Koiso Shigemasa (小磯重正)

Place: Omihachiman, Japan

Rating: 2073.13, Std: 233.17, Rank: -

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

Top rating: 2220.90 (2005-05-08)

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

Gy1: 0, Gy2: 0, Gy5: 0

57 Meijinsen Qualification Kansai area 1st round
Date	2019-05-19		Rating	2073.13
Round	Color	Result	Opponent
2	White	Loss	Hayashi Shoichi	2154.80
3	Black	Win	Sakamoto Suzan	2253.37
4	Black	Loss	Hata Masayuki	2158.19
55 Meijinsen Qualification Kansai area 1st round
Date	2017-05-21		Rating	2075.25
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2264.63
2	Black	Loss	Matsui Tsunehiro	2181.44
3	Black	Loss	Kashihara Akihiko	2319.29
4	Black	Loss	Nishida Toshio	2081.90
53 Meijinsen Qualification Kansai area 2nd round
Date	2015-06-21		Rating	2177.67
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2662.56
2	White	Loss	Kawamura Norihiko	2635.19
3	Black	Loss	Iio Yoshihiro	2520.89
53 Meijinsen Qualification Kansai area 1st round
Date	2015-05-17		Rating	2183.75
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2274.17
2	Black	Win	Miyagawa Junzo	2239.91
3	White	Loss	Kawamura Norihiko	2637.44
4	Black	Win	Tachi Masaya	2475.65
52 Meijinsen Qualification Kansai area 1st round
Date	2014-05-18		Rating	2166.84
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2534.78
2	Black	Loss	Sakamoto Suzan	2299.78
3	White	Win	Kon Akira	1980.96
4	Black	Draw	Miyagawa Junzo	2205.64
51 Meijinsen Qualification Kansai area 1st round
Date	2013-05-19		Rating	2154.52
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2087.54
3	White	Loss	Kon Akira	1981.69
4	Black	Win	Sakamoto Suzan	2293.41
5	White	Loss	Iio Yoshihiro	2487.38
8th Kansai Championship 1st round
Date	2012-10-08		Rating	2165.90
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2581.76
2	Black	Win	Kon Akira	1987.80
3	Black	Loss	Miyagawa Junzo	2212.12
4	Black	Loss	Iio Yoshihiro	2467.36
5	White	Win	Takahashi Roi	2169.39
50 Meijinsen Qualification Kansai area 1st round
Date	2012-05-20		Rating	2171.50
Round	Color	Result	Opponent
1	Black	Loss	Kise Katsumi	2546.11
3	White	Win	Kon Akira	2002.99
4	Black	Loss	Sakamoto Suzan	2335.85
5	White	Win	Kubo Izumi	2084.10
7th Kansai Championship 1st round
Date	2011-10-23		Rating	2173.58
Round	Color	Result	Opponent
3	Black	Win	Kon Akira	2015.03
4	White	Win	Hata Masayuki	2229.07
5	Black	Loss	Sakamoto Suzan	2354.62
6th All Japan Championship
Date	2011-03-27		Rating	2161.55
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2593.43
2	Black	Win	Miyagawa Sou	2116.19
3	White	Loss	Oosumi Yuuki	2736.17
4	Black	Loss	Ozawa Tetsushi	2091.73
5	White	Loss	Kawano Takahisa	2348.00
6	Black	Loss	Miyagawa Junzo	2215.64
48th Meijinsen Tournament
Date	2010-09-20		Rating	2170.70
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2693.31
2	White	Loss	Oosumi Yuuki	2700.32
3	Black	Win	Sakamoto Suzan	2348.39
4	White	Loss	Tamada Yoichi	2495.34
5	Black	Loss	Yamaguchi Yusui	2588.73
6	White	Loss	Matsuura Hiroshi	2389.10
7	White	Loss	Kawano Takahisa	2318.18
8	Black	Loss	Iio Yoshihiro	2527.20
9	Black	Loss	Ishitani Shin-ichi	2388.47
Meijinsen Qualification Kansai area 2nd round
Date	2010-06-20		Rating	2179.58
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2348.64
2	Black	Win	Takagawa Teiji	2184.39
3	White	Win	Ozawa Tetsushi	2077.86
Meijinsen Qualification Kansai area
Date	2010-05-16		Rating	2180.66
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2102.17
2	Black	Loss	Sakamoto Suzan	2347.84
3	Black	Loss	Yasumoto Yoshinobu	1984.14
4	White	Win	Hata Masayuki	2140.12
5	Black	Win	Miyagawa Junzo	2201.99
5th Kansai Championship 2nd round
Date	2009-11-15		Rating	2179.63
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2518.35
2	Black	Loss	Miyagawa Junzo	2197.90
3	Black	Win	Hata Masayuki	2157.74
4	Black	Loss	Sagara Takashi	2486.38
47th Meijinsen Qualification Kansai area 1st round
Date	2009-05-10		Rating	2163.35
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2113.41
2	White	Loss	Hata Masayuki	2190.85
3	Black	Win	Kon Akira	1960.08
4	Black	Loss	Sakamoto Suzan	2300.64
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	1946.33
2	Black	Loss	Tamura Kazumasa	2483.37
3	Black	Loss	Takashima Junya	2533.30
4	White	Loss	Hata Masayuki	2238.05
46th Meijinsen Qualification Kansai area 1st round
Date	2008-05-11		Rating	2162.89
Round	Color	Result	Opponent
1	White	Loss	Sakamoto Suzan	2286.49
2	White	Win	Kon Akira	1937.74
3	Black	Loss	Tamura Kazumasa	2424.67
4	White	Loss	Matsui Tsunehiro	2179.85
5	Black	Win	Miyagawa Junzo	2255.38
3 Kansai Championship 2nd round
Date	2007-10-21		Rating	2170.15
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2277.06
2	Black	Loss	Oosumi Yuuki	2556.44
3	White	Loss	Miyagawa Junzo	2265.91
4	Black	Win	Ozawa Tetsushi	2027.42
45th Meijinsen Qualification Kansai area - 1st round
Date	2007-05-13		Rating	2167.12
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2220.79
2	Black	Loss	Takagawa Teiji	2260.73
3	Black	Loss	Miyagawa Junzo	2270.25
4	Black	Draw	Yasumoto Yoshinobu	2031.37
2nd Kansai Championship 2nd round
Date	2006-10-15		Rating	2170.94
Round	Color	Result	Opponent
1	Black	Win	Okuda Shingo	1954.28
2	Black	Loss	Sagara Takashi	2503.37
3	Black	Loss	Sakamoto Suzan	2290.34
4	White	Loss	Oosumi Yuuki	2463.13
Meijin-sen Qual, Kansai area 1st round
Date	2006-05-14		Rating	2180.54
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Sou	2155.12
2	Black	Loss	Takagawa Teiji	2302.07
3	Black	Loss	Hata Masayuki	2226.75
4	Black	Loss	Sakamoto Suzan	2288.89
1st Kansai Championship 2nd round
Date	2005-10-16		Rating	2208.82
Round	Color	Result	Opponent
1	Black	Win	Doi Manabu	2098.87
2	White	Loss	Takashima Junya	2513.23
3	Black	Win	Hata Masayuki	2211.14
4	White	Loss	Sagara Takashi	2489.94
43rd Meijinsen Qualification: Kansai area 1st round
Date	2005-05-08		Rating	2220.90
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2248.64
2	Black	Loss	Oosumi Yuuki	2373.15
3	Black	Win	Matsui Tsunehiro	2165.45
4	Black	Win	Yasumoto Yoshinobu	2032.38
42nd Meijinsen Qualification: Kansai area 2nd round
Date	2004-06-13		Rating	2211.98
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2297.46
2	Black	Loss	Takagawa Teiji	2333.88
3	White	Loss	Ooi Kozo	2348.68
42nd Meijinsen Qualification: Kansai area 1st round
Date	2004-05-16		Rating	2214.40
Round	Color	Result	Opponent
1	White	Win	Tamura Kazumasa	2316.94
2	Black	Win	Sakamoto Suzan	2294.76
3	White	Win	Adachi Yasuhiro	2047.27
4	White	Loss	Ooi Kozo	2352.14
41st Meijinsen Qualification: Kansai area - 1st Round
Date	2003-05-18		Rating	2196.51
Round	Color	Result	Opponent
1	White	Win	Nakajima Mitsuo	1836.05
2	Black	Win	Adachi Yasuhiro	2028.97
3	Black	Loss	Miyagawa Junzo	2268.18
4	Black	Loss	Sakamoto Suzan	2257.15
40th Meijinsen Qualification: Kansai area 1st-Round
Date	2002-05-19		Rating	2195.79
Round	Color	Result	Opponent
1	Black	Draw	Miyagawa Sou	2055.50
2	Black	Win	Iwata Akihisa	2183.91
3	Black	Loss	Miyagawa Junzo	2249.71
4	White	Win	Takashima Junya	2297.56
World Championship 2001, BT
Date	2001-08-12		Rating	2179.34
Round	Color	Result	Opponent
1	Black	Loss	Tadokoro Hosai	2001.17
3	White	Win	Dzainukov Eldar	2014.58
4	Black	Win	Tatsutomi Hiroyuki	2217.29
5	White	Draw	Samotsvetov Igor	2103.85
6	Black	Loss	Makarov Pavel	2489.12
7	White	Draw	Nosovsky Alexander	2134.88
8	White	Win	Chen Wei-Han	2110.57
Japan WC Qualification tournament
Date	2001-03-24		Rating	2168.15
Round	Color	Result	Opponent
1	White	Loss	Nara Hideki	2555.13
2	Black	Win	Kuramoto Hideharu	1784.76
3	White	Draw	Isobe Taizan	2441.01
4	Black	Loss	Miyagawa Junzo	2219.52
5	Black	Draw	Okabe Hiroshi	2333.23
6	White	Win	Miyoshi Takeo	2189.91
7	White	Loss	Kusajima Masato	2384.09
32-nd Kyoto Classified - Special class
Date	2000-11-12		Rating	2151.35
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2196.24
2	Black	Loss	Hasegawa Kazuto	2557.36
3	Black	Win	Sakamoto Suzan	2180.14
4	White	Loss	Iio Yoshihiro	2366.93
5	Black	Win	Hayakawa Yoshimi	2416.99
38th Meijinsen Qualification: Kansai area 1st Round
Date	2000-05-21		Rating	2117.11
Round	Color	Result	Opponent
1	White	Draw	Kitamoto Kenji	1938.33
2	Black	Loss	Matsui Tsunehiro	2217.80
3	White	Loss	Tatsutomi Hiroyuki	2197.51
4	Black	Loss	Funamoto Tadashi	1916.89
Kyoto - 1200
Date	1994-08-07		Rating	2112.71
Round	Color	Result	Opponent
1	White	Loss	Kawamura Norihiko	2551.47
2	Black	Draw	Ooi Kozo	2255.38
3	White	Win	Mitsuyama M	1891.08
4	Black	Draw	Jonsson Peter	2092.31
6	White	Win	Doi Manabu	2126.09
7	Black	Loss	Arai Yutaka	2258.55