Koiso Shigemasa (小磯重正)

Place: Omihachiman, Japan

Rating: 2056.36, Std: 177.39, Rank: 505

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

Top rating: 2187.61 (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	2056.36
Round	Color	Result	Opponent
2	White	Loss	Hayashi Shoichi	2113.95
3	Black	Win	Sakamoto Hirouji	2225.37
4	Black	Loss	Hata Masayuki	2135.50
55 Meijinsen Qualification Kansai area 1st round
Date	2017-05-21		Rating	2060.71
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Hirouji	2233.31
2	Black	Loss	Matsui Tsunehiro	2147.46
3	Black	Loss	Kashihara Akihiko	2290.90
4	Black	Loss	Nishida Toshio	2051.09
53 Meijinsen Qualification Kansai area 2nd round
Date	2015-06-21		Rating	2136.23
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2611.26
2	White	Loss	Kawamura Norihiko	2588.16
3	Black	Loss	Iio Yoshihiro	2481.85
53 Meijinsen Qualification Kansai area 1st round
Date	2015-05-17		Rating	2140.66
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Hirouji	2244.40
2	Black	Win	Miyagawa Junzo	2202.13
3	White	Loss	Kawamura Norihiko	2590.34
4	Black	Win	Tachi Masaya	2440.07
52 Meijinsen Qualification Kansai area 1st round
Date	2014-05-18		Rating	2132.34
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2490.48
2	Black	Loss	Sakamoto Hirouji	2265.63
3	White	Win	Kon Akira	1956.11
4	Black	Draw	Miyagawa Junzo	2176.58
51 Meijinsen Qualification Kansai area 1st round
Date	2013-05-19		Rating	2126.75
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2059.03
3	White	Loss	Kon Akira	1958.43
4	Black	Win	Sakamoto Hirouji	2266.13
5	White	Loss	Iio Yoshihiro	2456.30
8th Kansai Championship 1st round
Date	2012-10-08		Rating	2135.94
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2554.54
2	Black	Win	Kon Akira	1963.92
3	Black	Loss	Miyagawa Junzo	2182.48
4	Black	Loss	Iio Yoshihiro	2441.51
5	White	Win	Takahashi Roi	2139.23
50 Meijinsen Qualification Kansai area 1st round
Date	2012-05-20		Rating	2140.58
Round	Color	Result	Opponent
1	Black	Loss	Kise Katsumi	2512.93
3	White	Win	Kon Akira	1975.13
4	Black	Loss	Sakamoto Hirouji	2300.20
5	White	Win	Kubo Izumi	2059.72
7th Kansai Championship 1st round
Date	2011-10-23		Rating	2143.22
Round	Color	Result	Opponent
3	Black	Win	Kon Akira	1984.05
4	White	Win	Hata Masayuki	2196.36
5	Black	Loss	Sakamoto Hirouji	2315.07
6th All Japan Championship
Date	2011-03-27		Rating	2136.65
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2571.53
2	Black	Win	Miyagawa Sou	2096.56
3	White	Loss	Oosumi Yuuki	2698.59
4	Black	Loss	Ozawa Tetsushi	2062.11
5	White	Loss	Kawano Takahisa	2320.82
6	Black	Loss	Miyagawa Junzo	2189.51
48th Meijinsen Tournament
Date	2010-09-20		Rating	2144.16
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2659.55
2	White	Loss	Oosumi Yuuki	2665.87
3	Black	Win	Sakamoto Hirouji	2312.32
4	White	Loss	Tamada Yoichi	2450.96
5	Black	Loss	Yamaguchi Yusui	2560.27
6	White	Loss	Matsuura Hiroshi	2352.21
7	White	Loss	Kawano Takahisa	2297.86
8	Black	Loss	Iio Yoshihiro	2490.13
9	Black	Loss	Ishitani Shin-ichi	2359.52
Meijinsen Qualification Kansai area 2nd round
Date	2010-06-20		Rating	2151.05
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Hirouji	2312.54
2	Black	Win	Takagawa Teiji	2175.81
3	White	Win	Ozawa Tetsushi	2054.19
Meijinsen Qualification Kansai area
Date	2010-05-16		Rating	2152.07
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2079.90
2	Black	Loss	Sakamoto Hirouji	2311.90
3	Black	Loss	Yasumoto Yoshinobu	1963.22
4	White	Win	Hata Masayuki	2134.30
5	Black	Win	Miyagawa Junzo	2181.79
5th Kansai Championship 2nd round
Date	2009-11-15		Rating	2152.22
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2486.77
2	Black	Loss	Miyagawa Junzo	2179.74
3	Black	Win	Hata Masayuki	2147.53
4	Black	Loss	Sagara Takashi	2459.12
47th Meijinsen Qualification Kansai area 1st round
Date	2009-05-10		Rating	2141.71
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2089.25
2	White	Loss	Hata Masayuki	2172.16
3	Black	Win	Kon Akira	1942.15
4	Black	Loss	Sakamoto Hirouji	2276.71
5	Black	Loss	Miyagawa Junzo	2182.65
4th Kansai Championship, 2nd round
Date	2008-11-16		Rating	2139.11
Round	Color	Result	Opponent
1	Black	Win	Kon Akira	1932.49
2	Black	Loss	Tamura Kazumasa	2451.31
3	Black	Loss	Takashima Junya	2499.21
4	White	Loss	Hata Masayuki	2206.62
46th Meijinsen Qualification Kansai area 1st round
Date	2008-05-11		Rating	2142.26
Round	Color	Result	Opponent
1	White	Loss	Sakamoto Hirouji	2263.53
2	White	Win	Kon Akira	1927.08
3	Black	Loss	Tamura Kazumasa	2405.38
4	White	Loss	Matsui Tsunehiro	2156.39
5	Black	Win	Miyagawa Junzo	2226.94
3 Kansai Championship 2nd round
Date	2007-10-21		Rating	2147.88
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Hirouji	2256.43
2	Black	Loss	Oosumi Yuuki	2522.23
3	White	Loss	Miyagawa Junzo	2237.37
4	Black	Win	Ozawa Tetsushi	2015.75
45th Meijinsen Qualification Kansai area - 1st round
Date	2007-05-13		Rating	2146.46
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2194.27
2	Black	Loss	Takagawa Teiji	2240.89
3	Black	Loss	Miyagawa Junzo	2241.42
4	Black	Draw	Yasumoto Yoshinobu	2002.84
2nd Kansai Championship 2nd round
Date	2006-10-15		Rating	2150.26
Round	Color	Result	Opponent
1	Black	Win	Okuda Shingo	1939.97
2	Black	Loss	Sagara Takashi	2470.28
3	Black	Loss	Sakamoto Hirouji	2264.96
4	White	Loss	Oosumi Yuuki	2439.62
Meijin-sen Qual, Kansai area 1st round
Date	2006-05-14		Rating	2157.69
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Sou	2130.33
2	Black	Loss	Takagawa Teiji	2274.58
3	Black	Loss	Hata Masayuki	2195.71
4	Black	Loss	Sakamoto Hirouji	2263.55
1st Kansai Championship 2nd round
Date	2005-10-16		Rating	2178.37
Round	Color	Result	Opponent
1	Black	Win	Doi Manabu	2080.24
2	White	Loss	Takashima Junya	2479.58
3	Black	Win	Hata Masayuki	2182.97
4	White	Loss	Sagara Takashi	2460.03
43rd Meijinsen Qualification: Kansai area 1st round
Date	2005-05-08		Rating	2187.61
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2229.43
2	Black	Loss	Oosumi Yuuki	2360.95
3	Black	Win	Matsui Tsunehiro	2150.25
4	Black	Win	Yasumoto Yoshinobu	2006.51
42nd Meijinsen Qualification: Kansai area 2nd round
Date	2004-06-13		Rating	2182.12
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Hirouji	2266.91
2	Black	Loss	Takagawa Teiji	2304.91
3	White	Loss	Ooi Kozo	2309.44
42nd Meijinsen Qualification: Kansai area 1st round
Date	2004-05-16		Rating	2183.80
Round	Color	Result	Opponent
1	White	Win	Tamura Kazumasa	2300.24
2	Black	Win	Sakamoto Hirouji	2265.03
3	White	Win	Adachi Yasuhiro	2022.99
4	White	Loss	Ooi Kozo	2311.87
41st Meijinsen Qualification: Kansai area - 1st Round
Date	2003-05-18		Rating	2172.30
Round	Color	Result	Opponent
1	White	Win	Nakajima Mitsuo	1832.03
2	Black	Win	Adachi Yasuhiro	2008.28
3	Black	Loss	Miyagawa Junzo	2245.00
4	Black	Loss	Sakamoto Hirouji	2237.77
40th Meijinsen Qualification: Kansai area 1st-Round
Date	2002-05-19		Rating	2171.62
Round	Color	Result	Opponent
1	Black	Draw	Miyagawa Sou	2044.48
2	Black	Win	Iwata Akihisa	2168.18
3	Black	Loss	Miyagawa Junzo	2231.51
4	White	Win	Takashima Junya	2302.49
World Championship BT
Date	2001-08-12		Rating	2158.95
Round	Color	Result	Opponent
1	Black	Loss	Tadokoro Hosai	1981.88
3	White	Win	Dzainukov Eldar	2026.75
4	Black	Win	Tatsutomi Hiroyuki	2181.76
5	White	Draw	Samotsvetov Igor	2096.27
6	Black	Loss	Makarov Pavel	2452.90
7	White	Draw	Nosovsky Alexander	2093.35
8	White	Win	Chen Wei-Han	2106.02
Japan WC Qualification tournament
Date	2001-03-24		Rating	2150.45
Round	Color	Result	Opponent
1	White	Loss	Nara Hideki	2529.70
2	Black	Win	Kuramoto Hideharu	1777.73
3	White	Draw	Isobe Taizan	2417.24
4	Black	Loss	Miyagawa Junzo	2209.53
5	Black	Draw	Okabe Hiroshi	2332.21
6	White	Win	Miyoshi Takeo	2172.89
7	White	Loss	Kusajima Masato	2354.42
32-nd Kyoto Classified - Special class
Date	2000-11-12		Rating	2138.12
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2174.92
2	Black	Loss	Hasegawa Kazuto	2536.97
3	Black	Win	Sakamoto Hirouji	2173.94
4	White	Loss	Iio Yoshihiro	2354.00
5	Black	Win	Hayakawa Yoshimi	2399.42
38th Meijinsen Qualification: Kansai area 1st Round
Date	2000-05-21		Rating	2113.89
Round	Color	Result	Opponent
1	White	Draw	Kitamoto Kenji	1936.39
2	Black	Loss	Matsui Tsunehiro	2201.47
3	White	Loss	Tatsutomi Hiroyuki	2168.01
4	Black	Loss	Funamoto Tadashi	1917.49
Kyoto - 1200
Date	1994-08-07		Rating	2102.35
Round	Color	Result	Opponent
1	White	Loss	Kawamura Norihiko	2523.82
2	Black	Draw	Ooi Kozo	2236.34
3	White	Win	Mitsuyama M	1881.71
4	Black	Draw	Jonsson Peter	2071.59
6	White	Win	Doi Manabu	2104.87
7	Black	Loss	Arai Yutaka	2225.12