Koiso Shigemasa (小磯重正)

Place: Omihachiman, Japan

Rating: 2073.61, Std: 229.43, Rank: 617

First game: 1994-08-07, Last game: 2019-05-19

Top rating: 2220.82 (2005-05-08)

Games: 143, Wins: 52, Draws: 10, Losses: 81

Gy1: 0, Gy2: 0, Gy5: 3

57 Meijinsen Qualification Kansai area 1st round
Date	2019-05-19		Rating	2073.61
Round	Color	Result	Opponent
2	White	Loss	Hayashi Shoichi	2155.71
3	Black	Win	Sakamoto Suzan	2253.98
4	Black	Loss	Hata Masayuki	2159.00
55 Meijinsen Qualification Kansai area 1st round
Date	2017-05-21		Rating	2075.64
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2265.03
2	Black	Loss	Matsui Tsunehiro	2182.20
3	Black	Loss	Kashihara Akihiko	2319.79
4	Black	Loss	Nishida Toshio	2081.94
53 Meijinsen Qualification Kansai area 2nd round
Date	2015-06-21		Rating	2177.96
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2662.98
2	White	Loss	Kawamura Norihiko	2635.66
3	Black	Loss	Iio Yoshihiro	2521.25
53 Meijinsen Qualification Kansai area 1st round
Date	2015-05-17		Rating	2184.04
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2274.50
2	Black	Win	Miyagawa Junzo	2240.14
3	White	Loss	Kawamura Norihiko	2637.91
4	Black	Win	Tachi Masaya	2476.21
52 Meijinsen Qualification Kansai area 1st round
Date	2014-05-18		Rating	2167.05
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2535.12
2	Black	Loss	Sakamoto Suzan	2300.05
3	White	Win	Kon Akira	1981.01
4	Black	Draw	Miyagawa Junzo	2205.77
51 Meijinsen Qualification Kansai area 1st round
Date	2013-05-19		Rating	2154.67
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2087.59
3	White	Loss	Kon Akira	1981.73
4	Black	Win	Sakamoto Suzan	2293.60
5	White	Loss	Iio Yoshihiro	2487.61
8th Kansai Championship 1st round
Date	2012-10-08		Rating	2166.02
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2581.96
2	Black	Win	Kon Akira	1987.83
3	Black	Loss	Miyagawa Junzo	2212.18
4	Black	Loss	Iio Yoshihiro	2467.53
5	White	Win	Takahashi Roi	2169.52
50 Meijinsen Qualification Kansai area 1st round
Date	2012-05-20		Rating	2171.60
Round	Color	Result	Opponent
1	Black	Loss	Kise Katsumi	2546.22
3	White	Win	Kon Akira	2003.00
4	Black	Loss	Sakamoto Suzan	2335.98
5	White	Win	Kubo Izumi	2084.13
7th Kansai Championship 1st round
Date	2011-10-23		Rating	2173.65
Round	Color	Result	Opponent
3	Black	Win	Kon Akira	2015.02
4	White	Win	Hata Masayuki	2229.16
5	Black	Loss	Sakamoto Suzan	2354.71
6th All Japan Championship
Date	2011-03-27		Rating	2161.60
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2593.53
2	Black	Win	Miyagawa Sou	2116.10
3	White	Loss	Oosumi Yuuki	2736.23
4	Black	Loss	Ozawa Tetsushi	2091.68
5	White	Loss	Kawano Takahisa	2348.02
6	Black	Loss	Miyagawa Junzo	2215.67
48th Meijinsen Tournament
Date	2010-09-20		Rating	2170.74
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2693.37
2	White	Loss	Oosumi Yuuki	2700.38
3	Black	Win	Sakamoto Suzan	2348.44
4	White	Loss	Tamada Yoichi	2495.36
5	Black	Loss	Yamaguchi Yusui	2588.79
6	White	Loss	Matsuura Hiroshi	2389.11
7	White	Loss	Kawano Takahisa	2318.19
8	Black	Loss	Iio Yoshihiro	2527.26
9	Black	Loss	Ishitani Shin-ichi	2388.46
Meijinsen Qualification Kansai area 2nd round
Date	2010-06-20		Rating	2179.60
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2348.67
2	Black	Win	Takagawa Teiji	2184.37
3	White	Win	Ozawa Tetsushi	2077.82
Meijinsen Qualification Kansai area
Date	2010-05-16		Rating	2180.68
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2102.15
2	Black	Loss	Sakamoto Suzan	2347.88
3	Black	Loss	Yasumoto Yoshinobu	1984.13
4	White	Win	Hata Masayuki	2140.15
5	Black	Win	Miyagawa Junzo	2202.00
5th Kansai Championship 2nd round
Date	2009-11-15		Rating	2179.64
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2518.39
2	Black	Loss	Miyagawa Junzo	2197.90
3	Black	Win	Hata Masayuki	2157.76
4	Black	Loss	Sagara Takashi	2486.28
47th Meijinsen Qualification Kansai area 1st round
Date	2009-05-10		Rating	2163.36
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2113.37
2	White	Loss	Hata Masayuki	2190.86
3	Black	Win	Kon Akira	1960.04
4	Black	Loss	Sakamoto Suzan	2300.65
5	Black	Loss	Miyagawa Junzo	2198.68
4th Kansai Championship, 2nd round
Date	2008-11-16		Rating	2159.10
Round	Color	Result	Opponent
1	Black	Win	Kon Akira	1946.29
2	Black	Loss	Tamura Kazumasa	2483.39
3	Black	Loss	Takashima Junya	2533.32
4	White	Loss	Hata Masayuki	2238.05
46th Meijinsen Qualification Kansai area 1st round
Date	2008-05-11		Rating	2162.88
Round	Color	Result	Opponent
1	White	Loss	Sakamoto Suzan	2286.51
2	White	Win	Kon Akira	1937.70
3	Black	Loss	Tamura Kazumasa	2424.68
4	White	Loss	Matsui Tsunehiro	2179.91
5	Black	Win	Miyagawa Junzo	2255.38
3 Kansai Championship 2nd round
Date	2007-10-21		Rating	2170.13
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2277.07
2	Black	Loss	Oosumi Yuuki	2556.48
3	White	Loss	Miyagawa Junzo	2265.92
4	Black	Win	Ozawa Tetsushi	2027.39
45th Meijinsen Qualification Kansai area - 1st round
Date	2007-05-13		Rating	2167.09
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2220.78
2	Black	Loss	Takagawa Teiji	2260.70
3	Black	Loss	Miyagawa Junzo	2270.26
4	Black	Draw	Yasumoto Yoshinobu	2031.35
2nd Kansai Championship 2nd round
Date	2006-10-15		Rating	2170.90
Round	Color	Result	Opponent
1	Black	Win	Okuda Shingo	1954.26
2	Black	Loss	Sagara Takashi	2503.18
3	Black	Loss	Sakamoto Suzan	2290.33
4	White	Loss	Oosumi Yuuki	2463.15
Meijin-sen Qual, Kansai area 1st round
Date	2006-05-14		Rating	2180.49
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Sou	2155.10
2	Black	Loss	Takagawa Teiji	2302.02
3	Black	Loss	Hata Masayuki	2226.74
4	Black	Loss	Sakamoto Suzan	2288.87
1st Kansai Championship 2nd round
Date	2005-10-16		Rating	2208.76
Round	Color	Result	Opponent
1	Black	Win	Doi Manabu	2098.83
2	White	Loss	Takashima Junya	2513.21
3	Black	Win	Hata Masayuki	2211.12
4	White	Loss	Sagara Takashi	2489.65
43rd Meijinsen Qualification: Kansai area 1st round
Date	2005-05-08		Rating	2220.82
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2248.63
2	Black	Loss	Oosumi Yuuki	2373.21
3	Black	Win	Matsui Tsunehiro	2165.42
4	Black	Win	Yasumoto Yoshinobu	2032.35
42nd Meijinsen Qualification: Kansai area 2nd round
Date	2004-06-13		Rating	2211.86
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2297.38
2	Black	Loss	Takagawa Teiji	2333.75
3	White	Loss	Ooi Kozo	2348.31
42nd Meijinsen Qualification: Kansai area 1st round
Date	2004-05-16		Rating	2214.28
Round	Color	Result	Opponent
1	White	Win	Tamura Kazumasa	2316.99
2	Black	Win	Sakamoto Suzan	2294.69
3	White	Win	Adachi Yasuhiro	2047.19
4	White	Loss	Ooi Kozo	2351.76
41st Meijinsen Qualification: Kansai area - 1st Round
Date	2003-05-18		Rating	2196.36
Round	Color	Result	Opponent
1	White	Win	Nakajima Mitsuo	1836.00
2	Black	Win	Adachi Yasuhiro	2028.86
3	Black	Loss	Miyagawa Junzo	2268.09
4	Black	Loss	Sakamoto Suzan	2257.07
40th Meijinsen Qualification: Kansai area 1st-Round
Date	2002-05-19		Rating	2195.59
Round	Color	Result	Opponent
1	Black	Draw	Miyagawa Sou	2055.46
2	Black	Win	Iwata Akihisa	2183.71
3	Black	Loss	Miyagawa Junzo	2249.57
4	White	Win	Takashima Junya	2297.50
World Championship 2001, BT
Date	2001-08-12		Rating	2179.09
Round	Color	Result	Opponent
1	Black	Loss	Tadokoro Hosai	2001.07
3	White	Win	Dzainukov Eldar	2014.41
4	Black	Win	Tatsutomi Hiroyuki	2216.58
5	White	Draw	Samotsvetov Igor	2103.81
6	Black	Loss	Makarov Pavel	2489.24
7	White	Draw	Nosovsky Alexander	2134.51
8	White	Win	Chen Wei-Han	2110.54
Japan WC Qualification tournament
Date	2001-03-24		Rating	2167.88
Round	Color	Result	Opponent
1	White	Loss	Nara Hideki	2554.71
2	Black	Win	Kuramoto Hideharu	1784.67
3	White	Draw	Isobe Taizan	2440.53
4	Black	Loss	Miyagawa Junzo	2219.34
5	Black	Draw	Okabe Hiroshi	2333.21
6	White	Win	Miyoshi Takeo	2189.60
7	White	Loss	Kusajima Masato	2383.70
32-nd Kyoto Classified - Special class
Date	2000-11-12		Rating	2151.05
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2195.91
2	Black	Loss	Hasegawa Kazuto	2556.74
3	Black	Win	Sakamoto Suzan	2179.78
4	White	Loss	Iio Yoshihiro	2366.51
5	Black	Win	Hayakawa Yoshimi	2416.31
38th Meijinsen Qualification: Kansai area 1st Round
Date	2000-05-21		Rating	2116.80
Round	Color	Result	Opponent
1	White	Draw	Kitamoto Kenji	1938.25
2	Black	Loss	Matsui Tsunehiro	2217.63
3	White	Loss	Tatsutomi Hiroyuki	2196.44
4	Black	Loss	Funamoto Tadashi	1916.82
Kyoto - 1200
Date	1994-08-07		Rating	2112.20
Round	Color	Result	Opponent
1	White	Loss	Kawamura Norihiko	2548.93
2	Black	Draw	Ooi Kozo	2254.70
3	White	Win	Mitsuyama M	1890.30
4	Black	Draw	Jonsson Peter	2091.57
6	White	Win	Doi Manabu	2125.73
7	Black	Loss	Arai Yutaka	2257.63