Mitsumori Masao (三森政男)

Place: Hasuta, Japan

Birth: 1936-08-26

Rating: 2311.47, Std: 226.20, Rank: -

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

Top rating: 2383.19 (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	2311.47
Round	Color	Result	Opponent
1	White	Loss	Maruta Hiroki	2182.71
2	White	Loss	Inoue Fumiya	2420.50
3	White	Win	Iwano Fumio	2202.51
4	White	Win	Maruta Koji	2135.59
56 Meijinsen Qualification Kanto area 1st round
Date	2018-05-13		Rating	2328.08
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2578.31
2	White	Loss	Sato Kiyotomi	2438.70
3	Black	Win	Iwano Fumio	2252.82
4	Black	Loss	Ono Takayuki	2382.70
55 Meijinsen Qualification Kanto area 1st round
Date	2017-05-21		Rating	2327.16
Round	Color	Result	Opponent
1	Black	Draw	Chigira Makoto	2056.13
2	White	Win	Iwano Fumio	2265.78
3	White	Loss	Ono Takayuki	2372.03
4	White	Loss	Sato Kiyotomi	2470.48
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2351.21
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2566.30
2	White	Loss	Okabe Hiroshi	2721.88
3	White	Loss	Kamiya Shunsuke	2724.67
4	White	Draw	Koyama Jun	2627.00
5	White	Win	Kusajima Masato	2266.52
54 Meijinsen Qualification Kanto area 1st round
Date	2016-05-22		Rating	2352.04
Round	Color	Result	Opponent
1	White	Win	Chigira Makoto	2039.38
2	White	Win	Kamiya Shunsuke	2722.84
3	White	Loss	Sato Kiyotomi	2518.20
4	White	Win	Maruta Koji	2181.58
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2323.66
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2612.68
2	White	Loss	Nakamura Souta	2290.08
3	Black	Win	Chigira Makoto	2001.30
4	Black	Win	Fujikawa Masaki	2099.10
10th All Japan Championship
Date	2015-03-29		Rating	2322.18
Round	Color	Result	Opponent
1	White	Win	Fujita Yudai	2362.87
2	White	Loss	Tamada Yoichi	2581.02
3	White	Win	Kubo Izumi	2081.95
4	White	Loss	Koyama Jun	2603.38
5	White	Loss	Tanizaki Ryusuke	2199.47
6	White	Loss	Miyagawa Junzo	2240.91
1st Senior Masters Championship
Date	2014-08-29		Rating	2335.27
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2216.79
2	Black	Loss	Ishitani Shin-ichi	2449.50
3	Black	Win	Miura Hitoshi	1803.46
4	White	Win	Kubo Izumi	2086.85
5	White	Loss	Isobe Taizan	2429.33
6	White	Win	Kobayashi Koichi	2250.11
7	White	Win	Kato Yasuhiro	2086.84
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2336.35
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2554.14
2	White	Loss	Kawamura Norihiko	2643.90
3	White	Win	Iwano Fumio	2259.92
4	White	Win	Kudomi Takahiro	2319.68
Team World Championship 2014
Date	2014-05-03		Rating	2334.82
Round	Color	Result	Opponent
5	White	Loss	Artemyev Sergey	2591.13
6	White	Loss	Oosumi Yuuki	2823.71
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2330.41
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2387.24
2	Black	Win	Tomobe Katsuhiro	2151.34
3	White	Win	Kato Yasuhiro	2134.63
4	White	Loss	Sato Kiyotomi	2465.77
5	White	Loss	Kamiya Shunsuke	2547.61
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2331.61
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2143.18
2	White	Win	Kobayashi Koichi	2214.07
3	White	Loss	Kamiya Shunsuke	2541.40
4	White	Win	Ono Takayuki	2384.25
29th Kanto Championship
Date	2013-05-12		Rating	2333.07
Round	Color	Result	Opponent
1	White	Draw	Tada Ayako	2287.26
2	White	Draw	Isobe Taizan	2393.84
3	Black	Loss	Nakamura Shigeru	2863.65
4	White	Win	Tomobe Katsuhiro	2157.75
5	White	Loss	Kato Yasuhiro	2146.43
8th All Japan Championship
Date	2013-03-24		Rating	2337.84
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2866.10
2	White	Win	Kubo Izumi	2089.02
3	White	Win	Kato Yasuhiro	2142.20
4	White	Loss	Isobe Taizan	2402.37
5	White	Win	Kudomi Takahiro	2417.50
6	White	Loss	Kamiya Shunsuke	2526.62
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2341.57
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2717.79
S2	White	Loss	Fukui Nobuhiro	2564.38
S3	White	Win	Kobayashi Koichi	2212.10
S4	White	Win	Ishitani Shin-ichi	2365.75
S5	Black	Loss	Kudomi Takahiro	2419.59
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2345.47
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2109.21
2	White	Loss	Maruta Koji	2146.09
3	White	Loss	Ono Takayuki	2424.55
4	White	Win	Maruta Hiroki	2118.56
50 Meijinsen Qualification East-Japan area 1st round
Date	2012-06-03		Rating	2362.83
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2128.03
2	White	Win	Sato Kiyotomi	2395.70
3	Black	Loss	Nakamura Shigeru	2883.35
4	White	Loss	Kudomi Takahiro	2426.16
29th Kanto Championship
Date	2012-05-13		Rating	2364.74
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2073.11
2	White	Loss	Kudomi Takahiro	2426.15
3	White	Win	Nakayama Tomoharu	2616.26
4	White	Loss	Nakamura Shigeru	2883.27
5	White	Win	Iwano Fumio	2129.95
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2365.50
Round	Color	Result	Opponent
S2	White	Loss	Oosumi Yuuki	2791.68
S3	White	Win	Tadokoro Hosai	1858.04
S4	White	Loss	Nakamura Shigeru	2877.37
S5	Black	Loss	Ishitani Shin-ichi	2371.58
7th All Japan Championship
Date	2012-01-29		Rating	2368.66
Round	Color	Result	Opponent
1	Black	Win	Suzuki Rin	1992.55
2	White	Loss	Iio Yoshihiro	2482.21
3	White	Win	Kobayashi Koichi	2208.43
4	White	Win	Ishitani Shin-ichi	2377.82
5	White	Loss	Oosumi Yuuki	2789.02
6	White	Win	Tamada Yoichi	2485.76
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2367.94
Round	Color	Result	Opponent
1	White	Win	Nakayama Tomoharu	2599.24
2	White	Loss	Okabe Hiroshi	2698.31
3	White	Loss	Nakamura Shigeru	2873.99
4	White	Loss	Oosumi Yuuki	2787.59
5	White	Loss	Kamiya Shunsuke	2455.17
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2362.23
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2187.45
2	White	Loss	Kamiya Shunsuke	2440.33
3	White	Win	Ono Takayuki	2405.25
4	White	Win	Kudomi Takahiro	2419.47
49 Meijinsen Qualification East-Japan area 1st round
Date	2011-06-12		Rating	2338.09
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2421.38
2	White	Loss	Ono Takayuki	2394.83
3	White	Loss	Kudomi Takahiro	2411.64
4	White	Win	Maruta Hiroki	2106.98
28th Kanto Championship
Date	2011-05-22		Rating	2336.59
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2099.53
2	Black	Win	Maruta Hiroki	2108.99
3	White	Loss	Tomobe Katsuhiro	2226.38
4	White	Win	Ono Takayuki	2394.17
5	White	Win	Nakayama Tomoharu	2544.97
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2327.15
Round	Color	Result	Opponent
S1	White	Win	Gakumazawa Hideaki	2113.25
S2	White	Loss	Oosumi Yuuki	2735.59
S3	White	Loss	Ono Takayuki	2391.94
S5	Black	Loss	Nakamura Shigeru	2855.95
11 Kanto Renju Emperor Tournament 2nd round
Date	2010-11-21		Rating	2323.69
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2411.55
2	Black	Loss	Nakamura Shigeru	2858.12
3	White	Loss	Nakayama Tomoharu	2522.87
4	White	Loss	Okabe Hiroshi	2695.20
5	White	Win	Fukui Nobuhiro	2349.29
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2323.19
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2120.38
2	White	Win	Nagao Noriaki	2391.94
3	White	Loss	Okabe Hiroshi	2694.92
4	White	Win	Ono Takayuki	2386.19
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2301.72
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2084.43
2	White	Win	Fukui Nobuhiro	2319.20
3	White	Draw	Isobe Taizan	2395.79
4	White	Loss	Ono Takayuki	2390.40
27th Kanto Championship
Date	2010-05-23		Rating	2293.80
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2207.06
2	Black	Win	Maruta Hiroki	2080.44
3	White	Loss	Ono Takayuki	2390.04
4	White	Loss	Nagao Noriaki	2376.41
5	Black	Loss	Fukui Nobuhiro	2314.39
5th All Japan Championship
Date	2010-03-21		Rating	2290.83
Round	Color	Result	Opponent
1	White	Loss	Shimoyama Takuma	2263.98
2	White	Draw	Kawasaki Nobuhiko	2178.84
3	White	Loss	Kobayashi Koichi	2130.74
4	White	Loss	Tada Ayako	2176.03
5	White	Win	Matsuoka Teruo	1974.06
6	Black	Win	Kuramoto Hideharu	1899.74
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2298.51
Round	Color	Result	Opponent
S1	White	Loss	Ono Takayuki	2383.45
S2	White	Loss	Sato Kiyotomi	2418.03
S3	White	Win	Nagao Noriaki	2358.69
S4	White	Win	Kataoka Mitsuaki	2260.10
S5	White	Loss	Yamaguchi Yusui	2584.26
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2315.12
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2093.37
2	White	Loss	Hara Masao	2017.64
3	Black	Win	Iwano Fumio	2147.41
4	White	Loss	Tada Ayako	2141.28
47th Meijinsen Qualification East-Japan area final round
Date	2009-07-05		Rating	2338.79
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2572.90
2	White	Win	Ono Takayuki	2402.21
3	White	Win	Kudomi Takahiro	2364.95
4	White	Draw	Arita Nobuyoshi	2367.53
5	White	Draw	Tamura Kazumasa	2510.27
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2341.47
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2404.80
2	Black	Loss	Sato Kiyotomi	2441.00
3	White	Win	Kudomi Takahiro	2365.24
4	White	Loss	Tamura Kazumasa	2512.98
26th Kanto Championship
Date	2009-05-17		Rating	2343.52
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2063.92
2	White	Loss	Oosumi Yuuki	2615.76
3	Black	Loss	Ono Takayuki	2408.08
4	Black	Win	Arita Nobuyoshi	2369.79
5	White	Win	Iwano Fumio	2170.70
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2343.93
Round	Color	Result	Opponent
1	Black	Win	Yu Manjiang	2503.88
2	Black	Loss	Zhu Jianfeng	2559.33
3	White	Loss	Zhou Keding	2503.20
4	White	Loss	Isobe Taizan	2405.08
5	White	Loss	Oosumi Yuuki	2614.01
6	Black	Loss	Iio Yoshihiro	2489.41
7	White	Win	Xu Bin	2195.42
4th All Japan Championship
Date	2009-03-21		Rating	2347.03
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1951.33
2	White	Win	Sato Kiyotomi	2448.18
3	White	Win	Ishitani Shin-ichi	2389.45
4	White	Loss	Nakamura Shigeru	2856.84
5	White	Draw	Okabe Hiroshi	2668.98
6	White	Win	Yamaguchi Yusui	2563.64
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2335.07
Round	Color	Result	Opponent
S1	White	Loss	Oosumi Yuuki	2590.24
S2	Black	Loss	Ishitani Shin-ichi	2395.91
S4	Black	Loss	Arita Nobuyoshi	2379.72
S5	White	Draw	Isobe Taizan	2398.09
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2327.71
Round	Color	Result	Opponent
1	White	Win	Kuramoto Hideharu	1906.23
2	White	Win	Kato Yasuhiro	1999.19
3	White	Loss	Kudomi Takahiro	2353.09
4	White	Win	Ono Takayuki	2408.55
46th Meijinsen Qualification East-Japan area 1st round
Date	2008-06-15		Rating	2310.67
Round	Color	Result	Opponent
1	Black	Loss	Tanno Yoshitaka	2120.83
2	White	Win	Tamada Yoichi	2230.13
3	White	Draw	Arita Nobuyoshi	2392.33
4	White	Win	Kubo Izumi	2101.48
ex	White	Loss	Sato Kiyotomi	2427.55
25th Kanto Championship
Date	2008-05-18		Rating	2308.19
Round	Color	Result	Opponent
1	White	Win	Tanizaki Ryusuke	2119.63
2	Black	Win	Ono Takayuki	2394.57
3	Black	Loss	Arita Nobuyoshi	2392.50
4	Black	Win	Kato Yasuhiro	1993.05
5	Black	Loss	Nakamura Shigeru	2857.72
3rd All Japan Championship
Date	2008-03-23		Rating	2299.54
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2854.91
2	White	Loss	Maruta Hiroki	2029.77
3	White	Draw	Fujikawa Masaki	2105.38
4	White	Win	Nakayama Tomoharu	2229.96
5	Black	Win	Tanizaki Ryusuke	2120.38
6	White	Win	Tamada Yoichi	2206.06
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2277.20
Round	Color	Result	Opponent
1	Black	Draw	Watanabe Tatsuya	2138.60
2	White	Win	Kurimoto Masayuki	1658.77
3	White	Win	Watanabe Yoko	2057.62
4	White	Loss	Ono Takayuki	2377.55
5	White	Loss	Nagao Noriaki	2248.90
45th Meijinsen Qualification East-Japan area 1st round
Date	2007-06-17		Rating	2270.71
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2395.59
2	White	Win	Hara Masao	2052.66
3	White	Loss	Arita Nobuyoshi	2366.01
4	White	Win	Kubo Izumi	2094.73
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2269.51
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2344.95
2	White	Win	Nagao Noriaki	2230.24
3	Black	Win	Tanizaki Ryusuke	2140.95
4	Black	Loss	Kudomi Takahiro	2333.87
5	Black	Win	Isobe Taizan	2429.95
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2269.19
Round	Color	Result	Opponent
1	White	Loss	Wu Hao	2615.37
2	White	Loss	Yu Manjiang	2578.10
3	White	Win	Zhang Yifeng	2380.79
SF1	White	Loss	Okabe Hiroshi	2617.30
SF2	White	Loss	Ge Chongyu	2390.63
SF3	White	Draw	Isobe Taizan	2429.94
SF4	White	Loss	Zhu Jianfeng	2515.54
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2265.29
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2423.85
2	White	Win	Maruta Hiroki	2023.51
3	White	Loss	Oosumi Yuuki	2506.63
4	White	Win	Fujikawa Masaki	2100.73
5	White	Win	Miyoshi Takeo	2283.69
6	White	Loss	Ishitani Shin-ichi	2380.35
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2245.99
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2008.59
2	White	Win	Matsuoka Teruo	1855.50
3	Black	Win	Tomobe Katsuhiro	2071.33
4	White	Win	Kato Yasuhiro	2008.25
5	White	Loss	Nagao Noriaki	2244.44
Asian Championship 2006
Date	2006-08-15		Rating	2243.65
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2099.08
2	White	Loss	Park Jeong Ho	2387.00
3	White	Loss	Choi Yun Suk	2267.51
4	Black	Loss	Ishitani Shin-ichi	2361.81
5	Black	Loss	Kim Su Chan	2129.66
6	White	Win	Cha Jee-Young	1702.92
7	White	Win	Kang Bo-Ra	1747.72
8	White	Draw	Chang Jae-Won	2017.89
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2252.05
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2035.33
2	Black	Loss	Koyama Jun	2337.41
3	White	Loss	Tamura Kazumasa	2363.49
4	White	Draw	Ono Takayuki	2299.99
23rd Kanto Championship
Date	2006-05-21		Rating	2257.45
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2041.51
2	White	Win	Maruta Koji	2115.83
3	White	Draw	Okabe Hiroshi	2595.23
4	Black	Loss	Yamaguchi Yusui	2636.57
5	Black	Win	Kudomi Takahiro	2281.51
1st All Japan Championship
Date	2006-03-26		Rating	2259.93
Round	Color	Result	Opponent
1	Black	Win	Hara Masao	2071.53
2	Black	Loss	Yamaguchi Yusui	2634.85
3	Black	Win	Kato Yasuhiro	2053.59
4	White	Win	Matsuura Hiroshi	2311.72
5	White	Loss	Oosumi Yuuki	2419.87
6	Black	Loss	Isobe Taizan	2424.22
The 4th Shanghai Renju Meijin Invitation Tournament
Date	2006-03-20		Rating	2259.94
Round	Color	Result	Opponent
1	White	Loss	Ge Lingfeng	2390.04
2	White	Loss	Wu Hao	2599.26
3	White	Loss	Zhu Jianfeng	2497.75
4	White	Loss	Isobe Taizan	2425.21
5	White	Loss	Li Hongbin	2459.97
6	White	Win	Xue Wenxi	2378.86
7	White	Loss	Takashima Junya	2508.96
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2271.54
Round	Color	Result	Opponent
1	Black	Win	Watanabe Tatsuya	2127.65
2	Black	Win	Hara Masao	2055.95
3	White	Draw	Itami Yoshiyuki	2181.09
4	White	Loss	Sato Kiyotomi	2393.59
World Championship 2005, BT
Date	2005-08-05		Rating	2277.01
Round	Color	Result	Opponent
1	Black	Win	Poghosyan Albert	2375.68
2	White	Loss	Kozhin Mikhail	2550.29
3	Black	Loss	Cheng Wei-Yuan	2371.54
4	White	Win	Kaljuste Ergo	1936.51
6	Black	Loss	Lents Johann	2533.94
7	Black	Win	Lillemets Rauni	2143.33
8	White	Win	Jonsson Peter	2369.02
9	Black	Win	Sandstrom Richard	2268.33
43rd Meijinsen Qualification: East Japan Final
Date	2005-07-11		Rating	2274.68
Round	Color	Result	Opponent
	White	Loss	Sato Kiyotomi	2393.67
	White	Loss	Okabe Hiroshi	2581.97
	White	Win	Itami Yoshiyuki	2188.45
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2272.30
Round	Color	Result	Opponent
1	Black	Win	Arita Nobuyoshi	2323.83
2	White	Win	Sato Kiyotomi	2393.58
3	Black	Draw	Kudomi Takahiro	2298.43
4	White	Win	Okabe Hiroshi	2582.33
22nd Kanto Championship
Date	2005-05-22		Rating	2265.60
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2275.32
2	White	Win	Ono Takayuki	2292.16
3	White	Loss	Nagao Noriaki	2230.50
4	Black	Win	Watanabe Tatsuya	2104.35
5	Black	Win	Kamemoto Daichi	2131.12
The 3rd Shanghai Renju Meijin Invitation Tournament
Date	2005-05-04		Rating	2259.65
Round	Color	Result	Opponent
1	Black	Loss	Ge Lingfeng	2362.83
2	White	Draw	Wu Jie	2234.71
3	Black	Loss	Xue Wenxi	2393.70
4	White	Win	Tao Junfeng	1873.25
5	Black	Loss	Chen Lin	2463.02
6	White	Loss	Gu Gongbo	2116.47
7	White	Loss	Yin Licheng	2405.22
Japan WC Qualification tournament
Date	2005-04-03		Rating	2255.77
Round	Color	Result	Opponent
1	Black	Loss	Matsuura Hiroshi	2388.19
2	Black	Win	Maruta Hiroki	1951.04
3	Black	Loss	Miyoshi Takeo	2272.10
4	White	Draw	Tamura Kazumasa	2343.81
5	White	Win	Arita Nobuyoshi	2301.02
6	White	Loss	Ishitani Shin-ichi	2386.10
5th Kanto Renju Emperor Tournament - 2nd round
Date	2004-12-19		Rating	2245.85
Round	Color	Result	Opponent
	Black	Loss	Kudomi Takahiro	2327.81
	Black	Loss	Ono Takayuki	2292.88
	Black	Loss	Sato Kiyotomi	2367.56
	Black	Loss	Okabe Hiroshi	2575.81
	Black	Loss	Yamaguchi Yusui	2567.30
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2247.17
Round	Color	Result	Opponent
1	Black	Win	Koyama Jun	2237.05
2	Black	Loss	Ono Takayuki	2290.86
3	Black	Win	Tadokoro Hosai	1927.00
4	White	Win	Sato Takuma	2175.32
42nd Meijinsen Qualification: East Japan 1st round
Date	2004-06-13		Rating	2246.83
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2211.46
2	Black	Loss	Ono Takayuki	2255.18
4	White	Win	Sunagawa Shouki	2132.36
The 2nd Shanghai Renju Meijin Invitation Tournament
Date	2004-05-04		Rating	2249.85
Round	Color	Result	Opponent
	White	Loss	Yamaguchi Yusui	2589.46
	White	Loss	Chen Lin	2434.77
	White	Loss	Li Hongbin	2434.94
	White	Loss	Isobe Taizan	2431.81
	White	Win	Ge Lingfeng	2323.40
	White	Loss	Xue Wenxi	2378.23
	Black	Win	Xu Bin	2138.79
7th Mikami Cup - Special Class
Date	2004-01-25		Rating	2260.40
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2555.41
2	Black	Loss	Ishitani Shin-ichi	2386.14
3	Black	Draw	Miyagawa Junzo	2259.68
4th Kanto Renju Emperor Tournament - 2nd round
Date	2003-11-30		Rating	2266.19
Round	Color	Result	Opponent
	White	Draw	Nagao Noriaki	2280.91
	Black	Loss	Maruta Koji	2228.75
	Black	Loss	Isobe Taizan	2423.09
	Black	Loss	Yamaguchi Yusui	2593.74
	Black	Loss	Okabe Hiroshi	2557.97
Asian Cup 2003
Date	2003-10-10		Rating	2277.76
Round	Color	Result	Opponent
1	White	Win	Lin Sheng-Min	2115.39
2	White	Win	Zhang Jinyu	2483.82
3	White	Loss	Lents Johann	2472.77
4	White	Loss	Wu Hao	2499.03
5	White	Loss	Wang Chih-Kung	2193.50
6	White	Win	Shi Xiaolin	2098.14
7	Black	Win	Liu Tong	2219.21
8	White	Loss	Chang Chao-Yung	2204.30
9	White	Win	Hua Tao	2115.74
World Championship 2003, BT
Date	2003-08-08		Rating	2289.80
Round	Color	Result	Opponent
1	White	Draw	Rybka Aleš	2206.47
2	White	Win	Chen Ko-Han	2423.54
3	White	Win	Tamura Kazumasa	2300.30
4	White	Win	Chen Wei	2513.03
5	White	Loss	Lents Johann	2462.52
6	White	Loss	Ilu Timo	2449.53
7	White	Loss	Ishitani Shin-ichi	2382.98
8	White	Loss	Chernov Sergey	2341.56
9	White	Win	Ono Takayuki	2199.64
World Championship 2003, QT
Date	2003-07-31		Rating	2290.54
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2494.07
2	White	Win	Tarannikov Yuriy	2585.48
3	White	Draw	Dzainukov Eldar	2197.72
4	White	Win	Karasyov Maxim	2488.50
5	White	Loss	Sushkov Vladimir	2689.05
6	White	Loss	Gardström Petter	2415.64
7	White	Loss	Ilu Timo	2447.94
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2292.33
Round	Color	Result	Opponent
1	Black	Draw	Tadokoro Hosai	1985.31
2	Black	Loss	Maruta Koji	2219.75
3	Black	Win	Ohno Syunzo	2019.80
4	Black	Win	Sato Takuma	2119.20
Japan WC Qualification 2003
Date	2003-03-22		Rating	2299.42
Round	Color	Result	Opponent
1	Black	Win	Kuramoto Hideharu	1718.21
2	Black	Win	Sakurai Yasuo	2079.11
3	White	Loss	Nara Hideki	2588.88
4	Black	Loss	Isobe Taizan	2440.28
5	Black	Win	Miyagawa Sou	2081.11
1st Shanghai Meijin
Date	2003-03-20		Rating	2299.60
Round	Color	Result	Opponent
	White	Win	Ye Sen	2069.17
	White	Loss	Yu Zhenlin	1934.04
	Black	Draw	Li Hongbin	2379.82
	Black	Win	Sakurai Yasuo	2079.04
	Black	Win	Cui Yue	2268.84
	Black	Win	Gu Wei	2351.04
	Black	Loss	Tian Yifang	2248.31
	Black	Win	Ono Takayuki	2179.83
	Black	Win	Hou Jun	2062.20
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2304.95
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2209.22
2	Black	Loss	Arita Nobuyoshi	2155.75
3	Black	Win	Sato Takuma	2069.28
4	Black	Win	Suzuki Naoya	2265.96
Japan WC Qualification tournament
Date	2001-03-24		Rating	2297.87
Round	Color	Result	Opponent
1	Black	Draw	Okabe Hiroshi	2334.08
2	Black	Win	Sakurai Yasuo	2068.16
3	White	Loss	Nara Hideki	2556.53
4	Black	Win	Miyoshi Takeo	2190.92
5	White	Loss	Hasegawa Kazuto	2562.45
6	Black	Win	Miyagawa Sou	1968.77
7	White	Loss	Ishitani Shin-ichi	2416.25
38th Meijinsen Qualification: East Japan 2nd round
Date	2000-07-02		Rating	2292.23
Round	Color	Result	Opponent
	White	Draw	Isobe Taizan	2455.11
	White	Loss	Kusajima Masato	2357.41
	White	Loss	Kudomi Takahiro	2355.38
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2293.50
Round	Color	Result	Opponent
1	Black	Loss	Kubo Izumi	2173.48
2	Black	Loss	Maruta Koji	2209.75
3	Black	Win	Adachi Yasuhiro	1994.75
4	White	Win	Kusajima Masato	2354.68
Kanto Championship
Date	2000-05-14		Rating	2295.72
Round	Color	Result	Opponent
1	Black	Win	Tadokoro Hosai	1972.75
2	White	Win	Okabe Hiroshi	2276.77
3	White	Loss	Kusajima Masato	2353.75
4	White	Loss	Nakamura Shigeru	2761.48
World Championship 1999, BT
Date	1999-08-05		Rating	2321.70
Round	Color	Result	Opponent
1	Black	Loss	Jonsson Peter	2260.99
2	White	Win	Gaulitz Joachim	2378.31
3	White	Win	Chen Chen-Kuo	2127.19
4	White	Loss	Nara Hideki	2553.06
5	White	Win	Poghosyan Albert	2328.31
6	White	Win	Khramov Andrey	2215.39
7	White	Loss	Filippov Sergey	2370.31
8	White	Draw	Volkov Sergey	2272.46
9	White	Win	Andersson Tord	2253.28
“Compaq Cup” International Invitational Tournament
Date	1997-05-10		Rating	2324.61
Round	Color	Result	Opponent
1	White	Win	Li Dong	2106.49
2	White	Win	Ishitani Shin-ichi	2319.15
3	Black	Loss	Nara Hideki	2535.00
4	White	Win	Su Liang	1976.43
5	Black	Draw	Karlsson Stefan	2427.73
6	White	Loss	Isobe Taizan	2426.41
7	White	Loss	Zhang Jinyu	2274.81
8	White	Loss	Deng Jinghui	2119.81
9	White	Win	Yu Jingping	2032.49
World Championship 1995, BT
Date	1995-08-07		Rating	2383.19
Round	Color	Result	Opponent
	White	Loss	Sinyov Igor	2501.98
	Black	Win	Matyuk Valeri	2209.30
	White	Win	Fedorkin Oleg	2348.97
	White	Win	Hayakawa Yoshimi	2554.57
	White	Loss	Gurckis Gatis	2294.58
	White	Win	Na Wei	1922.99
	Black	Win	Tuvikene Margus	2351.86
World Championship 1993, BT
Date	1993-08-12		Rating	2368.08
Round	Color	Result	Opponent
	White	Loss	Tuvikene Margus	2348.48
	White	Win	Matyuk Valeri	2175.06
	Black	Win	Henningsson Anders	2227.06
	White	Loss	Palmgren Jan	2251.40
	White	Win	Maltell Tommy	1984.84
	Black	Win	Golosov Viktor	2151.31
World Championship 1991, BT
Date	1991-08-10		Rating	2378.27
Round	Color	Result	Opponent
3	White	Win	Krasnonosov Dmitry	2227.01
6	Black	Win	Zabrodin Evgeny	2200.67
The 1st Meijin-sen Match
Date	1962-10-12		Rating	1869.84
Round	Color	Result	Opponent
1	White	Loss	Yamakita Toshinori	1954.65
2	Black	Loss	Yamakita Toshinori	1954.65
3	Black	Draw	Yamakita Toshinori	1954.65
4	White	Draw	Yamakita Toshinori	1954.65