Kato Yasuhiro (加藤康弘)

Place: Tokyo, Japan

Rating: 2048.62, Std: 129.12, Rank: 550

First game: 1996-03-01, Last game: 2022-07-31

Top rating: 2103.70 (2013-05-12)

Games: 440, Wins: 151, Draws: 20, Losses: 269

Gy1: 3, Gy2: 10, Gy5: 16

39 Kanto Championship
Date	2022-07-31		Rating	2048.62
Round	Color	Result	Opponent
4	White	Win	Kasahara Reiko	1609.37
5	Black	Win	Li Haoyang	1928.38
6	Black	Loss	Okabe Hiroshi	2633.56
22 Renju Emperor Tournament Kanto area 1st round
Date	2021-11-21		Rating	2041.62
Round	Color	Result	Opponent
1	White	Loss	Tanaka Shotaro	2246.25
2	White	Loss	Kato Shota	2024.43
3	Black	Loss	Tomobe Katsuhiro	2085.27
4	White	Win	Kasahara Reiko	1620.65
38 Kanto Championship
Date	2021-08-08		Rating	2047.42
Round	Color	Result	Opponent
4	White	Win	Okada Akihiro	1837.51
5	Black	Win	Li Haoyang	1912.42
6	White	Loss	Kamiya Shunsuke	2801.47
37 Kanto Championship
Date	2020-08-10		Rating	2053.10
Round	Color	Result	Opponent
1	White	Win	Kasahara Reiko	1638.95
2	White	Loss	Okabe Hiroshi	2674.52
3	White	Loss	Maruta Hiroki	2187.18
4	Black	Win	Shimura Hiroki	1948.57
5	White	Win	Maruta Koji	2072.54
6	White	Draw	Kawaai Hitoshi	1970.75
33 Kanto Championship
Date	2016-07-31		Rating	2020.86
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2573.71
2	Black	Win	Nakamura Souta	2235.05
3	Black	Loss	Maruta Koji	2134.61
4	Black	Win	Cho Enkun	1634.80
5	White	Loss	Ishitani Shin-ichi	2350.69
6	White	Loss	Fujikawa Masaki	2068.93
11th All Japan Championship
Date	2016-01-11		Rating	2017.51
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2479.46
2	White	Loss	Kudomi Takahiro	2190.72
3	Black	Loss	Nishida Toshio	2054.85
4	White	Loss	Maruta Hiroki	2087.48
5	Black	Loss	Maruta Koji	2147.60
6	Black	Win	Chigira Makoto	2001.65
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2020.91
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2672.38
2	Black	Loss	Nakamura Souta	2247.95
3	White	Loss	Maruta Hiroki	2087.49
4	White	Win	Hashimoto Takuya	1989.43
Kanto Championship
Date	2015-07-20		Rating	2029.58
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2362.46
2	Black	Loss	Iwano Fumio	2213.74
3	Black	Win	Kudomi Takahiro	2209.01
4	Black	Win	Tanizaki Ryusuke	2150.01
5	White	Loss	Maruta Koji	2156.71
6	Black	Loss	Maruta Hiroki	2074.63
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2033.44
Round	Color	Result	Opponent
1	White	Loss	Nakamura Souta	2241.78
2	White	Loss	Ono Takayuki	2298.75
3	White	Loss	Tanizaki Ryusuke	2158.08
4	Black	Win	Chigira Makoto	1984.86
10th All Japan Championship
Date	2015-03-29		Rating	2036.68
Round	Color	Result	Opponent
1	White	Loss	Tachi Masaya	2443.35
2	Black	Win	Inoue Fumiya	2239.03
3	White	Loss	Koyama Jun	2559.88
4	Black	Loss	Nagao Noriaki	2262.36
5	White	Loss	Kubo Izumi	2055.70
6	Black	Loss	Kim Chang-Su	2055.23
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2054.68
Round	Color	Result	Opponent
1	White	Win	Nakamura Souta	2191.29
2	White	Loss	Okabe Hiroshi	2699.85
3	White	Loss	Iwano Fumio	2216.34
4	Black	Win	Tomobe Katsuhiro	2072.75
1st Senior Masters Championship
Date	2014-08-29		Rating	2057.56
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2389.49
2	Black	Win	Kobayashi Koichi	2218.20
3	White	Loss	Kubo Izumi	2059.12
4	White	Win	Miura Hitoshi	1786.56
5	White	Loss	Miyagawa Junzo	2186.72
6	Black	Loss	Ishitani Shin-ichi	2404.42
7	Black	Loss	Mitsumori Masao	2299.67
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2063.92
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2292.11
2	White	Loss	Iwano Fumio	2218.11
3	Black	Loss	Tamura Kazumasa	2480.68
4	White	Loss	Tada Ayako	2276.60
31th Kanto Championship
Date	2014-05-11		Rating	2067.79
Round	Color	Result	Opponent
2	Black	Loss	Iwano Fumio	2217.16
3	White	Win	Nakamura Souta	2135.68
4	Black	Loss	Sato Kiyotomi	2431.42
5	White	Win	Maruta Hiroki	2074.89
9th All Japan Championship
Date	2014-01-26		Rating	2076.84
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2489.79
2	Black	Loss	Kamiya Shunsuke	2543.94
3	Black	Loss	Mano Yoshihisa	2281.37
4	White	Loss	Sato Kiyotomi	2425.80
6	Black	Loss	Kon Akira	1961.87
11th Middle-dan players Tournament
Date	2013-08-17		Rating	2092.77
Round	Color	Result	Opponent
1	Black	Loss	Fukui Nobuhiro	2550.24
2	White	Win	Maruta Koji	2136.74
3	White	Loss	Kashihara Akihiko	2298.73
4	White	Win	Miyagawa Junzo	2185.61
5	Black	Loss	Mano Yoshihisa	2278.59
6	White	Loss	Kubo Izumi	2062.70
51 Meijinsen Qualification East-Japan area 2nd round
Date	2013-07-21		Rating	2095.24
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2427.37
2	White	Loss	Kudomi Takahiro	2350.49
3	Black	Loss	Mitsumori Masao	2298.87
4	White	Loss	Kamiya Shunsuke	2513.27
5	White	Loss	Tomobe Katsuhiro	2123.34
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2101.28
Round	Color	Result	Opponent
1	Black	Win	Mitsumori Masao	2299.96
2	White	Win	Isobe Taizan	2363.12
3	Black	Draw	Maruta Hiroki	2102.88
4	White	Loss	Kudomi Takahiro	2361.05
29th Kanto Championship
Date	2013-05-12		Rating	2103.70
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2829.12
2	White	Win	Iwano Fumio	2153.60
3	Black	Win	Tomobe Katsuhiro	2129.38
4	White	Loss	Kudomi Takahiro	2368.44
5	Black	Win	Mitsumori Masao	2301.24
8th All Japan Championship
Date	2013-03-24		Rating	2101.00
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2347.15
2	White	Win	Miyagawa Junzo	2186.38
3	Black	Loss	Mitsumori Masao	2304.88
4	White	Loss	Tada Ayako	2256.19
5	Black	Win	Tomobe Katsuhiro	2132.53
6	Black	Loss	Kubo Izumi	2061.87
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2098.06
Round	Color	Result	Opponent
A1	White	Win	Fujikawa Masaki	2015.30
A2	White	Win	Ozawa Tetsushi	2028.59
A3	Black	Win	Tomobe Katsuhiro	2143.72
A4	White	Win	Tanizaki Ryusuke	2108.98
A5	White	Win	Iwano Fumio	2132.13
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2077.50
Round	Color	Result	Opponent
1	Black	Loss	Mitsumori Masao	2311.55
2	Black	Win	Higuchi Fumiya	1581.48
3	White	Loss	Isobe Taizan	2376.80
4	White	Loss	Sato Kiyotomi	2383.64
52 Suiseisen Tournament 1st round
Date	2012-09-23		Rating	2072.11
Round	Color	Result	Opponent
1	White	Loss	Tada Ayako	2262.66
2	Black	Win	Higuchi Fumiya	1582.43
3	Black	Loss	Tomobe Katsuhiro	2158.12
4	White	Loss	Iwano Fumio	2122.38
10th Middle-dan players Tournament
Date	2012-08-26		Rating	2068.80
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2184.05
2	Black	Loss	Ono Takayuki	2390.26
3	Black	Loss	Kobayashi Koichi	2195.60
4	White	Loss	Kubo Izumi	2063.41
5	White	Win	Suzuki Junichiro	1901.46
6	White	Win	Mano Yoshihisa	2234.73
29th Kanto Championship
Date	2012-05-13		Rating	2051.03
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2326.00
2	White	Loss	Iwano Fumio	2111.03
3	Black	Loss	Matsuoka Teruo	1982.62
4	Black	Draw	Maruta Hiroki	2065.84
5	Black	Loss	Tada Ayako	2247.69
29th Kanto Shineisen Tournament
Date	2012-04-15		Rating	2049.21
Round	Color	Result	Opponent
1	White	Win	Kon Akira	1981.08
2	White	Win	Tomobe Katsuhiro	2167.36
3	White	Loss	Iwano Fumio	2107.70
4	Black	Loss	Maruta Hiroki	2064.15
5	Black	Loss	Matsuoka Teruo	1980.56
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2048.05
Round	Color	Result	Opponent
A1	White	Loss	Tada Ayako	2240.74
A2	White	Win	Iwano Fumio	2103.72
A3	White	Loss	Fukui Nobuhiro	2459.46
A4	White	Loss	Kon Akira	1983.18
A5	White	Loss	Nakayama Tomoharu	2570.92
7th All Japan Championship
Date	2012-01-29		Rating	2047.88
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2386.63
2	White	Loss	Fukui Nobuhiro	2452.78
3	Black	Win	Matsuoka Teruo	1974.85
4	White	Loss	Kubo Izumi	2071.15
5	White	Win	Maruta Hiroki	2063.58
6	Black	Loss	Kobayashi Koichi	2176.67
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2048.11
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2670.18
2	Black	Loss	Tada Ayako	2221.78
3	Black	Win	Maruta Hiroki	2063.84
4	White	Loss	Kobayashi Koichi	2160.50
51 Suiseisen Tournament Final round
Date	2011-10-09		Rating	2048.26
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2065.99
2	White	Loss	Nakayama Tomoharu	2546.77
3	White	Loss	Kawano Takahisa	2331.09
4	White	Draw	Tada Ayako	2220.30
5	White	Loss	Kamiya Shunsuke	2412.04
51 Suiseisen Tournament
Date	2011-09-11		Rating	2049.76
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1966.33
2	White	Win	Tada Ayako	2216.64
3	White	Loss	Kamiya Shunsuke	2407.50
4	White	Win	Maruta Hiroki	2070.65
28th Kanto Championship
Date	2011-05-22		Rating	2043.11
Round	Color	Result	Opponent
1	White	Draw	Oosumi Yuuki	2703.59
2	White	Loss	Tamada Yoichi	2465.77
3	White	Loss	Kamiya Shunsuke	2392.22
4	Black	Loss	Nakayama Tomoharu	2513.54
5	Black	Win	Maruta Hiroki	2082.08
28th Kanto Shineisen Tournament
Date	2011-04-17		Rating	2039.02
Round	Color	Result	Opponent
1	White	Loss	Iwano Fumio	2109.22
2	Black	Loss	Maruta Hiroki	2088.40
3	White	Loss	Arai Kazumi	2331.71
4	Black	Win	Kato Hiroaki	1714.19
5	White	Loss	Matsuoka Teruo	1968.96
3rd Tohoku Championship
Date	2011-02-27		Rating	2038.59
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2468.83
2	Black	Loss	Miyagawa Sou	2100.58
3	Black	Win	Yamamoto Harue	1672.64
4	Black	Loss	Tanno Yoshitaka	2084.27
5	Black	Win	Sato Ryota	1466.22
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2039.96
Round	Color	Result	Opponent
A1	White	Loss	Iwano Fumio	2109.50
A2	Black	Loss	Kise Katsumi	2496.21
A3	White	Loss	Ozawa Tetsushi	2063.95
A4	White	Win	Shimoyama Takuma	2207.93
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2045.85
Round	Color	Result	Opponent
1	White	Loss	Nakayama Tomoharu	2483.76
1	White	Loss	Maruta Koji	2090.48
3	White	Win	Matsuoka Teruo	1952.38
4	White	Loss	Shimoyama Takuma	2218.93
50 Suiseisen Tournament
Date	2010-09-12		Rating	2050.52
Round	Color	Result	Opponent
1	White	Win	Fukui Nobuhiro	2321.31
2	White	Loss	Kamiya Shunsuke	2355.51
3	White	Win	Iwano Fumio	2100.58
4	White	Loss	Tada Ayako	2172.66
9th Middle-dan Players Tournament
Date	2010-08-29		Rating	2050.90
Round	Color	Result	Opponent
1	Black	Loss	Matsuo Toshiko	1941.36
2	White	Loss	Kubo Izumi	2084.38
3	Black	Win	Suzuki Junichiro	1897.36
4	Black	Loss	Ono Takayuki	2361.78
5	White	Loss	Ozawa Tetsushi	2060.67
6	White	Win	Yasumoto Yoshinobu	1959.50
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2057.62
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2281.93
2	Black	Loss	Ono Takayuki	2364.64
3	White	Loss	Tada Ayako	2166.03
4	Black	Draw	Tanno Yoshitaka	2072.90
27th Kanto Championship
Date	2010-05-23		Rating	2063.14
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2556.82
2	White	Draw	Tada Ayako	2162.47
3	Black	Win	Maruta Hiroki	2061.67
4	Black	Win	Tomobe Katsuhiro	2173.21
5	Black	Loss	Tamura Kazumasa	2479.00
27th Kanto Shineisen Tournament
Date	2010-04-04		Rating	2066.68
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1948.75
2	White	Win	Takagi Tomoyuki	2148.79
3	White	Win	Fukui Nobuhiro	2302.93
4	White	Loss	Arai Kazumi	2291.80
5	Black	Win	Maruta Hiroki	2062.36
43 Touryumonsen Tournament
Date	2010-03-28		Rating	2066.65
Round	Color	Result	Opponent
1	White	Win	Ozawa Tetsushi	2046.08
2	Black	Win	Kawasaki Nobuhiko	2148.39
3	White	Win	Kon Akira	1956.15
4	White	Loss	Tada Ayako	2152.86
5	Black	Loss	Fukui Nobuhiro	2303.01
5th All Japan Championship
Date	2010-03-21		Rating	2066.18
Round	Color	Result	Opponent
1	Black	Loss	Tamura Kazumasa	2480.23
2	Black	Win	Miyoshi Takeo	2106.49
3	White	Loss	Ono Takayuki	2361.41
4	Black	Loss	Iwano Fumio	2102.18
5	White	Loss	Miyagawa Sou	2108.56
6	White	Win	Fujikawa Masaki	2023.35
2nd Tohoku Championship
Date	2010-03-14		Rating	2065.78
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2365.40
2	Black	Win	Hirono Masakazu	1942.93
3	Black	Draw	Kusajima Masato	2159.99
4	Black	Win	Miyagawa Sou	2108.81
5	Black	Loss	Tamada Yoichi	2408.98
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2057.92
Round	Color	Result	Opponent
A1	Black	Win	Iwano Fumio	2107.58
A2	Black	Win	Matsuoka Teruo	1940.40
A3	White	Loss	Tamada Yoichi	2398.70
A4	White	Loss	Fujikawa Masaki	2031.15
A5	White	Loss	Shimoyama Takuma	2235.83
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2042.31
Round	Color	Result	Opponent
A1	White	Loss	Tanaka Shingo	2172.45
A2	White	Loss	Tamada Yoichi	2373.55
A3	White	Win	Okuda Shingo	1921.63
A4	White	Win	Ozawa Tetsushi	2044.55
A5	White	Win	Saito Masashi	2054.01
A6	White	Loss	Suzuki Rin	1942.68
49 Suiseisen Tournament Final round
Date	2009-10-25		Rating	2039.43
Round	Color	Result	Opponent
1	White	Win	Tanji Hiroki	2026.15
2	Black	Loss	Shimoyama Takuma	2229.78
3	Black	Loss	Tashiro Yuichi	2268.92
4	White	Loss	Tamada Yoichi	2369.26
5	White	Win	Maruta Hiroki	2068.72
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2034.45
Round	Color	Result	Opponent
1	White	Loss	Fukui Nobuhiro	2305.22
2	White	Loss	Tada Ayako	2121.86
3	Black	Win	Matsuoka Teruo	1913.51
4	White	Loss	Tanji Hiroki	2026.86
49 Suiseisen Tournament 1st round
Date	2009-09-06		Rating	2029.32
Round	Color	Result	Opponent
1	Black	Loss	Tanji Hiroki	2025.88
2	White	Win	Fujikawa Masaki	2037.90
3	White	Win	Takeuchi Shunsuke	1941.00
4	Black	Win	Kawasaki Nobuhiko	2115.77
8th Middle-dan Players Tournament
Date	2009-08-30		Rating	2027.52
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2228.07
2	Black	Loss	Miyagawa Junzo	2183.94
3	Black	Loss	Kobayashi Koichi	2109.91
4	White	Loss	Kubo Izumi	2089.60
5	White	Loss	Ono Takayuki	2373.48
6	White	Loss	Gakumazawa Hideaki	2117.06
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2012.36
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2478.30
2	White	Loss	Shimoyama Takuma	2220.75
4	White	Loss	Nagao Noriaki	2276.43
26th Kanto Championship
Date	2009-05-17		Rating	2007.83
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2823.53
2	White	Loss	Ono Takayuki	2378.13
3	White	Loss	Shimoyama Takuma	2218.55
4	Black	Win	Suzuki Rin	1935.86
5	White	Loss	Maruta Koji	2091.56
26th Kanto Shineisen Tournament
Date	2009-04-05		Rating	2002.07
Round	Color	Result	Opponent
1	White	Win	Tanji Hiroki	2012.70
2	White	Loss	Watanabe Tatsuya	2146.99
3	Black	Win	Kon Akira	1941.77
4	White	Loss	Fujikawa Masaki	2052.60
5	White	Loss	Shimoyama Takuma	2214.90
4th All Japan Championship
Date	2009-03-21		Rating	2000.05
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2381.01
2	White	Loss	Tamada Yoichi	2281.15
3	White	Win	Suzuki Rin	1940.33
4	Black	Loss	Sakamoto Suzan	2272.13
5	White	Loss	Kobayashi Koichi	2098.73
6	Black	Win	Fujikawa Masaki	2052.55
42nd Touryumonsen Tournament
Date	2009-03-15		Rating	1999.15
Round	Color	Result	Opponent
1	White	Loss	Ozawa Tetsushi	2061.04
3	White	Loss	Kon Akira	1941.49
4	Black	Loss	Yoshikawa Hiromasa	2171.13
5	White	Loss	Tanaka Shingo	2172.90
6	White	Win	Sakaue Ryota	1663.16
7	White	Win	Saito Masashi	2034.94
12th Mikami Cup Tournament
Date	2009-01-18		Rating	1994.37
Round	Color	Result	Opponent
A1	White	Win	Fujikawa Masaki	2061.77
A2	White	Draw	Ozawa Tetsushi	2060.24
A3	White	Loss	Tanizaki Ryusuke	2108.78
A4	White	Loss	Maruta Hiroki	2058.22
A5	Black	Win	Kuramoto Hideharu	1880.88
9th Kanto Renju Emperor Tournament, 2nd round
Date	2008-11-16		Rating	1987.68
Round	Color	Result	Opponent
	White	Loss	Nakamura Shigeru	2824.99
	White	Loss	Okabe Hiroshi	2647.87
	White	Loss	Sato Kiyotomi	2417.72
	White	Loss	Kudomi Takahiro	2330.58
	White	Loss	Nakayama Tomoharu	2278.50
40th Kyoto Classified Tournament - group 1
Date	2008-11-09		Rating	1987.13
Round	Color	Result	Opponent
1	Black	Win	Nishimura Koichi	1859.35
2	Black	Loss	Ozawa Tetsushi	2057.87
3	Black	Loss	Kamei Shigeo	1738.20
5	White	Draw	Okuda Shingo	1928.89
6	White	Win	Kamatani Teruhiro	1570.02
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	1986.97
Round	Color	Result	Opponent
1	White	Win	Shinoda Masaki	1615.14
2	Black	Loss	Mitsumori Masao	2299.84
3	White	Win	Iwano Fumio	2144.32
4	Black	Win	Kuramoto Hideharu	1885.17
7th 6-7 dan Tournament
Date	2008-09-28		Rating	1984.49
Round	Color	Result	Opponent
1	White	Loss	Maruyama Yasushi	2204.21
2	Black	Loss	Kobayashi Koichi	2091.86
3	White	Loss	Tanno Yoshitaka	2095.90
4	Black	Loss	Gakumazawa Hideaki	2146.64
6	White	Win	Suzuki Junichiro	1869.20
25th Kanto Championship
Date	2008-05-18		Rating	1981.19
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2823.95
2	Black	Win	Iwano Fumio	2156.31
3	Black	Win	Kudomi Takahiro	2315.99
4	White	Loss	Mitsumori Masao	2285.01
5	Black	Loss	Isobe Taizan	2398.05
25th Kanto Shineisen Tournament
Date	2008-04-13		Rating	1976.77
Round	Color	Result	Opponent
1	Black	Loss	Matsuoka Teruo	1870.29
2	White	Win	Takeuchi Yuuta	1857.30
3	Black	Loss	Fujikawa Masaki	2083.35
4	Black	Win	Harada Motochika	1778.05
5	Black	Loss	Watanabe Tatsuya	2137.30
3rd All Japan Championship
Date	2008-03-23		Rating	1975.22
Round	Color	Result	Opponent
1	White	Loss	Ono Takayuki	2366.63
2	White	Win	Maruta Koji	2077.01
3	Black	Draw	Tanizaki Ryusuke	2105.20
4	Black	Loss	Sato Kiyotomi	2392.44
5	White	Loss	Fujikawa Masaki	2085.53
6	White	Win	Tadokoro Hosai	1911.12
11th Mikami Cup Tournament, A-Class
Date	2008-01-20		Rating	1967.28
Round	Color	Result	Opponent
1	Black	Win	Matsuoka Teruo	1867.66
2	White	Loss	Iwano Fumio	2158.24
3	Black	Loss	Kuramoto Hideharu	1890.84
4	White	Loss	Tamada Yoichi	2183.32
5	White	Loss	Ozawa Tetsushi	2021.51
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	1963.56
Round	Color	Result	Opponent
1	Black	Loss	Suzuki Rin	1945.62
2	White	Win	Tanji Hiroki	1936.02
3	Black	Loss	Nakayama Tomoharu	2207.89
4	Black	Loss	Maruta Hiroki	2015.23
5	White	Loss	Watanabe Tatsuya	2125.57
6dan 7dan Tournament
Date	2007-10-08		Rating	1963.96
Round	Color	Result	Opponent
1	White	Loss	Ono Takayuki	2349.80
2	White	Win	Kubo Izumi	2070.38
3	White	Loss	Gakumazawa Hideaki	2148.18
4	White	Win	Tadokoro Hosai	1916.75
5	White	Loss	Miyagawa Junzo	2240.32
6	Black	Loss	Sato Kiyotomi	2382.17
47 Suiseisen Tournament 1st round
Date	2007-09-23		Rating	1963.90
Round	Color	Result	Opponent
1	White	Loss	Fujikawa Masaki	2091.18
2	Black	Loss	Watanabe Yoko	2043.59
3	Black	Win	Maruta Hiroki	2013.55
4	White	Win	Matsuoka Teruo	1864.55
24th Kanto Shineisen Tournament
Date	2007-04-15		Rating	1960.64
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1865.94
2	Black	Loss	Teshima Masakatsu	1943.55
3	Black	Win	Tanji Hiroki	1910.06
4	Black	Loss	Tamada Yoichi	2132.24
5	White	Loss	Ozawa Tetsushi	2005.63
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	1962.45
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2259.33
2	Black	Loss	Oosumi Yuuki	2479.24
3	Black	Loss	Maruta Hiroki	2008.97
4	Black	Loss	Tanizaki Ryusuke	2119.35
5	White	Loss	Ishitani Shin-ichi	2359.30
6	Black	Loss	Kuramoto Hideharu	1869.74
10th Mikami Cup Tournament, A-class
Date	2007-01-28		Rating	1974.15
Round	Color	Result	Opponent
1	White	Win	Watanabe Tatsuya	2112.50
2	Black	Win	Maruta Hiroki	2005.81
3	White	Loss	Iwano Fumio	2123.40
4	Black	Loss	Kobayashi Koichi	2084.45
5	White	Loss	Matsuoka Teruo	1863.59
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	1996.57
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Jyunko	1799.70
2	White	Win	Abiko Setsuko	2028.08
3	White	Draw	Isobe Taizan	2397.53
4	Black	Loss	Mitsumori Masao	2236.16
5	White	Loss	Kudomi Takahiro	2278.36
23rd Kanto Shinei Tournament
Date	2006-09-10		Rating	2001.88
Round	Color	Result	Opponent
1	White	Win	Kamemoto Daichi	2173.80
2	Black	Loss	Iwano Fumio	2097.79
3	White	Draw	Watanabe Yoko	2024.40
4	Black	Loss	Tanizaki Ryusuke	2108.81
5	White	Loss	Maruta Hiroki	1990.90
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2017.57
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2239.58
2	Black	Loss	Nagao Noriaki	2218.75
3	Black	Win	Hara Masao	2064.34
4	Black	Draw	Kubo Izumi	2094.73
23rd Kanto Championship
Date	2006-05-21		Rating	2022.34
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2243.09
2	Black	Draw	Iwano Fumio	2084.53
3	White	Loss	Tomobe Katsuhiro	2072.15
4	Black	Loss	Nagao Noriaki	2214.43
5	Black	Win	Fujikawa Masaki	2029.72
46th Suisei-sen tournament final round
Date	2006-04-16		Rating	2029.09
Round	Color	Result	Opponent
	White	Win	Itami Yoshiyuki	2147.70
	White	Draw	Nagao Noriaki	2209.97
	Black	Loss	Hara Masao	2060.82
	Black	Win	Koyama Jun	2310.59
	Black	Loss	Ono Takayuki	2289.33
1st All Japan Championship
Date	2006-03-26		Rating	2031.42
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2468.65
2	Black	Loss	Oosumi Yuuki	2402.29
3	White	Loss	Mitsumori Masao	2244.58
4	Black	Draw	Kudomi Takahiro	2272.10
5	White	Loss	Maruta Koji	2113.26
6	White	Win	Nagao Noriaki	2210.06
46th Suisei-sen Tournament - 1st round
Date	2006-03-12		Rating	2031.68
Round	Color	Result	Opponent
1	Black	Loss	Kamemoto Daichi	2168.01
2	White	Win	Tanizaki Ryusuke	2096.11
3	Black	Win	Iwano Fumio	2072.40
4	White	Win	Watanabe Tatsuya	2115.81
9th Mikami Cup - A Class
Date	2006-01-29		Rating	2027.92
Round	Color	Result	Opponent
1	White	Loss	Watanabe Tatsuya	2116.00
2	White	Win	Matsuoka Teruo	1827.55
3	Black	Win	Oonuma Nobuhiro	1830.01
4	White	Win	Kamemoto Daichi	2164.39
5	White	Loss	Oosumi Yuuki	2396.60
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2014.01
Round	Color	Result	Opponent
1	Black	Loss	Teshima Masakatsu	1947.18
2	White	Loss	Yamauchi Takahiro	2026.45
3	White	Win	Yoda Tsuyoshi	1697.04
4	White	Loss	Tanizaki Ryusuke	2089.56
22nd Kanto Shineisen Tournament
Date	2005-09-11		Rating	2012.31
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2059.90
2	White	Win	Nakata Shinsuke	1947.60
3	White	Loss	Sasaki Miyu	1936.77
4	Black	Loss	Tanizaki Ryusuke	2085.74
5	Black	Win	Ishizaki Masatoshi	1895.71
Japan WC Qualification tournament
Date	2005-04-03		Rating	2013.86
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2366.29
2	White	Draw	Ono Takayuki	2275.36
3	Black	Loss	Miyagawa Junzo	2233.54
4	White	Loss	Oosumi Yuuki	2359.00
5	White	Loss	Maruta Koji	2144.64
6	Black	Win	Hara Masao	2047.23
45th Suisei-sen Tournament
Date	2005-03-20		Rating	2012.86
Round	Color	Result	Opponent
1	Black	Loss	Matsuoka Teruo	1862.04
2	White	Win	Tanizaki Ryusuke	2065.16
3	Black	Loss	Sasaki Miyu	1949.56
4	White	Loss	Tomobe Katsuhiro	2035.06
8th Mikami Cup - A Class
Date	2005-01-23		Rating	2013.81
Round	Color	Result	Opponent
1	Black	Win	Sasaki Miyu	1946.67
2	Black	Draw	Hara Masao	2052.22
3	White	Loss	Koyama Jun	2248.42
4	White	Win	Arita Nobuyoshi	2272.52
5	White	Loss	Sato Takuma	2160.26
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2011.58
Round	Color	Result	Opponent
1	White	Loss	Matsuoka Teruo	1870.76
2	White	Win	Itami Yoshiyuki	2152.24
3	White	Loss	Tomobe Katsuhiro	2027.55
4	Black	Loss	Watanabe Tatsuya	2076.74
21st Kanto Shineisen Tournament
Date	2004-09-12		Rating	2013.56
Round	Color	Result	Opponent
1	Black	Loss	Itami Yoshiyuki	2147.78
2	Black	Win	Maruta Hiroki	1949.64
3	White	Loss	Tashiro Yuichi	2270.69
4	White	Loss	Sasaki Miyu	1945.64
5	Black	Win	Iwano Fumio	2028.57
7th Mikami Cup - A class
Date	2004-01-25		Rating	2022.38
Round	Color	Result	Opponent
1	White	Win	Sasaki Miyu	1933.33
2	White	Loss	Arita Nobuyoshi	2227.23
3	Black	Loss	Sato Koichi	1976.89
4	Black	Win	Uchiyama Yasuhiko	1820.21
5	Black	Loss	Miyagawa Sou	2089.77
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2028.14
Round	Color	Result	Opponent
1	Black	Win	Oosaku Kazuyuki	1844.23
2	Black	Loss	Isobe Taizan	2404.80
3	White	Loss	Itami Yoshiyuki	2145.77
4	White	Win	Yamauchi Yasuhiro	1800.62
20th Kanto Shineisen Tournament
Date	2003-09-21		Rating	2032.61
Round	Color	Result	Opponent
1	Black	Win	Koyama Jun	2182.31
2	Black	Loss	Arita Nobuyoshi	2210.23
3	Black	Loss	Sato Kiyotomi	2301.39
4	Black	Loss	Tadokoro Hosai	1966.77
5	Black	Win	Sato Koichi	1955.15
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2068.58
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2434.22
2	White	Win	Maruta Koji	2185.88
3	White	Loss	Isobe Taizan	2423.14
4	Black	Win	Arita Nobuyoshi	2161.84
Kanto Championship
Date	2000-05-14		Rating	2037.87
Round	Color	Result	Opponent
1	White	Win	Suzuki Naoya	2171.46
2	White	Loss	Sunagawa Shouki	2192.39
3	White	Loss	Nara Hideki	2537.97
4	White	Loss	Maruta Koji	2187.27
36 Suiseisen Tournament 1st round
Date	1996-03-01		Rating	1970.20
Round	Color	Result	Opponent
4	White	Loss	Aihara Hiroshi	2044.82