Mitsumori Masao (三森政男)

Place: Hasuta, Japan

Birth: 1936-08-26

Rating: 2319.22, Std: 241.94, Rank: -

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

Top rating: 2385.68 (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	2319.22
Round	Color	Result	Opponent
1	White	Loss	Maruta Hiroki	2193.01
2	White	Loss	Inoue Fumiya	2430.22
3	White	Win	Iwano Fumio	2214.95
4	White	Win	Maruta Koji	2146.91
56 Meijinsen Qualification Kanto area 1st round
Date	2018-05-13		Rating	2335.18
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2586.20
2	White	Loss	Sato Kiyotomi	2445.21
3	Black	Win	Iwano Fumio	2262.08
4	Black	Loss	Ono Takayuki	2390.63
55 Meijinsen Qualification Kanto area 1st round
Date	2017-05-21		Rating	2333.46
Round	Color	Result	Opponent
1	Black	Draw	Chigira Makoto	2061.83
2	White	Win	Iwano Fumio	2273.15
3	White	Loss	Ono Takayuki	2378.51
4	White	Loss	Sato Kiyotomi	2476.47
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2356.72
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2571.80
2	White	Loss	Okabe Hiroshi	2727.19
3	White	Loss	Kamiya Shunsuke	2730.02
4	White	Draw	Koyama Jun	2632.43
5	White	Win	Kusajima Masato	2269.99
54 Meijinsen Qualification Kanto area 1st round
Date	2016-05-22		Rating	2357.50
Round	Color	Result	Opponent
1	White	Win	Chigira Makoto	2044.69
2	White	Win	Kamiya Shunsuke	2728.14
3	White	Loss	Sato Kiyotomi	2523.67
4	White	Win	Maruta Koji	2187.72
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2328.35
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2617.23
2	White	Loss	Nakamura Souta	2294.84
3	Black	Win	Chigira Makoto	2006.14
4	Black	Win	Fujikawa Masaki	2104.33
10th All Japan Championship
Date	2015-03-29		Rating	2326.77
Round	Color	Result	Opponent
1	White	Win	Fujita Yudai	2367.71
2	White	Loss	Tamada Yoichi	2585.57
3	White	Win	Kubo Izumi	2086.88
4	White	Loss	Koyama Jun	2607.88
5	White	Loss	Tanizaki Ryusuke	2204.66
6	White	Loss	Miyagawa Junzo	2245.05
1st Senior Masters Championship
Date	2014-08-29		Rating	2339.40
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2220.71
2	Black	Loss	Ishitani Shin-ichi	2453.28
3	Black	Win	Miura Hitoshi	1803.50
4	White	Win	Kubo Izumi	2091.22
5	White	Loss	Isobe Taizan	2432.53
6	White	Win	Kobayashi Koichi	2252.58
7	White	Win	Kato Yasuhiro	2091.27
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2340.34
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2558.21
2	White	Loss	Kawamura Norihiko	2647.33
3	White	Win	Iwano Fumio	2263.81
4	White	Win	Kudomi Takahiro	2323.51
Team World Championship 2014
Date	2014-05-03		Rating	2338.75
Round	Color	Result	Opponent
5	White	Loss	Artemyev Sergey	2594.06
6	White	Loss	Oosumi Yuuki	2827.44
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2333.90
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2390.50
2	Black	Win	Tomobe Katsuhiro	2155.03
3	White	Win	Kato Yasuhiro	2138.24
4	White	Loss	Sato Kiyotomi	2469.18
5	White	Loss	Kamiya Shunsuke	2550.96
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2335.06
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2146.73
2	White	Win	Kobayashi Koichi	2216.92
3	White	Loss	Kamiya Shunsuke	2544.72
4	White	Win	Ono Takayuki	2387.40
29th Kanto Championship
Date	2013-05-12		Rating	2336.47
Round	Color	Result	Opponent
1	White	Draw	Tada Ayako	2290.55
2	White	Draw	Isobe Taizan	2396.88
3	Black	Loss	Nakamura Shigeru	2866.86
4	White	Win	Tomobe Katsuhiro	2161.31
5	White	Loss	Kato Yasuhiro	2149.93
8th All Japan Championship
Date	2013-03-24		Rating	2341.18
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2869.28
2	White	Win	Kubo Izumi	2092.57
3	White	Win	Kato Yasuhiro	2145.62
4	White	Loss	Isobe Taizan	2405.39
5	White	Win	Kudomi Takahiro	2420.66
6	White	Loss	Kamiya Shunsuke	2529.85
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2344.83
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2720.88
S2	White	Loss	Fukui Nobuhiro	2567.88
S3	White	Win	Kobayashi Koichi	2214.90
S4	White	Win	Ishitani Shin-ichi	2368.88
S5	Black	Loss	Kudomi Takahiro	2422.70
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2348.62
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2112.41
2	White	Loss	Maruta Koji	2149.37
3	White	Loss	Ono Takayuki	2427.52
4	White	Win	Maruta Hiroki	2121.74
50 Meijinsen Qualification East-Japan area 1st round
Date	2012-06-03		Rating	2365.81
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2131.12
2	White	Win	Sato Kiyotomi	2398.77
3	Black	Loss	Nakamura Shigeru	2886.29
4	White	Loss	Kudomi Takahiro	2429.03
29th Kanto Championship
Date	2012-05-13		Rating	2367.70
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2076.08
2	White	Loss	Kudomi Takahiro	2428.99
3	White	Win	Nakayama Tomoharu	2619.27
4	White	Loss	Nakamura Shigeru	2886.18
5	White	Win	Iwano Fumio	2132.90
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2368.39
Round	Color	Result	Opponent
S2	White	Loss	Oosumi Yuuki	2794.54
S3	White	Win	Tadokoro Hosai	1860.13
S4	White	Loss	Nakamura Shigeru	2880.23
S5	Black	Loss	Ishitani Shin-ichi	2374.43
7th All Japan Championship
Date	2012-01-29		Rating	2371.50
Round	Color	Result	Opponent
1	Black	Win	Suzuki Rin	1995.25
2	White	Loss	Iio Yoshihiro	2485.12
3	White	Win	Kobayashi Koichi	2210.99
4	White	Win	Ishitani Shin-ichi	2380.64
5	White	Loss	Oosumi Yuuki	2791.84
6	White	Win	Tamada Yoichi	2488.69
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2370.77
Round	Color	Result	Opponent
1	White	Win	Nakayama Tomoharu	2602.15
2	White	Loss	Okabe Hiroshi	2701.16
3	White	Loss	Nakamura Shigeru	2876.80
4	White	Loss	Oosumi Yuuki	2790.39
5	White	Loss	Kamiya Shunsuke	2457.97
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2364.97
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2189.94
2	White	Loss	Kamiya Shunsuke	2443.05
3	White	Win	Ono Takayuki	2407.90
4	White	Win	Kudomi Takahiro	2422.15
49 Meijinsen Qualification East-Japan area 1st round
Date	2011-06-12		Rating	2340.69
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2424.02
2	White	Loss	Ono Takayuki	2397.35
3	White	Loss	Kudomi Takahiro	2414.20
4	White	Win	Maruta Hiroki	2109.60
28th Kanto Championship
Date	2011-05-22		Rating	2339.16
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2102.14
2	Black	Win	Maruta Hiroki	2111.59
3	White	Loss	Tomobe Katsuhiro	2229.00
4	White	Win	Ono Takayuki	2396.67
5	White	Win	Nakayama Tomoharu	2547.66
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2329.60
Round	Color	Result	Opponent
S1	White	Win	Gakumazawa Hideaki	2114.62
S2	White	Loss	Oosumi Yuuki	2737.98
S3	White	Loss	Ono Takayuki	2394.31
S5	Black	Loss	Nakamura Shigeru	2858.44
11 Kanto Renju Emperor Tournament 2nd round
Date	2010-11-21		Rating	2326.09
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2413.91
2	Black	Loss	Nakamura Shigeru	2860.54
3	White	Loss	Nakayama Tomoharu	2525.39
4	White	Loss	Okabe Hiroshi	2697.59
5	White	Win	Fukui Nobuhiro	2351.78
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2325.57
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2122.77
2	White	Win	Nagao Noriaki	2394.33
3	White	Loss	Okabe Hiroshi	2697.28
4	White	Win	Ono Takayuki	2388.47
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2303.98
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2086.62
2	White	Win	Fukui Nobuhiro	2321.56
3	White	Draw	Isobe Taizan	2398.00
4	White	Loss	Ono Takayuki	2392.55
27th Kanto Championship
Date	2010-05-23		Rating	2296.02
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2209.28
2	Black	Win	Maruta Hiroki	2082.67
3	White	Loss	Ono Takayuki	2392.14
4	White	Loss	Nagao Noriaki	2378.63
5	Black	Loss	Fukui Nobuhiro	2316.72
5th All Japan Championship
Date	2010-03-21		Rating	2293.00
Round	Color	Result	Opponent
1	White	Loss	Shimoyama Takuma	2266.04
2	White	Draw	Kawasaki Nobuhiko	2180.84
3	White	Loss	Kobayashi Koichi	2132.78
4	White	Loss	Tada Ayako	2178.18
5	White	Win	Matsuoka Teruo	1976.15
6	Black	Win	Kuramoto Hideharu	1901.83
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2300.64
Round	Color	Result	Opponent
S1	White	Loss	Ono Takayuki	2385.43
S2	White	Loss	Sato Kiyotomi	2420.37
S3	White	Win	Nagao Noriaki	2360.80
S4	White	Win	Kataoka Mitsuaki	2263.45
S5	White	Loss	Yamaguchi Yusui	2586.27
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2317.13
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2095.38
2	White	Loss	Hara Masao	2019.36
3	Black	Win	Iwano Fumio	2149.46
4	White	Loss	Tada Ayako	2143.31
47th Meijinsen Qualification East-Japan area final round
Date	2009-07-05		Rating	2340.71
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2574.85
2	White	Win	Ono Takayuki	2403.97
3	White	Win	Kudomi Takahiro	2366.88
4	White	Draw	Arita Nobuyoshi	2369.22
5	White	Draw	Tamura Kazumasa	2511.63
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2343.38
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2406.56
2	Black	Loss	Sato Kiyotomi	2443.04
3	White	Win	Kudomi Takahiro	2367.15
4	White	Loss	Tamura Kazumasa	2514.33
26th Kanto Championship
Date	2009-05-17		Rating	2345.40
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2065.80
2	White	Loss	Oosumi Yuuki	2617.18
3	Black	Loss	Ono Takayuki	2409.83
4	Black	Win	Arita Nobuyoshi	2371.48
5	White	Win	Iwano Fumio	2172.63
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2345.80
Round	Color	Result	Opponent
1	Black	Win	Yu Manjiang	2505.62
2	Black	Loss	Zhu Jianfeng	2561.51
3	White	Loss	Zhou Keding	2505.39
4	White	Loss	Isobe Taizan	2406.95
5	White	Loss	Oosumi Yuuki	2615.43
6	Black	Loss	Iio Yoshihiro	2491.02
7	White	Win	Xu Bin	2197.33
4th All Japan Championship
Date	2009-03-21		Rating	2348.87
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1953.20
2	White	Win	Sato Kiyotomi	2450.14
3	White	Win	Ishitani Shin-ichi	2391.06
4	White	Loss	Nakamura Shigeru	2858.79
5	White	Draw	Okabe Hiroshi	2670.73
6	White	Win	Yamaguchi Yusui	2565.59
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2336.87
Round	Color	Result	Opponent
S1	White	Loss	Oosumi Yuuki	2591.61
S2	Black	Loss	Ishitani Shin-ichi	2397.50
S4	Black	Loss	Arita Nobuyoshi	2381.39
S5	White	Draw	Isobe Taizan	2399.90
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2329.45
Round	Color	Result	Opponent
1	White	Win	Kuramoto Hideharu	1908.01
2	White	Win	Kato Yasuhiro	2000.93
3	White	Loss	Kudomi Takahiro	2354.88
4	White	Win	Ono Takayuki	2410.21
46th Meijinsen Qualification East-Japan area 1st round
Date	2008-06-15		Rating	2312.34
Round	Color	Result	Opponent
1	Black	Loss	Tanno Yoshitaka	2122.21
2	White	Win	Tamada Yoichi	2231.38
3	White	Draw	Arita Nobuyoshi	2393.96
4	White	Win	Kubo Izumi	2102.97
ex	White	Loss	Sato Kiyotomi	2429.32
25th Kanto Championship
Date	2008-05-18		Rating	2309.85
Round	Color	Result	Opponent
1	White	Win	Tanizaki Ryusuke	2121.30
2	Black	Win	Ono Takayuki	2396.17
3	Black	Loss	Arita Nobuyoshi	2394.12
4	Black	Win	Kato Yasuhiro	1994.70
5	Black	Loss	Nakamura Shigeru	2859.60
3rd All Japan Championship
Date	2008-03-23		Rating	2301.17
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2856.78
2	White	Loss	Maruta Hiroki	2031.38
3	White	Draw	Fujikawa Masaki	2107.00
4	White	Win	Nakayama Tomoharu	2231.88
5	Black	Win	Tanizaki Ryusuke	2122.02
6	White	Win	Tamada Yoichi	2207.37
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2278.76
Round	Color	Result	Opponent
1	Black	Draw	Watanabe Tatsuya	2140.12
2	White	Win	Kurimoto Masayuki	1659.64
3	White	Win	Watanabe Yoko	2059.07
4	White	Loss	Ono Takayuki	2379.06
5	White	Loss	Nagao Noriaki	2250.48
45th Meijinsen Qualification East-Japan area 1st round
Date	2007-06-17		Rating	2272.21
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2396.91
2	White	Win	Hara Masao	2054.13
3	White	Loss	Arita Nobuyoshi	2367.51
4	White	Win	Kubo Izumi	2095.84
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2270.99
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2346.41
2	White	Win	Nagao Noriaki	2231.76
3	Black	Win	Tanizaki Ryusuke	2142.40
4	Black	Loss	Kudomi Takahiro	2335.40
5	Black	Win	Isobe Taizan	2431.50
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2270.68
Round	Color	Result	Opponent
1	White	Loss	Wu Hao	2616.57
2	White	Loss	Yu Manjiang	2579.68
3	White	Win	Zhang Yifeng	2382.33
SF1	White	Loss	Okabe Hiroshi	2619.17
SF2	White	Loss	Ge Chongyu	2392.14
SF3	White	Draw	Isobe Taizan	2431.49
SF4	White	Loss	Zhu Jianfeng	2517.15
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2266.76
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2425.37
2	White	Win	Maruta Hiroki	2024.93
3	White	Loss	Oosumi Yuuki	2507.89
4	White	Win	Fujikawa Masaki	2102.16
5	White	Win	Miyoshi Takeo	2285.17
6	White	Loss	Ishitani Shin-ichi	2381.53
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2247.40
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2009.95
2	White	Win	Matsuoka Teruo	1856.98
3	Black	Win	Tomobe Katsuhiro	2072.70
4	White	Win	Kato Yasuhiro	2009.63
5	White	Loss	Nagao Noriaki	2245.89
Asian Championship 2006
Date	2006-08-15		Rating	2245.03
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2100.29
2	White	Loss	Park Jeong Ho	2388.70
3	White	Loss	Choi Yun Suk	2269.48
4	Black	Loss	Ishitani Shin-ichi	2363.07
5	Black	Loss	Kim Su Chan	2131.24
6	White	Win	Cha Jee-Young	1703.72
7	White	Win	Kang Bo-Ra	1748.49
8	White	Draw	Chang Jae-Won	2018.79
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2253.41
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2036.68
2	Black	Loss	Koyama Jun	2338.83
3	White	Loss	Tamura Kazumasa	2364.81
4	White	Draw	Ono Takayuki	2301.34
23rd Kanto Championship
Date	2006-05-21		Rating	2258.81
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2042.84
2	White	Win	Maruta Koji	2117.25
3	White	Draw	Okabe Hiroshi	2596.48
4	Black	Loss	Yamaguchi Yusui	2638.12
5	Black	Win	Kudomi Takahiro	2282.92
1st All Japan Championship
Date	2006-03-26		Rating	2261.26
Round	Color	Result	Opponent
1	Black	Win	Hara Masao	2072.86
2	Black	Loss	Yamaguchi Yusui	2636.33
3	Black	Win	Kato Yasuhiro	2054.90
4	White	Win	Matsuura Hiroshi	2313.23
5	White	Loss	Oosumi Yuuki	2421.02
6	Black	Loss	Isobe Taizan	2425.59
The 4th Shanghai Renju Meijin Invitation Tournament
Date	2006-03-20		Rating	2261.26
Round	Color	Result	Opponent
1	White	Loss	Ge Lingfeng	2391.34
2	White	Loss	Wu Hao	2599.96
3	White	Loss	Zhu Jianfeng	2499.09
4	White	Loss	Isobe Taizan	2426.58
5	White	Loss	Li Hongbin	2461.48
6	White	Win	Xue Wenxi	2380.25
7	White	Loss	Takashima Junya	2509.41
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2272.81
Round	Color	Result	Opponent
1	Black	Win	Watanabe Tatsuya	2128.91
2	Black	Win	Hara Masao	2057.25
3	White	Draw	Itami Yoshiyuki	2182.35
4	White	Loss	Sato Kiyotomi	2394.93
World Championship 2005, BT
Date	2005-08-05		Rating	2278.26
Round	Color	Result	Opponent
1	Black	Win	Poghosyan Albert	2376.77
2	White	Loss	Kozhin Mikhail	2550.86
3	Black	Loss	Cheng Wei-Yuan	2372.62
4	White	Win	Kaljuste Ergo	1937.54
6	Black	Loss	Lents Johann	2534.80
7	Black	Win	Lillemets Rauni	2141.73
8	White	Win	Jonsson Peter	2370.14
9	Black	Win	Sandstrom Richard	2269.54
43rd Meijinsen Qualification: East Japan Final
Date	2005-07-11		Rating	2275.93
Round	Color	Result	Opponent
	White	Loss	Sato Kiyotomi	2394.99
	White	Loss	Okabe Hiroshi	2583.24
	White	Win	Itami Yoshiyuki	2189.70
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2273.56
Round	Color	Result	Opponent
1	Black	Win	Arita Nobuyoshi	2325.14
2	White	Win	Sato Kiyotomi	2394.90
3	Black	Draw	Kudomi Takahiro	2299.77
4	White	Win	Okabe Hiroshi	2583.62
22nd Kanto Championship
Date	2005-05-22		Rating	2266.86
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2276.61
2	White	Win	Ono Takayuki	2293.42
3	White	Loss	Nagao Noriaki	2231.84
4	Black	Win	Watanabe Tatsuya	2105.57
5	Black	Win	Kamemoto Daichi	2132.36
The 3rd Shanghai Renju Meijin Invitation Tournament
Date	2005-05-04		Rating	2260.92
Round	Color	Result	Opponent
1	Black	Loss	Ge Lingfeng	2364.10
2	White	Draw	Wu Jie	2235.91
3	Black	Loss	Xue Wenxi	2395.01
4	White	Win	Tao Junfeng	1873.85
5	Black	Loss	Chen Lin	2464.35
6	White	Loss	Gu Gongbo	2117.49
7	White	Loss	Yin Licheng	2406.64
Japan WC Qualification tournament
Date	2005-04-03		Rating	2257.04
Round	Color	Result	Opponent
1	Black	Loss	Matsuura Hiroshi	2389.66
2	Black	Win	Maruta Hiroki	1952.25
3	Black	Loss	Miyoshi Takeo	2273.52
4	White	Draw	Tamura Kazumasa	2345.18
5	White	Win	Arita Nobuyoshi	2302.31
6	White	Loss	Ishitani Shin-ichi	2387.42
5th Kanto Renju Emperor Tournament - 2nd round
Date	2004-12-19		Rating	2247.14
Round	Color	Result	Opponent
	Black	Loss	Kudomi Takahiro	2329.17
	Black	Loss	Ono Takayuki	2294.15
	Black	Loss	Sato Kiyotomi	2368.86
	Black	Loss	Okabe Hiroshi	2577.17
	Black	Loss	Yamaguchi Yusui	2568.69
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2248.46
Round	Color	Result	Opponent
1	Black	Win	Koyama Jun	2238.30
2	Black	Loss	Ono Takayuki	2292.13
3	Black	Win	Tadokoro Hosai	1928.26
4	White	Win	Sato Takuma	2176.53
42nd Meijinsen Qualification: East Japan 1st round
Date	2004-06-13		Rating	2248.15
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2212.80
2	Black	Loss	Ono Takayuki	2256.46
4	White	Win	Sunagawa Shouki	2133.62
The 2nd Shanghai Renju Meijin Invitation Tournament
Date	2004-05-04		Rating	2251.18
Round	Color	Result	Opponent
	White	Loss	Yamaguchi Yusui	2590.92
	White	Loss	Chen Lin	2436.05
	White	Loss	Li Hongbin	2436.37
	White	Loss	Isobe Taizan	2433.15
	White	Win	Ge Lingfeng	2324.63
	White	Loss	Xue Wenxi	2379.47
	Black	Win	Xu Bin	2139.92
7th Mikami Cup - Special Class
Date	2004-01-25		Rating	2261.75
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2556.89
2	Black	Loss	Ishitani Shin-ichi	2387.60
3	Black	Draw	Miyagawa Junzo	2259.98
4th Kanto Renju Emperor Tournament - 2nd round
Date	2003-11-30		Rating	2267.57
Round	Color	Result	Opponent
	White	Draw	Nagao Noriaki	2282.29
	Black	Loss	Maruta Koji	2230.07
	Black	Loss	Isobe Taizan	2424.44
	Black	Loss	Yamaguchi Yusui	2595.27
	Black	Loss	Okabe Hiroshi	2559.47
Asian Cup 2003
Date	2003-10-10		Rating	2279.16
Round	Color	Result	Opponent
1	White	Win	Lin Sheng-Min	2116.67
2	White	Win	Zhang Jinyu	2485.17
3	White	Loss	Lents Johann	2474.32
4	White	Loss	Wu Hao	2500.15
5	White	Loss	Wang Chih-Kung	2194.58
6	White	Win	Shi Xiaolin	2099.28
7	Black	Win	Liu Tong	2220.71
8	White	Loss	Chang Chao-Yung	2205.42
9	White	Win	Hua Tao	2117.33
World Championship 2003, BT
Date	2003-08-08		Rating	2291.23
Round	Color	Result	Opponent
1	White	Draw	Rybka Aleš	2207.38
2	White	Win	Chen Ko-Han	2424.82
3	White	Win	Tamura Kazumasa	2301.60
4	White	Win	Chen Wei	2513.83
5	White	Loss	Lents Johann	2464.12
6	White	Loss	Ilu Timo	2451.14
7	White	Loss	Ishitani Shin-ichi	2384.45
8	White	Loss	Chernov Sergey	2343.89
9	White	Win	Ono Takayuki	2200.98
World Championship 2003, QT
Date	2003-07-31		Rating	2291.97
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2495.71
2	White	Win	Tarannikov Yuriy	2582.70
3	White	Draw	Dzainukov Eldar	2199.49
4	White	Win	Karasyov Maxim	2490.79
5	White	Loss	Sushkov Vladimir	2691.45
6	White	Loss	Gardström Petter	2417.38
7	White	Loss	Ilu Timo	2449.55
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2293.79
Round	Color	Result	Opponent
1	Black	Draw	Tadokoro Hosai	1986.56
2	Black	Loss	Maruta Koji	2221.06
3	Black	Win	Ohno Syunzo	2020.87
4	Black	Win	Sato Takuma	2120.36
Japan WC Qualification 2003
Date	2003-03-22		Rating	2300.93
Round	Color	Result	Opponent
1	Black	Win	Kuramoto Hideharu	1719.44
2	Black	Win	Sakurai Yasuo	2083.28
3	White	Loss	Nara Hideki	2590.61
4	Black	Loss	Isobe Taizan	2441.65
5	Black	Win	Miyagawa Sou	2082.34
1st Shanghai Meijin
Date	2003-03-20		Rating	2301.12
Round	Color	Result	Opponent
	White	Win	Ye Sen	2070.85
	White	Loss	Yu Zhenlin	1935.92
	Black	Draw	Li Hongbin	2381.27
	Black	Win	Sakurai Yasuo	2083.21
	Black	Win	Cui Yue	2270.47
	Black	Win	Gu Wei	2352.53
	Black	Loss	Tian Yifang	2250.03
	Black	Win	Ono Takayuki	2181.24
	Black	Win	Hou Jun	2064.49
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2306.46
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2210.61
2	Black	Loss	Arita Nobuyoshi	2156.90
3	Black	Win	Sato Takuma	2070.37
4	Black	Win	Suzuki Naoya	2267.18
Japan WC Qualification tournament
Date	2001-03-24		Rating	2299.44
Round	Color	Result	Opponent
1	Black	Draw	Okabe Hiroshi	2335.81
2	Black	Win	Sakurai Yasuo	2075.48
3	White	Loss	Nara Hideki	2558.23
4	Black	Win	Miyoshi Takeo	2193.91
5	White	Loss	Hasegawa Kazuto	2564.49
6	Black	Win	Miyagawa Sou	1969.76
7	White	Loss	Ishitani Shin-ichi	2418.14
38th Meijinsen Qualification: East Japan 2nd round
Date	2000-07-02		Rating	2293.60
Round	Color	Result	Opponent
	White	Draw	Isobe Taizan	2456.69
	White	Loss	Kusajima Masato	2359.09
	White	Loss	Kudomi Takahiro	2357.28
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2294.84
Round	Color	Result	Opponent
1	Black	Loss	Kubo Izumi	2174.73
2	Black	Loss	Maruta Koji	2210.96
3	Black	Win	Adachi Yasuhiro	1996.48
4	White	Win	Kusajima Masato	2356.34
Kanto Championship
Date	2000-05-14		Rating	2297.05
Round	Color	Result	Opponent
1	Black	Win	Tadokoro Hosai	1973.86
2	White	Win	Okabe Hiroshi	2277.91
3	White	Loss	Kusajima Masato	2355.41
4	White	Loss	Nakamura Shigeru	2763.66
World Championship 1999, BT
Date	1999-08-05		Rating	2322.75
Round	Color	Result	Opponent
1	Black	Loss	Jonsson Peter	2264.34
2	White	Win	Gaulitz Joachim	2381.38
3	White	Win	Chen Chen-Kuo	2127.41
4	White	Loss	Nara Hideki	2554.12
5	White	Win	Poghosyan Albert	2331.69
6	White	Win	Khramov Andrey	2203.94
7	White	Loss	Filippov Sergey	2360.28
8	White	Draw	Volkov Sergey	2274.62
9	White	Win	Andersson Tord	2255.37
“Compaq Cup” International Invitational Tournament
Date	1997-05-10		Rating	2326.68
Round	Color	Result	Opponent
1	White	Win	Li Dong	2109.86
2	White	Win	Ishitani Shin-ichi	2321.55
3	Black	Loss	Nara Hideki	2537.39
4	White	Win	Su Liang	1979.38
5	Black	Draw	Karlsson Stefan	2430.36
6	White	Loss	Isobe Taizan	2428.61
7	White	Loss	Zhang Jinyu	2276.89
8	White	Loss	Deng Jinghui	2121.99
9	White	Win	Yu Jingping	2036.72
World Championship 1995, BT
Date	1995-08-07		Rating	2385.68
Round	Color	Result	Opponent
	White	Loss	Sinyov Igor	2504.45
	Black	Win	Matyuk Valeri	2211.96
	White	Win	Fedorkin Oleg	2351.17
	White	Win	Hayakawa Yoshimi	2553.47
	White	Loss	Gurckis Gatis	2297.31
	White	Win	Na Wei	1926.66
	Black	Win	Tuvikene Margus	2354.37
World Championship 1993, BT
Date	1993-08-12		Rating	2371.33
Round	Color	Result	Opponent
	White	Loss	Tuvikene Margus	2351.29
	White	Win	Matyuk Valeri	2177.67
	Black	Win	Henningsson Anders	2229.68
	White	Loss	Palmgren Jan	2254.90
	White	Win	Maltell Tommy	1986.74
	Black	Win	Golosov Viktor	2153.66
World Championship 1991, BT
Date	1991-08-10		Rating	2382.56
Round	Color	Result	Opponent
3	White	Win	Krasnonosov Dmitry	2230.58
6	Black	Win	Zabrodin Evgeny	2219.68
The 1st Meijin-sen Match
Date	1962-10-12		Rating	1870.50
Round	Color	Result	Opponent
1	White	Loss	Yamakita Toshinori	1955.09
2	Black	Loss	Yamakita Toshinori	1955.09
3	Black	Draw	Yamakita Toshinori	1955.09
4	White	Draw	Yamakita Toshinori	1955.09