Mitsumori Masao (三森政男)

Place: Hasuta, Japan

Rating: 2308.15, Std: 217.20, Rank: 291

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

Top rating: 2379.73 (1995-08-07)

Games: 426, Wins: 188, Draws: 34, Losses: 204

Gy1: 0, Gy2: 0, Gy5: 4

57 Meijinsen Qualification Kanto area 1st round
Date	2019-05-12		Rating	2308.15
Round	Color	Result	Opponent
1	White	Loss	Maruta Hiroki	2178.47
2	White	Loss	Inoue Fumiya	2416.88
3	White	Win	Iwano Fumio	2197.93
4	White	Win	Maruta Koji	2131.40
56 Meijinsen Qualification Kanto area 1st round
Date	2018-05-13		Rating	2324.92
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2575.31
2	White	Loss	Sato Kiyotomi	2435.30
3	Black	Win	Iwano Fumio	2248.99
4	Black	Loss	Ono Takayuki	2379.13
55 Meijinsen Qualification Kanto area 1st round
Date	2017-05-21		Rating	2324.23
Round	Color	Result	Opponent
1	Black	Draw	Chigira Makoto	2052.86
2	White	Win	Iwano Fumio	2262.54
3	White	Loss	Ono Takayuki	2368.86
4	White	Loss	Sato Kiyotomi	2467.43
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2348.55
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2563.95
2	White	Loss	Okabe Hiroshi	2719.83
3	White	Loss	Kamiya Shunsuke	2722.78
4	White	Draw	Koyama Jun	2624.85
5	White	Win	Kusajima Masato	2261.46
54 Meijinsen Qualification Kanto area 1st round
Date	2016-05-22		Rating	2349.40
Round	Color	Result	Opponent
1	White	Win	Chigira Makoto	2036.48
2	White	Win	Kamiya Shunsuke	2720.96
3	White	Loss	Sato Kiyotomi	2515.78
4	White	Win	Maruta Koji	2178.74
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2321.37
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2610.88
2	White	Loss	Nakamura Souta	2287.99
3	Black	Win	Chigira Makoto	1998.74
4	Black	Win	Fujikawa Masaki	2096.82
10th All Japan Championship
Date	2015-03-29		Rating	2319.92
Round	Color	Result	Opponent
1	White	Win	Fujita Yudai	2360.82
2	White	Loss	Tamada Yoichi	2579.06
3	White	Win	Kubo Izumi	2079.96
4	White	Loss	Koyama Jun	2601.58
5	White	Loss	Tanizaki Ryusuke	2197.15
6	White	Loss	Miyagawa Junzo	2239.00
1st Senior Masters Championship
Date	2014-08-29		Rating	2333.17
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2214.91
2	Black	Loss	Ishitani Shin-ichi	2447.68
3	Black	Win	Miura Hitoshi	1799.29
4	White	Win	Kubo Izumi	2084.90
5	White	Loss	Isobe Taizan	2427.53
6	White	Win	Kobayashi Koichi	2247.09
7	White	Win	Kato Yasuhiro	2084.62
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2334.31
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2552.36
2	White	Loss	Kawamura Norihiko	2642.64
3	White	Win	Iwano Fumio	2257.91
4	White	Win	Kudomi Takahiro	2317.84
Team World Championship 2014
Date	2014-05-03		Rating	2332.81
Round	Color	Result	Opponent
5	White	Loss	Artemyev Sergey	2589.53
6	White	Loss	Oosumi Yuuki	2822.17
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2328.57
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2385.51
2	Black	Win	Tomobe Katsuhiro	2149.49
3	White	Win	Kato Yasuhiro	2132.78
4	White	Loss	Sato Kiyotomi	2464.08
5	White	Loss	Kamiya Shunsuke	2546.04
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2329.79
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2141.35
2	White	Win	Kobayashi Koichi	2211.88
3	White	Loss	Kamiya Shunsuke	2539.84
4	White	Win	Ono Takayuki	2382.54
29th Kanto Championship
Date	2013-05-12		Rating	2331.27
Round	Color	Result	Opponent
1	White	Draw	Tada Ayako	2285.57
2	White	Draw	Isobe Taizan	2392.15
3	Black	Loss	Nakamura Shigeru	2862.11
4	White	Win	Tomobe Katsuhiro	2155.94
5	White	Loss	Kato Yasuhiro	2144.62
8th All Japan Championship
Date	2013-03-24		Rating	2336.07
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2864.55
2	White	Win	Kubo Izumi	2087.29
3	White	Win	Kato Yasuhiro	2140.41
4	White	Loss	Isobe Taizan	2400.69
5	White	Win	Kudomi Takahiro	2415.79
6	White	Loss	Kamiya Shunsuke	2525.06
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2339.82
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2716.22
S2	White	Loss	Fukui Nobuhiro	2563.03
S3	White	Win	Kobayashi Koichi	2210.05
S4	White	Win	Ishitani Shin-ichi	2364.12
S5	Black	Loss	Kudomi Takahiro	2417.90
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2343.76
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2107.50
2	White	Loss	Maruta Koji	2144.26
3	White	Loss	Ono Takayuki	2422.91
4	White	Win	Maruta Hiroki	2116.87
50 Meijinsen Qualification East-Japan area 1st round
Date	2012-06-03		Rating	2361.17
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2126.25
2	White	Win	Sato Kiyotomi	2394.12
3	Black	Loss	Nakamura Shigeru	2881.80
4	White	Loss	Kudomi Takahiro	2424.51
29th Kanto Championship
Date	2012-05-13		Rating	2363.10
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2071.47
2	White	Loss	Kudomi Takahiro	2424.49
3	White	Win	Nakayama Tomoharu	2614.63
4	White	Loss	Nakamura Shigeru	2881.71
5	White	Win	Iwano Fumio	2128.32
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2363.88
Round	Color	Result	Opponent
S2	White	Loss	Oosumi Yuuki	2790.13
S3	White	Win	Tadokoro Hosai	1856.77
S4	White	Loss	Nakamura Shigeru	2875.83
S5	Black	Loss	Ishitani Shin-ichi	2370.02
7th All Japan Championship
Date	2012-01-29		Rating	2367.06
Round	Color	Result	Opponent
1	Black	Win	Suzuki Rin	1990.91
2	White	Loss	Iio Yoshihiro	2480.62
3	White	Win	Kobayashi Koichi	2206.63
4	White	Win	Ishitani Shin-ichi	2376.28
5	White	Loss	Oosumi Yuuki	2787.48
6	White	Win	Tamada Yoichi	2484.23
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2366.35
Round	Color	Result	Opponent
1	White	Win	Nakayama Tomoharu	2597.62
2	White	Loss	Okabe Hiroshi	2696.71
3	White	Loss	Nakamura Shigeru	2872.47
4	White	Loss	Oosumi Yuuki	2786.05
5	White	Loss	Kamiya Shunsuke	2453.70
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2360.66
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2185.71
2	White	Loss	Kamiya Shunsuke	2438.90
3	White	Win	Ono Takayuki	2403.68
4	White	Win	Kudomi Takahiro	2417.89
49 Meijinsen Qualification East-Japan area 1st round
Date	2011-06-12		Rating	2336.57
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2419.89
2	White	Loss	Ono Takayuki	2393.31
3	White	Loss	Kudomi Takahiro	2410.12
4	White	Win	Maruta Hiroki	2105.50
28th Kanto Championship
Date	2011-05-22		Rating	2335.07
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2098.01
2	Black	Win	Maruta Hiroki	2107.52
3	White	Loss	Tomobe Katsuhiro	2224.91
4	White	Win	Ono Takayuki	2392.66
5	White	Win	Nakayama Tomoharu	2543.40
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2325.67
Round	Color	Result	Opponent
S1	White	Win	Gakumazawa Hideaki	2111.06
S2	White	Loss	Oosumi Yuuki	2734.18
S3	White	Loss	Ono Takayuki	2390.47
S5	Black	Loss	Nakamura Shigeru	2854.53
11 Kanto Renju Emperor Tournament 2nd round
Date	2010-11-21		Rating	2322.25
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2410.11
2	Black	Loss	Nakamura Shigeru	2856.72
3	White	Loss	Nakayama Tomoharu	2521.39
4	White	Loss	Okabe Hiroshi	2693.74
5	White	Win	Fukui Nobuhiro	2347.89
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2321.76
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2118.97
2	White	Win	Nagao Noriaki	2390.53
3	White	Loss	Okabe Hiroshi	2693.47
4	White	Win	Ono Takayuki	2384.76
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2300.34
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2083.03
2	White	Win	Fukui Nobuhiro	2317.84
3	White	Draw	Isobe Taizan	2394.40
4	White	Loss	Ono Takayuki	2389.04
27th Kanto Championship
Date	2010-05-23		Rating	2292.43
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2205.71
2	Black	Win	Maruta Hiroki	2079.11
3	White	Loss	Ono Takayuki	2388.69
4	White	Loss	Nagao Noriaki	2375.06
5	Black	Loss	Fukui Nobuhiro	2313.04
5th All Japan Championship
Date	2010-03-21		Rating	2289.49
Round	Color	Result	Opponent
1	White	Loss	Shimoyama Takuma	2262.66
2	White	Draw	Kawasaki Nobuhiko	2177.63
3	White	Loss	Kobayashi Koichi	2129.28
4	White	Loss	Tada Ayako	2174.70
5	White	Win	Matsuoka Teruo	1972.76
6	Black	Win	Kuramoto Hideharu	1898.51
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2297.19
Round	Color	Result	Opponent
S1	White	Loss	Ono Takayuki	2382.15
S2	White	Loss	Sato Kiyotomi	2416.74
S3	White	Win	Nagao Noriaki	2357.37
S4	White	Win	Kataoka Mitsuaki	2259.08
S5	White	Loss	Yamaguchi Yusui	2582.96
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2313.84
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2092.12
2	White	Loss	Hara Masao	2016.58
3	Black	Win	Iwano Fumio	2146.14
4	White	Loss	Tada Ayako	2140.02
47th Meijinsen Qualification East-Japan area final round
Date	2009-07-05		Rating	2337.54
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2571.67
2	White	Win	Ono Takayuki	2401.00
3	White	Win	Kudomi Takahiro	2363.70
4	White	Draw	Arita Nobuyoshi	2366.38
5	White	Draw	Tamura Kazumasa	2509.07
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2340.23
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2403.59
2	Black	Loss	Sato Kiyotomi	2439.77
3	White	Win	Kudomi Takahiro	2363.99
4	White	Loss	Tamura Kazumasa	2511.79
26th Kanto Championship
Date	2009-05-17		Rating	2342.28
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2062.70
2	White	Loss	Oosumi Yuuki	2614.60
3	Black	Loss	Ono Takayuki	2406.88
4	Black	Win	Arita Nobuyoshi	2368.64
5	White	Win	Iwano Fumio	2169.48
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2342.69
Round	Color	Result	Opponent
1	Black	Win	Yu Manjiang	2502.58
2	Black	Loss	Zhu Jianfeng	2557.72
3	White	Loss	Zhou Keding	2501.63
4	White	Loss	Isobe Taizan	2403.82
5	White	Loss	Oosumi Yuuki	2612.86
6	Black	Loss	Iio Yoshihiro	2488.18
7	White	Win	Xu Bin	2194.07
4th All Japan Championship
Date	2009-03-21		Rating	2345.81
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1950.16
2	White	Win	Sato Kiyotomi	2446.97
3	White	Win	Ishitani Shin-ichi	2388.29
4	White	Loss	Nakamura Shigeru	2855.58
5	White	Draw	Okabe Hiroshi	2667.78
6	White	Win	Yamaguchi Yusui	2562.44
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2333.87
Round	Color	Result	Opponent
S1	White	Loss	Oosumi Yuuki	2589.10
S2	Black	Loss	Ishitani Shin-ichi	2394.77
S4	Black	Loss	Arita Nobuyoshi	2378.58
S5	White	Draw	Isobe Taizan	2396.87
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2326.53
Round	Color	Result	Opponent
1	White	Win	Kuramoto Hideharu	1905.12
2	White	Win	Kato Yasuhiro	1998.06
3	Black	Loss	Kudomi Takahiro	2351.91
4	Black	Win	Ono Takayuki	2407.39
46th Meijinsen Qualification East-Japan area 1st round
Date	2008-06-15		Rating	2309.53
Round	Color	Result	Opponent
1	Black	Loss	Tanno Yoshitaka	2119.44
2	White	Win	Tamada Yoichi	2229.00
3	White	Draw	Arita Nobuyoshi	2391.22
4	White	Win	Kubo Izumi	2100.36
ex	White	Loss	Sato Kiyotomi	2426.42
25th Kanto Championship
Date	2008-05-18		Rating	2307.06
Round	Color	Result	Opponent
1	White	Win	Tanizaki Ryusuke	2118.51
2	Black	Win	Ono Takayuki	2393.45
3	Black	Loss	Arita Nobuyoshi	2391.40
4	Black	Win	Kato Yasuhiro	1991.97
5	Black	Loss	Nakamura Shigeru	2856.46
3rd All Japan Championship
Date	2008-03-23		Rating	2298.42
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2853.64
2	White	Loss	Maruta Hiroki	2028.71
3	Black	Draw	Fujikawa Masaki	2104.30
4	White	Win	Nakayama Tomoharu	2228.84
5	Black	Win	Tanizaki Ryusuke	2119.28
6	White	Win	Tamada Yoichi	2204.96
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2276.13
Round	Color	Result	Opponent
1	Black	Draw	Watanabe Tatsuya	2137.57
2	White	Win	Kurimoto Masayuki	1658.20
3	White	Win	Watanabe Yoko	2056.64
4	White	Loss	Ono Takayuki	2376.48
5	White	Loss	Nagao Noriaki	2247.83
45th Meijinsen Qualification East-Japan area 1st round
Date	2007-06-17		Rating	2269.67
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2394.53
2	White	Win	Hara Masao	2051.68
3	White	Loss	Arita Nobuyoshi	2364.97
4	White	Win	Kubo Izumi	2093.74
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2268.48
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2343.93
2	White	Win	Nagao Noriaki	2229.22
3	Black	Win	Tanizaki Ryusuke	2139.93
4	Black	Loss	Kudomi Takahiro	2332.84
5	Black	Win	Isobe Taizan	2428.88
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2268.17
Round	Color	Result	Opponent
1	White	Loss	Wu Hao	2614.33
2	White	Loss	Yu Manjiang	2576.92
3	White	Win	Zhang Yifeng	2379.58
SF1	White	Loss	Okabe Hiroshi	2616.27
SF2	White	Loss	Ge Chongyu	2389.50
SF3	White	Draw	Isobe Taizan	2428.88
SF4	White	Loss	Zhu Jianfeng	2514.33
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2264.28
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2422.83
2	White	Win	Maruta Hiroki	2022.53
3	White	Loss	Oosumi Yuuki	2505.62
4	White	Win	Fujikawa Masaki	2099.75
5	White	Win	Miyoshi Takeo	2282.69
6	White	Loss	Ishitani Shin-ichi	2379.39
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2245.03
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2007.65
2	White	Win	Matsuoka Teruo	1854.54
3	Black	Win	Tomobe Katsuhiro	2070.40
4	White	Win	Kato Yasuhiro	2007.31
5	White	Loss	Nagao Noriaki	2243.47
Asian Championship 2006
Date	2006-08-15		Rating	2242.70
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2098.17
2	White	Loss	Park Jeong Ho	2386.19
3	White	Loss	Choi Yun Suk	2266.76
4	Black	Loss	Ishitani Shin-ichi	2360.90
5	Black	Loss	Kim Su Chan	2128.95
6	White	Win	Cha Jee-Young	1702.56
7	White	Win	Kang Bo-Ra	1747.37
8	White	Draw	Chang Jae-Won	2017.38
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2251.11
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2034.42
2	Black	Loss	Koyama Jun	2336.45
3	White	Loss	Tamura Kazumasa	2362.49
4	White	Draw	Ono Takayuki	2299.05
23rd Kanto Championship
Date	2006-05-21		Rating	2256.52
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2040.60
2	White	Win	Maruta Koji	2114.86
3	White	Draw	Okabe Hiroshi	2594.26
4	Black	Loss	Yamaguchi Yusui	2635.60
5	Black	Win	Kudomi Takahiro	2280.56
1st All Japan Championship
Date	2006-03-26		Rating	2259.01
Round	Color	Result	Opponent
1	Black	Win	Hara Masao	2070.63
2	Black	Loss	Yamaguchi Yusui	2633.89
3	Black	Win	Kato Yasuhiro	2052.69
4	White	Win	Matsuura Hiroshi	2310.72
5	White	Loss	Oosumi Yuuki	2418.96
6	Black	Loss	Isobe Taizan	2423.23
The 4th Shanghai Renju Meijin Invitation Tournament
Date	2006-03-20		Rating	2259.01
Round	Color	Result	Opponent
1	White	Loss	Ge Lingfeng	2388.99
2	White	Loss	Wu Hao	2598.26
3	White	Loss	Zhu Jianfeng	2496.70
4	White	Loss	Isobe Taizan	2424.22
5	White	Loss	Li Hongbin	2458.80
6	White	Win	Xue Wenxi	2377.79
7	White	Loss	Takashima Junya	2507.96
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2270.65
Round	Color	Result	Opponent
1	Black	Win	Watanabe Tatsuya	2126.79
2	Black	Win	Hara Masao	2055.07
3	White	Draw	Itami Yoshiyuki	2180.23
4	White	Loss	Sato Kiyotomi	2392.67
World Championship 2005, BT
Date	2005-08-05		Rating	2276.14
Round	Color	Result	Opponent
1	Black	Win	Poghosyan Albert	2375.38
2	White	Loss	Kozhin Mikhail	2552.42
3	Black	Loss	Cheng Wei-Yuan	2370.91
4	White	Win	Kaljuste Ergo	1935.84
6	Black	Loss	Lents Johann	2533.18
7	Black	Win	Lillemets Rauni	2142.49
8	White	Win	Jonsson Peter	2368.10
9	Black	Win	Sandstrom Richard	2267.45
43rd Meijinsen Qualification: East Japan Final
Date	2005-07-11		Rating	2273.81
Round	Color	Result	Opponent
	White	Loss	Sato Kiyotomi	2392.76
	White	Loss	Okabe Hiroshi	2581.03
	White	Win	Itami Yoshiyuki	2187.60
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2271.43
Round	Color	Result	Opponent
1	Black	Win	Arita Nobuyoshi	2322.93
2	White	Win	Sato Kiyotomi	2392.68
3	Black	Draw	Kudomi Takahiro	2297.56
4	White	Win	Okabe Hiroshi	2581.39
22nd Kanto Championship
Date	2005-05-22		Rating	2264.73
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2274.44
2	White	Win	Ono Takayuki	2291.28
3	White	Loss	Nagao Noriaki	2229.62
4	Black	Win	Watanabe Tatsuya	2103.52
5	Black	Win	Kamemoto Daichi	2130.27
The 3rd Shanghai Renju Meijin Invitation Tournament
Date	2005-05-04		Rating	2258.78
Round	Color	Result	Opponent
1	Black	Loss	Ge Lingfeng	2361.82
2	White	Draw	Wu Jie	2233.75
3	Black	Loss	Xue Wenxi	2392.70
4	White	Win	Tao Junfeng	1872.80
5	Black	Loss	Chen Lin	2462.00
6	White	Loss	Gu Gongbo	2115.67
7	White	Loss	Yin Licheng	2404.12
Japan WC Qualification tournament
Date	2005-04-03		Rating	2254.89
Round	Color	Result	Opponent
1	Black	Loss	Matsuura Hiroshi	2387.18
2	Black	Win	Maruta Hiroki	1950.22
3	Black	Loss	Miyoshi Takeo	2271.18
4	White	Draw	Tamura Kazumasa	2342.83
5	White	Win	Arita Nobuyoshi	2300.13
6	White	Loss	Ishitani Shin-ichi	2385.25
5th Kanto Renju Emperor Tournament - 2nd round
Date	2004-12-19		Rating	2244.97
Round	Color	Result	Opponent
	Black	Loss	Kudomi Takahiro	2326.95
	Black	Loss	Ono Takayuki	2292.02
	Black	Loss	Sato Kiyotomi	2366.67
	Black	Loss	Okabe Hiroshi	2574.86
	Black	Loss	Yamaguchi Yusui	2566.29
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2246.29
Round	Color	Result	Opponent
1	Black	Win	Koyama Jun	2236.21
2	Black	Loss	Ono Takayuki	2290.00
3	Black	Win	Tadokoro Hosai	1926.15
4	White	Win	Sato Takuma	2174.51
42nd Meijinsen Qualification: East Japan 1st round
Date	2004-06-13		Rating	2245.94
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2210.58
2	Black	Loss	Ono Takayuki	2254.34
4	White	Win	Sunagawa Shouki	2131.43
The 2nd Shanghai Renju Meijin Invitation Tournament
Date	2004-05-04		Rating	2248.96
Round	Color	Result	Opponent
	White	Loss	Yamaguchi Yusui	2588.36
	White	Loss	Chen Lin	2433.79
	White	Loss	Li Hongbin	2433.89
	White	Loss	Isobe Taizan	2430.80
	White	Win	Ge Lingfeng	2322.44
	White	Loss	Xue Wenxi	2377.28
	Black	Win	Xu Bin	2137.91
7th Mikami Cup - Special Class
Date	2004-01-25		Rating	2259.51
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2554.45
2	Black	Loss	Ishitani Shin-ichi	2385.33
3	Black	Draw	Miyagawa Junzo	2258.75
4th Kanto Renju Emperor Tournament - 2nd round
Date	2003-11-30		Rating	2265.31
Round	Color	Result	Opponent
	White	Draw	Nagao Noriaki	2280.15
	Black	Loss	Maruta Koji	2227.83
	Black	Loss	Isobe Taizan	2422.07
	Black	Loss	Yamaguchi Yusui	2592.55
	Black	Loss	Okabe Hiroshi	2557.01
Asian Cup 2003
Date	2003-10-10		Rating	2276.88
Round	Color	Result	Opponent
1	White	Win	Lin Sheng-Min	2114.56
2	White	Win	Zhang Jinyu	2482.68
3	White	Loss	Lents Johann	2472.07
4	White	Loss	Wu Hao	2498.09
5	White	Loss	Wang Chih-Kung	2192.87
6	White	Win	Shi Xiaolin	2097.33
7	Black	Win	Liu Tong	2218.17
8	White	Loss	Chang Chao-Yung	2203.57
9	White	Win	Hua Tao	2114.86
World Championship 2003, BT
Date	2003-08-08		Rating	2288.92
Round	Color	Result	Opponent
1	White	Draw	Rybka Aleš	2206.37
2	White	Win	Chen Ko-Han	2422.88
3	White	Win	Tamura Kazumasa	2299.49
4	White	Win	Chen Wei	2512.09
5	White	Loss	Lents Johann	2461.84
6	White	Loss	Ilu Timo	2448.90
7	White	Loss	Ishitani Shin-ichi	2382.27
8	White	Loss	Chernov Sergey	2341.50
9	White	Win	Ono Takayuki	2198.84
World Championship 2003, QT
Date	2003-07-31		Rating	2289.66
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2493.02
2	White	Win	Tarannikov Yuriy	2584.71
3	White	Draw	Dzainukov Eldar	2196.68
4	White	Win	Karasyov Maxim	2489.10
5	White	Loss	Sushkov Vladimir	2688.01
6	White	Loss	Gardström Petter	2414.54
7	White	Loss	Ilu Timo	2447.31
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2291.42
Round	Color	Result	Opponent
1	Black	Draw	Tadokoro Hosai	1984.45
2	Black	Loss	Maruta Koji	2218.82
3	Black	Win	Ohno Syunzo	2018.93
4	Black	Win	Sato Takuma	2118.42
Japan WC Qualification 2003
Date	2003-03-22		Rating	2298.47
Round	Color	Result	Opponent
1	Black	Win	Kuramoto Hideharu	1717.48
2	Black	Win	Sakurai Yasuo	2078.25
3	White	Loss	Nara Hideki	2587.90
4	Black	Loss	Isobe Taizan	2439.18
5	Black	Win	Miyagawa Sou	2080.28
1st Shanghai Meijin
Date	2003-03-20		Rating	2298.65
Round	Color	Result	Opponent
	White	Win	Ye Sen	2068.45
	White	Loss	Yu Zhenlin	1933.36
	Black	Draw	Li Hongbin	2378.83
	Black	Win	Sakurai Yasuo	2078.18
	Black	Win	Cui Yue	2268.00
	Black	Win	Gu Wei	2350.01
	Black	Loss	Tian Yifang	2247.51
	Black	Win	Ono Takayuki	2179.01
	Black	Win	Hou Jun	2061.20
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2303.83
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2208.31
2	Black	Loss	Arita Nobuyoshi	2154.97
3	Black	Win	Sato Takuma	2068.53
4	Black	Win	Suzuki Naoya	2265.05
Japan WC Qualification tournament
Date	2001-03-24		Rating	2296.43
Round	Color	Result	Opponent
1	Black	Draw	Okabe Hiroshi	2333.21
2	Black	Win	Sakurai Yasuo	2067.33
3	White	Loss	Nara Hideki	2554.71
4	Black	Win	Miyoshi Takeo	2189.60
5	White	Loss	Hasegawa Kazuto	2560.60
6	Black	Win	Miyagawa Sou	1967.99
7	White	Loss	Ishitani Shin-ichi	2414.82
38th Meijinsen Qualification: East Japan 2nd round
Date	2000-07-02		Rating	2290.56
Round	Color	Result	Opponent
	White	Draw	Isobe Taizan	2453.25
	White	Loss	Kusajima Masato	2355.81
	White	Loss	Kudomi Takahiro	2353.87
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2291.80
Round	Color	Result	Opponent
1	Black	Loss	Kubo Izumi	2172.52
2	Black	Loss	Maruta Koji	2208.74
3	Black	Win	Adachi Yasuhiro	1993.47
4	White	Win	Kusajima Masato	2353.09
Kanto Championship
Date	2000-05-14		Rating	2294.00
Round	Color	Result	Opponent
1	Black	Win	Tadokoro Hosai	1971.92
2	White	Win	Okabe Hiroshi	2276.17
3	White	Loss	Kusajima Masato	2352.17
4	White	Loss	Nakamura Shigeru	2758.56
World Championship 1999, BT
Date	1999-08-05		Rating	2319.60
Round	Color	Result	Opponent
1	Black	Loss	Jonsson Peter	2258.77
2	White	Win	Gaulitz Joachim	2375.75
3	White	Win	Chen Chen-Kuo	2125.56
4	White	Loss	Nara Hideki	2550.08
5	White	Win	Poghosyan Albert	2325.68
6	White	Win	Khramov Andrey	2211.69
7	White	Loss	Filippov Sergey	2368.29
8	White	Draw	Volkov Sergey	2270.63
9	White	Win	Andersson Tord	2250.88
“Compaq Cup” International Invitational Tournament
Date	1997-05-10		Rating	2321.75
Round	Color	Result	Opponent
1	White	Win	Li Dong	2104.61
2	White	Win	Ishitani Shin-ichi	2316.94
3	Black	Loss	Nara Hideki	2530.53
4	White	Win	Su Liang	1974.67
5	Black	Draw	Karlsson Stefan	2423.64
6	White	Loss	Isobe Taizan	2423.34
7	White	Loss	Zhang Jinyu	2271.91
8	White	Loss	Deng Jinghui	2117.18
9	White	Win	Yu Jingping	2030.62
World Championship 1995, BT
Date	1995-08-07		Rating	2379.73
Round	Color	Result	Opponent
	White	Loss	Sinyov Igor	2496.43
	Black	Win	Matyuk Valeri	2203.50
	White	Win	Fedorkin Oleg	2344.50
	White	Win	Hayakawa Yoshimi	2551.49
	White	Loss	Gurckis Gatis	2289.71
	White	Win	Na Wei	1919.58
	Black	Win	Tuvikene Margus	2349.05
World Championship 1993, BT
Date	1993-08-12		Rating	2364.54
Round	Color	Result	Opponent
	White	Loss	Tuvikene Margus	2349.25
	White	Win	Matyuk Valeri	2170.46
	Black	Win	Henningsson Anders	2223.30
	White	Loss	Palmgren Jan	2247.73
	White	Win	Maltell Tommy	1982.72
	Black	Win	Golosov Viktor	2144.07
World Championship 1991, BT
Date	1991-08-10		Rating	2374.50
Round	Color	Result	Opponent
3	White	Win	Krasnonosov Dmitry	2223.38
6	Black	Win	Zabrodin Evgeny	2190.85
The 1st Meijin-sen Match
Date	1962-10-12		Rating	1870.50
Round	Color	Result	Opponent
1	White	Loss	Yamakita Toshinori	1956.36
2	Black	Loss	Yamakita Toshinori	1956.36
3	Black	Draw	Yamakita Toshinori	1956.36
4	White	Draw	Yamakita Toshinori	1956.36