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