Mitsumori Masao

Place: Hasuta, Japan

Rating: 2247.49, Rank: 225

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

Top rating: 2327.40 (1995-08-07)

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

Gy1: 0, Gy2: 4, Gy5: 21

57 Meijinsen Qualification Kanto area 1st round
Date	2019-05-12		Rating	2247.49
Round	Color	Result	Opponent
1	White	Loss	Maruta Hiroki	2119.95
2	White	Loss	Inoue Fumiya	2329.29
3	White	Win	Iwano Fumio	2135.46
4	White	Win	Maruta Koji	2093.36
56 Meijinsen Qualification Kanto area 1st round
Date	2018-05-13		Rating	2258.97
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2502.31
2	White	Loss	Sato Kiyotomi	2368.43
3	Black	Win	Iwano Fumio	2181.93
4	Black	Loss	Ono Takayuki	2308.11
55 Meijinsen Qualification Kanto area 1st round
Date	2017-05-21		Rating	2259.22
Round	Color	Result	Opponent
1	Black	Draw	Chigira Makoto	1996.50
2	White	Win	Iwano Fumio	2195.17
3	White	Loss	Ono Takayuki	2299.49
4	White	Loss	Sato Kiyotomi	2396.78
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2276.41
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2483.06
2	White	Loss	Okabe Hiroshi	2640.20
3	White	Loss	Kamiya Shunsuke	2643.83
4	White	Draw	Koyama Jun	2543.25
5	White	Win	Kusajima Masato	2197.76
54 Meijinsen Qualification Kanto area 1st round
Date	2016-05-22		Rating	2277.05
Round	Color	Result	Opponent
1	White	Win	Chigira Makoto	1985.34
2	White	Win	Kamiya Shunsuke	2641.97
3	White	Loss	Sato Kiyotomi	2432.79
4	White	Win	Maruta Koji	2114.53
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2259.49
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2533.86
2	White	Loss	Nakamura Souta	2216.63
3	Black	Win	Chigira Makoto	1961.15
4	Black	Win	Fujikawa Masaki	2045.60
10th All Japan Championship
Date	2015-03-29		Rating	2258.65
Round	Color	Result	Opponent
1	White	Win	Fujita Yudai	2314.29
2	White	Loss	Tamada Yoichi	2497.19
3	White	Win	Kubo Izumi	2020.94
4	White	Loss	Koyama Jun	2527.05
5	White	Loss	Tanizaki Ryusuke	2142.51
6	White	Loss	Miyagawa Junzo	2167.93
1st Senior Masters Championship
Date	2014-08-29		Rating	2268.31
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2150.48
2	Black	Loss	Ishitani Shin-ichi	2371.21
3	Black	Win	Miura Hitoshi	1758.12
4	White	Win	Kubo Izumi	2023.96
5	White	Loss	Isobe Taizan	2355.64
6	White	Win	Kobayashi Koichi	2187.18
7	White	Win	Kato Yasuhiro	2027.93
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2269.40
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2476.47
2	White	Loss	Kawamura Norihiko	2571.69
3	White	Win	Iwano Fumio	2190.52
4	White	Win	Kudomi Takahiro	2257.69
Team World Championship
Date	2014-05-03		Rating	2268.57
Round	Color	Result	Opponent
5	White	Loss	Artemyev Sergey	2513.60
6	White	Loss	Oosumi Yuuki	2739.82
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2267.47
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2314.37
2	Black	Win	Tomobe Katsuhiro	2093.94
3	White	Win	Kato Yasuhiro	2064.47
4	White	Loss	Sato Kiyotomi	2388.45
5	White	Loss	Kamiya Shunsuke	2480.50
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2268.60
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2070.54
2	White	Win	Kobayashi Koichi	2155.37
3	White	Loss	Kamiya Shunsuke	2475.26
4	White	Win	Ono Takayuki	2317.62
29th Kanto Championship
Date	2013-05-12		Rating	2269.93
Round	Color	Result	Opponent
1	White	Draw	Tada Ayako	2229.58
2	White	Draw	Isobe Taizan	2331.31
3	Black	Loss	Nakamura Shigeru	2789.73
4	White	Win	Tomobe Katsuhiro	2099.20
5	White	Loss	Kato Yasuhiro	2072.99
8th All Japan Championship
Date	2013-03-24		Rating	2273.63
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2790.93
2	White	Win	Kubo Izumi	2024.31
3	White	Win	Kato Yasuhiro	2070.32
4	White	Loss	Isobe Taizan	2337.05
5	White	Win	Kudomi Takahiro	2338.46
6	White	Loss	Kamiya Shunsuke	2462.88
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2276.93
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2643.88
S2	White	Loss	Fukui Nobuhiro	2486.04
S3	White	Win	Kobayashi Koichi	2152.36
S4	White	Win	Ishitani Shin-ichi	2304.66
S5	Black	Loss	Kudomi Takahiro	2341.17
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2280.89
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2047.09
2	White	Loss	Maruta Koji	2085.21
3	White	Loss	Ono Takayuki	2349.20
4	White	Win	Maruta Hiroki	2059.62
50 Meijinsen Qualification East-Japan area 1st round
Date	2012-06-03		Rating	2294.61
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2071.58
2	White	Win	Sato Kiyotomi	2332.13
3	Black	Loss	Nakamura Shigeru	2800.26
4	White	Loss	Kudomi Takahiro	2347.61
29th Kanto Championship
Date	2012-05-13		Rating	2296.21
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2021.01
2	White	Loss	Kudomi Takahiro	2347.64
3	White	Win	Nakayama Tomoharu	2540.80
4	White	Loss	Nakamura Shigeru	2799.99
5	White	Win	Iwano Fumio	2085.47
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2297.62
Round	Color	Result	Opponent
S2	White	Loss	Oosumi Yuuki	2710.85
S3	White	Win	Tadokoro Hosai	1839.90
S4	White	Loss	Nakamura Shigeru	2794.91
S5	Black	Loss	Ishitani Shin-ichi	2308.54
7th All Japan Championship
Date	2012-01-29		Rating	2300.30
Round	Color	Result	Opponent
1	Black	Win	Suzuki Rin	1940.24
2	White	Loss	Iio Yoshihiro	2411.87
3	White	Win	Kobayashi Koichi	2145.26
4	White	Win	Ishitani Shin-ichi	2312.77
5	White	Loss	Oosumi Yuuki	2707.60
6	White	Win	Tamada Yoichi	2417.35
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2299.99
Round	Color	Result	Opponent
1	White	Win	Nakayama Tomoharu	2524.41
2	White	Loss	Okabe Hiroshi	2624.78
3	White	Loss	Nakamura Shigeru	2791.46
4	White	Loss	Oosumi Yuuki	2706.13
5	White	Loss	Kamiya Shunsuke	2403.64
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2297.23
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2129.04
2	White	Loss	Kamiya Shunsuke	2392.73
3	White	Win	Ono Takayuki	2338.07
4	White	Win	Kudomi Takahiro	2339.84
49 Meijinsen Qualification East-Japan area 1st round
Date	2011-06-12		Rating	2282.69
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2367.66
2	White	Loss	Ono Takayuki	2331.67
3	White	Loss	Kudomi Takahiro	2331.18
4	White	Win	Maruta Hiroki	2052.85
28th Kanto Championship
Date	2011-05-22		Rating	2282.01
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2024.18
2	Black	Win	Maruta Hiroki	2054.65
3	White	Loss	Tomobe Katsuhiro	2160.91
4	White	Win	Ono Takayuki	2331.33
5	White	Win	Nakayama Tomoharu	2479.94
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2277.86
Round	Color	Result	Opponent
S1	White	Win	Gakumazawa Hideaki	2033.69
S2	White	Loss	Oosumi Yuuki	2655.71
S3	White	Loss	Ono Takayuki	2330.55
S5	Black	Loss	Nakamura Shigeru	2769.22
11 Kanto Renju Emperor Tournament 2nd round
Date	2010-11-21		Rating	2277.28
Round	Color	Result	Opponent
5	White	Win	Fukui Nobuhiro	2288.18
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2276.30
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2075.65
2	White	Win	Nagao Noriaki	2356.74
3	White	Loss	Okabe Hiroshi	2610.67
4	White	Win	Ono Takayuki	2327.41
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2258.28
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2024.62
2	White	Win	Fukui Nobuhiro	2257.49
3	White	Draw	Isobe Taizan	2333.30
4	White	Loss	Ono Takayuki	2326.02
27th Kanto Championship
Date	2010-05-23		Rating	2252.22
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2147.89
2	Black	Win	Maruta Hiroki	2035.61
3	White	Loss	Ono Takayuki	2324.53
4	White	Loss	Nagao Noriaki	2347.09
5	Black	Loss	Fukui Nobuhiro	2251.97
5th All Japan Championship
Date	2010-03-21		Rating	2249.20
Round	Color	Result	Opponent
1	White	Loss	Shimoyama Takuma	2193.75
2	White	Draw	Kawasaki Nobuhiko	2151.16
3	White	Loss	Kobayashi Koichi	2071.62
4	White	Loss	Tada Ayako	2164.46
5	White	Win	Matsuoka Teruo	1949.75
6	Black	Win	Kuramoto Hideharu	1885.53
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2253.44
Round	Color	Result	Opponent
S1	White	Loss	Ono Takayuki	2315.79
47th Meijinsen Qualification East-Japan area final round
Date	2009-07-05		Rating	2278.02
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2478.77
2	White	Win	Ono Takayuki	2309.99
3	White	Win	Kudomi Takahiro	2303.47
4	White	Draw	Arita Nobuyoshi	2293.24
5	White	Draw	Tamura Kazumasa	2428.73
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2278.81
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2310.39
2	Black	Loss	Sato Kiyotomi	2330.20
3	White	Win	Kudomi Takahiro	2303.94
4	White	Loss	Tamura Kazumasa	2429.84
26th Kanto Championship
Date	2009-05-17		Rating	2279.12
Round	Color	Result	Opponent
5	White	Win	Iwano Fumio	2130.81
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2278.97
Round	Color	Result	Opponent
1	Black	Win	Yu Manjiang	2444.01
2	Black	Loss	Zhu Jianfeng	2501.48
3	White	Loss	Zhou Keding	2419.97
4	White	Loss	Isobe Taizan	2336.81
5	White	Loss	Oosumi Yuuki	2561.05
6	Black	Loss	Iio Yoshihiro	2413.09
7	White	Win	Xu Bin	2141.05
4th All Japan Championship
Date	2009-03-21		Rating	2279.74
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1913.47
2	White	Win	Sato Kiyotomi	2328.29
3	White	Win	Ishitani Shin-ichi	2293.97
4	White	Loss	Nakamura Shigeru	2743.73
5	White	Draw	Okabe Hiroshi	2567.75
6	White	Win	Yamaguchi Yusui	2469.09
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2270.63
Round	Color	Result	Opponent
S1	White	Loss	Oosumi Yuuki	2545.71
46th Meijinsen Qualification East-Japan area 1st round
Date	2008-06-15		Rating	2241.48
Round	Color	Result	Opponent
2	White	Win	Tamada Yoichi	2196.56
ex	White	Loss	Sato Kiyotomi	2296.86
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2209.26
Round	Color	Result	Opponent
2	White	Win	Kurimoto Masayuki	1790.19
4	White	Loss	Ono Takayuki	2308.88
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2189.64
Round	Color	Result	Opponent
1	White	Loss	Wu Hao	2546.72
2	White	Loss	Yu Manjiang	2497.62
3	White	Win	Zhang Yifeng	2362.96
SF1	White	Loss	Okabe Hiroshi	2499.05
SF2	White	Loss	Ge Chongyu	2318.33
SF3	White	Draw	Isobe Taizan	2317.38
SF4	White	Loss	Zhu Jianfeng	2430.68
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2185.22
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2271.39
2	White	Win	Maruta Hiroki	1930.98
Asian Championship
Date	2006-08-15		Rating	2163.22
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2046.76
2	White	Loss	Park Jeong Ho	2311.15
3	White	Loss	Choi Yun-Seok	2128.23
4	Black	Loss	Ishitani Shin-ichi	2242.56
5	Black	Loss	Kim Hong Soon	2048.04
6	White	Win	Cha Jee-Young	1653.27
7	White	Win	Kang Bo-Ra	1720.74
8	White	Draw	Chang Jae-Won	2028.97
The 4th Shanghai Renju Meijin Invitation Tournament
Date	2006-03-20		Rating	2166.36
Round	Color	Result	Opponent
1	White	Loss	Ge Lingfeng	2298.32
2	White	Loss	Wu Hao	2538.58
3	White	Loss	Zhu Jianfeng	2401.39
4	White	Loss	Isobe Taizan	2284.94
5	White	Loss	Li Hongbin	2382.46
6	White	Win	Xue Wenxi	2284.90
7	White	Loss	Takashima Junya	2377.95
World Championship BT
Date	2003-08-08		Rating	2240.03
Round	Color	Result	Opponent
1	White	Draw	Rybka Ales	2149.32
2	White	Win	Chen Ko-Han	2331.30
3	White	Win	Tamura Kazumasa	2321.54
4	White	Win	Chen Wei	2425.85
5	White	Loss	Lents Johann	2371.18
6	White	Loss	Ilu Timo	2300.21
7	White	Loss	Ishitani Shin-ichi	2261.44
8	White	Loss	Chernov Sergey	2237.72
9	White	Win	Ono Takayuki	2191.10
World Championship QT
Date	2003-07-31		Rating	2240.30
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2383.19
2	White	Win	Tarannikov Yuriy	2484.67
3	White	Draw	Dzainukov Eldar	2046.92
4	White	Win	Karasyov Maxim	2397.43
5	White	Loss	Sushkov Vladimir	2577.78
6	White	Loss	Gardstrom Petter	2329.73
7	White	Loss	Ilu Timo	2298.10
World Championship BT
Date	1999-08-05		Rating	2285.31
Round	Color	Result	Opponent
1	Black	Loss	Jonsson Peter	2151.29
2	White	Win	Gaulitz Joachim	2243.72
3	White	Win	Chen Chen-Kuo	2012.26
4	White	Loss	Nara Hideki	2471.99
5	White	Win	Poghosyan Albert	2230.03
6	White	Win	Khramov Andrey	2147.55
7	White	Loss	Filippov Sergey	2259.92
8	White	Draw	Volkov Sergey	2162.50
9	White	Win	Andersson Tord	2160.29
World Championship BT
Date	1995-08-07		Rating	2327.40
Round	Color	Result	Opponent
	White	Loss	Sinyov Igor	2422.35
	Black	Win	Matyuk Valeri	2132.42
	White	Win	Fedorkin Oleg	2278.24
	White	Win	Hayakawa Yoshimi	2455.26
	White	Loss	Gurckis Gatis	2204.28
	White	Win	Na Wei	1866.03
	Black	Win	Tuvikene Margus	2278.27
World Championship BT
Date	1993-08-12		Rating	2304.72
Round	Color	Result	Opponent
	White	Loss	Tuvikene Margus	2265.37
	White	Win	Matyuk Valeri	2111.90
	Black	Win	Henningsson Anders	2167.54
	White	Loss	Palmgren Jan	2198.86
	White	Win	Maltell Tommy	1951.31
	Black	Win	Golosov Viktor	2103.62
World Championship BT
Date	1991-08-10		Rating	2297.55
Round	Color	Result	Opponent
3	White	Win	Krasnonosov Dmitry	2204.00
6	Black	Win	Zabrodin Evgeny	2163.00