Kato Yasuhiro (加藤康弘)

Place: Tokyo, Japan

Rating: 2019.39, Std: 158.31, Rank: 721

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

Top rating: 2146.43 (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	2019.39
Round	Color	Result	Opponent
4	Black	Loss	Okabe Hiroshi	2718.86
5	Black	Loss	Toyo Koryu	2199.67
6	White	Loss	Tanaka Shotaro	2281.56
39 Kanto Championship
Date	2022-07-31		Rating	2048.07
Round	Color	Result	Opponent
4	White	Win	Kasahara Reiko	1674.36
5	Black	Win	Li Haoyang	1990.36
6	Black	Loss	Okabe Hiroshi	2691.43
22 Renju Emperor Tournament Kanto area 1st round
Date	2021-11-21		Rating	2047.02
Round	Color	Result	Opponent
1	White	Loss	Tanaka Shotaro	2275.84
2	White	Loss	Kato Shota	2031.23
3	Black	Loss	Tomobe Katsuhiro	2121.21
4	White	Win	Kasahara Reiko	1680.21
38 Kanto Championship
Date	2021-08-08		Rating	2058.49
Round	Color	Result	Opponent
4	White	Win	Okada Akihiro	1878.27
5	Black	Win	Li Haoyang	1959.05
6	White	Loss	Kamiya Shunsuke	2841.89
37 Kanto Championship
Date	2020-08-10		Rating	2073.48
Round	Color	Result	Opponent
1	White	Win	Kasahara Reiko	1696.47
2	White	Loss	Okabe Hiroshi	2726.60
3	White	Loss	Maruta Hiroki	2236.12
4	Black	Win	Shimura Hiroki	1952.86
5	White	Win	Maruta Koji	2107.97
6	White	Draw	Kawaai Hitoshi	2000.88
33 Kanto Championship
Date	2016-07-31		Rating	2039.83
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2620.40
2	Black	Win	Nakamura Souta	2272.36
3	Black	Loss	Maruta Koji	2175.37
4	Black	Win	Cho Enkun	1650.38
5	White	Loss	Ishitani Shin-ichi	2384.44
6	White	Loss	Fujikawa Masaki	2101.67
11th All Japan Championship
Date	2016-01-11		Rating	2035.05
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2534.73
2	White	Loss	Kudomi Takahiro	2189.26
3	Black	Loss	Nishida Toshio	2078.58
4	White	Loss	Maruta Hiroki	2119.78
5	Black	Loss	Maruta Koji	2190.59
6	Black	Win	Chigira Makoto	2026.66
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2039.81
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2713.24
2	Black	Loss	Nakamura Souta	2293.96
3	White	Loss	Maruta Hiroki	2120.20
4	White	Win	Hashimoto Takuya	2012.53
Kanto Championship
Date	2015-07-20		Rating	2051.42
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2396.56
2	Black	Loss	Iwano Fumio	2248.88
3	Black	Win	Kudomi Takahiro	2213.82
4	Black	Win	Tanizaki Ryusuke	2181.71
5	White	Loss	Maruta Koji	2202.31
6	Black	Loss	Maruta Hiroki	2102.01
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2055.96
Round	Color	Result	Opponent
1	White	Loss	Nakamura Souta	2290.08
2	White	Loss	Ono Takayuki	2326.78
3	White	Loss	Tanizaki Ryusuke	2192.88
4	Black	Win	Chigira Makoto	2001.30
10th All Japan Championship
Date	2015-03-29		Rating	2059.91
Round	Color	Result	Opponent
1	White	Loss	Tachi Masaya	2478.05
2	Black	Win	Inoue Fumiya	2239.35
3	White	Loss	Koyama Jun	2603.38
4	Black	Loss	Nagao Noriaki	2275.94
5	White	Loss	Kubo Izumi	2081.95
6	Black	Loss	Kim Chang-Su	2084.01
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2083.71
Round	Color	Result	Opponent
1	White	Win	Nakamura Souta	2224.62
2	White	Loss	Okabe Hiroshi	2744.38
3	White	Loss	Iwano Fumio	2254.43
4	Black	Win	Tomobe Katsuhiro	2088.37
1st Senior Masters Championship
Date	2014-08-29		Rating	2086.84
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2429.33
2	Black	Win	Kobayashi Koichi	2250.11
3	White	Loss	Kubo Izumi	2086.85
4	White	Win	Miura Hitoshi	1803.46
5	White	Loss	Miyagawa Junzo	2216.79
6	Black	Loss	Ishitani Shin-ichi	2449.50
7	Black	Loss	Mitsumori Masao	2335.27
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2094.58
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2319.68
2	White	Loss	Iwano Fumio	2259.92
3	Black	Loss	Tamura Kazumasa	2515.02
4	White	Loss	Tada Ayako	2312.12
31th Kanto Championship
Date	2014-05-11		Rating	2099.70
Round	Color	Result	Opponent
2	Black	Loss	Iwano Fumio	2259.22
3	White	Win	Nakamura Souta	2151.06
4	Black	Loss	Sato Kiyotomi	2468.35
5	White	Win	Maruta Hiroki	2101.01
9th All Japan Championship
Date	2014-01-26		Rating	2110.95
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2528.34
2	Black	Loss	Kamiya Shunsuke	2580.44
3	Black	Loss	Mano Yoshihisa	2313.17
4	White	Loss	Sato Kiyotomi	2461.47
6	Black	Loss	Kon Akira	1986.79
11th Middle-dan players Tournament
Date	2013-08-17		Rating	2131.41
Round	Color	Result	Opponent
1	Black	Loss	Fukui Nobuhiro	2593.25
2	White	Win	Maruta Koji	2172.71
3	White	Loss	Kashihara Akihiko	2338.73
4	White	Win	Miyagawa Junzo	2217.01
5	Black	Loss	Mano Yoshihisa	2311.71
6	White	Loss	Kubo Izumi	2091.14
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2134.63
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2465.77
2	White	Loss	Kudomi Takahiro	2387.24
3	Black	Loss	Mitsumori Masao	2330.41
4	White	Loss	Kamiya Shunsuke	2547.61
5	White	Loss	Tomobe Katsuhiro	2151.34
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2143.18
Round	Color	Result	Opponent
1	Black	Win	Mitsumori Masao	2331.61
2	White	Win	Isobe Taizan	2390.64
3	Black	Draw	Maruta Hiroki	2139.10
4	White	Loss	Kudomi Takahiro	2400.97
29th Kanto Championship
Date	2013-05-12		Rating	2146.43
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2863.65
2	White	Win	Iwano Fumio	2180.28
3	Black	Win	Tomobe Katsuhiro	2157.75
4	White	Loss	Kudomi Takahiro	2410.04
5	Black	Win	Mitsumori Masao	2333.07
8th All Japan Championship
Date	2013-03-24		Rating	2142.20
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2374.09
2	White	Win	Miyagawa Junzo	2217.05
3	Black	Loss	Mitsumori Masao	2337.84
4	White	Loss	Tada Ayako	2287.17
5	Black	Win	Tomobe Katsuhiro	2160.73
6	Black	Loss	Kubo Izumi	2089.02
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2138.14
Round	Color	Result	Opponent
A1	White	Win	Fujikawa Masaki	2027.76
A2	White	Win	Ozawa Tetsushi	2049.06
A3	Black	Win	Tomobe Katsuhiro	2175.19
A4	White	Win	Tanizaki Ryusuke	2128.42
A5	White	Win	Iwano Fumio	2153.49
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2109.21
Round	Color	Result	Opponent
1	Black	Loss	Mitsumori Masao	2345.47
2	Black	Win	Higuchi Fumiya	1603.60
3	White	Loss	Isobe Taizan	2409.78
4	White	Loss	Sato Kiyotomi	2404.95
52 Suiseisen Tournament 1st round
Date	2012-09-23		Rating	2101.73
Round	Color	Result	Opponent
1	White	Loss	Tada Ayako	2300.28
2	Black	Win	Higuchi Fumiya	1604.95
3	Black	Loss	Tomobe Katsuhiro	2192.77
4	White	Loss	Iwano Fumio	2143.56
10th Middle-dan players Tournament
Date	2012-08-26		Rating	2097.36
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2211.44
2	Black	Loss	Ono Takayuki	2432.86
3	Black	Loss	Kobayashi Koichi	2231.89
4	White	Loss	Kubo Izumi	2088.71
5	White	Win	Suzuki Junichiro	1917.22
6	White	Win	Mano Yoshihisa	2251.87
29th Kanto Championship
Date	2012-05-13		Rating	2073.11
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2364.74
2	White	Loss	Iwano Fumio	2129.95
3	Black	Loss	Matsuoka Teruo	2016.16
4	Black	Draw	Maruta Hiroki	2086.94
5	Black	Loss	Tada Ayako	2282.65
29th Kanto Shineisen Tournament
Date	2012-04-15		Rating	2070.90
Round	Color	Result	Opponent
1	White	Win	Kon Akira	2009.25
2	White	Win	Tomobe Katsuhiro	2202.24
3	White	Loss	Iwano Fumio	2125.41
4	Black	Loss	Maruta Hiroki	2084.53
5	Black	Loss	Matsuoka Teruo	2013.22
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2069.66
Round	Color	Result	Opponent
A1	White	Loss	Tada Ayako	2274.72
A2	White	Win	Iwano Fumio	2119.92
A3	White	Loss	Fukui Nobuhiro	2492.16
A4	White	Loss	Kon Akira	2011.98
A5	White	Loss	Nakayama Tomoharu	2609.45
7th All Japan Championship
Date	2012-01-29		Rating	2069.89
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2424.08
2	White	Loss	Fukui Nobuhiro	2485.86
3	Black	Win	Matsuoka Teruo	2005.37
4	White	Loss	Kubo Izumi	2096.80
5	White	Win	Maruta Hiroki	2083.70
6	Black	Loss	Kobayashi Koichi	2208.43
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2070.90
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2704.75
2	Black	Loss	Tada Ayako	2252.63
3	Black	Win	Maruta Hiroki	2083.69
4	White	Loss	Kobayashi Koichi	2187.45
51 Suiseisen Tournament Final round
Date	2011-10-09		Rating	2071.20
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2086.78
2	White	Loss	Nakayama Tomoharu	2583.54
3	White	Loss	Kawano Takahisa	2356.61
4	White	Draw	Tada Ayako	2251.05
5	White	Loss	Kamiya Shunsuke	2438.07
51 Suiseisen Tournament
Date	2011-09-11		Rating	2073.56
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1987.03
2	White	Win	Tada Ayako	2246.93
3	White	Loss	Kamiya Shunsuke	2432.76
4	White	Win	Maruta Hiroki	2093.42
28th Kanto Championship
Date	2011-05-22		Rating	2064.01
Round	Color	Result	Opponent
1	White	Draw	Oosumi Yuuki	2737.86
2	White	Loss	Tamada Yoichi	2506.04
3	White	Loss	Kamiya Shunsuke	2414.36
4	Black	Loss	Nakayama Tomoharu	2544.97
5	Black	Win	Maruta Hiroki	2108.99
28th Kanto Shineisen Tournament
Date	2011-04-17		Rating	2057.93
Round	Color	Result	Opponent
1	White	Loss	Iwano Fumio	2129.92
2	Black	Loss	Maruta Hiroki	2118.00
3	White	Loss	Arai Kazumi	2364.68
4	Black	Win	Kato Hiroaki	1733.25
5	White	Loss	Matsuoka Teruo	1999.33
3rd Tohoku Championship
Date	2011-02-27		Rating	2057.09
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2512.78
2	Black	Loss	Miyagawa Sou	2120.50
3	Black	Win	Yamamoto Harue	1686.48
4	Black	Loss	Tanno Yoshitaka	2101.04
5	Black	Win	Sato Ryota	1478.10
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2059.02
Round	Color	Result	Opponent
A1	White	Loss	Iwano Fumio	2130.18
A2	Black	Loss	Kise Katsumi	2519.20
A3	White	Loss	Ozawa Tetsushi	2091.74
A4	White	Win	Shimoyama Takuma	2223.70
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2067.28
Round	Color	Result	Opponent
1	White	Loss	Nakayama Tomoharu	2518.47
1	White	Loss	Maruta Koji	2109.01
3	White	Win	Matsuoka Teruo	1977.15
4	White	Loss	Shimoyama Takuma	2239.53
50 Suiseisen Tournament
Date	2010-09-12		Rating	2073.94
Round	Color	Result	Opponent
1	White	Win	Fukui Nobuhiro	2332.77
2	White	Loss	Kamiya Shunsuke	2363.50
3	White	Win	Iwano Fumio	2115.92
4	White	Loss	Tada Ayako	2198.63
9th Middle-dan Players Tournament
Date	2010-08-29		Rating	2074.46
Round	Color	Result	Opponent
1	Black	Loss	Matsuo Toshiko	1956.98
2	White	Loss	Kubo Izumi	2108.24
3	Black	Win	Suzuki Junichiro	1916.42
4	Black	Loss	Ono Takayuki	2386.61
5	White	Loss	Ozawa Tetsushi	2085.68
6	White	Win	Yasumoto Yoshinobu	1977.92
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2084.43
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2301.72
2	Black	Loss	Ono Takayuki	2390.40
3	White	Loss	Tada Ayako	2192.55
4	Black	Draw	Tanno Yoshitaka	2086.03
27th Kanto Championship
Date	2010-05-23		Rating	2092.75
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2582.91
2	White	Draw	Tada Ayako	2188.97
3	Black	Win	Maruta Hiroki	2080.44
4	Black	Win	Tomobe Katsuhiro	2207.06
5	Black	Loss	Tamura Kazumasa	2510.72
27th Kanto Shineisen Tournament
Date	2010-04-04		Rating	2098.21
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1975.63
2	White	Win	Takagi Tomoyuki	2175.35
3	White	Win	Fukui Nobuhiro	2312.25
4	White	Loss	Arai Kazumi	2310.28
5	Black	Win	Maruta Hiroki	2081.96
43 Touryumonsen Tournament
Date	2010-03-28		Rating	2098.24
Round	Color	Result	Opponent
1	White	Win	Ozawa Tetsushi	2063.89
2	Black	Win	Kawasaki Nobuhiko	2178.49
3	White	Win	Kon Akira	1976.06
4	White	Loss	Tada Ayako	2177.57
5	Black	Loss	Fukui Nobuhiro	2312.54
5th All Japan Championship
Date	2010-03-21		Rating	2097.66
Round	Color	Result	Opponent
1	Black	Loss	Tamura Kazumasa	2512.60
2	Black	Win	Miyoshi Takeo	2109.79
3	White	Loss	Ono Takayuki	2385.03
4	Black	Loss	Iwano Fumio	2115.93
5	White	Loss	Miyagawa Sou	2131.38
6	White	Win	Fujikawa Masaki	2033.30
2nd Tohoku Championship
Date	2010-03-14		Rating	2097.27
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2395.28
2	Black	Win	Hirono Masakazu	1968.56
3	Black	Draw	Kusajima Masato	2168.27
4	Black	Win	Miyagawa Sou	2131.72
5	Black	Loss	Tamada Yoichi	2445.20
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2087.01
Round	Color	Result	Opponent
A1	Black	Win	Iwano Fumio	2122.74
A2	Black	Win	Matsuoka Teruo	1964.80
A3	White	Loss	Tamada Yoichi	2434.06
A4	White	Loss	Fujikawa Masaki	2044.18
A5	White	Loss	Shimoyama Takuma	2262.67
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2067.09
Round	Color	Result	Opponent
A1	White	Loss	Tanaka Shingo	2201.17
A2	White	Loss	Tamada Yoichi	2405.50
A3	White	Win	Okuda Shingo	1939.31
A4	White	Win	Ozawa Tetsushi	2061.10
A5	White	Win	Saito Masashi	2079.76
A6	White	Loss	Suzuki Rin	1955.75
49 Suiseisen Tournament Final round
Date	2009-10-25		Rating	2063.40
Round	Color	Result	Opponent
1	White	Win	Tanji Hiroki	2050.78
2	Black	Loss	Shimoyama Takuma	2253.48
3	Black	Loss	Tashiro Yuichi	2286.72
4	White	Loss	Tamada Yoichi	2400.69
5	White	Win	Maruta Hiroki	2092.61
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2056.86
Round	Color	Result	Opponent
1	White	Loss	Fukui Nobuhiro	2316.94
2	White	Loss	Tada Ayako	2141.28
3	Black	Win	Matsuoka Teruo	1928.41
4	White	Loss	Tanji Hiroki	2052.02
49 Suiseisen Tournament 1st round
Date	2009-09-06		Rating	2050.46
Round	Color	Result	Opponent
1	Black	Loss	Tanji Hiroki	2050.85
2	White	Win	Fujikawa Masaki	2050.59
3	White	Win	Takeuchi Shunsuke	1956.88
4	Black	Win	Kawasaki Nobuhiko	2133.65
8th Middle-dan Players Tournament
Date	2009-08-30		Rating	2048.09
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2260.82
2	Black	Loss	Miyagawa Junzo	2200.99
3	Black	Loss	Kobayashi Koichi	2130.39
4	White	Loss	Kubo Izumi	2112.88
5	White	Loss	Ono Takayuki	2401.78
6	White	Loss	Gakumazawa Hideaki	2137.95
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2028.92
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2512.98
2	White	Loss	Shimoyama Takuma	2239.90
4	White	Loss	Nagao Noriaki	2293.21
26th Kanto Championship
Date	2009-05-17		Rating	2023.39
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2855.64
2	White	Loss	Ono Takayuki	2408.08
3	White	Loss	Shimoyama Takuma	2236.54
4	Black	Win	Suzuki Rin	1945.16
5	White	Loss	Maruta Koji	2107.37
26th Kanto Shineisen Tournament
Date	2009-04-05		Rating	2016.63
Round	Color	Result	Opponent
1	White	Win	Tanji Hiroki	2033.36
2	White	Loss	Watanabe Tatsuya	2168.50
3	Black	Win	Kon Akira	1957.93
4	White	Loss	Fujikawa Masaki	2067.95
5	White	Loss	Shimoyama Takuma	2231.03
4th All Japan Championship
Date	2009-03-21		Rating	2014.22
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2412.19
2	White	Loss	Tamada Yoichi	2296.20
3	White	Win	Suzuki Rin	1951.33
4	Black	Loss	Sakamoto Suzan	2292.57
5	White	Loss	Kobayashi Koichi	2116.35
6	Black	Win	Fujikawa Masaki	2067.36
42nd Touryumonsen Tournament
Date	2009-03-15		Rating	2013.12
Round	Color	Result	Opponent
1	White	Loss	Ozawa Tetsushi	2084.55
3	White	Loss	Kon Akira	1957.63
4	Black	Loss	Yoshikawa Hiromasa	2197.74
5	White	Loss	Tanaka Shingo	2199.58
6	White	Win	Sakaue Ryota	1674.66
7	White	Win	Saito Masashi	2051.92
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2007.90
Round	Color	Result	Opponent
A1	White	Win	Fujikawa Masaki	2078.97
A2	White	Draw	Ozawa Tetsushi	2083.75
A3	White	Loss	Tanizaki Ryusuke	2129.36
A4	White	Loss	Maruta Hiroki	2080.74
A5	Black	Win	Kuramoto Hideharu	1900.16
9th Kanto Renju Emperor Tournament, 2nd round
Date	2008-11-16		Rating	1999.71
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2858.36
2	White	Loss	Nakayama Tomoharu	2287.49
3	Black	Loss	Kudomi Takahiro	2354.30
4	Black	Loss	Okabe Hiroshi	2682.30
5	Black	Loss	Sato Kiyotomi	2449.79
40th Kyoto Classified Tournament - group 1
Date	2008-11-09		Rating	1999.09
Round	Color	Result	Opponent
1	Black	Win	Nishimura Koichi	1870.11
2	Black	Loss	Ozawa Tetsushi	2081.12
3	Black	Loss	Kamei Shigeo	1755.77
5	White	Draw	Okuda Shingo	1945.27
6	White	Win	Kamatani Teruhiro	1580.43
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	1999.19
Round	Color	Result	Opponent
1	Black	Win	Shinoda Masaki	1623.03
2	Black	Loss	Mitsumori Masao	2327.71
3	White	Win	Iwano Fumio	2166.34
4	Black	Win	Kuramoto Hideharu	1906.23
7th 6-7 dan Tournament
Date	2008-09-28		Rating	1996.06
Round	Color	Result	Opponent
1	White	Loss	Maruyama Yasushi	2231.73
2	Black	Loss	Kobayashi Koichi	2107.76
3	White	Loss	Tanno Yoshitaka	2117.67
4	Black	Loss	Gakumazawa Hideaki	2177.49
6	White	Win	Suzuki Junichiro	1881.68
25th Kanto Championship
Date	2008-05-18		Rating	1993.05
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2857.72
2	Black	Win	Iwano Fumio	2182.53
3	Black	Win	Kudomi Takahiro	2335.86
4	White	Loss	Mitsumori Masao	2308.19
5	Black	Loss	Isobe Taizan	2423.95
25th Kanto Shineisen Tournament
Date	2008-04-13		Rating	1986.81
Round	Color	Result	Opponent
1	Black	Loss	Matsuoka Teruo	1877.24
2	White	Win	Takeuchi Yuuta	1852.08
3	Black	Loss	Fujikawa Masaki	2102.63
4	Black	Win	Harada Motochika	1789.17
5	Black	Loss	Watanabe Tatsuya	2155.03
3rd All Japan Championship
Date	2008-03-23		Rating	1984.72
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2394.53
2	Black	Win	Maruta Koji	2082.99
3	White	Draw	Tanizaki Ryusuke	2120.38
4	Black	Loss	Sato Kiyotomi	2414.71
5	White	Loss	Fujikawa Masaki	2105.38
6	Black	Win	Tadokoro Hosai	1925.50
11th Mikami Cup Tournament, A-Class
Date	2008-01-20		Rating	1973.24
Round	Color	Result	Opponent
1	Black	Win	Matsuoka Teruo	1874.83
2	White	Loss	Iwano Fumio	2185.97
3	Black	Loss	Kuramoto Hideharu	1915.52
4	White	Loss	Tamada Yoichi	2189.33
5	White	Loss	Ozawa Tetsushi	2032.42
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	1967.66
Round	Color	Result	Opponent
1	Black	Loss	Suzuki Rin	1955.78
2	White	Win	Tanji Hiroki	1935.11
3	Black	Loss	Nakayama Tomoharu	2201.73
4	Black	Loss	Maruta Hiroki	2027.60
5	White	Loss	Watanabe Tatsuya	2138.60
6dan 7dan Tournament
Date	2007-10-08		Rating	1968.24
Round	Color	Result	Opponent
1	White	Loss	Ono Takayuki	2374.58
2	White	Win	Kubo Izumi	2080.29
3	White	Loss	Gakumazawa Hideaki	2179.48
4	White	Win	Tadokoro Hosai	1931.81
5	White	Loss	Miyagawa Junzo	2268.14
6	Black	Loss	Sato Kiyotomi	2400.13
47 Suiseisen Tournament 1st round
Date	2007-09-23		Rating	1967.98
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2111.91
2	Black	Loss	Watanabe Yoko	2057.24
3	Black	Win	Maruta Hiroki	2025.72
4	White	Win	Matsuoka Teruo	1872.00
24th Kanto Shineisen Tournament
Date	2007-04-15		Rating	1960.40
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1876.24
2	Black	Loss	Teshima Masakatsu	1951.89
3	Black	Win	Tanji Hiroki	1901.83
4	Black	Loss	Tamada Yoichi	2123.83
5	White	Loss	Ozawa Tetsushi	2013.96
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	1962.72
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2283.69
2	Black	Loss	Oosumi Yuuki	2506.63
3	Black	Loss	Maruta Hiroki	2023.51
4	Black	Loss	Tanizaki Ryusuke	2139.07
5	White	Loss	Ishitani Shin-ichi	2380.35
6	Black	Loss	Kuramoto Hideharu	1887.11
10th Mikami Cup Tournament, A-class
Date	2007-01-28		Rating	1978.53
Round	Color	Result	Opponent
1	White	Win	Watanabe Tatsuya	2122.38
2	Black	Win	Maruta Hiroki	2020.29
3	White	Loss	Iwano Fumio	2142.36
4	Black	Loss	Kobayashi Koichi	2097.68
5	White	Loss	Matsuoka Teruo	1873.82
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2008.25
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Jyunko	1814.23
2	White	Win	Abiko Setsuko	2035.60
3	White	Draw	Isobe Taizan	2413.77
4	Black	Loss	Mitsumori Masao	2245.99
5	White	Loss	Kudomi Takahiro	2290.32
23rd Kanto Shinei Tournament
Date	2006-09-10		Rating	2014.93
Round	Color	Result	Opponent
1	White	Win	Kamemoto Daichi	2196.52
2	Black	Loss	Iwano Fumio	2109.57
3	White	Draw	Watanabe Yoko	2030.41
4	Black	Loss	Tanizaki Ryusuke	2125.87
5	White	Loss	Maruta Hiroki	2002.21
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2035.33
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2252.05
2	Black	Loss	Nagao Noriaki	2233.68
3	Black	Win	Hara Masao	2082.68
4	Black	Draw	Kubo Izumi	2104.32
23rd Kanto Championship
Date	2006-05-21		Rating	2041.51
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2257.45
2	Black	Draw	Iwano Fumio	2094.14
3	White	Loss	Tomobe Katsuhiro	2090.35
4	Black	Loss	Nagao Noriaki	2227.21
5	Black	Win	Fujikawa Masaki	2029.93
46th Suisei-sen tournament final round
Date	2006-04-16		Rating	2050.60
Round	Color	Result	Opponent
	White	Win	Itami Yoshiyuki	2156.82
	White	Draw	Nagao Noriaki	2220.43
	Black	Loss	Hara Masao	2076.78
	Black	Win	Koyama Jun	2327.98
	Black	Loss	Ono Takayuki	2303.66
1st All Japan Championship
Date	2006-03-26		Rating	2053.59
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2493.11
2	Black	Loss	Oosumi Yuuki	2419.87
3	White	Loss	Mitsumori Masao	2259.93
4	Black	Draw	Kudomi Takahiro	2282.25
5	White	Loss	Maruta Koji	2125.28
6	White	Win	Nagao Noriaki	2220.43
46th Suisei-sen Tournament - 1st round
Date	2006-03-12		Rating	2053.72
Round	Color	Result	Opponent
1	Black	Loss	Kamemoto Daichi	2188.97
2	White	Win	Tanizaki Ryusuke	2110.22
3	Black	Win	Iwano Fumio	2078.45
4	White	Win	Watanabe Tatsuya	2131.78
9th Mikami Cup - A Class
Date	2006-01-29		Rating	2047.52
Round	Color	Result	Opponent
1	White	Loss	Watanabe Tatsuya	2132.72
2	White	Win	Matsuoka Teruo	1823.96
3	Black	Win	Oonuma Nobuhiro	1841.86
4	White	Win	Kamemoto Daichi	2183.99
5	White	Loss	Oosumi Yuuki	2414.23
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2025.77
Round	Color	Result	Opponent
1	Black	Loss	Teshima Masakatsu	1956.93
2	White	Loss	Yamauchi Takahiro	2034.26
3	White	Win	Yoda Tsuyoshi	1701.54
4	White	Loss	Tanizaki Ryusuke	2103.02
22nd Kanto Shineisen Tournament
Date	2005-09-11		Rating	2022.88
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2074.26
2	White	Win	Nakata Shinsuke	1959.64
3	White	Loss	Sasaki Miyu	1944.22
4	Black	Loss	Tanizaki Ryusuke	2098.02
5	Black	Win	Ishizaki Masatoshi	1896.19
Japan WC Qualification tournament
Date	2005-04-03		Rating	2023.96
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2386.10
2	White	Draw	Ono Takayuki	2294.64
3	Black	Loss	Miyagawa Junzo	2252.79
4	White	Loss	Oosumi Yuuki	2369.00
5	White	Loss	Maruta Koji	2161.76
6	Black	Win	Hara Masao	2052.97
45th Suisei-sen Tournament
Date	2005-03-20		Rating	2022.33
Round	Color	Result	Opponent
1	Black	Loss	Matsuoka Teruo	1874.16
2	White	Win	Tanizaki Ryusuke	2070.67
3	Black	Loss	Sasaki Miyu	1962.14
4	White	Loss	Tomobe Katsuhiro	2039.77
8th Mikami Cup - A Class
Date	2005-01-23		Rating	2023.20
Round	Color	Result	Opponent
1	Black	Win	Sasaki Miyu	1957.49
2	Black	Draw	Hara Masao	2058.95
3	White	Loss	Koyama Jun	2254.59
4	White	Win	Arita Nobuyoshi	2285.21
5	White	Loss	Sato Takuma	2177.54
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2019.23
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1886.63
2	White	Win	Itami Yoshiyuki	2163.09
3	White	Loss	Tomobe Katsuhiro	2029.97
4	Black	Loss	Watanabe Tatsuya	2082.15
21st Kanto Shineisen Tournament
Date	2004-09-12		Rating	2021.33
Round	Color	Result	Opponent
1	Black	Loss	Itami Yoshiyuki	2156.61
2	Black	Win	Maruta Hiroki	1953.31
3	White	Loss	Tashiro Yuichi	2287.01
4	White	Loss	Sasaki Miyu	1955.58
5	Black	Win	Iwano Fumio	2026.20
7th Mikami Cup - A class
Date	2004-01-25		Rating	2032.11
Round	Color	Result	Opponent
1	White	Win	Sasaki Miyu	1936.77
2	White	Loss	Arita Nobuyoshi	2235.67
3	Black	Loss	Sato Koichi	1997.21
4	Black	Win	Uchiyama Yasuhiko	1825.40
5	Black	Loss	Miyagawa Sou	2105.61
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2039.91
Round	Color	Result	Opponent
1	Black	Win	Oosaku Kazuyuki	1847.30
2	Black	Loss	Isobe Taizan	2421.91
3	White	Loss	Itami Yoshiyuki	2153.14
4	White	Win	Yamauchi Yasuhiro	1804.75
20th Kanto Shineisen Tournament
Date	2003-09-21		Rating	2046.09
Round	Color	Result	Opponent
1	Black	Win	Koyama Jun	2166.59
2	Black	Loss	Arita Nobuyoshi	2216.05
3	Black	Loss	Sato Kiyotomi	2306.33
4	Black	Loss	Tadokoro Hosai	1985.99
5	Black	Win	Sato Koichi	1965.60
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2097.96
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2454.35
2	White	Win	Maruta Koji	2207.76
3	White	Loss	Isobe Taizan	2448.35
4	Black	Win	Arita Nobuyoshi	2155.75
Kanto Championship
Date	2000-05-14		Rating	2054.42
Round	Color	Result	Opponent
1	White	Win	Suzuki Naoya	2167.87
2	White	Loss	Sunagawa Shouki	2215.45
3	White	Loss	Nara Hideki	2565.55
4	White	Loss	Maruta Koji	2208.36
36 Suiseisen Tournament 1st round
Date	1996-03-01		Rating	1959.73
Round	Color	Result	Opponent
4	White	Loss	Aihara Hiroshi	2041.05