Kato Yasuhiro (加藤康弘)

Place: Tokyo, Japan

Rating: 2014.51, Std: 153.39, Rank: 763

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

Top rating: 2145.72 (2013-05-12)

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

Gy1: 3, Gy2: 3, Gy5: 19

18th All Japan Championship
Date	2024-02-12		Rating	2014.51
Round	Color	Result	Opponent
4	Black	Loss	Okabe Hiroshi	2701.80
5	Black	Loss	Toyo Koryu	2165.99
6	White	Loss	Tanaka Shotaro	2293.60
39 Kanto Championship
Date	2022-07-31		Rating	2044.47
Round	Color	Result	Opponent
4	White	Win	Kasahara Reiko	1671.03
5	Black	Win	Li Haoyang	1987.70
6	Black	Loss	Okabe Hiroshi	2685.82
22 Renju Emperor Tournament Kanto area 1st round
Date	2021-11-21		Rating	2043.96
Round	Color	Result	Opponent
1	White	Loss	Tanaka Shotaro	2275.78
2	White	Loss	Kato Shota	2028.75
3	Black	Loss	Tomobe Katsuhiro	2119.38
4	White	Win	Kasahara Reiko	1677.30
38 Kanto Championship
Date	2021-08-08		Rating	2055.59
Round	Color	Result	Opponent
4	White	Win	Okada Akihiro	1875.79
5	Black	Win	Li Haoyang	1956.66
6	White	Loss	Kamiya Shunsuke	2837.58
37 Kanto Championship
Date	2020-08-10		Rating	2071.10
Round	Color	Result	Opponent
1	White	Win	Kasahara Reiko	1694.12
2	White	Loss	Okabe Hiroshi	2723.93
3	White	Loss	Maruta Hiroki	2234.33
4	Black	Win	Shimura Hiroki	1951.88
5	White	Win	Maruta Koji	2106.82
6	White	Draw	Kawaai Hitoshi	1999.54
33 Kanto Championship
Date	2016-07-31		Rating	2038.62
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2619.40
2	Black	Win	Nakamura Souta	2271.45
3	Black	Loss	Maruta Koji	2174.33
4	Black	Win	Cho Enkun	1649.88
5	White	Loss	Ishitani Shin-ichi	2383.43
6	White	Loss	Fujikawa Masaki	2100.71
11th All Japan Championship
Date	2016-01-11		Rating	2033.97
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2533.76
2	White	Loss	Kudomi Takahiro	2188.40
3	Black	Loss	Nishida Toshio	2077.41
4	White	Loss	Maruta Hiroki	2118.85
5	Black	Loss	Maruta Koji	2189.61
6	Black	Win	Chigira Makoto	2025.70
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2038.76
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2712.33
2	Black	Loss	Nakamura Souta	2293.07
3	White	Loss	Maruta Hiroki	2119.29
4	White	Win	Hashimoto Takuya	2011.77
Kanto Championship
Date	2015-07-20		Rating	2050.44
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2395.69
2	Black	Loss	Iwano Fumio	2247.99
3	Black	Win	Kudomi Takahiro	2212.97
4	Black	Win	Tanizaki Ryusuke	2180.81
5	White	Loss	Maruta Koji	2201.38
6	Black	Loss	Maruta Hiroki	2101.14
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2055.01
Round	Color	Result	Opponent
1	White	Loss	Nakamura Souta	2289.22
2	White	Loss	Ono Takayuki	2325.87
3	White	Loss	Tanizaki Ryusuke	2191.99
4	Black	Win	Chigira Makoto	2000.41
10th All Japan Championship
Date	2015-03-29		Rating	2058.97
Round	Color	Result	Opponent
1	White	Loss	Tachi Masaya	2477.11
2	Black	Win	Inoue Fumiya	2238.33
3	White	Loss	Koyama Jun	2602.50
4	Black	Loss	Nagao Noriaki	2275.09
5	White	Loss	Kubo Izumi	2080.95
6	Black	Loss	Kim Chang-Su	2083.12
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2082.82
Round	Color	Result	Opponent
1	White	Win	Nakamura Souta	2223.81
2	White	Loss	Okabe Hiroshi	2743.57
3	White	Loss	Iwano Fumio	2253.61
4	Black	Win	Tomobe Katsuhiro	2087.57
1st Senior Masters Championship
Date	2014-08-29		Rating	2085.98
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2428.58
2	Black	Win	Kobayashi Koichi	2249.18
3	White	Loss	Kubo Izumi	2085.94
4	White	Win	Miura Hitoshi	1802.47
5	White	Loss	Miyagawa Junzo	2215.94
6	Black	Loss	Ishitani Shin-ichi	2448.72
7	Black	Loss	Mitsumori Masao	2334.44
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2093.75
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2318.91
2	White	Loss	Iwano Fumio	2259.13
3	Black	Loss	Tamura Kazumasa	2514.34
4	White	Loss	Tada Ayako	2311.39
31th Kanto Championship
Date	2014-05-11		Rating	2098.88
Round	Color	Result	Opponent
2	Black	Loss	Iwano Fumio	2258.44
3	White	Win	Nakamura Souta	2150.29
4	Black	Loss	Sato Kiyotomi	2467.56
5	White	Win	Maruta Hiroki	2100.27
9th All Japan Championship
Date	2014-01-26		Rating	2110.16
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2527.68
2	Black	Loss	Kamiya Shunsuke	2579.69
3	Black	Loss	Mano Yoshihisa	2312.42
4	White	Loss	Sato Kiyotomi	2460.71
6	Black	Loss	Kon Akira	1986.10
11th Middle-dan players Tournament
Date	2013-08-17		Rating	2130.67
Round	Color	Result	Opponent
1	Black	Loss	Fukui Nobuhiro	2592.56
2	White	Win	Maruta Koji	2171.95
3	White	Loss	Kashihara Akihiko	2337.89
4	White	Win	Miyagawa Junzo	2216.28
5	Black	Loss	Mano Yoshihisa	2311.01
6	White	Loss	Kubo Izumi	2090.35
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2133.90
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2465.07
2	White	Loss	Kudomi Takahiro	2386.54
3	Black	Loss	Mitsumori Masao	2329.67
4	White	Loss	Kamiya Shunsuke	2546.90
5	White	Loss	Tomobe Katsuhiro	2150.62
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2142.46
Round	Color	Result	Opponent
1	Black	Win	Mitsumori Masao	2330.88
2	White	Win	Isobe Taizan	2389.94
3	Black	Draw	Maruta Hiroki	2138.43
4	White	Loss	Kudomi Takahiro	2400.28
29th Kanto Championship
Date	2013-05-12		Rating	2145.72
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2862.96
2	White	Win	Iwano Fumio	2179.58
3	Black	Win	Tomobe Katsuhiro	2157.05
4	White	Loss	Kudomi Takahiro	2409.34
5	Black	Win	Mitsumori Masao	2332.35
8th All Japan Championship
Date	2013-03-24		Rating	2141.49
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2373.43
2	White	Win	Miyagawa Junzo	2216.34
3	Black	Loss	Mitsumori Masao	2337.13
4	White	Loss	Tada Ayako	2286.50
5	Black	Win	Tomobe Katsuhiro	2160.03
6	Black	Loss	Kubo Izumi	2088.27
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2137.45
Round	Color	Result	Opponent
A1	White	Win	Fujikawa Masaki	2027.07
A2	White	Win	Ozawa Tetsushi	2048.40
A3	Black	Win	Tomobe Katsuhiro	2174.51
A4	White	Win	Tanizaki Ryusuke	2127.72
A5	White	Win	Iwano Fumio	2152.81
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2108.54
Round	Color	Result	Opponent
1	Black	Loss	Mitsumori Masao	2344.79
2	Black	Win	Higuchi Fumiya	1603.16
3	White	Loss	Isobe Taizan	2409.12
4	White	Loss	Sato Kiyotomi	2404.30
52 Suiseisen Tournament 1st round
Date	2012-09-23		Rating	2101.07
Round	Color	Result	Opponent
1	White	Loss	Tada Ayako	2299.63
2	Black	Win	Higuchi Fumiya	1604.52
3	Black	Loss	Tomobe Katsuhiro	2192.12
4	White	Loss	Iwano Fumio	2142.91
10th Middle-dan players Tournament
Date	2012-08-26		Rating	2096.70
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2210.77
2	Black	Loss	Ono Takayuki	2432.18
3	Black	Loss	Kobayashi Koichi	2231.20
4	White	Loss	Kubo Izumi	2088.01
5	White	Win	Suzuki Junichiro	1916.71
6	White	Win	Mano Yoshihisa	2251.25
29th Kanto Championship
Date	2012-05-13		Rating	2072.47
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2364.08
2	White	Loss	Iwano Fumio	2129.32
3	Black	Loss	Matsuoka Teruo	2015.59
4	Black	Draw	Maruta Hiroki	2086.32
5	Black	Loss	Tada Ayako	2282.03
29th Kanto Shineisen Tournament
Date	2012-04-15		Rating	2070.27
Round	Color	Result	Opponent
1	White	Win	Kon Akira	2008.62
2	White	Win	Tomobe Katsuhiro	2201.62
3	White	Loss	Iwano Fumio	2124.78
4	Black	Loss	Maruta Hiroki	2083.92
5	Black	Loss	Matsuoka Teruo	2012.66
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2069.03
Round	Color	Result	Opponent
A1	White	Loss	Tada Ayako	2274.10
A2	White	Win	Iwano Fumio	2119.30
A3	White	Loss	Fukui Nobuhiro	2491.55
A4	White	Loss	Kon Akira	2011.36
A5	White	Loss	Nakayama Tomoharu	2608.75
7th All Japan Championship
Date	2012-01-29		Rating	2069.27
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2423.44
2	White	Loss	Fukui Nobuhiro	2485.26
3	Black	Win	Matsuoka Teruo	2004.80
4	White	Loss	Kubo Izumi	2096.14
5	White	Win	Maruta Hiroki	2083.11
6	Black	Loss	Kobayashi Koichi	2207.78
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2070.30
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2704.08
2	Black	Loss	Tada Ayako	2252.04
3	Black	Win	Maruta Hiroki	2083.11
4	White	Loss	Kobayashi Koichi	2186.82
51 Suiseisen Tournament Final round
Date	2011-10-09		Rating	2070.61
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2086.20
2	White	Loss	Nakayama Tomoharu	2582.83
3	White	Loss	Kawano Takahisa	2356.17
4	White	Draw	Tada Ayako	2250.46
5	White	Loss	Kamiya Shunsuke	2437.48
51 Suiseisen Tournament
Date	2011-09-11		Rating	2072.97
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1986.45
2	White	Win	Tada Ayako	2246.35
3	White	Loss	Kamiya Shunsuke	2432.17
4	White	Win	Maruta Hiroki	2092.85
28th Kanto Championship
Date	2011-05-22		Rating	2063.43
Round	Color	Result	Opponent
1	White	Draw	Oosumi Yuuki	2737.30
2	White	Loss	Tamada Yoichi	2505.44
3	White	Loss	Kamiya Shunsuke	2413.78
4	Black	Loss	Nakayama Tomoharu	2544.28
5	Black	Win	Maruta Hiroki	2108.43
28th Kanto Shineisen Tournament
Date	2011-04-17		Rating	2057.36
Round	Color	Result	Opponent
1	White	Loss	Iwano Fumio	2129.35
2	Black	Loss	Maruta Hiroki	2117.45
3	White	Loss	Arai Kazumi	2364.26
4	Black	Win	Kato Hiroaki	1732.81
5	White	Loss	Matsuoka Teruo	1998.79
3rd Tohoku Championship
Date	2011-02-27		Rating	2056.53
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2512.20
2	Black	Loss	Miyagawa Sou	2120.00
3	Black	Win	Yamamoto Harue	1685.84
4	Black	Loss	Tanno Yoshitaka	2100.35
5	Black	Win	Sato Ryota	1477.55
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2058.46
Round	Color	Result	Opponent
A1	White	Loss	Iwano Fumio	2129.62
A2	Black	Loss	Kise Katsumi	2518.46
A3	White	Loss	Ozawa Tetsushi	2091.20
A4	White	Win	Shimoyama Takuma	2223.19
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2066.73
Round	Color	Result	Opponent
1	White	Loss	Nakayama Tomoharu	2517.86
1	White	Loss	Maruta Koji	2108.43
3	White	Win	Matsuoka Teruo	1976.63
4	White	Loss	Shimoyama Takuma	2239.02
50 Suiseisen Tournament
Date	2010-09-12		Rating	2073.40
Round	Color	Result	Opponent
1	White	Win	Fukui Nobuhiro	2332.23
2	White	Loss	Kamiya Shunsuke	2362.94
3	White	Win	Iwano Fumio	2115.38
4	White	Loss	Tada Ayako	2198.10
9th Middle-dan Players Tournament
Date	2010-08-29		Rating	2073.93
Round	Color	Result	Opponent
1	Black	Loss	Matsuo Toshiko	1956.43
2	White	Loss	Kubo Izumi	2107.66
3	Black	Win	Suzuki Junichiro	1916.00
4	Black	Loss	Ono Takayuki	2386.06
5	White	Loss	Ozawa Tetsushi	2085.15
6	White	Win	Yasumoto Yoshinobu	1977.38
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2083.90
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2301.18
2	Black	Loss	Ono Takayuki	2389.86
3	White	Loss	Tada Ayako	2192.03
4	Black	Draw	Tanno Yoshitaka	2085.41
27th Kanto Championship
Date	2010-05-23		Rating	2092.23
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2582.39
2	White	Draw	Tada Ayako	2188.45
3	Black	Win	Maruta Hiroki	2079.93
4	Black	Win	Tomobe Katsuhiro	2206.54
5	Black	Loss	Tamura Kazumasa	2510.25
27th Kanto Shineisen Tournament
Date	2010-04-04		Rating	2097.69
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1975.13
2	White	Win	Takagi Tomoyuki	2174.74
3	White	Win	Fukui Nobuhiro	2311.73
4	White	Loss	Arai Kazumi	2309.83
5	Black	Win	Maruta Hiroki	2081.45
43 Touryumonsen Tournament
Date	2010-03-28		Rating	2097.72
Round	Color	Result	Opponent
1	White	Win	Ozawa Tetsushi	2063.38
2	Black	Win	Kawasaki Nobuhiko	2178.02
3	White	Win	Kon Akira	1975.56
4	White	Loss	Tada Ayako	2177.06
5	Black	Loss	Fukui Nobuhiro	2312.02
5th All Japan Championship
Date	2010-03-21		Rating	2097.15
Round	Color	Result	Opponent
1	Black	Loss	Tamura Kazumasa	2512.14
2	Black	Win	Miyoshi Takeo	2109.30
3	White	Loss	Ono Takayuki	2384.52
4	Black	Loss	Iwano Fumio	2115.41
5	White	Loss	Miyagawa Sou	2130.91
6	White	Win	Fujikawa Masaki	2032.79
2nd Tohoku Championship
Date	2010-03-14		Rating	2096.76
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2394.82
2	Black	Win	Hirono Masakazu	1967.98
3	Black	Draw	Kusajima Masato	2167.53
4	Black	Win	Miyagawa Sou	2131.25
5	Black	Loss	Tamada Yoichi	2444.70
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2086.50
Round	Color	Result	Opponent
A1	Black	Win	Iwano Fumio	2122.23
A2	Black	Win	Matsuoka Teruo	1964.30
A3	White	Loss	Tamada Yoichi	2433.56
A4	White	Loss	Fujikawa Masaki	2043.68
A5	White	Loss	Shimoyama Takuma	2262.18
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2066.60
Round	Color	Result	Opponent
A1	White	Loss	Tanaka Shingo	2200.86
A2	White	Loss	Tamada Yoichi	2405.02
A3	White	Win	Okuda Shingo	1938.87
A4	White	Win	Ozawa Tetsushi	2060.61
A5	White	Win	Saito Masashi	2079.39
A6	White	Loss	Suzuki Rin	1955.26
49 Suiseisen Tournament Final round
Date	2009-10-25		Rating	2062.91
Round	Color	Result	Opponent
1	White	Win	Tanji Hiroki	2050.31
2	Black	Loss	Shimoyama Takuma	2253.00
3	Black	Loss	Tashiro Yuichi	2286.25
4	White	Loss	Tamada Yoichi	2400.21
5	White	Win	Maruta Hiroki	2092.13
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2056.37
Round	Color	Result	Opponent
1	White	Loss	Fukui Nobuhiro	2316.43
2	White	Loss	Tada Ayako	2140.79
3	Black	Win	Matsuoka Teruo	1927.92
4	White	Loss	Tanji Hiroki	2051.55
49 Suiseisen Tournament 1st round
Date	2009-09-06		Rating	2049.98
Round	Color	Result	Opponent
1	Black	Loss	Tanji Hiroki	2050.37
2	White	Win	Fujikawa Masaki	2050.11
3	White	Win	Takeuchi Shunsuke	1956.47
4	Black	Win	Kawasaki Nobuhiko	2133.20
8th Middle-dan Players Tournament
Date	2009-08-30		Rating	2047.61
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2260.37
2	Black	Loss	Miyagawa Junzo	2200.46
3	Black	Loss	Kobayashi Koichi	2129.87
4	White	Loss	Kubo Izumi	2112.36
5	White	Loss	Ono Takayuki	2401.33
6	White	Loss	Gakumazawa Hideaki	2137.43
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2028.44
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2512.53
2	White	Loss	Shimoyama Takuma	2239.43
4	White	Loss	Nagao Noriaki	2292.72
26th Kanto Championship
Date	2009-05-17		Rating	2022.92
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2855.15
2	White	Loss	Ono Takayuki	2407.63
3	White	Loss	Shimoyama Takuma	2236.06
4	Black	Win	Suzuki Rin	1944.69
5	White	Loss	Maruta Koji	2106.86
26th Kanto Shineisen Tournament
Date	2009-04-05		Rating	2016.16
Round	Color	Result	Opponent
1	White	Win	Tanji Hiroki	2032.90
2	White	Loss	Watanabe Tatsuya	2168.04
3	Black	Win	Kon Akira	1957.48
4	White	Loss	Fujikawa Masaki	2067.48
5	White	Loss	Shimoyama Takuma	2230.55
4th All Japan Championship
Date	2009-03-21		Rating	2013.76
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2411.74
2	White	Loss	Tamada Yoichi	2295.75
3	White	Win	Suzuki Rin	1950.87
4	Black	Loss	Sakamoto Suzan	2292.06
5	White	Loss	Kobayashi Koichi	2115.86
6	Black	Win	Fujikawa Masaki	2066.89
42nd Touryumonsen Tournament
Date	2009-03-15		Rating	2012.66
Round	Color	Result	Opponent
1	White	Loss	Ozawa Tetsushi	2084.11
3	White	Loss	Kon Akira	1957.18
4	Black	Loss	Yoshikawa Hiromasa	2197.31
5	White	Loss	Tanaka Shingo	2199.26
6	White	Win	Sakaue Ryota	1674.40
7	White	Win	Saito Masashi	2051.56
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2007.44
Round	Color	Result	Opponent
A1	White	Win	Fujikawa Masaki	2078.50
A2	White	Draw	Ozawa Tetsushi	2083.32
A3	White	Loss	Tanizaki Ryusuke	2128.88
A4	White	Loss	Maruta Hiroki	2080.28
A5	Black	Win	Kuramoto Hideharu	1899.70
9th Kanto Renju Emperor Tournament, 2nd round
Date	2008-11-16		Rating	1999.26
Round	Color	Result	Opponent
	White	Loss	Nakamura Shigeru	2857.85
	White	Loss	Okabe Hiroshi	2681.84
	White	Loss	Sato Kiyotomi	2449.32
	White	Loss	Kudomi Takahiro	2353.81
	White	Loss	Nakayama Tomoharu	2287.06
40th Kyoto Classified Tournament - group 1
Date	2008-11-09		Rating	1998.64
Round	Color	Result	Opponent
1	Black	Win	Nishimura Koichi	1869.75
2	Black	Loss	Ozawa Tetsushi	2080.70
3	Black	Loss	Kamei Shigeo	1755.40
5	White	Draw	Okuda Shingo	1944.86
6	White	Win	Kamatani Teruhiro	1580.14
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	1998.74
Round	Color	Result	Opponent
1	White	Win	Shinoda Masaki	1622.81
2	Black	Loss	Mitsumori Masao	2327.22
3	White	Win	Iwano Fumio	2165.87
4	Black	Win	Kuramoto Hideharu	1905.78
7th 6-7 dan Tournament
Date	2008-09-28		Rating	1995.61
Round	Color	Result	Opponent
1	White	Loss	Maruyama Yasushi	2231.29
2	Black	Loss	Kobayashi Koichi	2107.28
3	White	Loss	Tanno Yoshitaka	2117.15
4	Black	Loss	Gakumazawa Hideaki	2177.00
6	White	Win	Suzuki Junichiro	1881.30
25th Kanto Championship
Date	2008-05-18		Rating	1992.61
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2857.19
2	Black	Win	Iwano Fumio	2182.07
3	Black	Win	Kudomi Takahiro	2335.38
4	White	Loss	Mitsumori Masao	2307.71
5	Black	Loss	Isobe Taizan	2423.47
25th Kanto Shineisen Tournament
Date	2008-04-13		Rating	1986.36
Round	Color	Result	Opponent
1	Black	Loss	Matsuoka Teruo	1876.79
2	White	Win	Takeuchi Yuuta	1851.71
3	Black	Loss	Fujikawa Masaki	2102.18
4	Black	Win	Harada Motochika	1788.78
5	Black	Loss	Watanabe Tatsuya	2154.58
3rd All Japan Championship
Date	2008-03-23		Rating	1984.27
Round	Color	Result	Opponent
1	White	Loss	Ono Takayuki	2394.08
2	White	Win	Maruta Koji	2082.52
3	Black	Draw	Tanizaki Ryusuke	2119.93
4	Black	Loss	Sato Kiyotomi	2414.24
5	White	Loss	Fujikawa Masaki	2104.93
6	White	Win	Tadokoro Hosai	1925.06
11th Mikami Cup Tournament, A-Class
Date	2008-01-20		Rating	1972.80
Round	Color	Result	Opponent
1	Black	Win	Matsuoka Teruo	1874.39
2	White	Loss	Iwano Fumio	2185.52
3	Black	Loss	Kuramoto Hideharu	1915.08
4	White	Loss	Tamada Yoichi	2188.90
5	White	Loss	Ozawa Tetsushi	2032.02
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	1967.22
Round	Color	Result	Opponent
1	Black	Loss	Suzuki Rin	1955.38
2	White	Win	Tanji Hiroki	1934.68
3	Black	Loss	Nakayama Tomoharu	2201.32
4	Black	Loss	Maruta Hiroki	2027.17
5	White	Loss	Watanabe Tatsuya	2138.15
6dan 7dan Tournament
Date	2007-10-08		Rating	1967.80
Round	Color	Result	Opponent
1	White	Loss	Ono Takayuki	2374.12
2	White	Win	Kubo Izumi	2079.84
3	White	Loss	Gakumazawa Hideaki	2179.01
4	White	Win	Tadokoro Hosai	1931.37
5	White	Loss	Miyagawa Junzo	2267.64
6	Black	Loss	Sato Kiyotomi	2399.66
47 Suiseisen Tournament 1st round
Date	2007-09-23		Rating	1967.54
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2111.47
2	Black	Loss	Watanabe Yoko	2056.82
3	Black	Win	Maruta Hiroki	2025.29
4	White	Win	Matsuoka Teruo	1871.57
24th Kanto Shineisen Tournament
Date	2007-04-15		Rating	1959.96
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1875.81
2	Black	Loss	Teshima Masakatsu	1951.48
3	Black	Win	Tanji Hiroki	1901.42
4	Black	Loss	Tamada Yoichi	2123.42
5	White	Loss	Ozawa Tetsushi	2013.56
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	1962.28
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2283.22
2	Black	Loss	Oosumi Yuuki	2506.14
3	Black	Loss	Maruta Hiroki	2023.08
4	Black	Loss	Tanizaki Ryusuke	2138.63
5	White	Loss	Ishitani Shin-ichi	2379.89
6	Black	Loss	Kuramoto Hideharu	1886.68
10th Mikami Cup Tournament, A-class
Date	2007-01-28		Rating	1978.09
Round	Color	Result	Opponent
1	White	Win	Watanabe Tatsuya	2121.94
2	Black	Win	Maruta Hiroki	2019.87
3	White	Loss	Iwano Fumio	2141.92
4	Black	Loss	Kobayashi Koichi	2097.23
5	White	Loss	Matsuoka Teruo	1873.40
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2007.81
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Jyunko	1813.86
2	White	Win	Abiko Setsuko	2035.32
3	White	Draw	Isobe Taizan	2413.27
4	Black	Loss	Mitsumori Masao	2245.50
5	White	Loss	Kudomi Takahiro	2289.82
23rd Kanto Shinei Tournament
Date	2006-09-10		Rating	2014.49
Round	Color	Result	Opponent
1	White	Win	Kamemoto Daichi	2196.08
2	Black	Loss	Iwano Fumio	2109.14
3	White	Draw	Watanabe Yoko	2030.02
4	Black	Loss	Tanizaki Ryusuke	2125.44
5	White	Loss	Maruta Hiroki	2001.79
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2034.90
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2251.55
2	Black	Loss	Nagao Noriaki	2233.21
3	Black	Win	Hara Masao	2082.24
4	Black	Draw	Kubo Izumi	2103.85
23rd Kanto Championship
Date	2006-05-21		Rating	2041.07
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2256.95
2	Black	Draw	Iwano Fumio	2093.71
3	White	Loss	Tomobe Katsuhiro	2089.91
4	Black	Loss	Nagao Noriaki	2226.73
5	Black	Win	Fujikawa Masaki	2029.51
46th Suisei-sen tournament final round
Date	2006-04-16		Rating	2050.16
Round	Color	Result	Opponent
	White	Win	Itami Yoshiyuki	2156.37
	White	Draw	Nagao Noriaki	2219.95
	Black	Loss	Hara Masao	2076.34
	Black	Win	Koyama Jun	2327.52
	Black	Loss	Ono Takayuki	2303.18
1st All Japan Championship
Date	2006-03-26		Rating	2053.15
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2492.53
2	Black	Loss	Oosumi Yuuki	2419.36
3	White	Loss	Mitsumori Masao	2259.43
4	Black	Draw	Kudomi Takahiro	2281.73
5	White	Loss	Maruta Koji	2124.82
6	White	Win	Nagao Noriaki	2219.95
46th Suisei-sen Tournament - 1st round
Date	2006-03-12		Rating	2053.28
Round	Color	Result	Opponent
1	Black	Loss	Kamemoto Daichi	2188.53
2	White	Win	Tanizaki Ryusuke	2109.79
3	Black	Win	Iwano Fumio	2078.02
4	White	Win	Watanabe Tatsuya	2131.35
9th Mikami Cup - A Class
Date	2006-01-29		Rating	2047.09
Round	Color	Result	Opponent
1	White	Loss	Watanabe Tatsuya	2132.29
2	White	Win	Matsuoka Teruo	1823.56
3	Black	Win	Oonuma Nobuhiro	1841.49
4	White	Win	Kamemoto Daichi	2183.55
5	White	Loss	Oosumi Yuuki	2413.73
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2025.34
Round	Color	Result	Opponent
1	Black	Loss	Teshima Masakatsu	1956.53
2	White	Loss	Yamauchi Takahiro	2033.98
3	White	Win	Yoda Tsuyoshi	1701.31
4	White	Loss	Tanizaki Ryusuke	2102.59
22nd Kanto Shineisen Tournament
Date	2005-09-11		Rating	2022.45
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2073.83
2	White	Win	Nakata Shinsuke	1959.25
3	White	Loss	Sasaki Miyu	1943.82
4	Black	Loss	Tanizaki Ryusuke	2097.60
5	Black	Win	Ishizaki Masatoshi	1895.80
Japan WC Qualification tournament
Date	2005-04-03		Rating	2023.53
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2385.54
2	White	Draw	Ono Takayuki	2294.14
3	Black	Loss	Miyagawa Junzo	2252.22
4	White	Loss	Oosumi Yuuki	2368.50
5	White	Loss	Maruta Koji	2161.28
6	Black	Win	Hara Masao	2052.54
45th Suisei-sen Tournament
Date	2005-03-20		Rating	2021.89
Round	Color	Result	Opponent
1	Black	Loss	Matsuoka Teruo	1873.77
2	White	Win	Tanizaki Ryusuke	2070.26
3	Black	Loss	Sasaki Miyu	1961.73
4	White	Loss	Tomobe Katsuhiro	2039.35
8th Mikami Cup - A Class
Date	2005-01-23		Rating	2022.76
Round	Color	Result	Opponent
1	Black	Win	Sasaki Miyu	1957.09
2	Black	Draw	Hara Masao	2058.50
3	White	Loss	Koyama Jun	2254.14
4	White	Win	Arita Nobuyoshi	2284.73
5	White	Loss	Sato Takuma	2177.08
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2018.80
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1886.24
2	White	Win	Itami Yoshiyuki	2162.64
3	White	Loss	Tomobe Katsuhiro	2029.56
4	Black	Loss	Watanabe Tatsuya	2081.74
21st Kanto Shineisen Tournament
Date	2004-09-12		Rating	2020.89
Round	Color	Result	Opponent
1	Black	Loss	Itami Yoshiyuki	2156.17
2	Black	Win	Maruta Hiroki	1952.92
3	White	Loss	Tashiro Yuichi	2286.50
4	White	Loss	Sasaki Miyu	1955.19
5	Black	Win	Iwano Fumio	2025.82
7th Mikami Cup - A class
Date	2004-01-25		Rating	2031.67
Round	Color	Result	Opponent
1	White	Win	Sasaki Miyu	1936.40
2	White	Loss	Arita Nobuyoshi	2235.17
3	Black	Loss	Sato Koichi	1996.78
4	Black	Win	Uchiyama Yasuhiko	1825.10
5	Black	Loss	Miyagawa Sou	2105.27
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2039.47
Round	Color	Result	Opponent
1	Black	Win	Oosaku Kazuyuki	1847.06
2	Black	Loss	Isobe Taizan	2421.21
3	White	Loss	Itami Yoshiyuki	2152.70
4	White	Win	Yamauchi Yasuhiro	1804.56
20th Kanto Shineisen Tournament
Date	2003-09-21		Rating	2045.64
Round	Color	Result	Opponent
1	Black	Win	Koyama Jun	2166.18
2	Black	Loss	Arita Nobuyoshi	2215.54
3	Black	Loss	Sato Kiyotomi	2305.81
4	Black	Loss	Tadokoro Hosai	1985.46
5	Black	Win	Sato Koichi	1965.17
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2097.47
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2453.31
2	White	Win	Maruta Koji	2207.16
3	White	Loss	Isobe Taizan	2447.47
4	Black	Win	Arita Nobuyoshi	2155.22
Kanto Championship
Date	2000-05-14		Rating	2053.93
Round	Color	Result	Opponent
1	White	Win	Suzuki Naoya	2167.26
2	White	Loss	Sunagawa Shouki	2214.53
3	White	Loss	Nara Hideki	2563.94
4	White	Loss	Maruta Koji	2207.72
36 Suiseisen Tournament 1st round
Date	1996-03-01		Rating	1959.42
Round	Color	Result	Opponent
4	White	Loss	Aihara Hiroshi	2040.94