Kato Yasuhiro (加藤康弘)

Place: Tokyo, Japan

Rating: 2038.95, Std: 174.74, Rank: 698

First game: 1996-03-01, Last game: 2024-02-12

Top rating: 2149.10 (2013-05-12)

Games: 443, Wins: 151, Draws: 20, Losses: 272

Gy1: 0, Gy2: 3, Gy5: 13

18th All Japan Championship
Date	2024-02-12		Rating	2038.95
Round	Color	Result	Opponent
4	Black	Loss	Okabe Hiroshi	2720.55
5	Black	Loss	Toyo Koryu	2216.21
6	White	Loss	Tanaka Shotaro	2321.21
39 Kanto Championship
Date	2022-07-31		Rating	2066.93
Round	Color	Result	Opponent
4	White	Win	Kasahara Reiko	1730.94
5	Black	Win	Li Haoyang	2010.58
6	Black	Loss	Okabe Hiroshi	2700.51
22 Renju Emperor Tournament Kanto area 1st round
Date	2021-11-21		Rating	2064.92
Round	Color	Result	Opponent
1	White	Loss	Tanaka Shotaro	2290.54
2	White	Loss	Kato Shota	2049.50
3	Black	Loss	Tomobe Katsuhiro	2145.44
4	White	Win	Kasahara Reiko	1724.70
38 Kanto Championship
Date	2021-08-08		Rating	2075.74
Round	Color	Result	Opponent
4	White	Win	Okada Akihiro	1901.12
5	Black	Win	Li Haoyang	1977.40
6	White	Loss	Kamiya Shunsuke	2850.00
37 Kanto Championship
Date	2020-08-10		Rating	2088.20
Round	Color	Result	Opponent
1	White	Win	Kasahara Reiko	1727.50
2	White	Loss	Okabe Hiroshi	2733.10
3	White	Loss	Maruta Hiroki	2245.99
4	Black	Win	Shimura Hiroki	1965.28
5	White	Win	Maruta Koji	2119.55
6	White	Draw	Kawaai Hitoshi	2012.66
33 Kanto Championship
Date	2016-07-31		Rating	2045.79
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2624.03
2	Black	Win	Nakamura Souta	2276.43
3	Black	Loss	Maruta Koji	2179.89
4	Black	Win	Cho Enkun	1652.73
5	White	Loss	Ishitani Shin-ichi	2388.35
6	White	Loss	Fujikawa Masaki	2106.62
11th All Japan Championship
Date	2016-01-11		Rating	2040.00
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2538.42
2	White	Loss	Kudomi Takahiro	2192.67
3	Black	Loss	Nishida Toshio	2082.52
4	White	Loss	Maruta Hiroki	2123.85
5	Black	Loss	Maruta Koji	2194.75
6	Black	Win	Chigira Makoto	2030.24
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2044.53
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2716.53
2	Black	Loss	Nakamura Souta	2297.75
3	White	Loss	Maruta Hiroki	2124.19
4	White	Win	Hashimoto Takuya	2015.74
Kanto Championship
Date	2015-07-20		Rating	2055.71
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2399.46
2	Black	Loss	Iwano Fumio	2252.74
3	Black	Win	Kudomi Takahiro	2217.08
4	Black	Win	Tanizaki Ryusuke	2185.85
5	White	Loss	Maruta Koji	2206.20
6	Black	Loss	Maruta Hiroki	2105.81
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2060.02
Round	Color	Result	Opponent
1	White	Loss	Nakamura Souta	2293.57
2	White	Loss	Ono Takayuki	2330.07
3	White	Loss	Tanizaki Ryusuke	2196.82
4	Black	Win	Chigira Makoto	2004.67
10th All Japan Championship
Date	2015-03-29		Rating	2063.84
Round	Color	Result	Opponent
1	White	Loss	Tachi Masaya	2481.24
2	Black	Win	Inoue Fumiya	2243.68
3	White	Loss	Koyama Jun	2606.45
4	Black	Loss	Nagao Noriaki	2279.15
5	White	Loss	Kubo Izumi	2085.53
6	Black	Loss	Kim Chang-Su	2086.61
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2087.23
Round	Color	Result	Opponent
1	White	Win	Nakamura Souta	2227.90
2	White	Loss	Okabe Hiroshi	2747.39
3	White	Loss	Iwano Fumio	2257.82
4	Black	Win	Tomobe Katsuhiro	2091.89
1st Senior Masters Championship
Date	2014-08-29		Rating	2090.22
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2431.91
2	Black	Win	Kobayashi Koichi	2251.73
3	White	Loss	Kubo Izumi	2090.03
4	White	Win	Miura Hitoshi	1803.04
5	White	Loss	Miyagawa Junzo	2219.57
6	Black	Loss	Ishitani Shin-ichi	2452.34
7	Black	Loss	Mitsumori Masao	2338.25
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2097.81
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2322.45
2	White	Loss	Iwano Fumio	2263.06
3	Black	Loss	Tamura Kazumasa	2517.36
4	White	Loss	Tada Ayako	2314.81
31th Kanto Championship
Date	2014-05-11		Rating	2102.89
Round	Color	Result	Opponent
2	Black	Loss	Iwano Fumio	2262.32
3	White	Win	Nakamura Souta	2154.17
4	Black	Loss	Sato Kiyotomi	2471.23
5	White	Win	Maruta Hiroki	2104.14
9th All Japan Championship
Date	2014-01-26		Rating	2113.98
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2530.63
2	Black	Loss	Kamiya Shunsuke	2583.19
3	Black	Loss	Mano Yoshihisa	2316.14
4	White	Loss	Sato Kiyotomi	2464.27
6	Black	Loss	Kon Akira	1989.48
11th Middle-dan players Tournament
Date	2013-08-17		Rating	2134.21
Round	Color	Result	Opponent
1	Black	Loss	Fukui Nobuhiro	2596.56
2	White	Win	Maruta Koji	2175.57
3	White	Loss	Kashihara Akihiko	2341.68
4	White	Win	Miyagawa Junzo	2219.45
5	Black	Loss	Mano Yoshihisa	2314.51
6	White	Loss	Kubo Izumi	2093.89
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2137.39
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2468.42
2	White	Loss	Kudomi Takahiro	2389.59
3	Black	Loss	Mitsumori Masao	2333.01
4	White	Loss	Kamiya Shunsuke	2550.20
5	White	Loss	Tomobe Katsuhiro	2154.11
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2145.89
Round	Color	Result	Opponent
1	Black	Win	Mitsumori Masao	2334.18
2	White	Win	Isobe Taizan	2393.08
3	Black	Draw	Maruta Hiroki	2141.80
4	White	Loss	Kudomi Takahiro	2403.32
29th Kanto Championship
Date	2013-05-12		Rating	2149.10
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2866.15
2	White	Win	Iwano Fumio	2182.91
3	Black	Win	Tomobe Katsuhiro	2160.43
4	White	Loss	Kudomi Takahiro	2412.38
5	Black	Win	Mitsumori Masao	2335.61
8th All Japan Championship
Date	2013-03-24		Rating	2144.80
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2376.47
2	White	Win	Miyagawa Junzo	2219.43
3	Black	Loss	Mitsumori Masao	2340.34
4	White	Loss	Tada Ayako	2289.65
5	Black	Win	Tomobe Katsuhiro	2163.34
6	Black	Loss	Kubo Izumi	2091.65
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2140.68
Round	Color	Result	Opponent
A1	White	Win	Fujikawa Masaki	2030.35
A2	White	Win	Ozawa Tetsushi	2051.49
A3	Black	Win	Tomobe Katsuhiro	2177.73
A4	White	Win	Tanizaki Ryusuke	2131.15
A5	White	Win	Iwano Fumio	2155.99
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2111.64
Round	Color	Result	Opponent
1	Black	Loss	Mitsumori Masao	2347.84
2	Black	Win	Higuchi Fumiya	1605.07
3	White	Loss	Isobe Taizan	2412.09
4	White	Loss	Sato Kiyotomi	2407.42
52 Suiseisen Tournament 1st round
Date	2012-09-23		Rating	2104.13
Round	Color	Result	Opponent
1	White	Loss	Tada Ayako	2302.64
2	Black	Win	Higuchi Fumiya	1606.42
3	Black	Loss	Tomobe Katsuhiro	2195.19
4	White	Loss	Iwano Fumio	2145.94
10th Middle-dan players Tournament
Date	2012-08-26		Rating	2099.73
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2213.73
2	Black	Loss	Ono Takayuki	2435.19
3	Black	Loss	Kobayashi Koichi	2233.89
4	White	Loss	Kubo Izumi	2091.17
5	White	Win	Suzuki Junichiro	1919.79
6	White	Win	Mano Yoshihisa	2254.33
29th Kanto Championship
Date	2012-05-13		Rating	2075.37
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2366.98
2	White	Loss	Iwano Fumio	2132.20
3	Black	Loss	Matsuoka Teruo	2018.07
4	Black	Draw	Maruta Hiroki	2089.18
5	Black	Loss	Tada Ayako	2284.91
29th Kanto Shineisen Tournament
Date	2012-04-15		Rating	2073.13
Round	Color	Result	Opponent
1	White	Win	Kon Akira	2011.47
2	White	Win	Tomobe Katsuhiro	2204.51
3	White	Loss	Iwano Fumio	2127.64
4	Black	Loss	Maruta Hiroki	2086.74
5	Black	Loss	Matsuoka Teruo	2015.13
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2071.85
Round	Color	Result	Opponent
A1	White	Loss	Tada Ayako	2276.93
A2	White	Win	Iwano Fumio	2122.13
A3	White	Loss	Fukui Nobuhiro	2494.54
A4	White	Loss	Kon Akira	2014.17
A5	White	Loss	Nakayama Tomoharu	2611.71
7th All Japan Championship
Date	2012-01-29		Rating	2072.04
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2426.15
2	White	Loss	Fukui Nobuhiro	2488.19
3	Black	Win	Matsuoka Teruo	2007.25
4	White	Loss	Kubo Izumi	2099.06
5	White	Win	Maruta Hiroki	2085.87
6	Black	Loss	Kobayashi Koichi	2210.34
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2072.96
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2706.85
2	Black	Loss	Tada Ayako	2254.74
3	Black	Win	Maruta Hiroki	2085.80
4	White	Loss	Kobayashi Koichi	2189.32
51 Suiseisen Tournament Final round
Date	2011-10-09		Rating	2073.26
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2088.88
2	White	Loss	Nakayama Tomoharu	2585.70
3	White	Loss	Kawano Takahisa	2359.49
4	White	Draw	Tada Ayako	2253.14
5	White	Loss	Kamiya Shunsuke	2440.10
51 Suiseisen Tournament
Date	2011-09-11		Rating	2075.58
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1988.99
2	White	Win	Tada Ayako	2249.00
3	White	Loss	Kamiya Shunsuke	2434.75
4	White	Win	Maruta Hiroki	2095.50
28th Kanto Championship
Date	2011-05-22		Rating	2065.92
Round	Color	Result	Opponent
1	White	Draw	Oosumi Yuuki	2739.75
2	White	Loss	Tamada Yoichi	2508.01
3	White	Loss	Kamiya Shunsuke	2416.31
4	Black	Loss	Nakayama Tomoharu	2547.03
5	Black	Win	Maruta Hiroki	2110.98
28th Kanto Shineisen Tournament
Date	2011-04-17		Rating	2059.81
Round	Color	Result	Opponent
1	White	Loss	Iwano Fumio	2131.87
2	Black	Loss	Maruta Hiroki	2119.97
3	White	Loss	Arai Kazumi	2366.43
4	Black	Win	Kato Hiroaki	1734.73
5	White	Loss	Matsuoka Teruo	2001.13
3rd Tohoku Championship
Date	2011-02-27		Rating	2058.92
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2514.68
2	Black	Loss	Miyagawa Sou	2121.88
3	Black	Win	Yamamoto Harue	1686.18
4	Black	Loss	Tanno Yoshitaka	2101.43
5	Black	Win	Sato Ryota	1478.03
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2060.83
Round	Color	Result	Opponent
A1	White	Loss	Iwano Fumio	2132.07
A2	Black	Loss	Kise Katsumi	2521.30
A3	White	Loss	Ozawa Tetsushi	2093.66
A4	White	Win	Shimoyama Takuma	2225.36
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2069.04
Round	Color	Result	Opponent
1	White	Loss	Nakayama Tomoharu	2520.41
1	White	Loss	Maruta Koji	2110.90
3	White	Win	Matsuoka Teruo	1978.87
4	White	Loss	Shimoyama Takuma	2241.18
50 Suiseisen Tournament
Date	2010-09-12		Rating	2075.68
Round	Color	Result	Opponent
1	White	Win	Fukui Nobuhiro	2334.65
2	White	Loss	Kamiya Shunsuke	2365.40
3	White	Win	Iwano Fumio	2117.73
4	White	Loss	Tada Ayako	2200.43
9th Middle-dan Players Tournament
Date	2010-08-29		Rating	2076.19
Round	Color	Result	Opponent
1	Black	Loss	Matsuo Toshiko	1958.66
2	White	Loss	Kubo Izumi	2110.06
3	Black	Win	Suzuki Junichiro	1918.33
4	Black	Loss	Ono Takayuki	2388.33
5	White	Loss	Ozawa Tetsushi	2087.51
6	White	Win	Yasumoto Yoshinobu	1979.58
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2086.11
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2303.47
2	Black	Loss	Ono Takayuki	2392.06
3	White	Loss	Tada Ayako	2194.28
4	Black	Draw	Tanno Yoshitaka	2086.72
27th Kanto Championship
Date	2010-05-23		Rating	2094.42
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2584.51
2	White	Draw	Tada Ayako	2190.68
3	Black	Win	Maruta Hiroki	2082.16
4	Black	Win	Tomobe Katsuhiro	2208.77
5	Black	Loss	Tamura Kazumasa	2512.10
27th Kanto Shineisen Tournament
Date	2010-04-04		Rating	2099.85
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1977.25
2	White	Win	Takagi Tomoyuki	2178.34
3	White	Win	Fukui Nobuhiro	2314.03
4	White	Loss	Arai Kazumi	2311.95
5	Black	Win	Maruta Hiroki	2083.65
43 Touryumonsen Tournament
Date	2010-03-28		Rating	2099.88
Round	Color	Result	Opponent
1	White	Win	Ozawa Tetsushi	2065.61
2	Black	Win	Kawasaki Nobuhiko	2180.05
3	White	Win	Kon Akira	1977.75
4	White	Loss	Tada Ayako	2179.24
5	Black	Loss	Fukui Nobuhiro	2314.32
5th All Japan Championship
Date	2010-03-21		Rating	2099.29
Round	Color	Result	Opponent
1	Black	Loss	Tamura Kazumasa	2513.98
2	Black	Win	Miyoshi Takeo	2111.49
3	White	Loss	Ono Takayuki	2386.61
4	Black	Loss	Iwano Fumio	2117.63
5	White	Loss	Miyagawa Sou	2132.58
6	White	Win	Fujikawa Masaki	2034.96
2nd Tohoku Championship
Date	2010-03-14		Rating	2098.90
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2396.81
2	Black	Win	Hirono Masakazu	1969.79
3	Black	Draw	Kusajima Masato	2169.96
4	Black	Win	Miyagawa Sou	2132.91
5	Black	Loss	Tamada Yoichi	2446.75
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2088.61
Round	Color	Result	Opponent
A1	Black	Win	Iwano Fumio	2124.41
A2	Black	Win	Matsuoka Teruo	1966.40
A3	White	Loss	Tamada Yoichi	2435.57
A4	White	Loss	Fujikawa Masaki	2045.81
A5	White	Loss	Shimoyama Takuma	2264.26
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2068.65
Round	Color	Result	Opponent
A1	White	Loss	Tanaka Shingo	2203.49
A2	White	Loss	Tamada Yoichi	2406.94
A3	White	Win	Okuda Shingo	1940.88
A4	White	Win	Ozawa Tetsushi	2062.71
A5	White	Win	Saito Masashi	2081.15
A6	White	Loss	Suzuki Rin	1957.32
49 Suiseisen Tournament Final round
Date	2009-10-25		Rating	2064.95
Round	Color	Result	Opponent
1	White	Win	Tanji Hiroki	2052.21
2	Black	Loss	Shimoyama Takuma	2255.03
3	Black	Loss	Tashiro Yuichi	2288.03
4	White	Loss	Tamada Yoichi	2402.11
5	White	Win	Maruta Hiroki	2094.19
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2058.39
Round	Color	Result	Opponent
1	White	Loss	Fukui Nobuhiro	2318.67
2	White	Loss	Tada Ayako	2142.85
3	Black	Win	Matsuoka Teruo	1929.95
4	White	Loss	Tanji Hiroki	2053.45
49 Suiseisen Tournament 1st round
Date	2009-09-06		Rating	2051.98
Round	Color	Result	Opponent
1	Black	Loss	Tanji Hiroki	2052.27
2	White	Win	Fujikawa Masaki	2052.13
3	White	Win	Takeuchi Shunsuke	1958.09
4	Black	Win	Kawasaki Nobuhiko	2135.17
8th Middle-dan Players Tournament
Date	2009-08-30		Rating	2049.61
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2262.45
2	Black	Loss	Miyagawa Junzo	2202.48
3	Black	Loss	Kobayashi Koichi	2131.84
4	White	Loss	Kubo Izumi	2114.39
5	White	Loss	Ono Takayuki	2403.17
6	White	Loss	Gakumazawa Hideaki	2139.07
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2030.40
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2514.27
2	White	Loss	Shimoyama Takuma	2241.40
4	White	Loss	Nagao Noriaki	2294.73
26th Kanto Championship
Date	2009-05-17		Rating	2024.86
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2857.21
2	White	Loss	Ono Takayuki	2409.43
3	White	Loss	Shimoyama Takuma	2238.03
4	Black	Win	Suzuki Rin	1946.64
5	White	Loss	Maruta Koji	2108.94
26th Kanto Shineisen Tournament
Date	2009-04-05		Rating	2018.08
Round	Color	Result	Opponent
1	White	Win	Tanji Hiroki	2034.74
2	White	Loss	Watanabe Tatsuya	2169.86
3	Black	Win	Kon Akira	1959.40
4	White	Loss	Fujikawa Masaki	2069.40
5	White	Loss	Shimoyama Takuma	2232.51
4th All Japan Championship
Date	2009-03-21		Rating	2015.66
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2413.54
2	White	Loss	Tamada Yoichi	2297.40
3	White	Win	Suzuki Rin	1952.78
4	Black	Loss	Sakamoto Suzan	2294.00
5	White	Loss	Kobayashi Koichi	2117.74
6	Black	Win	Fujikawa Masaki	2068.80
42nd Touryumonsen Tournament
Date	2009-03-15		Rating	2014.56
Round	Color	Result	Opponent
1	White	Loss	Ozawa Tetsushi	2086.01
3	White	Loss	Kon Akira	1959.09
4	Black	Loss	Yoshikawa Hiromasa	2199.21
5	White	Loss	Tanaka Shingo	2201.70
6	White	Win	Sakaue Ryota	1675.55
7	White	Win	Saito Masashi	2053.26
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2009.31
Round	Color	Result	Opponent
A1	White	Win	Fujikawa Masaki	2080.39
A2	White	Draw	Ozawa Tetsushi	2085.18
A3	White	Loss	Tanizaki Ryusuke	2130.80
A4	White	Loss	Maruta Hiroki	2082.17
A5	Black	Win	Kuramoto Hideharu	1901.58
9th Kanto Renju Emperor Tournament, 2nd round
Date	2008-11-16		Rating	2001.10
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2859.91
2	White	Loss	Nakayama Tomoharu	2289.19
3	Black	Loss	Kudomi Takahiro	2355.74
4	Black	Loss	Okabe Hiroshi	2683.62
5	Black	Loss	Sato Kiyotomi	2451.29
40th Kyoto Classified Tournament - group 1
Date	2008-11-09		Rating	2000.47
Round	Color	Result	Opponent
1	Black	Win	Nishimura Koichi	1871.19
2	Black	Loss	Ozawa Tetsushi	2082.51
3	Black	Loss	Kamei Shigeo	1757.05
5	White	Draw	Okuda Shingo	1946.66
6	White	Win	Kamatani Teruhiro	1581.35
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2000.56
Round	Color	Result	Opponent
1	Black	Win	Shinoda Masaki	1623.70
2	Black	Loss	Mitsumori Masao	2329.09
3	White	Win	Iwano Fumio	2167.73
4	Black	Win	Kuramoto Hideharu	1907.62
7th 6-7 dan Tournament
Date	2008-09-28		Rating	1997.42
Round	Color	Result	Opponent
1	White	Loss	Maruyama Yasushi	2233.19
2	Black	Loss	Kobayashi Koichi	2109.07
3	White	Loss	Tanno Yoshitaka	2118.73
4	Black	Loss	Gakumazawa Hideaki	2178.65
6	White	Win	Suzuki Junichiro	1883.27
25th Kanto Championship
Date	2008-05-18		Rating	1994.36
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2859.27
2	Black	Win	Iwano Fumio	2183.85
3	Black	Win	Kudomi Takahiro	2337.23
4	White	Loss	Mitsumori Masao	2309.51
5	Black	Loss	Isobe Taizan	2425.34
25th Kanto Shineisen Tournament
Date	2008-04-13		Rating	1988.10
Round	Color	Result	Opponent
1	Black	Loss	Matsuoka Teruo	1878.56
2	White	Win	Takeuchi Yuuta	1853.42
3	Black	Loss	Fujikawa Masaki	2103.93
4	Black	Win	Harada Motochika	1790.27
5	Black	Loss	Watanabe Tatsuya	2156.30
3rd All Japan Championship
Date	2008-03-23		Rating	1986.00
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2395.80
2	Black	Win	Maruta Koji	2084.36
3	White	Draw	Tanizaki Ryusuke	2121.68
4	Black	Loss	Sato Kiyotomi	2416.12
5	White	Loss	Fujikawa Masaki	2106.67
6	Black	Win	Tadokoro Hosai	1926.78
11th Mikami Cup Tournament, A-Class
Date	2008-01-20		Rating	1974.51
Round	Color	Result	Opponent
1	Black	Win	Matsuoka Teruo	1876.12
2	White	Loss	Iwano Fumio	2187.25
3	Black	Loss	Kuramoto Hideharu	1916.81
4	White	Loss	Tamada Yoichi	2190.32
5	White	Loss	Ozawa Tetsushi	2033.66
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	1968.89
Round	Color	Result	Opponent
1	Black	Loss	Suzuki Rin	1957.01
2	White	Win	Tanji Hiroki	1936.33
3	Black	Loss	Nakayama Tomoharu	2203.21
4	Black	Loss	Maruta Hiroki	2028.81
5	White	Loss	Watanabe Tatsuya	2139.82
6dan 7dan Tournament
Date	2007-10-08		Rating	1969.47
Round	Color	Result	Opponent
1	White	Loss	Ono Takayuki	2375.80
2	White	Win	Kubo Izumi	2081.15
3	White	Loss	Gakumazawa Hideaki	2180.62
4	White	Win	Tadokoro Hosai	1933.04
5	White	Loss	Miyagawa Junzo	2268.83
6	Black	Loss	Sato Kiyotomi	2401.50
47 Suiseisen Tournament 1st round
Date	2007-09-23		Rating	1969.20
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2113.12
2	Black	Loss	Watanabe Yoko	2058.39
3	Black	Win	Maruta Hiroki	2026.92
4	White	Win	Matsuoka Teruo	1873.27
24th Kanto Shineisen Tournament
Date	2007-04-15		Rating	1961.57
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1877.46
2	Black	Loss	Teshima Masakatsu	1952.97
3	Black	Win	Tanji Hiroki	1903.00
4	Black	Loss	Tamada Yoichi	2124.86
5	White	Loss	Ozawa Tetsushi	2015.08
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	1963.89
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2284.95
2	Black	Loss	Oosumi Yuuki	2507.77
3	Black	Loss	Maruta Hiroki	2024.65
4	Black	Loss	Tanizaki Ryusuke	2140.23
5	White	Loss	Ishitani Shin-ichi	2381.36
6	Black	Loss	Kuramoto Hideharu	1888.32
10th Mikami Cup Tournament, A-class
Date	2007-01-28		Rating	1979.69
Round	Color	Result	Opponent
1	White	Win	Watanabe Tatsuya	2123.53
2	Black	Win	Maruta Hiroki	2021.42
3	White	Loss	Iwano Fumio	2143.54
4	Black	Loss	Kobayashi Koichi	2098.83
5	White	Loss	Matsuoka Teruo	1875.03
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2009.38
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Jyunko	1815.37
2	White	Win	Abiko Setsuko	2036.29
3	White	Draw	Isobe Taizan	2415.00
4	Black	Loss	Mitsumori Masao	2247.14
5	White	Loss	Kudomi Takahiro	2291.54
23rd Kanto Shinei Tournament
Date	2006-09-10		Rating	2016.05
Round	Color	Result	Opponent
1	White	Win	Kamemoto Daichi	2197.61
2	Black	Loss	Iwano Fumio	2110.72
3	White	Draw	Watanabe Yoko	2031.50
4	Black	Loss	Tanizaki Ryusuke	2126.98
5	White	Loss	Maruta Hiroki	2003.30
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2036.44
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2253.17
2	Black	Loss	Nagao Noriaki	2234.86
3	Black	Win	Hara Masao	2083.80
4	Black	Draw	Kubo Izumi	2105.30
23rd Kanto Championship
Date	2006-05-21		Rating	2042.61
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2258.57
2	Black	Draw	Iwano Fumio	2095.27
3	White	Loss	Tomobe Katsuhiro	2091.44
4	Black	Loss	Nagao Noriaki	2228.38
5	Black	Win	Fujikawa Masaki	2031.00
46th Suisei-sen tournament final round
Date	2006-04-16		Rating	2051.69
Round	Color	Result	Opponent
	White	Win	Itami Yoshiyuki	2157.90
	White	Draw	Nagao Noriaki	2221.60
	Black	Loss	Hara Masao	2077.90
	Black	Win	Koyama Jun	2329.15
	Black	Loss	Ono Takayuki	2304.78
1st All Japan Championship
Date	2006-03-26		Rating	2054.68
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2494.31
2	Black	Loss	Oosumi Yuuki	2420.89
3	White	Loss	Mitsumori Masao	2261.03
4	Black	Draw	Kudomi Takahiro	2283.43
5	White	Loss	Maruta Koji	2126.45
6	White	Win	Nagao Noriaki	2221.60
46th Suisei-sen Tournament - 1st round
Date	2006-03-12		Rating	2054.81
Round	Color	Result	Opponent
1	Black	Loss	Kamemoto Daichi	2190.05
2	White	Win	Tanizaki Ryusuke	2111.30
3	Black	Win	Iwano Fumio	2079.56
4	White	Win	Watanabe Tatsuya	2132.87
9th Mikami Cup - A Class
Date	2006-01-29		Rating	2048.60
Round	Color	Result	Opponent
1	White	Loss	Watanabe Tatsuya	2133.79
2	White	Win	Matsuoka Teruo	1825.08
3	Black	Win	Oonuma Nobuhiro	1842.77
4	White	Win	Kamemoto Daichi	2185.06
5	White	Loss	Oosumi Yuuki	2415.25
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2026.83
Round	Color	Result	Opponent
1	Black	Loss	Teshima Masakatsu	1957.92
2	White	Loss	Yamauchi Takahiro	2034.95
3	White	Win	Yoda Tsuyoshi	1702.11
4	White	Loss	Tanizaki Ryusuke	2104.09
22nd Kanto Shineisen Tournament
Date	2005-09-11		Rating	2023.93
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2075.31
2	White	Win	Nakata Shinsuke	1960.62
3	White	Loss	Sasaki Miyu	1945.21
4	Black	Loss	Tanizaki Ryusuke	2099.08
5	Black	Win	Ishizaki Masatoshi	1897.13
Japan WC Qualification tournament
Date	2005-04-03		Rating	2025.00
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2387.25
2	White	Draw	Ono Takayuki	2295.73
3	Black	Loss	Miyagawa Junzo	2253.59
4	White	Loss	Oosumi Yuuki	2370.01
5	White	Loss	Maruta Koji	2162.90
6	Black	Win	Hara Masao	2054.06
45th Suisei-sen Tournament
Date	2005-03-20		Rating	2023.36
Round	Color	Result	Opponent
1	Black	Loss	Matsuoka Teruo	1875.22
2	White	Win	Tanizaki Ryusuke	2071.70
3	Black	Loss	Sasaki Miyu	1963.11
4	White	Loss	Tomobe Katsuhiro	2040.80
8th Mikami Cup - A Class
Date	2005-01-23		Rating	2024.23
Round	Color	Result	Opponent
1	Black	Win	Sasaki Miyu	1958.45
2	Black	Draw	Hara Masao	2060.03
3	White	Loss	Koyama Jun	2255.66
4	White	Win	Arita Nobuyoshi	2286.30
5	White	Loss	Sato Takuma	2178.59
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2020.26
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1887.67
2	White	Win	Itami Yoshiyuki	2164.13
3	White	Loss	Tomobe Katsuhiro	2030.98
4	Black	Loss	Watanabe Tatsuya	2083.14
21st Kanto Shineisen Tournament
Date	2004-09-12		Rating	2022.34
Round	Color	Result	Opponent
1	Black	Loss	Itami Yoshiyuki	2157.64
2	Black	Win	Maruta Hiroki	1954.27
3	White	Loss	Tashiro Yuichi	2288.13
4	White	Loss	Sasaki Miyu	1956.52
5	Black	Win	Iwano Fumio	2027.21
7th Mikami Cup - A class
Date	2004-01-25		Rating	2033.11
Round	Color	Result	Opponent
1	White	Win	Sasaki Miyu	1937.65
2	White	Loss	Arita Nobuyoshi	2236.75
3	Black	Loss	Sato Koichi	1998.15
4	Black	Win	Uchiyama Yasuhiko	1826.10
5	Black	Loss	Miyagawa Sou	2106.86
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2040.91
Round	Color	Result	Opponent
1	Black	Win	Oosaku Kazuyuki	1847.87
2	Black	Loss	Isobe Taizan	2423.13
3	White	Loss	Itami Yoshiyuki	2154.13
4	White	Win	Yamauchi Yasuhiro	1805.20
20th Kanto Shineisen Tournament
Date	2003-09-21		Rating	2047.08
Round	Color	Result	Opponent
1	Black	Win	Koyama Jun	2167.57
2	Black	Loss	Arita Nobuyoshi	2217.14
3	Black	Loss	Sato Kiyotomi	2307.45
4	Black	Loss	Tadokoro Hosai	1987.10
5	Black	Win	Sato Koichi	1966.52
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2098.95
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2456.13
2	White	Win	Maruta Koji	2208.90
3	White	Loss	Isobe Taizan	2449.70
4	Black	Win	Arita Nobuyoshi	2156.79
Kanto Championship
Date	2000-05-14		Rating	2055.34
Round	Color	Result	Opponent
1	White	Win	Suzuki Naoya	2168.94
2	White	Loss	Sunagawa Shouki	2216.76
3	White	Loss	Nara Hideki	2567.23
4	White	Loss	Maruta Koji	2209.50
36 Suiseisen Tournament 1st round
Date	1996-03-01		Rating	1960.29
Round	Color	Result	Opponent
4	White	Loss	Aihara Hiroshi	2041.25