
3 Black Loss JPN Ono Takayuki 2434.06
30th Aomori Championship
Date 2012-07-01 Rating 2235.14
Round Color Result Opponent
1 White Win JPN Yamamoto Yuuichi 1698.11
2 Black Win JPN Miura Hitoshi 1902.10
3 Black Win JPN Tanno Yoshitaka 2148.17
4 White Win JPN Yamamoto Harue 1699.86
5 White Win KOR Kim Chang-Su 2036.18
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2234.75
Round Color Result Opponent
1 Black Win JPN Isobe Taizan 2409.54
2 White Win JPN Ono Takayuki 2430.87
3 Black Loss JPN Kudomi Takahiro 2428.09
4 Black Win JPN Iwano Fumio 2133.61
4th Tohoku Championship
Date 2012-04-08 Rating 2224.03
Round Color Result Opponent
1 Black Loss JPN Sato Kiyotomi 2398.96
2 White Win JPN Suzuki Junichiro 1936.51
3 Black Win JPN Maruta Koji 2125.22
4 Black Win JPN Hirono Masakazu 1998.15
5 White Draw JPN Gakumazawa Hideaki 2120.82
15th Mikami Cup Tournament
Date 2012-03-11 Rating 2217.67
Round Color Result Opponent
S1 Black Loss JPN Nakamura Shigeru 2879.39
S2 White Loss JPN Isobe Taizan 2421.77
S3 Black Loss JPN Kudomi Takahiro 2427.18
S4 Black Win JPN Tadokoro Hosai 1859.53
S5 White Loss JPN Oosumi Yuuki 2793.71
7th All Japan Championship
Date 2012-01-29 Rating 2210.03
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2603.79
2 Black Win JPN Matsuoka Teruo 2007.03
3 Black Loss JPN Mitsumori Masao 2370.58
4 White Win JPN Fujikawa Masaki 2073.61
5 Black Loss JPN Kamiya Shunsuke 2460.28
6 White Win JPN Kato Yasuhiro 2071.75
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2189.03
Round Color Result Opponent
1 Black Loss JPN Mitsumori Masao 2364.10
2 White Loss JPN Fukui Nobuhiro 2472.91
3 White Win JPN Suzuki Rin 1991.13
4 Black Win JPN Kato Yasuhiro 2072.69
51 Suiseisen Tournament
Date 2011-09-11 Rating 2179.33
Round Color Result Opponent
1 White Loss JPN Tada Ayako 2248.76
2 White Win JPN Iwano Fumio 2122.39
3 Black Loss JPN Maruta Hiroki 2095.24
4 White Win JPN Suzuki Rin 1988.71
3rd Tohoku Championship
Date 2011-02-27 Rating 2141.70
Round Color Result Opponent
2 White Loss JPN Tamada Yoichi 2514.53
3 Black Win JPN Hirono Masakazu 1985.79
4 Black Loss JPN Ishitani Shin-ichi 2392.77
5 Black Win JPN Tanno Yoshitaka 2100.96
14th Mikami Cup Tournament
Date 2011-01-30 Rating 2134.97
Round Color Result Opponent
A1 White Loss JPN Nakayama Tomoharu 2535.81
A2 Black Loss JPN Suzuki Rin 1995.07
A3 Black Win JPN Kon Akira 2000.17
A4 White Loss JPN Fujikawa Masaki 2095.23
A5 Black Win JPN Omata Mitsuo 1708.43
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2122.65
Round Color Result Opponent
1 Black Loss JPN Kamiya Shunsuke 2369.26
2 White Loss JPN Shimoyama Takuma 2241.03
3 White Loss JPN Tada Ayako 2202.95
4 Black Loss JPN Suzuki Rin 1989.01
5th All Japan Championship
Date 2010-03-21 Rating 2132.13
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2701.71
2 White Draw JPN Kusajima Masato 2169.05
3 Black Win JPN Mitsumori Masao 2292.40
4 Black Win JPN Miyoshi Takeo 2111.35
5 White Loss JPN Nagao Noriaki 2373.12
6 Black Loss JPN Nakayama Tomoharu 2434.74
2nd Tohoku Championship
Date 2010-03-14 Rating 2131.76
Round Color Result Opponent
1 Black Win JPN Sato Kiyotomi 2418.27
2 Black Loss JPN Kusajima Masato 2169.69
3 Black Loss JPN Seiryu Masanori 1987.14
4 Black Loss JPN Gakumazawa Hideaki 2130.12
5 Black Win JPN Sato Ryota 1498.11
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2133.20
Round Color Result Opponent
A1 White Loss JPN Matsuoka Teruo 1966.27
A2 Black Win JPN Kon Akira 1972.55
A3 Black Win JPN Tanji Hiroki 2057.04
A4 White Win JPN Kimura Kenichiro 2197.44
A5 White Loss JPN Tamada Yoichi 2435.54
8th Middle-dan Players Tournament
Date 2009-08-30 Rating 2131.73
Round Color Result Opponent
1 White Loss JPN Gakumazawa Hideaki 2138.92
2 Black Win JPN Yamamoto Yasuhiro 2148.00
3 White Win JPN Kato Yasuhiro 2049.51
4 White Loss JPN Ono Takayuki 2403.11
5 Black Win JPN Miyagawa Junzo 2202.49
6 Black Loss JPN Sato Kiyotomi 2434.15
4th All Japan Championship
Date 2009-03-21 Rating 2117.65
Round Color Result Opponent
1 Black Loss JPN Oosumi Yuuki 2611.95
2 Black Win JPN Kuramoto Hideharu 1898.96
3 White Loss JPN Sato Kiyotomi 2449.60
4 Black Loss JPN Maruta Hiroki 2092.82
5 Black Win JPN Kato Yasuhiro 2015.59
6 Black Loss JPN Miyoshi Takeo 2211.28
1st Tohoku Championship
Date 2009-02-22 Rating 2116.83
Round Color Result Opponent
1 Black Loss JPN Ishitani Shin-ichi 2391.54
3 Black Win JPN Sato Ryota 1525.26
4 Black Win JPN Miura Hitoshi 1936.78
5 White Loss JPN Sato Kiyotomi 2452.00
12th Mikami Cup Tournament
Date 2009-01-18 Rating 2115.79
Round Color Result Opponent
A1 Black Win JPN Matsuoka Teruo 1902.76
A2 White Win JPN Iwano Fumio 2168.28
A3 White Loss JPN Gakumazawa Hideaki 2174.52
A4 Black Loss JPN Fujikawa Masaki 2080.33
A5 Black Win JPN Maruta Hiroki 2082.12
9th Kanto Renju Emperor Tournament, 1st round
Date 2008-10-26 Rating 2110.61
Round Color Result Opponent
1 White Win JPN Kasai Takayuki 1833.41
2 Black Loss JPN Ishitani Shin-ichi 2397.22
3 Black Loss JPN Watanabe Tatsuya 2175.39
4 White Win JPN Tada Ayako 2006.42
7th 6-7 dan Tournament
Date 2008-09-28 Rating 2109.02
Round Color Result Opponent
1 White Loss JPN Tamura Kazumasa 2471.03
2 White Win JPN Kato Yasuhiro 1997.38
3 White Win JPN Gakumazawa Hideaki 2178.57
4 Black Loss JPN Ono Takayuki 2409.87
5 Black Loss JPN Tanno Yoshitaka 2118.64
25th Kanto Championship
Date 2008-05-18 Rating 2098.60
Round Color Result Opponent
1 Black Loss JPN Isobe Taizan 2425.26
2 Black Win JPN Fujikawa Masaki 2093.99
3 Black Draw JPN Kubo Izumi 2102.29
4 White Loss JPN Maruta Koji 2092.40
5 Black Loss JPN Iwano Fumio 2183.82
25th Kanto Shineisen Tournament
Date 2008-04-13 Rating 2097.88
Round Color Result Opponent
1 White Loss JPN Tamada Yoichi 2213.91
2 Black Win JPN Watanabe Yoko 2055.36
3 Black Win JPN Matsuoka Teruo 1878.52
4 White Win JPN Watanabe Tatsuya 2156.31
5 Black Loss JPN Fujikawa Masaki 2103.93
11th Mikami Cup Tournament, A-Class
Date 2008-01-20 Rating 2092.32
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2111.14
2 White Loss JPN Tamada Yoichi 2190.60
3 White Win JPN Matsuoka Teruo 1876.09
4 Black Loss JPN Tanizaki Ryusuke 2124.88
4 White Loss JPN Takeuchi Shunsuke 1948.59
10th Mikami Cup Tournament, A-class
Date 2007-01-28 Rating 2098.86
Round Color Result Opponent
1 Black Win JPN Tanizaki Ryusuke 2130.13
2 Black Loss JPN Fujikawa Masaki 2092.63
3 Black Win JPN Oonuma Nobuhiro 1833.27
4 White Win JPN Kato Yasuhiro 1979.73
5 White Loss JPN Koyama Jun 2365.55
9th Mikami Cup - A Class
Date 2006-01-29 Rating 2090.49
Round Color Result Opponent
1 White Win JPN Kamemoto Daichi 2185.15
2 Black Loss JPN Itami Yoshiyuki 2169.39
3 White Win JPN Ozawa Tetsushi 2015.70
4 Black Loss JPN Watanabe Tatsuya 2133.86
5 White Loss JPN Tomobe Katsuhiro 2092.47
45th Suisei-sen Tournament
Date 2005-03-20 Rating 2093.62
Round Color Result Opponent
1 Black Loss JPN Ishizaki Masatoshi 1923.87
2 Black Win JPN Nakata Shinsuke 1934.16
3 White Win JPN Kamemoto Daichi 2113.93
4 White Loss JPN Koyama Jun 2269.34
5th 6-7 dan Tournament
Date 2004-12-05 Rating 2096.75
Round Color Result Opponent
1 Black Loss JPN Arita Nobuyoshi 2281.25
2 Black Win JPN Tadokoro Hosai 1926.89
3 Black Win JPN Miyagawa Junzo 2256.27
4 White Loss JPN Sato Kiyotomi 2368.52
5 White Win JPN Yamamoto Yasuhiro 2046.43
6 White Loss JPN Kudomi Takahiro 2331.79