Koiso Shigemasa (小磯重正)

Place: Omihachiman, Japan

Rating: 2063.62, Std: 189.88, Rank: 582

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

Top rating: 2192.54 (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	2063.62
Round	Color	Result	Opponent
2	White	Loss	Hayashi Shoichi	2132.60
3	Black	Win	Sakamoto Suzan	2232.79
4	Black	Loss	Hata Masayuki	2134.99
55 Meijinsen Qualification Kansai area 1st round
Date	2017-05-21		Rating	2067.68
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2240.54
2	Black	Loss	Matsui Tsunehiro	2157.75
3	Black	Loss	Kashihara Akihiko	2297.54
4	Black	Loss	Nishida Toshio	2058.11
53 Meijinsen Qualification Kansai area 2nd round
Date	2015-06-21		Rating	2142.69
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2618.41
2	White	Loss	Kawamura Norihiko	2595.61
3	Black	Loss	Iio Yoshihiro	2488.84
53 Meijinsen Qualification Kansai area 1st round
Date	2015-05-17		Rating	2147.09
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2250.80
2	Black	Win	Miyagawa Junzo	2208.47
3	White	Loss	Kawamura Norihiko	2597.75
4	Black	Win	Tachi Masaya	2446.88
52 Meijinsen Qualification Kansai area 1st round
Date	2014-05-18		Rating	2138.46
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2497.00
2	Black	Loss	Sakamoto Suzan	2271.73
3	White	Win	Kon Akira	1961.36
4	Black	Draw	Miyagawa Junzo	2182.70
51 Meijinsen Qualification Kansai area 1st round
Date	2013-05-19		Rating	2132.59
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2064.41
3	White	Loss	Kon Akira	1963.59
4	Black	Win	Sakamoto Suzan	2271.99
5	White	Loss	Iio Yoshihiro	2462.47
8th Kansai Championship 1st round
Date	2012-10-08		Rating	2141.62
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2560.65
2	Black	Win	Kon Akira	1969.05
3	Black	Loss	Miyagawa Junzo	2188.18
4	Black	Loss	Iio Yoshihiro	2447.52
5	White	Win	Takahashi Roi	2144.26
50 Meijinsen Qualification Kansai area 1st round
Date	2012-05-20		Rating	2146.17
Round	Color	Result	Opponent
1	Black	Loss	Kise Katsumi	2518.74
3	White	Win	Kon Akira	1980.24
4	Black	Loss	Sakamoto Suzan	2305.87
5	White	Win	Kubo Izumi	2065.03
7th Kansai Championship 1st round
Date	2011-10-23		Rating	2148.69
Round	Color	Result	Opponent
3	Black	Win	Kon Akira	1989.09
4	White	Win	Hata Masayuki	2201.59
5	Black	Loss	Sakamoto Suzan	2320.62
6th All Japan Championship
Date	2011-03-27		Rating	2142.02
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2577.32
2	Black	Win	Miyagawa Sou	2101.38
3	White	Loss	Oosumi Yuuki	2704.49
4	Black	Loss	Ozawa Tetsushi	2067.01
5	White	Loss	Kawano Takahisa	2326.67
6	Black	Loss	Miyagawa Junzo	2194.80
48th Meijinsen Tournament
Date	2010-09-20		Rating	2149.45
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2665.35
2	White	Loss	Oosumi Yuuki	2671.59
3	Black	Win	Sakamoto Suzan	2317.68
4	White	Loss	Tamada Yoichi	2456.43
5	Black	Loss	Yamaguchi Yusui	2566.10
6	White	Loss	Matsuura Hiroshi	2356.89
7	White	Loss	Kawano Takahisa	2303.50
8	Black	Loss	Iio Yoshihiro	2495.71
9	Black	Loss	Ishitani Shin-ichi	2364.61
Meijinsen Qualification Kansai area 2nd round
Date	2010-06-20		Rating	2156.30
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2317.85
2	Black	Win	Takagawa Teiji	2181.06
3	White	Win	Ozawa Tetsushi	2058.93
Meijinsen Qualification Kansai area
Date	2010-05-16		Rating	2157.30
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2084.89
2	Black	Loss	Sakamoto Suzan	2317.19
3	Black	Loss	Yasumoto Yoshinobu	1967.94
4	White	Win	Hata Masayuki	2139.40
5	Black	Win	Miyagawa Junzo	2186.92
5th Kansai Championship 2nd round
Date	2009-11-15		Rating	2157.38
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2492.16
2	Black	Loss	Miyagawa Junzo	2184.82
3	Black	Win	Hata Masayuki	2152.59
4	Black	Loss	Sagara Takashi	2464.62
47th Meijinsen Qualification Kansai area 1st round
Date	2009-05-10		Rating	2146.82
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2094.04
2	White	Loss	Hata Masayuki	2177.17
3	Black	Win	Kon Akira	1946.56
4	Black	Loss	Sakamoto Suzan	2281.86
5	Black	Loss	Miyagawa Junzo	2187.70
4th Kansai Championship, 2nd round
Date	2008-11-16		Rating	2144.17
Round	Color	Result	Opponent
1	Black	Win	Kon Akira	1936.73
2	Black	Loss	Tamura Kazumasa	2456.61
3	Black	Loss	Takashima Junya	2504.70
4	White	Loss	Hata Masayuki	2211.61
46th Meijinsen Qualification Kansai area 1st round
Date	2008-05-11		Rating	2147.28
Round	Color	Result	Opponent
1	White	Loss	Sakamoto Suzan	2268.64
2	White	Win	Kon Akira	1931.15
3	Black	Loss	Tamura Kazumasa	2410.58
4	White	Loss	Matsui Tsunehiro	2161.66
5	Black	Win	Miyagawa Junzo	2232.00
3 Kansai Championship 2nd round
Date	2007-10-21		Rating	2152.86
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2261.53
2	Black	Loss	Oosumi Yuuki	2527.43
3	White	Loss	Miyagawa Junzo	2242.44
4	Black	Win	Ozawa Tetsushi	2019.76
45th Meijinsen Qualification Kansai area - 1st round
Date	2007-05-13		Rating	2151.42
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2199.12
2	Black	Loss	Takagawa Teiji	2245.94
3	Black	Loss	Miyagawa Junzo	2246.46
4	Black	Draw	Yasumoto Yoshinobu	2007.33
2nd Kansai Championship 2nd round
Date	2006-10-15		Rating	2155.20
Round	Color	Result	Opponent
1	Black	Win	Okuda Shingo	1943.75
2	Black	Loss	Sagara Takashi	2475.88
3	Black	Loss	Sakamoto Suzan	2269.98
4	White	Loss	Oosumi Yuuki	2444.60
Meijin-sen Qual, Kansai area 1st round
Date	2006-05-14		Rating	2162.64
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Sou	2135.09
2	Black	Loss	Takagawa Teiji	2279.61
3	Black	Loss	Hata Masayuki	2200.47
4	Black	Loss	Sakamoto Suzan	2268.55
1st Kansai Championship 2nd round
Date	2005-10-16		Rating	2183.31
Round	Color	Result	Opponent
1	Black	Win	Doi Manabu	2084.94
2	White	Loss	Takashima Junya	2484.42
3	Black	Win	Hata Masayuki	2187.67
4	White	Loss	Sagara Takashi	2465.82
43rd Meijinsen Qualification: Kansai area 1st round
Date	2005-05-08		Rating	2192.54
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2234.31
2	Black	Loss	Oosumi Yuuki	2365.64
3	Black	Win	Matsui Tsunehiro	2155.04
4	Black	Win	Yasumoto Yoshinobu	2010.76
42nd Meijinsen Qualification: Kansai area 2nd round
Date	2004-06-13		Rating	2187.09
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2272.02
2	Black	Loss	Takagawa Teiji	2309.97
3	White	Loss	Ooi Kozo	2314.86
42nd Meijinsen Qualification: Kansai area 1st round
Date	2004-05-16		Rating	2188.77
Round	Color	Result	Opponent
1	White	Win	Tamura Kazumasa	2306.21
2	Black	Win	Sakamoto Suzan	2270.15
3	White	Win	Adachi Yasuhiro	2027.52
4	White	Loss	Ooi Kozo	2317.29
41st Meijinsen Qualification: Kansai area - 1st Round
Date	2003-05-18		Rating	2177.24
Round	Color	Result	Opponent
1	White	Win	Nakajima Mitsuo	1834.23
2	Black	Win	Adachi Yasuhiro	2012.75
3	Black	Loss	Miyagawa Junzo	2250.11
4	Black	Loss	Sakamoto Suzan	2243.09
40th Meijinsen Qualification: Kansai area 1st-Round
Date	2002-05-19		Rating	2176.58
Round	Color	Result	Opponent
1	Black	Draw	Miyagawa Sou	2048.30
2	Black	Win	Iwata Akihisa	2173.59
3	Black	Loss	Miyagawa Junzo	2236.56
4	White	Win	Takashima Junya	2307.22
World Championship BT
Date	2001-08-12		Rating	2163.93
Round	Color	Result	Opponent
1	Black	Loss	Tadokoro Hosai	1986.25
3	White	Win	Dzainukov Eldar	2030.89
4	Black	Win	Tatsutomi Hiroyuki	2188.64
5	White	Draw	Samotsvetov Igor	2100.27
6	Black	Loss	Makarov Pavel	2462.16
7	White	Draw	Nosovsky Alexander	2094.60
8	White	Win	Chen Wei-Han	2113.27
Japan WC Qualification tournament
Date	2001-03-24		Rating	2155.44
Round	Color	Result	Opponent
1	White	Loss	Nara Hideki	2536.21
2	Black	Win	Kuramoto Hideharu	1781.10
3	White	Draw	Isobe Taizan	2422.91
4	Black	Loss	Miyagawa Junzo	2214.49
5	Black	Draw	Okabe Hiroshi	2337.48
6	White	Win	Miyoshi Takeo	2178.02
7	White	Loss	Kusajima Masato	2360.07
32-nd Kyoto Classified - Special class
Date	2000-11-12		Rating	2143.10
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2180.03
2	Black	Loss	Hasegawa Kazuto	2543.60
3	Black	Win	Sakamoto Suzan	2180.13
4	White	Loss	Iio Yoshihiro	2359.71
5	Black	Win	Hayakawa Yoshimi	2405.91
38th Meijinsen Qualification: Kansai area 1st Round
Date	2000-05-21		Rating	2118.79
Round	Color	Result	Opponent
1	White	Draw	Kitamoto Kenji	1939.24
2	Black	Loss	Matsui Tsunehiro	2205.76
3	White	Loss	Tatsutomi Hiroyuki	2175.62
4	Black	Loss	Funamoto Tadashi	1919.97
Kyoto - 1200
Date	1994-08-07		Rating	2106.64
Round	Color	Result	Opponent
1	White	Loss	Kawamura Norihiko	2532.73
2	Black	Draw	Ooi Kozo	2242.98
3	White	Win	Mitsuyama M	1884.63
4	Black	Draw	Jonsson Peter	2079.22
6	White	Win	Doi Manabu	2106.59
7	Black	Loss	Arai Yutaka	2229.78