55 Meijinsen Qualification Kansai area 1st round
2017-05-21
Rating: 2102.57 -> 2042.07
Opponent Rating Round Result R. Change
Sakamoto Hirouji 2140 1
loss
-14.27
Matsui Tsunehiro 2121 2
loss
-15.12
Kashihara Akihiko 2237 3
loss
-10.07
Nishida Toshio 1989 4
loss
-21.04
53 Meijinsen Qualification Kansai area 2nd round
2015-06-21
Rating: 2118.82 -> 2102.57
Opponent Rating Round Result R. Change
Hasegawa Kazuto 2484 1
loss
-3.48
Kawamura Norihiko 2383 2
loss
-5.72
Iio Yoshihiro 2338 3
loss
-7.06
53 Meijinsen Qualification Kansai area 1st round
2015-05-17
Rating: 2056.61 -> 2118.82
Opponent Rating Round Result R. Change
Sakamoto Hirouji 2197 1
win
+22.15
Miyagawa Junzo 2076 2
win
+16.90
Kawamura Norihiko 2372 3
loss
-4.48
Tachi Masaya 2377 4
win
+27.64
52 Meijinsen Qualification Kansai area 1st round
2014-05-18
Rating: 2063.15 -> 2056.61
Opponent Rating Round Result R. Change
Iio Yoshihiro 2414 1
loss
-3.75
Sakamoto Hirouji 2179 2
loss
-10.85
Kon Akira 1957 3
win
+11.30
Miyagawa Junzo 1991 4
draw
-3.24
51 Meijinsen Qualification Kansai area 1st round
2013-05-19
Rating: 2092.09 -> 2063.15
Opponent Rating Round Result R. Change
Kubo Izumi 2000 1
loss
-20.14
Kon Akira 1889 3
loss
-24.41
Sakamoto Hirouji 2247 4
win
+22.70
Iio Yoshihiro 2310 5
loss
-7.08
8th Kansai Championship 1st round
2012-10-08
Rating: 2111.47 -> 2092.09
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
-15.80
Iio Yoshihiro 2328 4
loss
-7.12
Takahashi Roi   5
win
-
50 Meijinsen Qualification Kansai area 1st round
2012-05-20
Rating: 2105.53 -> 2111.47
Opponent Rating Round Result R. Change
Kise Katsumi 2387 1
loss
-5.28
Kon Akira 1922 3
win
+8.28
Sakamoto Hirouji 2219 4
loss
-10.91
Kubo Izumi 2058 5
win
+13.85
7th Kansai Championship 1st round
2011-10-23
Rating: 2090.69 -> 2105.53
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: 2123.14 -> 2090.69
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: 2145.45 -> 2123.14
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 2328 4
loss
-8.26
Yamaguchi Yusui 2421 5
loss
-5.41
Matsuura Hiroshi 2346 6
loss
-7.65
Kawano Takahisa   7
loss
-
Iio Yoshihiro 2409 8
loss
-5.76
Ishitani Shin-ichi 2296 9
loss
-9.45
Meijinsen Qualification Kansai area 2nd round
2010-06-20
Rating: 2126.4 -> 2145.45
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: 2100.73 -> 2081
47th Meijinsen Qualification Kansai area 1st round
2009-05-10
Rating: 2122.24 -> 2100.73
Opponent Rating Round Result R. Change
Kubo Izumi 2005 1
win
+10.80
Hata Masayuki 2222 2
loss
-11.50
Kon Akira 1865 3
win
+5.96
Sakamoto Hirouji 2156 4
loss
-14.44
Miyagawa Junzo 2203 5
loss
-12.32
4th Kansai Championship, 2nd round
2008-11-16
Rating: 2151.65 -> 2122.24
Opponent Rating Round Result R. Change
Kon Akira   1
win
-
Tamura Kazumasa 2269 2
loss
-10.76
Takashima Junya 2372 3
loss
-7.02
Hata Masayuki 2249 4
loss
-11.63
46th Meijinsen Qualification Kansai area 1st round
2008-05-11
Rating: 2180.32 -> 2151.65
Opponent Rating Round Result R. Change
Sakamoto Hirouji 2133 1
loss
-18.16
Kon Akira   2
win
-
Tamura Kazumasa 2290 3
loss
-11.11
Matsui Tsunehiro 2197 4
loss
-15.20
Miyagawa Junzo 2175 5
win
+15.79
3 Kansai Championship 2nd round
2007-10-21
Rating: 2175.04 -> 2180.32
Opponent Rating Round Result R. Change
Sakamoto Hirouji 2203 1
win
+17.31
Oosumi Yuuki 2443 2
loss
-5.62
Miyagawa Junzo 2163 3
loss
-16.55
Ozawa Tetsushi 2041 4
win
+10.14
45th Meijinsen Qualification Kansai area - 1st round
2007-05-13
Rating: 2184.19 -> 2175.04
Opponent Rating Round Result R. Change
Hata Masayuki 2145 1
win
+14.20
Takagawa Teiji 2332 2
loss
-9.57
Miyagawa Junzo 2232 3
loss
-13.79
Yasumoto Yoshinobu   4
draw
-
2nd Kansai Championship 2nd round
2006-10-15
Rating: 2211.85 -> 2184.19
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
-12.09
Meijin-sen Qual, Kansai area 1st round
2006-05-14
Rating: 2253.93 -> 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 -> 2253.93
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: 2042
Top Rating: 2253

Country: Japan
City: Omihachiman

Wins: 49
Losses: 77
Draws: 8
Gy1: 4
Gy2: 4
Gy5: 23
Hover the mouse over the opponent's name to see the personal score of Shigemasa Koiso with this player.
Time: 0.015350818634 sec.