Koiso Shigemasa (小磯重正)

Place: Omihachiman, Japan

Rating: 2084.21, Std: 262.15, Rank: -

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

Top rating: 2224.11 (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	2084.21
Round	Color	Result	Opponent
2	White	Loss	Hayashi Shoichi	2168.47
3	Black	Win	Sakamoto Suzan	2266.85
4	Black	Loss	Hata Masayuki	2175.61
55 Meijinsen Qualification Kansai area 1st round
Date	2017-05-21		Rating	2085.13
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2275.48
2	Black	Loss	Matsui Tsunehiro	2193.96
3	Black	Loss	Kashihara Akihiko	2329.27
4	Black	Loss	Nishida Toshio	2092.23
53 Meijinsen Qualification Kansai area 2nd round
Date	2015-06-21		Rating	2186.00
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2670.88
2	White	Loss	Kawamura Norihiko	2642.95
3	Black	Loss	Iio Yoshihiro	2529.21
53 Meijinsen Qualification Kansai area 1st round
Date	2015-05-17		Rating	2192.01
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2282.82
2	Black	Win	Miyagawa Junzo	2247.68
3	White	Loss	Kawamura Norihiko	2645.14
4	Black	Win	Tachi Masaya	2484.31
52 Meijinsen Qualification Kansai area 1st round
Date	2014-05-18		Rating	2174.29
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2542.25
2	Black	Loss	Sakamoto Suzan	2307.49
3	White	Win	Kon Akira	1987.93
4	Black	Draw	Miyagawa Junzo	2212.78
51 Meijinsen Qualification Kansai area 1st round
Date	2013-05-19		Rating	2161.20
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2094.12
3	White	Loss	Kon Akira	1988.04
4	Black	Win	Sakamoto Suzan	2300.26
5	White	Loss	Iio Yoshihiro	2494.08
8th Kansai Championship 1st round
Date	2012-10-08		Rating	2172.12
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2587.91
2	Black	Win	Kon Akira	1993.76
3	Black	Loss	Miyagawa Junzo	2218.15
4	Black	Loss	Iio Yoshihiro	2473.58
5	White	Win	Takahashi Roi	2175.39
50 Meijinsen Qualification Kansai area 1st round
Date	2012-05-20		Rating	2177.44
Round	Color	Result	Opponent
1	Black	Loss	Kise Katsumi	2551.97
3	White	Win	Kon Akira	2008.67
4	Black	Loss	Sakamoto Suzan	2341.89
5	White	Win	Kubo Izumi	2089.97
7th Kansai Championship 1st round
Date	2011-10-23		Rating	2179.11
Round	Color	Result	Opponent
3	Black	Win	Kon Akira	2020.31
4	White	Win	Hata Masayuki	2234.63
5	Black	Loss	Sakamoto Suzan	2360.21
6th All Japan Championship
Date	2011-03-27		Rating	2166.68
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2598.59
2	Black	Win	Miyagawa Sou	2120.30
3	White	Loss	Oosumi Yuuki	2741.31
4	Black	Loss	Ozawa Tetsushi	2096.60
5	White	Loss	Kawano Takahisa	2353.48
6	Black	Loss	Miyagawa Junzo	2220.67
48th Meijinsen Tournament
Date	2010-09-20		Rating	2175.50
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2698.22
2	White	Loss	Oosumi Yuuki	2705.03
3	Black	Win	Sakamoto Suzan	2353.19
4	White	Loss	Tamada Yoichi	2500.05
5	Black	Loss	Yamaguchi Yusui	2593.43
6	White	Loss	Matsuura Hiroshi	2393.73
7	White	Loss	Kawano Takahisa	2323.33
8	Black	Loss	Iio Yoshihiro	2532.10
9	Black	Loss	Ishitani Shin-ichi	2393.09
Meijinsen Qualification Kansai area 2nd round
Date	2010-06-20		Rating	2184.21
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2353.25
2	Black	Win	Takagawa Teiji	2188.91
3	White	Win	Ozawa Tetsushi	2082.28
Meijinsen Qualification Kansai area
Date	2010-05-16		Rating	2185.23
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2106.60
2	Black	Loss	Sakamoto Suzan	2352.39
3	Black	Loss	Yasumoto Yoshinobu	1988.26
4	White	Win	Hata Masayuki	2144.71
5	Black	Win	Miyagawa Junzo	2206.43
5th Kansai Championship 2nd round
Date	2009-11-15		Rating	2183.91
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2522.57
2	Black	Loss	Miyagawa Junzo	2201.99
3	Black	Win	Hata Masayuki	2162.03
4	Black	Loss	Sagara Takashi	2490.00
47th Meijinsen Qualification Kansai area 1st round
Date	2009-05-10		Rating	2167.34
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2117.14
2	White	Loss	Hata Masayuki	2194.86
3	Black	Win	Kon Akira	1963.77
4	Black	Loss	Sakamoto Suzan	2304.51
5	Black	Loss	Miyagawa Junzo	2202.44
4th Kansai Championship, 2nd round
Date	2008-11-16		Rating	2162.84
Round	Color	Result	Opponent
1	Black	Win	Kon Akira	1949.74
2	Black	Loss	Tamura Kazumasa	2486.61
3	Black	Loss	Takashima Junya	2529.43
4	White	Loss	Hata Masayuki	2241.84
46th Meijinsen Qualification Kansai area 1st round
Date	2008-05-11		Rating	2166.46
Round	Color	Result	Opponent
1	White	Loss	Sakamoto Suzan	2289.76
2	White	Win	Kon Akira	1940.92
3	Black	Loss	Tamura Kazumasa	2427.88
4	White	Loss	Matsui Tsunehiro	2184.09
5	Black	Win	Miyagawa Junzo	2258.43
3 Kansai Championship 2nd round
Date	2007-10-21		Rating	2173.56
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2279.96
2	Black	Loss	Oosumi Yuuki	2559.59
3	White	Loss	Miyagawa Junzo	2268.48
4	Black	Win	Ozawa Tetsushi	2030.36
45th Meijinsen Qualification Kansai area - 1st round
Date	2007-05-13		Rating	2170.45
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2224.04
2	Black	Loss	Takagawa Teiji	2264.12
3	Black	Loss	Miyagawa Junzo	2272.69
4	Black	Draw	Yasumoto Yoshinobu	2034.61
2nd Kansai Championship 2nd round
Date	2006-10-15		Rating	2174.20
Round	Color	Result	Opponent
1	Black	Win	Okuda Shingo	1956.91
2	Black	Loss	Sagara Takashi	2506.56
3	Black	Loss	Sakamoto Suzan	2293.22
4	White	Loss	Oosumi Yuuki	2466.00
Meijin-sen Qual, Kansai area 1st round
Date	2006-05-14		Rating	2183.76
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Sou	2157.99
2	Black	Loss	Takagawa Teiji	2305.27
3	Black	Loss	Hata Masayuki	2229.76
4	Black	Loss	Sakamoto Suzan	2291.77
1st Kansai Championship 2nd round
Date	2005-10-16		Rating	2212.03
Round	Color	Result	Opponent
1	Black	Win	Doi Manabu	2101.92
2	White	Loss	Takashima Junya	2515.62
3	Black	Win	Hata Masayuki	2214.04
4	White	Loss	Sagara Takashi	2493.19
43rd Meijinsen Qualification: Kansai area 1st round
Date	2005-05-08		Rating	2224.11
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2251.00
2	Black	Loss	Oosumi Yuuki	2375.71
3	Black	Win	Matsui Tsunehiro	2168.54
4	Black	Win	Yasumoto Yoshinobu	2035.18
42nd Meijinsen Qualification: Kansai area 2nd round
Date	2004-06-13		Rating	2215.31
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2300.29
2	Black	Loss	Takagawa Teiji	2336.95
3	White	Loss	Ooi Kozo	2352.72
42nd Meijinsen Qualification: Kansai area 1st round
Date	2004-05-16		Rating	2217.74
Round	Color	Result	Opponent
1	White	Win	Tamura Kazumasa	2319.93
2	Black	Win	Sakamoto Suzan	2297.58
3	White	Win	Adachi Yasuhiro	2050.43
4	White	Loss	Ooi Kozo	2356.17
41st Meijinsen Qualification: Kansai area - 1st Round
Date	2003-05-18		Rating	2200.01
Round	Color	Result	Opponent
1	White	Win	Nakajima Mitsuo	1837.35
2	Black	Win	Adachi Yasuhiro	2032.32
3	Black	Loss	Miyagawa Junzo	2268.96
4	Black	Loss	Sakamoto Suzan	2259.82
40th Meijinsen Qualification: Kansai area 1st-Round
Date	2002-05-19		Rating	2199.69
Round	Color	Result	Opponent
1	Black	Draw	Miyagawa Sou	2057.72
2	Black	Win	Iwata Akihisa	2186.66
3	Black	Loss	Miyagawa Junzo	2247.60
4	White	Win	Takashima Junya	2299.56
World Championship 2001, BT
Date	2001-08-12		Rating	2184.02
Round	Color	Result	Opponent
1	Black	Loss	Tadokoro Hosai	2003.52
3	White	Win	Dzainukov Eldar	2017.33
4	Black	Win	Tatsutomi Hiroyuki	2229.67
5	White	Draw	Samotsvetov Igor	2108.11
6	Black	Loss	Makarov Pavel	2493.58
7	White	Draw	Nosovsky Alexander	2172.33
8	White	Win	Chen Wei-Han	2113.67
Japan WC Qualification tournament
Date	2001-03-24		Rating	2172.44
Round	Color	Result	Opponent
1	White	Loss	Nara Hideki	2558.43
2	Black	Win	Kuramoto Hideharu	1786.85
3	White	Draw	Isobe Taizan	2443.77
4	Black	Loss	Miyagawa Junzo	2210.31
5	Black	Draw	Okabe Hiroshi	2336.09
6	White	Win	Miyoshi Takeo	2194.21
7	White	Loss	Kusajima Masato	2387.37
32-nd Kyoto Classified - Special class
Date	2000-11-12		Rating	2155.62
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2200.42
2	Black	Loss	Hasegawa Kazuto	2561.03
3	Black	Win	Sakamoto Suzan	2182.85
4	White	Loss	Iio Yoshihiro	2370.61
5	Black	Win	Hayakawa Yoshimi	2421.68
38th Meijinsen Qualification: Kansai area 1st Round
Date	2000-05-21		Rating	2121.44
Round	Color	Result	Opponent
1	White	Draw	Kitamoto Kenji	1940.06
2	Black	Loss	Matsui Tsunehiro	2220.53
3	White	Loss	Tatsutomi Hiroyuki	2212.36
4	Black	Loss	Funamoto Tadashi	1918.37
Kyoto - 1200
Date	1994-08-07		Rating	2116.10
Round	Color	Result	Opponent
1	White	Loss	Kawamura Norihiko	2556.24
2	Black	Draw	Ooi Kozo	2259.64
3	White	Win	Mitsuyama M	1892.29
4	Black	Draw	Jonsson Peter	2098.02
6	White	Win	Doi Manabu	2129.25
7	Black	Loss	Arai Yutaka	2262.23