Kobayashi Koichi, Japan - Renju Rating

JPN Kobayashi Koichi (小林高一)

Place: Fukushima, Japan

Rating: 2285.73, Std: 283.37, Rank: -

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

Top rating: 2295.79 (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 2285.73
Round Color Result Opponent
1 White Loss JPN Miyagawa Junzo 2248.61
2 White Loss JPN Hata Masayuki 2188.19
4 White Win JPN Mano Yoshihisa 2364.71
5 Black Loss JPN Tachi Masaya 2486.94
6 Black Win JPN Kubo Izumi 2085.65
32nd Aomori Championship
Date 2015-07-05 Rating 2286.69
Round Color Result Opponent
1 Black Win JPN Yamamoto Harue 1691.87
2 White Win JPN Miyamoto Syunju 2087.66
3 Black Draw JPN Tanno Yoshitaka 2164.86
4 White Win JPN Gakumazawa Hideaki 2191.23
5 Black Loss JPN Ooshina Seiichi 2027.60
7th Tohoku Championship
Date 2015-04-12 Rating 2295.30
Round Color Result Opponent
1 White Win JPN Miyamoto Syunju 2056.91
2 Black Win JPN Ishitani Shin-ichi 2424.39
3 Black Loss JPN Okabe Hiroshi 2739.33
4 Black Win JPN Kusajima Masato 2258.73
5 White Loss JPN Gakumazawa Hideaki 2190.87
10th All Japan Championship
Date 2015-03-29 Rating 2295.79
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2747.58
2 Black Win JPN Kon Akira 1985.00
3 Black Win JPN Nagao Noriaki 2280.80
4 Black Loss JPN Tamada Yoichi 2586.26
5 White Win JPN Ono Takayuki 2336.72
6 White Loss JPN Sato Kiyotomi 2502.89
Sendai Memorial Cup
Date 2015-03-01 Rating 2294.53
Round Color Result Opponent
1 White Win JPN Kusajima Masato 2256.89
2 Black Win JPN Miyamoto Syunju 2047.04
3 Black Win JPN Miura Hitoshi 1793.46
4 Black Win JPN Gakumazawa Hideaki 2186.94
5 Black Win JPN Hirono Masakazu 1985.62
6 White Win JPN Seiryu Masanori 1988.14
33th Aomori Meijinsen
Date 2014-11-09 Rating 2272.87
Round Color Result Opponent
1 Black Win JPN Yamamoto Harue 1712.72
2 Black Win JPN Gakumazawa Hideaki 2172.82
3 White Win JPN Koseki Kenshou 1699.78
4 Black Win JPN Tanno Yoshitaka 2166.38
5 White Win JPN Shimoda Hiroyasu 1577.99
1st Senior Masters Championship
Date 2014-08-29 Rating 2252.52
Round Color Result Opponent
1 White Win JPN Kubo Izumi 2091.63
2 White Loss JPN Kato Yasuhiro 2091.39
3 White Loss JPN Isobe Taizan 2433.20
4 Black Loss JPN Miyagawa Junzo 2221.34
5 Black Win JPN Miura Hitoshi 1802.33
6 Black Loss JPN Mitsumori Masao 2339.88
7 Black Loss JPN Ishitani Shin-ichi 2454.03
31th Kanto Championship
Date 2014-05-11 Rating 2243.25
Round Color Result Opponent
1 Black Win JPN Demachi Koichiro 1949.00
2 Black Loss JPN Okabe Hiroshi 2757.85
3 Black Win JPN Tada Ayako 2314.70
4 Black Loss JPN Ishitani Shin-ichi 2457.24
5 Black Loss JPN Ono Takayuki 2382.22
6th Tohoku Championship
Date 2014-04-20 Rating 2241.08
Round Color Result Opponent
1 Black Loss JPN Sato Kiyotomi 2470.43
2 Black Loss JPN Gakumazawa Hideaki 2163.23
3 Black Win JPN Miura Hitoshi 1802.27
4 White Win JPN Kusajima Masato 2236.17
6 Black Win JPN Hirono Masakazu 1987.80
7 Black Loss JPN Okabe Hiroshi 2759.13
9th All Japan Championship
Date 2014-01-26 Rating 2233.46
Round Color Result Opponent
1 White Loss JPN Fukui Nobuhiro 2612.86
2 White Loss KOR Kim Chang-Su 2070.83
3 Black Win JPN Miyagawa Junzo 2202.82
4 Black Loss JPN Kubo Izumi 2114.99
5 Black Win JPN Maruyama Yasushi 2293.30
6 White Loss JPN Nakayama Tomoharu 2675.21
11th Middle-dan players Tournament
Date 2013-08-17 Rating 2228.03
Round Color Result Opponent
1 Black Loss JPN Tamada Yoichi 2509.17
2 White Win JPN Kubo Izumi 2095.35
3 Black Win JPN Mano Yoshihisa 2316.09
4 Black Draw JPN Nagao Noriaki 2378.28
5 Black Loss JPN Nakayama Tomoharu 2653.29
6 Black Win JPN Maruta Hiroki 2138.84
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2217.17
Round Color Result Opponent
1 Black Loss JPN Kudomi Takahiro 2404.84
2 Black Loss JPN Mitsumori Masao 2335.61
3 Black Loss JPN Ono Takayuki 2388.16
4 White Loss JPN Isobe Taizan 2394.33
5th Tohoku Championship
Date 2013-04-14 Rating 2214.01
Round Color Result Opponent
1 Black Win JPN Nakamura Shigeru 2866.88
2 Black Loss JPN Maruta Hiroki 2147.76
3 Black Loss JPN Kudomi Takahiro 2419.21
4 Black Loss JPN Hirono Masakazu 2009.45
5 Black Win JPN Miura Hitoshi 1828.23
8th All Japan Championship
Date 2013-03-24 Rating 2214.17
Round Color Result Opponent
1 Black Loss JPN Okabe Hiroshi 2734.72
2 White Loss JPN Fujikawa Masaki 2031.28
3 Black Win JPN Tomobe Katsuhiro 2164.64
4 White Draw JPN Iwano Fumio 2172.63
5 Black Loss JPN Nagao Noriaki 2390.48
6 Black Win JPN Tada Ayako 2290.95
16th Mikami Cup Tournament
Date 2013-01-20 Rating 2215.19
Round Color Result Opponent
S1 White Loss JPN Isobe Taizan 2409.49
S3 Black Loss JPN Mitsumori Masao 2345.39
S4 Black Loss JPN Kudomi Takahiro 2423.33
S5 White Loss JPN Nagao Noriaki 2393.31
10th Middle-dan players Tournament
Date 2012-08-26 Rating 2234.91
Round Color Result Opponent
1 White Loss JPN Nagao Noriaki 2395.58
2 Black Win JPN Suzuki Junichiro 1921.05
3 White Win JPN Kato Yasuhiro 2100.92
4 Black Win JPN Miyagawa Junzo 2215.11
5 Black Win JPN Kashihara Akihiko 2312.76
6 White Loss JPN Ono Takayuki 2436.52
50 Meijinsen Qualification East-Japan area 2nd round
Date 2012-07-08 Rating 2235.95
Round Color Result Opponent
1 White Loss JPN Nakamura Shigeru 2886.41
2 White Loss JPN Kudomi Takahiro 2426.93
3 Black Loss JPN Ono Takayuki 2435.62
30th Aomori Championship
Date 2012-07-01 Rating 2236.50
Round Color Result Opponent
1 White Win JPN Yamamoto Yuuichi 1698.51
2 Black Win JPN Miura Hitoshi 1902.50
3 Black Win JPN Tanno Yoshitaka 2148.90
4 White Win JPN Yamamoto Harue 1700.08
5 White Win KOR Kim Chang-Su 2037.81
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2236.10
Round Color Result Opponent
1 Black Win JPN Isobe Taizan 2411.04
2 White Win JPN Ono Takayuki 2432.41
3 Black Loss JPN Kudomi Takahiro 2429.64
4 Black Win JPN Iwano Fumio 2135.11
4th Tohoku Championship
Date 2012-04-08 Rating 2225.35
Round Color Result Opponent
1 Black Loss JPN Sato Kiyotomi 2400.50
2 White Win JPN Suzuki Junichiro 1938.09
3 Black Win JPN Maruta Koji 2126.64
4 Black Win JPN Hirono Masakazu 1997.56
5 White Draw JPN Gakumazawa Hideaki 2121.71
15th Mikami Cup Tournament
Date 2012-03-11 Rating 2218.97
Round Color Result Opponent
S1 Black Loss JPN Nakamura Shigeru 2881.08
S2 White Loss JPN Isobe Taizan 2423.24
S3 Black Loss JPN Kudomi Takahiro 2428.68
S4 Black Win JPN Tadokoro Hosai 1860.51
S5 White Loss JPN Oosumi Yuuki 2795.42
7th All Japan Championship
Date 2012-01-29 Rating 2211.32
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2605.40
2 Black Win JPN Matsuoka Teruo 2008.24
3 Black Loss JPN Mitsumori Masao 2372.08
4 White Win JPN Fujikawa Masaki 2075.08
5 Black Loss JPN Kamiya Shunsuke 2461.77
6 White Win JPN Kato Yasuhiro 2073.16
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2190.28
Round Color Result Opponent
1 Black Loss JPN Mitsumori Masao 2365.53
2 White Loss JPN Fukui Nobuhiro 2474.41
3 White Win JPN Suzuki Rin 1992.42
4 Black Win JPN Kato Yasuhiro 2074.04
51 Suiseisen Tournament
Date 2011-09-11 Rating 2180.55
Round Color Result Opponent
1 White Loss JPN Tada Ayako 2250.13
2 White Win JPN Iwano Fumio 2123.73
3 Black Loss JPN Maruta Hiroki 2096.58
4 White Win JPN Suzuki Rin 1989.99
3rd Tohoku Championship
Date 2011-02-27 Rating 2142.81
Round Color Result Opponent
2 White Loss JPN Tamada Yoichi 2515.86
3 Black Win JPN Hirono Masakazu 1985.70
4 Black Loss JPN Ishitani Shin-ichi 2394.06
5 Black Win JPN Tanno Yoshitaka 2101.66
14th Mikami Cup Tournament
Date 2011-01-30 Rating 2136.07
Round Color Result Opponent
A1 White Loss JPN Nakayama Tomoharu 2537.16
A2 Black Loss JPN Suzuki Rin 1996.24
A3 Black Win JPN Kon Akira 2001.40
A4 White Loss JPN Fujikawa Masaki 2096.44
A5 Black Win JPN Omata Mitsuo 1709.33
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2123.70
Round Color Result Opponent
1 Black Loss JPN Kamiya Shunsuke 2370.57
2 White Loss JPN Shimoyama Takuma 2242.06
3 White Loss JPN Tada Ayako 2204.12
4 Black Loss JPN Suzuki Rin 1990.14
5th All Japan Championship
Date 2010-03-21 Rating 2133.08
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2702.94
2 White Draw JPN Kusajima Masato 2169.97
3 Black Win JPN Mitsumori Masao 2293.49
4 Black Win JPN Miyoshi Takeo 2112.41
5 White Loss JPN Nagao Noriaki 2374.22
6 Black Loss JPN Nakayama Tomoharu 2435.95
2nd Tohoku Championship
Date 2010-03-14 Rating 2132.71
Round Color Result Opponent
1 Black Win JPN Sato Kiyotomi 2419.40
2 Black Loss JPN Kusajima Masato 2170.61
3 Black Loss JPN Seiryu Masanori 1987.25
4 Black Loss JPN Gakumazawa Hideaki 2130.85
5 Black Win JPN Sato Ryota 1498.39
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2134.13
Round Color Result Opponent
A1 White Loss JPN Matsuoka Teruo 1967.22
A2 Black Win JPN Kon Akira 1973.53
A3 Black Win JPN Tanji Hiroki 2057.86
A4 White Win JPN Kimura Kenichiro 2198.42
A5 White Loss JPN Tamada Yoichi 2436.51
8th Middle-dan Players Tournament
Date 2009-08-30 Rating 2132.59
Round Color Result Opponent
1 White Loss JPN Gakumazawa Hideaki 2139.64
2 Black Win JPN Yamamoto Yasuhiro 2148.98
3 White Win JPN Kato Yasuhiro 2050.39
4 White Loss JPN Ono Takayuki 2404.10
5 Black Win JPN Miyagawa Junzo 2203.30
6 Black Loss JPN Sato Kiyotomi 2435.18
4th All Japan Championship
Date 2009-03-21 Rating 2118.44
Round Color Result Opponent
1 Black Loss JPN Oosumi Yuuki 2612.68
2 Black Win JPN Kuramoto Hideharu 1899.81
3 White Loss JPN Sato Kiyotomi 2450.55
4 Black Loss JPN Maruta Hiroki 2093.65
5 Black Win JPN Kato Yasuhiro 2016.40
6 Black Loss JPN Miyoshi Takeo 2212.15
1st Tohoku Championship
Date 2009-02-22 Rating 2117.61
Round Color Result Opponent
1 Black Loss JPN Ishitani Shin-ichi 2392.33
3 Black Win JPN Sato Ryota 1525.54
4 Black Win JPN Miura Hitoshi 1937.23
5 White Loss JPN Sato Kiyotomi 2452.94
12th Mikami Cup Tournament
Date 2009-01-18 Rating 2116.55
Round Color Result Opponent
A1 Black Win JPN Matsuoka Teruo 1903.55
A2 White Win JPN Iwano Fumio 2169.09
A3 White Loss JPN Gakumazawa Hideaki 2175.20
A4 Black Loss JPN Fujikawa Masaki 2081.12
A5 Black Win JPN Maruta Hiroki 2082.92
9th Kanto Renju Emperor Tournament, 1st round
Date 2008-10-26 Rating 2111.33
Round Color Result Opponent
1 White Win JPN Kasai Takayuki 1833.77
2 Black Loss JPN Ishitani Shin-ichi 2397.94
3 Black Loss JPN Watanabe Tatsuya 2176.07
4 White Win JPN Tada Ayako 2007.24
7th 6-7 dan Tournament
Date 2008-09-28 Rating 2109.73
Round Color Result Opponent
1 White Loss JPN Tamura Kazumasa 2471.40
2 White Win JPN Kato Yasuhiro 1998.11
3 White Win JPN Gakumazawa Hideaki 2179.23
4 Black Loss JPN Ono Takayuki 2410.64
5 Black Loss JPN Tanno Yoshitaka 2119.26
25th Kanto Championship
Date 2008-05-18 Rating 2099.26
Round Color Result Opponent
1 Black Loss JPN Isobe Taizan 2426.09
2 Black Win JPN Fujikawa Masaki 2094.66
3 Black Draw JPN Kubo Izumi 2102.46
4 White Loss JPN Maruta Koji 2093.13
5 Black Loss JPN Iwano Fumio 2184.53
25th Kanto Shineisen Tournament
Date 2008-04-13 Rating 2098.53
Round Color Result Opponent
1 White Loss JPN Tamada Yoichi 2214.26
2 Black Win JPN Watanabe Yoko 2055.93
3 Black Win JPN Matsuoka Teruo 1879.20
4 White Win JPN Watanabe Tatsuya 2156.94
5 Black Loss JPN Fujikawa Masaki 2104.59
11th Mikami Cup Tournament, A-Class
Date 2008-01-20 Rating 2092.95
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2111.76
2 White Loss JPN Tamada Yoichi 2191.00
3 White Win JPN Matsuoka Teruo 1876.75
4 Black Loss JPN Tanizaki Ryusuke 2125.51
4 White Loss JPN Takeuchi Shunsuke 1949.16
10th Mikami Cup Tournament, A-class
Date 2007-01-28 Rating 2099.39
Round Color Result Opponent
1 Black Win JPN Tanizaki Ryusuke 2130.61
2 Black Loss JPN Fujikawa Masaki 2093.11
3 Black Win JPN Oonuma Nobuhiro 1833.64
4 White Win JPN Kato Yasuhiro 1980.23
5 White Loss JPN Koyama Jun 2366.14
9th Mikami Cup - A Class
Date 2006-01-29 Rating 2090.93
Round Color Result Opponent
1 White Win JPN Kamemoto Daichi 2185.51
2 Black Loss JPN Itami Yoshiyuki 2169.74
3 White Win JPN Ozawa Tetsushi 2016.07
4 Black Loss JPN Watanabe Tatsuya 2134.26
5 White Loss JPN Tomobe Katsuhiro 2092.87
45th Suisei-sen Tournament
Date 2005-03-20 Rating 2094.00
Round Color Result Opponent
1 Black Loss JPN Ishizaki Masatoshi 1924.17
2 Black Win JPN Nakata Shinsuke 1934.47
3 White Win JPN Kamemoto Daichi 2114.24
4 White Loss JPN Koyama Jun 2269.68
5th 6-7 dan Tournament
Date 2004-12-05 Rating 2097.12
Round Color Result Opponent
1 Black Loss JPN Arita Nobuyoshi 2281.56
2 Black Win JPN Tadokoro Hosai 1927.20
3 Black Win JPN Miyagawa Junzo 2256.46
4 White Loss JPN Sato Kiyotomi 2368.82
5 White Win JPN Yamamoto Yasuhiro 2046.74
6 White Loss JPN Kudomi Takahiro 2332.01