Koiso Shigemasa (小磯重正)

Place: Omihachiman, Japan

Rating: 2058.73, Std: 181.14, Rank: 500

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

Top rating: 2188.22 (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	2058.73
Round	Color	Result	Opponent
2	White	Loss	Hayashi Shoichi	2118.53
3	Black	Win	Sakamoto Hirouji	2229.99
4	Black	Loss	Hata Masayuki	2139.94
55 Meijinsen Qualification Kansai area 1st round
Date	2017-05-21		Rating	2062.63
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Hirouji	2235.80
2	Black	Loss	Matsui Tsunehiro	2149.24
3	Black	Loss	Kashihara Akihiko	2292.08
4	Black	Loss	Nishida Toshio	2053.08
53 Meijinsen Qualification Kansai area 2nd round
Date	2015-06-21		Rating	2137.71
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2612.33
2	White	Loss	Kawamura Norihiko	2589.23
3	Black	Loss	Iio Yoshihiro	2482.98
53 Meijinsen Qualification Kansai area 1st round
Date	2015-05-17		Rating	2142.12
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Hirouji	2245.87
2	Black	Win	Miyagawa Junzo	2203.23
3	White	Loss	Kawamura Norihiko	2591.39
4	Black	Win	Tachi Masaya	2440.98
52 Meijinsen Qualification Kansai area 1st round
Date	2014-05-18		Rating	2133.61
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2491.53
2	Black	Loss	Sakamoto Hirouji	2266.86
3	White	Win	Kon Akira	1957.09
4	Black	Draw	Miyagawa Junzo	2177.60
51 Meijinsen Qualification Kansai area 1st round
Date	2013-05-19		Rating	2127.86
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2059.98
3	White	Loss	Kon Akira	1959.33
4	Black	Win	Sakamoto Hirouji	2267.21
5	White	Loss	Iio Yoshihiro	2457.27
8th Kansai Championship 1st round
Date	2012-10-08		Rating	2136.96
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2555.45
2	Black	Win	Kon Akira	1964.78
3	Black	Loss	Miyagawa Junzo	2183.34
4	Black	Loss	Iio Yoshihiro	2442.43
5	White	Win	Takahashi Roi	2140.10
50 Meijinsen Qualification Kansai area 1st round
Date	2012-05-20		Rating	2141.55
Round	Color	Result	Opponent
1	Black	Loss	Kise Katsumi	2513.78
3	White	Win	Kon Akira	1975.97
4	Black	Loss	Sakamoto Hirouji	2301.15
5	White	Win	Kubo Izumi	2060.57
7th Kansai Championship 1st round
Date	2011-10-23		Rating	2144.12
Round	Color	Result	Opponent
3	Black	Win	Kon Akira	1984.84
4	White	Win	Hata Masayuki	2197.22
5	Black	Loss	Sakamoto Hirouji	2315.94
6th All Japan Championship
Date	2011-03-27		Rating	2137.50
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2572.33
2	Black	Win	Miyagawa Sou	2097.15
3	White	Loss	Oosumi Yuuki	2699.36
4	Black	Loss	Ozawa Tetsushi	2062.84
5	White	Loss	Kawano Takahisa	2321.83
6	Black	Loss	Miyagawa Junzo	2190.24
48th Meijinsen Tournament
Date	2010-09-20		Rating	2144.96
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2660.29
2	White	Loss	Oosumi Yuuki	2666.60
3	Black	Win	Sakamoto Hirouji	2313.10
4	White	Loss	Tamada Yoichi	2451.67
5	Black	Loss	Yamaguchi Yusui	2561.01
6	White	Loss	Matsuura Hiroshi	2353.08
7	White	Loss	Kawano Takahisa	2298.82
8	Black	Loss	Iio Yoshihiro	2490.89
9	Black	Loss	Ishitani Shin-ichi	2360.05
Meijinsen Qualification Kansai area 2nd round
Date	2010-06-20		Rating	2151.83
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Hirouji	2313.30
2	Black	Win	Takagawa Teiji	2176.54
3	White	Win	Ozawa Tetsushi	2054.86
Meijinsen Qualification Kansai area
Date	2010-05-16		Rating	2152.84
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2080.55
2	Black	Loss	Sakamoto Hirouji	2312.64
3	Black	Loss	Yasumoto Yoshinobu	1963.77
4	White	Win	Hata Masayuki	2135.04
5	Black	Win	Miyagawa Junzo	2182.46
5th Kansai Championship 2nd round
Date	2009-11-15		Rating	2152.96
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2487.47
2	Black	Loss	Miyagawa Junzo	2180.39
3	Black	Win	Hata Masayuki	2148.25
4	Black	Loss	Sagara Takashi	2459.79
47th Meijinsen Qualification Kansai area 1st round
Date	2009-05-10		Rating	2142.43
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2089.81
2	White	Loss	Hata Masayuki	2172.85
3	Black	Win	Kon Akira	1942.75
4	Black	Loss	Sakamoto Hirouji	2277.39
5	Black	Loss	Miyagawa Junzo	2183.29
4th Kansai Championship, 2nd round
Date	2008-11-16		Rating	2139.80
Round	Color	Result	Opponent
1	Black	Win	Kon Akira	1933.07
2	Black	Loss	Tamura Kazumasa	2451.95
3	Black	Loss	Takashima Junya	2499.85
4	White	Loss	Hata Masayuki	2207.29
46th Meijinsen Qualification Kansai area 1st round
Date	2008-05-11		Rating	2142.93
Round	Color	Result	Opponent
1	White	Loss	Sakamoto Hirouji	2264.18
2	White	Win	Kon Akira	1927.63
3	Black	Loss	Tamura Kazumasa	2406.00
4	White	Loss	Matsui Tsunehiro	2157.17
5	Black	Win	Miyagawa Junzo	2227.56
3 Kansai Championship 2nd round
Date	2007-10-21		Rating	2148.53
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Hirouji	2257.07
2	Black	Loss	Oosumi Yuuki	2522.86
3	White	Loss	Miyagawa Junzo	2237.98
4	Black	Win	Ozawa Tetsushi	2016.25
45th Meijinsen Qualification Kansai area - 1st round
Date	2007-05-13		Rating	2147.10
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2194.90
2	Black	Loss	Takagawa Teiji	2241.53
3	Black	Loss	Miyagawa Junzo	2242.02
4	Black	Draw	Yasumoto Yoshinobu	2003.38
2nd Kansai Championship 2nd round
Date	2006-10-15		Rating	2150.89
Round	Color	Result	Opponent
1	Black	Win	Okuda Shingo	1940.46
2	Black	Loss	Sagara Takashi	2470.93
3	Black	Loss	Sakamoto Hirouji	2265.58
4	White	Loss	Oosumi Yuuki	2440.22
Meijin-sen Qual, Kansai area 1st round
Date	2006-05-14		Rating	2158.32
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Sou	2130.87
2	Black	Loss	Takagawa Teiji	2275.21
3	Black	Loss	Hata Masayuki	2196.32
4	Black	Loss	Sakamoto Hirouji	2264.17
1st Kansai Championship 2nd round
Date	2005-10-16		Rating	2178.99
Round	Color	Result	Opponent
1	Black	Win	Doi Manabu	2080.85
2	White	Loss	Takashima Junya	2480.19
3	Black	Win	Hata Masayuki	2183.58
4	White	Loss	Sagara Takashi	2460.69
43rd Meijinsen Qualification: Kansai area 1st round
Date	2005-05-08		Rating	2188.22
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2230.01
2	Black	Loss	Oosumi Yuuki	2361.51
3	Black	Win	Matsui Tsunehiro	2150.89
4	Black	Win	Yasumoto Yoshinobu	2007.03
42nd Meijinsen Qualification: Kansai area 2nd round
Date	2004-06-13		Rating	2182.73
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Hirouji	2267.56
2	Black	Loss	Takagawa Teiji	2305.53
3	White	Loss	Ooi Kozo	2310.04
42nd Meijinsen Qualification: Kansai area 1st round
Date	2004-05-16		Rating	2184.42
Round	Color	Result	Opponent
1	White	Win	Tamura Kazumasa	2300.84
2	Black	Win	Sakamoto Hirouji	2265.69
3	White	Win	Adachi Yasuhiro	2023.58
4	White	Loss	Ooi Kozo	2312.46
41st Meijinsen Qualification: Kansai area - 1st Round
Date	2003-05-18		Rating	2172.91
Round	Color	Result	Opponent
1	White	Win	Nakajima Mitsuo	1832.33
2	Black	Win	Adachi Yasuhiro	2008.89
3	Black	Loss	Miyagawa Junzo	2245.61
4	Black	Loss	Sakamoto Hirouji	2238.49
40th Meijinsen Qualification: Kansai area 1st-Round
Date	2002-05-19		Rating	2172.23
Round	Color	Result	Opponent
1	Black	Draw	Miyagawa Sou	2045.23
2	Black	Win	Iwata Akihisa	2168.84
3	Black	Loss	Miyagawa Junzo	2232.14
4	White	Win	Takashima Junya	2303.07
World Championship BT
Date	2001-08-12		Rating	2159.55
Round	Color	Result	Opponent
1	Black	Loss	Tadokoro Hosai	1982.35
3	White	Win	Dzainukov Eldar	2027.32
4	Black	Win	Tatsutomi Hiroyuki	2182.46
5	White	Draw	Samotsvetov Igor	2096.68
6	Black	Loss	Makarov Pavel	2453.97
7	White	Draw	Nosovsky Alexander	2093.37
8	White	Win	Chen Wei-Han	2106.67
Japan WC Qualification tournament
Date	2001-03-24		Rating	2151.05
Round	Color	Result	Opponent
1	White	Loss	Nara Hideki	2530.56
2	Black	Win	Kuramoto Hideharu	1778.17
3	White	Draw	Isobe Taizan	2417.80
4	Black	Loss	Miyagawa Junzo	2210.16
5	Black	Draw	Okabe Hiroshi	2332.85
6	White	Win	Miyoshi Takeo	2173.68
7	White	Loss	Kusajima Masato	2355.10
32-nd Kyoto Classified - Special class
Date	2000-11-12		Rating	2138.72
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2175.75
2	Black	Loss	Hasegawa Kazuto	2537.68
3	Black	Win	Sakamoto Hirouji	2175.13
4	White	Loss	Iio Yoshihiro	2354.63
5	Black	Win	Hayakawa Yoshimi	2399.77
38th Meijinsen Qualification: Kansai area 1st Round
Date	2000-05-21		Rating	2114.47
Round	Color	Result	Opponent
1	White	Draw	Kitamoto Kenji	1936.87
2	Black	Loss	Matsui Tsunehiro	2202.08
3	White	Loss	Tatsutomi Hiroyuki	2168.70
4	Black	Loss	Funamoto Tadashi	1917.94
Kyoto - 1200
Date	1994-08-07		Rating	2102.73
Round	Color	Result	Opponent
1	White	Loss	Kawamura Norihiko	2526.09
2	Black	Draw	Ooi Kozo	2236.52
3	White	Win	Mitsuyama M	1881.96
4	Black	Draw	Jonsson Peter	2071.24
6	White	Win	Doi Manabu	2105.34
7	Black	Loss	Arai Yutaka	2225.56