Koiso Shigemasa (小磯重正)

Place: Omihachiman, Japan

Rating: 2083.96, Std: 265.63, Rank: -

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

Top rating: 2218.21 (2005-05-08)

Games: 143, Wins: 51, Draws: 10, Losses: 82

Gy1: 0, Gy2: 0, Gy5: 0

57 Meijinsen Qualification Kansai area 1st round
Date	2019-05-19		Rating	2083.96
Round	Color	Result	Opponent
2	White	Loss	Hayashi Shoichi	2168.48
3	Black	Win	Sakamoto Suzan	2266.78
4	Black	Loss	Hata Masayuki	2175.84
55 Meijinsen Qualification Kansai area 1st round
Date	2017-05-21		Rating	2084.78
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2275.21
2	Black	Loss	Matsui Tsunehiro	2193.88
3	Black	Loss	Kashihara Akihiko	2328.94
4	Black	Loss	Nishida Toshio	2091.91
53 Meijinsen Qualification Kansai area 2nd round
Date	2015-06-21		Rating	2185.52
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2670.46
2	White	Loss	Kawamura Norihiko	2642.45
3	Black	Loss	Iio Yoshihiro	2528.70
53 Meijinsen Qualification Kansai area 1st round
Date	2015-05-17		Rating	2191.52
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2282.34
2	Black	Win	Miyagawa Junzo	2247.18
3	White	Loss	Kawamura Norihiko	2644.63
4	Black	Win	Tachi Masaya	2483.67
52 Meijinsen Qualification Kansai area 1st round
Date	2014-05-18		Rating	2173.74
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2541.64
2	Black	Loss	Sakamoto Suzan	2306.95
3	White	Win	Kon Akira	1987.57
4	Black	Draw	Miyagawa Junzo	2212.33
51 Meijinsen Qualification Kansai area 1st round
Date	2013-05-19		Rating	2160.58
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2093.68
3	White	Loss	Kon Akira	1987.64
4	Black	Win	Sakamoto Suzan	2299.63
5	White	Loss	Iio Yoshihiro	2493.51
8th Kansai Championship 1st round
Date	2012-10-08		Rating	2171.44
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2587.54
2	Black	Win	Kon Akira	1993.35
3	Black	Loss	Miyagawa Junzo	2217.71
4	Black	Loss	Iio Yoshihiro	2473.02
5	White	Win	Takahashi Roi	2174.97
50 Meijinsen Qualification Kansai area 1st round
Date	2012-05-20		Rating	2176.70
Round	Color	Result	Opponent
1	Black	Loss	Kise Katsumi	2551.55
3	White	Win	Kon Akira	2008.26
4	Black	Loss	Sakamoto Suzan	2341.14
5	White	Win	Kubo Izumi	2089.53
7th Kansai Championship 1st round
Date	2011-10-23		Rating	2178.27
Round	Color	Result	Opponent
3	Black	Win	Kon Akira	2019.89
4	White	Win	Hata Masayuki	2233.80
5	Black	Loss	Sakamoto Suzan	2359.29
6th All Japan Championship
Date	2011-03-27		Rating	2165.72
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2598.30
2	Black	Win	Miyagawa Sou	2119.83
3	White	Loss	Oosumi Yuuki	2741.19
4	Black	Loss	Ozawa Tetsushi	2096.16
5	White	Loss	Kawano Takahisa	2353.29
6	Black	Loss	Miyagawa Junzo	2220.03
48th Meijinsen Tournament
Date	2010-09-20		Rating	2174.37
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2698.63
2	White	Loss	Oosumi Yuuki	2704.76
3	Black	Win	Sakamoto Suzan	2351.67
4	White	Loss	Tamada Yoichi	2499.67
5	Black	Loss	Yamaguchi Yusui	2593.08
6	White	Loss	Matsuura Hiroshi	2393.46
7	White	Loss	Kawano Takahisa	2323.16
8	Black	Loss	Iio Yoshihiro	2531.68
9	Black	Loss	Ishitani Shin-ichi	2392.93
Meijinsen Qualification Kansai area 2nd round
Date	2010-06-20		Rating	2182.95
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2351.47
2	Black	Win	Takagawa Teiji	2187.49
3	White	Win	Ozawa Tetsushi	2081.74
Meijinsen Qualification Kansai area
Date	2010-05-16		Rating	2183.92
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2105.99
2	Black	Loss	Sakamoto Suzan	2350.50
3	Black	Loss	Yasumoto Yoshinobu	1987.13
4	White	Win	Hata Masayuki	2143.53
5	Black	Win	Miyagawa Junzo	2205.56
5th Kansai Championship 2nd round
Date	2009-11-15		Rating	2182.31
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2522.01
2	Black	Loss	Miyagawa Junzo	2201.01
3	Black	Win	Hata Masayuki	2160.63
4	Black	Loss	Sagara Takashi	2488.66
47th Meijinsen Qualification Kansai area 1st round
Date	2009-05-10		Rating	2165.41
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2116.60
2	White	Loss	Hata Masayuki	2193.22
3	Black	Win	Kon Akira	1963.12
4	Black	Loss	Sakamoto Suzan	2300.54
5	Black	Loss	Miyagawa Junzo	2201.26
4th Kansai Championship, 2nd round
Date	2008-11-16		Rating	2160.56
Round	Color	Result	Opponent
1	Black	Win	Kon Akira	1949.05
2	Black	Loss	Tamura Kazumasa	2485.56
3	Black	Loss	Takashima Junya	2529.99
4	White	Loss	Hata Masayuki	2239.99
46th Meijinsen Qualification Kansai area 1st round
Date	2008-05-11		Rating	2163.70
Round	Color	Result	Opponent
1	White	Loss	Sakamoto Suzan	2280.65
2	White	Win	Kon Akira	1940.22
3	Black	Loss	Tamura Kazumasa	2426.67
4	White	Loss	Matsui Tsunehiro	2181.92
5	Black	Win	Miyagawa Junzo	2256.95
3 Kansai Championship 2nd round
Date	2007-10-21		Rating	2170.33
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2266.02
2	Black	Loss	Oosumi Yuuki	2559.26
3	White	Loss	Miyagawa Junzo	2267.39
4	Black	Win	Ozawa Tetsushi	2029.37
45th Meijinsen Qualification Kansai area - 1st round
Date	2007-05-13		Rating	2166.97
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2221.55
2	Black	Loss	Takagawa Teiji	2262.00
3	Black	Loss	Miyagawa Junzo	2271.78
4	Black	Draw	Yasumoto Yoshinobu	2032.53
2nd Kansai Championship 2nd round
Date	2006-10-15		Rating	2170.22
Round	Color	Result	Opponent
1	Black	Win	Okuda Shingo	1956.14
2	Black	Loss	Sagara Takashi	2504.91
3	Black	Loss	Sakamoto Suzan	2284.96
4	White	Loss	Oosumi Yuuki	2465.34
Meijin-sen Qual, Kansai area 1st round
Date	2006-05-14		Rating	2179.38
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Sou	2156.69
2	Black	Loss	Takagawa Teiji	2303.26
3	Black	Loss	Hata Masayuki	2227.28
4	Black	Loss	Sakamoto Suzan	2285.25
1st Kansai Championship 2nd round
Date	2005-10-16		Rating	2206.93
Round	Color	Result	Opponent
1	Black	Win	Doi Manabu	2100.23
2	White	Loss	Takashima Junya	2515.05
3	Black	Win	Hata Masayuki	2211.45
4	White	Loss	Sagara Takashi	2491.53
43rd Meijinsen Qualification: Kansai area 1st round
Date	2005-05-08		Rating	2218.21
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2250.06
2	Black	Loss	Oosumi Yuuki	2375.17
3	Black	Win	Matsui Tsunehiro	2166.65
4	Black	Win	Yasumoto Yoshinobu	2033.41
42nd Meijinsen Qualification: Kansai area 2nd round
Date	2004-06-13		Rating	2206.90
Round	Color	Result	Opponent
1	Black	Loss	Sakamoto Suzan	2297.49
2	Black	Loss	Takagawa Teiji	2335.68
3	White	Loss	Ooi Kozo	2350.05
42nd Meijinsen Qualification: Kansai area 1st round
Date	2004-05-16		Rating	2209.05
Round	Color	Result	Opponent
1	White	Win	Tamura Kazumasa	2319.21
2	Black	Win	Sakamoto Suzan	2294.83
3	White	Win	Adachi Yasuhiro	2048.60
4	White	Loss	Ooi Kozo	2353.50
41st Meijinsen Qualification: Kansai area - 1st Round
Date	2003-05-18		Rating	2186.21
Round	Color	Result	Opponent
1	White	Win	Nakajima Mitsuo	1835.46
2	Black	Win	Adachi Yasuhiro	2030.70
3	Black	Loss	Miyagawa Junzo	2267.80
4	Black	Loss	Sakamoto Suzan	2257.80
40th Meijinsen Qualification: Kansai area 1st-Round
Date	2002-05-19		Rating	2178.58
Round	Color	Result	Opponent
1	Black	Draw	Miyagawa Sou	2055.91
2	Black	Win	Iwata Akihisa	2185.32
3	Black	Loss	Miyagawa Junzo	2245.82
4	White	Win	Takashima Junya	2298.57
World Championship 2001, BT
Date	2001-08-12		Rating	2153.99
Round	Color	Result	Opponent
1	Black	Loss	Tadokoro Hosai	1999.54
3	White	Win	Dzainukov Eldar	2014.01
4	Black	Loss	Tatsutomi Hiroyuki	2279.18
5	White	Draw	Samotsvetov Igor	2109.39
6	Black	Loss	Makarov Pavel	2493.42
7	White	Draw	Nosovsky Alexander	2174.02
8	White	Win	Chen Wei-Han	2110.03
Japan WC Qualification tournament 2001
Date	2001-03-24		Rating	2148.64
Round	Color	Result	Opponent
1	Black	Loss	Nara Hideki	2558.42
2	Black	Win	Kuramoto Hideharu	1786.64
3	White	Draw	Isobe Taizan	2442.30
4	White	Loss	Miyagawa Junzo	2208.05
5	Black	Draw	Okabe Hiroshi	2334.25
6	Black	Win	Miyoshi Takeo	2188.88
7	Black	Loss	Kusajima Masato	2388.52
32-nd Kyoto Classified - Special class
Date	2000-11-12		Rating	2135.50
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2193.10
2	Black	Loss	Hasegawa Kazuto	2560.63
3	Black	Win	Sakamoto Suzan	2181.46
4	White	Loss	Iio Yoshihiro	2372.51
5	Black	Win	Hayakawa Yoshimi	2421.89
38th Meijinsen Qualification: Kansai area 1st Round
Date	2000-05-21		Rating	2104.41
Round	Color	Result	Opponent
1	White	Draw	Kitamoto Kenji	1938.66
2	Black	Loss	Matsui Tsunehiro	2218.72
3	White	Loss	Tatsutomi Hiroyuki	2242.02
4	Black	Loss	Funamoto Tadashi	1916.42
Kyoto - 1200
Date	1994-08-07		Rating	2109.73
Round	Color	Result	Opponent
1	White	Loss	Kawamura Norihiko	2554.27
2	Black	Draw	Ooi Kozo	2257.73
3	White	Win	Mitsuyama M	1891.82
4	Black	Draw	Jonsson Peter	2095.45
6	White	Win	Doi Manabu	2128.38
7	Black	Loss	Arai Yutaka	2260.98