Maruyama Yasushi (丸山保司)

Place: Hamamatsu, Japan

Rating: 2170.14, Std: 103.48, Rank: 491

First game: 1996-09-23, Last game: 2025-11-09

Top rating: 2305.55 (2021-05-16)

Games: 387, Wins: 171, Draws: 52, Losses: 164

Gy1: 11, Gy2: 22, Gy5: 78

51 Tokai Championship 1st round Hamamatsu area
Date	2025-11-09		Rating	2170.14
Round	Color	Result	Opponent
1	White	Win	Kawada Miki	1831.12
2	Black	Loss	Tamura Kazumasa	2387.14
3	Black	Win	Kamikubo Mineo	1790.65
4	Black	Loss	Takazawa Nagayoshi	2286.52
63 Meijinsen Qualification Hamamatsu area 1st round
Date	2025-05-18		Rating	2176.67
Round	Color	Result	Opponent
1	White	Loss	Fukada Ren	2113.37
2	Black	Loss	Yamamoto Yasuhiro	2167.53
4	White	Win	Kato Daisuke	1972.54
4th Masters Renju Tournament
Date	2025-03-23		Rating	2184.16
Round	Color	Result	Opponent
1	Black	Loss	Miyamoto Syunju	2297.26
2	Black	Win	Takazawa Nagayoshi	2256.70
3	Black	Loss	Maruta Koji	2189.15
5	Black	Win	Kuga Akio	2428.90
50 Tokai Championship 2nd round
Date	2024-12-15		Rating	2191.04
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2274.02
2	White	Win	Shimura Hiroki	2216.94
3	White	Loss	Ishitani Shin-ichi	2404.31
50 Tokai Championship 1st round Hamamatsu area
Date	2024-11-10		Rating	2193.78
Round	Color	Result	Opponent
1	Black	Win	Kato Daisuke	1974.50
2	White	Loss	Shimura Hiroki	2208.64
3	White	Win	Kawada Miki	1844.13
4	Black	Win	Yamamoto Yasuhiro	2166.80
62 Meijinsen Qualification Hamamatsu area 1st round
Date	2024-05-19		Rating	2201.23
Round	Color	Result	Opponent
1	Black	Loss	Fukada Ren	2106.84
2	Black	Loss	Kato Daisuke	1966.80
3	Black	Loss	Takazawa Nagayoshi	2254.34
4	Black	Win	Yamamoto Yasuhiro	2162.87
61st Meijinsen Tournament
Date	2023-09-18		Rating	2249.73
Round	Color	Result	Opponent
1	White	Draw	Matsuda Shoma	2412.22
2	Black	Win	Yamane Tomohiro	2079.74
3	White	Loss	Okabe Hiroshi	2727.02
4	Black	Loss	Fujita Maiko	2424.42
5	White	Loss	Nakayama Tomoharu	2787.91
6	White	Loss	Hasegawa Kazuto	2546.32
7	White	Loss	Makino Mitsunori	2628.71
8	White	Loss	Tachi Masaya	2591.81
9	Black	Draw	Kawano Takahisa	2551.42
61 Meijinsen Qualification Tokai area 2nd round
Date	2023-06-25		Rating	2265.75
Round	Color	Result	Opponent
1	Black	Win	Kato Daisuke	1979.98
2	Black	Win	Ishitani Shin-ichi	2386.30
3	Black	Win	Takazawa Nagayoshi	2295.73
61 Meijinsen Qualification Hamamatsu area 1st round
Date	2023-05-21		Rating	2267.01
Round	Color	Result	Opponent
1	White	Win	Kawada Miki	1839.89
2	White	Loss	Ishitani Shin-ichi	2382.99
3	Black	Win	Fukada Ren	2055.89
4	White	Win	Takazawa Nagayoshi	2298.44
48 Tokai Championship 2nd round
Date	2022-12-18		Rating	2263.77
Round	Color	Result	Opponent
1	White	Loss	Yamamoto Yasuhiro	2180.53
2	White	Win	Maruta Hiroki	2187.52
3	White	Draw	Ishitani Shin-ichi	2379.31
48 Tokai Championship 1st round Hamamatsu area
Date	2022-11-20		Rating	2263.38
Round	Color	Result	Opponent
1	White	Win	Fukada Ren	2053.44
2	White	Win	Kawada Miki	1837.95
3	White	Loss	Ishitani Shin-ichi	2376.95
4	Black	Draw	Yamamoto Yasuhiro	2182.18
60 Meijinsen Qualification Tokai area 2nd round
Date	2022-06-26		Rating	2263.77
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2364.02
2	Black	Loss	Oomura Shu	2383.16
3	Black	Loss	Yamamoto Yasuhiro	2187.02
60th Meijinsen Tournament Tokai area 1st round
Date	2022-05-15		Rating	2265.29
Round	Color	Result	Opponent
1	White	Win	Fukada Ren	2052.06
2	White	Win	Kawada Miki	1843.04
3	White	Loss	Ishitani Shin-ichi	2361.17
4	Black	Win	Yamamoto Yasuhiro	2187.94
5	White	Loss	Takazawa Nagayoshi	2229.04
59th Meijinsen Tournament
Date	2022-01-10		Rating	2272.87
Round	Color	Result	Opponent
1	White	Draw	Ono Takayuki	2426.48
2	White	Loss	Maruta Hiroki	2251.62
3	White	Loss	Okabe Hiroshi	2707.06
4	White	Loss	Hasegawa Kazuto	2570.62
5	White	Loss	Nakayama Tomoharu	2827.67
6	Black	Win	Hayashi Shoichi	2158.52
7	Black	Loss	Iio Yoshihiro	2401.95
8	White	Loss	Kamiya Shunsuke	2863.80
9	White	Loss	Nagasoe Hiroki	2660.42
47 Tokai Championship 2nd round
Date	2021-12-19		Rating	2275.91
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2340.62
2	Black	Win	Yamamoto Yasuhiro	2196.17
3	Black	Loss	Oomura Shu	2382.92
47 Tokai Championship 1st round Hamamatsu area
Date	2021-10-21		Rating	2286.52
Round	Color	Result	Opponent
1	Black	Win	Kato Daisuke	1961.46
2	Black	Loss	Yamamoto Yasuhiro	2202.39
3	Black	Win	Fukada Ren	2063.74
4	White	Win	Kawada Miki	1875.34
5	Black	Win	Takazawa Nagayoshi	2203.80
59 Meijinsen Qualification Tokai area 2nd round
Date	2021-06-27		Rating	2304.79
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2339.11
2	Black	Win	Takazawa Nagayoshi	2194.29
3	Black	Win	Yamamoto Yasuhiro	2204.78
59 Meijinsen Qualification Hamamatsu area 1st round
Date	2021-05-16		Rating	2305.55
Round	Color	Result	Opponent
1	Black	Win	Kawada Miki	1910.89
2	White	Win	Ishitani Shin-ichi	2343.22
3	Black	Draw	Takazawa Nagayoshi	2193.80
4	White	Win	Yamamoto Yasuhiro	2206.53
5	Black	Win	Fukada Ren	2044.27
46 Tokai Championship 2nd round
Date	2020-12-20		Rating	2291.30
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2372.26
2	White	Loss	Mano Yoshihisa	2273.73
3	Black	Draw	Yamamoto Yasuhiro	2216.95
46 Tokai Championship 1st round Hamamatsu area
Date	2020-11-15		Rating	2291.86
Round	Color	Result	Opponent
1	White	Win	Kato Daisuke	1935.14
2	White	Loss	Yamamoto Yasuhiro	2219.84
3	White	Win	Fukada Ren	2002.86
5	White	Win	Yoshida Kazuma	1596.73
58 Meijinsen Qualification Tokai area 2nd round
Date	2020-07-19		Rating	2297.87
Round	Color	Result	Opponent
1	White	Win	Masuda Taku	2028.94
2	White	Loss	Ishitani Shin-ichi	2375.77
3	White	Win	Fujita Yudai	2485.13
58 Meijinsen Qualification Hamamatsu area 1st round
Date	2020-06-28		Rating	2297.69
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2485.36
2	White	Win	Yamamoto Yasuhiro	2215.60
3	White	Win	Kato Daisuke	1923.25
4	White	Draw	Ishitani Shin-ichi	2378.46
45 Tokai Championship 2nd round
Date	2019-12-15		Rating	2288.42
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2376.76
2	White	Loss	Mano Yoshihisa	2311.26
3	White	Win	Yamamoto Yasuhiro	2224.54
45 Tokai Championship Hamamatsu area 1st round
Date	2019-11-17		Rating	2288.45
Round	Color	Result	Opponent
1	White	Win	Kato Daisuke	1906.22
2	Black	Loss	Yamamoto Yasuhiro	2226.07
3	Black	Win	Fukada Ren	1969.42
57 Meijinsen Qualification Tokai area 2nd round
Date	2019-06-23		Rating	2294.32
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2394.97
2	Black	Win	Suzuki Junichiro	2044.99
3	White	Loss	Mano Yoshihisa	2324.58
57 Meijinsen Qualification Hamamatsu area
Date	2019-05-19		Rating	2298.14
Round	Color	Result	Opponent
1	Black	Win	Kamikubo Mineo	1928.92
2	Black	Win	Ishitani Shin-ichi	2395.74
3	Black	Win	Kato Daisuke	1883.07
4	Black	Win	Suzuki Junichiro	2046.85
44 Tokai Championship final match
Date	2019-02-16		Rating	2297.79
Round	Color	Result	Opponent
1	White	Draw	Ishitani Shin-ichi	2408.80
2	Black	Loss	Ishitani Shin-ichi	2408.80
3	White	Loss	Ishitani Shin-ichi	2408.80
44 Tokai Championship 2nd round
Date	2018-12-16		Rating	2301.24
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2419.23
2	Black	Win	Kishi Yoshinori	1940.07
3	Black	Win	Mano Yoshihisa	2328.16
44 Tokai Championship Hamamatsu area 1st round
Date	2018-11-18		Rating	2298.71
Round	Color	Result	Opponent
1	Black	Win	Kato Daisuke	1890.46
2	Black	Win	Takahashi Kodai	1592.03
3	Black	Loss	Suzuki Junichiro	2064.81
5	White	Win	Ishitani Shin-ichi	2423.36
ex1	White	Loss	Ishitani Shin-ichi	2423.36
ex2	White	Win	Suzuki Junichiro	2064.81
56 Meijinsen Qualification Tokai area 2nd round
Date	2018-06-24		Rating	2287.73
Round	Color	Result	Opponent
1	White	Loss	Fujita Yudai	2495.89
2	Black	Loss	Mano Yoshihisa	2344.36
3	White	Loss	Ishitani Shin-ichi	2435.05
56 Meijinsen Qualification Hamamatsu area 1st round
Date	2018-05-20		Rating	2288.81
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2498.57
2	Black	Win	Takazawa Nagayoshi	2162.24
3	White	Win	Kugizaki Michihiko	2025.34
4	White	Draw	Ishitani Shin-ichi	2433.60
43 Tokai Championship 1st round Hamamatsu area
Date	2017-11-26		Rating	2285.03
Round	Color	Result	Opponent
1	White	Draw	Ishitani Shin-ichi	2400.18
2	Black	Loss	Yamamoto Yasuhiro	2193.59
3	Black	Win	Suzuki Junichiro	2066.61
4	White	Win	Kato Daisuke	1867.15
55 Meijinsen Tournament
Date	2017-09-18		Rating	2284.80
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2513.67
2	White	Draw	Matsuura Hiroshi	2342.05
3	White	Loss	Hasegawa Kazuto	2601.36
4	White	Loss	Nakayama Tomoharu	2846.98
5	White	Loss	Iio Yoshihiro	2551.70
6	White	Loss	Sato Kiyotomi	2453.71
7	Black	Loss	Kawano Takahisa	2441.09
8	White	Loss	Kamiya Shunsuke	2813.55
9	White	Loss	Okabe Hiroshi	2724.79
55 Meijinsen Qualification Tokai area 2nd round
Date	2017-06-25		Rating	2295.53
Round	Color	Result	Opponent
1	Black	Win	Takazawa Nagayoshi	2185.65
2	Black	Win	Mano Yoshihisa	2337.91
3	Black	Win	Suzuki Junichiro	2053.33
55 Meijinsen Qualification Tokai area 1st round
Date	2017-05-21		Rating	2295.64
Round	Color	Result	Opponent
1	Black	Win	Kishi Yoshinori	1971.00
2	White	Draw	Takazawa Nagayoshi	2185.50
3	Black	Loss	Fujita Yudai	2486.47
4	White	Win	Yamamoto Yasuhiro	2177.37
5	White	Draw	Mano Yoshihisa	2341.48
42 Tokai Championship 2nd round
Date	2016-12-18		Rating	2293.90
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2400.58
2	Black	Win	Yamamoto Yasuhiro	2161.31
3	White	Loss	Fujita Yudai	2490.50
42 Tokai Championship 1st round
Date	2016-11-20		Rating	2294.44
Round	Color	Result	Opponent
1	Black	Win	Kawada Miki	1875.50
2	Black	Win	Kato Daisuke	1865.48
3	White	Loss	Ishitani Shin-ichi	2403.04
4	Black	Win	Suzuki Junichiro	2028.82
5	White	Win	Yamamoto Yasuhiro	2160.41
54 Meijinsen Tournament
Date	2016-09-19		Rating	2293.54
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2720.87
2	Black	Loss	Iio Yoshihiro	2563.99
3	Black	Loss	Matsuura Hiroshi	2363.92
4	Black	Loss	Nakayama Tomoharu	2780.47
5	Black	Loss	Kuga Akio	2370.92
6	White	Loss	Hasegawa Kazuto	2642.33
7	White	Draw	Koyama Jun	2621.59
8	Black	Loss	Tanaka Toshiki	2447.39
9	White	Loss	Kamiya Shunsuke	2762.92
54 Meijinsen Qualification Tokai area 2nd round
Date	2016-06-26		Rating	2303.69
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2390.50
2	White	Win	Yamamoto Yasuhiro	2153.43
3	Black	Win	Kato Daisuke	1858.98
54 Meijinsen Qualification Tokai area 1st round
Date	2016-05-15		Rating	2304.08
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	2010.27
2	Black	Draw	Mano Yoshihisa	2344.33
3	Black	Win	Yamamoto Yasuhiro	2153.05
4	Black	Win	Kato Daisuke	1860.38
5	White	Draw	Ishitani Shin-ichi	2393.14
41 Tokai Championship 2nd round
Date	2015-12-20		Rating	2293.91
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2444.34
2	Black	Draw	Mano Yoshihisa	2357.60
3	White	Loss	Ishitani Shin-ichi	2399.87
41 Tokai Championship 1st round
Date	2015-11-15		Rating	2293.66
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2436.17
2	Black	Win	Kato Daisuke	1874.92
4	White	Draw	Mano Yoshihisa	2361.81
5	Black	Win	Yamamoto Yasuhiro	2136.90
53 Meijinsen Qualification Tokai area 2nd round
Date	2015-06-21		Rating	2289.95
Round	Color	Result	Opponent
1	White	Draw	Fujita Yudai	2394.56
2	Black	Loss	Ishitani Shin-ichi	2410.07
3	White	Loss	Mano Yoshihisa	2360.83
53 Meijinsen Qualification Tokai area 1st round
Date	2015-05-17		Rating	2291.35
Round	Color	Result	Opponent
1	Black	Draw	Fujita Yudai	2381.05
2	Black	Win	Tatematsu Hikaru	2191.06
3	White	Loss	Ishitani Shin-ichi	2418.39
4	Black	Win	Inoue Katsumi	1909.42
40 Tokai Championship final match
Date	2015-02-15		Rating	2292.35
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2431.29
2	Black	Loss	Ishitani Shin-ichi	2431.29
40 Tokai Championship 2nd round
Date	2014-12-21		Rating	2296.83
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2125.03
2	Black	Win	Ishitani Shin-ichi	2436.53
3	White	Draw	Tatematsu Hikaru	2192.69
52 Meijinsen Qualification Tokai area 1st round
Date	2014-04-20		Rating	2294.18
Round	Color	Result	Opponent
1	White	Win	Takazawa Nagayoshi	2043.25
2	White	Loss	Fukui Nobuhiro	2624.54
3	Black	Win	Suzuki Junichiro	1956.57
4	White	Loss	Ishitani Shin-ichi	2455.00
39 Tokai Championship final match
Date	2014-02-16		Rating	2294.19
Round	Color	Result	Opponent
1	White	Draw	Mano Yoshihisa	2317.03
2	White	Draw	Mano Yoshihisa	2317.03
3	White	Draw	Mano Yoshihisa	2317.03
4	White	Draw	Mano Yoshihisa	2317.03
5	Black	Win	Mano Yoshihisa	2317.03
9th All Japan Championship
Date	2014-01-26		Rating	2292.64
Round	Color	Result	Opponent
1	Black	Loss	Oosumi Yuuki	2833.89
2	Black	Loss	Yamamoto Yasuhiro	2149.50
3	White	Win	Kon Akira	1990.78
4	White	Draw	Kim Chang-Su	2070.34
5	White	Loss	Kobayashi Koichi	2233.29
6	White	Win	Miyagawa Junzo	2202.32
39 Tokai Championship 2nd round
Date	2013-12-15		Rating	2294.59
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2154.16
2	White	Loss	Mano Yoshihisa	2319.35
3	Black	Win	Ishitani Shin-ichi	2432.95
39 Tokai Championship 1st round
Date	2013-11-17		Rating	2294.23
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1940.19
2	White	Win	Yamamoto Yasuhiro	2159.62
3	Black	Win	Mano Yoshihisa	2316.40
51 Meijinsen Qualification Tokai area 2nd round
Date	2013-05-19		Rating	2272.45
Round	Color	Result	Opponent
1	White	Draw	Yamamoto Yasuhiro	2182.61
2	Black	Win	Fukui Nobuhiro	2577.69
3	Black	Loss	Mano Yoshihisa	2311.47
51 Meijinsen Qualification Tokai area 1st round
Date	2013-04-21		Rating	2268.22
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1928.09
2	White	Loss	Mano Yoshihisa	2306.83
3	Black	Win	Saito Syuichi	2066.08
4	White	Loss	Yamamoto Yasuhiro	2187.05
38 Tokai Championship 2nd round
Date	2012-11-18		Rating	2256.90
Round	Color	Result	Opponent
1	White	Draw	Ishitani Shin-ichi	2364.32
2	Black	Draw	Saito Syuichi	2072.93
3	White	Loss	Mano Yoshihisa	2280.79
38 Tokai Championship 1st round
Date	2012-10-21		Rating	2256.58
Round	Color	Result	Opponent
1	White	Loss	Mano Yoshihisa	2272.95
2	Black	Win	Suzuki Junichiro	1919.74
3	Black	Win	Saito Syuichi	2074.64
10th Middle-dan players Tournament
Date	2012-08-26		Rating	2256.50
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1920.48
2	White	Loss	Nagao Noriaki	2395.12
3	Black	Draw	Kashihara Akihiko	2312.29
4	White	Win	Yamamoto Yasuhiro	2162.23
5	White	Win	Kubo Izumi	2092.06
6	White	Loss	Fukui Nobuhiro	2537.74
50 Meijinsen Qualification Tokai area 2nd round
Date	2012-05-20		Rating	2252.26
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2154.55
2	Black	Loss	Fukui Nobuhiro	2513.30
3	Black	Draw	Miyoshi Takeo	2175.83
50 Meijinsen Qualification Tokai area 1st round
Date	2012-04-15		Rating	2250.46
Round	Color	Result	Opponent
1	White	Loss	Yamamoto Yasuhiro	2155.49
3	Black	Win	Suzuki Junichiro	1937.18
4	White	Win	Mano Yoshihisa	2237.41
37 Tokai Championship final match
Date	2012-02-19		Rating	2247.65
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2377.62
2	Black	Loss	Ishitani Shin-ichi	2377.62
3	White	Loss	Ishitani Shin-ichi	2377.62
37 Tokai Championship 2nd round
Date	2011-11-20		Rating	2242.71
Round	Color	Result	Opponent
1	White	Draw	Yamamoto Yasuhiro	2144.63
2	White	Loss	Ishitani Shin-ichi	2393.73
3	White	Win	Mano Yoshihisa	2234.19
37 Tokai Championship 1st round
Date	2011-10-16		Rating	2240.60
Round	Color	Result	Opponent
1	Black	Loss	Suzuki Junichiro	1952.19
3	Black	Win	Miyoshi Takeo	2162.41
4	White	Win	Yamamoto Yasuhiro	2143.71
49 Meijinsen Qualification Tokai area 2nd round
Date	2011-05-15		Rating	2232.80
Round	Color	Result	Opponent
1	White	Draw	Mano Yoshihisa	2267.81
2	White	Loss	Miyoshi Takeo	2152.22
3	Black	Win	Ishitani Shin-ichi	2393.10
49 Meijinsen Qualification Tokai area 1st round
Date	2011-04-17		Rating	2230.91
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2128.46
2	White	Win	Kugizaki Michihiko	1938.85
3	White	Loss	Ishitani Shin-ichi	2393.09
4	White	Loss	Suzuki Junichiro	1943.13
36 Tokai Championship 1st round
Date	2010-10-17		Rating	2230.92
Round	Color	Result	Opponent
1	Black	Loss	Yamamoto Yasuhiro	2128.55
2	White	Loss	Mano Yoshihisa	2314.77
3	White	Win	Kawada Miki	1887.92
4	White	Win	Suzuki Junichiro	1923.29
48 Meijinsen Qualification Tokai area 1st round
Date	2010-04-18		Rating	2246.24
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2140.54
2	White	Loss	Mano Yoshihisa	2322.20
3	White	Win	Miyazu Goichi	1819.13
4	Black	Draw	Ishitani Shin-ichi	2400.63
35 Tokai Championship final match
Date	2010-02-21		Rating	2249.42
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2393.70
2	White	Loss	Ishitani Shin-ichi	2393.70
35 Tokai Championship 2nd round
Date	2009-11-15		Rating	2261.58
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2150.73
2	White	Draw	Ishitani Shin-ichi	2371.61
3	Black	Win	Miyoshi Takeo	2154.09
35 Tokai Championship 1st round
Date	2009-10-18		Rating	2262.42
Round	Color	Result	Opponent
1	Black	Loss	Yamamoto Yasuhiro	2151.22
2	Black	Win	Suzuki Junichiro	1905.73
3	White	Win	Kamikubo Mineo	1941.09
4	White	Win	Mano Yoshihisa	2319.77
8th Middle-dan Players Tournament
Date	2009-08-30		Rating	2262.92
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2050.08
2	White	Win	Kubo Izumi	2114.87
3	White	Win	Gakumazawa Hideaki	2139.45
4	White	Win	Sato Kiyotomi	2434.81
5	Black	Draw	Koyama Jun	2445.27
6	White	Win	Yamamoto Yasuhiro	2148.58
47th Meijinsen Qualification Tokai area 1st round
Date	2009-04-19		Rating	2247.04
Round	Color	Result	Opponent
1	Black	Win	Kawasaki Nobuhiko	2104.63
2	White	Loss	Ishitani Shin-ichi	2389.89
3	White	Loss	Yamamoto Yasuhiro	2142.43
4	White	Win	Kugizaki Michihiko	1951.21
34th Tokai Championship 2nd round
Date	2008-11-16		Rating	2237.07
Round	Color	Result	Opponent
	White	Loss	Ishitani Shin-ichi	2397.96
	White	Loss	Miyoshi Takeo	2228.89
	White	Win	Yamamoto Yasuhiro	2119.21
34th Tokai Championship, 1st round
Date	2008-10-19		Rating	2236.68
Round	Color	Result	Opponent
	Black	Win	Miyoshi Takeo	2232.07
	Black	Win	Saito Syuichi	2095.31
	Black	Win	Yamamoto Yasuhiro	2114.53
	Black	Win	Miyazu Goichi	1822.30
7th 6-7 dan Tournament
Date	2008-09-28		Rating	2233.55
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	1997.82
2	Black	Loss	Tamura Kazumasa	2471.05
3	Black	Draw	Kubo Izumi	2109.20
4	White	Win	Tanno Yoshitaka	2119.03
5	White	Loss	Ono Takayuki	2410.29
6	White	Win	Gakumazawa Hideaki	2179.00
46th Meijinsen Qualification Tokai area, Final round
Date	2008-05-18		Rating	2208.92
Round	Color	Result	Opponent
	White	Loss	Ishitani Shin-ichi	2408.19
	Black	Win	Miyoshi Takeo	2262.48
	Black	Win	Yamamoto Yasuhiro	2106.53
46th Meijinsen Qualification Tokai area 1st round
Date	2008-04-20		Rating	2201.58
Round	Color	Result	Opponent
	White	Loss	Ishitani Shin-ichi	2408.02
	White	Loss	Yamamoto Yasuhiro	2107.56
	Black	Win	Miyazu Goichi	1824.92
	Black	Win	Kamikubo Mineo	1883.25
33rd Tokai Championship 2nd round
Date	2007-11-18		Rating	2171.90
Round	Color	Result	Opponent
	White	Loss	Miyoshi Takeo	2294.06
	White	Loss	Ishitani Shin-ichi	2399.67
	White	Loss	Yamamoto Yasuhiro	2098.45
33rd Tokai Championship 1st round
Date	2007-10-21		Rating	2170.07
Round	Color	Result	Opponent
	White	Win	Kamikubo Mineo	1864.66
	White	Win	Yamamoto Hukue	1664.65
	White	Win	Yamamoto Yasuhiro	2093.03
	Black	Loss	Miyoshi Takeo	2299.01
45th Meijinsen Qualification Tokai area - 1st round
Date	2007-04-15		Rating	2152.14
Round	Color	Result	Opponent
1	White	Loss	Miyoshi Takeo	2290.72
2	White	Win	Kugizaki Michihiko	1844.51
3	White	Loss	Yamamoto Yasuhiro	2078.83
4	White	Win	Miyazu Goichi	1818.61
32nd Tokai Championship - 2nd round
Date	2006-11-26		Rating	2148.83
Round	Color	Result	Opponent
	White	Win	Miyazu Goichi	1820.04
	Black	Draw	Miyoshi Takeo	2283.01
	Black	Loss	Ishitani Shin-ichi	2371.75
32nd Tokai Championship - 1st round
Date	2006-10-15		Rating	2147.37
Round	Color	Result	Opponent
	White	Loss	Miyoshi Takeo	2280.69
	White	Loss	Miyazu Goichi	1821.57
	Black	Win	Yamamoto Yasuhiro	2064.66
	Black	Win	Takatsu Hitoshi	1936.39
Meijin-sen Qual, Tokai area final round
Date	2006-06-11		Rating	2151.03
Round	Color	Result	Opponent
	White	Loss	Ishitani Shin-ichi	2372.30
	White	Loss	Shinoda Kiyoshi	2357.42
	White	Win	Miyoshi Takeo	2273.45
Meijin-sen Qual, Tokai area 1st round
Date	2006-05-21		Rating	2151.13
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2273.20
2	White	Loss	Yamamoto Yasuhiro	2062.77
3	Black	Win	Takatsu Hitoshi	1923.01
4	Black	Loss	Shinoda Kiyoshi	2357.10
31st Tokai Championship - 1st round
Date	2005-10-16		Rating	2151.66
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Hukue	1634.10
2	Black	Loss	Shinoda Kiyoshi	2344.75
3	Black	Win	Suzuki Junichiro	1844.85
4	Black	Draw	Miyoshi Takeo	2279.91
30th Tokai Championship - Final match
Date	2005-01-16		Rating	2148.58
Round	Color	Result	Opponent
1	White	Draw	Ishitani Shin-ichi	2381.94
2	Black	Loss	Ishitani Shin-ichi	2381.94
3	White	Draw	Ishitani Shin-ichi	2381.94
30th Tokai Championship - 2nd round
Date	2004-11-21		Rating	2145.59
Round	Color	Result	Opponent
	White	Win	Yamamoto Hukue	1629.13
	White	Draw	Miyoshi Takeo	2257.20
	Black	Draw	Ishitani Shin-ichi	2380.33
30th Tokai Championship - 1st round
Date	2004-10-17		Rating	2141.78
Round	Color	Result	Opponent
	White	Win	Yamamoto Hukue	1627.42
	Black	Loss	Miyoshi Takeo	2255.33
42nd Meijinsen Qualification: Tokai 2nd round
Date	2004-06-13		Rating	2132.18
Round	Color	Result	Opponent
	White	Loss	Ishitani Shin-ichi	2380.88
	White	Loss	Shinoda Kiyoshi	2294.44
	White	Loss	Yamamoto Yasuhiro	2076.03
42nd Meijinsen Qualification: Tokai 1st round
Date	2004-05-23		Rating	2133.04
Round	Color	Result	Opponent
1	White	Win	Miyazu Goichi	1765.96
2	Black	Win	Gamano Yutaka	2050.19
3	Black	Loss	Yamamoto Yasuhiro	2077.92
4	White	Draw	Ishitani Shin-ichi	2380.93
29th Tokai Championship: 1st round
Date	2003-10-19		Rating	2136.67
Round	Color	Result	Opponent
	White	Draw	Oota Tsuyoshi	2237.56
	White	Loss	Miyoshi Takeo	2235.15
	Black	Loss	Gamano Yutaka	2062.80
	White	Win	Miyazu Goichi	1763.29
40th Meijinsen Qualification: Tokai 2nd round
Date	2002-06-09		Rating	2184.80
Round	Color	Result	Opponent
	White	Loss	Ishitani Shin-ichi	2396.93
	Black	Draw	Takazawa Nagayoshi	2076.54
	White	Win	Miyoshi Takeo	2236.86
40th Meijinsen Qualification Tokai area 1st-Round
Date	2002-05-19		Rating	2186.38
Round	Color	Result	Opponent
1	White	Draw	Ishitani Shin-ichi	2397.31
2	Black	Win	Yamamoto Hukue	1601.93
3	Black	Win	Gamano Yutaka	2039.10
4	White	Loss	Miyoshi Takeo	2235.68
The 39th Meijin-sen Tournament
Date	2001-09-24		Rating	2199.57
Round	Color	Result	Opponent
1	Black	Draw	Takagawa Teiji	2340.17
2	White	Loss	Nishimura Toshio	2370.96
3	White	Loss	Hasegawa Kazuto	2576.81
4	Black	Loss	Iio Yoshihiro	2419.43
5	White	Loss	Matsuura Hiroshi	2254.41
6	Black	Loss	Yamaguchi Yusui	2553.95
7	Black	Win	Hayakawa Yoshimi	2417.89
8	Black	Loss	Kudomi Takahiro	2391.07
9	Black	Loss	Nara Hideki	2533.97
38th Meijinsen Tournament
Date	2000-10-01		Rating	2240.86
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2566.74
2	Black	Loss	Kusajima Masato	2362.35
3	Black	Loss	Arai Yutaka	2189.10
4	Black	Loss	Fujinami Hisao	2244.14
5	White	Draw	Kudomi Takahiro	2364.55
6	Black	Loss	Nara Hideki	2579.45
7	Black	Win	Iio Yoshihiro	2364.06
8	Black	Draw	Hayakawa Yoshimi	2428.36
9	Black	Win	Nishizono Norio	2356.37
38th Meijinsen Qualification: Tokai 2nd round
Date	2000-06-11		Rating	2252.66
Round	Color	Result	Opponent
	Black	Win	Saito Koji	2258.61
	Black	Win	Ishitani Shin-ichi	2371.19
	Black	Win	Miyoshi Takeo	2175.51
38th Meijinsen Qualification: Tokai 1st round
Date	2000-05-21		Rating	2251.23
Round	Color	Result	Opponent
1	Black	Win	Miyoshi Takeo	2174.54
2	White	Loss	Saito Koji	2258.23
3	Black	Win	Yamamoto Yasuhiro	1985.46
4	White	Loss	Ishitani Shin-ichi	2370.26
34th Meijin-sen Tournament
Date	1996-09-23		Rating	2197.93
Round	Color	Result	Opponent
1	Black	Win	Matsuura Hiroshi	2169.44
2	Black	Loss	Ooi Kozo	2315.73
3	Black	Loss	Nara Hideki	2534.53
4	Black	Draw	Isobe Taizan	2396.59
5	White	Loss	Sagara Takashi	2487.05
6	Black	Loss	Hasegawa Kazuto	2595.42
7	Black	Loss	Nishizono Norio	2491.01
8	Black	Loss	Nishimura Toshio	2343.39
9	Black	Win	Yamaguchi Yusui	2428.74