JPN Kobayashi Koichi

Place: Fukushima, Japan

Rating: 2213.24, Rank: -

First game: 2008-01-20, Last game: 2015-07-20

Top rating: 2219.35 (2015-03-29)

Games: 178, Wins: 84, Draws: 5, Losses: 89

Gy1: 0, Gy2: 0, Gy5: 0

12th Middle-dan Players Tournament
Date 2015-07-20 Rating 2213.24
Round Color Result Opponent
1 White Loss JPN Miyagawa Junzo 2169.44
2 White Loss JPN Hata Masayuki 2120.28
4 White Win JPN Mano Yoshihisa 2285.38
5 Black Loss JPN Tachi Masaya 2409.89
6 Black Win JPN Kubo Izumi 2019.65
32nd Aomori Championship
Date 2015-07-05 Rating 2213.90
Round Color Result Opponent
1 Black Win JPN Yamamoto Harue 1647.71
2 White Win JPN Miyamoto Syunju 2047.05
3 Black Draw JPN Tanno Yoshitaka 2103.19
4 White Win JPN Gakumazawa Hideaki 2123.08
5 Black Loss JPN Ooshina Seiichi 1985.87
7th Tohoku Championship
Date 2015-04-12 Rating 2219.17
Round Color Result Opponent
1 White Win JPN Miyamoto Syunju 2024.80
2 Black Win JPN Ishitani Shin-ichi 2347.30
3 Black Loss JPN Okabe Hiroshi 2654.60
4 Black Win JPN Kusajima Masato 2187.89
5 White Loss JPN Gakumazawa Hideaki 2122.24
10th All Japan Championship
Date 2015-03-29 Rating 2219.35
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2659.80
2 Black Win JPN Kon Akira 1922.43
3 Black Win JPN Nagao Noriaki 2235.35
4 Black Loss JPN Tamada Yoichi 2495.00
5 White Win JPN Ono Takayuki 2268.00
6 White Loss JPN Sato Kiyotomi 2416.28
Sendai Memorial Cup
Date 2015-03-01 Rating 2218.14
Round Color Result Opponent
1 White Win JPN Kusajima Masato 2186.51
2 Black Win JPN Miyamoto Syunju 2017.83
3 Black Win JPN Miura Hitoshi 1749.45
4 Black Win JPN Gakumazawa Hideaki 2119.19
5 Black Win JPN Hirono Masakazu 1945.99
6 White Win JPN Seiryu Masanori 1940.91
33th Aomori Meijinsen
Date 2014-11-09 Rating 2201.17
Round Color Result Opponent
1 Black Win JPN Yamamoto Harue 1662.55
2 Black Win JPN Gakumazawa Hideaki 2107.96
3 White Win JPN Koseki Kenshou 1655.53
4 Black Win JPN Tanno Yoshitaka 2102.72
5 White Win JPN Shimoda Hiroyasu 1542.36
1st Senior Masters Championship
Date 2014-08-29 Rating 2185.79
Round Color Result Opponent
1 White Win JPN Kubo Izumi 2023.53
2 White Loss JPN Kato Yasuhiro 2025.33
3 White Loss JPN Isobe Taizan 2354.47
4 Black Loss JPN Miyagawa Junzo 2149.92
5 Black Win JPN Miura Hitoshi 1756.53
6 Black Loss JPN Mitsumori Masao 2266.10
7 Black Loss JPN Ishitani Shin-ichi 2370.02
31th Kanto Championship
Date 2014-05-11 Rating 2177.19
Round Color Result Opponent
1 Black Win JPN Demachi Koichiro 1885.74
2 Black Loss JPN Okabe Hiroshi 2670.56
3 Black Win JPN Tada Ayako 2242.62
4 Black Loss JPN Ishitani Shin-ichi 2371.82
5 Black Loss JPN Ono Takayuki 2305.05
6th Tohoku Championship
Date 2014-04-20 Rating 2175.36
Round Color Result Opponent
1 Black Loss JPN Sato Kiyotomi 2391.52
2 Black Loss JPN Gakumazawa Hideaki 2098.14
3 Black Win JPN Miura Hitoshi 1758.02
4 White Win JPN Kusajima Masato 2169.36
6 Black Win JPN Hirono Masakazu 1947.33
7 Black Loss JPN Okabe Hiroshi 2671.51
9th All Japan Championship
Date 2014-01-26 Rating 2168.64
Round Color Result Opponent
1 White Loss JPN Fukui Nobuhiro 2527.39
2 White Loss KOR Kim Chang-Su 2013.27
3 Black Win JPN Miyagawa Junzo 2136.34
4 Black Loss JPN Kubo Izumi 2039.28
5 Black Win JPN Maruyama Yasushi 2221.06
6 White Loss JPN Nakayama Tomoharu 2596.87
11th Middle-dan players Tournament
Date 2013-08-17 Rating 2162.32
Round Color Result Opponent
1 Black Loss JPN Tamada Yoichi 2437.21
2 White Win JPN Kubo Izumi 2025.62
3 Black Win JPN Mano Yoshihisa 2241.84
4 Black Draw JPN Nagao Noriaki 2312.69
5 Black Loss JPN Nakayama Tomoharu 2577.01
6 Black Win JPN Maruta Hiroki 2067.48
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2154.18
Round Color Result Opponent
1 Black Loss JPN Kudomi Takahiro 2323.73
2 Black Loss JPN Mitsumori Masao 2267.05
3 Black Loss JPN Ono Takayuki 2316.34
4 White Loss JPN Isobe Taizan 2328.02
5th Tohoku Championship
Date 2013-04-14 Rating 2151.38
Round Color Result Opponent
1 Black Win JPN Nakamura Shigeru 2788.08
2 Black Loss JPN Maruta Hiroki 2077.35
3 Black Loss JPN Kudomi Takahiro 2335.44
4 Black Loss JPN Hirono Masakazu 1964.37
5 Black Win JPN Miura Hitoshi 1781.93
8th All Japan Championship
Date 2013-03-24 Rating 2151.26
Round Color Result Opponent
1 Black Loss JPN Okabe Hiroshi 2652.67
2 White Loss JPN Fujikawa Masaki 1970.19
3 Black Win JPN Tomobe Katsuhiro 2100.70
4 White Draw JPN Iwano Fumio 2123.04
5 Black Loss JPN Nagao Noriaki 2324.58
6 Black Win JPN Tada Ayako 2228.49
16th Mikami Cup Tournament
Date 2013-01-20 Rating 2151.23
Round Color Result Opponent
S1 White Loss JPN Isobe Taizan 2338.41
S3 Black Loss JPN Mitsumori Masao 2275.54
S4 Black Loss JPN Kudomi Takahiro 2340.13
S5 White Loss JPN Nagao Noriaki 2328.08
10th Middle-dan players Tournament
Date 2012-08-26 Rating 2163.15
Round Color Result Opponent
1 White Loss JPN Nagao Noriaki 2333.33
2 Black Win JPN Suzuki Junichiro 1870.56
3 White Win JPN Kato Yasuhiro 2037.31
4 Black Win JPN Miyagawa Junzo 2146.54
5 Black Win JPN Kashihara Akihiko 2237.43
6 White Loss JPN Ono Takayuki 2354.51
50 Meijinsen Qualification East-Japan area 2nd round
Date 2012-07-08 Rating 2163.34
Round Color Result Opponent
1 White Loss JPN Nakamura Shigeru 2799.30
2 White Loss JPN Kudomi Takahiro 2344.61
3 Black Loss JPN Ono Takayuki 2354.22
30th Aomori Championship
Date 2012-07-01 Rating 2163.64
Round Color Result Opponent
1 White Win JPN Yamamoto Yuuichi 1659.89
2 Black Win JPN Miura Hitoshi 1838.34
3 Black Win JPN Tanno Yoshitaka 2084.04
4 White Win JPN Yamamoto Harue 1653.32
5 White Win KOR Kim Chang-Su 1990.62
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2163.00
Round Color Result Opponent
1 Black Win JPN Isobe Taizan 2340.56
2 White Win JPN Ono Takayuki 2352.29
3 Black Loss JPN Kudomi Takahiro 2346.66
4 Black Win JPN Iwano Fumio 2086.10
4th Tohoku Championship
Date 2012-04-08 Rating 2155.00
Round Color Result Opponent
1 Black Loss JPN Sato Kiyotomi 2330.62
2 White Win JPN Suzuki Junichiro 1882.22
3 Black Win JPN Maruta Koji 2065.00
4 Black Win JPN Hirono Masakazu 1961.58
5 White Draw JPN Gakumazawa Hideaki 2054.52
15th Mikami Cup Tournament
Date 2012-03-11 Rating 2150.20
Round Color Result Opponent
S1 Black Loss JPN Nakamura Shigeru 2794.19
S2 White Loss JPN Isobe Taizan 2349.07
S3 Black Loss JPN Kudomi Takahiro 2345.57
S4 Black Win JPN Tadokoro Hosai 1839.30
S5 White Loss JPN Oosumi Yuuki 2710.15
7th All Japan Championship
Date 2012-01-29 Rating 2144.27
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2525.96
2 Black Win JPN Matsuoka Teruo 1963.19
3 Black Loss JPN Mitsumori Masao 2299.22
4 White Win JPN Fujikawa Masaki 2004.00
5 Black Loss JPN Kamiya Shunsuke 2405.02
6 White Win JPN Kato Yasuhiro 2016.70
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2128.09
Round Color Result Opponent
1 Black Loss JPN Mitsumori Masao 2296.22
2 White Loss JPN Fukui Nobuhiro 2395.34
3 White Win JPN Suzuki Rin 1937.72
4 Black Win JPN Kato Yasuhiro 2016.73
51 Suiseisen Tournament
Date 2011-09-11 Rating 2120.71
Round Color Result Opponent
1 White Loss JPN Tada Ayako 2196.71
2 White Win JPN Iwano Fumio 2075.51
3 Black Loss JPN Maruta Hiroki 2041.30
4 White Win JPN Suzuki Rin 1936.37
3rd Tohoku Championship
Date 2011-02-27 Rating 2090.81
Round Color Result Opponent
2 White Loss JPN Tamada Yoichi 2429.20
3 Black Win JPN Hirono Masakazu 1962.82
4 Black Loss JPN Ishitani Shin-ichi 2319.03
5 Black Win JPN Tanno Yoshitaka 2045.15
14th Mikami Cup Tournament
Date 2011-01-30 Rating 2085.66
Round Color Result Opponent
A1 White Loss JPN Nakayama Tomoharu 2468.47
A2 Black Loss JPN Suzuki Rin 1942.77
A3 Black Win JPN Kon Akira 1943.96
A4 White Loss JPN Fujikawa Masaki 2018.93
A5 Black Win JPN Omata Mitsuo 1715.81
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2075.53
Round Color Result Opponent
1 Black Loss JPN Kamiya Shunsuke 2354.63
3 White Loss JPN Tada Ayako 2170.77
4 Black Loss JPN Suzuki Rin 1939.68
5th All Japan Championship
Date 2010-03-21 Rating 2070.87
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2609.24
2 White Draw JPN Kusajima Masato 2108.71
3 Black Win JPN Mitsumori Masao 2248.48
4 Black Win JPN Miyoshi Takeo 2068.12
5 White Loss JPN Nagao Noriaki 2343.99
6 Black Loss JPN Nakayama Tomoharu 2396.01
2nd Tohoku Championship
Date 2010-03-14 Rating 2070.24
Round Color Result Opponent
1 Black Win JPN Sato Kiyotomi 2320.78
2 Black Loss JPN Kusajima Masato 2109.09
3 Black Loss JPN Seiryu Masanori 1940.75
4 Black Loss JPN Gakumazawa Hideaki 2022.99
5 Black Win JPN Sato Ryota 1453.66
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2069.10
Round Color Result Opponent
A1 White Loss JPN Matsuoka Teruo 1943.64
A2 Black Win JPN Kon Akira 1927.85
A3 Black Win JPN Tanji Hiroki 1955.85
A4 White Win JPN Kimura Kenichiro 2160.06
A5 White Loss JPN Tamada Yoichi 2366.86
8th Middle-dan Players Tournament
Date 2009-08-30 Rating 2059.77
Round Color Result Opponent
1 White Loss JPN Gakumazawa Hideaki 2009.68
2 Black Win JPN Yamamoto Yasuhiro 2103.92
3 White Win JPN Kato Yasuhiro 1984.96
4 White Loss JPN Ono Takayuki 2312.06
5 Black Win JPN Miyagawa Junzo 2136.59
6 Black Loss JPN Sato Kiyotomi 2328.80
4th All Japan Championship
Date 2009-03-21 Rating 2042.39
Round Color Result Opponent
1 Black Loss JPN Oosumi Yuuki 2557.90
2 Black Win JPN Kuramoto Hideharu 1887.33
3 White Loss JPN Sato Kiyotomi 2327.66
4 Black Loss JPN Maruta Hiroki 2018.94
5 Black Win JPN Kato Yasuhiro 1951.14
6 Black Loss JPN Miyoshi Takeo 2135.75
1st Tohoku Championship
Date 2009-02-22 Rating 2040.40
Round Color Result Opponent
1 Black Loss JPN Ishitani Shin-ichi 2291.25
3 Black Win JPN Sato Ryota 1473.41
4 Black Win JPN Miura Hitoshi 1872.57
5 White Loss JPN Sato Kiyotomi 2326.52
12th Mikami Cup Tournament
Date 2009-01-18 Rating 2037.92
Round Color Result Opponent
A4 Black Loss JPN Fujikawa Masaki 2011.47
25th Kanto Shineisen Tournament
Date 2008-04-13 Rating 2029.28
Round Color Result Opponent
1 White Loss JPN Tamada Yoichi 2184.22
2 Black Win JPN Watanabe Yoko 1940.69
3 Black Win JPN Matsuoka Teruo 1864.27
4 White Win JPN Watanabe Tatsuya 2051.58
5 Black Loss JPN Fujikawa Masaki 2042.09
11th Mikami Cup Tournament, A-Class
Date 2008-01-20 Rating 2024.11
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2043.56
2 White Loss JPN Tamada Yoichi 2168.15
3 White Win JPN Matsuoka Teruo 1860.19
4 Black Loss JPN Tanizaki Ryusuke 2048.11
4 White Loss JPN Takeuchi Shunsuke 2006.52