Mitsumori Masao

Place: Hasuta, Japan

Rating: 2242.06, Rank: 223

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

Top rating: 2323.97 (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	2242.06
Round	Color	Result	Opponent
1	White	Loss	Maruta Hiroki	2084.94
2	White	Loss	Inoue Fumiya	2322.75
3	White	Win	Iwano Fumio	2161.86
4	White	Win	Maruta Koji	2090.68
56 Meijinsen Qualification Kanto area 1st round
Date	2018-05-13		Rating	2253.33
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2495.07
2	White	Loss	Sato Kiyotomi	2362.81
3	Black	Win	Iwano Fumio	2186.02
4	Black	Loss	Ono Takayuki	2300.72
55 Meijinsen Qualification Kanto area 1st round
Date	2017-05-21		Rating	2253.12
Round	Color	Result	Opponent
1	Black	Draw	Chigira Makoto	1989.59
2	White	Win	Iwano Fumio	2191.28
3	White	Loss	Ono Takayuki	2291.90
4	White	Loss	Sato Kiyotomi	2390.47
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2269.86
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2470.92
2	White	Loss	Okabe Hiroshi	2633.02
3	White	Loss	Kamiya Shunsuke	2636.82
4	White	Draw	Koyama Jun	2535.60
5	White	Win	Kusajima Masato	2196.35
54 Meijinsen Qualification Kanto area 1st round
Date	2016-05-22		Rating	2270.48
Round	Color	Result	Opponent
1	White	Win	Chigira Makoto	1978.21
2	White	Win	Kamiya Shunsuke	2634.85
3	White	Loss	Sato Kiyotomi	2425.85
4	White	Win	Maruta Koji	2108.08
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2252.47
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2525.51
2	White	Loss	Nakamura Souta	2207.75
3	Black	Win	Chigira Makoto	1954.19
4	Black	Win	Fujikawa Masaki	2037.28
10th All Japan Championship
Date	2015-03-29		Rating	2251.59
Round	Color	Result	Opponent
1	White	Win	Fujita Yudai	2308.63
2	White	Loss	Tamada Yoichi	2488.02
3	White	Win	Kubo Izumi	2014.67
4	White	Loss	Koyama Jun	2518.76
5	White	Loss	Tanizaki Ryusuke	2133.47
6	White	Loss	Miyagawa Junzo	2159.60
1st Senior Masters Championship
Date	2014-08-29		Rating	2261.15
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2142.58
2	Black	Loss	Ishitani Shin-ichi	2363.07
3	Black	Win	Miura Hitoshi	1754.84
4	White	Win	Kubo Izumi	2017.62
5	White	Loss	Isobe Taizan	2348.50
6	White	Win	Kobayashi Koichi	2181.44
7	White	Win	Kato Yasuhiro	2017.94
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2262.20
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2468.16
2	White	Loss	Kawamura Norihiko	2562.36
3	White	Win	Iwano Fumio	2183.30
4	White	Win	Kudomi Takahiro	2249.22
Team World Championship
Date	2014-05-03		Rating	2261.37
Round	Color	Result	Opponent
5	White	Loss	Artemyev Sergey	2499.50
6	White	Loss	Oosumi Yuuki	2732.00
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2260.39
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2305.89
2	Black	Win	Tomobe Katsuhiro	2086.48
3	White	Win	Kato Yasuhiro	2056.58
4	White	Loss	Sato Kiyotomi	2381.55
5	White	Loss	Kamiya Shunsuke	2472.86
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2261.55
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2062.78
2	White	Win	Kobayashi Koichi	2149.24
3	White	Loss	Kamiya Shunsuke	2467.66
4	White	Win	Ono Takayuki	2310.11
29th Kanto Championship
Date	2013-05-12		Rating	2262.91
Round	Color	Result	Opponent
1	White	Draw	Tada Ayako	2223.02
2	White	Draw	Isobe Taizan	2324.41
3	Black	Loss	Nakamura Shigeru	2783.13
4	White	Win	Tomobe Katsuhiro	2091.94
5	White	Loss	Kato Yasuhiro	2065.37
8th All Japan Championship
Date	2013-03-24		Rating	2266.65
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2784.47
2	White	Win	Kubo Izumi	2018.07
3	White	Win	Kato Yasuhiro	2062.87
4	White	Loss	Isobe Taizan	2330.17
5	White	Win	Kudomi Takahiro	2330.51
6	White	Loss	Kamiya Shunsuke	2455.39
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2270.00
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2636.00
S2	White	Loss	Fukui Nobuhiro	2479.03
S3	White	Win	Kobayashi Koichi	2146.26
S4	White	Win	Ishitani Shin-ichi	2297.14
S5	Black	Loss	Kudomi Takahiro	2333.44
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2274.06
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2040.14
2	White	Loss	Maruta Koji	2078.87
3	White	Loss	Ono Takayuki	2341.88
4	White	Win	Maruta Hiroki	2053.21
50 Meijinsen Qualification East-Japan area 1st round
Date	2012-06-03		Rating	2287.91
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2065.37
2	White	Win	Sato Kiyotomi	2325.89
3	Black	Loss	Nakamura Shigeru	2795.25
4	White	Loss	Kudomi Takahiro	2340.51
29th Kanto Championship
Date	2012-05-13		Rating	2289.53
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2014.48
2	White	Loss	Kudomi Takahiro	2340.59
3	White	Win	Nakayama Tomoharu	2533.57
4	White	Loss	Nakamura Shigeru	2795.11
5	White	Win	Iwano Fumio	2079.20
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2291.00
Round	Color	Result	Opponent
S2	White	Loss	Oosumi Yuuki	2703.82
S3	White	Win	Tadokoro Hosai	1834.86
S4	White	Loss	Nakamura Shigeru	2790.57
S5	Black	Loss	Ishitani Shin-ichi	2301.81
7th All Japan Championship
Date	2012-01-29		Rating	2293.71
Round	Color	Result	Opponent
1	Black	Win	Suzuki Rin	1934.51
2	White	Loss	Iio Yoshihiro	2404.91
3	White	Win	Kobayashi Koichi	2139.42
4	White	Win	Ishitani Shin-ichi	2306.11
5	White	Loss	Oosumi Yuuki	2700.63
6	White	Win	Tamada Yoichi	2410.50
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2293.41
Round	Color	Result	Opponent
1	White	Win	Nakayama Tomoharu	2517.38
2	White	Loss	Okabe Hiroshi	2617.15
3	White	Loss	Nakamura Shigeru	2787.68
4	White	Loss	Oosumi Yuuki	2699.16
5	White	Loss	Kamiya Shunsuke	2396.62
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2290.73
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2123.28
2	White	Loss	Kamiya Shunsuke	2385.76
3	White	Win	Ono Takayuki	2330.86
4	White	Win	Kudomi Takahiro	2333.14
49 Meijinsen Qualification East-Japan area 1st round
Date	2011-06-12		Rating	2276.32
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2361.23
2	White	Loss	Ono Takayuki	2324.58
3	White	Loss	Kudomi Takahiro	2324.65
4	White	Win	Maruta Hiroki	2047.09
28th Kanto Championship
Date	2011-05-22		Rating	2275.66
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2018.31
2	Black	Win	Maruta Hiroki	2048.90
3	White	Loss	Tomobe Katsuhiro	2154.85
4	White	Win	Ono Takayuki	2324.29
5	White	Win	Nakayama Tomoharu	2473.22
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2271.63
Round	Color	Result	Opponent
S1	White	Win	Gakumazawa Hideaki	2029.60
S2	White	Loss	Oosumi Yuuki	2649.06
S3	White	Loss	Ono Takayuki	2323.76
S5	Black	Loss	Nakamura Shigeru	2770.02
11 Kanto Renju Emperor Tournament 2nd round
Date	2010-11-21		Rating	2271.11
Round	Color	Result	Opponent
5	White	Win	Fukui Nobuhiro	2282.26
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2270.14
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2069.95
2	White	Win	Nagao Noriaki	2350.36
3	White	Loss	Okabe Hiroshi	2602.97
4	White	Win	Ono Takayuki	2320.78
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2252.24
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2019.22
2	White	Win	Fukui Nobuhiro	2251.67
3	White	Draw	Isobe Taizan	2327.59
4	White	Loss	Ono Takayuki	2319.57
27th Kanto Championship
Date	2010-05-23		Rating	2246.20
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2142.31
2	Black	Win	Maruta Hiroki	2030.15
3	White	Loss	Ono Takayuki	2318.11
4	White	Loss	Nagao Noriaki	2340.72
5	Black	Loss	Fukui Nobuhiro	2246.17
5th All Japan Championship
Date	2010-03-21		Rating	2243.23
Round	Color	Result	Opponent
1	White	Loss	Shimoyama Takuma	2188.55
2	White	Draw	Kawasaki Nobuhiko	2146.08
3	White	Loss	Kobayashi Koichi	2066.42
4	White	Loss	Tada Ayako	2158.95
5	White	Win	Matsuoka Teruo	1944.62
6	Black	Win	Kuramoto Hideharu	1880.51
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2247.49
Round	Color	Result	Opponent
S1	White	Loss	Ono Takayuki	2309.44
47th Meijinsen Qualification East-Japan area final round
Date	2009-07-05		Rating	2272.18
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2473.34
2	White	Win	Ono Takayuki	2303.70
3	White	Win	Kudomi Takahiro	2297.58
4	White	Draw	Arita Nobuyoshi	2287.73
5	White	Draw	Tamura Kazumasa	2422.62
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2272.99
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2304.11
2	Black	Loss	Sato Kiyotomi	2324.62
3	White	Win	Kudomi Takahiro	2298.06
4	White	Loss	Tamura Kazumasa	2423.78
26th Kanto Championship
Date	2009-05-17		Rating	2273.31
Round	Color	Result	Opponent
5	White	Win	Iwano Fumio	2125.45
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2273.16
Round	Color	Result	Opponent
1	Black	Win	Yu Manjiang	2438.39
2	Black	Loss	Zhu Jianfeng	2494.95
3	White	Loss	Zhou Keding	2413.86
4	White	Loss	Isobe Taizan	2331.41
5	White	Loss	Oosumi Yuuki	2554.75
6	Black	Loss	Iio Yoshihiro	2406.70
7	White	Win	Xu Bin	2135.73
4th All Japan Championship
Date	2009-03-21		Rating	2273.96
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1908.56
2	White	Win	Sato Kiyotomi	2322.63
3	White	Win	Ishitani Shin-ichi	2287.72
4	White	Loss	Nakamura Shigeru	2769.84
5	White	Draw	Okabe Hiroshi	2551.90
6	White	Win	Yamaguchi Yusui	2463.89
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2264.87
Round	Color	Result	Opponent
S1	White	Loss	Oosumi Yuuki	2539.42
46th Meijinsen Qualification East-Japan area 1st round
Date	2008-06-15		Rating	2235.81
Round	Color	Result	Opponent
2	White	Win	Tamada Yoichi	2190.79
ex	White	Loss	Sato Kiyotomi	2290.96
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2203.69
Round	Color	Result	Opponent
2	White	Win	Kurimoto Masayuki	1788.68
4	White	Loss	Ono Takayuki	2303.15
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2184.13
Round	Color	Result	Opponent
1	White	Loss	Wu Hao	2540.86
2	White	Loss	Yu Manjiang	2492.24
3	White	Win	Zhang Yifeng	2356.71
SF1	White	Loss	Okabe Hiroshi	2480.47
SF2	White	Loss	Ge Chongyu	2312.82
SF3	White	Draw	Isobe Taizan	2312.03
SF4	White	Loss	Zhu Jianfeng	2424.52
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2179.76
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2265.63
2	White	Win	Maruta Hiroki	1926.20
Asian Championship
Date	2006-08-15		Rating	2158.00
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2041.83
2	White	Loss	Park Jeong Ho	2306.72
3	White	Loss	Choi Yun-Seok	2124.43
4	Black	Loss	Ishitani Shin-ichi	2236.97
5	Black	Loss	Kim Hong Soon	2044.19
6	White	Win	Cha Jee-Young	1651.37
7	White	Win	Kang Bo-Ra	1718.79
8	White	Draw	Chang Jae-Won	2025.85
The 4th Shanghai Renju Meijin Invitation Tournament
Date	2006-03-20		Rating	2161.20
Round	Color	Result	Opponent
1	White	Loss	Ge Lingfeng	2293.16
2	White	Loss	Wu Hao	2532.80
3	White	Loss	Zhu Jianfeng	2395.73
4	White	Loss	Isobe Taizan	2279.78
5	White	Loss	Li Hongbin	2376.68
6	White	Win	Xue Wenxi	2279.95
7	White	Loss	Takashima Junya	2372.35
World Championship BT
Date	2003-08-08		Rating	2235.39
Round	Color	Result	Opponent
1	White	Draw	Rybka Ales	2144.47
2	White	Win	Chen Ko-Han	2332.69
3	White	Win	Tamura Kazumasa	2316.47
4	White	Win	Chen Wei	2419.77
5	White	Loss	Lents Johann	2366.50
6	White	Loss	Ilu Timo	2294.80
7	White	Loss	Ishitani Shin-ichi	2256.47
8	White	Loss	Chernov Sergey	2233.77
9	White	Win	Ono Takayuki	2186.21
World Championship QT
Date	2003-07-31		Rating	2235.66
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2378.92
2	White	Win	Tarannikov Yuriy	2473.32
3	White	Draw	Dzainukov Eldar	2041.61
4	White	Win	Karasyov Maxim	2394.37
5	White	Loss	Sushkov Vladimir	2572.76
6	White	Loss	Gardstrom Petter	2325.35
7	White	Loss	Ilu Timo	2292.71
World Championship BT
Date	1999-08-05		Rating	2281.54
Round	Color	Result	Opponent
1	Black	Loss	Jonsson Peter	2145.68
2	White	Win	Gaulitz Joachim	2240.05
3	White	Win	Chen Chen-Kuo	2008.02
4	White	Loss	Nara Hideki	2469.54
5	White	Win	Poghosyan Albert	2226.48
6	White	Win	Khramov Andrey	2142.75
7	White	Loss	Filippov Sergey	2255.75
8	White	Draw	Volkov Sergey	2165.24
9	White	Win	Andersson Tord	2156.06
World Championship BT
Date	1995-08-07		Rating	2323.97
Round	Color	Result	Opponent
	White	Loss	Sinyov Igor	2415.87
	Black	Win	Matyuk Valeri	2129.33
	White	Win	Fedorkin Oleg	2271.89
	White	Win	Hayakawa Yoshimi	2452.20
	White	Loss	Gurckis Gatis	2201.01
	White	Win	Na Wei	1863.23
	Black	Win	Tuvikene Margus	2274.06
World Championship BT
Date	1993-08-12		Rating	2301.88
Round	Color	Result	Opponent
	White	Loss	Tuvikene Margus	2260.43
	White	Win	Matyuk Valeri	2108.77
	Black	Win	Henningsson Anders	2169.31
	White	Loss	Palmgren Jan	2201.58
	White	Win	Maltell Tommy	1953.40
	Black	Win	Golosov Viktor	2114.31
World Championship BT
Date	1991-08-10		Rating	2293.83
Round	Color	Result	Opponent
3	White	Win	Krasnonosov Dmitry	2201.71
6	Black	Win	Zabrodin Evgeny	2141.53