Mitsumori Masao (三森政男)

Place: Hasuta, Japan

Birth: 1936-08-26

Rating: 2309.83, Std: 224.96, Rank: -

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

Top rating: 2382.87 (1995-08-07)

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

Gy1: 0, Gy2: 0, Gy5: 0

57 Meijinsen Qualification Kanto area 1st round
Date	2019-05-12		Rating	2309.83
Round	Color	Result	Opponent
1	White	Loss	Maruta Hiroki	2180.50
2	White	Loss	Inoue Fumiya	2418.38
3	White	Win	Iwano Fumio	2200.45
4	White	Win	Maruta Koji	2133.41
56 Meijinsen Qualification Kanto area 1st round
Date	2018-05-13		Rating	2326.54
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2576.62
2	White	Loss	Sato Kiyotomi	2437.07
3	Black	Win	Iwano Fumio	2251.06
4	Black	Loss	Ono Takayuki	2380.92
55 Meijinsen Qualification Kanto area 1st round
Date	2017-05-21		Rating	2325.75
Round	Color	Result	Opponent
1	Black	Draw	Chigira Makoto	2054.71
2	White	Win	Iwano Fumio	2264.29
3	White	Loss	Ono Takayuki	2370.51
4	White	Loss	Sato Kiyotomi	2468.99
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2349.94
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2564.97
2	White	Loss	Okabe Hiroshi	2720.62
3	White	Loss	Kamiya Shunsuke	2723.41
4	White	Draw	Koyama Jun	2625.73
5	White	Win	Kusajima Masato	2264.85
54 Meijinsen Qualification Kanto area 1st round
Date	2016-05-22		Rating	2350.78
Round	Color	Result	Opponent
1	White	Win	Chigira Makoto	2038.10
2	White	Win	Kamiya Shunsuke	2721.59
3	White	Loss	Sato Kiyotomi	2516.92
4	White	Win	Maruta Koji	2180.25
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2322.58
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2611.60
2	White	Loss	Nakamura Souta	2289.03
3	Black	Win	Chigira Makoto	2000.16
4	Black	Win	Fujikawa Masaki	2098.03
10th All Japan Championship
Date	2015-03-29		Rating	2321.11
Round	Color	Result	Opponent
1	White	Win	Fujita Yudai	2362.25
2	White	Loss	Tamada Yoichi	2579.93
3	White	Win	Kubo Izumi	2080.91
4	White	Loss	Koyama Jun	2602.31
5	White	Loss	Tanizaki Ryusuke	2198.39
6	White	Loss	Miyagawa Junzo	2239.94
1st Senior Masters Championship
Date	2014-08-29		Rating	2334.29
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2215.87
2	Black	Loss	Ishitani Shin-ichi	2448.63
3	Black	Win	Miura Hitoshi	1802.29
4	White	Win	Kubo Izumi	2085.90
5	White	Loss	Isobe Taizan	2428.49
6	White	Win	Kobayashi Koichi	2249.05
7	White	Win	Kato Yasuhiro	2085.82
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2335.40
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2553.17
2	White	Loss	Kawamura Norihiko	2642.97
3	White	Win	Iwano Fumio	2258.98
4	White	Win	Kudomi Takahiro	2318.78
Team World Championship 2014
Date	2014-05-03		Rating	2333.89
Round	Color	Result	Opponent
5	White	Loss	Artemyev Sergey	2590.26
6	White	Loss	Oosumi Yuuki	2822.81
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2329.58
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2386.44
2	Black	Win	Tomobe Katsuhiro	2150.51
3	White	Win	Kato Yasuhiro	2133.80
4	White	Loss	Sato Kiyotomi	2464.95
5	White	Loss	Kamiya Shunsuke	2546.81
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2330.79
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2142.37
2	White	Win	Kobayashi Koichi	2213.22
3	White	Loss	Kamiya Shunsuke	2540.62
4	White	Win	Ono Takayuki	2383.44
29th Kanto Championship
Date	2013-05-12		Rating	2332.26
Round	Color	Result	Opponent
1	White	Draw	Tada Ayako	2286.51
2	White	Draw	Isobe Taizan	2393.09
3	Black	Loss	Nakamura Shigeru	2862.85
4	White	Win	Tomobe Katsuhiro	2156.95
5	White	Loss	Kato Yasuhiro	2145.63
8th All Japan Championship
Date	2013-03-24		Rating	2337.05
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2865.31
2	White	Win	Kubo Izumi	2088.24
3	White	Win	Kato Yasuhiro	2141.41
4	White	Loss	Isobe Taizan	2401.62
5	White	Win	Kudomi Takahiro	2416.73
6	White	Loss	Kamiya Shunsuke	2525.87
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2340.80
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2717.04
S2	White	Loss	Fukui Nobuhiro	2563.64
S3	White	Win	Kobayashi Koichi	2211.30
S4	White	Win	Ishitani Shin-ichi	2365.04
S5	Black	Loss	Kudomi Takahiro	2418.84
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2344.73
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2108.48
2	White	Loss	Maruta Koji	2145.31
3	White	Loss	Ono Takayuki	2423.82
4	White	Win	Maruta Hiroki	2117.84
50 Meijinsen Qualification East-Japan area 1st round
Date	2012-06-03		Rating	2362.12
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2127.30
2	White	Win	Sato Kiyotomi	2394.99
3	Black	Loss	Nakamura Shigeru	2882.65
4	White	Loss	Kudomi Takahiro	2425.47
29th Kanto Championship
Date	2012-05-13		Rating	2364.04
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2072.43
2	White	Loss	Kudomi Takahiro	2425.45
3	White	Win	Nakayama Tomoharu	2615.57
4	White	Loss	Nakamura Shigeru	2882.58
5	White	Win	Iwano Fumio	2129.27
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2364.82
Round	Color	Result	Opponent
S2	White	Loss	Oosumi Yuuki	2791.02
S3	White	Win	Tadokoro Hosai	1857.57
S4	White	Loss	Nakamura Shigeru	2876.69
S5	Black	Loss	Ishitani Shin-ichi	2370.95
7th All Japan Championship
Date	2012-01-29		Rating	2368.00
Round	Color	Result	Opponent
1	Black	Win	Suzuki Rin	1991.90
2	White	Loss	Iio Yoshihiro	2481.56
3	White	Win	Kobayashi Koichi	2207.74
4	White	Win	Ishitani Shin-ichi	2377.20
5	White	Loss	Oosumi Yuuki	2788.37
6	White	Win	Tamada Yoichi	2485.08
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2367.28
Round	Color	Result	Opponent
1	White	Win	Nakayama Tomoharu	2598.60
2	White	Loss	Okabe Hiroshi	2697.67
3	White	Loss	Nakamura Shigeru	2873.34
4	White	Loss	Oosumi Yuuki	2786.94
5	White	Loss	Kamiya Shunsuke	2454.59
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2361.59
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2186.79
2	White	Loss	Kamiya Shunsuke	2439.79
3	White	Win	Ono Takayuki	2404.64
4	White	Win	Kudomi Takahiro	2418.83
49 Meijinsen Qualification East-Japan area 1st round
Date	2011-06-12		Rating	2337.49
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2420.79
2	White	Loss	Ono Takayuki	2394.26
3	White	Loss	Kudomi Takahiro	2411.03
4	White	Win	Maruta Hiroki	2106.40
28th Kanto Championship
Date	2011-05-22		Rating	2335.98
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2098.94
2	Black	Win	Maruta Hiroki	2108.41
3	White	Loss	Tomobe Katsuhiro	2225.80
4	White	Win	Ono Takayuki	2393.60
5	White	Win	Nakayama Tomoharu	2544.40
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2326.57
Round	Color	Result	Opponent
S1	White	Win	Gakumazawa Hideaki	2112.58
S2	White	Loss	Oosumi Yuuki	2735.03
S3	White	Loss	Ono Takayuki	2391.38
S5	Black	Loss	Nakamura Shigeru	2855.38
11 Kanto Renju Emperor Tournament 2nd round
Date	2010-11-21		Rating	2323.13
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2410.99
2	Black	Loss	Nakamura Shigeru	2857.56
3	White	Loss	Nakayama Tomoharu	2522.33
4	White	Loss	Okabe Hiroshi	2694.65
5	White	Win	Fukui Nobuhiro	2348.74
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2322.63
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2119.83
2	White	Win	Nagao Noriaki	2391.40
3	White	Loss	Okabe Hiroshi	2694.38
4	White	Win	Ono Takayuki	2385.65
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2301.19
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2083.91
2	White	Win	Fukui Nobuhiro	2318.68
3	White	Draw	Isobe Taizan	2395.27
4	White	Loss	Ono Takayuki	2389.89
27th Kanto Championship
Date	2010-05-23		Rating	2293.27
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2206.56
2	Black	Win	Maruta Hiroki	2079.94
3	White	Loss	Ono Takayuki	2389.53
4	White	Loss	Nagao Noriaki	2375.92
5	Black	Loss	Fukui Nobuhiro	2313.87
5th All Japan Championship
Date	2010-03-21		Rating	2290.32
Round	Color	Result	Opponent
1	White	Loss	Shimoyama Takuma	2263.49
2	White	Draw	Kawasaki Nobuhiko	2178.40
3	White	Loss	Kobayashi Koichi	2130.22
4	White	Loss	Tada Ayako	2175.53
5	White	Win	Matsuoka Teruo	1973.58
6	Black	Win	Kuramoto Hideharu	1899.28
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2298.01
Round	Color	Result	Opponent
S1	White	Loss	Ono Takayuki	2382.97
S2	White	Loss	Sato Kiyotomi	2417.52
S3	White	Win	Nagao Noriaki	2358.21
S4	White	Win	Kataoka Mitsuaki	2259.59
S5	White	Loss	Yamaguchi Yusui	2583.77
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2314.64
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2092.92
2	White	Loss	Hara Masao	2017.27
3	Black	Win	Iwano Fumio	2146.94
4	White	Loss	Tada Ayako	2140.81
47th Meijinsen Qualification East-Japan area final round
Date	2009-07-05		Rating	2338.33
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2572.44
2	White	Win	Ono Takayuki	2401.76
3	White	Win	Kudomi Takahiro	2364.50
4	White	Draw	Arita Nobuyoshi	2367.12
5	White	Draw	Tamura Kazumasa	2509.83
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2341.01
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2404.36
2	Black	Loss	Sato Kiyotomi	2440.54
3	White	Win	Kudomi Takahiro	2364.78
4	White	Loss	Tamura Kazumasa	2512.55
26th Kanto Championship
Date	2009-05-17		Rating	2343.06
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2063.48
2	White	Loss	Oosumi Yuuki	2615.31
3	Black	Loss	Ono Takayuki	2407.64
4	Black	Win	Arita Nobuyoshi	2369.38
5	White	Win	Iwano Fumio	2170.26
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2343.47
Round	Color	Result	Opponent
1	Black	Win	Yu Manjiang	2503.38
2	Black	Loss	Zhu Jianfeng	2558.74
3	White	Loss	Zhou Keding	2502.48
4	White	Loss	Isobe Taizan	2404.62
5	White	Loss	Oosumi Yuuki	2613.57
6	Black	Loss	Iio Yoshihiro	2488.96
7	White	Win	Xu Bin	2194.88
4th All Japan Championship
Date	2009-03-21		Rating	2346.58
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1950.90
2	White	Win	Sato Kiyotomi	2447.74
3	White	Win	Ishitani Shin-ichi	2389.03
4	White	Loss	Nakamura Shigeru	2856.39
5	White	Draw	Okabe Hiroshi	2668.55
6	White	Win	Yamaguchi Yusui	2563.20
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2334.63
Round	Color	Result	Opponent
S1	White	Loss	Oosumi Yuuki	2589.81
S2	Black	Loss	Ishitani Shin-ichi	2395.51
S4	Black	Loss	Arita Nobuyoshi	2379.32
S5	White	Draw	Isobe Taizan	2397.65
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2327.28
Round	Color	Result	Opponent
1	White	Win	Kuramoto Hideharu	1905.82
2	White	Win	Kato Yasuhiro	1998.79
3	White	Loss	Kudomi Takahiro	2352.67
4	White	Win	Ono Takayuki	2408.15
46th Meijinsen Qualification East-Japan area 1st round
Date	2008-06-15		Rating	2310.27
Round	Color	Result	Opponent
1	Black	Loss	Tanno Yoshitaka	2120.39
2	White	Win	Tamada Yoichi	2229.76
3	White	Draw	Arita Nobuyoshi	2391.95
4	White	Win	Kubo Izumi	2101.09
ex	White	Loss	Sato Kiyotomi	2427.15
25th Kanto Championship
Date	2008-05-18		Rating	2307.79
Round	Color	Result	Opponent
1	White	Win	Tanizaki Ryusuke	2119.24
2	Black	Win	Ono Takayuki	2394.19
3	Black	Loss	Arita Nobuyoshi	2392.12
4	Black	Win	Kato Yasuhiro	1992.67
5	Black	Loss	Nakamura Shigeru	2857.29
3rd All Japan Championship
Date	2008-03-23		Rating	2299.14
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2854.48
2	White	Loss	Maruta Hiroki	2029.40
3	White	Draw	Fujikawa Masaki	2105.01
4	White	Win	Nakayama Tomoharu	2229.62
5	Black	Win	Tanizaki Ryusuke	2120.00
6	White	Win	Tamada Yoichi	2205.70
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2276.82
Round	Color	Result	Opponent
1	Black	Draw	Watanabe Tatsuya	2138.25
2	White	Win	Kurimoto Masayuki	1658.57
3	White	Win	Watanabe Yoko	2057.29
4	White	Loss	Ono Takayuki	2377.19
5	White	Loss	Nagao Noriaki	2248.53
45th Meijinsen Qualification East-Japan area 1st round
Date	2007-06-17		Rating	2270.34
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2395.26
2	White	Win	Hara Masao	2052.34
3	White	Loss	Arita Nobuyoshi	2365.66
4	White	Win	Kubo Izumi	2094.39
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2269.14
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2344.61
2	White	Win	Nagao Noriaki	2229.90
3	Black	Win	Tanizaki Ryusuke	2140.60
4	Black	Loss	Kudomi Takahiro	2333.52
5	Black	Win	Isobe Taizan	2429.58
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2268.82
Round	Color	Result	Opponent
1	White	Loss	Wu Hao	2615.00
2	White	Loss	Yu Manjiang	2577.65
3	White	Win	Zhang Yifeng	2380.30
SF1	White	Loss	Okabe Hiroshi	2616.95
SF2	White	Loss	Ge Chongyu	2390.19
SF3	White	Draw	Isobe Taizan	2429.57
SF4	White	Loss	Zhu Jianfeng	2515.09
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2264.93
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2423.51
2	White	Win	Maruta Hiroki	2023.18
3	White	Loss	Oosumi Yuuki	2506.28
4	White	Win	Fujikawa Masaki	2100.40
5	White	Win	Miyoshi Takeo	2283.37
6	White	Loss	Ishitani Shin-ichi	2380.03
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2245.64
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2008.28
2	White	Win	Matsuoka Teruo	1855.18
3	Black	Win	Tomobe Katsuhiro	2071.02
4	White	Win	Kato Yasuhiro	2007.94
5	White	Loss	Nagao Noriaki	2244.12
Asian Championship 2006
Date	2006-08-15		Rating	2243.29
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2098.76
2	White	Loss	Park Jeong Ho	2386.42
3	White	Loss	Choi Yun Suk	2266.81
4	Black	Loss	Ishitani Shin-ichi	2361.49
5	Black	Loss	Kim Su Chan	2129.10
6	White	Win	Cha Jee-Young	1702.64
7	White	Win	Kang Bo-Ra	1747.46
8	White	Draw	Chang Jae-Won	2017.55
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2251.71
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2035.03
2	Black	Loss	Koyama Jun	2337.09
3	White	Loss	Tamura Kazumasa	2363.21
4	White	Draw	Ono Takayuki	2299.68
23rd Kanto Championship
Date	2006-05-21		Rating	2257.11
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2041.21
2	White	Win	Maruta Koji	2115.52
3	White	Draw	Okabe Hiroshi	2594.91
4	Black	Loss	Yamaguchi Yusui	2636.22
5	Black	Win	Kudomi Takahiro	2281.20
1st All Japan Championship
Date	2006-03-26		Rating	2259.60
Round	Color	Result	Opponent
1	Black	Win	Hara Masao	2071.25
2	Black	Loss	Yamaguchi Yusui	2634.51
3	Black	Win	Kato Yasuhiro	2053.30
4	White	Win	Matsuura Hiroshi	2311.37
5	White	Loss	Oosumi Yuuki	2419.56
6	Black	Loss	Isobe Taizan	2423.89
The 4th Shanghai Renju Meijin Invitation Tournament
Date	2006-03-20		Rating	2259.60
Round	Color	Result	Opponent
1	White	Loss	Ge Lingfeng	2389.66
2	White	Loss	Wu Hao	2598.91
3	White	Loss	Zhu Jianfeng	2497.37
4	White	Loss	Isobe Taizan	2424.88
5	White	Loss	Li Hongbin	2459.55
6	White	Win	Xue Wenxi	2378.47
7	White	Loss	Takashima Junya	2508.63
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2271.22
Round	Color	Result	Opponent
1	Black	Win	Watanabe Tatsuya	2127.37
2	Black	Win	Hara Masao	2055.69
3	White	Draw	Itami Yoshiyuki	2180.82
4	White	Loss	Sato Kiyotomi	2393.29
World Championship 2005, BT
Date	2005-08-05		Rating	2276.70
Round	Color	Result	Opponent
1	Black	Win	Poghosyan Albert	2375.61
2	White	Loss	Kozhin Mikhail	2549.92
3	Black	Loss	Cheng Wei-Yuan	2371.26
4	White	Win	Kaljuste Ergo	1936.33
6	Black	Loss	Lents Johann	2533.72
7	Black	Win	Lillemets Rauni	2143.12
8	White	Win	Jonsson Peter	2368.73
9	Black	Win	Sandstrom Richard	2268.06
43rd Meijinsen Qualification: East Japan Final
Date	2005-07-11		Rating	2274.37
Round	Color	Result	Opponent
	White	Loss	Sato Kiyotomi	2393.38
	White	Loss	Okabe Hiroshi	2581.68
	White	Win	Itami Yoshiyuki	2188.19
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2272.00
Round	Color	Result	Opponent
1	Black	Win	Arita Nobuyoshi	2323.55
2	White	Win	Sato Kiyotomi	2393.30
3	Black	Draw	Kudomi Takahiro	2298.15
4	White	Win	Okabe Hiroshi	2582.04
22nd Kanto Championship
Date	2005-05-22		Rating	2265.30
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2275.05
2	White	Win	Ono Takayuki	2291.88
3	White	Loss	Nagao Noriaki	2230.24
4	Black	Win	Watanabe Tatsuya	2104.09
5	Black	Win	Kamemoto Daichi	2130.87
The 3rd Shanghai Renju Meijin Invitation Tournament
Date	2005-05-04		Rating	2259.35
Round	Color	Result	Opponent
1	Black	Loss	Ge Lingfeng	2362.47
2	White	Draw	Wu Jie	2234.37
3	Black	Loss	Xue Wenxi	2393.34
4	White	Win	Tao Junfeng	1873.10
5	Black	Loss	Chen Lin	2462.65
6	White	Loss	Gu Gongbo	2116.19
7	White	Loss	Yin Licheng	2404.84
Japan WC Qualification tournament
Date	2005-04-03		Rating	2255.46
Round	Color	Result	Opponent
1	Black	Loss	Matsuura Hiroshi	2387.86
2	Black	Win	Maruta Hiroki	1950.78
3	Black	Loss	Miyoshi Takeo	2271.81
4	White	Draw	Tamura Kazumasa	2343.65
5	White	Win	Arita Nobuyoshi	2300.75
6	White	Loss	Ishitani Shin-ichi	2385.84
5th Kanto Renju Emperor Tournament - 2nd round
Date	2004-12-19		Rating	2245.55
Round	Color	Result	Opponent
	Black	Loss	Kudomi Takahiro	2327.53
	Black	Loss	Ono Takayuki	2292.60
	Black	Loss	Sato Kiyotomi	2367.29
	Black	Loss	Okabe Hiroshi	2575.52
	Black	Loss	Yamaguchi Yusui	2566.98
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2246.86
Round	Color	Result	Opponent
1	Black	Win	Koyama Jun	2236.80
2	Black	Loss	Ono Takayuki	2290.59
3	Black	Win	Tadokoro Hosai	1926.73
4	White	Win	Sato Takuma	2175.09
42nd Meijinsen Qualification: East Japan 1st round
Date	2004-06-13		Rating	2246.52
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2211.15
2	Black	Loss	Ono Takayuki	2254.90
4	White	Win	Sunagawa Shouki	2132.07
The 2nd Shanghai Renju Meijin Invitation Tournament
Date	2004-05-04		Rating	2249.54
Round	Color	Result	Opponent
	White	Loss	Yamaguchi Yusui	2589.13
	White	Loss	Chen Lin	2434.42
	White	Loss	Li Hongbin	2434.56
	White	Loss	Isobe Taizan	2431.48
	White	Win	Ge Lingfeng	2323.05
	White	Loss	Xue Wenxi	2377.88
	Black	Win	Xu Bin	2138.47
7th Mikami Cup - Special Class
Date	2004-01-25		Rating	2260.08
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2555.10
2	Black	Loss	Ishitani Shin-ichi	2385.92
3	Black	Draw	Miyagawa Junzo	2259.37
4th Kanto Renju Emperor Tournament - 2nd round
Date	2003-11-30		Rating	2265.88
Round	Color	Result	Opponent
	White	Draw	Nagao Noriaki	2280.66
	Black	Loss	Maruta Koji	2228.49
	Black	Loss	Isobe Taizan	2422.76
	Black	Loss	Yamaguchi Yusui	2593.39
	Black	Loss	Okabe Hiroshi	2557.65
Asian Cup 2003
Date	2003-10-10		Rating	2277.44
Round	Color	Result	Opponent
1	White	Win	Lin Sheng-Min	2115.02
2	White	Win	Zhang Jinyu	2483.34
3	White	Loss	Lents Johann	2472.44
4	White	Loss	Wu Hao	2498.64
5	White	Loss	Wang Chih-Kung	2193.21
6	White	Win	Shi Xiaolin	2097.85
7	Black	Win	Liu Tong	2218.81
8	White	Loss	Chang Chao-Yung	2204.00
9	White	Win	Hua Tao	2115.33
World Championship 2003, BT
Date	2003-08-08		Rating	2289.48
Round	Color	Result	Opponent
1	White	Draw	Rybka Aleš	2206.61
2	White	Win	Chen Ko-Han	2423.23
3	White	Win	Tamura Kazumasa	2300.08
4	White	Win	Chen Wei	2512.61
5	White	Loss	Lents Johann	2462.16
6	White	Loss	Ilu Timo	2449.21
7	White	Loss	Ishitani Shin-ichi	2382.81
8	White	Loss	Chernov Sergey	2341.67
9	White	Win	Ono Takayuki	2199.34
World Championship 2003, QT
Date	2003-07-31		Rating	2290.22
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2493.71
2	White	Win	Tarannikov Yuriy	2585.26
3	White	Draw	Dzainukov Eldar	2196.71
4	White	Win	Karasyov Maxim	2488.00
5	White	Loss	Sushkov Vladimir	2688.68
6	White	Loss	Gardström Petter	2415.23
7	White	Loss	Ilu Timo	2447.62
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2292.00
Round	Color	Result	Opponent
1	Black	Draw	Tadokoro Hosai	1985.03
2	Black	Loss	Maruta Koji	2219.49
3	Black	Win	Ohno Syunzo	2019.53
4	Black	Win	Sato Takuma	2118.97
Japan WC Qualification 2003
Date	2003-03-22		Rating	2299.09
Round	Color	Result	Opponent
1	Black	Win	Kuramoto Hideharu	1717.97
2	Black	Win	Sakurai Yasuo	2078.80
3	White	Loss	Nara Hideki	2588.42
4	Black	Loss	Isobe Taizan	2439.94
5	Black	Win	Miyagawa Sou	2080.92
1st Shanghai Meijin
Date	2003-03-20		Rating	2299.27
Round	Color	Result	Opponent
	White	Win	Ye Sen	2068.90
	White	Loss	Yu Zhenlin	1933.76
	Black	Draw	Li Hongbin	2379.45
	Black	Win	Sakurai Yasuo	2078.74
	Black	Win	Cui Yue	2268.47
	Black	Win	Gu Wei	2350.67
	Black	Loss	Tian Yifang	2248.01
	Black	Win	Ono Takayuki	2179.52
	Black	Win	Hou Jun	2061.89
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2304.60
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2208.90
2	Black	Loss	Arita Nobuyoshi	2155.50
3	Black	Win	Sato Takuma	2069.06
4	Black	Win	Suzuki Naoya	2265.66
Japan WC Qualification tournament
Date	2001-03-24		Rating	2297.46
Round	Color	Result	Opponent
1	Black	Draw	Okabe Hiroshi	2333.60
2	Black	Win	Sakurai Yasuo	2067.87
3	White	Loss	Nara Hideki	2555.96
4	Black	Win	Miyoshi Takeo	2190.53
5	White	Loss	Hasegawa Kazuto	2561.84
6	Black	Win	Miyagawa Sou	1968.47
7	White	Loss	Ishitani Shin-ichi	2415.85
38th Meijinsen Qualification: East Japan 2nd round
Date	2000-07-02		Rating	2291.80
Round	Color	Result	Opponent
	White	Draw	Isobe Taizan	2454.68
	White	Loss	Kusajima Masato	2356.90
	White	Loss	Kudomi Takahiro	2354.92
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2293.06
Round	Color	Result	Opponent
1	Black	Loss	Kubo Izumi	2173.17
2	Black	Loss	Maruta Koji	2209.47
3	Black	Win	Adachi Yasuhiro	1994.43
4	White	Win	Kusajima Masato	2354.17
Kanto Championship
Date	2000-05-14		Rating	2295.28
Round	Color	Result	Opponent
1	Black	Win	Tadokoro Hosai	1972.44
2	White	Win	Okabe Hiroshi	2276.28
3	White	Loss	Kusajima Masato	2353.25
4	White	Loss	Nakamura Shigeru	2760.87
World Championship 1999, BT
Date	1999-08-05		Rating	2321.23
Round	Color	Result	Opponent
1	Black	Loss	Jonsson Peter	2260.48
2	White	Win	Gaulitz Joachim	2377.74
3	White	Win	Chen Chen-Kuo	2126.70
4	White	Loss	Nara Hideki	2552.24
5	White	Win	Poghosyan Albert	2327.73
6	White	Win	Khramov Andrey	2214.50
7	White	Loss	Filippov Sergey	2369.92
8	White	Draw	Volkov Sergey	2272.09
9	White	Win	Andersson Tord	2252.43
“Compaq Cup” International Invitational Tournament
Date	1997-05-10		Rating	2324.19
Round	Color	Result	Opponent
1	White	Win	Li Dong	2106.09
2	White	Win	Ishitani Shin-ichi	2318.78
3	Black	Loss	Nara Hideki	2534.33
4	White	Win	Su Liang	1976.14
5	Black	Draw	Karlsson Stefan	2427.13
6	White	Loss	Isobe Taizan	2425.93
7	White	Loss	Zhang Jinyu	2273.99
8	White	Loss	Deng Jinghui	2119.41
9	White	Win	Yu Jingping	2032.11
World Championship 1995, BT
Date	1995-08-07		Rating	2382.87
Round	Color	Result	Opponent
	White	Loss	Sinyov Igor	2501.68
	Black	Win	Matyuk Valeri	2209.09
	White	Win	Fedorkin Oleg	2348.77
	White	Win	Hayakawa Yoshimi	2554.21
	White	Loss	Gurckis Gatis	2294.37
	White	Win	Na Wei	1922.75
	Black	Win	Tuvikene Margus	2351.60
World Championship 1993, BT
Date	1993-08-12		Rating	2367.82
Round	Color	Result	Opponent
	White	Loss	Tuvikene Margus	2348.30
	White	Win	Matyuk Valeri	2174.87
	Black	Win	Henningsson Anders	2226.85
	White	Loss	Palmgren Jan	2251.20
	White	Win	Maltell Tommy	1984.29
	Black	Win	Golosov Viktor	2151.19
World Championship 1991, BT
Date	1991-08-10		Rating	2378.05
Round	Color	Result	Opponent
3	White	Win	Krasnonosov Dmitry	2226.92
6	Black	Win	Zabrodin Evgeny	2200.62
The 1st Meijin-sen Match
Date	1962-10-12		Rating	1869.79
Round	Color	Result	Opponent
1	White	Loss	Yamakita Toshinori	1954.61
2	Black	Loss	Yamakita Toshinori	1954.61
3	Black	Draw	Yamakita Toshinori	1954.61
4	White	Draw	Yamakita Toshinori	1954.61