Koiso Shigemasa (小磯重正)

Place: Omihachiman, Japan

Rating: 2073.63, Std: 229.39, Rank: 617

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

Top rating: 2220.89 (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	2073.63
Round	Color	Result	Opponent
2	White	Loss	Hayashi Shoichi	2155.72
3	Black	Win	Sakamoto Suzan	2253.99
4	Black	Loss	Hata Masayuki	2159.01
55 Meijinsen Qualification Kansai area 1st round
Date	2017-05-21		Rating	2075.65
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2265.04
2	Black	Loss	Matsui Tsunehiro	2182.22
3	Black	Loss	Kashihara Akihiko	2319.81
4	Black	Loss	Nishida Toshio	2081.96
53 Meijinsen Qualification Kansai area 2nd round
Date	2015-06-21		Rating	2177.98
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2663.00
2	White	Loss	Kawamura Norihiko	2635.67
3	Black	Loss	Iio Yoshihiro	2521.27
53 Meijinsen Qualification Kansai area 1st round
Date	2015-05-17		Rating	2184.05
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2274.52
2	Black	Win	Miyagawa Junzo	2240.15
3	White	Loss	Kawamura Norihiko	2637.93
4	Black	Win	Tachi Masaya	2476.22
52 Meijinsen Qualification Kansai area 1st round
Date	2014-05-18		Rating	2167.07
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2535.14
2	Black	Loss	Sakamoto Suzan	2300.07
3	White	Win	Kon Akira	1981.03
4	Black	Draw	Miyagawa Junzo	2205.79
51 Meijinsen Qualification Kansai area 1st round
Date	2013-05-19		Rating	2154.69
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2087.61
3	White	Loss	Kon Akira	1981.75
4	Black	Win	Sakamoto Suzan	2293.62
5	White	Loss	Iio Yoshihiro	2487.63
8th Kansai Championship 1st round
Date	2012-10-08		Rating	2166.04
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2581.98
2	Black	Win	Kon Akira	1987.85
3	Black	Loss	Miyagawa Junzo	2212.20
4	Black	Loss	Iio Yoshihiro	2467.55
5	White	Win	Takahashi Roi	2169.53
50 Meijinsen Qualification Kansai area 1st round
Date	2012-05-20		Rating	2171.62
Round	Color	Result	Opponent
1	Black	Loss	Kise Katsumi	2546.24
3	White	Win	Kon Akira	2003.02
4	Black	Loss	Sakamoto Suzan	2336.00
5	White	Win	Kubo Izumi	2084.16
7th Kansai Championship 1st round
Date	2011-10-23		Rating	2173.68
Round	Color	Result	Opponent
3	Black	Win	Kon Akira	2015.04
4	White	Win	Hata Masayuki	2229.18
5	Black	Loss	Sakamoto Suzan	2354.73
6th All Japan Championship
Date	2011-03-27		Rating	2161.62
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2593.56
2	Black	Win	Miyagawa Sou	2116.13
3	White	Loss	Oosumi Yuuki	2736.25
4	Black	Loss	Ozawa Tetsushi	2091.71
5	White	Loss	Kawano Takahisa	2348.04
6	Black	Loss	Miyagawa Junzo	2215.69
48th Meijinsen Tournament
Date	2010-09-20		Rating	2170.76
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2693.40
2	White	Loss	Oosumi Yuuki	2700.40
3	Black	Win	Sakamoto Suzan	2348.47
4	White	Loss	Tamada Yoichi	2495.38
5	Black	Loss	Yamaguchi Yusui	2588.81
6	White	Loss	Matsuura Hiroshi	2389.14
7	White	Loss	Kawano Takahisa	2318.21
8	Black	Loss	Iio Yoshihiro	2527.29
9	Black	Loss	Ishitani Shin-ichi	2388.49
Meijinsen Qualification Kansai area 2nd round
Date	2010-06-20		Rating	2179.63
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2348.70
2	Black	Win	Takagawa Teiji	2184.40
3	White	Win	Ozawa Tetsushi	2077.84
Meijinsen Qualification Kansai area
Date	2010-05-16		Rating	2180.71
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2102.18
2	Black	Loss	Sakamoto Suzan	2347.90
3	Black	Loss	Yasumoto Yoshinobu	1984.16
4	White	Win	Hata Masayuki	2140.18
5	Black	Win	Miyagawa Junzo	2202.02
5th Kansai Championship 2nd round
Date	2009-11-15		Rating	2179.67
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2518.41
2	Black	Loss	Miyagawa Junzo	2197.93
3	Black	Win	Hata Masayuki	2157.79
4	Black	Loss	Sagara Takashi	2486.34
47th Meijinsen Qualification Kansai area 1st round
Date	2009-05-10		Rating	2163.39
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2113.40
2	White	Loss	Hata Masayuki	2190.89
3	Black	Win	Kon Akira	1960.06
4	Black	Loss	Sakamoto Suzan	2300.69
5	Black	Loss	Miyagawa Junzo	2198.71
4th Kansai Championship, 2nd round
Date	2008-11-16		Rating	2159.14
Round	Color	Result	Opponent
1	Black	Win	Kon Akira	1946.31
2	Black	Loss	Tamura Kazumasa	2483.42
3	Black	Loss	Takashima Junya	2533.35
4	White	Loss	Hata Masayuki	2238.08
46th Meijinsen Qualification Kansai area 1st round
Date	2008-05-11		Rating	2162.92
Round	Color	Result	Opponent
1	White	Loss	Sakamoto Suzan	2286.54
2	White	Win	Kon Akira	1937.73
3	Black	Loss	Tamura Kazumasa	2424.72
4	White	Loss	Matsui Tsunehiro	2179.94
5	Black	Win	Miyagawa Junzo	2255.42
3 Kansai Championship 2nd round
Date	2007-10-21		Rating	2170.17
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2277.11
2	Black	Loss	Oosumi Yuuki	2556.51
3	White	Loss	Miyagawa Junzo	2265.95
4	Black	Win	Ozawa Tetsushi	2027.41
45th Meijinsen Qualification Kansai area - 1st round
Date	2007-05-13		Rating	2167.13
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2220.82
2	Black	Loss	Takagawa Teiji	2260.75
3	Black	Loss	Miyagawa Junzo	2270.29
4	Black	Draw	Yasumoto Yoshinobu	2031.38
2nd Kansai Championship 2nd round
Date	2006-10-15		Rating	2170.95
Round	Color	Result	Opponent
1	Black	Win	Okuda Shingo	1954.29
2	Black	Loss	Sagara Takashi	2503.26
3	Black	Loss	Sakamoto Suzan	2290.37
4	White	Loss	Oosumi Yuuki	2463.19
Meijin-sen Qual, Kansai area 1st round
Date	2006-05-14		Rating	2180.54
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Sou	2155.13
2	Black	Loss	Takagawa Teiji	2302.07
3	Black	Loss	Hata Masayuki	2226.78
4	Black	Loss	Sakamoto Suzan	2288.91
1st Kansai Championship 2nd round
Date	2005-10-16		Rating	2208.82
Round	Color	Result	Opponent
1	Black	Win	Doi Manabu	2098.88
2	White	Loss	Takashima Junya	2513.26
3	Black	Win	Hata Masayuki	2211.17
4	White	Loss	Sagara Takashi	2489.75
43rd Meijinsen Qualification: Kansai area 1st round
Date	2005-05-08		Rating	2220.89
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2248.68
2	Black	Loss	Oosumi Yuuki	2373.26
3	Black	Win	Matsui Tsunehiro	2165.48
4	Black	Win	Yasumoto Yoshinobu	2032.39
42nd Meijinsen Qualification: Kansai area 2nd round
Date	2004-06-13		Rating	2211.94
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2297.45
2	Black	Loss	Takagawa Teiji	2333.83
3	White	Loss	Ooi Kozo	2348.48
42nd Meijinsen Qualification: Kansai area 1st round
Date	2004-05-16		Rating	2214.36
Round	Color	Result	Opponent
1	White	Win	Tamura Kazumasa	2317.04
2	Black	Win	Sakamoto Suzan	2294.76
3	White	Win	Adachi Yasuhiro	2047.25
4	White	Loss	Ooi Kozo	2351.94
41st Meijinsen Qualification: Kansai area - 1st Round
Date	2003-05-18		Rating	2196.45
Round	Color	Result	Opponent
1	White	Win	Nakajima Mitsuo	1836.03
2	Black	Win	Adachi Yasuhiro	2028.93
3	Black	Loss	Miyagawa Junzo	2268.16
4	Black	Loss	Sakamoto Suzan	2257.14
40th Meijinsen Qualification: Kansai area 1st-Round
Date	2002-05-19		Rating	2195.68
Round	Color	Result	Opponent
1	Black	Draw	Miyagawa Sou	2055.52
2	Black	Win	Iwata Akihisa	2183.80
3	Black	Loss	Miyagawa Junzo	2249.65
4	White	Win	Takashima Junya	2297.56
World Championship 2001, BT
Date	2001-08-12		Rating	2179.20
Round	Color	Result	Opponent
1	Black	Loss	Tadokoro Hosai	2001.12
3	White	Win	Dzainukov Eldar	2014.44
4	Black	Win	Tatsutomi Hiroyuki	2216.77
5	White	Draw	Samotsvetov Igor	2103.87
6	Black	Loss	Makarov Pavel	2489.32
7	White	Draw	Nosovsky Alexander	2134.62
8	White	Win	Chen Wei-Han	2110.59
Japan WC Qualification tournament
Date	2001-03-24		Rating	2168.00
Round	Color	Result	Opponent
1	White	Loss	Nara Hideki	2554.86
2	Black	Win	Kuramoto Hideharu	1784.72
3	White	Draw	Isobe Taizan	2440.68
4	Black	Loss	Miyagawa Junzo	2219.43
5	Black	Draw	Okabe Hiroshi	2333.31
6	White	Win	Miyoshi Takeo	2189.72
7	White	Loss	Kusajima Masato	2383.83
32-nd Kyoto Classified - Special class
Date	2000-11-12		Rating	2151.18
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2196.03
2	Black	Loss	Hasegawa Kazuto	2556.93
3	Black	Win	Sakamoto Suzan	2179.89
4	White	Loss	Iio Yoshihiro	2366.65
5	Black	Win	Hayakawa Yoshimi	2416.47
38th Meijinsen Qualification: Kansai area 1st Round
Date	2000-05-21		Rating	2116.93
Round	Color	Result	Opponent
1	White	Draw	Kitamoto Kenji	1938.29
2	Black	Loss	Matsui Tsunehiro	2217.70
3	White	Loss	Tatsutomi Hiroyuki	2196.69
4	Black	Loss	Funamoto Tadashi	1916.86
Kyoto - 1200
Date	1994-08-07		Rating	2112.49
Round	Color	Result	Opponent
1	White	Loss	Kawamura Norihiko	2549.95
2	Black	Draw	Ooi Kozo	2255.32
3	White	Win	Mitsuyama M	1890.51
4	Black	Draw	Jonsson Peter	2092.09
6	White	Win	Doi Manabu	2126.08
7	Black	Loss	Arai Yutaka	2258.11