JPN Kobayashi Koichi

Place: Fukushima, Japan

Rating: 2214.24, Rank: -

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

Top rating: 2220.38 (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 2214.24
Round Color Result Opponent
1 White Loss JPN Miyagawa Junzo 2169.38
2 White Loss JPN Hata Masayuki 2117.74
4 White Win JPN Mano Yoshihisa 2286.83
5 Black Loss JPN Tachi Masaya 2409.58
6 Black Win JPN Kubo Izumi 2019.35
32nd Aomori Championship
Date 2015-07-05 Rating 2214.90
Round Color Result Opponent
1 Black Win JPN Yamamoto Harue 1648.99
2 White Win JPN Miyamoto Syunju 2049.49
3 Black Draw JPN Tanno Yoshitaka 2105.09
4 White Win JPN Gakumazawa Hideaki 2125.07
5 Black Loss JPN Ooshina Seiichi 1987.96
7th Tohoku Championship
Date 2015-04-12 Rating 2220.19
Round Color Result Opponent
1 White Win JPN Miyamoto Syunju 2027.14
2 Black Win JPN Ishitani Shin-ichi 2348.09
3 Black Loss JPN Okabe Hiroshi 2655.07
4 Black Win JPN Kusajima Masato 2189.74
5 White Loss JPN Gakumazawa Hideaki 2124.11
10th All Japan Championship
Date 2015-03-29 Rating 2220.38
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2660.15
2 Black Win JPN Kon Akira 1922.24
3 Black Win JPN Nagao Noriaki 2236.06
4 Black Loss JPN Tamada Yoichi 2496.70
5 White Win JPN Ono Takayuki 2269.69
6 White Loss JPN Sato Kiyotomi 2417.46
Sendai Memorial Cup
Date 2015-03-01 Rating 2219.17
Round Color Result Opponent
1 White Win JPN Kusajima Masato 2188.32
2 Black Win JPN Miyamoto Syunju 2020.13
3 Black Win JPN Miura Hitoshi 1750.77
4 Black Win JPN Gakumazawa Hideaki 2121.01
5 Black Win JPN Hirono Masakazu 1947.75
6 White Win JPN Seiryu Masanori 1942.05
33th Aomori Meijinsen
Date 2014-11-09 Rating 2202.16
Round Color Result Opponent
1 Black Win JPN Yamamoto Harue 1663.75
2 Black Win JPN Gakumazawa Hideaki 2109.64
3 White Win JPN Koseki Kenshou 1656.94
4 Black Win JPN Tanno Yoshitaka 2104.39
5 White Win JPN Shimoda Hiroyasu 1543.34
1st Senior Masters Championship
Date 2014-08-29 Rating 2186.74
Round Color Result Opponent
1 White Win JPN Kubo Izumi 2023.53
2 White Loss JPN Kato Yasuhiro 2027.48
3 White Loss JPN Isobe Taizan 2355.20
4 Black Loss JPN Miyagawa Junzo 2150.03
5 Black Win JPN Miura Hitoshi 1757.76
6 Black Loss JPN Mitsumori Masao 2267.87
7 Black Loss JPN Ishitani Shin-ichi 2370.75
31th Kanto Championship
Date 2014-05-11 Rating 2178.10
Round Color Result Opponent
1 Black Win JPN Demachi Koichiro 1887.42
2 Black Loss JPN Okabe Hiroshi 2671.08
3 Black Win JPN Tada Ayako 2243.29
4 Black Loss JPN Ishitani Shin-ichi 2372.54
5 Black Loss JPN Ono Takayuki 2306.24
6th Tohoku Championship
Date 2014-04-20 Rating 2176.25
Round Color Result Opponent
1 Black Loss JPN Sato Kiyotomi 2392.35
2 Black Loss JPN Gakumazawa Hideaki 2099.60
3 Black Win JPN Miura Hitoshi 1759.19
4 White Win JPN Kusajima Masato 2170.90
6 Black Win JPN Hirono Masakazu 1948.84
7 Black Loss JPN Okabe Hiroshi 2672.04
9th All Japan Championship
Date 2014-01-26 Rating 2169.48
Round Color Result Opponent
1 White Loss JPN Fukui Nobuhiro 2528.00
2 White Loss KOR Kim Chang-Su 2013.14
3 Black Win JPN Miyagawa Junzo 2136.58
4 Black Loss JPN Kubo Izumi 2039.35
5 Black Win JPN Maruyama Yasushi 2221.80
6 White Loss JPN Nakayama Tomoharu 2597.35
11th Middle-dan players Tournament
Date 2013-08-17 Rating 2163.09
Round Color Result Opponent
1 Black Loss JPN Tamada Yoichi 2438.11
2 White Win JPN Kubo Izumi 2025.73
3 Black Win JPN Mano Yoshihisa 2242.47
4 Black Draw JPN Nagao Noriaki 2313.24
5 Black Loss JPN Nakayama Tomoharu 2577.45
6 Black Win JPN Maruta Hiroki 2068.41
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2154.93
Round Color Result Opponent
1 Black Loss JPN Kudomi Takahiro 2324.34
2 Black Loss JPN Mitsumori Masao 2268.16
3 Black Loss JPN Ono Takayuki 2317.17
4 White Loss JPN Isobe Taizan 2328.70
5th Tohoku Championship
Date 2013-04-14 Rating 2152.11
Round Color Result Opponent
1 Black Win JPN Nakamura Shigeru 2788.45
2 Black Loss JPN Maruta Hiroki 2078.17
3 Black Loss JPN Kudomi Takahiro 2336.04
4 Black Loss JPN Hirono Masakazu 1965.63
5 Black Win JPN Miura Hitoshi 1782.93
8th All Japan Championship
Date 2013-03-24 Rating 2151.99
Round Color Result Opponent
1 Black Loss JPN Okabe Hiroshi 2653.17
2 White Loss JPN Fujikawa Masaki 1971.09
3 Black Win JPN Tomobe Katsuhiro 2101.69
4 White Draw JPN Iwano Fumio 2123.93
5 Black Loss JPN Nagao Noriaki 2325.09
6 Black Win JPN Tada Ayako 2229.12
16th Mikami Cup Tournament
Date 2013-01-20 Rating 2151.93
Round Color Result Opponent
S1 White Loss JPN Isobe Taizan 2339.03
S3 Black Loss JPN Mitsumori Masao 2276.49
S4 Black Loss JPN Kudomi Takahiro 2340.70
S5 White Loss JPN Nagao Noriaki 2328.57
10th Middle-dan players Tournament
Date 2012-08-26 Rating 2163.79
Round Color Result Opponent
1 White Loss JPN Nagao Noriaki 2333.77
2 Black Win JPN Suzuki Junichiro 1871.23
3 White Win JPN Kato Yasuhiro 2038.07
4 Black Win JPN Miyagawa Junzo 2146.75
5 Black Win JPN Kashihara Akihiko 2237.14
6 White Loss JPN Ono Takayuki 2355.07
50 Meijinsen Qualification East-Japan area 2nd round
Date 2012-07-08 Rating 2163.96
Round Color Result Opponent
1 White Loss JPN Nakamura Shigeru 2799.63
2 White Loss JPN Kudomi Takahiro 2345.13
3 Black Loss JPN Ono Takayuki 2354.76
30th Aomori Championship
Date 2012-07-01 Rating 2164.26
Round Color Result Opponent
1 White Win JPN Yamamoto Yuuichi 1660.45
2 Black Win JPN Miura Hitoshi 1839.21
3 Black Win JPN Tanno Yoshitaka 2084.99
4 White Win JPN Yamamoto Harue 1654.20
5 White Win KOR Kim Chang-Su 1990.72
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2163.62
Round Color Result Opponent
1 Black Win JPN Isobe Taizan 2341.08
2 White Win JPN Ono Takayuki 2352.81
3 Black Loss JPN Kudomi Takahiro 2347.16
4 Black Win JPN Iwano Fumio 2086.78
4th Tohoku Championship
Date 2012-04-08 Rating 2155.61
Round Color Result Opponent
1 Black Loss JPN Sato Kiyotomi 2331.11
2 White Win JPN Suzuki Junichiro 1882.82
3 Black Win JPN Maruta Koji 2067.40
4 Black Win JPN Hirono Masakazu 1962.62
5 White Draw JPN Gakumazawa Hideaki 2055.31
15th Mikami Cup Tournament
Date 2012-03-11 Rating 2150.79
Round Color Result Opponent
S1 Black Loss JPN Nakamura Shigeru 2794.50
S2 White Loss JPN Isobe Taizan 2349.56
S3 Black Loss JPN Kudomi Takahiro 2346.05
S4 Black Win JPN Tadokoro Hosai 1839.53
S5 White Loss JPN Oosumi Yuuki 2710.42
7th All Japan Championship
Date 2012-01-29 Rating 2144.84
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2526.26
2 Black Win JPN Matsuoka Teruo 1963.52
3 Black Loss JPN Mitsumori Masao 2299.86
4 White Win JPN Fujikawa Masaki 2004.63
5 Black Loss JPN Kamiya Shunsuke 2405.49
6 White Win JPN Kato Yasuhiro 2017.26
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2128.63
Round Color Result Opponent
1 Black Loss JPN Mitsumori Masao 2296.79
2 White Loss JPN Fukui Nobuhiro 2395.64
3 White Win JPN Suzuki Rin 1938.25
4 Black Win JPN Kato Yasuhiro 2017.22
51 Suiseisen Tournament
Date 2011-09-11 Rating 2121.23
Round Color Result Opponent
1 White Loss JPN Tada Ayako 2197.09
2 White Win JPN Iwano Fumio 2076.03
3 Black Loss JPN Maruta Hiroki 2041.64
4 White Win JPN Suzuki Rin 1936.89
3rd Tohoku Championship
Date 2011-02-27 Rating 2091.27
Round Color Result Opponent
2 White Loss JPN Tamada Yoichi 2429.52
3 Black Win JPN Hirono Masakazu 1963.63
4 Black Loss JPN Ishitani Shin-ichi 2319.30
5 Black Win JPN Tanno Yoshitaka 2045.82
14th Mikami Cup Tournament
Date 2011-01-30 Rating 2086.11
Round Color Result Opponent
A1 White Loss JPN Nakayama Tomoharu 2468.76
A2 Black Loss JPN Suzuki Rin 1943.18
A3 Black Win JPN Kon Akira 1943.94
A4 White Loss JPN Fujikawa Masaki 2019.37
A5 Black Win JPN Omata Mitsuo 1716.04
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2075.95
Round Color Result Opponent
1 Black Loss JPN Kamiya Shunsuke 2354.99
3 White Loss JPN Tada Ayako 2171.05
4 Black Loss JPN Suzuki Rin 1940.05
5th All Japan Championship
Date 2010-03-21 Rating 2071.23
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2609.39
2 White Draw JPN Kusajima Masato 2109.43
3 Black Win JPN Mitsumori Masao 2248.72
4 Black Win JPN Miyoshi Takeo 2068.27
5 White Loss JPN Nagao Noriaki 2344.18
6 Black Loss JPN Nakayama Tomoharu 2396.26
2nd Tohoku Championship
Date 2010-03-14 Rating 2070.59
Round Color Result Opponent
1 Black Win JPN Sato Kiyotomi 2321.09
2 Black Loss JPN Kusajima Masato 2109.80
3 Black Loss JPN Seiryu Masanori 1941.45
4 Black Loss JPN Gakumazawa Hideaki 2023.48
5 Black Win JPN Sato Ryota 1454.22
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2069.45
Round Color Result Opponent
A1 White Loss JPN Matsuoka Teruo 1943.87
A2 Black Win JPN Kon Akira 1927.87
A3 Black Win JPN Tanji Hiroki 1956.03
A4 White Win JPN Kimura Kenichiro 2160.26
A5 White Loss JPN Tamada Yoichi 2367.05
8th Middle-dan Players Tournament
Date 2009-08-30 Rating 2060.08
Round Color Result Opponent
1 White Loss JPN Gakumazawa Hideaki 2010.11
2 Black Win JPN Yamamoto Yasuhiro 2104.16
3 White Win JPN Kato Yasuhiro 1985.11
4 White Loss JPN Ono Takayuki 2312.23
5 Black Win JPN Miyagawa Junzo 2136.51
6 Black Loss JPN Sato Kiyotomi 2329.05
4th All Japan Championship
Date 2009-03-21 Rating 2042.66
Round Color Result Opponent
1 Black Loss JPN Oosumi Yuuki 2557.91
2 Black Win JPN Kuramoto Hideharu 1887.33
3 White Loss JPN Sato Kiyotomi 2327.86
4 Black Loss JPN Maruta Hiroki 2019.10
5 Black Win JPN Kato Yasuhiro 1951.27
6 Black Loss JPN Miyoshi Takeo 2135.83
1st Tohoku Championship
Date 2009-02-22 Rating 2040.67
Round Color Result Opponent
1 Black Loss JPN Ishitani Shin-ichi 2291.31
3 Black Win JPN Sato Ryota 1473.94
4 Black Win JPN Miura Hitoshi 1873.14
5 White Loss JPN Sato Kiyotomi 2326.71
12th Mikami Cup Tournament
Date 2009-01-18 Rating 2038.19
Round Color Result Opponent
A4 Black Loss JPN Fujikawa Masaki 2011.66
25th Kanto Shineisen Tournament
Date 2008-04-13 Rating 2029.51
Round Color Result Opponent
1 White Loss JPN Tamada Yoichi 2184.31
2 Black Win JPN Watanabe Yoko 1940.76
3 Black Win JPN Matsuoka Teruo 1864.46
4 White Win JPN Watanabe Tatsuya 2051.73
5 Black Loss JPN Fujikawa Masaki 2042.24
11th Mikami Cup Tournament, A-Class
Date 2008-01-20 Rating 2024.33
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2043.70
2 White Loss JPN Tamada Yoichi 2168.25
3 White Win JPN Matsuoka Teruo 1860.37
4 Black Loss JPN Tanizaki Ryusuke 2048.28
4 White Loss JPN Takeuchi Shunsuke 2006.63