Mitsumori Masao

Place: Hasuta, Japan

Rating: 2245.23, Rank: 219

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

Top rating: 2327.30 (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	2245.23
Round	Color	Result	Opponent
1	White	Loss	Maruta Hiroki	2118.74
2	White	Loss	Inoue Fumiya	2328.54
3	White	Win	Iwano Fumio	2133.27
4	White	Win	Maruta Koji	2090.57
56 Meijinsen Qualification Kanto area 1st round
Date	2018-05-13		Rating	2256.64
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2498.73
2	White	Loss	Sato Kiyotomi	2366.89
3	Black	Win	Iwano Fumio	2179.28
4	Black	Loss	Ono Takayuki	2306.99
55 Meijinsen Qualification Kanto area 1st round
Date	2017-05-21		Rating	2256.78
Round	Color	Result	Opponent
1	Black	Draw	Chigira Makoto	1995.17
2	White	Win	Iwano Fumio	2192.24
3	White	Loss	Ono Takayuki	2297.54
4	White	Loss	Sato Kiyotomi	2394.85
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2273.83
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2480.90
2	White	Loss	Okabe Hiroshi	2637.09
3	White	Loss	Kamiya Shunsuke	2640.52
4	White	Draw	Koyama Jun	2539.99
5	White	Win	Kusajima Masato	2198.29
54 Meijinsen Qualification Kanto area 1st round
Date	2016-05-22		Rating	2274.46
Round	Color	Result	Opponent
1	White	Win	Chigira Makoto	1983.73
2	White	Win	Kamiya Shunsuke	2638.63
3	White	Loss	Sato Kiyotomi	2430.25
4	White	Win	Maruta Koji	2111.98
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2256.63
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2530.26
2	White	Loss	Nakamura Souta	2213.59
3	Black	Win	Chigira Makoto	1959.48
4	Black	Win	Fujikawa Masaki	2042.76
10th All Japan Championship
Date	2015-03-29		Rating	2255.76
Round	Color	Result	Opponent
1	White	Win	Fujita Yudai	2310.59
2	White	Loss	Tamada Yoichi	2494.34
3	White	Win	Kubo Izumi	2018.73
4	White	Loss	Koyama Jun	2523.47
5	White	Loss	Tanizaki Ryusuke	2139.56
6	White	Loss	Miyagawa Junzo	2164.46
1st Senior Masters Championship
Date	2014-08-29		Rating	2265.31
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2147.16
2	Black	Loss	Ishitani Shin-ichi	2367.37
3	Black	Win	Miura Hitoshi	1756.75
4	White	Win	Kubo Izumi	2021.58
5	White	Loss	Isobe Taizan	2352.44
6	White	Win	Kobayashi Koichi	2184.75
7	White	Win	Kato Yasuhiro	2024.75
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2266.35
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2473.45
2	White	Loss	Kawamura Norihiko	2567.20
3	White	Win	Iwano Fumio	2187.61
4	White	Win	Kudomi Takahiro	2254.08
Team World Championship
Date	2014-05-03		Rating	2265.50
Round	Color	Result	Opponent
5	White	Loss	Artemyev Sergey	2506.56
6	White	Loss	Oosumi Yuuki	2736.23
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2264.36
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2310.57
2	Black	Win	Tomobe Katsuhiro	2090.97
3	White	Win	Kato Yasuhiro	2061.45
4	White	Loss	Sato Kiyotomi	2385.27
5	White	Loss	Kamiya Shunsuke	2476.88
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2265.49
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2067.53
2	White	Win	Kobayashi Koichi	2152.66
3	White	Loss	Kamiya Shunsuke	2471.66
4	White	Win	Ono Takayuki	2313.94
29th Kanto Championship
Date	2013-05-12		Rating	2266.83
Round	Color	Result	Opponent
1	White	Draw	Tada Ayako	2226.69
2	White	Draw	Isobe Taizan	2328.16
3	Black	Loss	Nakamura Shigeru	2786.96
4	White	Win	Tomobe Katsuhiro	2096.27
5	White	Loss	Kato Yasuhiro	2070.00
8th All Japan Championship
Date	2013-03-24		Rating	2270.52
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2788.27
2	White	Win	Kubo Izumi	2021.74
3	White	Win	Kato Yasuhiro	2067.35
4	White	Loss	Isobe Taizan	2333.89
5	White	Win	Kudomi Takahiro	2334.85
6	White	Loss	Kamiya Shunsuke	2459.31
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2273.83
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2639.87
S2	White	Loss	Fukui Nobuhiro	2482.25
S3	White	Win	Kobayashi Koichi	2149.62
S4	White	Win	Ishitani Shin-ichi	2301.03
S5	Black	Loss	Kudomi Takahiro	2337.63
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2277.80
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2044.19
2	White	Loss	Maruta Koji	2082.51
3	White	Loss	Ono Takayuki	2345.32
4	White	Win	Maruta Hiroki	2056.86
50 Meijinsen Qualification East-Japan area 1st round
Date	2012-06-03		Rating	2291.55
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2068.89
2	White	Win	Sato Kiyotomi	2329.08
3	Black	Loss	Nakamura Shigeru	2798.90
4	White	Loss	Kudomi Takahiro	2344.31
29th Kanto Championship
Date	2012-05-13		Rating	2293.15
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2018.18
2	White	Loss	Kudomi Takahiro	2344.37
3	White	Win	Nakayama Tomoharu	2536.93
4	White	Loss	Nakamura Shigeru	2798.77
5	White	Win	Iwano Fumio	2082.71
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2294.57
Round	Color	Result	Opponent
S2	White	Loss	Oosumi Yuuki	2707.64
S3	White	Win	Tadokoro Hosai	1837.55
S4	White	Loss	Nakamura Shigeru	2794.22
S5	Black	Loss	Ishitani Shin-ichi	2305.23
7th All Japan Championship
Date	2012-01-29		Rating	2297.25
Round	Color	Result	Opponent
1	Black	Win	Suzuki Rin	1937.70
2	White	Loss	Iio Yoshihiro	2408.21
3	White	Win	Kobayashi Koichi	2142.57
4	White	Win	Ishitani Shin-ichi	2309.49
5	White	Loss	Oosumi Yuuki	2704.41
6	White	Win	Tamada Yoichi	2414.34
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2296.94
Round	Color	Result	Opponent
1	White	Win	Nakayama Tomoharu	2520.74
2	White	Loss	Okabe Hiroshi	2620.85
3	White	Loss	Nakamura Shigeru	2791.30
4	White	Loss	Oosumi Yuuki	2702.94
5	White	Loss	Kamiya Shunsuke	2400.17
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2294.20
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2126.37
2	White	Loss	Kamiya Shunsuke	2389.24
3	White	Win	Ono Takayuki	2334.40
4	White	Win	Kudomi Takahiro	2336.69
49 Meijinsen Qualification East-Japan area 1st round
Date	2011-06-12		Rating	2279.70
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2364.61
2	White	Loss	Ono Takayuki	2328.12
3	White	Loss	Kudomi Takahiro	2328.09
4	White	Win	Maruta Hiroki	2050.19
28th Kanto Championship
Date	2011-05-22		Rating	2279.02
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2021.59
2	Black	Win	Maruta Hiroki	2051.99
3	White	Loss	Tomobe Katsuhiro	2158.14
4	White	Win	Ono Takayuki	2327.81
5	White	Win	Nakayama Tomoharu	2476.55
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2274.92
Round	Color	Result	Opponent
S1	White	Win	Gakumazawa Hideaki	2031.77
S2	White	Loss	Oosumi Yuuki	2652.62
S3	White	Loss	Ono Takayuki	2327.19
S5	Black	Loss	Nakamura Shigeru	2773.57
11 Kanto Renju Emperor Tournament 2nd round
Date	2010-11-21		Rating	2274.35
Round	Color	Result	Opponent
5	White	Win	Fukui Nobuhiro	2285.15
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2273.38
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2072.99
2	White	Win	Nagao Noriaki	2353.63
3	White	Loss	Okabe Hiroshi	2606.49
4	White	Win	Ono Takayuki	2324.15
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2255.40
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2022.05
2	White	Win	Fukui Nobuhiro	2254.55
3	White	Draw	Isobe Taizan	2330.74
4	White	Loss	Ono Takayuki	2322.86
27th Kanto Championship
Date	2010-05-23		Rating	2249.34
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2145.28
2	Black	Win	Maruta Hiroki	2033.03
3	White	Loss	Ono Takayuki	2321.38
4	White	Loss	Nagao Noriaki	2343.91
5	Black	Loss	Fukui Nobuhiro	2249.05
5th All Japan Championship
Date	2010-03-21		Rating	2246.34
Round	Color	Result	Opponent
1	White	Loss	Shimoyama Takuma	2191.22
2	White	Draw	Kawasaki Nobuhiko	2148.64
3	White	Loss	Kobayashi Koichi	2069.14
4	White	Loss	Tada Ayako	2161.81
5	White	Win	Matsuoka Teruo	1947.34
6	Black	Win	Kuramoto Hideharu	1883.25
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2250.58
Round	Color	Result	Opponent
S1	White	Loss	Ono Takayuki	2312.68
47th Meijinsen Qualification East-Japan area final round
Date	2009-07-05		Rating	2275.20
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2476.43
2	White	Win	Ono Takayuki	2306.88
3	White	Win	Kudomi Takahiro	2300.62
4	White	Draw	Arita Nobuyoshi	2290.58
5	White	Draw	Tamura Kazumasa	2425.90
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2275.99
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2307.29
2	Black	Loss	Sato Kiyotomi	2327.26
3	White	Win	Kudomi Takahiro	2301.09
4	White	Loss	Tamura Kazumasa	2427.04
26th Kanto Championship
Date	2009-05-17		Rating	2276.31
Round	Color	Result	Opponent
5	White	Win	Iwano Fumio	2128.24
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2276.16
Round	Color	Result	Opponent
1	Black	Win	Yu Manjiang	2441.33
2	Black	Loss	Zhu Jianfeng	2498.29
3	White	Loss	Zhou Keding	2417.01
4	White	Loss	Isobe Taizan	2334.40
5	White	Loss	Oosumi Yuuki	2558.00
6	Black	Loss	Iio Yoshihiro	2409.82
7	White	Win	Xu Bin	2138.46
4th All Japan Championship
Date	2009-03-21		Rating	2276.94
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1911.19
2	White	Win	Sato Kiyotomi	2325.30
3	White	Win	Ishitani Shin-ichi	2290.69
4	White	Loss	Nakamura Shigeru	2773.16
5	White	Draw	Okabe Hiroshi	2555.23
6	White	Win	Yamaguchi Yusui	2466.96
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2267.82
Round	Color	Result	Opponent
S1	White	Loss	Oosumi Yuuki	2542.62
46th Meijinsen Qualification East-Japan area 1st round
Date	2008-06-15		Rating	2238.67
Round	Color	Result	Opponent
2	White	Win	Tamada Yoichi	2193.58
ex	White	Loss	Sato Kiyotomi	2293.72
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2206.46
Round	Color	Result	Opponent
2	White	Win	Kurimoto Masayuki	1789.46
4	White	Loss	Ono Takayuki	2306.07
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2186.84
Round	Color	Result	Opponent
1	White	Loss	Wu Hao	2543.99
2	White	Loss	Yu Manjiang	2495.10
3	White	Win	Zhang Yifeng	2359.68
SF1	White	Loss	Okabe Hiroshi	2483.57
SF2	White	Loss	Ge Chongyu	2315.68
SF3	White	Draw	Isobe Taizan	2314.81
SF4	White	Loss	Zhu Jianfeng	2427.53
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2182.45
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2268.28
2	White	Win	Maruta Hiroki	1928.63
Asian Championship
Date	2006-08-15		Rating	2160.60
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2044.35
2	White	Loss	Park Jeong Ho	2308.99
3	White	Loss	Choi Yun-Seok	2126.36
4	Black	Loss	Ishitani Shin-ichi	2239.52
5	Black	Loss	Kim Hong Soon	2046.28
6	White	Win	Cha Jee-Young	1652.43
7	White	Win	Kang Bo-Ra	1719.88
8	White	Draw	Chang Jae-Won	2027.47
The 4th Shanghai Renju Meijin Invitation Tournament
Date	2006-03-20		Rating	2163.78
Round	Color	Result	Opponent
1	White	Loss	Ge Lingfeng	2296.04
2	White	Loss	Wu Hao	2535.87
3	White	Loss	Zhu Jianfeng	2398.61
4	White	Loss	Isobe Taizan	2282.44
5	White	Loss	Li Hongbin	2379.69
6	White	Win	Xue Wenxi	2282.70
7	White	Loss	Takashima Junya	2375.21
World Championship BT
Date	2003-08-08		Rating	2237.72
Round	Color	Result	Opponent
1	White	Draw	Rybka Ales	2146.76
2	White	Win	Chen Ko-Han	2329.00
3	White	Win	Tamura Kazumasa	2319.11
4	White	Win	Chen Wei	2422.59
5	White	Loss	Lents Johann	2369.04
6	White	Loss	Ilu Timo	2297.53
7	White	Loss	Ishitani Shin-ichi	2258.66
8	White	Loss	Chernov Sergey	2235.62
9	White	Win	Ono Takayuki	2188.66
World Championship QT
Date	2003-07-31		Rating	2237.99
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2380.96
2	White	Win	Tarannikov Yuriy	2476.13
3	White	Draw	Dzainukov Eldar	2044.72
4	White	Win	Karasyov Maxim	2395.26
5	White	Loss	Sushkov Vladimir	2575.47
6	White	Loss	Gardstrom Petter	2327.28
7	White	Loss	Ilu Timo	2295.43
World Championship BT
Date	1999-08-05		Rating	2284.31
Round	Color	Result	Opponent
1	Black	Loss	Jonsson Peter	2150.73
2	White	Win	Gaulitz Joachim	2242.36
3	White	Win	Chen Chen-Kuo	2009.94
4	White	Loss	Nara Hideki	2471.23
5	White	Win	Poghosyan Albert	2228.83
6	White	Win	Khramov Andrey	2145.60
7	White	Loss	Filippov Sergey	2258.27
8	White	Draw	Volkov Sergey	2167.94
9	White	Win	Andersson Tord	2158.45
World Championship BT
Date	1995-08-07		Rating	2327.30
Round	Color	Result	Opponent
	White	Loss	Sinyov Igor	2418.81
	Black	Win	Matyuk Valeri	2133.57
	White	Win	Fedorkin Oleg	2277.48
	White	Win	Hayakawa Yoshimi	2456.42
	White	Loss	Gurckis Gatis	2207.55
	White	Win	Na Wei	1864.75
	Black	Win	Tuvikene Margus	2277.61
World Championship BT
Date	1993-08-12		Rating	2305.03
Round	Color	Result	Opponent
	White	Loss	Tuvikene Margus	2263.78
	White	Win	Matyuk Valeri	2112.90
	Black	Win	Henningsson Anders	2172.20
	White	Loss	Palmgren Jan	2204.18
	White	Win	Maltell Tommy	1955.77
	Black	Win	Golosov Viktor	2104.57
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	2158.53