Kato Yasuhiro (加藤康弘)

Place: Tokyo, Japan

Rating: 2027.36, Std: 161.37, Rank: 685

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

Top rating: 2147.61 (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	2027.36
Round	Color	Result	Opponent
4	Black	Loss	Okabe Hiroshi	2722.53
5	Black	Loss	Toyo Koryu	2204.05
6	White	Loss	Tanaka Shotaro	2292.79
39 Kanto Championship
Date	2022-07-31		Rating	2056.14
Round	Color	Result	Opponent
4	White	Win	Kasahara Reiko	1713.82
5	Black	Win	Li Haoyang	1996.81
6	Black	Loss	Okabe Hiroshi	2695.79
22 Renju Emperor Tournament Kanto area 1st round
Date	2021-11-21		Rating	2054.71
Round	Color	Result	Opponent
1	White	Loss	Tanaka Shotaro	2281.52
2	White	Loss	Kato Shota	2038.17
3	Black	Loss	Tomobe Katsuhiro	2128.18
4	White	Win	Kasahara Reiko	1710.06
38 Kanto Championship
Date	2021-08-08		Rating	2065.91
Round	Color	Result	Opponent
4	White	Win	Okada Akihiro	1890.06
5	Black	Win	Li Haoyang	1965.36
6	White	Loss	Kamiya Shunsuke	2845.77
37 Kanto Championship
Date	2020-08-10		Rating	2079.86
Round	Color	Result	Opponent
1	White	Win	Kasahara Reiko	1715.79
2	White	Loss	Okabe Hiroshi	2730.10
3	White	Loss	Maruta Hiroki	2240.41
4	Black	Win	Shimura Hiroki	1957.50
5	White	Win	Maruta Koji	2112.34
6	White	Draw	Kawaai Hitoshi	2005.76
33 Kanto Championship
Date	2016-07-31		Rating	2042.47
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2622.19
2	Black	Win	Nakamura Souta	2274.12
3	Black	Loss	Maruta Koji	2177.34
4	Black	Win	Cho Enkun	1651.41
5	White	Loss	Ishitani Shin-ichi	2386.54
6	White	Loss	Fujikawa Masaki	2103.82
11th All Japan Championship
Date	2016-01-11		Rating	2037.26
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2536.37
2	White	Loss	Kudomi Takahiro	2190.82
3	Black	Loss	Nishida Toshio	2080.58
4	White	Loss	Maruta Hiroki	2121.59
5	Black	Loss	Maruta Koji	2192.41
6	Black	Win	Chigira Makoto	2028.25
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2041.92
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2714.91
2	Black	Loss	Nakamura Souta	2295.61
3	White	Loss	Maruta Hiroki	2121.98
4	White	Win	Hashimoto Takuya	2013.97
Kanto Championship
Date	2015-07-20		Rating	2053.35
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2398.23
2	Black	Loss	Iwano Fumio	2250.61
3	Black	Win	Kudomi Takahiro	2215.33
4	Black	Win	Tanizaki Ryusuke	2183.55
5	White	Loss	Maruta Koji	2204.02
6	Black	Loss	Maruta Hiroki	2103.71
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2057.79
Round	Color	Result	Opponent
1	White	Loss	Nakamura Souta	2291.62
2	White	Loss	Ono Takayuki	2328.29
3	White	Loss	Tanizaki Ryusuke	2194.63
4	Black	Win	Chigira Makoto	2002.80
10th All Japan Championship
Date	2015-03-29		Rating	2061.69
Round	Color	Result	Opponent
1	White	Loss	Tachi Masaya	2479.81
2	Black	Win	Inoue Fumiya	2241.40
3	White	Loss	Koyama Jun	2604.89
4	Black	Loss	Nagao Noriaki	2277.33
5	White	Loss	Kubo Izumi	2084.07
6	Black	Loss	Kim Chang-Su	2085.21
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2085.29
Round	Color	Result	Opponent
1	White	Win	Nakamura Souta	2226.07
2	White	Loss	Okabe Hiroshi	2745.82
3	White	Loss	Iwano Fumio	2255.94
4	Black	Win	Tomobe Katsuhiro	2089.89
1st Senior Masters Championship
Date	2014-08-29		Rating	2088.35
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2430.50
2	Black	Win	Kobayashi Koichi	2250.60
3	White	Loss	Kubo Izumi	2088.59
4	White	Win	Miura Hitoshi	1802.65
5	White	Loss	Miyagawa Junzo	2218.17
6	Black	Loss	Ishitani Shin-ichi	2450.91
7	Black	Loss	Mitsumori Masao	2336.65
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2096.03
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2320.99
2	White	Loss	Iwano Fumio	2261.31
3	Black	Loss	Tamura Kazumasa	2516.16
4	White	Loss	Tada Ayako	2313.32
31th Kanto Championship
Date	2014-05-11		Rating	2101.13
Round	Color	Result	Opponent
2	Black	Loss	Iwano Fumio	2260.59
3	White	Win	Nakamura Souta	2152.43
4	Black	Loss	Sato Kiyotomi	2469.63
5	White	Win	Maruta Hiroki	2102.36
9th All Japan Championship
Date	2014-01-26		Rating	2112.31
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2529.47
2	Black	Loss	Kamiya Shunsuke	2581.70
3	Black	Loss	Mano Yoshihisa	2314.68
4	White	Loss	Sato Kiyotomi	2462.71
6	Black	Loss	Kon Akira	1988.05
11th Middle-dan players Tournament
Date	2013-08-17		Rating	2132.65
Round	Color	Result	Opponent
1	Black	Loss	Fukui Nobuhiro	2594.54
2	White	Win	Maruta Koji	2173.95
3	White	Loss	Kashihara Akihiko	2340.25
4	White	Win	Miyagawa Junzo	2218.20
5	Black	Loss	Mano Yoshihisa	2313.07
6	White	Loss	Kubo Izumi	2092.49
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2135.86
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2466.93
2	White	Loss	Kudomi Takahiro	2388.37
3	Black	Loss	Mitsumori Masao	2331.57
4	White	Loss	Kamiya Shunsuke	2548.78
5	White	Loss	Tomobe Katsuhiro	2152.53
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2144.38
Round	Color	Result	Opponent
1	Black	Win	Mitsumori Masao	2332.75
2	White	Win	Isobe Taizan	2391.71
3	Black	Draw	Maruta Hiroki	2140.23
4	White	Loss	Kudomi Takahiro	2402.08
29th Kanto Championship
Date	2013-05-12		Rating	2147.61
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2864.81
2	White	Win	Iwano Fumio	2181.41
3	Black	Win	Tomobe Katsuhiro	2158.90
4	White	Loss	Kudomi Takahiro	2411.13
5	Black	Win	Mitsumori Masao	2334.19
8th All Japan Championship
Date	2013-03-24		Rating	2143.34
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2375.20
2	White	Win	Miyagawa Junzo	2218.17
3	Black	Loss	Mitsumori Masao	2338.94
4	White	Loss	Tada Ayako	2288.23
5	Black	Win	Tomobe Katsuhiro	2161.84
6	Black	Loss	Kubo Izumi	2090.27
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2139.24
Round	Color	Result	Opponent
A1	White	Win	Fujikawa Masaki	2028.84
A2	White	Win	Ozawa Tetsushi	2050.09
A3	Black	Win	Tomobe Katsuhiro	2176.27
A4	White	Win	Tanizaki Ryusuke	2129.58
A5	White	Win	Iwano Fumio	2154.55
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2110.25
Round	Color	Result	Opponent
1	Black	Loss	Mitsumori Masao	2346.50
2	Black	Win	Higuchi Fumiya	1604.19
3	White	Loss	Isobe Taizan	2410.77
4	White	Loss	Sato Kiyotomi	2405.98
52 Suiseisen Tournament 1st round
Date	2012-09-23		Rating	2102.75
Round	Color	Result	Opponent
1	White	Loss	Tada Ayako	2301.27
2	Black	Win	Higuchi Fumiya	1605.54
3	Black	Loss	Tomobe Katsuhiro	2193.79
4	White	Loss	Iwano Fumio	2144.56
10th Middle-dan players Tournament
Date	2012-08-26		Rating	2098.37
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2212.47
2	Black	Loss	Ono Takayuki	2433.87
3	Black	Loss	Kobayashi Koichi	2232.67
4	White	Loss	Kubo Izumi	2089.83
5	White	Win	Suzuki Junichiro	1918.41
6	White	Win	Mano Yoshihisa	2253.00
29th Kanto Championship
Date	2012-05-13		Rating	2074.04
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2365.69
2	White	Loss	Iwano Fumio	2130.88
3	Black	Loss	Matsuoka Teruo	2016.90
4	Black	Draw	Maruta Hiroki	2087.84
5	Black	Loss	Tada Ayako	2283.59
29th Kanto Shineisen Tournament
Date	2012-04-15		Rating	2071.82
Round	Color	Result	Opponent
1	White	Win	Kon Akira	2010.17
2	White	Win	Tomobe Katsuhiro	2203.17
3	White	Loss	Iwano Fumio	2126.33
4	Black	Loss	Maruta Hiroki	2085.41
5	Black	Loss	Matsuoka Teruo	2013.96
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2070.55
Round	Color	Result	Opponent
A1	White	Loss	Tada Ayako	2275.62
A2	White	Win	Iwano Fumio	2120.83
A3	White	Loss	Fukui Nobuhiro	2493.14
A4	White	Loss	Kon Akira	2012.88
A5	White	Loss	Nakayama Tomoharu	2610.42
7th All Japan Championship
Date	2012-01-29		Rating	2070.76
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2424.95
2	White	Loss	Fukui Nobuhiro	2486.81
3	Black	Win	Matsuoka Teruo	2006.09
4	White	Loss	Kubo Izumi	2097.78
5	White	Win	Maruta Hiroki	2084.56
6	Black	Loss	Kobayashi Koichi	2209.15
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2071.72
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2705.65
2	Black	Loss	Tada Ayako	2253.47
3	Black	Win	Maruta Hiroki	2084.51
4	White	Loss	Kobayashi Koichi	2188.15
51 Suiseisen Tournament Final round
Date	2011-10-09		Rating	2072.02
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2087.59
2	White	Loss	Nakayama Tomoharu	2584.43
3	White	Loss	Kawano Takahisa	2357.54
4	White	Draw	Tada Ayako	2251.88
5	White	Loss	Kamiya Shunsuke	2438.92
51 Suiseisen Tournament
Date	2011-09-11		Rating	2074.36
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1987.79
2	White	Win	Tada Ayako	2247.75
3	White	Loss	Kamiya Shunsuke	2433.59
4	White	Win	Maruta Hiroki	2094.23
28th Kanto Championship
Date	2011-05-22		Rating	2064.74
Round	Color	Result	Opponent
1	White	Draw	Oosumi Yuuki	2738.66
2	White	Loss	Tamada Yoichi	2506.84
3	White	Loss	Kamiya Shunsuke	2415.16
4	Black	Loss	Nakayama Tomoharu	2545.79
5	Black	Win	Maruta Hiroki	2109.75
28th Kanto Shineisen Tournament
Date	2011-04-17		Rating	2058.64
Round	Color	Result	Opponent
1	White	Loss	Iwano Fumio	2130.68
2	Black	Loss	Maruta Hiroki	2118.76
3	White	Loss	Arai Kazumi	2365.35
4	Black	Win	Kato Hiroaki	1733.82
5	White	Loss	Matsuoka Teruo	2000.01
3rd Tohoku Championship
Date	2011-02-27		Rating	2057.78
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2513.54
2	Black	Loss	Miyagawa Sou	2121.02
3	Black	Win	Yamamoto Harue	1685.84
4	Black	Loss	Tanno Yoshitaka	2100.69
5	Black	Win	Sato Ryota	1477.67
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2059.70
Round	Color	Result	Opponent
A1	White	Loss	Iwano Fumio	2130.91
A2	Black	Loss	Kise Katsumi	2520.03
A3	White	Loss	Ozawa Tetsushi	2092.46
A4	White	Win	Shimoyama Takuma	2224.30
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2067.93
Round	Color	Result	Opponent
1	White	Loss	Nakayama Tomoharu	2519.20
1	White	Loss	Maruta Koji	2109.73
3	White	Win	Matsuoka Teruo	1977.79
4	White	Loss	Shimoyama Takuma	2240.12
50 Suiseisen Tournament
Date	2010-09-12		Rating	2074.58
Round	Color	Result	Opponent
1	White	Win	Fukui Nobuhiro	2333.47
2	White	Loss	Kamiya Shunsuke	2364.27
3	White	Win	Iwano Fumio	2116.60
4	White	Loss	Tada Ayako	2199.30
9th Middle-dan Players Tournament
Date	2010-08-29		Rating	2075.10
Round	Color	Result	Opponent
1	Black	Loss	Matsuo Toshiko	1957.63
2	White	Loss	Kubo Izumi	2108.94
3	Black	Win	Suzuki Junichiro	1917.22
4	Black	Loss	Ono Takayuki	2387.28
5	White	Loss	Ozawa Tetsushi	2086.35
6	White	Win	Yasumoto Yoshinobu	1978.51
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2085.04
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2302.36
2	Black	Loss	Ono Takayuki	2391.04
3	White	Loss	Tada Ayako	2193.19
4	Black	Draw	Tanno Yoshitaka	2085.93
27th Kanto Championship
Date	2010-05-23		Rating	2093.35
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2583.53
2	White	Draw	Tada Ayako	2189.60
3	Black	Win	Maruta Hiroki	2081.07
4	Black	Win	Tomobe Katsuhiro	2207.70
5	Black	Loss	Tamura Kazumasa	2511.21
27th Kanto Shineisen Tournament
Date	2010-04-04		Rating	2098.80
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1976.22
2	White	Win	Takagi Tomoyuki	2176.54
3	White	Win	Fukui Nobuhiro	2312.91
4	White	Loss	Arai Kazumi	2310.91
5	Black	Win	Maruta Hiroki	2082.57
43 Touryumonsen Tournament
Date	2010-03-28		Rating	2098.82
Round	Color	Result	Opponent
1	White	Win	Ozawa Tetsushi	2064.51
2	Black	Win	Kawasaki Nobuhiko	2179.04
3	White	Win	Kon Akira	1976.65
4	White	Loss	Tada Ayako	2178.18
5	Black	Loss	Fukui Nobuhiro	2313.20
5th All Japan Championship
Date	2010-03-21		Rating	2098.24
Round	Color	Result	Opponent
1	Black	Loss	Tamura Kazumasa	2513.04
2	Black	Win	Miyoshi Takeo	2110.43
3	White	Loss	Ono Takayuki	2385.63
4	Black	Loss	Iwano Fumio	2116.55
5	White	Loss	Miyagawa Sou	2131.84
6	White	Win	Fujikawa Masaki	2033.90
2nd Tohoku Championship
Date	2010-03-14		Rating	2097.85
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2395.88
2	Black	Win	Hirono Masakazu	1968.89
3	Black	Draw	Kusajima Masato	2168.80
4	Black	Win	Miyagawa Sou	2132.18
5	Black	Loss	Tamada Yoichi	2445.79
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2087.58
Round	Color	Result	Opponent
A1	Black	Win	Iwano Fumio	2123.34
A2	Black	Win	Matsuoka Teruo	1965.37
A3	White	Loss	Tamada Yoichi	2434.63
A4	White	Loss	Fujikawa Masaki	2044.77
A5	White	Loss	Shimoyama Takuma	2263.23
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2067.63
Round	Color	Result	Opponent
A1	White	Loss	Tanaka Shingo	2201.84
A2	White	Loss	Tamada Yoichi	2406.03
A3	White	Win	Okuda Shingo	1939.82
A4	White	Win	Ozawa Tetsushi	2061.66
A5	White	Win	Saito Masashi	2080.20
A6	White	Loss	Suzuki Rin	1956.31
49 Suiseisen Tournament Final round
Date	2009-10-25		Rating	2063.93
Round	Color	Result	Opponent
1	White	Win	Tanji Hiroki	2051.26
2	Black	Loss	Shimoyama Takuma	2254.02
3	Black	Loss	Tashiro Yuichi	2287.15
4	White	Loss	Tamada Yoichi	2401.21
5	White	Win	Maruta Hiroki	2093.17
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2057.39
Round	Color	Result	Opponent
1	White	Loss	Fukui Nobuhiro	2317.57
2	White	Loss	Tada Ayako	2141.85
3	Black	Win	Matsuoka Teruo	1928.96
4	White	Loss	Tanji Hiroki	2052.50
49 Suiseisen Tournament 1st round
Date	2009-09-06		Rating	2050.98
Round	Color	Result	Opponent
1	Black	Loss	Tanji Hiroki	2051.32
2	White	Win	Fujikawa Masaki	2051.13
3	White	Win	Takeuchi Shunsuke	1957.28
4	Black	Win	Kawasaki Nobuhiko	2134.18
8th Middle-dan Players Tournament
Date	2009-08-30		Rating	2048.62
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2261.44
2	Black	Loss	Miyagawa Junzo	2201.50
3	Black	Loss	Kobayashi Koichi	2130.87
4	White	Loss	Kubo Izumi	2113.42
5	White	Loss	Ono Takayuki	2402.30
6	White	Loss	Gakumazawa Hideaki	2138.22
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2029.42
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2513.00
2	White	Loss	Shimoyama Takuma	2240.41
4	White	Loss	Nagao Noriaki	2293.73
26th Kanto Championship
Date	2009-05-17		Rating	2023.89
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2856.16
2	White	Loss	Ono Takayuki	2408.56
3	White	Loss	Shimoyama Takuma	2237.04
4	Black	Win	Suzuki Rin	1945.67
5	White	Loss	Maruta Koji	2107.92
26th Kanto Shineisen Tournament
Date	2009-04-05		Rating	2017.11
Round	Color	Result	Opponent
1	White	Win	Tanji Hiroki	2033.82
2	White	Loss	Watanabe Tatsuya	2168.95
3	Black	Win	Kon Akira	1958.37
4	White	Loss	Fujikawa Masaki	2068.45
5	White	Loss	Shimoyama Takuma	2231.53
4th All Japan Championship
Date	2009-03-21		Rating	2014.70
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2412.66
2	White	Loss	Tamada Yoichi	2296.66
3	White	Win	Suzuki Rin	1951.84
4	Black	Loss	Sakamoto Suzan	2292.99
5	White	Loss	Kobayashi Koichi	2116.80
6	Black	Win	Fujikawa Masaki	2067.85
42nd Touryumonsen Tournament
Date	2009-03-15		Rating	2013.60
Round	Color	Result	Opponent
1	White	Loss	Ozawa Tetsushi	2085.03
3	White	Loss	Kon Akira	1958.06
4	Black	Loss	Yoshikawa Hiromasa	2198.20
5	White	Loss	Tanaka Shingo	2200.19
6	White	Win	Sakaue Ryota	1674.94
7	White	Win	Saito Masashi	2052.34
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2008.37
Round	Color	Result	Opponent
A1	White	Win	Fujikawa Masaki	2079.45
A2	White	Draw	Ozawa Tetsushi	2084.22
A3	White	Loss	Tanizaki Ryusuke	2129.84
A4	White	Loss	Maruta Hiroki	2081.22
A5	Black	Win	Kuramoto Hideharu	1900.66
9th Kanto Renju Emperor Tournament, 2nd round
Date	2008-11-16		Rating	2000.17
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2858.83
2	White	Loss	Nakayama Tomoharu	2287.97
3	Black	Loss	Kudomi Takahiro	2354.75
4	Black	Loss	Okabe Hiroshi	2682.71
5	Black	Loss	Sato Kiyotomi	2450.21
40th Kyoto Classified Tournament - group 1
Date	2008-11-09		Rating	1999.55
Round	Color	Result	Opponent
1	Black	Win	Nishimura Koichi	1870.43
2	Black	Loss	Ozawa Tetsushi	2081.57
3	Black	Loss	Kamei Shigeo	1756.24
5	White	Draw	Okuda Shingo	1945.71
6	White	Win	Kamatani Teruhiro	1580.73
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	1999.64
Round	Color	Result	Opponent
1	Black	Win	Shinoda Masaki	1623.25
2	Black	Loss	Mitsumori Masao	2328.14
3	White	Win	Iwano Fumio	2166.79
4	Black	Win	Kuramoto Hideharu	1906.71
7th 6-7 dan Tournament
Date	2008-09-28		Rating	1996.51
Round	Color	Result	Opponent
1	White	Loss	Maruyama Yasushi	2232.23
2	Black	Loss	Kobayashi Koichi	2108.17
3	White	Loss	Tanno Yoshitaka	2117.88
4	Black	Loss	Gakumazawa Hideaki	2177.79
6	White	Win	Suzuki Junichiro	1882.30
25th Kanto Championship
Date	2008-05-18		Rating	1993.47
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2858.17
2	Black	Win	Iwano Fumio	2182.95
3	Black	Win	Kudomi Takahiro	2336.28
4	White	Loss	Mitsumori Masao	2308.60
5	Black	Loss	Isobe Taizan	2424.33
25th Kanto Shineisen Tournament
Date	2008-04-13		Rating	1987.22
Round	Color	Result	Opponent
1	Black	Loss	Matsuoka Teruo	1877.67
2	White	Win	Takeuchi Yuuta	1852.52
3	Black	Loss	Fujikawa Masaki	2103.05
4	Black	Win	Harada Motochika	1789.51
5	Black	Loss	Watanabe Tatsuya	2155.44
3rd All Japan Championship
Date	2008-03-23		Rating	1985.13
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2394.92
2	Black	Win	Maruta Koji	2083.43
3	White	Draw	Tanizaki Ryusuke	2120.80
4	Black	Loss	Sato Kiyotomi	2415.08
5	White	Loss	Fujikawa Masaki	2105.79
6	Black	Win	Tadokoro Hosai	1925.92
11th Mikami Cup Tournament, A-Class
Date	2008-01-20		Rating	1973.64
Round	Color	Result	Opponent
1	Black	Win	Matsuoka Teruo	1875.25
2	White	Loss	Iwano Fumio	2186.37
3	Black	Loss	Kuramoto Hideharu	1915.96
4	White	Loss	Tamada Yoichi	2189.73
5	White	Loss	Ozawa Tetsushi	2032.80
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	1968.04
Round	Color	Result	Opponent
1	Black	Loss	Suzuki Rin	1956.20
2	White	Win	Tanji Hiroki	1935.50
3	Black	Loss	Nakayama Tomoharu	2202.14
4	Black	Loss	Maruta Hiroki	2027.99
5	White	Loss	Watanabe Tatsuya	2138.98
6dan 7dan Tournament
Date	2007-10-08		Rating	1968.63
Round	Color	Result	Opponent
1	White	Loss	Ono Takayuki	2374.93
2	White	Win	Kubo Izumi	2080.67
3	White	Loss	Gakumazawa Hideaki	2179.77
4	White	Win	Tadokoro Hosai	1932.21
5	White	Loss	Miyagawa Junzo	2268.44
6	Black	Loss	Sato Kiyotomi	2400.47
47 Suiseisen Tournament 1st round
Date	2007-09-23		Rating	1968.37
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2112.29
2	Black	Loss	Watanabe Yoko	2057.60
3	Black	Win	Maruta Hiroki	2026.10
4	White	Win	Matsuoka Teruo	1872.41
24th Kanto Shineisen Tournament
Date	2007-04-15		Rating	1960.75
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1876.62
2	Black	Loss	Teshima Masakatsu	1952.20
3	Black	Win	Tanji Hiroki	1902.20
4	Black	Loss	Tamada Yoichi	2124.20
5	White	Loss	Ozawa Tetsushi	2014.28
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	1963.07
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2284.03
2	Black	Loss	Oosumi Yuuki	2506.73
3	Black	Loss	Maruta Hiroki	2023.86
4	Black	Loss	Tanizaki Ryusuke	2139.42
5	White	Loss	Ishitani Shin-ichi	2380.69
6	Black	Loss	Kuramoto Hideharu	1887.51
10th Mikami Cup Tournament, A-class
Date	2007-01-28		Rating	1978.88
Round	Color	Result	Opponent
1	White	Win	Watanabe Tatsuya	2122.73
2	Black	Win	Maruta Hiroki	2020.64
3	White	Loss	Iwano Fumio	2142.71
4	Black	Loss	Kobayashi Koichi	2098.03
5	White	Loss	Matsuoka Teruo	1874.20
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2008.58
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Jyunko	1814.59
2	White	Win	Abiko Setsuko	2035.81
3	White	Draw	Isobe Taizan	2414.06
4	Black	Loss	Mitsumori Masao	2246.32
5	White	Loss	Kudomi Takahiro	2290.64
23rd Kanto Shinei Tournament
Date	2006-09-10		Rating	2015.25
Round	Color	Result	Opponent
1	White	Win	Kamemoto Daichi	2196.80
2	Black	Loss	Iwano Fumio	2109.90
3	White	Draw	Watanabe Yoko	2030.75
4	Black	Loss	Tanizaki Ryusuke	2126.20
5	White	Loss	Maruta Hiroki	2002.54
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2035.65
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2252.36
2	Black	Loss	Nagao Noriaki	2233.99
3	Black	Win	Hara Masao	2082.99
4	Black	Draw	Kubo Izumi	2104.65
23rd Kanto Championship
Date	2006-05-21		Rating	2041.82
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2257.76
2	Black	Draw	Iwano Fumio	2094.46
3	White	Loss	Tomobe Katsuhiro	2090.66
4	Black	Loss	Nagao Noriaki	2227.51
5	Black	Win	Fujikawa Masaki	2030.25
46th Suisei-sen tournament final round
Date	2006-04-16		Rating	2050.91
Round	Color	Result	Opponent
	White	Win	Itami Yoshiyuki	2157.10
	White	Draw	Nagao Noriaki	2220.73
	Black	Loss	Hara Masao	2077.09
	Black	Win	Koyama Jun	2328.29
	Black	Loss	Ono Takayuki	2303.94
1st All Japan Championship
Date	2006-03-26		Rating	2053.89
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2493.28
2	Black	Loss	Oosumi Yuuki	2420.01
3	White	Loss	Mitsumori Masao	2260.23
4	Black	Draw	Kudomi Takahiro	2282.56
5	White	Loss	Maruta Koji	2125.61
6	White	Win	Nagao Noriaki	2220.73
46th Suisei-sen Tournament - 1st round
Date	2006-03-12		Rating	2054.02
Round	Color	Result	Opponent
1	Black	Loss	Kamemoto Daichi	2189.25
2	White	Win	Tanizaki Ryusuke	2110.52
3	Black	Win	Iwano Fumio	2078.76
4	White	Win	Watanabe Tatsuya	2132.09
9th Mikami Cup - A Class
Date	2006-01-29		Rating	2047.82
Round	Color	Result	Opponent
1	White	Loss	Watanabe Tatsuya	2133.02
2	White	Win	Matsuoka Teruo	1824.29
3	Black	Win	Oonuma Nobuhiro	1842.11
4	White	Win	Kamemoto Daichi	2184.27
5	White	Loss	Oosumi Yuuki	2414.38
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2026.06
Round	Color	Result	Opponent
1	Black	Loss	Teshima Masakatsu	1957.21
2	White	Loss	Yamauchi Takahiro	2034.44
3	White	Win	Yoda Tsuyoshi	1701.70
4	White	Loss	Tanizaki Ryusuke	2103.31
22nd Kanto Shineisen Tournament
Date	2005-09-11		Rating	2023.16
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2074.55
2	White	Win	Nakata Shinsuke	1959.90
3	White	Loss	Sasaki Miyu	1944.49
4	Black	Loss	Tanizaki Ryusuke	2098.31
5	Black	Win	Ishizaki Masatoshi	1896.44
Japan WC Qualification tournament
Date	2005-04-03		Rating	2024.24
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2386.40
2	White	Draw	Ono Takayuki	2294.91
3	Black	Loss	Miyagawa Junzo	2253.04
4	White	Loss	Oosumi Yuuki	2369.17
5	White	Loss	Maruta Koji	2162.07
6	Black	Win	Hara Masao	2053.26
45th Suisei-sen Tournament
Date	2005-03-20		Rating	2022.60
Round	Color	Result	Opponent
1	Black	Loss	Matsuoka Teruo	1874.46
2	White	Win	Tanizaki Ryusuke	2070.94
3	Black	Loss	Sasaki Miyu	1962.40
4	White	Loss	Tomobe Katsuhiro	2040.05
8th Mikami Cup - A Class
Date	2005-01-23		Rating	2023.47
Round	Color	Result	Opponent
1	Black	Win	Sasaki Miyu	1957.75
2	Black	Draw	Hara Masao	2059.22
3	White	Loss	Koyama Jun	2254.86
4	White	Win	Arita Nobuyoshi	2285.48
5	White	Loss	Sato Takuma	2177.80
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2019.50
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1886.92
2	White	Win	Itami Yoshiyuki	2163.34
3	White	Loss	Tomobe Katsuhiro	2030.25
4	Black	Loss	Watanabe Tatsuya	2082.41
21st Kanto Shineisen Tournament
Date	2004-09-12		Rating	2021.59
Round	Color	Result	Opponent
1	Black	Loss	Itami Yoshiyuki	2156.87
2	Black	Win	Maruta Hiroki	1953.57
3	White	Loss	Tashiro Yuichi	2287.30
4	White	Loss	Sasaki Miyu	1955.83
5	Black	Win	Iwano Fumio	2026.46
7th Mikami Cup - A class
Date	2004-01-25		Rating	2032.37
Round	Color	Result	Opponent
1	White	Win	Sasaki Miyu	1937.00
2	White	Loss	Arita Nobuyoshi	2235.93
3	Black	Loss	Sato Koichi	1997.43
4	Black	Win	Uchiyama Yasuhiko	1825.57
5	Black	Loss	Miyagawa Sou	2105.84
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2040.17
Round	Color	Result	Opponent
1	Black	Win	Oosaku Kazuyuki	1847.45
2	Black	Loss	Isobe Taizan	2422.22
3	White	Loss	Itami Yoshiyuki	2153.37
4	White	Win	Yamauchi Yasuhiro	1804.87
20th Kanto Shineisen Tournament
Date	2003-09-21		Rating	2046.34
Round	Color	Result	Opponent
1	Black	Win	Koyama Jun	2166.84
2	Black	Loss	Arita Nobuyoshi	2216.32
3	Black	Loss	Sato Kiyotomi	2306.59
4	Black	Loss	Tadokoro Hosai	1986.26
5	Black	Win	Sato Koichi	1965.82
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2098.21
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2454.68
2	White	Win	Maruta Koji	2208.05
3	White	Loss	Isobe Taizan	2448.70
4	Black	Win	Arita Nobuyoshi	2156.00
Kanto Championship
Date	2000-05-14		Rating	2054.66
Round	Color	Result	Opponent
1	White	Win	Suzuki Naoya	2168.12
2	White	Loss	Sunagawa Shouki	2215.80
3	White	Loss	Nara Hideki	2566.08
4	White	Loss	Maruta Koji	2208.65
36 Suiseisen Tournament 1st round
Date	1996-03-01		Rating	1959.87
Round	Color	Result	Opponent
4	White	Loss	Aihara Hiroshi	2041.10