JPN Mitsumori Masao (三森政男)

Place: Hasuta, Japan

Rating: 2250.73, Rank: 244

First game: 1991-08-10, Last game: 2019-05-12

Top rating: 2327.75 (1995-08-07)

Games: 227, Wins: 101, Draws: 14, Losses: 112

Gy1: 0, Gy2: 0, Gy5: 12

57 Meijinsen Qualification Kanto area 1st round
Date 2019-05-12 Rating 2250.73
Round Color Result Opponent
1 White Loss JPN Maruta Hiroki 2113.33
2 White Loss JPN Inoue Fumiya 2347.32
3 White Win JPN Iwano Fumio 2140.03
4 White Win JPN Maruta Koji 2059.47
56 Meijinsen Qualification Kanto area 1st round
Date 2018-05-13 Rating 2263.10
Round Color Result Opponent
1 White Win JPN Koyama Jun 2511.68
2 White Loss JPN Sato Kiyotomi 2375.89
3 Black Win JPN Iwano Fumio 2186.89
4 Black Loss JPN Ono Takayuki 2312.42
55 Meijinsen Qualification Kanto area 1st round
Date 2017-05-21 Rating 2263.94
Round Color Result Opponent
1 Black Draw JPN Chigira Makoto 2001.85
2 White Win JPN Iwano Fumio 2200.14
3 White Loss JPN Ono Takayuki 2304.94
4 White Loss JPN Sato Kiyotomi 2404.44
54 Meijinsen Qualification East Japan area 2nd round
Date 2016-06-12 Rating 2281.54
Round Color Result Opponent
1 Black Loss JPN Tamada Yoichi 2491.95
2 White Loss JPN Okabe Hiroshi 2648.61
3 White Loss JPN Kamiya Shunsuke 2652.62
4 White Draw JPN Koyama Jun 2551.50
5 White Win JPN Kusajima Masato 2204.16
54 Meijinsen Qualification Kanto area 1st round
Date 2016-05-22 Rating 2282.20
Round Color Result Opponent
1 White Win JPN Chigira Makoto 1990.44
2 White Win JPN Kamiya Shunsuke 2650.67
3 White Loss JPN Sato Kiyotomi 2439.79
4 White Win JPN Maruta Koji 2111.85
53 Meijinsen Qualification East Japan area 1st round
Date 2015-05-10 Rating 2264.90
Round Color Result Opponent
1 White Loss JPN Koyama Jun 2541.29
2 White Loss JPN Nakamura Souta 2222.05
3 Black Win JPN Chigira Makoto 1966.02
4 Black Win JPN Fujikawa Masaki 2051.77
10th All Japan Championship
Date 2015-03-29 Rating 2264.08
Round Color Result Opponent
1 White Win JPN Fujita Yudai 2320.44
2 White Loss JPN Tamada Yoichi 2504.63
3 White Win JPN Kubo Izumi 2027.96
4 White Loss JPN Koyama Jun 2534.40
5 White Loss JPN Tanizaki Ryusuke 2147.30
6 White Loss JPN Miyagawa Junzo 2175.21
1st Senior Masters Championship
Date 2014-08-29 Rating 2273.74
Round Color Result Opponent
1 White Win JPN Miyagawa Junzo 2157.20
2 Black Loss JPN Ishitani Shin-ichi 2377.52
3 Black Win JPN Miura Hitoshi 1762.15
4 White Win JPN Kubo Izumi 2030.47
5 White Loss JPN Isobe Taizan 2361.05
6 White Win JPN Kobayashi Koichi 2192.53
7 White Win JPN Kato Yasuhiro 2034.49
52 Meijinsen Qualification East Japan area 1st round
Date 2014-06-08 Rating 2274.80
Round Color Result Opponent
1 White Loss JPN Tamada Yoichi 2483.21
2 White Loss JPN Kawamura Norihiko 2579.24
3 White Win JPN Iwano Fumio 2194.99
4 White Win JPN Kudomi Takahiro 2263.92
Team World Championship
Date 2014-05-03 Rating 2273.95
Round Color Result Opponent
5 White Loss RUS Artemyev Sergey 2521.20
6 White Loss JPN Oosumi Yuuki 2746.39
51 Meijinsen Qualification East-Japan area 2nd round
Date 2013-07-21 Rating 2272.64
Round Color Result Opponent
1 White Loss JPN Kudomi Takahiro 2320.25
2 Black Win JPN Tomobe Katsuhiro 2098.19
3 White Win JPN Kato Yasuhiro 2069.96
4 White Loss JPN Sato Kiyotomi 2394.01
5 White Loss JPN Kamiya Shunsuke 2486.21
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2273.74
Round Color Result Opponent
1 White Loss JPN Kato Yasuhiro 2075.95
2 White Win JPN Kobayashi Koichi 2160.40
3 White Loss JPN Kamiya Shunsuke 2480.91
4 White Win JPN Ono Takayuki 2322.87
29th Kanto Championship
Date 2013-05-12 Rating 2275.05
Round Color Result Opponent
1 White Draw JPN Tada Ayako 2234.38
2 White Draw JPN Isobe Taizan 2336.38
3 Black Loss JPN Nakamura Shigeru 2795.38
4 White Win JPN Tomobe Katsuhiro 2103.53
5 White Loss JPN Kato Yasuhiro 2078.34
8th All Japan Championship
Date 2013-03-24 Rating 2278.71
Round Color Result Opponent
1 White Loss JPN Nakamura Shigeru 2796.47
2 White Win JPN Kubo Izumi 2029.90
3 White Win JPN Kato Yasuhiro 2075.57
4 White Loss JPN Isobe Taizan 2342.09
5 White Win JPN Kudomi Takahiro 2343.98
6 White Loss JPN Kamiya Shunsuke 2468.40
16th Mikami Cup Tournament
Date 2013-01-20 Rating 2281.95
Round Color Result Opponent
S1 White Loss JPN Okabe Hiroshi 2648.87
S2 White Loss JPN Fukui Nobuhiro 2491.26
S3 White Win JPN Kobayashi Koichi 2157.23
S4 White Win JPN Ishitani Shin-ichi 2309.92
S5 Black Loss JPN Kudomi Takahiro 2346.53
13 Kanto Renju Emperor Tournament 1st round
Date 2012-10-21 Rating 2285.82
Round Color Result Opponent
1 White Win JPN Kato Yasuhiro 2052.09
2 White Loss JPN Maruta Koji 2088.59
3 White Loss JPN Ono Takayuki 2354.19
4 White Win JPN Maruta Hiroki 2064.12
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2299.41
Round Color Result Opponent
1 Black Win JPN Maruta Koji 2075.11
2 White Win JPN Sato Kiyotomi 2337.10
3 Black Loss JPN Nakamura Shigeru 2805.25
4 White Loss JPN Kudomi Takahiro 2352.51
29th Kanto Championship
Date 2012-05-13 Rating 2300.99
Round Color Result Opponent
1 Black Win JPN Kato Yasuhiro 2025.78
2 White Loss JPN Kudomi Takahiro 2352.51
3 White Win JPN Nakayama Tomoharu 2546.09
4 White Loss JPN Nakamura Shigeru 2804.95
5 White Win JPN Iwano Fumio 2089.93
15th Mikami Cup Tournament
Date 2012-03-11 Rating 2302.35
Round Color Result Opponent
S2 White Loss JPN Oosumi Yuuki 2715.68
S3 White Win JPN Tadokoro Hosai 1843.57
S4 White Loss JPN Nakamura Shigeru 2799.78
S5 Black Loss JPN Ishitani Shin-ichi 2313.35
7th All Japan Championship
Date 2012-01-29 Rating 2304.99
Round Color Result Opponent
1 Black Win JPN Suzuki Rin 1944.38
2 White Loss JPN Iio Yoshihiro 2414.94
3 White Win JPN Kobayashi Koichi 2149.79
4 White Win JPN Ishitani Shin-ichi 2317.53
5 White Loss JPN Oosumi Yuuki 2712.36
6 White Win JPN Tamada Yoichi 2422.37
12 Kanto Renju Emperor Tournament 2nd round
Date 2012-01-15 Rating 2304.68
Round Color Result Opponent
1 White Win JPN Nakayama Tomoharu 2529.48
2 White Loss JPN Okabe Hiroshi 2628.71
3 White Loss JPN Nakamura Shigeru 2796.25
4 White Loss JPN Oosumi Yuuki 2710.86
5 White Loss JPN Kamiya Shunsuke 2408.73
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2301.86
Round Color Result Opponent
1 White Win JPN Kobayashi Koichi 2133.48
2 White Loss JPN Kamiya Shunsuke 2397.77
3 White Win JPN Ono Takayuki 2342.81
4 White Win JPN Kudomi Takahiro 2344.51
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2287.22
Round Color Result Opponent
1 White Loss JPN Nagao Noriaki 2371.44
2 White Loss JPN Ono Takayuki 2336.32
3 White Loss JPN Kudomi Takahiro 2335.74
4 White Win JPN Maruta Hiroki 2057.23
28th Kanto Championship
Date 2011-05-22 Rating 2286.52
Round Color Result Opponent
1 White Loss JPN Fujikawa Masaki 2028.32
2 Black Win JPN Maruta Hiroki 2059.01
3 White Loss JPN Tomobe Katsuhiro 2165.12
4 White Win JPN Ono Takayuki 2335.96
5 White Win JPN Nakayama Tomoharu 2484.73
14th Mikami Cup Tournament
Date 2011-01-30 Rating 2282.31
Round Color Result Opponent
S1 White Win JPN Gakumazawa Hideaki 2037.39
S2 White Loss JPN Oosumi Yuuki 2659.90
S3 White Loss JPN Ono Takayuki 2335.06
S5 Black Loss JPN Nakamura Shigeru 2773.60
11 Kanto Renju Emperor Tournament 2nd round
Date 2010-11-21 Rating 2281.69
Round Color Result Opponent
5 White Win JPN Fukui Nobuhiro 2292.57
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2280.70
Round Color Result Opponent
1 White Win JPN Iwano Fumio 2079.82
2 White Win JPN Nagao Noriaki 2359.97
3 White Loss JPN Okabe Hiroshi 2613.43
4 White Win JPN Ono Takayuki 2331.83
Meijinsen Qualification East-Japan area 1st round
Date 2010-06-27 Rating 2262.63
Round Color Result Opponent
1 Black Win JPN Kato Yasuhiro 2028.73
2 White Win JPN Fukui Nobuhiro 2261.77
3 White Draw JPN Isobe Taizan 2337.55
4 White Loss JPN Ono Takayuki 2330.32
27th Kanto Championship
Date 2010-05-23 Rating 2256.55
Round Color Result Opponent
1 White Loss JPN Tomobe Katsuhiro 2151.85
2 Black Win JPN Maruta Hiroki 2039.72
3 White Loss JPN Ono Takayuki 2328.80
4 White Loss JPN Nagao Noriaki 2349.82
5 Black Loss JPN Fukui Nobuhiro 2256.23
5th All Japan Championship
Date 2010-03-21 Rating 2253.52
Round Color Result Opponent
1 White Loss JPN Shimoyama Takuma 2197.61
2 White Draw JPN Kawasaki Nobuhiko 2154.97
3 White Loss JPN Kobayashi Koichi 2075.57
4 White Loss JPN Tada Ayako 2168.54
5 White Win JPN Matsuoka Teruo 1953.56
6 Black Win JPN Kuramoto Hideharu 1889.37
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2257.77
Round Color Result Opponent
S1 White Loss JPN Ono Takayuki 2319.98
47th Meijinsen Qualification East-Japan area final round
Date 2009-07-05 Rating 2282.37
Round Color Result Opponent
1 White Loss JPN Yamaguchi Yusui 2482.89
2 White Win JPN Ono Takayuki 2314.06
3 White Win JPN Kudomi Takahiro 2307.56
4 White Draw JPN Arita Nobuyoshi 2296.93
5 White Draw JPN Tamura Kazumasa 2432.52
47th Meijinsen Qualification East-Japan area 1st round
Date 2009-06-14 Rating 2283.17
Round Color Result Opponent
1 White Win JPN Ono Takayuki 2314.45
2 Black Loss JPN Sato Kiyotomi 2334.23
3 White Win JPN Kudomi Takahiro 2308.02
4 White Loss JPN Tamura Kazumasa 2433.64
26th Kanto Championship
Date 2009-05-17 Rating 2283.49
Round Color Result Opponent
5 White Win JPN Iwano Fumio 2134.70
The 6th Shanghai Renju Meijin Invitation Tournament
Date 2009-05-03 Rating 2283.34
Round Color Result Opponent
1 Black Win CHN Yu Manjiang 2451.75
2 Black Loss CHN Zhu Jianfeng 2496.83
3 White Loss CHN Zhou Keding 2443.81
4 White Loss JPN Isobe Taizan 2341.15
5 White Loss JPN Oosumi Yuuki 2564.58
6 Black Loss JPN Iio Yoshihiro 2417.14
7 White Win CHN Xu Bin 2153.48
4th All Japan Championship
Date 2009-03-21 Rating 2284.05
Round Color Result Opponent
1 White Win JPN Suzuki Rin 1917.13
2 White Win JPN Sato Kiyotomi 2332.27
3 White Win JPN Ishitani Shin-ichi 2298.18
4 White Loss JPN Nakamura Shigeru 2747.75
5 White Draw JPN Okabe Hiroshi 2570.77
6 White Win JPN Yamaguchi Yusui 2473.20
12th Mikami Cup Tournament
Date 2009-01-18 Rating 2274.85
Round Color Result Opponent
S1 White Loss JPN Oosumi Yuuki 2549.33
46th Meijinsen Qualification East-Japan area 1st round
Date 2008-06-15 Rating 2245.42
Round Color Result Opponent
2 White Win JPN Tamada Yoichi 2200.36
ex White Loss JPN Sato Kiyotomi 2300.73
8 Kanto Renju Emperor Tournament 1st round
Date 2007-10-21 Rating 2212.88
Round Color Result Opponent
2 White Win JPN Kurimoto Masayuki 1791.27
4 White Loss JPN Ono Takayuki 2312.70
The 5th Shanghai Renju Meijin Invitation Tournament
Date 2007-05-03 Rating 2193.05
Round Color Result Opponent
1 White Loss CHN Wu Hao 2551.91
2 White Loss CHN Yu Manjiang 2504.70
3 White Win CHN Zhang Yifeng 2357.55
SF1 White Loss JPN Okabe Hiroshi 2502.70
SF2 White Loss CHN Ge Chongyu 2320.73
SF3 White Draw JPN Isobe Taizan 2321.08
SF4 White Loss CHN Zhu Jianfeng 2430.99
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2188.62
Round Color Result Opponent
1 White Loss JPN Sato Kiyotomi 2275.17
2 White Win JPN Maruta Hiroki 1934.98
Asian Championship
Date 2006-08-15 Rating 2166.49
Round Color Result Opponent
1 White Win JPN Kubo Izumi 2050.50
2 White Loss KOR Park Jeong Ho 2315.19
3 White Loss KOR Choi Yun-Seok 2122.94
4 Black Loss JPN Ishitani Shin-ichi 2246.60
5 Black Loss KOR Kim Su Chan 2051.51
6 White Win KOR Cha Jee-Young 1655.00
7 White Win KOR Kang Bo-Ra 1722.70
8 White Draw KOR Chang Jae-Won 2031.66
The 4th Shanghai Renju Meijin Invitation Tournament
Date 2006-03-20 Rating 2169.66
Round Color Result Opponent
1 White Loss CHN Ge Lingfeng 2303.30
2 White Loss CHN Wu Hao 2544.17
3 White Loss CHN Zhu Jianfeng 2403.55
4 White Loss JPN Isobe Taizan 2288.66
5 White Loss CHN Li Hongbin 2385.29
6 White Win CHN Xue Wenxi 2290.78
7 White Loss JPN Takashima Junya 2382.20
World Championship BT
Date 2003-08-08 Rating 2243.09
Round Color Result Opponent
1 White Draw CZE Rybka Ales 2152.84
2 White Win TPE Chen Ko-Han 2336.24
3 White Win JPN Tamura Kazumasa 2325.32
4 White Win CHN Chen Wei 2429.95
5 White Loss EST Lents Johann 2375.36
6 White Loss EST Ilu Timo 2304.13
7 White Loss JPN Ishitani Shin-ichi 2265.56
8 White Loss RUS Chernov Sergey 2243.74
9 White Win JPN Ono Takayuki 2194.39
World Championship QT
Date 2003-07-31 Rating 2243.35
Round Color Result Opponent
1 White Loss JPN Iio Yoshihiro 2386.97
2 White Win RUS Tarannikov Yuriy 2485.61
3 White Draw AZE Dzainukov Eldar 2050.18
4 White Win RUS Karasyov Maxim 2400.15
5 White Loss RUS Sushkov Vladimir 2581.18
6 White Loss SWE Gardstrom Petter 2333.12
7 White Loss EST Ilu Timo 2302.04
World Championship BT
Date 1999-08-05 Rating 2286.37
Round Color Result Opponent
1 Black Loss SWE Jonsson Peter 2152.19
2 White Win SWE Gaulitz Joachim 2242.75
3 White Win TPE Chen Chen-Kuo 2012.29
4 White Loss JPN Nara Hideki 2475.62
5 White Win ARM Poghosyan Albert 2231.67
6 White Win UZB Khramov Andrey 2118.00
7 White Loss RUS Filippov Sergey 2260.26
8 White Draw RUS Volkov Sergey 2183.08
9 White Win SWE Andersson Tord 2162.05
World Championship BT
Date 1995-08-07 Rating 2327.75
Round Color Result Opponent
White Loss RUS Sinyov Igor 2422.87
Black Win LAT Matyuk Valeri 2133.30
White Win RUS Fedorkin Oleg 2280.80
White Win JPN Hayakawa Yoshimi 2450.36
White Loss LAT Gurckis Gatis 2205.40
White Win CHN Na Wei 1866.67
Black Win EST Tuvikene Margus 2280.50
World Championship BT
Date 1993-08-12 Rating 2304.66
Round Color Result Opponent
White Loss EST Tuvikene Margus 2268.16
White Win LAT Matyuk Valeri 2113.29
Black Win SWE Henningsson Anders 2163.51
White Loss SWE Palmgren Jan 2189.88
White Win SWE Maltell Tommy 1950.15
Black Win RUS Golosov Viktor 2104.42
World Championship BT
Date 1991-08-10 Rating 2297.65
Round Color Result Opponent
3 White Win RUS Krasnonosov Dmitry 2211.38
6 Black Win RUS Zabrodin Evgeny 2157.67