Kato Yasuhiro (加藤康弘)

Place: Tokyo, Japan

Rating: 1990.12, Std: 177.08, Rank: 797

First game: 1996-03-01, Last game: 2026-01-11

Top rating: 2150.31 (2013-05-12)

Games: 447, Wins: 151, Draws: 20, Losses: 276

Gy1: 4, Gy2: 4, Gy5: 14

29th New Year (Mikami) Cup
Date	2026-01-11		Rating	1990.12
Round	Color	Result	Opponent
S1	Black	Loss	Inoue Fumiya	2589.49
S3	White	Loss	Fujita Maiko	2487.23
S4	White	Loss	Ishitani Shin-ichi	2358.05
S5	Black	Loss	Ono Takayuki	2391.30
18th All Japan Championship
Date	2024-02-12		Rating	2012.06
Round	Color	Result	Opponent
4	Black	Loss	Okabe Hiroshi	2729.17
5	Black	Loss	Toyo Koryu	2223.87
6	White	Loss	Tanaka Shotaro	2331.05
39 Kanto Championship
Date	2022-07-31		Rating	2053.44
Round	Color	Result	Opponent
4	White	Win	Kasahara Reiko	1739.17
5	Black	Win	Li Haoyang	2014.94
6	Black	Loss	Okabe Hiroshi	2704.14
22 Renju Emperor Tournament Kanto area 1st round
Date	2021-11-21		Rating	2056.28
Round	Color	Result	Opponent
1	White	Loss	Tanaka Shotaro	2294.91
2	White	Loss	Kato Shota	2054.25
3	Black	Loss	Tomobe Katsuhiro	2151.05
4	White	Win	Kasahara Reiko	1731.58
38 Kanto Championship
Date	2021-08-08		Rating	2068.41
Round	Color	Result	Opponent
4	White	Win	Okada Akihiro	1909.13
5	Black	Win	Li Haoyang	1980.87
6	White	Loss	Kamiya Shunsuke	2860.67
37 Kanto Championship
Date	2020-08-10		Rating	2084.05
Round	Color	Result	Opponent
1	White	Win	Kasahara Reiko	1732.82
2	White	Loss	Okabe Hiroshi	2736.80
3	White	Loss	Maruta Hiroki	2249.83
4	Black	Win	Shimura Hiroki	1968.99
5	White	Win	Maruta Koji	2122.73
6	White	Draw	Kawaai Hitoshi	2015.93
33 Kanto Championship
Date	2016-07-31		Rating	2046.94
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2626.97
2	Black	Win	Nakamura Souta	2278.55
3	Black	Loss	Maruta Koji	2182.01
4	Black	Win	Cho Enkun	1653.67
5	White	Loss	Ishitani Shin-ichi	2390.94
6	White	Loss	Fujikawa Masaki	2109.09
11th All Japan Championship
Date	2016-01-11		Rating	2041.76
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2541.09
2	White	Loss	Kudomi Takahiro	2209.46
3	Black	Loss	Nishida Toshio	2085.44
4	White	Loss	Maruta Hiroki	2125.94
5	Black	Loss	Maruta Koji	2196.67
6	Black	Win	Chigira Makoto	2032.24
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2046.33
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2719.27
2	Black	Loss	Nakamura Souta	2299.84
3	White	Loss	Maruta Hiroki	2126.24
4	White	Win	Hashimoto Takuya	2017.41
Kanto Championship
Date	2015-07-20		Rating	2057.59
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2401.67
2	Black	Loss	Iwano Fumio	2254.56
3	Black	Win	Kudomi Takahiro	2229.26
4	Black	Win	Tanizaki Ryusuke	2188.06
5	White	Loss	Maruta Koji	2207.94
6	Black	Loss	Maruta Hiroki	2107.77
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2061.85
Round	Color	Result	Opponent
1	White	Loss	Nakamura Souta	2295.53
2	White	Loss	Ono Takayuki	2331.75
3	White	Loss	Tanizaki Ryusuke	2199.02
4	Black	Win	Chigira Makoto	2006.54
10th All Japan Championship
Date	2015-03-29		Rating	2065.65
Round	Color	Result	Opponent
1	White	Loss	Tachi Masaya	2483.83
2	Black	Win	Inoue Fumiya	2246.98
3	White	Loss	Koyama Jun	2608.77
4	Black	Loss	Nagao Noriaki	2281.70
5	White	Loss	Kubo Izumi	2087.54
6	Black	Loss	Kim Chang-Su	2089.10
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2088.85
Round	Color	Result	Opponent
1	White	Win	Nakamura Souta	2229.67
2	White	Loss	Okabe Hiroshi	2749.66
3	White	Loss	Iwano Fumio	2259.25
4	Black	Win	Tomobe Katsuhiro	2093.56
1st Senior Masters Championship
Date	2014-08-29		Rating	2091.76
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2432.85
2	Black	Win	Kobayashi Koichi	2253.01
3	White	Loss	Kubo Izumi	2091.77
4	White	Win	Miura Hitoshi	1803.49
5	White	Loss	Miyagawa Junzo	2221.48
6	Black	Loss	Ishitani Shin-ichi	2454.17
7	Black	Loss	Mitsumori Masao	2340.05
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2099.26
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2328.43
2	White	Loss	Iwano Fumio	2264.18
3	Black	Loss	Tamura Kazumasa	2503.79
4	White	Loss	Tada Ayako	2315.94
31th Kanto Championship
Date	2014-05-11		Rating	2104.32
Round	Color	Result	Opponent
2	Black	Loss	Iwano Fumio	2263.41
3	White	Win	Nakamura Souta	2155.78
4	Black	Loss	Sato Kiyotomi	2473.01
5	White	Win	Maruta Hiroki	2105.60
9th All Japan Championship
Date	2014-01-26		Rating	2115.31
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2519.31
2	Black	Loss	Kamiya Shunsuke	2584.94
3	Black	Loss	Mano Yoshihisa	2317.95
4	White	Loss	Sato Kiyotomi	2465.83
6	Black	Loss	Kon Akira	1991.23
11th Middle-dan players Tournament
Date	2013-08-17		Rating	2135.49
Round	Color	Result	Opponent
1	Black	Loss	Fukui Nobuhiro	2598.18
2	White	Win	Maruta Koji	2176.63
3	White	Loss	Kashihara Akihiko	2343.17
4	White	Win	Miyagawa Junzo	2221.17
5	Black	Loss	Mano Yoshihisa	2316.16
6	White	Loss	Kubo Izumi	2095.26
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2138.66
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2469.89
2	White	Loss	Kudomi Takahiro	2392.69
3	Black	Loss	Mitsumori Masao	2334.28
4	White	Loss	Kamiya Shunsuke	2551.79
5	White	Loss	Tomobe Katsuhiro	2155.42
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2147.13
Round	Color	Result	Opponent
1	Black	Win	Mitsumori Masao	2335.39
2	White	Win	Isobe Taizan	2393.86
3	Black	Draw	Maruta Hiroki	2143.03
4	White	Loss	Kudomi Takahiro	2406.17
29th Kanto Championship
Date	2013-05-12		Rating	2150.31
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2868.15
2	White	Win	Iwano Fumio	2183.98
3	Black	Win	Tomobe Katsuhiro	2161.68
4	White	Loss	Kudomi Takahiro	2415.02
5	Black	Win	Mitsumori Masao	2336.76
8th All Japan Championship
Date	2013-03-24		Rating	2145.97
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2378.13
2	White	Win	Miyagawa Junzo	2220.89
3	Black	Loss	Mitsumori Masao	2341.42
4	White	Loss	Tada Ayako	2290.70
5	Black	Win	Tomobe Katsuhiro	2164.55
6	Black	Loss	Kubo Izumi	2092.89
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2141.78
Round	Color	Result	Opponent
A1	White	Win	Fujikawa Masaki	2031.56
A2	White	Win	Ozawa Tetsushi	2052.77
A3	Black	Win	Tomobe Katsuhiro	2178.90
A4	White	Win	Tanizaki Ryusuke	2132.51
A5	White	Win	Iwano Fumio	2157.02
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2112.64
Round	Color	Result	Opponent
1	Black	Loss	Mitsumori Masao	2348.62
2	Black	Win	Higuchi Fumiya	1605.84
3	White	Loss	Isobe Taizan	2412.75
4	White	Loss	Sato Kiyotomi	2408.69
52 Suiseisen Tournament 1st round
Date	2012-09-23		Rating	2105.10
Round	Color	Result	Opponent
1	White	Loss	Tada Ayako	2303.54
2	Black	Win	Higuchi Fumiya	1607.18
3	Black	Loss	Tomobe Katsuhiro	2196.26
4	White	Loss	Iwano Fumio	2146.89
10th Middle-dan players Tournament
Date	2012-08-26		Rating	2100.67
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2214.89
2	Black	Loss	Ono Takayuki	2431.30
3	Black	Loss	Kobayashi Koichi	2234.56
4	White	Loss	Kubo Izumi	2092.24
5	White	Win	Suzuki Junichiro	1921.18
6	White	Win	Mano Yoshihisa	2255.73
29th Kanto Championship
Date	2012-05-13		Rating	2076.22
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2367.47
2	White	Loss	Iwano Fumio	2133.05
3	Black	Loss	Matsuoka Teruo	2018.61
4	Black	Draw	Maruta Hiroki	2090.04
5	Black	Loss	Tada Ayako	2285.68
29th Kanto Shineisen Tournament
Date	2012-04-15		Rating	2073.96
Round	Color	Result	Opponent
1	White	Win	Kon Akira	2012.44
2	White	Win	Tomobe Katsuhiro	2205.43
3	White	Loss	Iwano Fumio	2128.47
4	Black	Loss	Maruta Hiroki	2087.57
5	Black	Loss	Matsuoka Teruo	2015.67
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2072.66
Round	Color	Result	Opponent
A1	White	Loss	Tada Ayako	2277.61
A2	White	Win	Iwano Fumio	2122.93
A3	White	Loss	Fukui Nobuhiro	2495.74
A4	White	Loss	Kon Akira	2015.11
A5	White	Loss	Nakayama Tomoharu	2612.84
7th All Japan Championship
Date	2012-01-29		Rating	2072.82
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2427.35
2	White	Loss	Fukui Nobuhiro	2489.35
3	Black	Win	Matsuoka Teruo	2007.75
4	White	Loss	Kubo Izumi	2099.95
5	White	Win	Maruta Hiroki	2086.61
6	Black	Loss	Kobayashi Koichi	2210.94
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2073.66
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2711.67
2	Black	Loss	Tada Ayako	2255.21
3	Black	Win	Maruta Hiroki	2086.43
4	White	Loss	Kobayashi Koichi	2189.91
51 Suiseisen Tournament Final round
Date	2011-10-09		Rating	2073.95
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2089.50
2	White	Loss	Nakayama Tomoharu	2586.63
3	White	Loss	Kawano Takahisa	2360.57
4	White	Draw	Tada Ayako	2253.62
5	White	Loss	Kamiya Shunsuke	2441.21
51 Suiseisen Tournament
Date	2011-09-11		Rating	2076.25
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1989.67
2	White	Win	Tada Ayako	2249.47
3	White	Loss	Kamiya Shunsuke	2435.83
4	White	Win	Maruta Hiroki	2096.12
28th Kanto Championship
Date	2011-05-22		Rating	2066.50
Round	Color	Result	Opponent
1	White	Draw	Oosumi Yuuki	2741.35
2	White	Loss	Tamada Yoichi	2509.00
3	White	Loss	Kamiya Shunsuke	2417.19
4	Black	Loss	Nakayama Tomoharu	2547.75
5	Black	Win	Maruta Hiroki	2111.55
28th Kanto Shineisen Tournament
Date	2011-04-17		Rating	2060.36
Round	Color	Result	Opponent
1	White	Loss	Iwano Fumio	2132.43
2	Black	Loss	Maruta Hiroki	2120.53
3	White	Loss	Arai Kazumi	2366.75
4	Black	Win	Kato Hiroaki	1735.20
5	White	Loss	Matsuoka Teruo	2001.62
3rd Tohoku Championship
Date	2011-02-27		Rating	2059.43
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2515.55
2	Black	Loss	Miyagawa Sou	2122.40
3	Black	Win	Yamamoto Harue	1686.60
4	Black	Loss	Tanno Yoshitaka	2101.92
5	Black	Win	Sato Ryota	1478.40
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2061.32
Round	Color	Result	Opponent
A1	White	Loss	Iwano Fumio	2132.58
A2	Black	Loss	Kise Katsumi	2522.49
A3	White	Loss	Ozawa Tetsushi	2094.20
A4	White	Win	Shimoyama Takuma	2225.77
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2069.46
Round	Color	Result	Opponent
1	White	Loss	Nakayama Tomoharu	2521.08
1	White	Loss	Maruta Koji	2111.47
3	White	Win	Matsuoka Teruo	1979.34
4	White	Loss	Shimoyama Takuma	2241.57
50 Suiseisen Tournament
Date	2010-09-12		Rating	2076.05
Round	Color	Result	Opponent
1	White	Win	Fukui Nobuhiro	2335.10
2	White	Loss	Kamiya Shunsuke	2366.21
3	White	Win	Iwano Fumio	2118.15
4	White	Loss	Tada Ayako	2200.71
9th Middle-dan Players Tournament
Date	2010-08-29		Rating	2076.55
Round	Color	Result	Opponent
1	Black	Loss	Matsuo Toshiko	1958.50
2	White	Loss	Kubo Izumi	2110.41
3	Black	Win	Suzuki Junichiro	1919.51
4	Black	Loss	Ono Takayuki	2383.39
5	White	Loss	Ozawa Tetsushi	2087.88
6	White	Win	Yasumoto Yoshinobu	1979.43
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2086.44
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2303.24
2	Black	Loss	Ono Takayuki	2388.28
3	White	Loss	Tada Ayako	2194.54
4	Black	Draw	Tanno Yoshitaka	2087.18
27th Kanto Championship
Date	2010-05-23		Rating	2094.74
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2585.05
2	White	Draw	Tada Ayako	2190.94
3	Black	Win	Maruta Hiroki	2082.60
4	Black	Win	Tomobe Katsuhiro	2209.26
5	Black	Loss	Tamura Kazumasa	2508.87
27th Kanto Shineisen Tournament
Date	2010-04-04		Rating	2100.18
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1977.67
2	White	Win	Takagi Tomoyuki	2179.27
3	White	Win	Fukui Nobuhiro	2314.32
4	White	Loss	Arai Kazumi	2312.25
5	Black	Win	Maruta Hiroki	2084.07
43 Touryumonsen Tournament
Date	2010-03-28		Rating	2100.20
Round	Color	Result	Opponent
1	White	Win	Ozawa Tetsushi	2065.90
2	Black	Win	Kawasaki Nobuhiko	2180.44
3	White	Win	Kon Akira	1978.11
4	White	Loss	Tada Ayako	2179.52
5	Black	Loss	Fukui Nobuhiro	2314.60
5th All Japan Championship
Date	2010-03-21		Rating	2099.62
Round	Color	Result	Opponent
1	Black	Loss	Tamura Kazumasa	2511.62
2	Black	Win	Miyoshi Takeo	2112.56
3	White	Loss	Ono Takayuki	2384.12
4	Black	Loss	Iwano Fumio	2118.04
5	White	Loss	Miyagawa Sou	2133.03
6	White	Win	Fujikawa Masaki	2035.40
2nd Tohoku Championship
Date	2010-03-14		Rating	2099.23
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2397.83
2	Black	Win	Hirono Masakazu	1969.76
3	Black	Draw	Kusajima Masato	2170.81
4	Black	Win	Miyagawa Sou	2133.37
5	Black	Loss	Tamada Yoichi	2447.27
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2088.94
Round	Color	Result	Opponent
A1	Black	Win	Iwano Fumio	2124.81
A2	Black	Win	Matsuoka Teruo	1966.80
A3	White	Loss	Tamada Yoichi	2436.07
A4	White	Loss	Fujikawa Masaki	2046.23
A5	White	Loss	Shimoyama Takuma	2264.60
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2068.97
Round	Color	Result	Opponent
A1	White	Loss	Tanaka Shingo	2204.08
A2	White	Loss	Tamada Yoichi	2407.42
A3	White	Win	Okuda Shingo	1941.14
A4	White	Win	Ozawa Tetsushi	2062.93
A5	White	Win	Saito Masashi	2081.45
A6	White	Loss	Suzuki Rin	1957.74
49 Suiseisen Tournament Final round
Date	2009-10-25		Rating	2065.27
Round	Color	Result	Opponent
1	White	Win	Tanji Hiroki	2052.55
2	Black	Loss	Shimoyama Takuma	2255.37
3	Black	Loss	Tashiro Yuichi	2288.40
4	White	Loss	Tamada Yoichi	2402.60
5	White	Win	Maruta Hiroki	2094.56
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2058.72
Round	Color	Result	Opponent
1	White	Loss	Fukui Nobuhiro	2318.93
2	White	Loss	Tada Ayako	2143.15
3	Black	Win	Matsuoka Teruo	1930.35
4	White	Loss	Tanji Hiroki	2053.79
49 Suiseisen Tournament 1st round
Date	2009-09-06		Rating	2052.31
Round	Color	Result	Opponent
1	Black	Loss	Tanji Hiroki	2052.60
2	White	Win	Fujikawa Masaki	2052.51
3	White	Win	Takeuchi Shunsuke	1958.36
4	Black	Win	Kawasaki Nobuhiko	2135.65
8th Middle-dan Players Tournament
Date	2009-08-30		Rating	2049.94
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2263.86
2	Black	Loss	Miyagawa Junzo	2202.33
3	Black	Loss	Kobayashi Koichi	2132.35
4	White	Loss	Kubo Izumi	2114.63
5	White	Loss	Ono Takayuki	2402.50
6	White	Loss	Gakumazawa Hideaki	2139.64
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2030.71
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2513.84
2	White	Loss	Shimoyama Takuma	2241.73
4	White	Loss	Nagao Noriaki	2295.11
26th Kanto Championship
Date	2009-05-17		Rating	2025.17
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2858.01
2	White	Loss	Ono Takayuki	2409.20
3	White	Loss	Shimoyama Takuma	2238.35
4	Black	Win	Suzuki Rin	1947.04
5	White	Loss	Maruta Koji	2109.42
26th Kanto Shineisen Tournament
Date	2009-04-05		Rating	2018.38
Round	Color	Result	Opponent
1	White	Win	Tanji Hiroki	2035.06
2	White	Loss	Watanabe Tatsuya	2170.24
3	Black	Win	Kon Akira	1959.48
4	White	Loss	Fujikawa Masaki	2069.74
5	White	Loss	Shimoyama Takuma	2232.83
4th All Japan Championship
Date	2009-03-21		Rating	2015.96
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2413.46
2	White	Loss	Tamada Yoichi	2298.01
3	White	Win	Suzuki Rin	1953.18
4	Black	Loss	Sakamoto Suzan	2290.40
5	White	Loss	Kobayashi Koichi	2118.24
6	Black	Win	Fujikawa Masaki	2069.14
42nd Touryumonsen Tournament
Date	2009-03-15		Rating	2014.86
Round	Color	Result	Opponent
1	White	Loss	Ozawa Tetsushi	2086.12
3	White	Loss	Kon Akira	1959.17
4	Black	Loss	Yoshikawa Hiromasa	2199.76
5	White	Loss	Tanaka Shingo	2202.23
6	White	Win	Sakaue Ryota	1675.70
7	White	Win	Saito Masashi	2053.53
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2009.62
Round	Color	Result	Opponent
A1	White	Win	Fujikawa Masaki	2080.73
A2	White	Draw	Ozawa Tetsushi	2085.27
A3	White	Loss	Tanizaki Ryusuke	2131.26
A4	White	Loss	Maruta Hiroki	2082.49
A5	Black	Win	Kuramoto Hideharu	1902.09
9th Kanto Renju Emperor Tournament, 2nd round
Date	2008-11-16		Rating	2001.42
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2860.63
2	White	Loss	Nakayama Tomoharu	2289.87
3	Black	Loss	Kudomi Takahiro	2355.45
4	Black	Loss	Okabe Hiroshi	2684.32
5	Black	Loss	Sato Kiyotomi	2451.89
40th Kyoto Classified Tournament - group 1
Date	2008-11-09		Rating	2000.80
Round	Color	Result	Opponent
1	Black	Win	Nishimura Koichi	1871.25
2	Black	Loss	Ozawa Tetsushi	2082.55
3	Black	Loss	Kamei Shigeo	1757.56
5	White	Draw	Okuda Shingo	1946.79
6	White	Win	Kamatani Teruhiro	1581.52
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2000.89
Round	Color	Result	Opponent
1	Black	Win	Shinoda Masaki	1623.90
2	Black	Loss	Mitsumori Masao	2329.47
3	White	Win	Iwano Fumio	2168.11
4	Black	Win	Kuramoto Hideharu	1908.12
7th 6-7 dan Tournament
Date	2008-09-28		Rating	1997.76
Round	Color	Result	Opponent
1	White	Loss	Maruyama Yasushi	2234.93
2	Black	Loss	Kobayashi Koichi	2109.53
3	White	Loss	Tanno Yoshitaka	2119.17
4	Black	Loss	Gakumazawa Hideaki	2179.30
6	White	Win	Suzuki Junichiro	1885.02
25th Kanto Championship
Date	2008-05-18		Rating	1994.68
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2859.94
2	Black	Win	Iwano Fumio	2184.16
3	Black	Win	Kudomi Takahiro	2336.57
4	White	Loss	Mitsumori Masao	2309.92
5	Black	Loss	Isobe Taizan	2425.82
25th Kanto Shineisen Tournament
Date	2008-04-13		Rating	1988.41
Round	Color	Result	Opponent
1	Black	Loss	Matsuoka Teruo	1878.88
2	White	Win	Takeuchi Yuuta	1853.76
3	Black	Loss	Fujikawa Masaki	2104.26
4	Black	Win	Harada Motochika	1790.39
5	Black	Loss	Watanabe Tatsuya	2156.70
3rd All Japan Championship
Date	2008-03-23		Rating	1986.31
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2396.35
2	Black	Win	Maruta Koji	2084.83
3	White	Draw	Tanizaki Ryusuke	2122.15
4	Black	Loss	Sato Kiyotomi	2416.70
5	White	Loss	Fujikawa Masaki	2107.00
6	Black	Win	Tadokoro Hosai	1927.15
11th Mikami Cup Tournament, A-Class
Date	2008-01-20		Rating	1974.80
Round	Color	Result	Opponent
1	Black	Win	Matsuoka Teruo	1876.43
2	White	Loss	Iwano Fumio	2187.50
3	Black	Loss	Kuramoto Hideharu	1917.30
4	White	Loss	Tamada Yoichi	2190.95
5	White	Loss	Ozawa Tetsushi	2033.46
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	1969.16
Round	Color	Result	Opponent
1	Black	Loss	Suzuki Rin	1957.40
2	White	Win	Tanji Hiroki	1936.56
3	Black	Loss	Nakayama Tomoharu	2203.90
4	Black	Loss	Maruta Hiroki	2029.03
5	White	Loss	Watanabe Tatsuya	2140.24
6dan 7dan Tournament
Date	2007-10-08		Rating	1969.74
Round	Color	Result	Opponent
1	White	Loss	Ono Takayuki	2376.53
2	White	Win	Kubo Izumi	2081.82
3	White	Loss	Gakumazawa Hideaki	2181.38
4	White	Win	Tadokoro Hosai	1933.37
5	White	Loss	Miyagawa Junzo	2268.53
6	Black	Loss	Sato Kiyotomi	2402.12
47 Suiseisen Tournament 1st round
Date	2007-09-23		Rating	1969.47
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2113.40
2	Black	Loss	Watanabe Yoko	2058.62
3	Black	Win	Maruta Hiroki	2027.12
4	White	Win	Matsuoka Teruo	1873.55
24th Kanto Shineisen Tournament
Date	2007-04-15		Rating	1961.78
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1877.70
2	Black	Loss	Teshima Masakatsu	1953.04
3	Black	Win	Tanji Hiroki	1903.19
4	Black	Loss	Tamada Yoichi	2125.29
5	White	Loss	Ozawa Tetsushi	2014.78
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	1964.09
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2286.66
2	Black	Loss	Oosumi Yuuki	2507.99
3	Black	Loss	Maruta Hiroki	2024.75
4	Black	Loss	Tanizaki Ryusuke	2140.62
5	White	Loss	Ishitani Shin-ichi	2389.94
6	Black	Loss	Kuramoto Hideharu	1888.80
10th Mikami Cup Tournament, A-class
Date	2007-01-28		Rating	1979.84
Round	Color	Result	Opponent
1	White	Win	Watanabe Tatsuya	2123.77
2	Black	Win	Maruta Hiroki	2021.53
3	White	Loss	Iwano Fumio	2143.51
4	Black	Loss	Kobayashi Koichi	2099.11
5	White	Loss	Matsuoka Teruo	1875.24
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2009.44
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Jyunko	1815.57
2	White	Win	Abiko Setsuko	2036.46
3	White	Draw	Isobe Taizan	2415.09
4	Black	Loss	Mitsumori Masao	2247.51
5	White	Loss	Kudomi Takahiro	2287.21
23rd Kanto Shinei Tournament
Date	2006-09-10		Rating	2016.10
Round	Color	Result	Opponent
1	White	Win	Kamemoto Daichi	2197.60
2	Black	Loss	Iwano Fumio	2110.56
3	White	Draw	Watanabe Yoko	2031.65
4	Black	Loss	Tanizaki Ryusuke	2127.24
5	White	Loss	Maruta Hiroki	2003.44
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2036.44
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2253.42
2	Black	Loss	Nagao Noriaki	2234.80
3	Black	Win	Hara Masao	2083.80
4	Black	Draw	Kubo Izumi	2105.71
23rd Kanto Championship
Date	2006-05-21		Rating	2042.59
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2258.78
2	Black	Draw	Iwano Fumio	2095.02
3	White	Loss	Tomobe Katsuhiro	2091.30
4	Black	Loss	Nagao Noriaki	2228.29
5	Black	Win	Fujikawa Masaki	2030.93
46th Suisei-sen tournament final round
Date	2006-04-16		Rating	2051.65
Round	Color	Result	Opponent
	White	Win	Itami Yoshiyuki	2157.57
	White	Draw	Nagao Noriaki	2221.46
	Black	Loss	Hara Masao	2077.87
	Black	Win	Koyama Jun	2328.80
	Black	Loss	Ono Takayuki	2304.62
1st All Japan Championship
Date	2006-03-26		Rating	2054.63
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2494.56
2	Black	Loss	Oosumi Yuuki	2420.98
3	White	Loss	Mitsumori Masao	2261.23
4	Black	Draw	Kudomi Takahiro	2275.54
5	White	Loss	Maruta Koji	2126.58
6	White	Win	Nagao Noriaki	2221.44
46th Suisei-sen Tournament - 1st round
Date	2006-03-12		Rating	2054.76
Round	Color	Result	Opponent
1	Black	Loss	Kamemoto Daichi	2190.03
2	White	Win	Tanizaki Ryusuke	2111.54
3	Black	Win	Iwano Fumio	2079.30
4	White	Win	Watanabe Tatsuya	2132.99
9th Mikami Cup - A Class
Date	2006-01-29		Rating	2048.56
Round	Color	Result	Opponent
1	White	Loss	Watanabe Tatsuya	2133.91
2	White	Win	Matsuoka Teruo	1825.18
3	Black	Win	Oonuma Nobuhiro	1842.87
4	White	Win	Kamemoto Daichi	2185.05
5	White	Loss	Oosumi Yuuki	2415.38
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2026.80
Round	Color	Result	Opponent
1	Black	Loss	Teshima Masakatsu	1957.92
2	White	Loss	Yamauchi Takahiro	2034.95
3	White	Win	Yoda Tsuyoshi	1702.15
4	White	Loss	Tanizaki Ryusuke	2104.32
22nd Kanto Shineisen Tournament
Date	2005-09-11		Rating	2023.91
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2075.06
2	White	Win	Nakata Shinsuke	1960.68
3	White	Loss	Sasaki Miyu	1945.11
4	Black	Loss	Tanizaki Ryusuke	2099.32
5	Black	Win	Ishizaki Masatoshi	1896.90
Japan WC Qualification tournament
Date	2005-04-03		Rating	2025.00
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2388.50
2	White	Draw	Ono Takayuki	2295.97
3	Black	Loss	Miyagawa Junzo	2253.30
4	White	Loss	Oosumi Yuuki	2370.16
5	White	Loss	Maruta Koji	2162.98
6	Black	Win	Hara Masao	2054.22
45th Suisei-sen Tournament
Date	2005-03-20		Rating	2023.36
Round	Color	Result	Opponent
1	Black	Loss	Matsuoka Teruo	1875.25
2	White	Win	Tanizaki Ryusuke	2071.97
3	Black	Loss	Sasaki Miyu	1963.04
4	White	Loss	Tomobe Katsuhiro	2040.63
8th Mikami Cup - A Class
Date	2005-01-23		Rating	2024.22
Round	Color	Result	Opponent
1	Black	Win	Sasaki Miyu	1958.42
2	Black	Draw	Hara Masao	2060.17
3	White	Loss	Koyama Jun	2255.19
4	White	Win	Arita Nobuyoshi	2286.32
5	White	Loss	Sato Takuma	2178.54
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2020.26
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1887.68
2	White	Win	Itami Yoshiyuki	2163.94
3	White	Loss	Tomobe Katsuhiro	2030.85
4	Black	Loss	Watanabe Tatsuya	2083.30
21st Kanto Shineisen Tournament
Date	2004-09-12		Rating	2022.35
Round	Color	Result	Opponent
1	Black	Loss	Itami Yoshiyuki	2157.57
2	Black	Win	Maruta Hiroki	1954.36
3	White	Loss	Tashiro Yuichi	2288.56
4	White	Loss	Sasaki Miyu	1956.53
5	Black	Win	Iwano Fumio	2027.09
7th Mikami Cup - A class
Date	2004-01-25		Rating	2033.12
Round	Color	Result	Opponent
1	White	Win	Sasaki Miyu	1937.74
2	White	Loss	Arita Nobuyoshi	2237.06
3	Black	Loss	Sato Koichi	1998.24
4	Black	Win	Uchiyama Yasuhiko	1826.10
5	Black	Loss	Miyagawa Sou	2106.59
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2040.92
Round	Color	Result	Opponent
1	Black	Win	Oosaku Kazuyuki	1847.93
2	Black	Loss	Isobe Taizan	2423.44
3	White	Loss	Itami Yoshiyuki	2154.37
4	White	Win	Yamauchi Yasuhiro	1805.26
20th Kanto Shineisen Tournament
Date	2003-09-21		Rating	2047.09
Round	Color	Result	Opponent
1	Black	Win	Koyama Jun	2167.33
2	Black	Loss	Arita Nobuyoshi	2217.59
3	Black	Loss	Sato Kiyotomi	2307.55
4	Black	Loss	Tadokoro Hosai	1986.50
5	Black	Win	Sato Koichi	1966.57
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2098.97
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2455.68
2	White	Win	Maruta Koji	2208.90
3	White	Loss	Isobe Taizan	2449.60
4	Black	Win	Arita Nobuyoshi	2157.63
Kanto Championship
Date	2000-05-14		Rating	2055.30
Round	Color	Result	Opponent
1	White	Win	Suzuki Naoya	2169.11
2	White	Loss	Sunagawa Shouki	2216.01
3	White	Loss	Nara Hideki	2566.82
4	White	Loss	Maruta Koji	2209.30
36 Suiseisen Tournament 1st round
Date	1996-03-01		Rating	1960.26
Round	Color	Result	Opponent
4	White	Loss	Aihara Hiroshi	2041.24