Kato Yasuhiro (加藤康弘)

Place: Tokyo, Japan

Rating: 2011.68, Std: 146.01, Rank: 727

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

Top rating: 2144.62 (2013-05-12)

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

Gy1: 3, Gy2: 6, Gy5: 19

18th All Japan Championship
Date	2024-02-12		Rating	2011.68
Round	Color	Result	Opponent
4	Black	Loss	Okabe Hiroshi	2669.45
5	Black	Loss	Toyo Koryu	2200.78
6	White	Loss	Tanaka Shotaro	2298.78
39 Kanto Championship
Date	2022-07-31		Rating	2038.78
Round	Color	Result	Opponent
4	White	Win	Kasahara Reiko	1661.56
5	Black	Win	Li Haoyang	1951.18
6	Black	Loss	Okabe Hiroshi	2681.72
22 Renju Emperor Tournament Kanto area 1st round
Date	2021-11-21		Rating	2038.22
Round	Color	Result	Opponent
1	White	Loss	Tanaka Shotaro	2274.55
2	White	Loss	Kato Shota	2022.66
3	Black	Loss	Tomobe Katsuhiro	2114.82
4	White	Win	Kasahara Reiko	1668.67
38 Kanto Championship
Date	2021-08-08		Rating	2049.79
Round	Color	Result	Opponent
4	White	Win	Okada Akihiro	1868.48
5	Black	Win	Li Haoyang	1926.86
6	White	Loss	Kamiya Shunsuke	2839.53
37 Kanto Championship
Date	2020-08-10		Rating	2066.38
Round	Color	Result	Opponent
1	White	Win	Kasahara Reiko	1686.56
2	White	Loss	Okabe Hiroshi	2722.58
3	White	Loss	Maruta Hiroki	2232.27
4	Black	Win	Shimura Hiroki	1949.28
5	White	Win	Maruta Koji	2104.37
6	White	Draw	Kawaai Hitoshi	1997.07
33 Kanto Championship
Date	2016-07-31		Rating	2036.52
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2618.22
2	Black	Win	Nakamura Souta	2270.08
3	Black	Loss	Maruta Koji	2172.46
4	Black	Win	Cho Enkun	1648.96
5	White	Loss	Ishitani Shin-ichi	2381.93
6	White	Loss	Fujikawa Masaki	2098.96
11th All Japan Championship
Date	2016-01-11		Rating	2032.17
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2532.53
2	White	Loss	Kudomi Takahiro	2187.33
3	Black	Loss	Nishida Toshio	2076.25
4	White	Loss	Maruta Hiroki	2117.21
5	Black	Loss	Maruta Koji	2187.89
6	Black	Win	Chigira Makoto	2023.90
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2037.04
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2711.37
2	Black	Loss	Nakamura Souta	2291.82
3	White	Loss	Maruta Hiroki	2117.70
4	White	Win	Hashimoto Takuya	2010.56
Kanto Championship
Date	2015-07-20		Rating	2048.84
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2394.56
2	Black	Loss	Iwano Fumio	2246.46
3	Black	Win	Kudomi Takahiro	2211.85
4	Black	Win	Tanizaki Ryusuke	2179.28
5	White	Loss	Maruta Koji	2199.78
6	Black	Loss	Maruta Hiroki	2099.65
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2053.48
Round	Color	Result	Opponent
1	White	Loss	Nakamura Souta	2287.99
2	White	Loss	Ono Takayuki	2324.60
3	White	Loss	Tanizaki Ryusuke	2190.51
4	Black	Win	Chigira Makoto	1998.74
10th All Japan Championship
Date	2015-03-29		Rating	2057.48
Round	Color	Result	Opponent
1	White	Loss	Tachi Masaya	2476.35
2	Black	Win	Inoue Fumiya	2236.80
3	White	Loss	Koyama Jun	2601.58
4	Black	Loss	Nagao Noriaki	2274.04
5	White	Loss	Kubo Izumi	2079.96
6	Black	Loss	Kim Chang-Su	2082.11
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2081.44
Round	Color	Result	Opponent
1	White	Win	Nakamura Souta	2222.63
2	White	Loss	Okabe Hiroshi	2742.76
3	White	Loss	Iwano Fumio	2252.31
4	Black	Win	Tomobe Katsuhiro	2086.20
1st Senior Masters Championship
Date	2014-08-29		Rating	2084.62
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2427.53
2	Black	Win	Kobayashi Koichi	2247.09
3	White	Loss	Kubo Izumi	2084.90
4	White	Win	Miura Hitoshi	1799.29
5	White	Loss	Miyagawa Junzo	2214.91
6	Black	Loss	Ishitani Shin-ichi	2447.68
7	Black	Loss	Mitsumori Masao	2333.17
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2092.46
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2317.84
2	White	Loss	Iwano Fumio	2257.91
3	Black	Loss	Tamura Kazumasa	2513.61
4	White	Loss	Tada Ayako	2310.37
31th Kanto Championship
Date	2014-05-11		Rating	2097.61
Round	Color	Result	Opponent
2	Black	Loss	Iwano Fumio	2257.23
3	White	Win	Nakamura Souta	2149.14
4	Black	Loss	Sato Kiyotomi	2466.51
5	White	Win	Maruta Hiroki	2099.06
9th All Japan Championship
Date	2014-01-26		Rating	2108.95
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2526.93
2	Black	Loss	Kamiya Shunsuke	2578.90
3	Black	Loss	Mano Yoshihisa	2311.41
4	White	Loss	Sato Kiyotomi	2459.70
6	Black	Loss	Kon Akira	1985.12
11th Middle-dan players Tournament
Date	2013-08-17		Rating	2129.53
Round	Color	Result	Opponent
1	Black	Loss	Fukui Nobuhiro	2592.11
2	White	Win	Maruta Koji	2170.73
3	White	Loss	Kashihara Akihiko	2337.01
4	White	Win	Miyagawa Junzo	2215.28
5	Black	Loss	Mano Yoshihisa	2310.01
6	White	Loss	Kubo Izumi	2089.34
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2132.78
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2464.08
2	White	Loss	Kudomi Takahiro	2385.51
3	Black	Loss	Mitsumori Masao	2328.57
4	White	Loss	Kamiya Shunsuke	2546.04
5	White	Loss	Tomobe Katsuhiro	2149.49
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2141.35
Round	Color	Result	Opponent
1	Black	Win	Mitsumori Masao	2329.79
2	White	Win	Isobe Taizan	2388.93
3	Black	Draw	Maruta Hiroki	2137.33
4	White	Loss	Kudomi Takahiro	2399.25
29th Kanto Championship
Date	2013-05-12		Rating	2144.62
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2862.11
2	White	Win	Iwano Fumio	2178.49
3	Black	Win	Tomobe Katsuhiro	2155.94
4	White	Loss	Kudomi Takahiro	2408.32
5	Black	Win	Mitsumori Masao	2331.27
8th All Japan Championship
Date	2013-03-24		Rating	2140.41
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2372.45
2	White	Win	Miyagawa Junzo	2215.36
3	Black	Loss	Mitsumori Masao	2336.07
4	White	Loss	Tada Ayako	2285.48
5	Black	Win	Tomobe Katsuhiro	2158.94
6	Black	Loss	Kubo Izumi	2087.29
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2136.38
Round	Color	Result	Opponent
A1	White	Win	Fujikawa Masaki	2025.95
A2	White	Win	Ozawa Tetsushi	2047.38
A3	Black	Win	Tomobe Katsuhiro	2173.44
A4	White	Win	Tanizaki Ryusuke	2126.60
A5	White	Win	Iwano Fumio	2151.76
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2107.50
Round	Color	Result	Opponent
1	Black	Loss	Mitsumori Masao	2343.76
2	Black	Win	Higuchi Fumiya	1602.49
3	White	Loss	Isobe Taizan	2408.14
4	White	Loss	Sato Kiyotomi	2403.33
52 Suiseisen Tournament 1st round
Date	2012-09-23		Rating	2100.04
Round	Color	Result	Opponent
1	White	Loss	Tada Ayako	2298.64
2	Black	Win	Higuchi Fumiya	1603.85
3	Black	Loss	Tomobe Katsuhiro	2191.09
4	White	Loss	Iwano Fumio	2141.88
10th Middle-dan players Tournament
Date	2012-08-26		Rating	2095.68
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2209.83
2	Black	Loss	Ono Takayuki	2431.24
3	Black	Loss	Kobayashi Koichi	2229.95
4	White	Loss	Kubo Izumi	2087.07
5	White	Win	Suzuki Junichiro	1915.57
6	White	Win	Mano Yoshihisa	2250.29
29th Kanto Championship
Date	2012-05-13		Rating	2071.47
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2363.10
2	White	Loss	Iwano Fumio	2128.32
3	Black	Loss	Matsuoka Teruo	2014.70
4	Black	Draw	Maruta Hiroki	2085.31
5	Black	Loss	Tada Ayako	2281.06
29th Kanto Shineisen Tournament
Date	2012-04-15		Rating	2069.27
Round	Color	Result	Opponent
1	White	Win	Kon Akira	2007.69
2	White	Win	Tomobe Katsuhiro	2200.63
3	White	Loss	Iwano Fumio	2123.80
4	Black	Loss	Maruta Hiroki	2082.91
5	Black	Loss	Matsuoka Teruo	2011.77
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2068.04
Round	Color	Result	Opponent
A1	White	Loss	Tada Ayako	2273.15
A2	White	Win	Iwano Fumio	2118.33
A3	White	Loss	Fukui Nobuhiro	2490.72
A4	White	Loss	Kon Akira	2010.43
A5	White	Loss	Nakayama Tomoharu	2607.82
7th All Japan Championship
Date	2012-01-29		Rating	2068.29
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2422.46
2	White	Loss	Fukui Nobuhiro	2484.42
3	Black	Win	Matsuoka Teruo	2003.92
4	White	Loss	Kubo Izumi	2095.24
5	White	Win	Maruta Hiroki	2082.12
6	Black	Loss	Kobayashi Koichi	2206.63
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2069.33
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2703.14
2	Black	Loss	Tada Ayako	2251.11
3	Black	Win	Maruta Hiroki	2082.16
4	White	Loss	Kobayashi Koichi	2185.71
51 Suiseisen Tournament Final round
Date	2011-10-09		Rating	2069.65
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2085.26
2	White	Loss	Nakayama Tomoharu	2581.93
3	White	Loss	Kawano Takahisa	2355.34
4	White	Draw	Tada Ayako	2249.53
5	White	Loss	Kamiya Shunsuke	2436.65
51 Suiseisen Tournament
Date	2011-09-11		Rating	2072.01
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1985.47
2	White	Win	Tada Ayako	2245.42
3	White	Loss	Kamiya Shunsuke	2431.35
4	White	Win	Maruta Hiroki	2091.91
28th Kanto Championship
Date	2011-05-22		Rating	2062.49
Round	Color	Result	Opponent
1	White	Draw	Oosumi Yuuki	2736.39
2	White	Loss	Tamada Yoichi	2504.58
3	White	Loss	Kamiya Shunsuke	2412.97
4	Black	Loss	Nakayama Tomoharu	2543.40
5	Black	Win	Maruta Hiroki	2107.52
28th Kanto Shineisen Tournament
Date	2011-04-17		Rating	2056.42
Round	Color	Result	Opponent
1	White	Loss	Iwano Fumio	2128.45
2	Black	Loss	Maruta Hiroki	2116.55
3	White	Loss	Arai Kazumi	2363.27
4	Black	Win	Kato Hiroaki	1732.11
5	White	Loss	Matsuoka Teruo	1997.94
3rd Tohoku Championship
Date	2011-02-27		Rating	2055.59
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2511.34
2	Black	Loss	Miyagawa Sou	2119.03
3	Black	Win	Yamamoto Harue	1683.77
4	Black	Loss	Tanno Yoshitaka	2098.34
5	Black	Win	Sato Ryota	1475.92
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2057.53
Round	Color	Result	Opponent
A1	White	Loss	Iwano Fumio	2128.74
A2	Black	Loss	Kise Katsumi	2517.62
A3	White	Loss	Ozawa Tetsushi	2090.33
A4	White	Win	Shimoyama Takuma	2222.36
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2065.84
Round	Color	Result	Opponent
1	White	Loss	Nakayama Tomoharu	2517.01
1	White	Loss	Maruta Koji	2107.50
3	White	Win	Matsuoka Teruo	1975.80
4	White	Loss	Shimoyama Takuma	2238.19
50 Suiseisen Tournament
Date	2010-09-12		Rating	2072.52
Round	Color	Result	Opponent
1	White	Win	Fukui Nobuhiro	2331.39
2	White	Loss	Kamiya Shunsuke	2362.13
3	White	Win	Iwano Fumio	2114.53
4	White	Loss	Tada Ayako	2197.25
9th Middle-dan Players Tournament
Date	2010-08-29		Rating	2073.05
Round	Color	Result	Opponent
1	Black	Loss	Matsuo Toshiko	1955.72
2	White	Loss	Kubo Izumi	2106.85
3	Black	Win	Suzuki Junichiro	1915.12
4	Black	Loss	Ono Takayuki	2385.22
5	White	Loss	Ozawa Tetsushi	2084.33
6	White	Win	Yasumoto Yoshinobu	1976.66
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2083.03
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2300.34
2	Black	Loss	Ono Takayuki	2389.04
3	White	Loss	Tada Ayako	2191.19
4	Black	Draw	Tanno Yoshitaka	2083.80
27th Kanto Championship
Date	2010-05-23		Rating	2091.37
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2581.58
2	White	Draw	Tada Ayako	2187.62
3	Black	Win	Maruta Hiroki	2079.11
4	Black	Win	Tomobe Katsuhiro	2205.71
5	Black	Loss	Tamura Kazumasa	2509.44
27th Kanto Shineisen Tournament
Date	2010-04-04		Rating	2096.85
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1974.33
2	White	Win	Takagi Tomoyuki	2173.55
3	White	Win	Fukui Nobuhiro	2310.91
4	White	Loss	Arai Kazumi	2308.95
5	Black	Win	Maruta Hiroki	2080.65
43 Touryumonsen Tournament
Date	2010-03-28		Rating	2096.88
Round	Color	Result	Opponent
1	White	Win	Ozawa Tetsushi	2062.60
2	Black	Win	Kawasaki Nobuhiko	2177.27
3	White	Win	Kon Akira	1974.79
4	White	Loss	Tada Ayako	2176.24
5	Black	Loss	Fukui Nobuhiro	2311.20
5th All Japan Championship
Date	2010-03-21		Rating	2096.31
Round	Color	Result	Opponent
1	Black	Loss	Tamura Kazumasa	2511.34
2	Black	Win	Miyoshi Takeo	2108.51
3	White	Loss	Ono Takayuki	2383.71
4	Black	Loss	Iwano Fumio	2114.60
5	White	Loss	Miyagawa Sou	2129.94
6	White	Win	Fujikawa Masaki	2031.98
2nd Tohoku Championship
Date	2010-03-14		Rating	2095.92
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2394.00
2	Black	Win	Hirono Masakazu	1966.70
3	Black	Draw	Kusajima Masato	2166.34
4	Black	Win	Miyagawa Sou	2130.28
5	Black	Loss	Tamada Yoichi	2443.87
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2085.68
Round	Color	Result	Opponent
A1	Black	Win	Iwano Fumio	2121.43
A2	Black	Win	Matsuoka Teruo	1963.52
A3	White	Loss	Tamada Yoichi	2432.74
A4	White	Loss	Fujikawa Masaki	2042.88
A5	White	Loss	Shimoyama Takuma	2261.37
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2065.81
Round	Color	Result	Opponent
A1	White	Loss	Tanaka Shingo	2200.14
A2	White	Loss	Tamada Yoichi	2404.21
A3	White	Win	Okuda Shingo	1938.22
A4	White	Win	Ozawa Tetsushi	2059.87
A5	White	Win	Saito Masashi	2078.79
A6	White	Loss	Suzuki Rin	1954.50
49 Suiseisen Tournament Final round
Date	2009-10-25		Rating	2062.13
Round	Color	Result	Opponent
1	White	Win	Tanji Hiroki	2049.58
2	Black	Loss	Shimoyama Takuma	2252.20
3	Black	Loss	Tashiro Yuichi	2285.62
4	White	Loss	Tamada Yoichi	2399.40
5	White	Win	Maruta Hiroki	2091.36
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2055.59
Round	Color	Result	Opponent
1	White	Loss	Fukui Nobuhiro	2315.63
2	White	Loss	Tada Ayako	2140.02
3	Black	Win	Matsuoka Teruo	1927.16
4	White	Loss	Tanji Hiroki	2050.82
49 Suiseisen Tournament 1st round
Date	2009-09-06		Rating	2049.21
Round	Color	Result	Opponent
1	Black	Loss	Tanji Hiroki	2049.65
2	White	Win	Fujikawa Masaki	2049.35
3	White	Win	Takeuchi Shunsuke	1955.88
4	Black	Win	Kawasaki Nobuhiko	2132.48
8th Middle-dan Players Tournament
Date	2009-08-30		Rating	2046.85
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2259.60
2	Black	Loss	Miyagawa Junzo	2199.75
3	Black	Loss	Kobayashi Koichi	2129.03
4	White	Loss	Kubo Izumi	2111.61
5	White	Loss	Ono Takayuki	2400.56
6	White	Loss	Gakumazawa Hideaki	2136.33
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2027.70
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2511.79
2	White	Loss	Shimoyama Takuma	2238.64
4	White	Loss	Nagao Noriaki	2291.97
26th Kanto Championship
Date	2009-05-17		Rating	2022.19
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2854.37
2	White	Loss	Ono Takayuki	2406.88
3	White	Loss	Shimoyama Takuma	2235.28
4	Black	Win	Suzuki Rin	1943.96
5	White	Loss	Maruta Koji	2106.09
26th Kanto Shineisen Tournament
Date	2009-04-05		Rating	2015.44
Round	Color	Result	Opponent
1	White	Win	Tanji Hiroki	2032.21
2	White	Loss	Watanabe Tatsuya	2167.38
3	Black	Win	Kon Akira	1956.80
4	White	Loss	Fujikawa Masaki	2066.75
5	White	Loss	Shimoyama Takuma	2229.78
4th All Japan Championship
Date	2009-03-21		Rating	2013.04
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2411.00
2	White	Loss	Tamada Yoichi	2294.98
3	White	Win	Suzuki Rin	1950.16
4	Black	Loss	Sakamoto Suzan	2291.38
5	White	Loss	Kobayashi Koichi	2115.07
6	Black	Win	Fujikawa Masaki	2066.16
42nd Touryumonsen Tournament
Date	2009-03-15		Rating	2011.95
Round	Color	Result	Opponent
1	White	Loss	Ozawa Tetsushi	2083.44
3	White	Loss	Kon Akira	1956.52
4	Black	Loss	Yoshikawa Hiromasa	2196.71
5	White	Loss	Tanaka Shingo	2198.58
6	White	Win	Sakaue Ryota	1674.01
7	White	Win	Saito Masashi	2050.99
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2006.74
Round	Color	Result	Opponent
A1	White	Win	Fujikawa Masaki	2077.80
A2	White	Draw	Ozawa Tetsushi	2082.67
A3	White	Loss	Tanizaki Ryusuke	2128.16
A4	White	Loss	Maruta Hiroki	2079.58
A5	Black	Win	Kuramoto Hideharu	1899.03
9th Kanto Renju Emperor Tournament, 2nd round
Date	2008-11-16		Rating	1998.58
Round	Color	Result	Opponent
	White	Loss	Nakamura Shigeru	2857.10
	White	Loss	Okabe Hiroshi	2681.14
	White	Loss	Sato Kiyotomi	2448.61
	White	Loss	Kudomi Takahiro	2353.12
	White	Loss	Nakayama Tomoharu	2286.31
40th Kyoto Classified Tournament - group 1
Date	2008-11-09		Rating	1997.96
Round	Color	Result	Opponent
1	Black	Win	Nishimura Koichi	1869.28
2	Black	Loss	Ozawa Tetsushi	2080.07
3	Black	Loss	Kamei Shigeo	1754.86
5	White	Draw	Okuda Shingo	1944.27
6	White	Win	Kamatani Teruhiro	1579.74
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	1998.06
Round	Color	Result	Opponent
1	White	Win	Shinoda Masaki	1622.47
2	Black	Loss	Mitsumori Masao	2326.53
3	White	Win	Iwano Fumio	2165.18
4	Black	Win	Kuramoto Hideharu	1905.12
7th 6-7 dan Tournament
Date	2008-09-28		Rating	1994.94
Round	Color	Result	Opponent
1	White	Loss	Maruyama Yasushi	2230.60
2	Black	Loss	Kobayashi Koichi	2106.55
3	White	Loss	Tanno Yoshitaka	2116.20
4	Black	Loss	Gakumazawa Hideaki	2176.11
6	White	Win	Suzuki Junichiro	1880.58
25th Kanto Championship
Date	2008-05-18		Rating	1991.97
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2856.46
2	Black	Win	Iwano Fumio	2181.41
3	Black	Win	Kudomi Takahiro	2334.73
4	White	Loss	Mitsumori Masao	2307.06
5	Black	Loss	Isobe Taizan	2422.81
25th Kanto Shineisen Tournament
Date	2008-04-13		Rating	1985.73
Round	Color	Result	Opponent
1	Black	Loss	Matsuoka Teruo	1876.14
2	White	Win	Takeuchi Yuuta	1851.14
3	Black	Loss	Fujikawa Masaki	2101.55
4	Black	Win	Harada Motochika	1788.27
5	Black	Loss	Watanabe Tatsuya	2153.97
3rd All Japan Championship
Date	2008-03-23		Rating	1983.64
Round	Color	Result	Opponent
1	White	Loss	Ono Takayuki	2393.43
2	White	Win	Maruta Koji	2081.86
3	Black	Draw	Tanizaki Ryusuke	2119.28
4	Black	Loss	Sato Kiyotomi	2413.60
5	White	Loss	Fujikawa Masaki	2104.30
6	White	Win	Tadokoro Hosai	1924.45
11th Mikami Cup Tournament, A-Class
Date	2008-01-20		Rating	1972.19
Round	Color	Result	Opponent
1	Black	Win	Matsuoka Teruo	1873.76
2	White	Loss	Iwano Fumio	2184.89
3	Black	Loss	Kuramoto Hideharu	1914.48
4	White	Loss	Tamada Yoichi	2188.24
5	White	Loss	Ozawa Tetsushi	2031.48
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	1966.62
Round	Color	Result	Opponent
1	Black	Loss	Suzuki Rin	1954.77
2	White	Win	Tanji Hiroki	1934.09
3	Black	Loss	Nakayama Tomoharu	2200.65
4	Black	Loss	Maruta Hiroki	2026.58
5	White	Loss	Watanabe Tatsuya	2137.57
6dan 7dan Tournament
Date	2007-10-08		Rating	1967.21
Round	Color	Result	Opponent
1	White	Loss	Ono Takayuki	2373.51
2	White	Win	Kubo Izumi	2079.27
3	White	Loss	Gakumazawa Hideaki	2178.25
4	White	Win	Tadokoro Hosai	1930.80
5	White	Loss	Miyagawa Junzo	2267.09
6	Black	Loss	Sato Kiyotomi	2399.06
47 Suiseisen Tournament 1st round
Date	2007-09-23		Rating	1966.96
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2110.88
2	Black	Loss	Watanabe Yoko	2056.26
3	Black	Win	Maruta Hiroki	2024.71
4	White	Win	Matsuoka Teruo	1870.96
24th Kanto Shineisen Tournament
Date	2007-04-15		Rating	1959.41
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1875.24
2	Black	Loss	Teshima Masakatsu	1950.99
3	Black	Win	Tanji Hiroki	1900.86
4	Black	Loss	Tamada Yoichi	2122.82
5	White	Loss	Ozawa Tetsushi	2013.06
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	1961.74
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2282.69
2	Black	Loss	Oosumi Yuuki	2505.62
3	Black	Loss	Maruta Hiroki	2022.53
4	Black	Loss	Tanizaki Ryusuke	2138.07
5	White	Loss	Ishitani Shin-ichi	2379.39
6	Black	Loss	Kuramoto Hideharu	1886.15
10th Mikami Cup Tournament, A-class
Date	2007-01-28		Rating	1977.56
Round	Color	Result	Opponent
1	White	Win	Watanabe Tatsuya	2121.42
2	Black	Win	Maruta Hiroki	2019.33
3	White	Loss	Iwano Fumio	2141.38
4	Black	Loss	Kobayashi Koichi	2096.66
5	White	Loss	Matsuoka Teruo	1872.84
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2007.31
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Jyunko	1813.32
2	White	Win	Abiko Setsuko	2035.01
3	White	Draw	Isobe Taizan	2412.75
4	Black	Loss	Mitsumori Masao	2245.03
5	White	Loss	Kudomi Takahiro	2289.34
23rd Kanto Shinei Tournament
Date	2006-09-10		Rating	2013.99
Round	Color	Result	Opponent
1	White	Win	Kamemoto Daichi	2195.63
2	Black	Loss	Iwano Fumio	2108.62
3	White	Draw	Watanabe Yoko	2029.50
4	Black	Loss	Tanizaki Ryusuke	2124.92
5	White	Loss	Maruta Hiroki	2001.28
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2034.42
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2251.11
2	Black	Loss	Nagao Noriaki	2232.74
3	Black	Win	Hara Masao	2081.76
4	Black	Draw	Kubo Izumi	2103.41
23rd Kanto Championship
Date	2006-05-21		Rating	2040.60
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2256.52
2	Black	Draw	Iwano Fumio	2093.21
3	White	Loss	Tomobe Katsuhiro	2089.43
4	Black	Loss	Nagao Noriaki	2226.27
5	Black	Win	Fujikawa Masaki	2029.02
46th Suisei-sen tournament final round
Date	2006-04-16		Rating	2049.69
Round	Color	Result	Opponent
	White	Win	Itami Yoshiyuki	2155.95
	White	Draw	Nagao Noriaki	2219.49
	Black	Loss	Hara Masao	2075.88
	Black	Win	Koyama Jun	2327.04
	Black	Loss	Ono Takayuki	2302.73
1st All Japan Championship
Date	2006-03-26		Rating	2052.69
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2492.16
2	Black	Loss	Oosumi Yuuki	2418.96
3	White	Loss	Mitsumori Masao	2259.01
4	Black	Draw	Kudomi Takahiro	2281.31
5	White	Loss	Maruta Koji	2124.33
6	White	Win	Nagao Noriaki	2219.50
46th Suisei-sen Tournament - 1st round
Date	2006-03-12		Rating	2052.82
Round	Color	Result	Opponent
1	Black	Loss	Kamemoto Daichi	2188.09
2	White	Win	Tanizaki Ryusuke	2109.30
3	Black	Win	Iwano Fumio	2077.53
4	White	Win	Watanabe Tatsuya	2130.89
9th Mikami Cup - A Class
Date	2006-01-29		Rating	2046.64
Round	Color	Result	Opponent
1	White	Loss	Watanabe Tatsuya	2131.83
2	White	Win	Matsuoka Teruo	1823.06
3	Black	Win	Oonuma Nobuhiro	1841.11
4	White	Win	Kamemoto Daichi	2183.11
5	White	Loss	Oosumi Yuuki	2413.35
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2024.91
Round	Color	Result	Opponent
1	Black	Loss	Teshima Masakatsu	1956.11
2	White	Loss	Yamauchi Takahiro	2033.71
3	White	Win	Yoda Tsuyoshi	1701.06
4	White	Loss	Tanizaki Ryusuke	2102.13
22nd Kanto Shineisen Tournament
Date	2005-09-11		Rating	2022.02
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2073.39
2	White	Win	Nakata Shinsuke	1958.84
3	White	Loss	Sasaki Miyu	1943.43
4	Black	Loss	Tanizaki Ryusuke	2097.14
5	Black	Win	Ishizaki Masatoshi	1895.42
Japan WC Qualification tournament
Date	2005-04-03		Rating	2023.12
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2385.25
2	White	Draw	Ono Takayuki	2293.76
3	Black	Loss	Miyagawa Junzo	2251.89
4	White	Loss	Oosumi Yuuki	2368.18
5	White	Loss	Maruta Koji	2160.85
6	Black	Win	Hara Masao	2052.11
45th Suisei-sen Tournament
Date	2005-03-20		Rating	2021.49
Round	Color	Result	Opponent
1	Black	Loss	Matsuoka Teruo	1873.32
2	White	Win	Tanizaki Ryusuke	2069.82
3	Black	Loss	Sasaki Miyu	1961.37
4	White	Loss	Tomobe Katsuhiro	2038.94
8th Mikami Cup - A Class
Date	2005-01-23		Rating	2022.36
Round	Color	Result	Opponent
1	Black	Win	Sasaki Miyu	1956.73
2	Black	Draw	Hara Masao	2058.09
3	White	Loss	Koyama Jun	2253.73
4	White	Win	Arita Nobuyoshi	2284.33
5	White	Loss	Sato Takuma	2176.73
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2018.41
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1885.80
2	White	Win	Itami Yoshiyuki	2162.27
3	White	Loss	Tomobe Katsuhiro	2029.15
4	Black	Loss	Watanabe Tatsuya	2081.35
21st Kanto Shineisen Tournament
Date	2004-09-12		Rating	2020.51
Round	Color	Result	Opponent
1	Black	Loss	Itami Yoshiyuki	2155.81
2	Black	Win	Maruta Hiroki	1952.52
3	White	Loss	Tashiro Yuichi	2286.14
4	White	Loss	Sasaki Miyu	1954.84
5	Black	Win	Iwano Fumio	2025.40
7th Mikami Cup - A class
Date	2004-01-25		Rating	2031.31
Round	Color	Result	Opponent
1	White	Win	Sasaki Miyu	1936.07
2	White	Loss	Arita Nobuyoshi	2234.83
3	Black	Loss	Sato Koichi	1996.48
4	Black	Win	Uchiyama Yasuhiko	1824.86
5	Black	Loss	Miyagawa Sou	2104.66
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2039.12
Round	Color	Result	Opponent
1	Black	Win	Oosaku Kazuyuki	1846.85
2	Black	Loss	Isobe Taizan	2420.89
3	White	Loss	Itami Yoshiyuki	2152.38
4	White	Win	Yamauchi Yasuhiro	1804.40
20th Kanto Shineisen Tournament
Date	2003-09-21		Rating	2045.29
Round	Color	Result	Opponent
1	Black	Win	Koyama Jun	2165.82
2	Black	Loss	Arita Nobuyoshi	2215.23
3	Black	Loss	Sato Kiyotomi	2305.46
4	Black	Loss	Tadokoro Hosai	1985.14
5	Black	Win	Sato Koichi	1964.88
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2097.16
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2453.48
2	White	Win	Maruta Koji	2206.81
3	White	Loss	Isobe Taizan	2447.09
4	Black	Win	Arita Nobuyoshi	2154.97
Kanto Championship
Date	2000-05-14		Rating	2053.65
Round	Color	Result	Opponent
1	White	Win	Suzuki Naoya	2167.01
2	White	Loss	Sunagawa Shouki	2214.18
3	White	Loss	Nara Hideki	2563.20
4	White	Loss	Maruta Koji	2207.35
36 Suiseisen Tournament 1st round
Date	1996-03-01		Rating	1959.25
Round	Color	Result	Opponent
4	White	Loss	Aihara Hiroshi	2040.88