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57 Meijinsen Qualification Kansai area 1st round
2019-05-19
Rating: 2041.96 -> 2030.35
Opponent Rating Round Result R. Change
Hayashi Shoichi 1980 2
loss
 -18.82
Sakamoto Hirouji 2169 3
win
 +21.61
Hata Masayuki 2076 4
loss
 -14.40
55 Meijinsen Qualification Kansai area 1st round
2017-05-21
Rating: 2102.47 -> 2041.96
Opponent Rating Round Result R. Change
Sakamoto Hirouji 2140 1
loss
 -14.28
Matsui Tsunehiro 2121 2
loss
 -15.11
Kashihara Akihiko 2238 3
loss
 -10.05
Nishida Toshio 1988 4
loss
 -21.08
53 Meijinsen Qualification Kansai area 2nd round
2015-06-21
Rating: 2118.69 -> 2102.47
Opponent Rating Round Result R. Change
Hasegawa Kazuto 2485 1
loss
 -3.46
Kawamura Norihiko 2384 2
loss
 -5.70
Iio Yoshihiro 2338 3
loss
 -7.05
53 Meijinsen Qualification Kansai area 1st round
2015-05-17
Rating: 2056.44 -> 2118.69
Opponent Rating Round Result R. Change
Sakamoto Hirouji 2197 1
win
 +22.15
Miyagawa Junzo 2076 2
win
 +16.91
Kawamura Norihiko 2372 3
loss
 -4.46
Tachi Masaya 2377 4
win
 +27.64
52 Meijinsen Qualification Kansai area 1st round
2014-05-18
Rating: 2063 -> 2056.44
Opponent Rating Round Result R. Change
Iio Yoshihiro 2412 1
loss
 -3.77
Sakamoto Hirouji 2178 2
loss
 -10.85
Kon Akira 1957 3
win
 +11.30
Miyagawa Junzo 1991 4
draw
 -3.23
51 Meijinsen Qualification Kansai area 1st round
2013-05-19
Rating: 2091.91 -> 2063
Opponent Rating Round Result R. Change
Kubo Izumi 1999 1
loss
 -20.14
Kon Akira 1888 3
loss
 -24.41
Sakamoto Hirouji 2246 4
win
 +22.70
Iio Yoshihiro 2311 5
loss
 -7.06
8th Kansai Championship 1st round
2012-10-08
Rating: 2111.28 -> 2091.91
Opponent Rating Round Result R. Change
Hasegawa Kazuto 2435 1
loss
 -4.29
Kon Akira 1915 2
win
 +7.82
Miyagawa Junzo 2115 3
loss
 -15.82
Iio Yoshihiro 2329 4
loss
 -7.08
Takahashi Roi   5
win
 -
50 Meijinsen Qualification Kansai area 1st round
2012-05-20
Rating: 2105.54 -> 2111.28
Opponent Rating Round Result R. Change
Kise Katsumi 2379 1
loss
 -5.48
Kon Akira 1922 3
win
 +8.27
Sakamoto Hirouji 2220 4
loss
 -10.89
Kubo Izumi 2058 5
win
 +13.85
7th Kansai Championship 1st round
2011-10-23
Rating: 2090.7 -> 2105.54
Opponent Rating Round Result R. Change
Kon Akira 1921 3
win
 +8.77
Hata Masayuki 2080 4
win
 +15.55
Sakamoto Hirouji 2240 5
loss
 -9.49
6th All Japan Championship
2011-03-26 -> 2011-03-27
Rating: 2123.15 -> 2090.7
Opponent Rating Round Result R. Change
Hasegawa Kazuto 2602 1
loss
 -1.91
Miyagawa Sou 2036 2
win
 +12.11
Oosumi Yuuki 2661 3
loss
 -1.38
Ozawa Tetsushi 2025 4
loss
 -20.38
Kawano Takahisa 2329 5
loss
 -7.49
Miyagawa Junzo 2180 6
loss
 -13.40
48th Meijinsen Tournament
2010-09-18 -> 2010-09-20
Rating: 2145.46 -> 2123.15
Opponent Rating Round Result R. Change
Okabe Hiroshi 2557 1
loss
 -2.73
Oosumi Yuuki 2452 2
loss
 -4.66
Sakamoto Hirouji 2272 3
win
 +21.60
Tamada Yoichi 2329 4
loss
 -8.25
Yamaguchi Yusui 2422 5
loss
 -5.41
Matsuura Hiroshi 2346 6
loss
 -7.65
Kawano Takahisa   7
loss
 -
Iio Yoshihiro 2409 8
loss
 -5.75
Ishitani Shin-ichi 2296 9
loss
 -9.45
Meijinsen Qualification Kansai area 2nd round
2010-06-20
Rating: 2126.4 -> 2145.46
Opponent Rating Round Result R. Change
Sakamoto Hirouji 2259 1
loss
 -10.17
Takagawa Teiji 2228 2
win
 +20.56
Ozawa Tetsushi 1954 3
win
 +8.67
Meijinsen Qualification Kansai area
2010-05-16
Rating: 2111.83 -> 2126.4
Opponent Rating Round Result R. Change
Kubo Izumi 2051 1
win
 +13.27
Sakamoto Hirouji 2204 2
loss
 -11.82
Yasumoto Yoshinobu 1981 3
loss
 -21.74
Hata Masayuki 2145 4
win
 +17.54
Miyagawa Junzo 2140 5
win
 +17.33
5th Kansai Championship 2nd round
2009-11-15
Rating: 2081 -> 2111.83
Opponent Rating Round Result R. Change
Iio Yoshihiro 2413 1
win
 +27.88
Miyagawa Junzo 2113 2
loss
 -14.52
Hata Masayuki 2178 3
win
 +20.39
Sagara Takashi 2480 4
loss
 -2.92
RIF update 2009-05-15
2009-05-15
Rating: 2100.86 -> 2081
47th Meijinsen Qualification Kansai area 1st round
2009-05-10
Rating: 2122.35 -> 2100.86
Opponent Rating Round Result R. Change
Kubo Izumi 2005 1
win
 +10.80
Hata Masayuki 2222 2
loss
 -11.49
Kon Akira 1866 3
win
 +5.96
Sakamoto Hirouji 2156 4
loss
 -14.44
Miyagawa Junzo 2203 5
loss
 -12.31
4th Kansai Championship, 2nd round
2008-11-16
Rating: 2151.74 -> 2122.35
Opponent Rating Round Result R. Change
Kon Akira   1
win
 -
Tamura Kazumasa 2270 2
loss
 -10.75
Takashima Junya 2372 3
loss
 -7.01
Hata Masayuki 2249 4
loss
 -11.63
46th Meijinsen Qualification Kansai area 1st round
2008-05-11
Rating: 2180.39 -> 2151.74
Opponent Rating Round Result R. Change
Sakamoto Hirouji 2133 1
loss
 -18.15
Kon Akira   2
win
 -
Tamura Kazumasa 2290 3
loss
 -11.10
Matsui Tsunehiro 2197 4
loss
 -15.20
Miyagawa Junzo 2176 5
win
 +15.80
3 Kansai Championship 2nd round
2007-10-21
Rating: 2175.06 -> 2180.39
Opponent Rating Round Result R. Change
Sakamoto Hirouji 2203 1
win
 +17.33
Oosumi Yuuki 2444 2
loss
 -5.61
Miyagawa Junzo 2163 3
loss
 -16.53
Ozawa Tetsushi 2041 4
win
 +10.14
45th Meijinsen Qualification Kansai area - 1st round
2007-05-13
Rating: 2184.21 -> 2175.06
Opponent Rating Round Result R. Change
Hata Masayuki 2145 1
win
 +14.21
Takagawa Teiji 2332 2
loss
 -9.57
Miyagawa Junzo 2232 3
loss
 -13.78
Yasumoto Yoshinobu   4
draw
 -
2nd Kansai Championship 2nd round
2006-10-15
Rating: 2211.85 -> 2184.21
Opponent Rating Round Result R. Change
Okuda Shingo 1884 1
win
 +4.22
Sagara Takashi 2496 2
loss
 -5.21
Sakamoto Hirouji 2242 3
loss
 -14.58
Oosumi Yuuki 2298 4
loss
 -12.08
Meijin-sen Qual, Kansai area 1st round
2006-05-14
Rating: 2253.94 -> 2211.85
Opponent Rating Round Result R. Change
Miyagawa Sou 2010 1
win
 +6.33
Takagawa Teiji 2347 2
loss
 -11.81
Hata Masayuki 2177 3
loss
 -19.48
Sakamoto Hirouji 2229 4
loss
 -17.13
1st Kansai Championship 2nd round
2005-10-16
Rating: 2246.07 -> 2253.94
Opponent Rating Round Result R. Change
Doi Manabu 2175 1
win
 +12.79
Takashima Junya 2389 2
loss
 -9.73
Hata Masayuki 2111 3
win
 +10.08
Sagara Takashi 2528 4
loss
 -5.27
43rd Meijinsen Qualification: Kansai area 1st round
2005-05-08
Rating: 2206.79 -> 2246.07
Opponent Rating Round Result R. Change
Miyagawa Junzo 2258 1
win
 +18.36
Oosumi Yuuki   2
loss
 -
Matsui Tsunehiro 2317 3
win
 +20.91
Yasumoto Yoshinobu   4
win
 -
42nd Meijinsen Qualification: Kansai area 2nd round
2004-06-13
Rating: 2245.49 -> 2206.79
Opponent Rating Round Result R. Change
Sakamoto Hirouji 2163 1
loss
 -19.72
Takagawa Teiji 2327 2
loss
 -12.30
Ooi Kozo 2476 3
loss
 -6.69
42nd Meijinsen Qualification: Kansai area 1st round
2004-05-16
Rating: 2217.5 -> 2245.49
Opponent Rating Round Result R. Change
Tamura Kazumasa 2193 1
win
 +14.90
Sakamoto Hirouji 2141 2
win
 +12.56
Adachi Yasuhiro 1999 3
win
 +7.09
Ooi Kozo 2453 4
loss
 -6.56
41st Meijinsen Qualification: Kansai area - 1st Round
2003-05-18
Rating: 2228.75 -> 2217.5
Opponent Rating Round Result R. Change
Nakajima Mitsuo 2256 1
win
 +17.25
Adachi Yasuhiro 1974 2
win
 +6.02
Miyagawa Junzo 2191 3
loss
 -17.70
Sakamoto Hirouji 2210 4
loss
 -16.83
40th Meijinsen Qualification: Kansai area 1st-Round
2002-05-19
Rating: 2233 -> 2228.75
Opponent Rating Round Result R. Change
Miyagawa Sou   1
draw
 -
Iwata Akihisa 2184 2
win
 +13.79
Miyagawa Junzo 2188 3
loss
 -18.04
Takashima Junya   4
win
 -
World Championship BT
2001-08-07 -> 2001-08-12
Rating: 2223.64 -> 2233
Opponent Rating Round Result R. Change
Tadokoro Hosai   1
loss
 -
Dzainukov Eldar 2120 3
win
 +11.39
Tatsutomi Hiroyuki 2181 4
win
 +14.08
Samotsvetov Igor   5
draw
 -
Makarov Pavel 2321 6
loss
 -11.59
Nosovsky Alexandr 2123 7
draw
 -4.51
Chen Wei-Han   8
win
 -
Japan WC Qualification tournament
2001-03-23 -> 2001-03-24
Rating: 2225.11 -> 2223.64
Opponent Rating Round Result R. Change
Nara Hideki 2653 1
loss
 -2.51
Kuramoto Hideharu   2
win
 -
Isobe Taizan 2470 3
draw
 +9.72
Miyagawa Junzo 2154 4
loss
 -19.23
Okabe Hiroshi   5
draw
 -
Miyoshi Takeo 2344 6
win
 +21.27
Kusajima Masato 2344 7
loss
 -10.73
32-nd Kyoto Classified - Special class
2000-11-12
Rating: 2206.96 -> 2225.11
Opponent Rating Round Result R. Change
Miyoshi Takeo 2305 1
loss
 -11.58
Hasegawa Kazuto 2658 2
loss
 -2.22
Sakamoto Hirouji 2246 3
win
 +17.80
Iio Yoshihiro 2309 4
loss
 -11.39
Hayakawa Yoshimi 2445 5
win
 +25.54
38th Meijinsen Qualification: Kansai area 1st Round
2000-05-21
Rating: 2239 -> 2206.96
Opponent Rating Round Result R. Change
Kitamoto Kenji   1
draw
 -
Matsui Tsunehiro 2317 2
loss
 -12.47
Tatsutomi Hiroyuki 2160 3
loss
 -19.58
Funamoto Tadashi   4
loss
 -
RIF update 1999-12-31
1999-12-31
Rating: 2239
1st World Championship by Correspondence in Renju
0000-00-00 -> 1982-06-30
Provisional: N/A
Opponent Rating Round Result R. Change
Zahle Torben Ulrik   A
loss
 -
Meder Harold   A
win
 -
Meder Harold   A
win
 -
Kotzev Konstantin B.   A
loss
 -
Kotzev Konstantin B.   A
win
 -
Haga Itaru   A
win
 -
Haga Itaru   A
win
 -
Zahle Torben Ulrik   A
draw
 -
Name: Shigemasa
Surname: Koiso
Rating: 2030
Top Rating: 2253

Country: Japan
City: Omihachiman

Wins: 50
Losses: 79
Draws: 8
Gy1: 0
Gy2: 0
Gy5: 3
Hover the mouse over the opponent's name to see the personal score of Shigemasa Koiso with this player.
Time: 0.019485235214233 sec.