Mitsumori Masao (三森政男)

Place: Hasuta, Japan

Birth: 1936-08-26

Rating: 2320.69, Std: 253.02, Rank: -

First game: 1962-10-12, Last game: 2019-05-12

Top rating: 2376.22 (1995-08-07)

Games: 433, Wins: 190, Draws: 34, Losses: 209

Gy1: 0, Gy2: 0, Gy5: 0

57 Meijinsen Qualification Kanto area 1st round
Date	2019-05-12		Rating	2320.69
Round	Color	Result	Opponent
1	White	Loss	Maruta Hiroki	2194.32
2	White	Loss	Inoue Fumiya	2431.70
3	White	Win	Iwano Fumio	2216.42
4	White	Win	Maruta Koji	2147.78
56 Meijinsen Qualification Kanto area 1st round
Date	2018-05-13		Rating	2336.69
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2587.44
2	White	Loss	Sato Kiyotomi	2446.72
3	Black	Win	Iwano Fumio	2263.49
4	Black	Loss	Ono Takayuki	2392.11
55 Meijinsen Qualification Kanto area 1st round
Date	2017-05-21		Rating	2335.02
Round	Color	Result	Opponent
1	Black	Draw	Chigira Makoto	2063.13
2	White	Win	Iwano Fumio	2274.58
3	White	Loss	Ono Takayuki	2380.08
4	White	Loss	Sato Kiyotomi	2478.11
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2358.34
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2573.54
2	White	Loss	Okabe Hiroshi	2728.97
3	White	Loss	Kamiya Shunsuke	2731.94
4	White	Draw	Koyama Jun	2634.10
5	White	Win	Kusajima Masato	2271.26
54 Meijinsen Qualification Kanto area 1st round
Date	2016-05-22		Rating	2359.13
Round	Color	Result	Opponent
1	White	Win	Chigira Makoto	2045.97
2	White	Win	Kamiya Shunsuke	2730.06
3	White	Loss	Sato Kiyotomi	2525.53
4	White	Win	Maruta Koji	2189.07
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2330.04
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2618.92
2	White	Loss	Nakamura Souta	2296.51
3	Black	Win	Chigira Makoto	2007.34
4	Black	Win	Fujikawa Masaki	2106.28
10th All Japan Championship
Date	2015-03-29		Rating	2328.47
Round	Color	Result	Opponent
1	White	Win	Fujita Yudai	2369.30
2	White	Loss	Tamada Yoichi	2587.41
3	White	Win	Kubo Izumi	2088.48
4	White	Loss	Koyama Jun	2609.56
5	White	Loss	Tanizaki Ryusuke	2206.42
6	White	Loss	Miyagawa Junzo	2246.70
1st Senior Masters Championship
Date	2014-08-29		Rating	2341.15
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2222.32
2	Black	Loss	Ishitani Shin-ichi	2455.00
3	Black	Win	Miura Hitoshi	1804.37
4	White	Win	Kubo Izumi	2092.77
5	White	Loss	Isobe Taizan	2434.18
6	White	Win	Kobayashi Koichi	2254.05
7	White	Win	Kato Yasuhiro	2092.88
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2342.12
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2560.14
2	White	Loss	Kawamura Norihiko	2649.28
3	White	Win	Iwano Fumio	2265.36
4	White	Win	Kudomi Takahiro	2329.29
Team World Championship 2014
Date	2014-05-03		Rating	2340.53
Round	Color	Result	Opponent
5	White	Loss	Artemyev Sergey	2596.02
6	White	Loss	Oosumi Yuuki	2829.34
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2335.60
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2393.46
2	Black	Win	Tomobe Katsuhiro	2156.52
3	White	Win	Kato Yasuhiro	2139.81
4	White	Loss	Sato Kiyotomi	2470.96
5	White	Loss	Kamiya Shunsuke	2552.76
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2336.73
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2148.29
2	White	Win	Kobayashi Koichi	2218.39
3	White	Loss	Kamiya Shunsuke	2546.50
4	White	Win	Ono Takayuki	2389.10
29th Kanto Championship
Date	2013-05-12		Rating	2338.13
Round	Color	Result	Opponent
1	White	Draw	Tada Ayako	2292.03
2	White	Draw	Isobe Taizan	2398.47
3	Black	Loss	Nakamura Shigeru	2868.63
4	White	Win	Tomobe Katsuhiro	2162.79
5	White	Loss	Kato Yasuhiro	2151.47
8th All Japan Championship
Date	2013-03-24		Rating	2342.82
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2871.02
2	White	Win	Kubo Izumi	2094.00
3	White	Win	Kato Yasuhiro	2147.13
4	White	Loss	Isobe Taizan	2406.97
5	White	Win	Kudomi Takahiro	2423.10
6	White	Loss	Kamiya Shunsuke	2531.59
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2346.45
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2722.62
S2	White	Loss	Fukui Nobuhiro	2569.67
S3	White	Win	Kobayashi Koichi	2216.33
S4	White	Win	Ishitani Shin-ichi	2370.48
S5	Black	Loss	Kudomi Takahiro	2424.95
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2350.19
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2113.84
2	White	Loss	Maruta Koji	2150.66
3	White	Loss	Ono Takayuki	2429.07
4	White	Win	Maruta Hiroki	2123.13
50 Meijinsen Qualification East-Japan area 1st round
Date	2012-06-03		Rating	2367.32
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2132.36
2	White	Win	Sato Kiyotomi	2400.30
3	Black	Loss	Nakamura Shigeru	2887.91
4	White	Loss	Kudomi Takahiro	2430.85
29th Kanto Championship
Date	2012-05-13		Rating	2369.20
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2077.43
2	White	Loss	Kudomi Takahiro	2430.77
3	White	Win	Nakayama Tomoharu	2620.85
4	White	Loss	Nakamura Shigeru	2887.80
5	White	Win	Iwano Fumio	2134.24
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2369.85
Round	Color	Result	Opponent
S2	White	Loss	Oosumi Yuuki	2796.09
S3	White	Win	Tadokoro Hosai	1861.15
S4	White	Loss	Nakamura Shigeru	2881.80
S5	Black	Loss	Ishitani Shin-ichi	2375.85
7th All Japan Championship
Date	2012-01-29		Rating	2372.94
Round	Color	Result	Opponent
1	Black	Win	Suzuki Rin	1996.45
2	White	Loss	Iio Yoshihiro	2486.58
3	White	Win	Kobayashi Koichi	2212.28
4	White	Win	Ishitani Shin-ichi	2382.04
5	White	Loss	Oosumi Yuuki	2793.36
6	White	Win	Tamada Yoichi	2490.15
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2372.21
Round	Color	Result	Opponent
1	White	Win	Nakayama Tomoharu	2603.64
2	White	Loss	Okabe Hiroshi	2702.71
3	White	Loss	Nakamura Shigeru	2878.35
4	White	Loss	Oosumi Yuuki	2791.90
5	White	Loss	Kamiya Shunsuke	2459.44
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2366.36
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2191.19
2	White	Loss	Kamiya Shunsuke	2444.48
3	White	Win	Ono Takayuki	2409.20
4	White	Win	Kudomi Takahiro	2423.70
49 Meijinsen Qualification East-Japan area 1st round
Date	2011-06-12		Rating	2342.02
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2425.40
2	White	Loss	Ono Takayuki	2398.59
3	White	Loss	Kudomi Takahiro	2415.64
4	White	Win	Maruta Hiroki	2110.81
28th Kanto Championship
Date	2011-05-22		Rating	2340.48
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2103.35
2	Black	Win	Maruta Hiroki	2112.79
3	White	Loss	Tomobe Katsuhiro	2230.22
4	White	Win	Ono Takayuki	2397.90
5	White	Win	Nakayama Tomoharu	2549.00
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2330.87
Round	Color	Result	Opponent
S1	White	Win	Gakumazawa Hideaki	2115.65
S2	White	Loss	Oosumi Yuuki	2739.29
S3	White	Loss	Ono Takayuki	2395.51
S5	Black	Loss	Nakamura Shigeru	2859.80
11 Kanto Renju Emperor Tournament 2nd round
Date	2010-11-21		Rating	2327.32
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2415.22
2	Black	Loss	Nakamura Shigeru	2861.87
3	White	Loss	Nakayama Tomoharu	2526.63
4	White	Loss	Okabe Hiroshi	2698.89
5	White	Win	Fukui Nobuhiro	2353.01
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2326.80
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2123.90
2	White	Win	Nagao Noriaki	2395.59
3	White	Loss	Okabe Hiroshi	2698.57
4	White	Win	Ono Takayuki	2389.65
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2305.16
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2087.69
2	White	Win	Fukui Nobuhiro	2322.73
3	White	Draw	Isobe Taizan	2399.20
4	White	Loss	Ono Takayuki	2393.69
27th Kanto Championship
Date	2010-05-23		Rating	2297.19
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2210.36
2	Black	Win	Maruta Hiroki	2083.74
3	White	Loss	Ono Takayuki	2393.28
4	White	Loss	Nagao Noriaki	2379.81
5	Black	Loss	Fukui Nobuhiro	2317.88
5th All Japan Championship
Date	2010-03-21		Rating	2294.14
Round	Color	Result	Opponent
1	White	Loss	Shimoyama Takuma	2267.06
2	White	Draw	Kawasaki Nobuhiko	2181.83
3	White	Loss	Kobayashi Koichi	2133.81
4	White	Loss	Tada Ayako	2179.25
5	White	Win	Matsuoka Teruo	1977.16
6	Black	Win	Kuramoto Hideharu	1902.81
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2301.76
Round	Color	Result	Opponent
S1	White	Loss	Ono Takayuki	2386.53
S2	White	Loss	Sato Kiyotomi	2421.52
S3	White	Win	Nagao Noriaki	2361.93
S4	White	Win	Kataoka Mitsuaki	2264.79
S5	White	Loss	Yamaguchi Yusui	2587.43
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2318.22
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2096.37
2	White	Loss	Hara Masao	2020.23
3	Black	Win	Iwano Fumio	2150.47
4	White	Loss	Tada Ayako	2144.32
47th Meijinsen Qualification East-Japan area final round
Date	2009-07-05		Rating	2341.77
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2575.94
2	White	Win	Ono Takayuki	2404.99
3	White	Win	Kudomi Takahiro	2367.94
4	White	Draw	Arita Nobuyoshi	2370.19
5	White	Draw	Tamura Kazumasa	2512.74
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2344.42
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2407.57
2	Black	Loss	Sato Kiyotomi	2444.10
3	White	Win	Kudomi Takahiro	2368.20
4	White	Loss	Tamura Kazumasa	2515.44
26th Kanto Championship
Date	2009-05-17		Rating	2346.44
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2066.75
2	White	Loss	Oosumi Yuuki	2618.19
3	Black	Loss	Ono Takayuki	2410.84
4	Black	Win	Arita Nobuyoshi	2372.44
5	White	Win	Iwano Fumio	2173.59
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2346.84
Round	Color	Result	Opponent
1	Black	Win	Yu Manjiang	2506.70
2	Black	Loss	Zhu Jianfeng	2562.77
3	White	Loss	Zhou Keding	2506.64
4	White	Loss	Isobe Taizan	2408.02
5	White	Loss	Oosumi Yuuki	2616.45
6	Black	Loss	Iio Yoshihiro	2492.17
7	White	Win	Xu Bin	2198.38
4th All Japan Championship
Date	2009-03-21		Rating	2349.90
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1954.11
2	White	Win	Sato Kiyotomi	2451.17
3	White	Win	Ishitani Shin-ichi	2391.99
4	White	Loss	Nakamura Shigeru	2859.87
5	White	Draw	Okabe Hiroshi	2671.77
6	White	Win	Yamaguchi Yusui	2566.65
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2337.87
Round	Color	Result	Opponent
S1	White	Loss	Oosumi Yuuki	2592.64
S2	Black	Loss	Ishitani Shin-ichi	2398.43
S4	Black	Loss	Arita Nobuyoshi	2382.33
S5	White	Draw	Isobe Taizan	2400.93
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2330.43
Round	Color	Result	Opponent
1	White	Win	Kuramoto Hideharu	1908.89
2	White	Win	Kato Yasuhiro	2001.81
3	White	Loss	Kudomi Takahiro	2355.85
4	White	Win	Ono Takayuki	2411.14
46th Meijinsen Qualification East-Japan area 1st round
Date	2008-06-15		Rating	2313.28
Round	Color	Result	Opponent
1	Black	Loss	Tanno Yoshitaka	2123.08
2	White	Win	Tamada Yoichi	2232.24
3	White	Draw	Arita Nobuyoshi	2394.87
4	White	Win	Kubo Izumi	2103.84
ex	White	Loss	Sato Kiyotomi	2430.27
25th Kanto Championship
Date	2008-05-18		Rating	2310.77
Round	Color	Result	Opponent
1	White	Win	Tanizaki Ryusuke	2122.16
2	Black	Win	Ono Takayuki	2397.07
3	Black	Loss	Arita Nobuyoshi	2395.03
4	Black	Win	Kato Yasuhiro	1995.55
5	Black	Loss	Nakamura Shigeru	2860.60
3rd All Japan Championship
Date	2008-03-23		Rating	2302.08
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2857.76
2	White	Loss	Maruta Hiroki	2032.22
3	White	Draw	Fujikawa Masaki	2107.84
4	White	Win	Nakayama Tomoharu	2232.73
5	Black	Win	Tanizaki Ryusuke	2122.87
6	White	Win	Tamada Yoichi	2208.21
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2279.64
Round	Color	Result	Opponent
1	Black	Draw	Watanabe Tatsuya	2140.92
2	White	Win	Kurimoto Masayuki	1660.06
3	White	Win	Watanabe Yoko	2059.83
4	White	Loss	Ono Takayuki	2379.91
5	White	Loss	Nagao Noriaki	2251.35
45th Meijinsen Qualification East-Japan area 1st round
Date	2007-06-17		Rating	2273.07
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2397.81
2	White	Win	Hara Masao	2054.90
3	White	Loss	Arita Nobuyoshi	2368.35
4	White	Win	Kubo Izumi	2096.59
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2271.84
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2347.23
2	White	Win	Nagao Noriaki	2232.61
3	Black	Win	Tanizaki Ryusuke	2143.19
4	Black	Loss	Kudomi Takahiro	2336.24
5	Black	Win	Isobe Taizan	2432.38
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2271.53
Round	Color	Result	Opponent
1	White	Loss	Wu Hao	2617.40
2	White	Loss	Yu Manjiang	2580.64
3	White	Win	Zhang Yifeng	2383.34
SF1	White	Loss	Okabe Hiroshi	2620.05
SF2	White	Loss	Ge Chongyu	2393.12
SF3	White	Draw	Isobe Taizan	2432.38
SF4	White	Loss	Zhu Jianfeng	2518.14
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2267.60
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2426.25
2	White	Win	Maruta Hiroki	2025.69
3	White	Loss	Oosumi Yuuki	2508.77
4	White	Win	Fujikawa Masaki	2102.93
5	White	Win	Miyoshi Takeo	2286.00
6	White	Loss	Ishitani Shin-ichi	2382.35
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2248.21
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2010.67
2	White	Win	Matsuoka Teruo	1857.69
3	Black	Win	Tomobe Katsuhiro	2073.43
4	White	Win	Kato Yasuhiro	2010.36
5	White	Loss	Nagao Noriaki	2246.70
Asian Championship 2006
Date	2006-08-15		Rating	2245.83
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2101.01
2	White	Loss	Park Jeong Ho	2389.69
3	White	Loss	Choi Yun Suk	2270.40
4	Black	Loss	Ishitani Shin-ichi	2363.90
5	Black	Loss	Kim Su-chan	2132.10
6	White	Win	Cha Jee-Young	1704.19
7	White	Win	Kang Bo-Ra	1748.94
8	White	Draw	Chang Jae-Won	2019.43
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2254.20
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2037.38
2	Black	Loss	Koyama Jun	2339.58
3	White	Loss	Tamura Kazumasa	2365.61
4	White	Draw	Ono Takayuki	2302.10
23rd Kanto Championship
Date	2006-05-21		Rating	2259.59
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2043.55
2	White	Win	Maruta Koji	2117.98
3	White	Draw	Okabe Hiroshi	2597.31
4	Black	Loss	Yamaguchi Yusui	2639.00
5	Black	Win	Kudomi Takahiro	2283.69
1st All Japan Championship
Date	2006-03-26		Rating	2262.04
Round	Color	Result	Opponent
1	Black	Win	Hara Masao	2073.54
2	Black	Loss	Yamaguchi Yusui	2637.20
3	Black	Win	Kato Yasuhiro	2055.60
4	White	Win	Matsuura Hiroshi	2314.22
5	White	Loss	Oosumi Yuuki	2421.86
6	Black	Loss	Isobe Taizan	2426.41
The 4th Shanghai Renju Meijin Invitation Tournament
Date	2006-03-20		Rating	2262.04
Round	Color	Result	Opponent
1	White	Loss	Ge Lingfeng	2392.17
2	White	Loss	Wu Hao	2600.72
3	White	Loss	Zhu Jianfeng	2499.91
4	White	Loss	Isobe Taizan	2427.40
5	White	Loss	Li Hongbin	2462.40
6	White	Win	Xue Wenxi	2381.12
7	White	Loss	Takashima Junya	2510.42
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2273.55
Round	Color	Result	Opponent
1	Black	Win	Watanabe Tatsuya	2129.56
2	Black	Win	Hara Masao	2057.91
3	White	Draw	Itami Yoshiyuki	2183.00
4	White	Loss	Sato Kiyotomi	2395.73
World Championship 2005, BT
Date	2005-08-05		Rating	2278.97
Round	Color	Result	Opponent
1	Black	Win	Poghosyan Albert	2377.52
2	White	Loss	Kozhin Mikhail	2551.26
3	Black	Loss	Cheng Wei-Yuan	2373.03
4	White	Win	Kaljuste Ergo	1938.57
6	Black	Loss	Lents Johann	2535.45
7	Black	Win	Lillemets Rauni	2142.54
8	White	Win	Jonsson Peter	2370.84
9	Black	Win	Sandstrom Richard	2270.29
43rd Meijinsen Qualification: East Japan Final
Date	2005-07-11		Rating	2276.64
Round	Color	Result	Opponent
	White	Loss	Sato Kiyotomi	2395.76
	White	Loss	Okabe Hiroshi	2584.00
	White	Win	Itami Yoshiyuki	2190.33
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2274.27
Round	Color	Result	Opponent
1	Black	Win	Arita Nobuyoshi	2325.82
2	White	Win	Sato Kiyotomi	2395.65
3	Black	Draw	Kudomi Takahiro	2300.50
4	White	Win	Okabe Hiroshi	2584.37
22nd Kanto Championship
Date	2005-05-22		Rating	2267.57
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2277.28
2	White	Win	Ono Takayuki	2294.11
3	White	Loss	Nagao Noriaki	2232.50
4	Black	Win	Watanabe Tatsuya	2106.19
5	Black	Win	Kamemoto Daichi	2133.00
The 3rd Shanghai Renju Meijin Invitation Tournament
Date	2005-05-04		Rating	2261.62
Round	Color	Result	Opponent
1	Black	Loss	Ge Lingfeng	2364.85
2	White	Draw	Wu Jie	2236.64
3	Black	Loss	Xue Wenxi	2395.80
4	White	Win	Tao Junfeng	1874.20
5	Black	Loss	Chen Lin	2465.15
6	White	Loss	Gu Gongbo	2118.07
7	White	Loss	Yin Licheng	2407.48
Japan WC Qualification tournament
Date	2005-04-03		Rating	2257.73
Round	Color	Result	Opponent
1	Black	Loss	Matsuura Hiroshi	2390.68
2	Black	Win	Maruta Hiroki	1952.85
3	Black	Loss	Miyoshi Takeo	2274.15
4	White	Draw	Tamura Kazumasa	2345.88
5	White	Win	Arita Nobuyoshi	2302.98
6	White	Loss	Ishitani Shin-ichi	2388.22
5th Kanto Renju Emperor Tournament - 2nd round
Date	2004-12-19		Rating	2247.81
Round	Color	Result	Opponent
	Black	Loss	Kudomi Takahiro	2329.90
	Black	Loss	Ono Takayuki	2294.79
	Black	Loss	Sato Kiyotomi	2369.56
	Black	Loss	Okabe Hiroshi	2577.92
	Black	Loss	Yamaguchi Yusui	2569.44
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2249.13
Round	Color	Result	Opponent
1	Black	Win	Koyama Jun	2238.93
2	Black	Loss	Ono Takayuki	2292.77
3	Black	Win	Tadokoro Hosai	1928.89
4	White	Win	Sato Takuma	2177.09
42nd Meijinsen Qualification: East Japan 1st round
Date	2004-06-13		Rating	2248.78
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2213.47
2	Black	Loss	Ono Takayuki	2257.06
4	White	Win	Sunagawa Shouki	2134.15
The 2nd Shanghai Renju Meijin Invitation Tournament
Date	2004-05-04		Rating	2251.80
Round	Color	Result	Opponent
	White	Loss	Yamaguchi Yusui	2591.67
	White	Loss	Chen Lin	2436.79
	White	Loss	Li Hongbin	2437.09
	White	Loss	Isobe Taizan	2433.95
	White	Win	Ge Lingfeng	2325.29
	White	Loss	Xue Wenxi	2380.17
	Black	Win	Xu Bin	2140.57
7th Mikami Cup - Special Class
Date	2004-01-25		Rating	2262.35
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2557.60
2	Black	Loss	Ishitani Shin-ichi	2388.52
3	Black	Draw	Miyagawa Junzo	2260.73
4th Kanto Renju Emperor Tournament - 2nd round
Date	2003-11-30		Rating	2268.14
Round	Color	Result	Opponent
	White	Draw	Nagao Noriaki	2282.79
	Black	Loss	Maruta Koji	2230.68
	Black	Loss	Isobe Taizan	2425.27
	Black	Loss	Yamaguchi Yusui	2596.02
	Black	Loss	Okabe Hiroshi	2560.16
Asian Cup 2003
Date	2003-10-10		Rating	2279.71
Round	Color	Result	Opponent
1	White	Win	Lin Sheng-Min	2115.83
2	White	Win	Zhang Jinyu	2485.75
3	White	Loss	Lents Johann	2475.18
4	White	Loss	Wu Hao	2500.73
5	White	Loss	Wang Chih-Kung	2195.11
6	White	Win	Shi Xiaolin	2099.58
7	Black	Win	Liu Tong	2221.03
8	White	Loss	Chang Chao-Yung	2205.42
9	White	Win	Hua Tao	2117.45
World Championship 2003, BT
Date	2003-08-08		Rating	2291.77
Round	Color	Result	Opponent
1	White	Draw	Rybka Aleš	2207.99
2	White	Win	Chen Ko-Han	2425.45
3	White	Win	Tamura Kazumasa	2302.10
4	White	Win	Chen Wei	2514.39
5	White	Loss	Lents Johann	2465.00
6	White	Loss	Ilu Timo	2452.89
7	White	Loss	Ishitani Shin-ichi	2385.52
8	White	Loss	Chernov Sergey	2344.60
9	White	Win	Ono Takayuki	2201.54
World Championship 2003, QT
Date	2003-07-31		Rating	2292.51
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2496.47
2	White	Win	Tarannikov Yuriy	2582.72
3	White	Draw	Dzainukov Eldar	2200.19
4	White	Win	Karasyov Maxim	2490.85
5	White	Loss	Sushkov Vladimir	2691.57
6	White	Loss	Gardström Petter	2417.99
7	White	Loss	Ilu Timo	2451.36
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2294.30
Round	Color	Result	Opponent
1	Black	Draw	Tadokoro Hosai	1987.08
2	Black	Loss	Maruta Koji	2221.66
3	Black	Win	Ohno Syunzo	2020.89
4	Black	Win	Sato Takuma	2120.87
Japan WC Qualification 2003
Date	2003-03-22		Rating	2301.41
Round	Color	Result	Opponent
1	Black	Win	Kuramoto Hideharu	1719.87
2	Black	Win	Sakurai Yasuo	2083.70
3	White	Loss	Nara Hideki	2591.28
4	Black	Loss	Isobe Taizan	2442.51
5	Black	Win	Miyagawa Sou	2081.54
1st Shanghai Meijin
Date	2003-03-20		Rating	2301.59
Round	Color	Result	Opponent
	White	Win	Ye Sen	2071.24
	White	Loss	Yu Zhenlin	1936.36
	Black	Draw	Li Hongbin	2381.87
	Black	Win	Sakurai Yasuo	2083.64
	Black	Win	Cui Yue	2270.97
	Black	Win	Gu Wei	2353.09
	Black	Loss	Tian Yifang	2250.47
	Black	Win	Ono Takayuki	2181.75
	Black	Win	Hou Jun	2064.96
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2306.83
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2211.21
2	Black	Loss	Arita Nobuyoshi	2157.33
3	Black	Win	Sato Takuma	2070.84
4	Black	Win	Suzuki Naoya	2267.79
Japan WC Qualification tournament 2001
Date	2001-03-24		Rating	2299.59
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2336.03
2	Black	Win	Sakurai Yasuo	2075.82
3	Black	Loss	Nara Hideki	2559.04
4	White	Win	Miyoshi Takeo	2189.87
5	White	Loss	Hasegawa Kazuto	2565.52
6	White	Win	Miyagawa Sou	1968.72
7	White	Loss	Ishitani Shin-ichi	2423.52
38th Meijinsen Qualification: East Japan 2nd round
Date	2000-07-02		Rating	2293.56
Round	Color	Result	Opponent
	White	Draw	Isobe Taizan	2457.74
	White	Loss	Kusajima Masato	2360.88
	White	Loss	Kudomi Takahiro	2359.42
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2294.76
Round	Color	Result	Opponent
1	Black	Loss	Kubo Izumi	2175.29
2	Black	Loss	Maruta Koji	2211.54
3	Black	Win	Adachi Yasuhiro	1997.27
4	White	Win	Kusajima Masato	2358.10
Kanto Championship
Date	2000-05-14		Rating	2296.92
Round	Color	Result	Opponent
1	Black	Win	Tadokoro Hosai	1974.19
2	White	Win	Okabe Hiroshi	2278.03
3	White	Loss	Kusajima Masato	2357.16
4	White	Loss	Nakamura Shigeru	2764.04
World Championship 1999, BT
Date	1999-08-05		Rating	2321.95
Round	Color	Result	Opponent
1	Black	Loss	Jonsson Peter	2264.27
2	White	Win	Gaulitz Joachim	2381.24
3	White	Win	Chen Chen-Kuo	2127.54
4	White	Loss	Nara Hideki	2554.06
5	White	Win	Poghosyan Albert	2331.57
6	White	Win	Khramov Andrey	2203.49
7	White	Loss	Filippov Sergey	2359.71
8	White	Draw	Volkov Sergey	2273.56
9	White	Win	Andersson Tord	2254.93
“Compaq Cup” International Invitational Tournament
Date	1997-05-10		Rating	2323.42
Round	Color	Result	Opponent
1	White	Win	Li Dong	2111.04
2	White	Win	Ishitani Shin-ichi	2338.66
3	Black	Loss	Nara Hideki	2536.56
4	White	Win	Su Liang	1979.65
5	Black	Draw	Karlsson Stefan	2429.02
6	White	Loss	Isobe Taizan	2430.78
7	White	Loss	Zhang Jinyu	2276.94
8	White	Loss	Deng Jinghui	2123.18
9	White	Win	Yu Jingping	2036.64
World Championship 1995, BT
Date	1995-08-07		Rating	2376.22
Round	Color	Result	Opponent
	White	Loss	Sinyov Igor	2503.75
	Black	Win	Matyuk Valeri	2212.68
	White	Win	Fedorkin Oleg	2348.97
	White	Win	Hayakawa Yoshimi	2550.29
	White	Loss	Gurckis Gatis	2297.61
	White	Win	Na Wei	1926.10
	Black	Win	Tuvikene Margus	2353.37
World Championship 1993, BT
Date	1993-08-12		Rating	2349.32
Round	Color	Result	Opponent
	White	Loss	Tuvikene Margus	2349.92
	White	Win	Matyuk Valeri	2179.31
	Black	Win	Henningsson Anders	2228.07
	White	Loss	Palmgren Jan	2253.04
	White	Win	Maltell Tommy	1984.11
	Black	Win	Golosov Viktor	2153.87
World Championship 1991, BT
Date	1991-08-10		Rating	2336.36
Round	Color	Result	Opponent
3	White	Win	Krasnonosov Dmitry	2228.39
6	Black	Win	Zabrodin Evgeny	2216.17
1st East - West team tournament
Date	1982-07-31		Rating	2027.87
Round	Color	Result	Opponent
	White	Loss	Hayakawa Yoshimi	2188.00
	White	Loss	Nishiyama Atsushi	2252.35
	Black	Loss	Hayakawa Yoshimi	2188.00
	White	Win	Kozuka Kazuhito	1889.09
	Black	Win	Kozuka Kazuhito	1889.09
	White	Loss	Nishimura Toshio	2247.88
	Black	Loss	Nishimura Toshio	2247.88
The 1st Meijin-sen Match
Date	1962-10-12		Rating	1836.36
Round	Color	Result	Opponent
1	White	Loss	Yamakita Toshinori	1940.18
2	Black	Loss	Yamakita Toshinori	1940.18
3	Black	Draw	Yamakita Toshinori	1940.18
4	White	Draw	Yamakita Toshinori	1940.18