Ishitani Shin-ichi (石谷信一)

Place: Fuji, Japan

Rating: 2265.87, Rank: 233

First game: 1993-08-12, Last game: 2021-08-08

Top rating: 2379.05 (2014-05-11)

Games: 752, Wins: 351, Draws: 90, Losses: 311

Gy1: 34, Gy2: 74, Gy5: 220

38 Kanto Championship
Date	2021-08-08		Rating	2265.87
Round	Color	Result	Opponent
1	White	Win	Shimura Hiroki	1874.55
2	Black	Loss	Okabe Hiroshi	2622.40
3	Black	Loss	Maruta Hiroki	2145.99
4	Black	Win	Kobayashi Nanako	1910.26
5	Black	Draw	Suenaga Daiki	2180.92
6	White	Loss	Nagasoe Hiroki	2522.98
59 Meijinsen Qualification Tokai area 2nd round
Date	2021-06-27		Rating	2268.60
Round	Color	Result	Opponent
1	Black	Loss	Maruyama Yasushi	2289.69
2	White	Win	Yamamoto Yasuhiro	2156.49
3	Black	Draw	Takazawa Nagayoshi	2091.39
59 Meijinsen Qualification Hamamatsu area 1st round
Date	2021-05-16		Rating	2272.46
Round	Color	Result	Opponent
1	Black	Win	Kamikubo Mineo	1812.78
2	Black	Loss	Maruyama Yasushi	2286.48
3	Black	Win	Fukada Ren	1931.09
4	Black	Win	Takazawa Nagayoshi	2092.68
5	Black	Loss	Kawada Miki	1920.60
16th All Japan Championship
Date	2021-03-28		Rating	2280.28
Round	Color	Result	Opponent
1	Black	Loss	Maruyama Takashi	1971.23
2	Black	Win	Maruta Koji	2017.36
3	Black	Loss	Fujita Maiko	2237.90
4	Black	Win	Suenaga Daiki	2180.63
5	Black	Loss	Makino Mitsunori	2464.93
6	White	Win	Kawaai Hitoshi	1910.97
46 Tokai Championship Final Match
Date	2021-02-21		Rating	2288.53
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2269.28
2	Black	Win	Mano Yoshihisa	2269.28
24th New Year(Mikami)Cup
Date	2021-01-29		Rating	2292.35
Round	Color	Result	Opponent
S1	White	Draw	Makino Mitsunori	2459.25
S2	Black	Win	Ono Takayuki	2280.80
S3	White	Win	Maruta Hiroki	2129.74
S4	Black	Loss	Okabe Hiroshi	2640.78
S5	Black	Win	Maruta Koji	2017.12
46 Tokai Championship 2nd round
Date	2020-12-20		Rating	2295.89
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2266.83
2	Black	Draw	Yamamoto Yasuhiro	2163.70
3	Black	Win	Mano Yoshihisa	2273.70
21 Renju Emperor Tournament Kanto area 1st round
Date	2020-11-15		Rating	2297.05
Round	Color	Result	Opponent
1	White	Win	Fujita Maiko	2254.76
2	Black	Loss	Inoue Fumiya	2359.52
3	Black	Loss	Makino Mitsunori	2444.99
4	White	Win	Suenaga Daiki	2183.50
37 Kanto Championship
Date	2020-08-10		Rating	2299.76
Round	Color	Result	Opponent
1	Black	Win	Kawaai Hitoshi	1917.80
2	Black	Win	Maruyama Takashi	1962.57
3	Black	Loss	Okabe Hiroshi	2642.21
4	Black	Loss	Fujita Maiko	2266.13
5	Black	Win	Shimura Hiroki	1845.25
6	Black	Loss	Maruta Hiroki	2144.87
58 Meijinsen Qualification Tokai area 2nd round
Date	2020-07-19		Rating	2302.15
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2412.41
2	Black	Win	Maruyama Yasushi	2262.35
3	Black	Win	Masuda Taku	1986.54
ex	Black	Loss	Fujita Yudai	2412.41
58 Meijinsen Qualification Hamamatsu area 1st round
Date	2020-06-28		Rating	2304.60
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2161.01
2	Black	Win	Fukada Ren	1915.70
3	Black	Win	Fujita Yudai	2412.64
4	Black	Draw	Maruyama Yasushi	2261.22
5	Black	Win	Takazawa Nagayoshi	2079.41
45 Tokai Championship final match
Date	2020-02-16		Rating	2308.26
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2278.35
2	Black	Win	Mano Yoshihisa	2278.35
23 New Year (Mikami) Cup
Date	2020-01-26		Rating	2307.41
Round	Color	Result	Opponent
A1	Black	Loss	Fujita Maiko	2263.66
A2	Black	Loss	Inoue Fumiya	2335.17
A3	Black	Loss	Ono Takayuki	2302.53
A4	Black	Win	Iwano Fumio	2098.67
A5	Black	Loss	Okabe Hiroshi	2644.39
15th All Japan Championship
Date	2020-01-19		Rating	2307.87
Round	Color	Result	Opponent
1	Black	Loss	Nakayama Tomoharu	2756.33
2	White	Win	Fujita Maiko	2263.30
3	Black	Loss	Nakamura Shigeru	2885.86
4	White	Win	Hata Masayuki	2114.55
5	Black	Loss	Iio Yoshihiro	2343.65
6	Black	Win	Makino Mitsunori	2332.03
45 Tokai Championship 2nd round
Date	2019-12-15		Rating	2308.43
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2247.42
2	Black	Win	Yamamoto Yasuhiro	2165.23
3	Black	Loss	Mano Yoshihisa	2282.03
20 Renju Emperor Tournament 2nd round
Date	2019-12-08		Rating	2308.45
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2887.85
2	Black	Win	Miyamoto Syunju	2229.50
3	Black	Loss	Fujita Maiko	2265.29
4	Black	Loss	Inoue Fumiya	2337.10
5	Black	Loss	Okabe Hiroshi	2642.85
20 Renju Emperor Tournament Kanto area 1st round
Date	2019-11-10		Rating	2310.18
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2100.33
2	White	Loss	Fujita Maiko	2265.61
3	Black	Win	Maruta Koji	2049.68
4	White	Loss	Inoue Fumiya	2338.43
11th Tohoku Championship
Date	2019-10-06		Rating	2313.93
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	2017.95
2	Black	Draw	Gakumazawa Hideaki	2099.72
3	White	Win	Miyamoto Syunju	2227.08
4	Black	Loss	Okabe Hiroshi	2641.35
5	Black	Loss	Kusajima Masato	2186.89
57 Meijinsen Tournament
Date	2019-09-16		Rating	2316.89
Round	Color	Result	Opponent
1	Black	Win	Kawano Takahisa	2376.72
2	Black	Loss	Okabe Hiroshi	2640.34
3	Black	Win	Matsuura Hiroshi	2305.64
4	Black	Loss	Nakayama Tomoharu	2742.26
5	White	Win	Inoue Fumiya	2338.98
6	Black	Loss	Kamiya Shunsuke	2729.48
7	White	Loss	Kawamura Norihiko	2598.30
8	Black	Loss	Hasegawa Kazuto	2535.52
9	White	Loss	Koyama Jun	2529.66
36 Kanto Championship
Date	2019-07-28		Rating	2321.74
Round	Color	Result	Opponent
1	White	Loss	Maruyama Takashi	1960.94
2	White	Win	Fujikawa Masaki	2094.59
3	White	Win	Maruta Hiroki	2112.63
4	White	Win	Makino Mitsunori	2271.21
5	Black	Loss	Nakamura Shigeru	2899.03
6	Black	Loss	Okabe Hiroshi	2635.66
57 Meijinsen Qualification Tokai area 2nd round
Date	2019-06-23		Rating	2325.64
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2245.63
2	Black	Win	Mano Yoshihisa	2286.14
3	Black	Win	Suzuki Junichiro	1990.51
57 Meijinsen Qualification Hamamatsu area
Date	2019-05-19		Rating	2327.05
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1991.73
2	White	Loss	Maruyama Yasushi	2247.10
3	Black	Win	Kamikubo Mineo	1889.62
5	White	Win	Kato Daisuke	1840.54
14th All Japan Championship
Date	2019-03-31		Rating	2330.31
Round	Color	Result	Opponent
1	Black	Loss	Chigira Makoto	2022.97
2	Black	Win	Kusajima Masato	2206.52
3	White	Win	Fujita Maiko	2218.79
4	Black	Loss	Nakayama Tomoharu	2736.58
5	White	Loss	Iio Yoshihiro	2386.15
6	White	Loss	Maruta Hiroki	2111.87
44 Tokai Championship final match
Date	2019-02-16		Rating	2337.86
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2244.13
2	White	Win	Maruyama Yasushi	2244.13
3	Black	Win	Maruyama Yasushi	2244.13
19 Renju Emperor Tournament 2nd round
Date	2018-12-31		Rating	2344.01
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2205.43
2	Black	Loss	Okabe Hiroshi	2616.25
3	Black	Win	Iwano Fumio	2163.86
4	White	Loss	Nakamura Shigeru	2909.06
5	White	Win	Maruta Hiroki	2105.26
44 Tokai Championship 2nd round
Date	2018-12-16		Rating	2345.34
Round	Color	Result	Opponent
1	Black	Loss	Maruyama Yasushi	2244.92
2	White	Win	Mano Yoshihisa	2284.24
3	White	Win	Kishi Yoshinori	1910.28
44 Tokai Championship Hamamatsu area 1st round
Date	2018-11-18		Rating	2348.15
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	2003.01
3	Black	Win	Takahashi Kodai	1566.15
4	Black	Win	Kato Daisuke	1845.96
5	Black	Loss	Maruyama Yasushi	2242.52
ex1	Black	Win	Maruyama Yasushi	2242.52
50 Kyoto Classified Tournament
Date	2018-11-11		Rating	2348.91
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2402.25
2	White	Draw	Fujita Maiko	2191.96
3	Black	Loss	Tanaka Toshiki	2433.19
4	White	Loss	Hasegawa Kazuto	2514.66
5	Black	Win	Nishida Toshio	1991.88
19 Renju Emperor Tournament Kanto area 1st round
Date	2018-10-21		Rating	2351.47
Round	Color	Result	Opponent
1	Black	Draw	Inoue Fumiya	2331.77
2	White	Win	Fujita Maiko	2188.87
3	Black	Draw	Koyama Jun	2501.78
4	Black	Win	Ono Takayuki	2316.09
56 Meijinsen Tournament
Date	2018-09-17		Rating	2353.33
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2908.85
2	Black	Loss	Kamiya Shunsuke	2713.54
3	Black	Win	Hasegawa Kazuto	2512.60
4	Black	Loss	Kuga Akio	2325.05
6	White	Win	Koyama Jun	2503.62
7	Black	Draw	Matsuura Hiroshi	2295.00
8	Black	Loss	Okabe Hiroshi	2624.71
9	White	Loss	Kawamura Norihiko	2581.60
35 Kanto Championship
Date	2018-07-16		Rating	2355.56
Round	Color	Result	Opponent
1	White	Win	Fujita Maiko	2171.80
2	White	Draw	Nakayama Tomoharu	2750.17
3	Black	Draw	Sato Kiyotomi	2375.08
4	Black	Loss	Inoue Fumiya	2324.23
5	Black	Win	Fujikawa Masaki	2053.03
6	White	Loss	Okabe Hiroshi	2629.52
56 Meijinsen Qualification Tokai area 2nd round
Date	2018-06-24		Rating	2356.14
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2291.67
2	White	Draw	Fujita Yudai	2419.93
3	Black	Win	Maruyama Yasushi	2232.00
56 Meijinsen Qualification Hamamatsu area 1st round
Date	2018-05-20		Rating	2354.91
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	2005.83
2	White	Win	Kato Daisuke	1841.16
3	White	Win	Fujita Yudai	2421.62
4	Black	Draw	Maruyama Yasushi	2232.09
5	White	Win	Takazawa Nagayoshi	2085.82
13th All Japan Championship
Date	2018-01-28		Rating	2344.59
Round	Color	Result	Opponent
1	White	Draw	Iio Yoshihiro	2458.36
2	Black	Win	Koyama Jun	2510.34
3	White	Loss	Tachi Masaya	2480.27
4	Black	Win	Ono Takayuki	2309.36
5	White	Loss	Okabe Hiroshi	2637.11
6	White	Win	Miyamoto Syunju	2200.48
21 Mikami Cup
Date	2018-01-21		Rating	2343.34
Round	Color	Result	Opponent
S1	Black	Win	Sato Kiyotomi	2370.22
S2	Black	Loss	Okabe Hiroshi	2637.83
S3	White	Win	Ono Takayuki	2308.61
43 Tokai Championship 2nd round
Date	2017-12-17		Rating	2334.93
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2133.26
2	White	Loss	Naito Yuya	2462.86
3	Black	Loss	Fujita Yudai	2424.36
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-30		Rating	2331.42
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2206.42
2	Black	Win	Iwano Fumio	2186.76
3	Black	Win	Maruta Koji	2059.02
4	Black	Loss	Okabe Hiroshi	2640.36
43 Tokai Championship 1st round Hamamatsu area
Date	2017-11-26		Rating	2330.70
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2227.20
3	White	Win	Kato Daisuke	1831.07
4	Black	Win	Yamamoto Yasuhiro	2133.10
5	Black	Loss	Suzuki Junichiro	2001.51
49 Kyoto Classified Tournament
Date	2017-11-12		Rating	2328.92
Round	Color	Result	Opponent
S1	Black	Loss	Kawamura Norihiko	2573.89
S2	White	Loss	Hata Masayuki	2137.08
S3	White	Loss	Hasegawa Kazuto	2526.38
S5	Black	Loss	Iio Yoshihiro	2465.38
34 Kanto Championship
Date	2017-07-16		Rating	2327.03
Round	Color	Result	Opponent
1	Black	Win	Koyama Akihiro	1906.42
2	White	Win	Maruta Koji	2069.79
3	Black	Win	Iwano Fumio	2196.00
4	White	Draw	Nakayama Tomoharu	2742.03
5	Black	Loss	Okabe Hiroshi	2641.94
6	Black	Loss	Ono Takayuki	2306.55
55 Meijinsen Qualification Tokai area 1st round
Date	2017-05-21		Rating	2324.77
Round	Color	Result	Opponent
1	Black	Draw	Suzuki Junichiro	1990.14
2	White	Win	Yamamoto Yasuhiro	2119.64
3	Black	Loss	Mano Yoshihisa	2282.74
4	White	Loss	Fujita Yudai	2412.33
5	Black	Win	Kamikubo Mineo	1943.54
12th All Japan Championship
Date	2017-03-26		Rating	2326.55
Round	Color	Result	Opponent
1	White	Draw	Nakayama Tomoharu	2718.26
2	Black	Win	Iio Yoshihiro	2471.09
3	White	Loss	Koyama Jun	2532.38
4	White	Draw	Sato Kiyotomi	2408.65
5	White	Loss	Tachi Masaya	2466.32
6	Black	Win	Nishida Toshio	2031.90
42 Tokai Championship final match
Date	2017-02-19		Rating	2325.52
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2415.07
2	White	Draw	Fujita Yudai	2415.07
3	White	Loss	Fujita Yudai	2415.07
20 New Year (Mikami) Cup
Date	2017-01-22		Rating	2325.98
Round	Color	Result	Opponent
S1	Black	Loss	Nakamura Shigeru	2880.01
S2	Black	Loss	Okabe Hiroshi	2641.40
S3	Black	Loss	Sato Kiyotomi	2418.70
S4	White	Loss	Koyama Jun	2536.20
42 Tokai Championship 2nd round
Date	2016-12-18		Rating	2328.58
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2231.56
2	Black	Loss	Fujita Yudai	2413.62
3	Black	Win	Yamamoto Yasuhiro	2106.64
17 Kanto Renju Emperor Tournament 2nd round
Date	2016-12-10		Rating	2329.06
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2876.31
2	Black	Draw	Nakayama Tomoharu	2708.97
3	White	Loss	Okabe Hiroshi	2638.57
4	Black	Win	Maruta Koji	2091.37
5	White	Loss	Sato Kiyotomi	2426.35
42 Tokai Championship 1st round
Date	2016-11-20		Rating	2330.17
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1971.21
2	Black	Win	Yamamoto Yasuhiro	2105.71
3	Black	Win	Maruyama Yasushi	2231.91
4	Black	Win	Takazawa Nagayoshi	2081.94
5	Black	Win	Kato Daisuke	1831.58
48 Kyoto Classified Tournament
Date	2016-11-13		Rating	2330.07
Round	Color	Result	Opponent
SY1	Black	Win	Doi Manabu	1937.18
SY2	Black	Win	Nishida Toshio	2037.48
SY3	White	Win	Mano Yoshihisa	2271.69
SY4	Black	Draw	Takagawa Teiji	2185.48
SY5	Black	Win	Nishida Toshio	2037.48
33 Kanto Championship
Date	2016-07-31		Rating	2323.71
Round	Color	Result	Opponent
1	Black	Win	Yunoki Takahiro	1755.94
2	White	Loss	Nakayama Tomoharu	2701.63
3	White	Loss	Maruta Hiroki	2071.08
4	White	Loss	Fujikawa Masaki	2052.94
5	Black	Win	Kato Yasuhiro	2004.75
6	White	Draw	Koyama Jun	2546.34
54 Meijinsen Qualification Tokai area 2nd round
Date	2016-06-26		Rating	2324.92
Round	Color	Result	Opponent
1	White	Loss	Maruyama Yasushi	2238.20
2	Black	Win	Kato Daisuke	1826.58
3	White	Win	Yamamoto Yasuhiro	2099.81
54 Meijinsen Qualification Tokai area 1st round
Date	2016-05-15		Rating	2327.48
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2099.23
2	Black	Win	Kato Daisuke	1827.42
3	Black	Win	Mano Yoshihisa	2281.30
4	White	Win	Suzuki Junichiro	1955.76
5	Black	Draw	Maruyama Yasushi	2238.53
Team World Championship
Date	2016-05-04		Rating	2327.60
Round	Color	Result	Opponent
1	Black	Win	Topkin Georg-Romet	2301.62
2	Black	Loss	Lents Johann	2593.23
3	Black	Draw	Sandstrom Richard	2265.32
5	White	Loss	Fedotov Denis	2512.44
6	Black	Loss	Lan Zhiren	2564.75
9	White	Draw	Rahumagi Brenet	2250.14
19 Mikami Cup
Date	2016-03-13		Rating	2329.59
Round	Color	Result	Opponent
S1	Black	Loss	Koyama Jun	2553.40
S2	Black	Win	Ono Takayuki	2270.71
S3	White	Loss	Kamiya Shunsuke	2646.85
S5	Black	Loss	Nakamura Shigeru	2860.91
41 Tokai Championship Final round
Date	2016-02-21		Rating	2330.37
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2388.35
2	Black	Draw	Fujita Yudai	2388.35
3	Black	Loss	Fujita Yudai	2388.35
11th All Japan Championship
Date	2016-01-11		Rating	2334.18
Round	Color	Result	Opponent
1	Black	Loss	Nakayama Tomoharu	2698.63
2	White	Win	Suzuki Rin	1891.32
3	Black	Loss	Sato Kiyotomi	2449.93
4	White	Loss	Okabe Hiroshi	2644.95
5	White	Win	Kudomi Takahiro	2164.75
6	Black	Win	Iio Yoshihiro	2468.52
41 Tokai Championship 2nd round
Date	2015-12-20		Rating	2335.51
Round	Color	Result	Opponent
1	White	Win	Mano Yoshihisa	2290.01
2	Black	Win	Fujita Yudai	2377.56
3	Black	Win	Maruyama Yasushi	2231.52
17 Kanto Renju Emperor Tournament 1st round
Date	2015-11-23		Rating	2334.44
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2060.38
2	Black	Win	Iwano Fumio	2194.59
3	White	Loss	Okabe Hiroshi	2646.26
4	Black	Loss	Koyama Jun	2560.50
ex2	Black	Win	Iwano Fumio	2194.59
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2333.87
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2560.64
2	Black	Win	Hashimoto Takuya	1969.29
3	White	Loss	Tamada Yoichi	2499.41
4	Black	Loss	Maruta Hiroki	2060.42
47 Kyoto Classified Tournament
Date	2015-11-08		Rating	2334.00
Round	Color	Result	Opponent
S1	Black	Loss	Hasegawa Kazuto	2585.92
S2	Black	Win	Mano Yoshihisa	2293.07
S3	White	Draw	Kashihara Akihiko	2276.19
S4	Black	Loss	Epifanov Dmitry	2634.76
S5	Black	Win	Tachi Masaya	2411.65
53 Meijinsen Tournament
Date	2015-09-22		Rating	2332.66
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2648.24
2	White	Loss	Matsuura Hiroshi	2333.60
3	Black	Loss	Koyama Jun	2556.26
4	Black	Loss	Hasegawa Kazuto	2589.48
5	Black	Loss	Nakayama Tomoharu	2690.18
6	Black	Draw	Iio Yoshihiro	2462.09
7	Black	Loss	Oosumi Yuuki	2702.13
8	White	Loss	Tamada Yoichi	2504.16
9	Black	Draw	Kawamura Norihiko	2553.84
World Championship BT
Date	2015-08-12		Rating	2334.75
Round	Color	Result	Opponent
2	White	Loss	Berezin Roman	2430.21
3	Black	Loss	Volkov Sergey	2381.56
4	Black	Draw	Fedoseyev Arseniy	2079.66
5	Black	Win	Stoyanov Kirill	2030.59
6	White	Loss	Koyama Jun	2553.59
7	Black	Win	Khramov Andrey	2197.45
8	Black	Draw	Sirategyan Karen	2361.13
9	White	Win	Lavrik-Karmazin Maksim	2215.57
World Championship QT
Date	2015-08-05		Rating	2335.37
Round	Color	Result	Opponent
1	Black	Win	Khramov Andrey	2197.05
2	White	Loss	Kamiya Shunsuke	2626.30
3	Black	Win	Jonsson Peter	2312.22
4	Black	Loss	Epifanov Dmitry	2629.35
5	Black	Loss	Mesila Villem	2492.46
6	White	Loss	Sun In	2372.03
7	White	Loss	Topkin Georg-Romet	2264.51
Kanto Championship
Date	2015-07-20		Rating	2337.82
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2009.03
2	Black	Loss	Okabe Hiroshi	2654.88
3	Black	Loss	Iwano Fumio	2195.73
4	Black	Win	Maruta Hiroki	2047.66
5	Black	Loss	Zhao Jiadong	2073.73
6	Black	Win	Tanizaki Ryusuke	2138.05
53 Meijinsen Qualification Tokai area 2nd round
Date	2015-06-21		Rating	2344.69
Round	Color	Result	Opponent
1	White	Win	Mano Yoshihisa	2291.09
2	White	Win	Maruyama Yasushi	2228.67
3	Black	Draw	Fujita Yudai	2339.96
53 Meijinsen Qualification Tokai area 1st round
Date	2015-05-17		Rating	2351.00
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1936.39
2	Black	Draw	Mano Yoshihisa	2289.51
3	Black	Win	Maruyama Yasushi	2229.58
4	Black	Win	Fujita Yudai	2330.08
7th Tohoku Championship
Date	2015-04-12		Rating	2355.25
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	1953.34
2	White	Loss	Kobayashi Koichi	2225.92
3	White	Win	Gakumazawa Hideaki	2128.60
4	Black	Loss	Okabe Hiroshi	2662.65
5	Black	Win	Miura Hitoshi	1753.10
10th All Japan Championship
Date	2015-03-29		Rating	2357.46
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2028.38
2	White	Draw	Nakamura Souta	2217.65
3	White	Win	Kudomi Takahiro	2210.51
4	White	Loss	Tachi Masaya	2415.72
5	White	Win	Koyama Jun	2534.17
6	Black	Draw	Nakayama Tomoharu	2667.92
40 Tokai Championship final match
Date	2015-02-15		Rating	2361.23
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2229.87
2	White	Win	Maruyama Yasushi	2229.87
15 Kanto Renju Emperor Tournament 2nd round
Date	2015-01-25		Rating	2362.12
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2587.04
2	Black	Loss	Okabe Hiroshi	2665.39
3	Black	Loss	Nakamura Shigeru	2827.57
4	Black	Loss	Ono Takayuki	2284.82
5	Black	Win	Nakamura Souta	2202.58
40 Tokai Championship 2nd round
Date	2014-12-21		Rating	2365.56
Round	Color	Result	Opponent
1	Black	Win	Tatematsu Hikaru	2148.84
2	White	Loss	Maruyama Yasushi	2232.71
3	White	Win	Yamamoto Yasuhiro	2078.18
40 Tokai Championship 1st round
Date	2014-11-16		Rating	2369.78
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1918.69
2	White	Win	Tatematsu Hikaru	2148.27
3	Black	Win	Yamamoto Yasuhiro	2079.42
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2370.39
Round	Color	Result	Opponent
S1	White	Loss	Sakamoto Hirouji	2230.63
S2	White	Win	Hata Masayuki	2141.60
S3	White	Loss	Kawamura Norihiko	2580.46
S4	Black	Win	Miyagawa Junzo	2165.22
S5	Black	Win	Matsuo Toshiko	1862.00
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2372.05
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2030.30
2	White	Loss	Fukui Nobuhiro	2540.66
3	Black	Win	Nakamura Souta	2173.09
4	Black	Win	Iwano Fumio	2194.63
1st Senior Masters Championship
Date	2014-08-29		Rating	2377.42
Round	Color	Result	Opponent
1	Black	Win	Miura Hitoshi	1761.98
2	White	Win	Mitsumori Masao	2273.58
3	White	Win	Miyagawa Junzo	2157.29
4	White	Draw	Isobe Taizan	2361.05
5	Black	Win	Kubo Izumi	2030.44
6	White	Win	Kato Yasuhiro	2034.28
7	White	Win	Kobayashi Koichi	2192.41
8S	White	Draw	Isobe Taizan	2361.05
52 Meijinsen Qualification Tokai area 2nd round
Date	2014-05-18		Rating	2378.91
Round	Color	Result	Opponent
1	White	Win	Fujita Yudai	2287.45
2	White	Loss	Fukui Nobuhiro	2546.43
3	White	Draw	Mano Yoshihisa	2258.04
31th Kanto Championship
Date	2014-05-11		Rating	2379.05
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2067.28
2	Black	Win	Ono Takayuki	2312.28
3	White	Loss	Nakamura Shigeru	2811.93
4	White	Win	Kobayashi Koichi	2183.72
5	White	Win	Iwano Fumio	2193.51
Team World Championship
Date	2014-05-03		Rating	2378.63
Round	Color	Result	Opponent
1	White	Win	Tada Ayako	2248.58
2	Black	Loss	Lents Johann	2532.59
4	White	Loss	Yang Yu-Hsiung	2439.52
6	White	Win	Tamura Kazumasa	2452.99
8	White	Loss	Chen Wei-Han	2381.26
9	Black	Win	Lin Shih-Pin	2453.10
52 Meijinsen Qualification Tokai area 1st round
Date	2014-04-20		Rating	2377.63
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1907.05
2	White	Win	Mano Yoshihisa	2256.58
3	White	Loss	Fukui Nobuhiro	2544.93
4	Black	Win	Maruyama Yasushi	2229.55
9th All Japan Championship
Date	2014-01-26		Rating	2368.58
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2681.38
2	Black	Win	Miyagawa Junzo	2143.41
3	Black	Win	Kim Chang-Su	2021.04
4	White	Loss	Ono Takayuki	2311.07
5	White	Win	Kon Akira	1934.46
6	White	Win	Mano Yoshihisa	2252.28
14th Mikami Cup S-class
Date	2014-01-19		Rating	2367.81
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2310.81
2	White	Loss	Nakayama Tomoharu	2603.43
2	Black	Draw	Okabe Hiroshi	2681.25
3	White	Win	Sato Kiyotomi	2393.98
4	White	Loss	Nakamura Shigeru	2815.09
5	White	Win	Isobe Taizan	2339.03
39 Tokai Championship 2nd round
Date	2013-12-15		Rating	2360.08
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2252.91
2	Black	Win	Yamamoto Yasuhiro	2097.56
3	White	Loss	Maruyama Yasushi	2229.06
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2355.34
Round	Color	Result	Opponent
S1	Black	Loss	Okabe Hiroshi	2679.65
S2	White	Win	Sandstrom Richard	2312.04
S3	Black	Win	Kawano Takahisa	2305.67
S4	White	Loss	Oosumi Yuuki	2757.77
S5	Black	Loss	Iio Yoshihiro	2457.20
World Championship BT
Date	2013-08-09		Rating	2340.78
Round	Color	Result	Opponent
1	Black	Win	Mesila Villem	2381.63
2	White	Win	Filinov Vladimir	2485.22
3	White	Loss	Poltaratsky Nikolay	2451.37
4	Black	Win	Kostlivy Radim	1945.76
5	White	Win	Sandstrom Richard	2315.92
6	White	Win	Kolk Kuno	2176.01
7	Black	Loss	Potapov Alexey	2548.54
8	White	Win	Andersson Tord	2382.93
9	White	Win	Fedorkin Oleg	2603.52
World Championship QT
Date	2013-08-05		Rating	2339.29
Round	Color	Result	Opponent
1	White	Loss	Pajuste Renee	2543.29
2	Black	Draw	Jonsson Peter	2319.22
3	White	Loss	Miyagawa Junzo	2157.19
4	White	Loss	Hõbemägi Martin	2513.24
5	White	Loss	Sandstrom Richard	2316.23
6	Black	Loss	Andersson Tord	2382.45
7	White	Loss	Lents Johann	2513.07
29th Kanto Championship
Date	2013-05-12		Rating	2323.59
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2103.41
2	White	Win	Maruta Hiroki	2081.50
3	White	Loss	Okabe Hiroshi	2667.31
4	White	Loss	Kamiya Shunsuke	2475.69
5	White	Win	Sato Kiyotomi	2380.45
51 Meijinsen Qualification Tokai area 1st round
Date	2013-04-21		Rating	2318.81
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2241.70
2	Black	Loss	Yamamoto Yasuhiro	2120.66
3	Black	Draw	Suzuki Junichiro	1883.15
4	White	Win	Saito Syuichi	2000.36
5th Tohoku Championship
Date	2013-04-14		Rating	2318.07
Round	Color	Result	Opponent
1	White	Win	Miura Hitoshi	1786.88
2	Black	Win	Kusajima Masato	2157.45
3	Black	Draw	Maruta Hiroki	2083.00
4	White	Loss	Kudomi Takahiro	2342.15
5	Black	Loss	Nakamura Shigeru	2794.56
8th All Japan Championship
Date	2013-03-24		Rating	2316.63
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2075.52
2	Black	Loss	Iio Yoshihiro	2421.39
3	White	Win	Iwano Fumio	2128.79
4	White	Win	Sato Kiyotomi	2370.85
5	White	Loss	Oosumi Yuuki	2759.60
6	Black	Loss	Isobe Taizan	2342.14
38 Tokai Championship final match
Date	2013-02-17		Rating	2313.86
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2231.82
2	White	Win	Mano Yoshihisa	2231.82
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2310.05
Round	Color	Result	Opponent
S1	White	Win	Ono Takayuki	2346.07
S2	Black	Loss	Okabe Hiroshi	2649.00
S3	White	Draw	Fukui Nobuhiro	2491.40
S4	Black	Loss	Mitsumori Masao	2281.97
S5	White	Loss	Isobe Taizan	2344.51
13 Kanto Renju Emperor Tournament 2nd round
Date	2013-01-13		Rating	2309.27
Round	Color	Result	Opponent
1	Black	Loss	Fukui Nobuhiro	2490.49
2	Black	Draw	Isobe Taizan	2344.70
3	Black	Loss	Nakamura Shigeru	2803.02
4	Black	Loss	Okabe Hiroshi	2648.19
5	Black	Loss	Kudomi Takahiro	2346.87
38 Tokai Championship 2nd round
Date	2012-11-18		Rating	2306.47
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2200.57
2	Black	Loss	Mano Yoshihisa	2222.72
3	White	Win	Saito Syuichi	2004.53
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2306.45
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2643.64
S2	Black	Win	Hata Masayuki	2172.08
S3	Black	Loss	Hasegawa Kazuto	2525.64
S4	Black	Win	Iio Yoshihiro	2410.29
S5	Black	Win	Kudomi Takahiro	2347.05
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2304.53
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2064.08
2	White	Draw	Tomobe Katsuhiro	2129.77
3	White	Loss	Suzuki Rin	1973.81
4	Black	Win	Maruta Koji	2088.48
29th Kanto Championship
Date	2012-05-13		Rating	2309.93
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2041.22
2	Black	Win	Sato Kiyotomi	2336.13
3	Black	Loss	Nakamura Shigeru	2805.08
4	Black	Loss	Kudomi Takahiro	2352.64
5	White	Win	Matsuoka Teruo	1974.77
50 Meijinsen Qualification Tokai area 1st round
Date	2012-04-15		Rating	2310.15
Round	Color	Result	Opponent
1	White	Loss	Mano Yoshihisa	2192.34
2	Black	Loss	Miyoshi Takeo	2111.52
4	White	Win	Yamamoto Yasuhiro	2100.96
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2313.52
Round	Color	Result	Opponent
S1	Black	Win	Tadokoro Hosai	1843.64
S2	White	Loss	Nakamura Shigeru	2799.91
S3	White	Loss	Isobe Taizan	2354.80
S4	Black	Loss	Oosumi Yuuki	2715.83
S5	White	Win	Mitsumori Masao	2302.44
37 Tokai Championship final match
Date	2012-02-19		Rating	2315.61
Round	Color	Result	Opponent
1	White	Loss	Maruyama Yasushi	2193.53
2	White	Win	Maruyama Yasushi	2193.53
3	Black	Win	Maruyama Yasushi	2193.53
7th All Japan Championship
Date	2012-01-29		Rating	2317.70
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2057.58
2	Black	Loss	Nakamura Shigeru	2798.03
3	White	Win	Kubo Izumi	2034.71
4	Black	Loss	Mitsumori Masao	2305.10
5	White	Draw	Nakayama Tomoharu	2532.00
6	Black	Loss	Kamiya Shunsuke	2411.10
37 Tokai Championship 2nd round
Date	2011-11-20		Rating	2326.39
Round	Color	Result	Opponent
1	White	Win	Mano Yoshihisa	2190.28
2	Black	Win	Maruyama Yasushi	2190.22
3	Black	Win	Yamamoto Yasuhiro	2094.58
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2326.82
Round	Color	Result	Opponent
S1	White	Win	Mano Yoshihisa	2190.41
S2	White	Win	Hata Masayuki	2164.64
S3	White	Loss	Oosumi Yuuki	2699.27
S4	Black	Win	Sakamoto Hirouji	2273.75
S5	Black	Loss	Okabe Hiroshi	2632.32
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2326.93
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1942.78
2	Black	Loss	Oosumi Yuuki	2695.42
3	White	Win	Tada Ayako	2205.79
4	White	Loss	Okabe Hiroshi	2631.68
28th Kanto Championship
Date	2011-05-22		Rating	2325.69
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1944.05
2	Black	Loss	Fukui Nobuhiro	2360.77
3	Black	Win	Iwano Fumio	2086.51
4	White	Win	Kudomi Takahiro	2335.11
5	Black	Win	Yamaguchi Yusui	2546.97
49 Meijinsen Qualification Tokai area 2nd round
Date	2011-05-15		Rating	2325.03
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2096.59
2	Black	Win	Mano Yoshihisa	2215.33
3	White	Loss	Maruyama Yasushi	2183.73
49 Meijinsen Qualification Tokai area 1st round
Date	2011-04-17		Rating	2324.78
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1892.60
2	Black	Win	Mano Yoshihisa	2219.47
3	Black	Win	Maruyama Yasushi	2182.57
4	Black	Win	Miyoshi Takeo	2093.04
6th All Japan Championship
Date	2011-03-27		Rating	2323.12
Round	Color	Result	Opponent
1	White	Loss	Kon Akira	1954.82
2	White	Loss	Kamiya Shunsuke	2376.85
3	Black	Loss	Kawano Takahisa	2288.61
4	White	Win	Miyagawa Sou	2052.62
5	White	Win	Miyoshi Takeo	2090.08
6	White	Draw	Mano Yoshihisa	2222.40
3rd Tohoku Championship
Date	2011-02-27		Rating	2324.29
Round	Color	Result	Opponent
1	Black	Win	Hirono Masakazu	1967.81
2	White	Win	Fukui Nobuhiro	2327.55
3	White	Loss	Tamada Yoichi	2434.62
4	White	Win	Kobayashi Koichi	2095.93
5	Black	Win	Miyagawa Sou	2054.41
36 Tokai Championship final match
Date	2011-02-20		Rating	2324.24
Round	Color	Result	Opponent
1	White	Draw	Mano Yoshihisa	2228.06
2	Black	Win	Mano Yoshihisa	2228.06
3	White	Win	Mano Yoshihisa	2228.06
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2323.16
Round	Color	Result	Opponent
S1	White	Draw	Nakamura Shigeru	2773.73
S2	Black	Loss	Isobe Taizan	2344.40
S4	White	Win	Gakumazawa Hideaki	2037.36
S5	Black	Loss	Oosumi Yuuki	2660.08
36 Tokai Championship 2nd round
Date	2010-11-21		Rating	2319.59
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2246.81
2	White	Win	Yamamoto Yasuhiro	2084.46
3	Black	Win	Miyoshi Takeo	2081.83
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2318.82
Round	Color	Result	Opponent
1	White	Win	Matsuoka Teruo	1955.63
2	White	Loss	Nakayama Tomoharu	2461.01
4	White	Loss	Fukui Nobuhiro	2287.36
48th Meijinsen Tournament
Date	2010-09-20		Rating	2319.58
Round	Color	Result	Opponent
1	Black	Loss	Oosumi Yuuki	2631.01
2	Black	Win	Yamaguchi Yusui	2513.08
3	Black	Win	Kawano Takahisa	2266.33
4	White	Loss	Sakamoto Hirouji	2260.27
5	Black	Draw	Matsuura Hiroshi	2286.79
6	Black	Loss	Iio Yoshihiro	2447.28
7	White	Loss	Okabe Hiroshi	2612.79
8	White	Loss	Tamada Yoichi	2419.67
9	White	Win	Koiso Shigemasa	2103.19
27th Kanto Championship
Date	2010-05-23		Rating	2323.72
Round	Color	Result	Opponent
1	White	Win	Fukui Nobuhiro	2256.33
2	Black	Loss	Kawamura Norihiko	2536.48
3	White	Win	Nagao Noriaki	2349.91
4	White	Loss	Okabe Hiroshi	2615.02
5	White	Loss	Tomobe Katsuhiro	2151.90
Meijinsen Qualification Tokai area 2nd round
Date	2010-05-16		Rating	2324.05
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2257.18
2	White	Draw	Yamamoto Yasuhiro	2096.41
3	Black	Win	Suzuki Junichiro	1876.00
Team World Championship
Date	2010-05-05		Rating	2324.42
Round	Color	Result	Opponent
3	White	Win	Sumarokov Evgeny	2471.24
5	White	Win	Timmermann Alvar	2166.10
8	White	Win	Yakovleva Alyona	1943.29
10	White	Loss	Artemyev Sergey	2540.99
48 Meijinsen Qualification Tokai area 1st round
Date	2010-04-18		Rating	2323.89
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1876.55
2	White	Win	Saito Syuichi	2014.59
3	White	Win	Mano Yoshihisa	2258.35
4	White	Draw	Maruyama Yasushi	2193.91
5th All Japan Championship
Date	2010-03-21		Rating	2322.11
Round	Color	Result	Opponent
1	White	Win	Kuramoto Hideharu	1889.41
2	White	Win	Kim Chang-Su	2014.14
3	Black	Win	Kawamura Norihiko	2534.61
4	White	Win	Oosumi Yuuki	2589.27
5	Black	Loss	Okabe Hiroshi	2611.89
6	Black	Loss	Yamaguchi Yusui	2500.67
2nd Tohoku Championship
Date	2010-03-14		Rating	2320.94
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2035.70
2	White	Win	Gakumazawa Hideaki	2027.36
3	White	Win	Hirono Masakazu	1967.49
4	Black	Win	Seiryu Masanori	1944.64
5	White	Win	Miyagawa Sou	2059.42
35 Tokai Championship final match
Date	2010-02-21		Rating	2317.87
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2196.33
2	Black	Win	Maruyama Yasushi	2196.33
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2313.76
Round	Color	Result	Opponent
S3	Black	Loss	Okabe Hiroshi	2603.52
35 Tokai Championship 2nd round
Date	2009-11-15		Rating	2299.62
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2102.94
2	Black	Draw	Maruyama Yasushi	2205.39
3	White	Draw	Yamamoto Yasuhiro	2108.15
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2298.40
Round	Color	Result	Opponent
S1	White	Win	Matsuo Toshiko	1938.95
S2	Black	Loss	Tamura Kazumasa	2436.61
S3	Black	Loss	Okumura Toyohiko	2291.43
S4	White	Loss	Sakamoto Hirouji	2226.46
S5	Black	Loss	Mano Yoshihisa	2259.64
35 Tokai Championship 1st round
Date	2009-10-18		Rating	2297.67
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1874.04
2	White	Win	Yamamoto Yasuhiro	2109.26
3	White	Loss	Mano Yoshihisa	2258.90
4	White	Win	Kamikubo Mineo	1903.88
47th Meijinsen tournament
Date	2009-09-22		Rating	2297.02
Round	Color	Result	Opponent
1	Black	Loss	Kataoka Mitsuaki	2149.13
2	White	Loss	Matsuura Hiroshi	2252.21
3	White	Loss	Okabe Hiroshi	2585.22
4	White	Draw	Oosumi Yuuki	2571.05
5	White	Win	Sakamoto Hirouji	2220.62
6	Black	Draw	Iio Yoshihiro	2433.43
7	White	Loss	Yamaguchi Yusui	2486.78
8	White	Draw	Tamura Kazumasa	2432.89
9	White	Loss	Kawamura Norihiko	2557.16
World Championship BT
Date	2009-08-13		Rating	2298.29
Round	Color	Result	Opponent
1	White	Loss	Pajuste Renee	2344.07
2	White	Win	Nikonov Konstantin	2515.66
3	White	Loss	Nowak Pawel	2339.61
4	Black	Loss	Golosov Viktor	2359.71
5	White	Win	Rejsek Jan	2133.53
6	White	Win	Yu Tien-Lung	2099.97
7	White	Draw	Nikonova Natalya	2275.14
8	White	Win	Tamura Kazumasa	2429.30
9	White	Loss	Lin Huang-Yu	2539.59
World Championship QT
Date	2009-08-05		Rating	2298.27
Round	Color	Result	Opponent
1	White	Loss	Nykl Ondrej	2407.82
2	White	Loss	Tarannikov Yuriy	2650.07
3	Black	Win	Andersson Tord	2324.15
4	White	Loss	Laube Pavel	2380.18
5	Black	Loss	Savrasova Yulia	2572.37
7	Black	Draw	Hu Xi	2322.30
47th Meijinsen Qualification Tokai area 2nd round
Date	2009-05-17		Rating	2300.76
Round	Color	Result	Opponent
1	Black	Win	Kawasaki Nobuhiko	2118.91
2	Black	Win	Yamamoto Yasuhiro	2110.86
3	Black	Win	Miyoshi Takeo	2131.97
47th Meijinsen Qualification Tokai area 1st round
Date	2009-04-19		Rating	2299.99
Round	Color	Result	Opponent
1	Black	Win	Miyazu Goichi	1737.65
2	Black	Win	Maruyama Yasushi	2198.35
3	Black	Draw	Miyoshi Takeo	2136.93
4	White	Win	Yamamoto Yasuhiro	2109.86
4th All Japan Championship
Date	2009-03-21		Rating	2298.28
Round	Color	Result	Opponent
1	Black	Win	Hara Masao	1946.86
2	Black	Win	Okabe Hiroshi	2570.87
3	Black	Loss	Mitsumori Masao	2284.13
4	White	Loss	Tamada Yoichi	2264.99
5	White	Win	Iwano Fumio	2145.96
6	Black	Draw	Iio Yoshihiro	2414.36
1st Tohoku Championship
Date	2009-02-22		Rating	2296.03
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2044.76
2	White	Loss	Sato Kiyotomi	2331.19
3	White	Win	Gakumazawa Hideaki	2004.83
4	Black	Win	Tanno Yoshitaka	2051.22
5	Black	Loss	Hirono Masakazu	1963.71
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2295.12
Round	Color	Result	Opponent
S4	White	Win	Tamura Kazumasa	2416.92
46th Meijinsen Tournament
Date	2008-09-15		Rating	2285.69
Round	Color	Result	Opponent
1	White	Loss	Hata Masayuki	2190.98
2	Black	Loss	Kawamura Norihiko	2569.67
3	Black	Loss	Sato Kiyotomi	2312.69
4	White	Loss	Okabe Hiroshi	2574.55
5	White	Draw	Matsuura Hiroshi	2210.34
6	Black	Draw	Oosumi Yuuki	2516.66
7	Black	Win	Kataoka Mitsuaki	2118.84
8	White	Draw	Iio Yoshihiro	2427.35
9	Black	Loss	Yamaguchi Yusui	2485.38
Team World Championship
Date	2008-05-02		Rating	2285.56
Round	Color	Result	Opponent
1	White	Win	Kolouchova Monika	2264.61
2	White	Loss	Salnikov Pavel	2444.95
3	White	Loss	Wu Di	2616.99
4	White	Win	Carlsson Martin	2287.43
5	White	Draw	Kadulin Alexander	2482.62
7	White	Draw	Oll Aivo	2629.99
8	White	Win	Ikonen Jussi	2197.75
9	White	Loss	Kolesnik Vladimir	2139.43
8th Kanto Renju Emperor Tournament 2nd round
Date	2007-12-16		Rating	2276.52
Round	Color	Result	Opponent
1	White	Win	Okabe Hiroshi	2536.68
2	White	Loss	Ono Takayuki	2315.10
3	Black	Win	Isobe Taizan	2328.74
4	Black	Loss	Nakamura Shigeru	2737.98
5	White	Loss	Kurata Kiyotaka	2141.14
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2272.04
Round	Color	Result	Opponent
2	Black	Win	Watanabe Tatsuya	2051.15
4	Black	Win	Kurata Kiyotaka	2140.97
World Championship BT
Date	2007-08-15		Rating	2263.99
Round	Color	Result	Opponent
1	White	Win	Skuridin Alexey	2344.92
2	White	Loss	Lu Wei-Yuan	2373.34
3	Black	Loss	Qiu Yunfei	2406.03
4	White	Win	Andersson Tord	2271.61
5	White	Win	Pushkaryov Dmitry	2040.05
7	Black	Loss	Sorokina Oksana	2364.64
8	White	Loss	Ikonen Jussi	2193.93
9	White	Loss	Oosumi Yuuki	2456.60
World Championship QT
Date	2007-08-08		Rating	2263.42
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2445.08
2	White	Loss	Karasyov Maxim	2415.06
3	White	Loss	Li Shih-Wen	2264.87
4	White	Win	Ikonen Jussi	2193.18
5	White	Loss	Eriksson Bjorn	2259.85
6	White	Win	Eged Igor	2206.07
7	White	Win	Lillemets Rauni	2035.04
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2257.68
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2045.39
2	Black	Draw	Sakamoto Hirouji	2202.21
5	Black	Win	Kato Yasuhiro	1880.65
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2246.25
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2189.09
2	White	Loss	Yamaguchi Yusui	2517.82
3	Black	Loss	Sato Kiyotomi	2283.32
4	Black	Draw	Nagao Noriaki	2232.19
5	White	Loss	Iio Yoshihiro	2430.72
6	Black	Loss	Kawamura Norihiko	2572.76
7	Black	Loss	Okabe Hiroshi	2485.70
8	White	Win	Fujii Naoki	1980.50
9	White	Loss	Oosumi Yuuki	2358.58
Asian Championship
Date	2006-08-15		Rating	2246.65
Round	Color	Result	Opponent
1	Black	Loss	Park Jeong Ho	2315.24
2	Black	Loss	Kubo Izumi	2050.59
3	White	Win	Kang Bo-Ra	1722.71
4	White	Win	Mitsumori Masao	2166.55
5	White	Win	Chang Jae-Won	2031.68
6	White	Win	Park Eol	2197.40
7	White	Loss	Iio Yoshihiro	2430.52
8	White	Loss	Lee Jo-Sub	2289.83
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2269.35
Round	Color	Result	Opponent
1	White	Loss	Matsuura Hiroshi	2213.74
2	Black	Draw	Oosumi Yuuki	2307.51
3	White	Draw	Okabe Hiroshi	2471.17
4	White	Win	Kawate Kozo	1968.75
5	Black	Win	Takashima Junya	2366.26
6	White	Loss	Hasegawa Kazuto	2616.54
7	White	Win	Tanaka Koichi	2120.27
8	Black	Loss	Yamaguchi Yusui	2473.70
9	White	Loss	Sato Kiyotomi	2242.36
World Championship BT
Date	2005-08-05		Rating	2272.69
Round	Color	Result	Opponent
3	White	Win	Balabhai Viktor	2287.64
World Championship QT
Date	2005-07-31		Rating	2272.87
Round	Color	Result	Opponent
1	Black	Draw	Ilu Timo	2421.52
2	Black	Loss	Karlsson Stefan	2457.29
3	White	Win	Poghosyan Albert	2284.35
4	Black	Loss	Oll Aivo	2503.94
5	White	Win	Nowakowski Maciej	2336.62
6	White	Loss	Chen Ko-Han	2388.97
7	White	Win	Wang Chih-Kung	2136.92
The 42nd Meijin-sen Tournament
Date	2004-09-20		Rating	2264.97
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2577.13
2	White	Loss	Saito Koji	2079.06
3	White	Loss	Matsuura Hiroshi	2250.13
4	Black	Win	Iio Yoshihiro	2375.38
5	White	Win	Takagawa Teiji	2239.64
6	Black	Draw	Okabe Hiroshi	2425.56
7	White	Loss	Kawamura Norihiko	2596.71
8	Black	Loss	Sakamoto Hirouji	2152.02
9	White	Win	Sakashita Shoichi	2119.40
Team World Championship
Date	2004-05-05		Rating	2267.23
Round	Color	Result	Opponent
1	Black	Loss	Andersson Tord	2261.77
3	Black	Draw	Soosõrv Ants	2515.77
4	White	Win	Petrov Boris	2050.23
7	White	Loss	Artemyev Sergey	2454.08
8	White	Win	Karasyov Maxim	2393.10
9	White	Loss	Chingin Konstantin	2626.54
41st Meijin-sen Tournament
Date	2003-09-15		Rating	2265.37
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2539.57
2	Black	Win	Kudomi Takahiro	2286.96
3	Black	Loss	Okabe Hiroshi	2402.07
4	Black	Win	Miyagawa Junzo	2088.23
5	Black	Win	Isobe Taizan	2215.94
6	White	Loss	Matsuura Hiroshi	2256.54
7	Black	Loss	Iio Yoshihiro	2388.95
8	White	Draw	Takashima Junya	2204.19
9	Black	Draw	Kuga Akio	2268.41
World Championship BT
Date	2003-08-08		Rating	2265.58
Round	Color	Result	Opponent
1	Black	Draw	Purk Andry	2244.38
2	White	Draw	Rybka Ales	2152.86
3	White	Draw	Chernov Sergey	2243.78
4	White	Win	Tamura Kazumasa	2325.36
5	White	Loss	Kubo Izumi	2094.52
6	White	Win	Smirnov Dmitry	2031.66
7	Black	Win	Mitsumori Masao	2243.18
8	White	Win	Chang Yi-Feng	2302.16
9	White	Loss	Tarannikov Yuriy	2486.39
World Championship QT
Date	2003-07-31		Rating	2265.24
Round	Color	Result	Opponent
1	Black	Win	Pelikan Alan	1813.36
2	Black	Loss	Makarov Pavel	2399.99
3	White	Win	Lu Wei-Yuan	2158.51
4	White	Win	Chen Ko-Han	2335.19
5	Black	Loss	Iio Yoshihiro	2386.98
6	White	Loss	Pellikka Marko	2187.17
7	Black	Loss	Gardstrom Petter	2333.13
40th Meijin-sen Tournament
Date	2002-09-16		Rating	2266.95
Round	Color	Result	Opponent
1	Black	Win	Nishimura Toshio	2225.58
2	White	Win	Iio Yoshihiro	2329.95
3	Black	Draw	Takagawa Teiji	2251.15
4	White	Loss	Okabe Hiroshi	2345.44
5	White	Draw	Matsuura Hiroshi	2197.13
6	White	Loss	Isobe Taizan	2228.90
7	Black	Draw	Yamaguchi Yusui	2490.87
8	White	Loss	Hasegawa Kazuto	2522.72
9	Black	Loss	Kudomi Takahiro	2297.25
World Championship AT
Date	2001-08-12		Rating	2280.83
Round	Color	Result	Opponent
1	White	Loss	Meritee Ando	2746.84
2	White	Loss	Nara Hideki	2466.12
3	White	Win	Kim Byoung-Jun	2370.70
4	White	Draw	Soosõrv Ants	2449.14
5	Black	Draw	Gardstrom Petter	2399.48
6	Black	Loss	Sinyov Igor	2534.41
7	Black	Win	Gaulitz Joachim	2273.56
8	White	Loss	Karlsson Stefan	2423.70
9	White	Win	Lin Sheng-Min	2141.21
10	Black	Loss	Nikonov Konstantin	2401.24
11	Black	Draw	Sushkov Vladimir	2570.35
World Championship BT
Date	1993-08-12		Rating	2163.45
Round	Color	Result	Opponent
	White	Win	Matyuk Valeri	2113.34
	White	Draw	Fedorkin Oleg	2168.19
	White	Loss	Veidemanis Arnis	2317.23
	Black	Draw	Milevsky Alexander	2206.22
	White	Win	Johannesson Rickard	2067.15
	White	Loss	Chernov Sergey	2184.28