Maruyama Yasushi (丸山保司)

Place: Hamamatsu, Japan

Rating: 2179.99, Std: 110.76, Rank: 482

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

Top rating: 2309.97 (2021-05-16)

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

Gy1: 7, Gy2: 22, Gy5: 78

51 Tokai Championship 1st round Hamamatsu area
Date	2025-11-09		Rating	2179.99
Round	Color	Result	Opponent
1	White	Win	Kawada Miki	1853.13
2	Black	Loss	Tamura Kazumasa	2363.30
3	Black	Win	Kamikubo Mineo	1861.73
4	Black	Loss	Takazawa Nagayoshi	2294.09
63 Meijinsen Qualification Hamamatsu area 1st round
Date	2025-05-18		Rating	2186.39
Round	Color	Result	Opponent
1	White	Loss	Fukada Ren	2127.07
2	Black	Loss	Yamamoto Yasuhiro	2175.42
4	White	Win	Kato Daisuke	2015.41
4th Masters Renju Tournament
Date	2025-03-23		Rating	2193.60
Round	Color	Result	Opponent
1	Black	Loss	Miyamoto Syunju	2314.76
2	Black	Win	Takazawa Nagayoshi	2264.06
3	Black	Loss	Maruta Koji	2189.71
5	Black	Win	Kuga Akio	2431.22
50 Tokai Championship 2nd round
Date	2024-12-15		Rating	2200.11
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2277.73
2	White	Win	Shimura Hiroki	2223.12
3	White	Loss	Ishitani Shin-ichi	2403.38
50 Tokai Championship 1st round Hamamatsu area
Date	2024-11-10		Rating	2202.81
Round	Color	Result	Opponent
1	Black	Win	Kato Daisuke	2005.97
2	White	Loss	Shimura Hiroki	2214.91
3	White	Win	Kawada Miki	1863.32
4	Black	Win	Yamamoto Yasuhiro	2174.62
62 Meijinsen Qualification Hamamatsu area 1st round
Date	2024-05-19		Rating	2209.57
Round	Color	Result	Opponent
1	Black	Loss	Fukada Ren	2118.46
2	Black	Loss	Kato Daisuke	1991.77
3	Black	Loss	Takazawa Nagayoshi	2260.85
4	Black	Win	Yamamoto Yasuhiro	2170.56
61st Meijinsen Tournament
Date	2023-09-18		Rating	2256.65
Round	Color	Result	Opponent
1	White	Draw	Matsuda Shoma	2414.30
2	Black	Win	Yamane Tomohiro	2081.72
3	White	Loss	Okabe Hiroshi	2730.63
4	Black	Loss	Fujita Maiko	2428.90
5	White	Loss	Nakayama Tomoharu	2793.29
6	White	Loss	Hasegawa Kazuto	2549.20
7	White	Loss	Makino Mitsunori	2632.99
8	White	Loss	Tachi Masaya	2588.77
9	Black	Draw	Kawano Takahisa	2553.93
61 Meijinsen Qualification Tokai area 2nd round
Date	2023-06-25		Rating	2272.45
Round	Color	Result	Opponent
1	Black	Win	Kato Daisuke	1997.25
2	Black	Win	Ishitani Shin-ichi	2390.54
3	Black	Win	Takazawa Nagayoshi	2301.42
61 Meijinsen Qualification Hamamatsu area 1st round
Date	2023-05-21		Rating	2273.61
Round	Color	Result	Opponent
1	White	Win	Kawada Miki	1854.32
2	White	Loss	Ishitani Shin-ichi	2387.30
3	Black	Win	Fukada Ren	2066.88
4	White	Win	Takazawa Nagayoshi	2304.05
48 Tokai Championship 2nd round
Date	2022-12-18		Rating	2269.86
Round	Color	Result	Opponent
1	White	Loss	Yamamoto Yasuhiro	2187.06
2	White	Win	Maruta Hiroki	2192.03
3	White	Draw	Ishitani Shin-ichi	2383.52
48 Tokai Championship 1st round Hamamatsu area
Date	2022-11-20		Rating	2269.39
Round	Color	Result	Opponent
1	White	Win	Fukada Ren	2063.11
2	White	Win	Kawada Miki	1850.46
3	White	Loss	Ishitani Shin-ichi	2381.11
4	Black	Draw	Yamamoto Yasuhiro	2188.66
60 Meijinsen Qualification Tokai area 2nd round
Date	2022-06-26		Rating	2269.27
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2368.06
2	Black	Loss	Oomura Shu	2387.75
3	Black	Loss	Yamamoto Yasuhiro	2193.10
60th Meijinsen Tournament Tokai area 1st round
Date	2022-05-15		Rating	2270.66
Round	Color	Result	Opponent
1	White	Win	Fukada Ren	2060.31
2	White	Win	Kawada Miki	1853.65
3	White	Loss	Ishitani Shin-ichi	2365.18
4	Black	Win	Yamamoto Yasuhiro	2193.93
5	White	Loss	Takazawa Nagayoshi	2234.18
59th Meijinsen Tournament
Date	2022-01-10		Rating	2277.79
Round	Color	Result	Opponent
1	White	Draw	Ono Takayuki	2429.85
2	White	Loss	Maruta Hiroki	2254.93
3	White	Loss	Okabe Hiroshi	2710.07
4	White	Loss	Hasegawa Kazuto	2573.20
5	White	Loss	Nakayama Tomoharu	2830.97
6	Black	Win	Hayashi Shoichi	2159.41
7	Black	Loss	Iio Yoshihiro	2403.99
8	White	Loss	Kamiya Shunsuke	2866.25
9	White	Loss	Nagasoe Hiroki	2663.42
47 Tokai Championship 2nd round
Date	2021-12-19		Rating	2280.80
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2344.26
2	Black	Win	Yamamoto Yasuhiro	2201.75
3	Black	Loss	Oomura Shu	2387.37
47 Tokai Championship 1st round Hamamatsu area
Date	2021-10-21		Rating	2291.32
Round	Color	Result	Opponent
1	Black	Win	Kato Daisuke	1970.32
2	Black	Loss	Yamamoto Yasuhiro	2207.83
3	Black	Win	Fukada Ren	2070.66
4	White	Win	Kawada Miki	1884.24
5	Black	Win	Takazawa Nagayoshi	2208.71
59 Meijinsen Qualification Tokai area 2nd round
Date	2021-06-27		Rating	2309.31
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2342.49
2	Black	Win	Takazawa Nagayoshi	2199.01
3	Black	Win	Yamamoto Yasuhiro	2209.88
59 Meijinsen Qualification Hamamatsu area 1st round
Date	2021-05-16		Rating	2309.97
Round	Color	Result	Opponent
1	Black	Win	Kawada Miki	1918.63
2	White	Win	Ishitani Shin-ichi	2346.54
3	Black	Draw	Takazawa Nagayoshi	2198.46
4	White	Win	Yamamoto Yasuhiro	2211.53
5	Black	Win	Fukada Ren	2050.26
46 Tokai Championship 2nd round
Date	2020-12-20		Rating	2295.34
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2375.25
2	White	Loss	Mano Yoshihisa	2276.28
3	Black	Draw	Yamamoto Yasuhiro	2221.51
46 Tokai Championship 1st round Hamamatsu area
Date	2020-11-15		Rating	2295.82
Round	Color	Result	Opponent
1	White	Win	Kato Daisuke	1941.05
2	White	Loss	Yamamoto Yasuhiro	2224.32
3	White	Win	Fukada Ren	2007.75
5	White	Win	Yoshida Kazuma	1601.35
58 Meijinsen Qualification Tokai area 2nd round
Date	2020-07-19		Rating	2301.52
Round	Color	Result	Opponent
1	White	Win	Masuda Taku	2031.22
2	White	Loss	Ishitani Shin-ichi	2378.45
3	White	Win	Fujita Yudai	2487.58
58 Meijinsen Qualification Hamamatsu area 1st round
Date	2020-06-28		Rating	2301.30
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2487.81
2	White	Win	Yamamoto Yasuhiro	2219.73
3	White	Win	Kato Daisuke	1928.21
4	White	Draw	Ishitani Shin-ichi	2381.09
45 Tokai Championship 2nd round
Date	2019-12-15		Rating	2291.64
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2378.90
2	White	Loss	Mano Yoshihisa	2313.65
3	White	Win	Yamamoto Yasuhiro	2228.26
45 Tokai Championship Hamamatsu area 1st round
Date	2019-11-17		Rating	2291.61
Round	Color	Result	Opponent
1	White	Win	Kato Daisuke	1910.42
2	Black	Loss	Yamamoto Yasuhiro	2229.75
3	Black	Win	Fukada Ren	1973.28
57 Meijinsen Qualification Tokai area 2nd round
Date	2019-06-23		Rating	2297.19
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2396.97
2	Black	Win	Suzuki Junichiro	2047.54
3	White	Loss	Mano Yoshihisa	2326.87
57 Meijinsen Qualification Hamamatsu area
Date	2019-05-19		Rating	2300.96
Round	Color	Result	Opponent
1	Black	Win	Kamikubo Mineo	1933.51
2	Black	Win	Ishitani Shin-ichi	2397.73
3	Black	Win	Kato Daisuke	1886.66
4	Black	Win	Suzuki Junichiro	2049.39
44 Tokai Championship final match
Date	2019-02-16		Rating	2300.44
Round	Color	Result	Opponent
1	White	Draw	Ishitani Shin-ichi	2410.77
2	Black	Loss	Ishitani Shin-ichi	2410.77
3	White	Loss	Ishitani Shin-ichi	2410.77
44 Tokai Championship 2nd round
Date	2018-12-16		Rating	2303.80
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2421.18
2	Black	Win	Kishi Yoshinori	1941.87
3	Black	Win	Mano Yoshihisa	2330.33
44 Tokai Championship Hamamatsu area 1st round
Date	2018-11-18		Rating	2301.24
Round	Color	Result	Opponent
1	Black	Win	Kato Daisuke	1893.57
2	Black	Win	Takahashi Kodai	1594.27
3	Black	Loss	Suzuki Junichiro	2067.26
5	White	Win	Ishitani Shin-ichi	2425.31
ex1	White	Loss	Ishitani Shin-ichi	2425.31
ex2	White	Win	Suzuki Junichiro	2067.26
56 Meijinsen Qualification Tokai area 2nd round
Date	2018-06-24		Rating	2290.09
Round	Color	Result	Opponent
1	White	Loss	Fujita Yudai	2498.01
2	Black	Loss	Mano Yoshihisa	2346.44
3	White	Loss	Ishitani Shin-ichi	2436.95
56 Meijinsen Qualification Hamamatsu area 1st round
Date	2018-05-20		Rating	2291.14
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2500.67
2	Black	Win	Takazawa Nagayoshi	2165.03
3	White	Win	Kugizaki Michihiko	2027.87
4	White	Draw	Ishitani Shin-ichi	2435.49
43 Tokai Championship 1st round Hamamatsu area
Date	2017-11-26		Rating	2287.19
Round	Color	Result	Opponent
1	White	Draw	Ishitani Shin-ichi	2401.98
2	Black	Loss	Yamamoto Yasuhiro	2196.12
3	Black	Win	Suzuki Junichiro	2068.88
4	White	Win	Kato Daisuke	1869.76
55 Meijinsen Tournament
Date	2017-09-18		Rating	2286.89
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2515.40
2	White	Draw	Matsuura Hiroshi	2343.76
3	White	Loss	Hasegawa Kazuto	2603.03
4	White	Loss	Nakayama Tomoharu	2848.88
5	White	Loss	Iio Yoshihiro	2553.34
6	White	Loss	Sato Kiyotomi	2455.26
7	Black	Loss	Kawano Takahisa	2442.87
8	White	Loss	Kamiya Shunsuke	2815.40
9	White	Loss	Okabe Hiroshi	2726.59
55 Meijinsen Qualification Tokai area 2nd round
Date	2017-06-25		Rating	2297.57
Round	Color	Result	Opponent
1	Black	Win	Takazawa Nagayoshi	2188.12
2	Black	Win	Mano Yoshihisa	2339.79
3	Black	Win	Suzuki Junichiro	2055.52
55 Meijinsen Qualification Tokai area 1st round
Date	2017-05-21		Rating	2297.66
Round	Color	Result	Opponent
1	Black	Win	Kishi Yoshinori	1972.79
2	White	Draw	Takazawa Nagayoshi	2187.95
3	Black	Loss	Fujita Yudai	2488.32
4	White	Win	Yamamoto Yasuhiro	2179.66
5	White	Draw	Mano Yoshihisa	2343.34
42 Tokai Championship 2nd round
Date	2016-12-18		Rating	2295.80
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2402.26
2	Black	Win	Yamamoto Yasuhiro	2163.43
3	White	Loss	Fujita Yudai	2492.26
42 Tokai Championship 1st round
Date	2016-11-20		Rating	2296.32
Round	Color	Result	Opponent
1	Black	Win	Kawada Miki	1878.13
2	Black	Win	Kato Daisuke	1867.61
3	White	Loss	Ishitani Shin-ichi	2404.71
4	Black	Win	Suzuki Junichiro	2030.87
5	White	Win	Yamamoto Yasuhiro	2162.51
54 Meijinsen Tournament
Date	2016-09-19		Rating	2295.37
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2722.49
2	Black	Loss	Iio Yoshihiro	2565.53
3	Black	Loss	Matsuura Hiroshi	2365.49
4	Black	Loss	Nakayama Tomoharu	2782.14
5	Black	Loss	Kuga Akio	2372.58
6	White	Loss	Hasegawa Kazuto	2643.89
7	White	Draw	Koyama Jun	2623.20
8	Black	Loss	Tanaka Toshiki	2448.86
9	White	Loss	Kamiya Shunsuke	2764.57
54 Meijinsen Qualification Tokai area 2nd round
Date	2016-06-26		Rating	2305.46
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2392.12
2	White	Win	Yamamoto Yasuhiro	2155.40
3	Black	Win	Kato Daisuke	1860.95
54 Meijinsen Qualification Tokai area 1st round
Date	2016-05-15		Rating	2305.82
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	2012.19
2	Black	Draw	Mano Yoshihisa	2345.96
3	Black	Win	Yamamoto Yasuhiro	2154.97
4	Black	Win	Kato Daisuke	1862.31
5	White	Draw	Ishitani Shin-ichi	2394.76
41 Tokai Championship 2nd round
Date	2015-12-20		Rating	2295.56
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2445.92
2	Black	Draw	Mano Yoshihisa	2359.15
3	White	Loss	Ishitani Shin-ichi	2401.40
41 Tokai Championship 1st round
Date	2015-11-15		Rating	2295.29
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2437.74
2	Black	Win	Kato Daisuke	1876.71
4	White	Draw	Mano Yoshihisa	2363.33
5	Black	Win	Yamamoto Yasuhiro	2138.68
53 Meijinsen Qualification Tokai area 2nd round
Date	2015-06-21		Rating	2291.49
Round	Color	Result	Opponent
1	White	Draw	Fujita Yudai	2396.07
2	Black	Loss	Ishitani Shin-ichi	2411.50
3	White	Loss	Mano Yoshihisa	2362.29
53 Meijinsen Qualification Tokai area 1st round
Date	2015-05-17		Rating	2292.87
Round	Color	Result	Opponent
1	Black	Draw	Fujita Yudai	2382.55
2	Black	Win	Tatematsu Hikaru	2192.37
3	White	Loss	Ishitani Shin-ichi	2419.79
4	Black	Win	Inoue Katsumi	1910.75
40 Tokai Championship final match
Date	2015-02-15		Rating	2293.82
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2432.63
2	Black	Loss	Ishitani Shin-ichi	2432.63
40 Tokai Championship 2nd round
Date	2014-12-21		Rating	2298.27
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2126.58
2	Black	Win	Ishitani Shin-ichi	2437.85
3	White	Draw	Tatematsu Hikaru	2193.99
52 Meijinsen Qualification Tokai area 1st round
Date	2014-04-20		Rating	2295.51
Round	Color	Result	Opponent
1	White	Win	Takazawa Nagayoshi	2045.16
2	White	Loss	Fukui Nobuhiro	2626.18
3	Black	Win	Suzuki Junichiro	1958.02
4	White	Loss	Ishitani Shin-ichi	2456.22
39 Tokai Championship final match
Date	2014-02-16		Rating	2295.48
Round	Color	Result	Opponent
1	White	Draw	Mano Yoshihisa	2318.29
2	White	Draw	Mano Yoshihisa	2318.29
3	White	Draw	Mano Yoshihisa	2318.29
4	White	Draw	Mano Yoshihisa	2318.29
5	Black	Win	Mano Yoshihisa	2318.29
9th All Japan Championship
Date	2014-01-26		Rating	2293.92
Round	Color	Result	Opponent
1	Black	Loss	Oosumi Yuuki	2835.16
2	Black	Loss	Yamamoto Yasuhiro	2150.84
3	White	Win	Kon Akira	1991.75
4	White	Draw	Kim Chang-Su	2071.47
5	White	Loss	Kobayashi Koichi	2234.13
6	White	Win	Miyagawa Junzo	2203.45
39 Tokai Championship 2nd round
Date	2013-12-15		Rating	2295.86
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2155.48
2	White	Loss	Mano Yoshihisa	2320.57
3	Black	Win	Ishitani Shin-ichi	2434.15
39 Tokai Championship 1st round
Date	2013-11-17		Rating	2295.49
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1941.55
2	White	Win	Yamamoto Yasuhiro	2160.92
3	Black	Win	Mano Yoshihisa	2317.62
51 Meijinsen Qualification Tokai area 2nd round
Date	2013-05-19		Rating	2273.64
Round	Color	Result	Opponent
1	White	Draw	Yamamoto Yasuhiro	2183.84
2	Black	Win	Fukui Nobuhiro	2578.94
3	Black	Loss	Mano Yoshihisa	2312.62
51 Meijinsen Qualification Tokai area 1st round
Date	2013-04-21		Rating	2269.40
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1929.33
2	White	Loss	Mano Yoshihisa	2307.97
3	Black	Win	Saito Syuichi	2067.11
4	White	Loss	Yamamoto Yasuhiro	2188.26
38 Tokai Championship 2nd round
Date	2012-11-18		Rating	2258.02
Round	Color	Result	Opponent
1	White	Draw	Ishitani Shin-ichi	2365.39
2	Black	Draw	Saito Syuichi	2073.94
3	White	Loss	Mano Yoshihisa	2281.89
38 Tokai Championship 1st round
Date	2012-10-21		Rating	2257.69
Round	Color	Result	Opponent
1	White	Loss	Mano Yoshihisa	2274.04
2	Black	Win	Suzuki Junichiro	1920.88
3	Black	Win	Saito Syuichi	2075.64
10th Middle-dan players Tournament
Date	2012-08-26		Rating	2257.59
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1921.60
2	White	Loss	Nagao Noriaki	2396.13
3	Black	Draw	Kashihara Akihiko	2313.31
4	White	Win	Yamamoto Yasuhiro	2163.35
5	White	Win	Kubo Izumi	2093.03
6	White	Loss	Fukui Nobuhiro	2538.84
50 Meijinsen Qualification Tokai area 2nd round
Date	2012-05-20		Rating	2253.32
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2155.64
2	Black	Loss	Fukui Nobuhiro	2514.36
3	Black	Draw	Miyoshi Takeo	2176.77
50 Meijinsen Qualification Tokai area 1st round
Date	2012-04-15		Rating	2251.51
Round	Color	Result	Opponent
1	White	Loss	Yamamoto Yasuhiro	2156.56
3	Black	Win	Suzuki Junichiro	1938.23
4	White	Win	Mano Yoshihisa	2238.44
37 Tokai Championship final match
Date	2012-02-19		Rating	2248.69
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2378.62
2	Black	Loss	Ishitani Shin-ichi	2378.62
3	White	Loss	Ishitani Shin-ichi	2378.62
37 Tokai Championship 2nd round
Date	2011-11-20		Rating	2243.73
Round	Color	Result	Opponent
1	White	Draw	Yamamoto Yasuhiro	2145.66
2	White	Loss	Ishitani Shin-ichi	2394.70
3	White	Win	Mano Yoshihisa	2235.19
37 Tokai Championship 1st round
Date	2011-10-16		Rating	2241.61
Round	Color	Result	Opponent
1	Black	Loss	Suzuki Junichiro	1953.19
3	Black	Win	Miyoshi Takeo	2163.33
4	White	Win	Yamamoto Yasuhiro	2144.73
49 Meijinsen Qualification Tokai area 2nd round
Date	2011-05-15		Rating	2233.76
Round	Color	Result	Opponent
1	White	Draw	Mano Yoshihisa	2268.76
2	White	Loss	Miyoshi Takeo	2153.12
3	Black	Win	Ishitani Shin-ichi	2394.02
49 Meijinsen Qualification Tokai area 1st round
Date	2011-04-17		Rating	2231.87
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2129.44
2	White	Win	Kugizaki Michihiko	1939.86
3	White	Loss	Ishitani Shin-ichi	2394.01
4	White	Loss	Suzuki Junichiro	1944.09
36 Tokai Championship 1st round
Date	2010-10-17		Rating	2231.83
Round	Color	Result	Opponent
1	Black	Loss	Yamamoto Yasuhiro	2129.48
2	White	Loss	Mano Yoshihisa	2315.69
3	White	Win	Kawada Miki	1888.90
4	White	Win	Suzuki Junichiro	1924.20
48 Meijinsen Qualification Tokai area 1st round
Date	2010-04-18		Rating	2247.11
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2141.42
2	White	Loss	Mano Yoshihisa	2323.09
3	White	Win	Miyazu Goichi	1819.84
4	Black	Draw	Ishitani Shin-ichi	2401.48
35 Tokai Championship final match
Date	2010-02-21		Rating	2250.27
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2394.55
2	White	Loss	Ishitani Shin-ichi	2394.55
35 Tokai Championship 2nd round
Date	2009-11-15		Rating	2262.42
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2151.58
2	White	Draw	Ishitani Shin-ichi	2372.44
3	Black	Win	Miyoshi Takeo	2154.91
35 Tokai Championship 1st round
Date	2009-10-18		Rating	2263.25
Round	Color	Result	Opponent
1	Black	Loss	Yamamoto Yasuhiro	2152.06
2	Black	Win	Suzuki Junichiro	1906.58
3	White	Win	Kamikubo Mineo	1941.95
4	White	Win	Mano Yoshihisa	2320.65
8th Middle-dan Players Tournament
Date	2009-08-30		Rating	2263.74
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2050.81
2	White	Win	Kubo Izumi	2115.66
3	White	Win	Gakumazawa Hideaki	2140.08
4	White	Win	Sato Kiyotomi	2435.61
5	Black	Draw	Koyama Jun	2446.10
6	White	Win	Yamamoto Yasuhiro	2149.41
47th Meijinsen Qualification Tokai area 1st round
Date	2009-04-19		Rating	2247.83
Round	Color	Result	Opponent
1	Black	Win	Kawasaki Nobuhiko	2105.34
2	White	Loss	Ishitani Shin-ichi	2390.68
3	White	Loss	Yamamoto Yasuhiro	2143.23
4	White	Win	Kugizaki Michihiko	1951.98
34th Tokai Championship 2nd round
Date	2008-11-16		Rating	2237.83
Round	Color	Result	Opponent
	White	Loss	Ishitani Shin-ichi	2398.74
	White	Loss	Miyoshi Takeo	2229.65
	White	Win	Yamamoto Yasuhiro	2119.98
34th Tokai Championship, 1st round
Date	2008-10-19		Rating	2237.44
Round	Color	Result	Opponent
	Black	Win	Miyoshi Takeo	2232.82
	Black	Win	Saito Syuichi	2096.10
	Black	Win	Yamamoto Yasuhiro	2115.29
	Black	Win	Miyazu Goichi	1822.98
7th 6-7 dan Tournament
Date	2008-09-28		Rating	2234.31
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	1998.49
2	Black	Loss	Tamura Kazumasa	2471.81
3	Black	Draw	Kubo Izumi	2109.94
4	White	Win	Tanno Yoshitaka	2119.68
5	White	Loss	Ono Takayuki	2411.04
6	White	Win	Gakumazawa Hideaki	2179.65
46th Meijinsen Qualification Tokai area, Final round
Date	2008-05-18		Rating	2209.65
Round	Color	Result	Opponent
	White	Loss	Ishitani Shin-ichi	2408.94
	Black	Win	Miyoshi Takeo	2263.21
	Black	Win	Yamamoto Yasuhiro	2107.27
46th Meijinsen Qualification Tokai area 1st round
Date	2008-04-20		Rating	2202.31
Round	Color	Result	Opponent
	White	Loss	Ishitani Shin-ichi	2408.77
	White	Loss	Yamamoto Yasuhiro	2108.29
	Black	Win	Miyazu Goichi	1825.58
	Black	Win	Kamikubo Mineo	1883.94
33rd Tokai Championship 2nd round
Date	2007-11-18		Rating	2172.61
Round	Color	Result	Opponent
	White	Loss	Miyoshi Takeo	2294.78
	White	Loss	Ishitani Shin-ichi	2400.40
	White	Loss	Yamamoto Yasuhiro	2099.15
33rd Tokai Championship 1st round
Date	2007-10-21		Rating	2170.78
Round	Color	Result	Opponent
	White	Win	Kamikubo Mineo	1865.30
	White	Win	Yamamoto Hukue	1665.14
	White	Win	Yamamoto Yasuhiro	2093.73
	Black	Loss	Miyoshi Takeo	2299.72
45th Meijinsen Qualification Tokai area - 1st round
Date	2007-04-15		Rating	2152.81
Round	Color	Result	Opponent
1	White	Loss	Miyoshi Takeo	2291.40
2	White	Win	Kugizaki Michihiko	1844.92
3	White	Loss	Yamamoto Yasuhiro	2079.49
4	White	Win	Miyazu Goichi	1819.22
32nd Tokai Championship - 2nd round
Date	2006-11-26		Rating	2149.49
Round	Color	Result	Opponent
	White	Win	Miyazu Goichi	1820.64
	Black	Draw	Miyoshi Takeo	2283.68
	Black	Loss	Ishitani Shin-ichi	2372.44
32nd Tokai Championship - 1st round
Date	2006-10-15		Rating	2148.03
Round	Color	Result	Opponent
	White	Loss	Miyoshi Takeo	2281.35
	White	Loss	Miyazu Goichi	1822.16
	Black	Win	Yamamoto Yasuhiro	2065.30
	Black	Win	Takatsu Hitoshi	1936.88
Meijin-sen Qual, Tokai area final round
Date	2006-06-11		Rating	2151.68
Round	Color	Result	Opponent
	White	Loss	Ishitani Shin-ichi	2372.96
	White	Loss	Shinoda Kiyoshi	2358.02
	White	Win	Miyoshi Takeo	2274.10
Meijin-sen Qual, Tokai area 1st round
Date	2006-05-21		Rating	2151.78
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2273.86
2	White	Loss	Yamamoto Yasuhiro	2063.40
3	Black	Win	Takatsu Hitoshi	1923.48
4	Black	Loss	Shinoda Kiyoshi	2357.70
31st Tokai Championship - 1st round
Date	2005-10-16		Rating	2152.29
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Hukue	1634.55
2	Black	Loss	Shinoda Kiyoshi	2345.34
3	Black	Win	Suzuki Junichiro	1845.45
4	Black	Draw	Miyoshi Takeo	2280.55
30th Tokai Championship - Final match
Date	2005-01-16		Rating	2149.20
Round	Color	Result	Opponent
1	White	Draw	Ishitani Shin-ichi	2382.57
2	Black	Loss	Ishitani Shin-ichi	2382.57
3	White	Draw	Ishitani Shin-ichi	2382.57
30th Tokai Championship - 2nd round
Date	2004-11-21		Rating	2146.21
Round	Color	Result	Opponent
	White	Win	Yamamoto Hukue	1629.55
	White	Draw	Miyoshi Takeo	2257.82
	Black	Draw	Ishitani Shin-ichi	2380.96
30th Tokai Championship - 1st round
Date	2004-10-17		Rating	2142.40
Round	Color	Result	Opponent
	White	Win	Yamamoto Hukue	1627.84
	Black	Loss	Miyoshi Takeo	2255.94
42nd Meijinsen Qualification: Tokai 2nd round
Date	2004-06-13		Rating	2132.79
Round	Color	Result	Opponent
	White	Loss	Ishitani Shin-ichi	2381.50
	White	Loss	Shinoda Kiyoshi	2295.00
	White	Loss	Yamamoto Yasuhiro	2076.59
42nd Meijinsen Qualification: Tokai 1st round
Date	2004-05-23		Rating	2133.65
Round	Color	Result	Opponent
1	White	Win	Miyazu Goichi	1766.48
2	Black	Win	Gamano Yutaka	2050.63
3	Black	Loss	Yamamoto Yasuhiro	2078.48
4	White	Draw	Ishitani Shin-ichi	2381.55
29th Tokai Championship: 1st round
Date	2003-10-19		Rating	2137.28
Round	Color	Result	Opponent
	White	Draw	Oota Tsuyoshi	2238.08
	White	Loss	Miyoshi Takeo	2235.75
	Black	Loss	Gamano Yutaka	2063.25
	White	Win	Miyazu Goichi	1763.79
40th Meijinsen Qualification: Tokai 2nd round
Date	2002-06-09		Rating	2185.43
Round	Color	Result	Opponent
	White	Loss	Ishitani Shin-ichi	2397.58
	Black	Draw	Takazawa Nagayoshi	2077.32
	White	Win	Miyoshi Takeo	2237.48
40th Meijinsen Qualification Tokai area 1st-Round
Date	2002-05-19		Rating	2187.01
Round	Color	Result	Opponent
1	White	Draw	Ishitani Shin-ichi	2397.97
2	Black	Win	Yamamoto Hukue	1602.27
3	Black	Win	Gamano Yutaka	2039.51
4	White	Loss	Miyoshi Takeo	2236.30
The 39th Meijin-sen Tournament
Date	2001-09-24		Rating	2200.22
Round	Color	Result	Opponent
1	Black	Draw	Takagawa Teiji	2340.81
2	White	Loss	Nishimura Toshio	2371.59
3	White	Loss	Hasegawa Kazuto	2577.57
4	Black	Loss	Iio Yoshihiro	2420.14
5	White	Loss	Matsuura Hiroshi	2255.05
6	Black	Loss	Yamaguchi Yusui	2554.63
7	Black	Win	Hayakawa Yoshimi	2418.67
8	Black	Loss	Kudomi Takahiro	2391.77
9	Black	Loss	Nara Hideki	2534.75
38th Meijinsen Tournament
Date	2000-10-01		Rating	2241.51
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2567.60
2	Black	Loss	Kusajima Masato	2363.02
3	Black	Loss	Arai Yutaka	2189.71
4	Black	Loss	Fujinami Hisao	2244.69
5	White	Draw	Kudomi Takahiro	2365.22
6	Black	Loss	Nara Hideki	2580.28
7	Black	Win	Iio Yoshihiro	2364.78
8	Black	Draw	Hayakawa Yoshimi	2429.20
9	Black	Win	Nishizono Norio	2357.20
38th Meijinsen Qualification: Tokai 2nd round
Date	2000-06-11		Rating	2253.31
Round	Color	Result	Opponent
	Black	Win	Saito Koji	2259.19
	Black	Win	Ishitani Shin-ichi	2371.82
	Black	Win	Miyoshi Takeo	2176.10
38th Meijinsen Qualification: Tokai 1st round
Date	2000-05-21		Rating	2251.88
Round	Color	Result	Opponent
1	Black	Win	Miyoshi Takeo	2175.14
2	White	Loss	Saito Koji	2258.82
3	Black	Win	Yamamoto Yasuhiro	1985.89
4	White	Loss	Ishitani Shin-ichi	2370.89
34th Meijin-sen Tournament
Date	1996-09-23		Rating	2198.60
Round	Color	Result	Opponent
1	Black	Win	Matsuura Hiroshi	2170.04
2	Black	Loss	Ooi Kozo	2316.40
3	Black	Loss	Nara Hideki	2535.60
4	Black	Draw	Isobe Taizan	2397.32
5	White	Loss	Sagara Takashi	2488.35
6	Black	Loss	Hasegawa Kazuto	2596.71
7	Black	Loss	Nishizono Norio	2491.89
8	Black	Loss	Nishimura Toshio	2344.06
9	Black	Win	Yamaguchi Yusui	2429.44