Mitsumori Masao (三森政男)

Place: Hasuta, Japan

Birth: 1936-08-26

Rating: 2319.65, Std: 254.77, Rank: -

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

Top rating: 2379.60 (1995-08-07)

Games: 439, Wins: 193, Draws: 35, Losses: 211

Gy1: 0, Gy2: 0, Gy5: 0

57 Meijinsen Qualification Kanto area 1st round
Date	2019-05-12		Rating	2319.65
Round	Color	Result	Opponent
1	White	Loss	Maruta Hiroki	2192.97
2	White	Loss	Inoue Fumiya	2430.48
3	White	Win	Iwano Fumio	2215.07
4	White	Win	Maruta Koji	2146.30
56 Meijinsen Qualification Kanto area 1st round
Date	2018-05-13		Rating	2335.71
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2586.52
2	White	Loss	Sato Kiyotomi	2445.76
3	Black	Win	Iwano Fumio	2262.35
4	Black	Loss	Ono Takayuki	2391.03
55 Meijinsen Qualification Kanto area 1st round
Date	2017-05-21		Rating	2334.12
Round	Color	Result	Opponent
1	Black	Draw	Chigira Makoto	2062.25
2	White	Win	Iwano Fumio	2273.58
3	White	Loss	Ono Takayuki	2379.13
4	White	Loss	Sato Kiyotomi	2477.22
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2357.51
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2572.73
2	White	Loss	Okabe Hiroshi	2728.26
3	White	Loss	Kamiya Shunsuke	2731.26
4	White	Draw	Koyama Jun	2633.36
5	White	Win	Kusajima Masato	2270.38
54 Meijinsen Qualification Kanto area 1st round
Date	2016-05-22		Rating	2358.31
Round	Color	Result	Opponent
1	White	Win	Chigira Makoto	2045.15
2	White	Win	Kamiya Shunsuke	2729.38
3	White	Loss	Sato Kiyotomi	2524.71
4	White	Win	Maruta Koji	2188.12
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2329.30
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2618.26
2	White	Loss	Nakamura Souta	2295.74
3	Black	Win	Chigira Makoto	2006.59
4	Black	Win	Fujikawa Masaki	2105.49
10th All Japan Championship
Date	2015-03-29		Rating	2327.75
Round	Color	Result	Opponent
1	White	Win	Fujita Yudai	2368.63
2	White	Loss	Tamada Yoichi	2586.69
3	White	Win	Kubo Izumi	2087.74
4	White	Loss	Koyama Jun	2608.90
5	White	Loss	Tanizaki Ryusuke	2205.65
6	White	Loss	Miyagawa Junzo	2246.00
1st Senior Masters Championship
Date	2014-08-29		Rating	2340.46
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2221.62
2	Black	Loss	Ishitani Shin-ichi	2454.29
3	Black	Win	Miura Hitoshi	1803.72
4	White	Win	Kubo Izumi	2092.02
5	White	Loss	Isobe Taizan	2433.41
6	White	Win	Kobayashi Koichi	2253.36
7	White	Win	Kato Yasuhiro	2092.05
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2341.46
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2559.46
2	White	Loss	Kawamura Norihiko	2648.52
3	White	Win	Iwano Fumio	2264.50
4	White	Win	Kudomi Takahiro	2328.62
Team World Championship 2014
Date	2014-05-03		Rating	2339.87
Round	Color	Result	Opponent
5	White	Loss	Artemyev Sergey	2595.62
6	White	Loss	Oosumi Yuuki	2828.82
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2335.02
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2392.93
2	Black	Win	Tomobe Katsuhiro	2155.87
3	White	Win	Kato Yasuhiro	2139.10
4	White	Loss	Sato Kiyotomi	2470.27
5	White	Loss	Kamiya Shunsuke	2552.19
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2336.16
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2147.60
2	White	Win	Kobayashi Koichi	2217.78
3	White	Loss	Kamiya Shunsuke	2545.96
4	White	Win	Ono Takayuki	2388.26
29th Kanto Championship
Date	2013-05-12		Rating	2337.57
Round	Color	Result	Opponent
1	White	Draw	Tada Ayako	2291.41
2	White	Draw	Isobe Taizan	2397.86
3	Black	Loss	Nakamura Shigeru	2868.50
4	White	Win	Tomobe Katsuhiro	2162.15
5	White	Loss	Kato Yasuhiro	2150.79
8th All Japan Championship
Date	2013-03-24		Rating	2342.28
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2870.96
2	White	Win	Kubo Izumi	2093.28
3	White	Win	Kato Yasuhiro	2146.47
4	White	Loss	Isobe Taizan	2406.40
5	White	Win	Kudomi Takahiro	2422.64
6	White	Loss	Kamiya Shunsuke	2531.11
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2345.93
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2724.79
S2	White	Loss	Fukui Nobuhiro	2569.31
S3	White	Win	Kobayashi Koichi	2215.75
S4	White	Win	Ishitani Shin-ichi	2370.02
S5	Black	Loss	Kudomi Takahiro	2424.52
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2349.69
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2113.22
2	White	Loss	Maruta Koji	2150.01
3	White	Loss	Ono Takayuki	2428.29
4	White	Win	Maruta Hiroki	2122.55
50 Meijinsen Qualification East-Japan area 1st round
Date	2012-06-03		Rating	2366.85
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2131.73
2	White	Win	Sato Kiyotomi	2399.73
3	Black	Loss	Nakamura Shigeru	2887.91
4	White	Loss	Kudomi Takahiro	2430.46
29th Kanto Championship
Date	2012-05-13		Rating	2368.74
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2076.84
2	White	Loss	Kudomi Takahiro	2430.40
3	White	Win	Nakayama Tomoharu	2620.55
4	White	Loss	Nakamura Shigeru	2887.80
5	White	Win	Iwano Fumio	2133.65
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2369.41
Round	Color	Result	Opponent
S2	White	Loss	Oosumi Yuuki	2796.01
S3	White	Win	Tadokoro Hosai	1860.66
S4	White	Loss	Nakamura Shigeru	2881.79
S5	Black	Loss	Ishitani Shin-ichi	2375.47
7th All Japan Championship
Date	2012-01-29		Rating	2372.51
Round	Color	Result	Opponent
1	Black	Win	Suzuki Rin	1995.89
2	White	Loss	Iio Yoshihiro	2485.96
3	White	Win	Kobayashi Koichi	2211.75
4	White	Win	Ishitani Shin-ichi	2381.67
5	White	Loss	Oosumi Yuuki	2793.30
6	White	Win	Tamada Yoichi	2489.74
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2371.78
Round	Color	Result	Opponent
1	White	Win	Nakayama Tomoharu	2603.40
2	White	Loss	Okabe Hiroshi	2706.91
3	White	Loss	Nakamura Shigeru	2878.32
4	White	Loss	Oosumi Yuuki	2791.84
5	White	Loss	Kamiya Shunsuke	2459.15
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2365.92
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2190.67
2	White	Loss	Kamiya Shunsuke	2444.14
3	White	Win	Ono Takayuki	2408.63
4	White	Win	Kudomi Takahiro	2423.27
49 Meijinsen Qualification East-Japan area 1st round
Date	2011-06-12		Rating	2341.55
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2424.87
2	White	Loss	Ono Takayuki	2398.03
3	White	Loss	Kudomi Takahiro	2415.14
4	White	Win	Maruta Hiroki	2110.27
28th Kanto Championship
Date	2011-05-22		Rating	2340.01
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2102.78
2	Black	Win	Maruta Hiroki	2112.25
3	White	Loss	Tomobe Katsuhiro	2229.68
4	White	Win	Ono Takayuki	2397.34
5	White	Win	Nakayama Tomoharu	2548.70
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2330.40
Round	Color	Result	Opponent
S1	White	Win	Gakumazawa Hideaki	2115.21
S2	White	Loss	Oosumi Yuuki	2738.97
S3	White	Loss	Ono Takayuki	2394.93
S5	Black	Loss	Nakamura Shigeru	2859.59
11 Kanto Renju Emperor Tournament 2nd round
Date	2010-11-21		Rating	2326.84
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2414.59
2	Black	Loss	Nakamura Shigeru	2861.62
3	White	Loss	Nakayama Tomoharu	2526.29
4	White	Loss	Okabe Hiroshi	2699.39
5	White	Win	Fukui Nobuhiro	2352.56
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2326.31
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2123.33
2	White	Win	Nagao Noriaki	2395.04
3	White	Loss	Okabe Hiroshi	2698.98
4	White	Win	Ono Takayuki	2389.03
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2304.65
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2087.08
2	White	Win	Fukui Nobuhiro	2322.24
3	White	Draw	Isobe Taizan	2398.59
4	White	Loss	Ono Takayuki	2393.04
27th Kanto Championship
Date	2010-05-23		Rating	2296.67
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2209.82
2	Black	Win	Maruta Hiroki	2083.18
3	White	Loss	Ono Takayuki	2392.63
4	White	Loss	Nagao Noriaki	2379.26
5	Black	Loss	Fukui Nobuhiro	2317.37
5th All Japan Championship
Date	2010-03-21		Rating	2293.62
Round	Color	Result	Opponent
1	White	Loss	Shimoyama Takuma	2266.43
2	White	Draw	Kawasaki Nobuhiko	2181.38
3	White	Loss	Kobayashi Koichi	2133.35
4	White	Loss	Tada Ayako	2178.67
5	White	Win	Matsuoka Teruo	1976.63
6	Black	Win	Kuramoto Hideharu	1902.32
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2301.24
Round	Color	Result	Opponent
S1	White	Loss	Ono Takayuki	2385.89
S2	White	Loss	Sato Kiyotomi	2421.02
S3	White	Win	Nagao Noriaki	2361.37
S4	White	Win	Kataoka Mitsuaki	2264.14
S5	White	Loss	Yamaguchi Yusui	2586.83
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2317.69
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2095.79
2	White	Loss	Hara Masao	2019.71
3	Black	Win	Iwano Fumio	2149.91
4	White	Loss	Tada Ayako	2143.77
47th Meijinsen Qualification East-Japan area final round
Date	2009-07-05		Rating	2341.24
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2575.34
2	White	Win	Ono Takayuki	2404.44
3	White	Win	Kudomi Takahiro	2366.96
4	White	Draw	Arita Nobuyoshi	2369.53
5	White	Draw	Tamura Kazumasa	2511.33
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2343.90
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2407.03
2	Black	Loss	Sato Kiyotomi	2443.63
3	White	Win	Kudomi Takahiro	2367.21
4	White	Loss	Tamura Kazumasa	2514.07
26th Kanto Championship
Date	2009-05-17		Rating	2345.93
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2066.15
2	White	Loss	Oosumi Yuuki	2617.63
3	Black	Loss	Ono Takayuki	2410.31
4	Black	Win	Arita Nobuyoshi	2371.79
5	White	Win	Iwano Fumio	2173.05
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2346.33
Round	Color	Result	Opponent
1	Black	Win	Yu Manjiang	2506.27
2	Black	Loss	Zhu Jianfeng	2562.39
3	White	Loss	Zhou Keding	2506.27
4	White	Loss	Isobe Taizan	2407.45
5	White	Loss	Oosumi Yuuki	2615.89
6	Black	Loss	Iio Yoshihiro	2491.43
7	White	Win	Xu Bin	2198.03
4th All Japan Championship
Date	2009-03-21		Rating	2349.41
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1953.59
2	White	Win	Sato Kiyotomi	2450.71
3	White	Win	Ishitani Shin-ichi	2392.97
4	White	Loss	Nakamura Shigeru	2859.36
5	White	Draw	Okabe Hiroshi	2671.26
6	White	Win	Yamaguchi Yusui	2566.08
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2337.39
Round	Color	Result	Opponent
S1	White	Loss	Oosumi Yuuki	2592.11
S2	Black	Loss	Ishitani Shin-ichi	2399.86
S4	Black	Loss	Arita Nobuyoshi	2381.69
S5	White	Draw	Isobe Taizan	2400.38
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2329.94
Round	Color	Result	Opponent
1	White	Win	Kuramoto Hideharu	1908.44
2	White	Win	Kato Yasuhiro	2001.24
3	White	Loss	Kudomi Takahiro	2354.59
4	White	Win	Ono Takayuki	2410.73
46th Meijinsen Qualification East-Japan area 1st round
Date	2008-06-15		Rating	2312.80
Round	Color	Result	Opponent
1	Black	Loss	Tanno Yoshitaka	2122.62
2	White	Win	Tamada Yoichi	2232.01
3	White	Draw	Arita Nobuyoshi	2394.27
4	White	Win	Kubo Izumi	2103.40
ex	White	Loss	Sato Kiyotomi	2429.79
25th Kanto Championship
Date	2008-05-18		Rating	2310.29
Round	Color	Result	Opponent
1	White	Win	Tanizaki Ryusuke	2121.72
2	Black	Win	Ono Takayuki	2396.75
3	Black	Loss	Arita Nobuyoshi	2394.43
4	Black	Win	Kato Yasuhiro	1994.98
5	Black	Loss	Nakamura Shigeru	2860.08
3rd All Japan Championship
Date	2008-03-23		Rating	2301.60
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2857.24
2	White	Loss	Maruta Hiroki	2031.63
3	White	Draw	Fujikawa Masaki	2107.29
4	White	Win	Nakayama Tomoharu	2232.50
5	Black	Win	Tanizaki Ryusuke	2122.44
6	White	Win	Tamada Yoichi	2207.95
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2279.15
Round	Color	Result	Opponent
1	Black	Draw	Watanabe Tatsuya	2140.49
2	White	Win	Kurimoto Masayuki	1659.75
3	White	Win	Watanabe Yoko	2059.24
4	White	Loss	Ono Takayuki	2379.81
5	White	Loss	Nagao Noriaki	2250.61
45th Meijinsen Qualification East-Japan area 1st round
Date	2007-06-17		Rating	2272.58
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2396.64
2	White	Win	Hara Masao	2054.20
3	White	Loss	Arita Nobuyoshi	2367.75
4	White	Win	Kubo Izumi	2096.36
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2271.35
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2347.01
2	White	Win	Nagao Noriaki	2231.69
3	Black	Win	Tanizaki Ryusuke	2142.74
4	Black	Loss	Kudomi Takahiro	2332.96
5	Black	Win	Isobe Taizan	2431.57
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2271.04
Round	Color	Result	Opponent
1	White	Loss	Wu Hao	2616.76
2	White	Loss	Yu Manjiang	2580.23
3	White	Win	Zhang Yifeng	2382.97
SF1	White	Loss	Okabe Hiroshi	2619.39
SF2	White	Loss	Ge Chongyu	2392.68
SF3	White	Draw	Isobe Taizan	2431.56
SF4	White	Loss	Zhu Jianfeng	2517.67
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2267.14
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2425.93
2	White	Win	Maruta Hiroki	2024.94
3	White	Loss	Oosumi Yuuki	2508.00
4	White	Win	Fujikawa Masaki	2102.17
5	White	Win	Miyoshi Takeo	2286.78
6	White	Loss	Ishitani Shin-ichi	2389.99
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2247.63
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2009.98
2	White	Win	Matsuoka Teruo	1857.08
3	Black	Win	Tomobe Katsuhiro	2072.60
4	White	Win	Kato Yasuhiro	2009.61
5	White	Loss	Nagao Noriaki	2245.79
Asian Championship 2006
Date	2006-08-15		Rating	2245.22
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2100.62
2	White	Loss	Park Jeong Ho	2389.47
3	White	Loss	Choi Yun Suk	2269.74
4	Black	Loss	Ishitani Shin-ichi	2367.41
5	Black	Loss	Kim Su-chan	2131.85
6	White	Win	Cha Jee-Young	1704.10
7	White	Win	Kang Bo-Ra	1748.92
8	White	Draw	Chang Jae-Won	2019.45
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2253.51
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2036.58
2	Black	Loss	Koyama Jun	2338.41
3	White	Loss	Tamura Kazumasa	2364.63
4	White	Draw	Ono Takayuki	2301.19
23rd Kanto Championship
Date	2006-05-21		Rating	2258.86
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2042.73
2	White	Win	Maruta Koji	2117.32
3	White	Draw	Okabe Hiroshi	2596.71
4	Black	Loss	Yamaguchi Yusui	2638.34
5	Black	Win	Kudomi Takahiro	2276.18
1st All Japan Championship
Date	2006-03-26		Rating	2261.30
Round	Color	Result	Opponent
1	Black	Win	Hara Masao	2072.74
2	Black	Loss	Yamaguchi Yusui	2636.52
3	Black	Win	Kato Yasuhiro	2054.76
4	White	Win	Matsuura Hiroshi	2313.77
5	White	Loss	Oosumi Yuuki	2420.97
6	Black	Loss	Isobe Taizan	2425.61
The 4th Shanghai Renju Meijin Invitation Tournament
Date	2006-03-20		Rating	2261.30
Round	Color	Result	Opponent
1	White	Loss	Ge Lingfeng	2391.74
2	White	Loss	Wu Hao	2600.17
3	White	Loss	Zhu Jianfeng	2499.38
4	White	Loss	Isobe Taizan	2426.60
5	White	Loss	Li Hongbin	2462.17
6	White	Win	Xue Wenxi	2380.62
7	White	Loss	Takashima Junya	2509.61
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2272.76
Round	Color	Result	Opponent
1	Black	Win	Watanabe Tatsuya	2128.94
2	Black	Win	Hara Masao	2057.21
3	White	Draw	Itami Yoshiyuki	2181.80
4	White	Loss	Sato Kiyotomi	2394.88
World Championship 2005, BT
Date	2005-08-05		Rating	2278.16
Round	Color	Result	Opponent
1	Black	Win	Poghosyan Albert	2374.60
2	White	Loss	Kozhin Mikhail	2551.13
3	Black	Loss	Cheng Wei-Yuan	2372.66
4	White	Win	Kaljuste Ergo	1940.19
6	Black	Loss	Lents Johann	2534.99
7	Black	Win	Lillemets Rauni	2145.49
8	White	Win	Jonsson Peter	2370.11
9	Black	Win	Sandstrom Richard	2269.76
43rd Meijinsen Qualification: East Japan Final
Date	2005-07-11		Rating	2275.81
Round	Color	Result	Opponent
	White	Loss	Sato Kiyotomi	2394.79
	White	Loss	Okabe Hiroshi	2583.37
	White	Win	Itami Yoshiyuki	2189.19
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2273.41
Round	Color	Result	Opponent
1	Black	Win	Arita Nobuyoshi	2325.05
2	White	Win	Sato Kiyotomi	2394.65
3	Black	Draw	Kudomi Takahiro	2286.62
4	White	Win	Okabe Hiroshi	2583.73
22nd Kanto Championship
Date	2005-05-22		Rating	2266.73
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2275.88
2	White	Win	Ono Takayuki	2293.32
3	White	Loss	Nagao Noriaki	2231.65
4	Black	Win	Watanabe Tatsuya	2105.61
5	Black	Win	Kamemoto Daichi	2132.26
The 3rd Shanghai Renju Meijin Invitation Tournament
Date	2005-05-04		Rating	2260.81
Round	Color	Result	Opponent
1	Black	Loss	Ge Lingfeng	2364.45
2	White	Draw	Wu Jie	2236.29
3	Black	Loss	Xue Wenxi	2395.36
4	White	Win	Tao Junfeng	1873.99
5	Black	Loss	Chen Lin	2464.76
6	White	Loss	Gu Gongbo	2117.81
7	White	Loss	Yin Licheng	2407.07
Japan WC Qualification tournament
Date	2005-04-03		Rating	2256.95
Round	Color	Result	Opponent
1	Black	Loss	Matsuura Hiroshi	2390.11
2	Black	Win	Maruta Hiroki	1952.24
3	Black	Loss	Miyoshi Takeo	2274.48
4	White	Draw	Tamura Kazumasa	2345.08
5	White	Win	Arita Nobuyoshi	2302.23
6	White	Loss	Ishitani Shin-ichi	2388.50
5th Kanto Renju Emperor Tournament - 2nd round
Date	2004-12-19		Rating	2247.08
Round	Color	Result	Opponent
	Black	Loss	Kudomi Takahiro	2322.04
	Black	Loss	Ono Takayuki	2294.76
	Black	Loss	Sato Kiyotomi	2368.54
	Black	Loss	Okabe Hiroshi	2577.21
	Black	Loss	Yamaguchi Yusui	2568.82
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2248.43
Round	Color	Result	Opponent
1	Black	Win	Koyama Jun	2237.78
2	Black	Loss	Ono Takayuki	2292.88
3	Black	Win	Tadokoro Hosai	1928.21
4	White	Win	Sato Takuma	2176.37
42nd Meijinsen Qualification: East Japan 1st round
Date	2004-06-13		Rating	2248.33
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2212.88
2	Black	Loss	Ono Takayuki	2258.67
4	White	Win	Sunagawa Shouki	2133.36
The 2nd Shanghai Renju Meijin Invitation Tournament
Date	2004-05-04		Rating	2251.39
Round	Color	Result	Opponent
	White	Loss	Yamaguchi Yusui	2591.22
	White	Loss	Chen Lin	2436.43
	White	Loss	Li Hongbin	2437.19
	White	Loss	Isobe Taizan	2433.33
	White	Win	Ge Lingfeng	2324.95
	White	Loss	Xue Wenxi	2379.78
	Black	Win	Xu Bin	2140.29
7th Mikami Cup - Special Class
Date	2004-01-25		Rating	2262.05
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2557.04
2	Black	Loss	Ishitani Shin-ichi	2388.82
3	Black	Draw	Miyagawa Junzo	2259.47
4th Kanto Renju Emperor Tournament - 2nd round
Date	2003-11-30		Rating	2267.91
Round	Color	Result	Opponent
	White	Draw	Nagao Noriaki	2282.56
	Black	Loss	Maruta Koji	2230.10
	Black	Loss	Isobe Taizan	2424.61
	Black	Loss	Yamaguchi Yusui	2595.70
	Black	Loss	Okabe Hiroshi	2559.65
Asian Cup 2003
Date	2003-10-10		Rating	2279.55
Round	Color	Result	Opponent
1	White	Win	Lin Sheng-Min	2114.86
2	White	Win	Zhang Jinyu	2485.37
3	White	Loss	Lents Johann	2474.95
4	White	Loss	Wu Hao	2500.34
5	White	Loss	Wang Chih-Kung	2194.33
6	White	Win	Shi Xiaolin	2099.13
7	Black	Win	Liu Tong	2220.36
8	White	Loss	Chang Chao-Yung	2204.84
9	White	Win	Hua Tao	2116.67
World Championship 2003, BT
Date	2003-08-08		Rating	2291.73
Round	Color	Result	Opponent
1	White	Draw	Rybka Aleš	2204.74
2	White	Win	Chen Ko-Han	2425.78
3	White	Win	Tamura Kazumasa	2301.55
4	White	Win	Chen Wei	2513.99
5	White	Loss	Lents Johann	2464.76
6	White	Loss	Ilu Timo	2452.73
7	White	Loss	Ishitani Shin-ichi	2385.86
8	White	Loss	Chernov Sergey	2347.41
9	White	Win	Ono Takayuki	2207.38
World Championship 2003, QT
Date	2003-07-31		Rating	2292.48
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2496.20
2	White	Win	Tarannikov Yuriy	2583.76
3	White	Draw	Dzainukov Eldar	2199.26
4	White	Win	Karasyov Maxim	2491.01
5	White	Loss	Sushkov Vladimir	2691.68
6	White	Loss	Gardström Petter	2418.16
7	White	Loss	Ilu Timo	2451.20
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2294.33
Round	Color	Result	Opponent
1	Black	Draw	Tadokoro Hosai	1985.63
2	Black	Loss	Maruta Koji	2221.07
3	Black	Win	Ohno Syunzo	2020.47
4	Black	Win	Sato Takuma	2120.46
Japan WC Qualification 2003
Date	2003-03-22		Rating	2301.55
Round	Color	Result	Opponent
1	Black	Win	Kuramoto Hideharu	1720.56
2	Black	Win	Sakurai Yasuo	2084.64
3	White	Loss	Nara Hideki	2591.30
4	Black	Loss	Isobe Taizan	2441.72
5	Black	Win	Miyagawa Sou	2081.58
1st Shanghai Meijin
Date	2003-03-20		Rating	2301.73
Round	Color	Result	Opponent
	White	Win	Ye Sen	2073.06
	White	Loss	Yu Zhenlin	1937.53
	Black	Draw	Li Hongbin	2382.36
	Black	Win	Sakurai Yasuo	2084.58
	Black	Win	Cui Yue	2271.96
	Black	Win	Gu Wei	2353.74
	Black	Loss	Tian Yifang	2252.36
	Black	Win	Ono Takayuki	2191.79
	Black	Win	Hou Jun	2066.63
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2306.67
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2210.76
2	Black	Loss	Arita Nobuyoshi	2157.67
3	Black	Win	Sato Takuma	2070.46
4	Black	Win	Suzuki Naoya	2267.25
Japan WC Qualification tournament 2001
Date	2001-03-24		Rating	2299.02
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2334.29
2	Black	Win	Sakurai Yasuo	2076.15
3	Black	Loss	Nara Hideki	2558.47
4	White	Win	Miyoshi Takeo	2188.96
5	White	Loss	Hasegawa Kazuto	2564.26
6	White	Win	Miyagawa Sou	1969.38
7	White	Loss	Ishitani Shin-ichi	2423.25
38th Meijinsen Qualification: East Japan 2nd round
Date	2000-07-02		Rating	2292.76
Round	Color	Result	Opponent
	White	Draw	Isobe Taizan	2455.89
	White	Loss	Kusajima Masato	2360.52
	White	Loss	Kudomi Takahiro	2358.96
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2293.94
Round	Color	Result	Opponent
1	Black	Loss	Kubo Izumi	2174.88
2	Black	Loss	Maruta Koji	2210.73
3	Black	Win	Adachi Yasuhiro	1996.54
4	White	Win	Kusajima Masato	2357.73
Kanto Championship
Date	2000-05-14		Rating	2296.07
Round	Color	Result	Opponent
1	Black	Win	Tadokoro Hosai	1970.85
2	White	Win	Okabe Hiroshi	2276.69
3	White	Loss	Kusajima Masato	2356.77
4	White	Loss	Nakamura Shigeru	2762.76
World Championship 1999, BT
Date	1999-08-05		Rating	2320.87
Round	Color	Result	Opponent
1	Black	Loss	Jonsson Peter	2264.59
2	White	Win	Gaulitz Joachim	2381.14
3	White	Win	Chen Chen-Kuo	2125.73
4	White	Loss	Nara Hideki	2553.06
5	White	Win	Poghosyan Albert	2322.41
6	White	Win	Khramov Andrey	2194.67
7	White	Loss	Filippov Sergey	2350.64
8	White	Draw	Volkov Sergey	2273.19
9	White	Win	Andersson Tord	2256.31
“Compaq Cup” International Invitational Tournament
Date	1997-05-10		Rating	2324.03
Round	Color	Result	Opponent
1	White	Win	Li Dong	2110.62
2	White	Win	Ishitani Shin-ichi	2335.55
3	Black	Loss	Nara Hideki	2535.24
4	White	Win	Su Liang	1979.44
5	Black	Draw	Karlsson Stefan	2428.08
6	White	Loss	Isobe Taizan	2427.72
7	White	Loss	Zhang Jinyu	2276.01
8	White	Loss	Deng Jinghui	2122.50
9	White	Win	Yu Jingping	2036.02
World Championship 1995, BT
Date	1995-08-07		Rating	2379.60
Round	Color	Result	Opponent
	White	Loss	Sinyov Igor	2502.82
	Black	Win	Matyuk Valeri	2212.34
	White	Win	Fedorkin Oleg	2348.32
	White	Win	Hayakawa Yoshimi	2551.38
	White	Loss	Gurckis Gatis	2297.02
	White	Win	Na Wei	1926.20
	Black	Win	Tuvikene Margus	2352.79
World Championship 1993, BT
Date	1993-08-12		Rating	2358.28
Round	Color	Result	Opponent
	White	Loss	Tuvikene Margus	2349.52
	White	Win	Matyuk Valeri	2178.81
	Black	Win	Henningsson Anders	2227.67
	White	Loss	Palmgren Jan	2252.70
	White	Win	Maltell Tommy	1985.11
	Black	Win	Golosov Viktor	2153.34
World Championship 1991, BT
Date	1991-08-10		Rating	2356.06
Round	Color	Result	Opponent
3	White	Win	Krasnonosov Dmitry	2227.75
6	Black	Win	Zabrodin Evgeny	2215.68
III East - West team tournament. 1985.
Date	1984-07-10		Rating	2166.71
Round	Color	Result	Opponent
	Black	Loss	Yamaguchi Yusui	2259.55
	White	Win	Kozuka Kazuhito	1980.07
	Black	Win	Hasegawa Kazuto	2166.14
II East - West team tournament. 1984.
Date	1983-07-01		Rating	2123.26
Round	Color	Result	Opponent
	White	Draw	Kozuka Kazuhito	2012.16
	Black	Loss	Nishimura Toshio	2221.65
	White	Win	Nishimura Toshio	2221.65
1st East - West team tournament
Date	1982-07-31		Rating	2079.92
Round	Color	Result	Opponent
	White	Loss	Hayakawa Yoshimi	2202.65
	White	Loss	Nishiyama Atsushi	2230.87
	Black	Loss	Hayakawa Yoshimi	2202.65
	White	Win	Kozuka Kazuhito	1982.57
	Black	Win	Kozuka Kazuhito	1982.57
	White	Loss	Nishimura Toshio	2210.04
	Black	Loss	Nishimura Toshio	2210.04
The 1st Meijin-sen Match
Date	1962-10-12		Rating	1844.58
Round	Color	Result	Opponent
1	White	Loss	Yamakita Toshinori	1942.45
2	Black	Loss	Yamakita Toshinori	1942.45
3	Black	Draw	Yamakita Toshinori	1942.45
4	White	Draw	Yamakita Toshinori	1942.45