Ishitani Shin-ichi (石谷信一)

Place: Fuji, Japan

Rating: 2381.37, Std: 61.92, Rank: 229

First game: 1993-08-12, Last game: 2025-05-05

Top rating: 2455.31 (2014-05-11)

Games: 1146, Wins: 583, Draws: 133, Losses: 430

Gy1: 70, Gy2: 118, Gy5: 243

42nd Kanto Championship
Date	2025-05-05		Rating	2381.37
Round	Color	Result	Opponent
1	Black	Win	Kasahara Reiko	1809.33
2	Black	Loss	Tachi Masaya	2525.30
3	Black	Win	Yoshikawa Tomoki	2294.10
4	White	Win	Miyamoto Syunju	2300.19
5	Black	Loss	Okabe Hiroshi	2725.12
6	White	Loss	Matsuda Shoma	2565.21
19th All Japan Championship
Date	2025-04-20		Rating	2381.18
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2837.20
2	Black	Win	Maruta Koji	2173.13
3	Black	Loss	Yoshikawa Tomoki	2292.38
4	Black	Loss	Tanaka Shotaro	2318.55
5	Black	Draw	Kawaai Hitoshi	2061.86
6	Black	Win	Suzuki Yoshitaka	1942.31
4th Masters Renju Tournament
Date	2025-03-23		Rating	2384.98
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2208.94
2	White	Win	Miyamoto Syunju	2300.70
3	Black	Draw	Kuga Akio	2381.76
4	Black	Win	Mano Yoshihisa	2285.16
5	Black	Win	Maruta Koji	2174.36
16th Tohoku Championship
Date	2025-03-09		Rating	2384.97
Round	Color	Result	Opponent
1	Black	Loss	Shimura Hiroki	2202.67
2	Black	Win	Gakumazawa Hideaki	2094.10
3	White	Loss	Miyamoto Syunju	2302.09
5	White	Win	Fujita Maiko	2439.82
50 Tokai Championship final match
Date	2025-02-16		Rating	2386.40
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2286.61
2	White	Loss	Mano Yoshihisa	2286.61
3	Black	Win	Mano Yoshihisa	2286.61
28th New Year (Mikami) Cup
Date	2025-01-19		Rating	2388.06
Round	Color	Result	Opponent
S1	White	Loss	Tanaka Shotaro	2323.77
S2	Black	Draw	Matsuda Shoma	2531.60
S3	Black	Win	Kawaai Hitoshi	2058.62
S4	White	Loss	Okabe Hiroshi	2721.45
50 Tokai Championship 2nd round
Date	2024-12-15		Rating	2391.66
Round	Color	Result	Opponent
1	Black	Draw	Shimura Hiroki	2185.15
2	Black	Loss	Mano Yoshihisa	2289.79
3	Black	Win	Maruyama Yasushi	2221.10
56 Kyoto Classified Tournament
Date	2024-11-23		Rating	2395.47
Round	Color	Result	Opponent
1	White	Loss	Yoshida Hisao	2210.95
2	White	Win	Hata Masayuki	2077.54
3	Black	Win	Horikawa Yasuto	1867.80
4	Black	Win	Tachi Masaya	2564.55
5	Black	Loss	Makino Mitsunori	2632.19
Kyushu Championship 2024
Date	2024-11-17		Rating	2396.54
Round	Color	Result	Opponent
1	Black	Win	Kawaai Hitoshi	2056.00
2	White	Loss	Kawano Takahisa	2509.55
3	Black	Win	Yamane Tomohiro	2042.75
4	White	Win	Kuga Akio	2381.63
50 Tokai Championship 1st round Hamamatsu area
Date	2024-11-10		Rating	2397.49
Round	Color	Result	Opponent
1	Black	Win	Fukada Ren	2085.61
2	Black	Win	Yamamoto Yasuhiro	2128.40
3	Black	Win	Shimura Hiroki	2178.63
4	White	Win	Takazawa Nagayoshi	2221.09
62nd Meijinsen Tournament
Date	2024-10-14		Rating	2398.75
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2574.52
2	Black	Win	Matsuda Shoma	2499.39
3	Black	Win	Yamane Tomohiro	2046.42
4	White	Draw	Kuga Akio	2382.23
5	Black	Loss	Kawano Takahisa	2509.72
6	White	Loss	Inoue Fumiya	2499.37
7	Black	Loss	Okabe Hiroshi	2732.21
8	White	Draw	Makino Mitsunori	2635.57
9	Black	Loss	Nakayama Tomoharu	2759.49
41st Kanto Championship
Date	2024-07-21		Rating	2404.43
Round	Color	Result	Opponent
1	Black	Loss	Yamamoto Ousuke	2078.26
2	White	Win	Yoshikawa Tomoki	2217.63
3	White	Win	Maruta Hiroki	2266.25
4	Black	Draw	Tanaka Shotaro	2310.61
5	White	Win	Inoue Fumiya	2491.35
6	Black	Draw	Okabe Hiroshi	2731.45
38 Aomori Championship
Date	2024-06-29		Rating	2404.54
Round	Color	Result	Opponent
2	White	Win	Gakumazawa Hideaki	2099.43
3	Black	Win	Kawaai Hitoshi	2029.18
4	Black	Loss	Tanno Yoshitaka	2042.94
5	White	Draw	Miyamoto Syunju	2340.56
62 Meijinsen Qualification Tokai area 2nd round
Date	2024-06-16		Rating	2405.66
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2139.13
2	Black	Win	Fukada Ren	2095.51
3	White	Win	Mano Yoshihisa	2258.63
62 Meijinsen Qualification Hamamatsu area 1st round
Date	2024-05-19		Rating	2406.13
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2136.45
2	White	Win	Takazawa Nagayoshi	2236.37
3	Black	Loss	Fukada Ren	2097.94
4	Black	Win	Kato Daisuke	1972.89
15th Tohoku Championship
Date	2024-03-31		Rating	2408.77
Round	Color	Result	Opponent
1	Black	Win	Gakumazawa Hideaki	2092.01
2	Black	Win	Kusajima Masato	2262.63
3	Black	Win	Kawaai Hitoshi	2028.05
4	Black	Win	Fujita Maiko	2406.58
5	Black	Loss	Miyamoto Syunju	2352.73
3rd Masters Renju Tournament
Date	2024-03-24		Rating	2408.79
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2130.08
2	White	Win	Takazawa Nagayoshi	2243.60
3	White	Win	Sakamoto Suzan	2193.76
4	Black	Win	Iwano Fumio	2239.51
5	Black	Win	Miyamoto Syunju	2351.62
49 Tokai Championship final match
Date	2024-02-18		Rating	2403.59
Round	Color	Result	Opponent
1	Black	Loss	Makino Mitsunori	2631.11
2	Black	Loss	Makino Mitsunori	2631.11
18th All Japan Championship
Date	2024-02-12		Rating	2402.98
Round	Color	Result	Opponent
1	Black	Win	Kawaai Hitoshi	2030.04
2	Black	Loss	Fukui Nobuhiro	2444.75
3	Black	Loss	Maruta Koji	2183.86
4	Black	Win	Sakamoto Suzan	2193.60
5	White	Loss	Okabe Hiroshi	2715.53
6	Black	Loss	Maruta Hiroki	2254.52
27th New Year (Mikami) Cup
Date	2024-01-14		Rating	2405.60
Round	Color	Result	Opponent
S1	White	Win	Matsuda Shoma	2424.82
S2	White	Win	Tanaka Shotaro	2307.13
S3	White	Loss	Okabe Hiroshi	2716.71
S4	White	Win	Ono Takayuki	2420.15
S5	Black	Win	Fujita Maiko	2406.61
49 Tokai Championship 2nd round
Date	2023-12-17		Rating	2402.64
Round	Color	Result	Opponent
1	Black	Loss	Makino Mitsunori	2628.21
2	White	Win	Suzuki Masateru	2048.71
3	White	Win	Takazawa Nagayoshi	2260.20
24 Kanto Renju Emperor Tournament Kanto area 1st round
Date	2023-11-19		Rating	2399.03
Round	Color	Result	Opponent
1	Black	Win	Suenaga Daiki	2122.62
2	White	Win	Fujita Maiko	2408.35
3	Black	Loss	Nakayama Tomoharu	2770.72
4	Black	Loss	Makino Mitsunori	2626.80
55 Kyoto Classified Tournament
Date	2023-11-11		Rating	2397.67
Round	Color	Result	Opponent
1	Black	Win	Hata Masayuki	2078.96
2	White	Win	Tanaka Shotaro	2302.94
3	Black	Loss	Tachi Masaya	2587.97
4	Black	Loss	Makino Mitsunori	2626.26
5	Black	Loss	Hasegawa Kazuto	2560.88
40th Kanto Championship
Date	2023-07-09		Rating	2379.79
Round	Color	Result	Opponent
1	White	Draw	Miyamoto Syunju	2302.03
2	White	Win	Tanaka Shotaro	2313.03
3	Black	Draw	Ono Takayuki	2425.43
4	White	Win	Makino Mitsunori	2615.66
5	Black	Loss	Inoue Fumiya	2521.30
6	White	Loss	Okabe Hiroshi	2703.84
61 Meijinsen Qualification Tokai area 2nd round
Date	2023-06-25		Rating	2376.68
Round	Color	Result	Opponent
1	Black	Loss	Takazawa Nagayoshi	2285.04
2	White	Loss	Maruyama Yasushi	2269.70
3	White	Win	Kato Daisuke	1981.89
61 Meijinsen Qualification Hamamatsu area 1st round
Date	2023-05-21		Rating	2373.50
Round	Color	Result	Opponent
1	Black	Win	Fukada Ren	2051.36
2	Black	Win	Maruyama Yasushi	2270.06
3	Black	Loss	Takazawa Nagayoshi	2288.14
4	White	Win	Kato Daisuke	1986.13
2nd Masters Renju Tournament
Date	2023-04-23		Rating	2371.06
Round	Color	Result	Opponent
1	Black	Loss	Miyamoto Syunju	2282.28
2	Black	Win	Iwano Fumio	2196.97
3	Black	Loss	Takazawa Nagayoshi	2288.90
4	Black	Draw	Hasegawa Kazuto	2585.93
5	White	Win	Yamamoto Yasuhiro	2149.52
6	Black	Win	Tomobe Katsuhiro	2084.57
17th All Japan Championship
Date	2023-03-19		Rating	2369.25
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Ousuke	2008.71
2	Black	Loss	Okabe Hiroshi	2693.26
3	White	Loss	Takazawa Nagayoshi	2282.59
4	Black	Loss	Maruta Hiroki	2198.26
5	Black	Win	Suzuki Yoshitaka	1981.86
6	Black	Win	Toyo Koryu	2204.16
48 Tokai Championship final match
Date	2023-02-19		Rating	2370.90
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2157.47
2	Black	Win	Yamamoto Yasuhiro	2157.47
26th New Year (Mikami) Cup
Date	2023-01-15		Rating	2371.20
Round	Color	Result	Opponent
S1	White	Loss	Inoue Fumiya	2526.91
S2	Black	Loss	Fujita Maiko	2419.61
S4	Black	Win	Okabe Hiroshi	2686.41
S5	Black	Win	Takazawa Nagayoshi	2266.28
48 Tokai Championship 2nd round
Date	2022-12-18		Rating	2369.91
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2180.02
2	Black	Win	Yamamoto Yasuhiro	2168.60
3	Black	Draw	Maruyama Yasushi	2263.58
48 Tokai Championship 1st round Hamamatsu area
Date	2022-11-20		Rating	2367.55
Round	Color	Result	Opponent
1	White	Win	Takazawa Nagayoshi	2251.81
2	Black	Win	Yamamoto Yasuhiro	2170.71
3	Black	Win	Maruyama Yasushi	2262.72
4	Black	Win	Kato Daisuke	1988.08
54 Kyoto Classified Tournament
Date	2022-11-12		Rating	2365.96
Round	Color	Result	Opponent
S1	Black	Win	Hata Masayuki	2098.71
S2	Black	Win	Sakamoto Suzan	2218.59
S3	Black	Loss	Makino Mitsunori	2623.42
S4	Black	Loss	Inoue Fumiya	2521.27
S5	Black	Loss	Hasegawa Kazuto	2610.71
23 Renju Emperor Tournament Kanto area 1st round
Date	2022-11-06		Rating	2364.89
Round	Color	Result	Opponent
1	White	Win	Tanaka Shotaro	2319.36
2	Black	Loss	Inoue Fumiya	2520.88
3	Black	Loss	Yokoyama Shota	2464.95
4	Black	Win	Shimura Hiroki	2154.36
60th Meijinsen Tournament
Date	2022-09-19		Rating	2356.29
Round	Color	Result	Opponent
1	White	Draw	Kawamoto Shoma	2316.81
2	Black	Loss	Hasegawa Kazuto	2612.21
3	White	Loss	Nagasoe Hiroki	2651.79
4	Black	Loss	Makino Mitsunori	2623.28
5	Black	Win	Miyamoto Syunju	2249.30
6	White	Loss	Kuga Akio	2394.00
7	Black	Loss	Nakayama Tomoharu	2799.05
8	Black	Loss	Okabe Hiroshi	2695.01
9	Black	Loss	Ono Takayuki	2418.18
39 Kanto Championship
Date	2022-07-31		Rating	2354.42
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Ousuke	1992.83
2	Black	Win	Kawaai Hitoshi	2064.98
3	Black	Win	Maruta Koji	2168.42
4	Black	Loss	Okabe Hiroshi	2695.97
5	Black	Loss	Ono Takayuki	2422.34
6	Black	Loss	Fujita Maiko	2416.40
60 Meijinsen Qualification Tokai area 2nd round
Date	2022-06-26		Rating	2354.72
Round	Color	Result	Opponent
1	Black	Loss	Maruyama Yasushi	2261.05
2	White	Win	Yamamoto Yasuhiro	2177.28
3	Black	Win	Oomura Shu	2362.48
ex	Black	Win	Oomura Shu	2362.48
60th Meijinsen Tournament Tokai area 1st round
Date	2022-05-15		Rating	2352.03
Round	Color	Result	Opponent
1	White	Win	Takazawa Nagayoshi	2221.40
2	White	Win	Yamamoto Yasuhiro	2178.70
3	Black	Win	Maruyama Yasushi	2262.19
4	White	Win	Kato Daisuke	1980.59
5	Black	Win	Fukada Ren	2048.35
47 Tokai Championship final match
Date	2022-03-20		Rating	2340.86
Round	Color	Result	Opponent
1	White	Loss	Oomura Shu	2370.25
2	Black	Loss	Oomura Shu	2370.25
47 Tokai Championship 2nd round
Date	2021-12-19		Rating	2331.97
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2271.85
2	Black	Loss	Oomura Shu	2365.51
3	Black	Draw	Yamamoto Yasuhiro	2188.26
13th Tohoku Championship
Date	2021-12-12		Rating	2331.47
Round	Color	Result	Opponent
1	Black	Loss	Fujita Maiko	2375.87
2	Black	Loss	Miyamoto Syunju	2242.27
3	Black	Win	Kawaai Hitoshi	2025.99
4	Black	Win	Kusajima Masato	2220.27
22 Renju Emperor Tournament Kanto area 1st round
Date	2021-11-21		Rating	2331.29
Round	Color	Result	Opponent
1	Black	Win	Tanizaki Ryusuke	2038.28
2	White	Win	Fujikawa Masaki	2156.17
3	White	Loss	Nagasoe Hiroki	2650.85
4	Black	Win	Tanaka Shotaro	2285.28
53 Kyoto Classified Tournament
Date	2021-11-13		Rating	2330.58
Round	Color	Result	Opponent
S1	Black	Loss	Maruta Hiroki	2259.72
S2	White	Loss	Hata Masayuki	2137.33
S3	Black	Win	Hayashi Shoichi	2153.37
S4	White	Win	Iio Yoshihiro	2389.51
S5	Black	Loss	Kawamura Norihiko	2599.99
38 Kanto Championship
Date	2021-08-08		Rating	2329.31
Round	Color	Result	Opponent
1	White	Win	Shimura Hiroki	2061.20
2	Black	Loss	Okabe Hiroshi	2701.27
3	Black	Loss	Maruta Hiroki	2256.96
4	Black	Win	Kobayashi Nanako	2011.63
5	Black	Draw	Suenaga Daiki	2251.79
6	White	Loss	Nagasoe Hiroki	2645.43
59 Meijinsen Qualification Tokai area 2nd round
Date	2021-06-27		Rating	2331.76
Round	Color	Result	Opponent
1	Black	Loss	Maruyama Yasushi	2300.60
2	White	Win	Yamamoto Yasuhiro	2198.28
3	Black	Draw	Takazawa Nagayoshi	2188.23
59 Meijinsen Qualification Hamamatsu area 1st round
Date	2021-05-16		Rating	2336.18
Round	Color	Result	Opponent
1	Black	Win	Kamikubo Mineo	1834.33
2	Black	Loss	Maruyama Yasushi	2301.37
3	Black	Win	Fukada Ren	2041.25
4	Black	Win	Takazawa Nagayoshi	2187.91
5	Black	Loss	Kawada Miki	1911.99
16th All Japan Championship
Date	2021-03-28		Rating	2346.59
Round	Color	Result	Opponent
1	Black	Loss	Maruyama Takashi	2054.69
2	Black	Win	Maruta Koji	2120.89
3	Black	Loss	Fujita Maiko	2359.59
4	Black	Win	Suenaga Daiki	2260.70
5	Black	Loss	Makino Mitsunori	2561.60
6	White	Win	Kawaai Hitoshi	2010.90
46 Tokai Championship Final Match
Date	2021-02-21		Rating	2357.25
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2259.76
2	Black	Win	Mano Yoshihisa	2259.76
24th New Year(Mikami)Cup
Date	2021-01-29		Rating	2362.40
Round	Color	Result	Opponent
S1	White	Draw	Makino Mitsunori	2555.22
S2	Black	Win	Ono Takayuki	2388.89
S3	White	Win	Maruta Hiroki	2226.66
S4	Black	Loss	Okabe Hiroshi	2731.49
S5	Black	Win	Maruta Koji	2116.40
46 Tokai Championship 2nd round
Date	2020-12-20		Rating	2366.05
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2287.27
2	Black	Draw	Yamamoto Yasuhiro	2211.48
3	Black	Win	Mano Yoshihisa	2272.26
21 Renju Emperor Tournament Kanto area 1st round
Date	2020-11-15		Rating	2367.12
Round	Color	Result	Opponent
1	White	Win	Fujita Maiko	2364.16
2	Black	Loss	Inoue Fumiya	2462.17
3	Black	Loss	Makino Mitsunori	2537.79
4	White	Win	Suenaga Daiki	2266.30
37 Kanto Championship
Date	2020-08-10		Rating	2367.75
Round	Color	Result	Opponent
1	Black	Win	Kawaai Hitoshi	2008.54
2	Black	Win	Maruyama Takashi	2039.83
3	Black	Loss	Okabe Hiroshi	2730.39
4	Black	Loss	Fujita Maiko	2370.16
5	Black	Win	Shimura Hiroki	1961.02
6	Black	Loss	Maruta Hiroki	2242.44
58 Meijinsen Qualification Tokai area 2nd round
Date	2020-07-19		Rating	2370.21
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2481.09
2	Black	Win	Maruyama Yasushi	2294.00
3	Black	Win	Masuda Taku	2026.95
ex	Black	Loss	Fujita Yudai	2481.09
58 Meijinsen Qualification Hamamatsu area 1st round
Date	2020-06-28		Rating	2372.98
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2210.74
2	Black	Win	Fukada Ren	1985.40
3	Black	Win	Fujita Yudai	2481.35
4	Black	Draw	Maruyama Yasushi	2293.85
5	Black	Win	Takazawa Nagayoshi	2160.76
45 Tokai Championship final match
Date	2020-02-16		Rating	2373.55
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2300.26
2	Black	Win	Mano Yoshihisa	2300.26
23 New Year (Mikami) Cup
Date	2020-01-26		Rating	2371.79
Round	Color	Result	Opponent
A1	Black	Loss	Fujita Maiko	2353.17
A2	Black	Loss	Inoue Fumiya	2414.03
A3	Black	Loss	Ono Takayuki	2390.84
A4	Black	Win	Iwano Fumio	2169.45
A5	Black	Loss	Okabe Hiroshi	2730.07
15th All Japan Championship
Date	2020-01-19		Rating	2372.22
Round	Color	Result	Opponent
1	Black	Loss	Nakayama Tomoharu	2843.35
2	White	Win	Fujita Maiko	2352.22
3	Black	Loss	Nakamura Shigeru	2961.66
4	White	Win	Hata Masayuki	2154.98
5	Black	Loss	Iio Yoshihiro	2394.27
6	Black	Win	Makino Mitsunori	2392.22
45 Tokai Championship 2nd round
Date	2019-12-15		Rating	2371.84
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2284.85
2	Black	Win	Yamamoto Yasuhiro	2220.23
3	Black	Loss	Mano Yoshihisa	2308.99
20 Renju Emperor Tournament 2nd round
Date	2019-12-08		Rating	2371.70
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2964.92
2	Black	Win	Miyamoto Syunju	2299.19
3	Black	Loss	Fujita Maiko	2353.81
4	Black	Loss	Inoue Fumiya	2415.45
5	Black	Loss	Okabe Hiroshi	2727.30
20 Renju Emperor Tournament Kanto area 1st round
Date	2019-11-10		Rating	2373.34
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2130.55
2	White	Loss	Fujita Maiko	2353.61
3	Black	Win	Maruta Koji	2135.86
4	White	Loss	Inoue Fumiya	2416.69
11th Tohoku Championship
Date	2019-10-06		Rating	2377.60
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	2080.69
2	Black	Draw	Gakumazawa Hideaki	2137.63
3	White	Win	Miyamoto Syunju	2295.74
4	Black	Loss	Okabe Hiroshi	2724.69
5	Black	Loss	Kusajima Masato	2241.59
57 Meijinsen Tournament
Date	2019-09-16		Rating	2381.30
Round	Color	Result	Opponent
1	Black	Win	Kawano Takahisa	2455.61
2	Black	Loss	Okabe Hiroshi	2723.17
3	Black	Win	Matsuura Hiroshi	2363.16
4	Black	Loss	Nakayama Tomoharu	2823.91
5	White	Win	Inoue Fumiya	2416.27
6	Black	Loss	Kamiya Shunsuke	2821.21
7	White	Loss	Kawamura Norihiko	2660.21
8	Black	Loss	Hasegawa Kazuto	2609.50
9	White	Loss	Koyama Jun	2606.10
36 Kanto Championship
Date	2019-07-28		Rating	2386.28
Round	Color	Result	Opponent
1	White	Loss	Maruyama Takashi	2028.34
2	White	Win	Fujikawa Masaki	2148.23
3	White	Win	Maruta Hiroki	2188.43
4	White	Win	Makino Mitsunori	2312.48
5	Black	Loss	Nakamura Shigeru	2981.56
6	Black	Loss	Okabe Hiroshi	2716.40
57 Meijinsen Qualification Tokai area 2nd round
Date	2019-06-23		Rating	2390.57
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2290.98
2	Black	Win	Mano Yoshihisa	2322.23
3	Black	Win	Suzuki Junichiro	2042.99
57 Meijinsen Qualification Hamamatsu area
Date	2019-05-19		Rating	2391.43
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	2044.86
2	White	Loss	Maruyama Yasushi	2294.84
3	Black	Win	Kamikubo Mineo	1928.79
5	White	Win	Kato Daisuke	1882.11
14th All Japan Championship
Date	2019-03-31		Rating	2394.82
Round	Color	Result	Opponent
1	Black	Loss	Chigira Makoto	2090.42
2	Black	Win	Kusajima Masato	2269.62
3	White	Win	Fujita Maiko	2287.05
4	Black	Loss	Nakayama Tomoharu	2816.34
5	White	Loss	Iio Yoshihiro	2447.51
6	White	Loss	Maruta Hiroki	2187.01
44 Tokai Championship final match
Date	2019-02-16		Rating	2404.71
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2294.56
2	White	Win	Maruyama Yasushi	2294.56
3	Black	Win	Maruyama Yasushi	2294.56
44 Tokai Championship 2nd round
Date	2018-12-16		Rating	2415.26
Round	Color	Result	Opponent
1	Black	Loss	Maruyama Yasushi	2298.09
2	White	Win	Mano Yoshihisa	2325.78
3	White	Win	Kishi Yoshinori	1938.33
19 Renju Emperor Tournament 2nd round
Date	2018-12-09		Rating	2416.63
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2268.55
2	Black	Loss	Okabe Hiroshi	2685.43
3	Black	Win	Iwano Fumio	2241.21
4	White	Loss	Nakamura Shigeru	2997.82
5	White	Win	Maruta Hiroki	2175.09
44 Tokai Championship Hamamatsu area 1st round
Date	2018-11-18		Rating	2419.43
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	2062.83
3	Black	Win	Takahashi Kodai	1592.49
4	Black	Win	Kato Daisuke	1889.44
5	Black	Loss	Maruyama Yasushi	2295.60
ex1	Black	Win	Maruyama Yasushi	2295.60
50 Kyoto Classified Tournament
Date	2018-11-11		Rating	2420.51
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2465.00
2	White	Draw	Fujita Maiko	2249.26
3	Black	Loss	Tanaka Toshiki	2498.46
4	White	Loss	Hasegawa Kazuto	2578.33
5	Black	Win	Nishida Toshio	2032.01
19 Renju Emperor Tournament Kanto area 1st round
Date	2018-10-21		Rating	2424.29
Round	Color	Result	Opponent
1	Black	Draw	Inoue Fumiya	2403.54
2	White	Win	Fujita Maiko	2244.96
3	Black	Draw	Koyama Jun	2567.82
4	Black	Win	Ono Takayuki	2394.47
56 Meijinsen Tournament
Date	2018-09-17		Rating	2427.08
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2998.05
2	Black	Loss	Kamiya Shunsuke	2797.26
3	Black	Win	Hasegawa Kazuto	2575.60
4	Black	Loss	Kuga Akio	2422.48
6	White	Win	Koyama Jun	2570.72
7	Black	Draw	Matsuura Hiroshi	2353.90
8	Black	Loss	Okabe Hiroshi	2700.05
9	White	Loss	Kawamura Norihiko	2653.15
35 Kanto Championship
Date	2018-07-16		Rating	2430.43
Round	Color	Result	Opponent
1	White	Win	Fujita Maiko	2220.08
2	White	Draw	Nakayama Tomoharu	2836.18
3	Black	Draw	Sato Kiyotomi	2441.53
4	Black	Loss	Inoue Fumiya	2393.82
5	Black	Win	Fujikawa Masaki	2100.62
6	White	Loss	Okabe Hiroshi	2706.62
56 Meijinsen Qualification Tokai area 2nd round
Date	2018-06-24		Rating	2431.44
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2342.02
2	White	Draw	Fujita Yudai	2493.12
3	Black	Win	Maruyama Yasushi	2284.76
56 Meijinsen Qualification Hamamatsu area 1st round
Date	2018-05-20		Rating	2430.08
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	2068.75
2	White	Win	Kato Daisuke	1882.00
3	White	Win	Fujita Yudai	2495.86
4	Black	Draw	Maruyama Yasushi	2285.87
5	White	Win	Takazawa Nagayoshi	2158.92
13th All Japan Championship
Date	2018-01-28		Rating	2416.74
Round	Color	Result	Opponent
1	White	Draw	Iio Yoshihiro	2535.65
2	Black	Win	Koyama Jun	2578.47
3	White	Loss	Tachi Masaya	2555.26
4	Black	Win	Ono Takayuki	2383.11
5	White	Loss	Okabe Hiroshi	2715.17
6	White	Win	Miyamoto Syunju	2267.47
21 Mikami Cup
Date	2018-01-21		Rating	2415.00
Round	Color	Result	Opponent
S1	Black	Win	Sato Kiyotomi	2433.21
S2	Black	Loss	Okabe Hiroshi	2716.09
S3	White	Win	Ono Takayuki	2382.00
43 Tokai Championship 2nd round
Date	2017-12-17		Rating	2403.06
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2190.47
2	White	Loss	Naito Yuya	2522.39
3	Black	Loss	Fujita Yudai	2500.23
43 Tokai Championship 1st round Hamamatsu area
Date	2017-11-26		Rating	2397.00
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2282.25
3	White	Win	Kato Daisuke	1866.34
4	Black	Win	Yamamoto Yasuhiro	2190.69
5	Black	Loss	Suzuki Junichiro	2064.70
49 Kyoto Classified Tournament
Date	2017-11-12		Rating	2394.13
Round	Color	Result	Opponent
S1	Black	Loss	Kawamura Norihiko	2657.16
S2	White	Loss	Hata Masayuki	2193.10
S3	White	Loss	Hasegawa Kazuto	2593.28
S5	Black	Loss	Iio Yoshihiro	2543.09
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-01		Rating	2393.68
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2281.67
2	Black	Win	Iwano Fumio	2257.29
3	Black	Win	Maruta Koji	2125.93
4	Black	Loss	Okabe Hiroshi	2720.51
34 Kanto Championship
Date	2017-07-16		Rating	2392.88
Round	Color	Result	Opponent
1	Black	Win	Koyama Akihiro	1956.53
2	White	Win	Maruta Koji	2135.47
3	Black	Win	Iwano Fumio	2265.73
4	White	Draw	Nakayama Tomoharu	2825.62
5	Black	Loss	Okabe Hiroshi	2720.43
6	Black	Loss	Ono Takayuki	2378.23
55 Meijinsen Qualification Tokai area 1st round
Date	2017-05-21		Rating	2390.24
Round	Color	Result	Opponent
1	Black	Draw	Suzuki Junichiro	2051.11
2	White	Win	Yamamoto Yasuhiro	2174.77
3	Black	Loss	Mano Yoshihisa	2339.29
4	White	Loss	Fujita Yudai	2484.01
5	Black	Win	Kamikubo Mineo	1988.29
12th All Japan Championship
Date	2017-03-26		Rating	2393.85
Round	Color	Result	Opponent
1	White	Draw	Nakayama Tomoharu	2794.01
2	Black	Win	Iio Yoshihiro	2545.84
3	White	Loss	Koyama Jun	2606.79
4	White	Draw	Sato Kiyotomi	2478.59
5	White	Loss	Tachi Masaya	2530.02
6	Black	Win	Nishida Toshio	2089.58
42 Tokai Championship final match
Date	2017-02-19		Rating	2392.83
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2489.34
2	White	Draw	Fujita Yudai	2489.34
3	White	Loss	Fujita Yudai	2489.34
20 New Year (Mikami) Cup
Date	2017-01-22		Rating	2393.86
Round	Color	Result	Opponent
S1	Black	Loss	Nakamura Shigeru	2964.11
S2	Black	Loss	Okabe Hiroshi	2719.25
S3	Black	Loss	Sato Kiyotomi	2491.65
S4	White	Loss	Koyama Jun	2611.29
42 Tokai Championship 2nd round
Date	2016-12-18		Rating	2398.08
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2291.47
2	Black	Loss	Fujita Yudai	2488.17
3	Black	Win	Yamamoto Yasuhiro	2158.90
17 Kanto Renju Emperor Tournament 2nd round
Date	2016-12-10		Rating	2398.88
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2959.20
2	Black	Draw	Nakayama Tomoharu	2783.63
3	White	Loss	Okabe Hiroshi	2714.99
4	Black	Win	Maruta Koji	2162.09
5	White	Loss	Sato Kiyotomi	2501.74
17 Kanto Renju Emperor Tournament 1st round
Date	2016-11-23		Rating	2400.46
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2118.26
2	Black	Win	Iwano Fumio	2269.77
3	White	Loss	Okabe Hiroshi	2713.67
4	Black	Loss	Koyama Jun	2614.96
ex2	Black	Win	Iwano Fumio	2269.77
42 Tokai Championship 1st round
Date	2016-11-20		Rating	2400.59
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	2027.04
2	Black	Win	Yamamoto Yasuhiro	2158.04
3	Black	Win	Maruyama Yasushi	2292.04
4	Black	Win	Takazawa Nagayoshi	2156.41
5	Black	Win	Kato Daisuke	1864.69
48 Kyoto Classified Tournament
Date	2016-11-13		Rating	2400.21
Round	Color	Result	Opponent
SY1	Black	Win	Doi Manabu	1997.95
SY2	Black	Win	Nishida Toshio	2096.95
SY3	White	Win	Mano Yoshihisa	2326.10
SY4	Black	Draw	Takagawa Teiji	2260.86
SY5	Black	Win	Nishida Toshio	2096.95
33 Kanto Championship
Date	2016-07-31		Rating	2387.52
Round	Color	Result	Opponent
1	Black	Win	Yunoki Takahiro	1785.85
2	White	Loss	Nakayama Tomoharu	2776.79
3	White	Loss	Maruta Hiroki	2129.66
4	White	Loss	Fujikawa Masaki	2105.22
5	Black	Win	Kato Yasuhiro	2044.25
6	White	Draw	Koyama Jun	2623.25
54 Meijinsen Qualification Tokai area 2nd round
Date	2016-06-26		Rating	2388.35
Round	Color	Result	Opponent
1	White	Loss	Maruyama Yasushi	2301.44
2	Black	Win	Kato Daisuke	1858.16
3	White	Win	Yamamoto Yasuhiro	2151.24
54 Meijinsen Qualification Tokai area 1st round
Date	2016-05-15		Rating	2391.08
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2150.90
2	Black	Win	Kato Daisuke	1859.55
3	Black	Win	Mano Yoshihisa	2342.40
4	White	Win	Suzuki Junichiro	2008.55
5	Black	Draw	Maruyama Yasushi	2301.88
Team World Championship 2016
Date	2016-05-04		Rating	2391.00
Round	Color	Result	Opponent
1	Black	Win	Topkin Georg-Romet	2373.23
2	Black	Loss	Lents Johann	2687.11
3	Black	Draw	Sandstrom Richard	2328.95
5	White	Loss	Fedotov Denis	2594.52
6	Black	Loss	Lan Zhiren	2639.80
9	White	Draw	Rahumägi Brenet	2329.48
19 Mikami Cup
Date	2016-03-13		Rating	2392.28
Round	Color	Result	Opponent
S1	Black	Loss	Koyama Jun	2632.25
S2	Black	Win	Ono Takayuki	2328.64
S3	White	Loss	Kamiya Shunsuke	2724.06
S5	Black	Loss	Nakamura Shigeru	2941.16
41 Tokai Championship Final round
Date	2016-02-21		Rating	2392.71
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2456.60
2	Black	Draw	Fujita Yudai	2456.60
3	Black	Loss	Fujita Yudai	2456.60
11th All Japan Championship
Date	2016-01-11		Rating	2396.85
Round	Color	Result	Opponent
1	Black	Loss	Nakayama Tomoharu	2778.59
2	White	Win	Suzuki Rin	1923.35
3	Black	Loss	Sato Kiyotomi	2537.66
4	White	Loss	Okabe Hiroshi	2715.42
5	White	Win	Kudomi Takahiro	2192.08
6	Black	Win	Iio Yoshihiro	2539.53
41 Tokai Championship 2nd round
Date	2015-12-20		Rating	2397.98
Round	Color	Result	Opponent
1	White	Win	Mano Yoshihisa	2355.74
2	Black	Win	Fujita Yudai	2442.37
3	Black	Win	Maruyama Yasushi	2291.87
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2394.52
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2642.44
2	Black	Win	Hashimoto Takuya	2014.96
3	White	Loss	Tamada Yoichi	2576.76
4	Black	Loss	Maruta Hiroki	2123.19
47 Kyoto Classified Tournament
Date	2015-11-08		Rating	2394.74
Round	Color	Result	Opponent
S1	Black	Loss	Hasegawa Kazuto	2667.91
S2	Black	Win	Mano Yoshihisa	2360.59
S3	White	Draw	Kashihara Akihiko	2341.52
S4	Black	Loss	Epifanov Dmitry	2716.46
S5	Black	Win	Tachi Masaya	2471.64
53 Meijinsen Tournament
Date	2015-09-22		Rating	2392.71
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2718.23
2	White	Loss	Matsuura Hiroshi	2399.42
3	Black	Loss	Koyama Jun	2635.86
4	Black	Loss	Hasegawa Kazuto	2672.90
5	Black	Loss	Nakayama Tomoharu	2769.83
6	Black	Draw	Iio Yoshihiro	2532.03
7	Black	Loss	Oosumi Yuuki	2773.56
8	White	Loss	Tamada Yoichi	2583.22
9	Black	Draw	Kawamura Norihiko	2623.10
World Championship 2015, BT
Date	2015-08-12		Rating	2395.31
Round	Color	Result	Opponent
2	White	Loss	Berezin Roman	2500.58
3	Black	Loss	Volkov Sergey	2467.17
4	Black	Draw	Fedoseyev Arseniy	2136.36
5	Black	Win	Stoyanov Kirill	2091.98
6	White	Loss	Koyama Jun	2632.21
7	Black	Win	Khramov Andrey	2260.40
8	Black	Draw	Sirategyan Karen	2441.66
9	White	Win	Lavrik-Karmazin Maksim	2292.43
World Championship 2015, QT
Date	2015-08-05		Rating	2396.05
Round	Color	Result	Opponent
1	Black	Win	Khramov Andrey	2259.93
2	White	Loss	Kamiya Shunsuke	2705.90
3	Black	Win	Jonsson Peter	2388.12
4	Black	Loss	Epifanov Dmitry	2709.07
5	Black	Loss	Mesila Villem	2565.13
6	White	Loss	Sun In	2439.37
7	White	Loss	Topkin Georg-Romet	2336.51
Kanto Championship
Date	2015-07-20		Rating	2399.14
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2054.70
2	Black	Loss	Okabe Hiroshi	2727.14
3	Black	Loss	Iwano Fumio	2251.80
4	Black	Win	Maruta Hiroki	2104.89
5	Black	Loss	Zhao Jiadong	2137.04
6	Black	Win	Tanizaki Ryusuke	2184.85
53 Meijinsen Qualification Tokai area 2nd round
Date	2015-06-21		Rating	2408.43
Round	Color	Result	Opponent
1	White	Win	Mano Yoshihisa	2359.12
2	White	Win	Maruyama Yasushi	2288.09
3	Black	Draw	Fujita Yudai	2392.75
53 Meijinsen Qualification Tokai area 1st round
Date	2015-05-17		Rating	2416.77
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1988.77
2	Black	Draw	Mano Yoshihisa	2357.20
3	Black	Win	Maruyama Yasushi	2289.51
4	Black	Win	Fujita Yudai	2379.25
7th Tohoku Championship
Date	2015-04-12		Rating	2422.14
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	1991.95
2	White	Loss	Kobayashi Koichi	2294.65
3	White	Win	Gakumazawa Hideaki	2191.73
4	Black	Loss	Okabe Hiroshi	2736.74
5	Black	Win	Miura Hitoshi	1792.52
10th All Japan Championship
Date	2015-03-29		Rating	2425.07
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2077.85
2	White	Draw	Nakamura Souta	2288.06
3	White	Win	Kudomi Takahiro	2254.91
4	White	Loss	Tachi Masaya	2480.89
5	White	Win	Koyama Jun	2605.96
6	Black	Draw	Nakayama Tomoharu	2745.04
40 Tokai Championship final match
Date	2015-02-15		Rating	2429.72
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2290.59
2	White	Win	Maruyama Yasushi	2290.59
15 Kanto Renju Emperor Tournament 2nd round
Date	2015-01-25		Rating	2430.60
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2661.22
2	Black	Loss	Okabe Hiroshi	2739.53
3	Black	Loss	Nakamura Shigeru	2899.81
4	Black	Loss	Ono Takayuki	2346.49
5	Black	Win	Nakamura Souta	2267.93
40 Tokai Championship 2nd round
Date	2014-12-21		Rating	2434.99
Round	Color	Result	Opponent
1	Black	Win	Tatematsu Hikaru	2190.92
2	White	Loss	Maruyama Yasushi	2295.10
3	White	Win	Yamamoto Yasuhiro	2123.28
40 Tokai Championship 1st round
Date	2014-11-16		Rating	2440.76
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1967.03
2	White	Win	Tatematsu Hikaru	2189.96
3	Black	Win	Yamamoto Yasuhiro	2125.22
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2441.60
Round	Color	Result	Opponent
S1	White	Loss	Sakamoto Suzan	2295.91
S2	White	Win	Hata Masayuki	2201.53
S3	White	Loss	Kawamura Norihiko	2652.89
S4	Black	Win	Miyagawa Junzo	2230.05
S5	Black	Win	Matsuo Toshiko	1887.56
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2444.01
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2083.14
2	White	Loss	Fukui Nobuhiro	2610.07
3	Black	Win	Nakamura Souta	2227.24
4	Black	Win	Iwano Fumio	2257.08
1st Senior Masters Championship
Date	2014-08-29		Rating	2451.99
Round	Color	Result	Opponent
1	Black	Win	Miura Hitoshi	1803.47
2	White	Win	Mitsumori Masao	2337.72
3	White	Win	Miyagawa Junzo	2219.23
4	White	Draw	Isobe Taizan	2431.56
5	Black	Win	Kubo Izumi	2089.68
6	White	Win	Kato Yasuhiro	2089.52
7	White	Win	Kobayashi Koichi	2251.60
8S	White	Draw	Isobe Taizan	2431.56
52 Meijinsen Qualification Tokai area 2nd round
Date	2014-05-18		Rating	2455.00
Round	Color	Result	Opponent
1	White	Win	Fujita Yudai	2323.18
2	White	Loss	Fukui Nobuhiro	2623.92
3	White	Draw	Mano Yoshihisa	2320.89
31th Kanto Championship
Date	2014-05-11		Rating	2455.31
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2112.67
2	Black	Win	Ono Takayuki	2380.32
3	White	Loss	Nakamura Shigeru	2884.41
4	White	Win	Kobayashi Koichi	2242.21
5	White	Win	Iwano Fumio	2261.68
Team World Championship 2014
Date	2014-05-03		Rating	2454.86
Round	Color	Result	Opponent
1	White	Win	Tada Ayako	2312.72
2	Black	Loss	Lents Johann	2610.07
4	White	Loss	Yang Yu-Hsiung	2521.37
6	White	Win	Tamura Kazumasa	2522.88
8	White	Loss	Chen Wei-Han	2467.86
9	Black	Win	Lin Shih-Pin	2502.03
52 Meijinsen Qualification Tokai area 1st round
Date	2014-04-20		Rating	2453.70
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1955.12
2	White	Win	Mano Yoshihisa	2319.57
3	White	Loss	Fukui Nobuhiro	2622.75
4	Black	Win	Maruyama Yasushi	2292.62
9th All Japan Championship
Date	2014-01-26		Rating	2442.67
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2761.02
2	Black	Win	Miyagawa Junzo	2200.85
3	Black	Win	Kim Chang-Su	2068.70
4	White	Loss	Ono Takayuki	2375.77
5	White	Win	Kon Akira	1988.97
6	White	Win	Mano Yoshihisa	2315.75
14th Mikami Cup S-class
Date	2014-01-19		Rating	2441.78
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2375.18
2	White	Loss	Nakayama Tomoharu	2672.50
2	Black	Draw	Okabe Hiroshi	2760.84
3	White	Win	Sato Kiyotomi	2463.71
4	White	Loss	Nakamura Shigeru	2891.19
5	White	Win	Isobe Taizan	2399.86
39 Tokai Championship 2nd round
Date	2013-12-15		Rating	2431.66
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2317.89
2	Black	Win	Yamamoto Yasuhiro	2152.66
3	White	Loss	Maruyama Yasushi	2293.11
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2426.12
Round	Color	Result	Opponent
S1	Black	Loss	Okabe Hiroshi	2759.09
S2	White	Win	Sandstrom Richard	2382.33
S3	Black	Win	Kawano Takahisa	2374.64
S4	White	Loss	Oosumi Yuuki	2840.51
S5	Black	Loss	Iio Yoshihiro	2533.31
World Championship 2013, BT
Date	2013-08-09		Rating	2408.30
Round	Color	Result	Opponent
1	Black	Win	Mesila Villem	2440.22
2	White	Win	Filinov Vladimir	2563.02
3	White	Loss	Poltaratsky Nikolay	2533.28
4	Black	Win	Kostlivý Radim	2017.65
5	White	Win	Sandstrom Richard	2386.79
6	White	Win	Kolk Kuno	2241.33
7	Black	Loss	Potapov Alexey	2631.79
8	White	Win	Andersson Tord	2458.49
9	White	Win	Fedorkin Oleg	2668.61
World Championship 2013, QT
Date	2013-08-05		Rating	2406.22
Round	Color	Result	Opponent
1	White	Loss	Pajuste Renee	2628.14
2	Black	Draw	Jonsson Peter	2393.02
3	White	Loss	Miyagawa Junzo	2221.99
4	White	Loss	Hõbemägi Martin	2585.92
5	White	Loss	Sandstrom Richard	2387.21
6	Black	Loss	Andersson Tord	2457.81
7	White	Loss	Lents Johann	2589.28
29th Kanto Championship
Date	2013-05-12		Rating	2385.33
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2159.93
2	White	Win	Maruta Hiroki	2144.95
3	White	Loss	Okabe Hiroshi	2743.95
4	White	Loss	Kamiya Shunsuke	2537.47
5	White	Win	Sato Kiyotomi	2449.72
51 Meijinsen Qualification Tokai area 1st round
Date	2013-04-21		Rating	2378.77
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2305.50
2	Black	Loss	Yamamoto Yasuhiro	2185.71
3	Black	Draw	Suzuki Junichiro	1926.84
4	White	Win	Saito Syuichi	2065.04
5th Tohoku Championship
Date	2013-04-14		Rating	2377.87
Round	Color	Result	Opponent
1	White	Win	Miura Hitoshi	1828.79
2	Black	Win	Kusajima Masato	2214.33
3	Black	Draw	Maruta Hiroki	2146.03
4	White	Loss	Kudomi Takahiro	2417.50
5	Black	Loss	Nakamura Shigeru	2864.93
8th All Japan Championship
Date	2013-03-24		Rating	2376.24
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2144.36
2	Black	Loss	Iio Yoshihiro	2485.52
3	White	Win	Iwano Fumio	2170.94
4	White	Win	Sato Kiyotomi	2437.11
5	White	Loss	Oosumi Yuuki	2845.18
6	Black	Loss	Isobe Taizan	2404.45
38 Tokai Championship final match
Date	2013-02-17		Rating	2372.92
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2291.70
2	White	Win	Mano Yoshihisa	2291.70
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2367.86
Round	Color	Result	Opponent
S1	White	Win	Ono Takayuki	2416.57
S2	Black	Loss	Okabe Hiroshi	2719.93
S3	White	Draw	Fukui Nobuhiro	2566.86
S4	Black	Loss	Mitsumori Masao	2343.66
S5	White	Loss	Isobe Taizan	2407.90
13 Kanto Renju Emperor Tournament 2nd round
Date	2013-01-13		Rating	2366.81
Round	Color	Result	Opponent
1	Black	Loss	Fukui Nobuhiro	2565.96
2	Black	Draw	Isobe Taizan	2408.17
3	Black	Loss	Nakamura Shigeru	2878.78
4	Black	Loss	Okabe Hiroshi	2718.94
5	Black	Loss	Kudomi Takahiro	2421.84
38 Tokai Championship 2nd round
Date	2012-11-18		Rating	2363.13
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2255.66
2	Black	Loss	Mano Yoshihisa	2279.55
3	White	Win	Saito Syuichi	2071.91
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2363.15
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2714.09
S2	Black	Win	Hata Masayuki	2242.45
S3	Black	Loss	Hasegawa Kazuto	2593.98
S4	Black	Win	Iio Yoshihiro	2471.72
S5	Black	Win	Kudomi Takahiro	2420.92
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2360.30
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2120.57
2	White	Draw	Tomobe Katsuhiro	2190.80
3	White	Loss	Suzuki Rin	2038.80
4	Black	Win	Maruta Koji	2148.14
29th Kanto Championship
Date	2012-05-13		Rating	2368.21
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2088.82
2	Black	Win	Sato Kiyotomi	2396.96
3	Black	Loss	Nakamura Shigeru	2885.21
4	Black	Loss	Kudomi Takahiro	2428.02
5	White	Win	Matsuoka Teruo	2017.79
50 Meijinsen Qualification Tokai area 1st round
Date	2012-04-15		Rating	2368.45
Round	Color	Result	Opponent
1	White	Loss	Mano Yoshihisa	2236.27
2	Black	Loss	Miyoshi Takeo	2173.05
4	White	Win	Yamamoto Yasuhiro	2154.35
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2373.47
Round	Color	Result	Opponent
S1	Black	Win	Tadokoro Hosai	1859.45
S2	White	Loss	Nakamura Shigeru	2879.27
S3	White	Loss	Isobe Taizan	2421.72
S4	Black	Loss	Oosumi Yuuki	2793.58
S5	White	Win	Mitsumori Masao	2367.39
37 Tokai Championship final match
Date	2012-02-19		Rating	2376.54
Round	Color	Result	Opponent
1	White	Loss	Maruyama Yasushi	2246.55
2	White	Win	Maruyama Yasushi	2246.55
3	Black	Win	Maruyama Yasushi	2246.55
7th All Japan Championship
Date	2012-01-29		Rating	2379.69
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2121.69
2	Black	Loss	Nakamura Shigeru	2877.80
3	White	Win	Kubo Izumi	2098.73
4	Black	Loss	Mitsumori Masao	2370.53
5	White	Draw	Nakayama Tomoharu	2603.69
6	Black	Loss	Kamiya Shunsuke	2460.22
37 Tokai Championship 2nd round
Date	2011-11-20		Rating	2392.67
Round	Color	Result	Opponent
1	White	Win	Mano Yoshihisa	2233.12
2	Black	Win	Maruyama Yasushi	2241.66
3	Black	Win	Yamamoto Yasuhiro	2143.57
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2393.37
Round	Color	Result	Opponent
S1	White	Win	Mano Yoshihisa	2233.28
S2	White	Win	Hata Masayuki	2233.27
S3	White	Loss	Oosumi Yuuki	2775.67
S4	Black	Win	Sakamoto Suzan	2356.88
S5	Black	Loss	Okabe Hiroshi	2707.01
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2393.65
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1991.11
2	Black	Loss	Oosumi Yuuki	2771.23
3	White	Win	Tada Ayako	2254.43
4	White	Loss	Okabe Hiroshi	2706.64
28th Kanto Championship
Date	2011-05-22		Rating	2393.04
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1991.38
2	Black	Loss	Fukui Nobuhiro	2431.21
3	Black	Win	Iwano Fumio	2131.96
4	White	Win	Kudomi Takahiro	2413.35
5	Black	Win	Yamaguchi Yusui	2629.39
49 Meijinsen Qualification Tokai area 2nd round
Date	2011-05-15		Rating	2392.12
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2151.28
2	Black	Win	Mano Yoshihisa	2266.82
3	White	Loss	Maruyama Yasushi	2231.84
49 Meijinsen Qualification Tokai area 1st round
Date	2011-04-17		Rating	2392.12
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1942.24
2	Black	Win	Mano Yoshihisa	2272.37
3	Black	Win	Maruyama Yasushi	2229.96
4	Black	Win	Miyoshi Takeo	2145.86
6th All Japan Championship
Date	2011-03-27		Rating	2390.07
Round	Color	Result	Opponent
1	White	Loss	Kon Akira	2009.30
2	White	Loss	Kamiya Shunsuke	2407.42
3	Black	Loss	Kawano Takahisa	2351.40
4	White	Win	Miyagawa Sou	2118.82
5	White	Win	Miyoshi Takeo	2141.35
6	White	Draw	Mano Yoshihisa	2276.25
3rd Tohoku Championship
Date	2011-02-27		Rating	2392.68
Round	Color	Result	Opponent
1	Black	Win	Hirono Masakazu	1986.02
2	White	Win	Fukui Nobuhiro	2391.55
3	White	Loss	Tamada Yoichi	2514.43
4	White	Win	Kobayashi Koichi	2141.71
5	Black	Win	Miyagawa Sou	2121.74
36 Tokai Championship final match
Date	2011-02-20		Rating	2392.86
Round	Color	Result	Opponent
1	White	Draw	Mano Yoshihisa	2283.73
2	Black	Win	Mano Yoshihisa	2283.73
3	White	Win	Mano Yoshihisa	2283.73
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2392.11
Round	Color	Result	Opponent
S1	White	Draw	Nakamura Shigeru	2857.54
S2	Black	Loss	Isobe Taizan	2408.47
S4	White	Win	Gakumazawa Hideaki	2114.11
S5	Black	Loss	Oosumi Yuuki	2737.12
36 Tokai Championship 2nd round
Date	2010-11-21		Rating	2389.56
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2308.67
2	White	Win	Yamamoto Yasuhiro	2124.73
3	Black	Win	Miyoshi Takeo	2128.01
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2389.39
Round	Color	Result	Opponent
1	White	Win	Matsuoka Teruo	1978.63
2	White	Loss	Nakayama Tomoharu	2520.17
3	Black	Win	Shimoyama Takuma	2240.93
4	White	Loss	Fukui Nobuhiro	2346.86
48th Meijinsen Tournament
Date	2010-09-20		Rating	2391.32
Round	Color	Result	Opponent
1	Black	Loss	Oosumi Yuuki	2703.10
2	Black	Win	Yamaguchi Yusui	2591.56
3	Black	Win	Kawano Takahisa	2321.38
4	White	Loss	Sakamoto Suzan	2351.34
5	Black	Draw	Matsuura Hiroshi	2391.90
6	Black	Loss	Iio Yoshihiro	2530.12
7	White	Loss	Okabe Hiroshi	2696.28
8	White	Loss	Tamada Yoichi	2498.27
9	White	Win	Koiso Shigemasa	2173.61
27th Kanto Championship
Date	2010-05-23		Rating	2398.61
Round	Color	Result	Opponent
1	White	Win	Fukui Nobuhiro	2315.94
2	Black	Loss	Kawamura Norihiko	2586.08
3	White	Win	Nagao Noriaki	2377.90
4	White	Loss	Okabe Hiroshi	2703.12
5	White	Loss	Tomobe Katsuhiro	2208.54
Meijinsen Qualification Tokai area 2nd round
Date	2010-05-16		Rating	2399.27
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2320.08
2	White	Draw	Yamamoto Yasuhiro	2138.63
3	Black	Win	Suzuki Junichiro	1915.96
Team World Championship 2010
Date	2010-05-05		Rating	2400.15
Round	Color	Result	Opponent
3	White	Win	Sumarokov Evgeny	2559.19
5	White	Win	Timmermann Alvar	2242.54
8	White	Win	Yakovleva Alyona	2031.64
10	White	Loss	Artemyev Sergey	2622.47
48 Meijinsen Qualification Tokai area 1st round
Date	2010-04-18		Rating	2399.81
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1916.53
2	White	Win	Saito Syuichi	2100.19
3	White	Win	Mano Yoshihisa	2321.33
4	White	Draw	Maruyama Yasushi	2245.46
5th All Japan Championship
Date	2010-03-21		Rating	2398.06
Round	Color	Result	Opponent
1	White	Win	Kuramoto Hideharu	1901.11
2	White	Win	Kim Chang-Su	2056.16
3	Black	Win	Kawamura Norihiko	2587.94
4	White	Win	Oosumi Yuuki	2648.83
5	Black	Loss	Okabe Hiroshi	2701.51
6	Black	Loss	Yamaguchi Yusui	2584.46
2nd Tohoku Championship
Date	2010-03-14		Rating	2396.58
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2098.68
2	White	Win	Gakumazawa Hideaki	2130.26
3	White	Win	Hirono Masakazu	1969.64
4	Black	Win	Seiryu Masanori	1987.44
5	White	Win	Miyagawa Sou	2132.82
35 Tokai Championship final match
Date	2010-02-21		Rating	2392.91
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2248.66
2	Black	Win	Maruyama Yasushi	2248.66
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2387.83
Round	Color	Result	Opponent
S1	Black	Win	Nagao Noriaki	2360.11
S2	Black	Loss	Yamaguchi Yusui	2585.48
S3	Black	Loss	Okabe Hiroshi	2692.10
S4	Black	Win	Suzuki Junichiro	1915.35
S5	White	Loss	Tamura Kazumasa	2512.91
35 Tokai Championship 2nd round
Date	2009-11-15		Rating	2370.86
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2153.36
2	Black	Draw	Maruyama Yasushi	2260.87
3	White	Draw	Yamamoto Yasuhiro	2150.03
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2369.68
Round	Color	Result	Opponent
2	White	Win	Miyoshi Takeo	2156.08
3	White	Loss	Iio Yoshihiro	2520.45
4	White	Win	Miyagawa Junzo	2199.80
5	White	Draw	Oosumi Yuuki	2630.04
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2369.43
Round	Color	Result	Opponent
S1	White	Win	Matsuo Toshiko	1981.48
S2	Black	Loss	Tamura Kazumasa	2509.18
S3	Black	Loss	Okumura Toyohiko	2330.67
S4	White	Loss	Sakamoto Suzan	2322.61
S5	Black	Loss	Mano Yoshihisa	2320.47
35 Tokai Championship 1st round
Date	2009-10-18		Rating	2368.52
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1905.08
2	White	Win	Yamamoto Yasuhiro	2150.53
3	White	Loss	Mano Yoshihisa	2318.94
4	White	Win	Kamikubo Mineo	1940.75
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2368.24
Round	Color	Result	Opponent
1	Black	Win	Kuramoto Hideharu	1898.16
2	Black	Win	Suzuki Rin	1953.78
3	White	Loss	Ono Takayuki	2401.24
4	White	Loss	Nagao Noriaki	2331.39
47th Meijinsen tournament
Date	2009-09-22		Rating	2369.14
Round	Color	Result	Opponent
1	Black	Loss	Kataoka Mitsuaki	2257.97
2	White	Loss	Matsuura Hiroshi	2365.99
3	White	Loss	Okabe Hiroshi	2672.09
4	White	Draw	Oosumi Yuuki	2625.92
5	White	Win	Sakamoto Suzan	2312.38
6	Black	Draw	Iio Yoshihiro	2515.25
7	White	Loss	Yamaguchi Yusui	2575.01
8	White	Draw	Tamura Kazumasa	2506.99
9	White	Loss	Kawamura Norihiko	2633.16
World Championship 2009, BT
Date	2009-08-13		Rating	2374.82
Round	Color	Result	Opponent
1	White	Loss	Pajuste Renee	2416.60
2	White	Win	Nikonov Konstantin	2583.38
3	White	Loss	Nowak Paweł	2438.04
4	Black	Loss	Golosov Viktor	2431.91
5	White	Win	Rejšek Jan	2166.20
6	White	Win	Yu Tien-Lung	2133.21
7	White	Draw	Nikonova Natalya	2369.24
8	White	Win	Tamura Kazumasa	2504.08
9	White	Loss	Lin Huang-Yu	2606.66
World Championship 2009, QT
Date	2009-08-05		Rating	2375.61
Round	Color	Result	Opponent
1	White	Loss	Nykl Ondřej	2550.64
2	White	Loss	Tarannikov Yuriy	2719.94
3	Black	Win	Andersson Tord	2407.10
4	White	Loss	Laube Pavel	2441.39
5	Black	Loss	Savrasova Yulia	2659.58
7	Black	Draw	Hu Xi	2377.33
47th Meijinsen Qualification Tokai area 2nd round
Date	2009-05-17		Rating	2387.13
Round	Color	Result	Opponent
1	Black	Win	Kawasaki Nobuhiko	2107.71
2	Black	Win	Yamamoto Yasuhiro	2145.12
3	Black	Win	Miyoshi Takeo	2197.18
47th Meijinsen Qualification Tokai area 1st round
Date	2009-04-19		Rating	2389.24
Round	Color	Result	Opponent
1	Black	Win	Miyazu Goichi	1809.12
2	Black	Win	Maruyama Yasushi	2246.42
3	Black	Draw	Miyoshi Takeo	2205.08
4	White	Win	Yamamoto Yasuhiro	2141.82
4th All Japan Championship
Date	2009-03-21		Rating	2390.50
Round	Color	Result	Opponent
1	Black	Win	Hara Masao	2020.43
2	Black	Win	Okabe Hiroshi	2670.04
3	Black	Loss	Mitsumori Masao	2348.23
4	White	Loss	Tamada Yoichi	2297.43
5	White	Win	Iwano Fumio	2174.93
6	Black	Draw	Iio Yoshihiro	2485.71
1st Tohoku Championship
Date	2009-02-22		Rating	2391.34
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2116.75
2	White	Loss	Sato Kiyotomi	2451.82
3	White	Win	Gakumazawa Hideaki	2166.62
4	Black	Win	Tanno Yoshitaka	2119.26
5	Black	Loss	Hirono Masakazu	1928.93
34th Tokai Championship, Final Match
Date	2009-02-15		Rating	2392.18
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2217.08
2	Black	Win	Miyoshi Takeo	2217.08
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2396.96
Round	Color	Result	Opponent
S1	White	Loss	Nakamura Shigeru	2860.07
S2	White	Win	Mitsumori Masao	2336.26
S3	Black	Win	Oosumi Yuuki	2590.77
S4	White	Win	Tamura Kazumasa	2497.44
S5	White	Loss	Yamaguchi Yusui	2571.81
34th Tokai Championship 2nd round
Date	2008-11-16		Rating	2397.40
Round	Color	Result	Opponent
	Black	Draw	Miyoshi Takeo	2228.29
	Black	Win	Yamamoto Yasuhiro	2118.66
	Black	Win	Maruyama Yasushi	2236.51
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2397.02
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2167.55
2	White	Win	Kobayashi Koichi	2110.51
3	White	Loss	Sato Kiyotomi	2449.77
4	Black	Win	Maruta Hiroki	2064.07
46th Meijinsen Tournament
Date	2008-09-15		Rating	2395.94
Round	Color	Result	Opponent
1	White	Loss	Hata Masayuki	2259.87
2	Black	Loss	Kawamura Norihiko	2662.19
3	Black	Loss	Sato Kiyotomi	2443.10
4	White	Loss	Okabe Hiroshi	2690.87
5	White	Draw	Matsuura Hiroshi	2327.43
6	Black	Draw	Oosumi Yuuki	2560.04
7	Black	Win	Kataoka Mitsuaki	2250.51
8	White	Draw	Iio Yoshihiro	2507.02
9	Black	Loss	Yamaguchi Yusui	2581.84
46th Meijinsen Qualification Tokai area, Final round
Date	2008-05-18		Rating	2407.80
Round	Color	Result	Opponent
	Black	Win	Maruyama Yasushi	2208.43
	Black	Win	Miyoshi Takeo	2261.93
	Black	Win	Yamamoto Yasuhiro	2106.07
Team World Championship 2008
Date	2008-05-02		Rating	2408.15
Round	Color	Result	Opponent
1	White	Win	Kolouchová Monika	2363.09
2	White	Loss	Salnikov Pavel	2538.89
3	White	Loss	Wu Di	2694.66
4	White	Win	Carlsson Martin	2375.96
5	White	Draw	Kadulin Alexander	2571.10
7	White	Draw	Oll Aivo	2727.76
8	White	Win	Ikonen Jussi	2262.08
9	White	Loss	Kolesnik Vladimir	2241.18
46th Meijinsen Qualification Tokai area 1st round
Date	2008-04-20		Rating	2407.66
Round	Color	Result	Opponent
	Black	Win	Yamamoto Yasuhiro	2107.10
	Black	Win	Maruyama Yasushi	2201.10
	Black	Win	Miyazu Goichi	1824.54
	Black	Win	Kamikubo Mineo	1882.97
3rd All Japan Championship
Date	2008-03-23		Rating	2405.06
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2098.02
2	White	Loss	Tanizaki Ryusuke	2121.56
3	White	Win	Nakayama Tomoharu	2231.22
4	White	Win	Tadokoro Hosai	1926.68
5	Black	Win	Tamada Yoichi	2207.23
6	White	Win	Iio Yoshihiro	2524.07
33rd Tokai Championship final match
Date	2008-02-17		Rating	2403.59
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2281.39
2	White	Win	Miyoshi Takeo	2281.39
3	Black	Win	Miyoshi Takeo	2281.39
8th Kanto Renju Emperor Tournament 2nd round
Date	2007-12-16		Rating	2400.98
Round	Color	Result	Opponent
1	White	Win	Okabe Hiroshi	2655.85
2	White	Loss	Ono Takayuki	2386.28
3	Black	Win	Isobe Taizan	2435.33
4	Black	Loss	Nakamura Shigeru	2857.33
5	White	Loss	Kurata Kiyotaka	2275.16
33rd Tokai Championship 2nd round
Date	2007-11-18		Rating	2399.50
Round	Color	Result	Opponent
	White	Win	Miyoshi Takeo	2293.57
	Black	Loss	Yamamoto Yasuhiro	2098.06
	Black	Win	Maruyama Yasushi	2171.48
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2398.92
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2117.57
2	Black	Win	Watanabe Tatsuya	2139.73
3	Black	Win	Maruta Koji	2098.12
4	Black	Win	Kurata Kiyotaka	2275.72
5	Black	Win	Ono Takayuki	2378.63
World Championship 2007, BT
Date	2007-08-15		Rating	2387.86
Round	Color	Result	Opponent
1	White	Win	Skuridin Alexey	2430.07
2	White	Loss	Lu Wei-Yuan	2452.71
3	Black	Loss	Qiu Yunfei	2494.89
4	White	Win	Andersson Tord	2352.34
5	White	Win	Pushkaryov Dmitry	2092.56
6	White	Win	Dvoeglazov Vladimir	2373.16
7	Black	Loss	Sorokina Oksana	2486.87
8	White	Loss	Ikonen Jussi	2264.20
9	White	Loss	Oosumi Yuuki	2550.53
World Championship 2007, QT
Date	2007-08-08		Rating	2387.03
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2539.34
2	White	Loss	Karasyov Maxim	2498.63
3	White	Loss	Li Shih-Wen	2398.27
4	White	Win	Ikonen Jussi	2263.54
5	White	Loss	Eriksson Bjorn	2345.63
6	White	Win	Eged Igor	2295.61
7	White	Win	Lillemets Rauni	2118.78
45th Meijinsen Qualification Tokai area final round
Date	2007-05-20		Rating	2384.79
Round	Color	Result	Opponent
	White	Loss	Miyoshi Takeo	2296.24
	Black	Win	Yamamoto Yasuhiro	2081.07
	Black	Win	Ooura Tadahito	2027.36
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2384.96
Round	Color	Result	Opponent
1	Black	Win	Tanizaki Ryusuke	2142.06
2	White	Loss	Sato Kiyotomi	2420.69
3	Black	Win	Ono Takayuki	2346.02
4	White	Win	Kubo Izumi	2100.29
5	Black	Win	Arita Nobuyoshi	2366.30
45th Meijinsen Qualification Tokai area - 1st round
Date	2007-04-15		Rating	2383.29
Round	Color	Result	Opponent
1	Black	Win	Kugizaki Michihiko	1844.33
2	Black	Draw	Miyoshi Takeo	2290.33
3	Black	Win	Kamikubo Mineo	1870.21
4	White	Win	Ooura Tadahito	2030.13
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2381.43
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2102.87
2	Black	Draw	Sakamoto Suzan	2297.69
3	Black	Loss	Ono Takayuki	2342.64
4	White	Loss	Sato Kiyotomi	2424.88
5	Black	Win	Kato Yasuhiro	1963.81
6	Black	Win	Mitsumori Masao	2266.36
32nd Tokai Championship - Final Match
Date	2007-02-11		Rating	2380.14
Round	Color	Result	Opponent
1	Black	Win	Miyoshi Takeo	2281.86
2	White	Win	Miyoshi Takeo	2281.86
32nd Tokai Championship - 2nd round
Date	2006-11-26		Rating	2371.59
Round	Color	Result	Opponent
	White	Win	Miyazu Goichi	1819.74
	White	Win	Maruyama Yasushi	2148.52
	White	Draw	Miyoshi Takeo	2282.67
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2362.92
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2300.22
2	White	Loss	Yamaguchi Yusui	2637.90
3	Black	Loss	Sato Kiyotomi	2441.95
4	Black	Draw	Nagao Noriaki	2242.79
5	White	Loss	Iio Yoshihiro	2512.36
6	Black	Loss	Kawamura Norihiko	2665.59
7	Black	Loss	Okabe Hiroshi	2601.60
8	White	Win	Fujii Naoki	2136.89
9	White	Loss	Oosumi Yuuki	2454.48
Asian Championship 2006
Date	2006-08-15		Rating	2362.87
Round	Color	Result	Opponent
1	Black	Loss	Park Jeong Ho	2388.05
2	Black	Loss	Kubo Izumi	2100.40
3	White	Win	Kang Bo-Ra	1748.07
4	White	Win	Mitsumori Masao	2244.68
5	White	Win	Chang Jae-Won	2018.20
6	White	Win	Park Eol	2255.83
7	White	Loss	Iio Yoshihiro	2511.58
8	White	Loss	Lee Jo-Sub	2330.17
Meijin-sen Qual, Tokai area final round
Date	2006-06-11		Rating	2372.12
Round	Color	Result	Opponent
	Black	Loss	Shinoda Kiyoshi	2357.23
	Black	Win	Miyoshi Takeo	2273.16
	Black	Win	Maruyama Yasushi	2150.77
Meijin-sen Qual, Tokai area 1st round
Date	2006-05-21		Rating	2374.97
Round	Color	Result	Opponent
1	Black	Win	Takatsu Hitoshi	1922.82
2	White	Draw	Shinoda Kiyoshi	2356.91
3	Black	Win	Suzuki Junichiro	1861.82
4	White	Win	Yamamoto Yasuhiro	2062.52
31st Tokai Championship - Final Match
Date	2006-02-12		Rating	2385.72
Round	Color	Result	Opponent
1	Black	Loss	Shinoda Kiyoshi	2350.47
2	White	Win	Shinoda Kiyoshi	2350.47
3	Black	Draw	Shinoda Kiyoshi	2350.47
4	White	Win	Shinoda Kiyoshi	2350.47
31st Tokai Championship - Semi final
Date	2005-11-20		Rating	2392.16
Round	Color	Result	Opponent
	White	Loss	Shinoda Kiyoshi	2347.73
	Black	Win	Miyoshi Takeo	2278.92
	Black	Draw	Yamamoto Yasuhiro	2052.06
37th Kyoto Classified - Special class
Date	2005-11-13		Rating	2393.16
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2593.28
2	White	Win	Sakamoto Suzan	2285.80
3	Black	Loss	Miyoshi Takeo	2279.56
4	White	Win	Adachi Yasuhiro	2049.09
5	Black	Win	Miyagawa Junzo	2251.24
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2398.70
Round	Color	Result	Opponent
1	White	Loss	Matsuura Hiroshi	2349.52
2	Black	Draw	Oosumi Yuuki	2392.10
3	White	Draw	Okabe Hiroshi	2589.47
4	White	Win	Kawate Kozo	2173.23
5	Black	Win	Takashima Junya	2509.70
6	White	Loss	Hasegawa Kazuto	2702.73
7	White	Win	Tanaka Koichi	2333.45
8	Black	Loss	Yamaguchi Yusui	2589.53
9	White	Loss	Sato Kiyotomi	2392.45
World Championship 2005, BT
Date	2005-08-05		Rating	2403.04
Round	Color	Result	Opponent
1	Black	Draw	Kudomi Takahiro	2295.53
2	White	Win	Kubo Izumi	2142.68
3	White	Win	Balabhai Viktor	2369.16
4	White	Draw	Oblikas Mikk	2262.27
5	Black	Win	Sandstrom Richard	2269.62
6	White	Win	Kozhin Mikhail	2551.03
7	Black	Win	Maximov Nikolay	2163.15
8	Black	Loss	Yamaguchi Yusui	2580.37
9	White	Loss	Ilu Timo	2580.78
World Championship 2005, QT
Date	2005-07-31		Rating	2402.98
Round	Color	Result	Opponent
1	Black	Draw	Ilu Timo	2580.22
2	Black	Loss	Karlsson Stefan	2544.73
3	White	Win	Poghosyan Albert	2377.13
4	Black	Loss	Oll Aivo	2554.94
5	White	Win	Nowakowski Maciej	2404.73
6	White	Loss	Chen Ko-Han	2504.98
7	White	Win	Wang Chih-Kung	2206.41
43rd Meijinsen Qualification: Tokai area - 2nd round
Date	2005-06-12		Rating	2399.72
Round	Color	Result	Opponent
	Black	Win	Miyoshi Takeo	2277.75
	Black	Draw	Shinoda Kiyoshi	2328.32
	Black	Win	Yamamoto Yasuhiro	2044.04
22nd Kanto Championship
Date	2005-05-22		Rating	2397.51
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	1949.52
2	White	Win	Watanabe Tatsuya	2105.35
3	Black	Loss	Kawamura Norihiko	2692.37
4	White	Win	Sato Kiyotomi	2394.27
5	Black	Win	Maruta Koji	2156.77
43rd Meijinsen Qualification: Tokai-area 1st round
Date	2005-05-15		Rating	2396.18
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1824.59
2	Black	Win	Saito Syuichi	2070.81
3	Black	Win	Miyoshi Takeo	2275.92
4	White	Win	Yamamoto Yasuhiro	2044.22
The 3rd Shanghai Renju Meijin Invitation Tournament
Date	2005-05-04		Rating	2393.33
Round	Color	Result	Opponent
1	Black	Win	Wu Jie	2235.57
2	Black	Draw	Chen Wenxia	2456.82
3	Black	Loss	Yamaguchi Yusui	2559.66
4	Black	Loss	Isobe Taizan	2466.16
5	Black	Win	Gu Gongbo	2117.17
6	Black	Loss	Xue Wenxi	2394.61
7	Black	Win	Tao Junfeng	1873.72
Japan WC Qualification tournament
Date	2005-04-03		Rating	2387.29
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2024.98
2	Black	Win	Miyagawa Sou	2128.88
3	Black	Win	Kubo Izumi	2170.76
4	White	Loss	Miyagawa Junzo	2253.60
5	Black	Loss	Yamaguchi Yusui	2556.95
6	Black	Win	Mitsumori Masao	2256.87
30th Tokai Championship - Final match
Date	2005-01-16		Rating	2381.86
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2148.45
2	White	Win	Maruyama Yasushi	2148.45
3	Black	Draw	Maruyama Yasushi	2148.45
30th Tokai Championship - 2nd round
Date	2004-11-21		Rating	2380.26
Round	Color	Result	Opponent
	White	Win	Yamamoto Hukue	1628.98
	White	Win	Miyoshi Takeo	2257.08
	White	Draw	Maruyama Yasushi	2145.47
The 42nd Meijin-sen Tournament
Date	2004-09-20		Rating	2378.16
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2656.64
2	White	Loss	Saito Koji	2192.40
3	White	Loss	Matsuura Hiroshi	2405.38
4	Black	Win	Iio Yoshihiro	2456.77
5	White	Win	Takagawa Teiji	2336.75
6	Black	Draw	Okabe Hiroshi	2563.83
7	White	Loss	Kawamura Norihiko	2721.28
8	Black	Loss	Sakamoto Suzan	2292.71
9	White	Win	Sakashita Shoichi	2205.81
42nd Meijinsen Qualification: Tokai 2nd round
Date	2004-06-13		Rating	2380.85
Round	Color	Result	Opponent
	Black	Win	Shinoda Kiyoshi	2294.29
	Black	Draw	Yamamoto Yasuhiro	2075.90
	Black	Win	Maruyama Yasushi	2132.10
42nd Meijinsen Qualification: Tokai 1st round
Date	2004-05-23		Rating	2380.91
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2242.06
2	Black	Loss	Yamamoto Yasuhiro	2077.79
3	White	Win	Gamano Yutaka	2050.15
4	Black	Draw	Maruyama Yasushi	2132.97
Team World Championship 2004
Date	2004-05-05		Rating	2382.40
Round	Color	Result	Opponent
1	Black	Loss	Andersson Tord	2365.42
3	Black	Draw	Soosõrv Ants	2651.58
4	White	Win	Petrov Boris	2165.25
7	White	Loss	Artemyev Sergey	2571.20
8	White	Win	Karasyov Maxim	2483.93
9	White	Loss	Chingin Konstantin	2741.39
29th Tokai Championship - Final Match
Date	2004-02-08		Rating	2386.68
Round	Color	Result	Opponent
1	Black	Win	Oota Tsuyoshi	2238.72
2	White	Draw	Oota Tsuyoshi	2238.72
3	Black	Draw	Oota Tsuyoshi	2238.72
7th Mikami Cup - Special Class
Date	2004-01-25		Rating	2387.53
Round	Color	Result	Opponent
1	White	Draw	Yamaguchi Yusui	2595.34
2	White	Win	Mitsumori Masao	2261.64
3	Black	Win	Kudomi Takahiro	2323.07
4	Black	Loss	Kawamura Norihiko	2720.36
29th Tokai Championship - 2nd round
Date	2003-11-16		Rating	2384.97
Round	Color	Result	Opponent
	Black	Win	Oota Tsuyoshi	2237.76
	Black	Win	Gamano Yutaka	2063.37
	Black	Loss	Miyoshi Takeo	2233.75
41st Meijin-sen Tournament
Date	2003-09-15		Rating	2384.57
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2627.11
2	Black	Win	Kudomi Takahiro	2341.65
3	Black	Loss	Okabe Hiroshi	2552.21
4	Black	Win	Miyagawa Junzo	2262.23
5	Black	Win	Isobe Taizan	2418.01
6	White	Loss	Matsuura Hiroshi	2409.80
7	Black	Loss	Iio Yoshihiro	2498.31
8	White	Draw	Takashima Junya	2342.54
9	Black	Draw	Kuga Akio	2384.47
World Championship 2003, BT
Date	2003-08-08		Rating	2384.41
Round	Color	Result	Opponent
1	Black	Draw	Purk Andry	2290.28
2	White	Draw	Rybka Aleš	2207.58
3	White	Draw	Chernov Sergey	2343.94
4	White	Win	Tamura Kazumasa	2301.76
5	White	Loss	Kubo Izumi	2226.02
6	White	Win	Smirnov Dmitry	2196.03
7	Black	Win	Mitsumori Masao	2291.15
8	White	Win	Chang Yi-Feng	2463.54
9	White	Loss	Tarannikov Yuriy	2582.69
World Championship 2003, QT
Date	2003-07-31		Rating	2384.17
Round	Color	Result	Opponent
1	Black	Win	Pelikan Alan	1875.69
2	Black	Loss	Makarov Pavel	2517.41
3	White	Win	Lu Wei-Yuan	2209.35
4	White	Win	Chen Ko-Han	2423.31
5	Black	Loss	Iio Yoshihiro	2495.63
6	White	Loss	Pellikka Marko	2291.21
7	Black	Loss	Gardström Petter	2417.29
41th Meijinsen Qualification: Tokai area 2nd round
Date	2003-06-08		Rating	2387.69
Round	Color	Result	Opponent
	Black	Win	Miyoshi Takeo	2240.56
	White	Win	Koide Morihiro	2031.96
	White	Win	Suzuki Junichiro	1852.94
41th Meijinsen Qualification: Tokai area - 1st round
Date	2003-05-18		Rating	2388.01
Round	Color	Result	Opponent
1	White	Win	Miyazu Goichi	1767.74
2	White	Loss	Miyoshi Takeo	2243.68
3	White	Win	Suzuki Junichiro	1852.39
4	Black	Win	Koide Morihiro	2030.83
Japan WC Qualification 2003
Date	2003-03-22		Rating	2392.14
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2181.40
2	White	Win	Hara Masao	2114.23
3	Black	Win	Tamura Kazumasa	2283.62
4	Black	Loss	Okabe Hiroshi	2527.89
5	White	Loss	Nara Hideki	2590.53
28th Tokai Championship - Final Match
Date	2003-01-19		Rating	2395.32
Round	Color	Result	Opponent
1	Black	Win	Miyoshi Takeo	2243.04
2	White	Win	Miyoshi Takeo	2243.04
40th Meijin-sen Tournament
Date	2002-09-16		Rating	2393.56
Round	Color	Result	Opponent
1	Black	Win	Nishimura Toshio	2355.16
2	White	Win	Iio Yoshihiro	2434.08
3	Black	Draw	Takagawa Teiji	2361.00
4	White	Loss	Okabe Hiroshi	2476.51
5	White	Draw	Matsuura Hiroshi	2314.86
6	White	Loss	Isobe Taizan	2447.93
7	Black	Draw	Yamaguchi Yusui	2591.75
8	White	Loss	Hasegawa Kazuto	2593.02
9	Black	Loss	Kudomi Takahiro	2394.60
40th Meijinsen Qualification: Tokai 2nd round
Date	2002-06-09		Rating	2397.03
Round	Color	Result	Opponent
	Black	Draw	Miyoshi Takeo	2237.00
	Black	Win	Maruyama Yasushi	2184.90
	Black	Win	Takazawa Nagayoshi	2076.23
40th Meijinsen Qualification Tokai area 1st-Round
Date	2002-05-19		Rating	2397.42
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2186.48
2	Black	Win	Miyazu Goichi	1787.15
3	Black	Win	Yamamoto Yasuhiro	2023.95
4	Black	Win	Takazawa Nagayoshi	2077.03
33rd Kyoto Classified - special class
Date	2001-11-11		Rating	2400.94
Round	Color	Result	Opponent
1	White	Loss	Doi Manabu	2117.47
2	Black	Win	Kimura Shin	1910.35
3	Black	Draw	Hayakawa Yoshimi	2419.45
4	White	Win	Adachi Yasuhiro	2006.78
5	Black	Loss	Hasegawa Kazuto	2580.17
World Championship 2001, AT
Date	2001-08-12		Rating	2411.97
Round	Color	Result	Opponent
1	White	Loss	Meritee Ando	2860.58
2	White	Loss	Nara Hideki	2542.01
3	White	Win	Kim Byoung-Jun	2454.89
4	White	Draw	Soosõrv Ants	2605.57
5	Black	Draw	Gardström Petter	2515.71
6	Black	Loss	Sinyov Igor	2649.28
7	Black	Win	Gaulitz Joachim	2421.23
8	White	Loss	Karlsson Stefan	2509.91
9	White	Win	Lin Sheng-Min	2206.07
10	Black	Loss	Nikonov Konstantin	2493.32
11	Black	Draw	Sushkov Vladimir	2691.26
Japan WC Qualification tournament
Date	2001-03-24		Rating	2418.12
Round	Color	Result	Opponent
1	Black	Win	Iwata Akihisa	2198.68
2	Black	Win	Sunagawa Shouki	2224.43
3	Black	Win	Miyoshi Takeo	2194.02
4	White	Win	Nara Hideki	2558.29
5	Black	Win	Kusajima Masato	2387.13
6	White	Loss	Hasegawa Kazuto	2564.58
7	Black	Win	Mitsumori Masao	2299.45
38th Meijinsen Qualification: Tokai 2nd round
Date	2000-06-11		Rating	2371.35
Round	Color	Result	Opponent
	White	Loss	Maruyama Yasushi	2252.90
	White	Loss	Saito Koji	2258.63
	Black	Win	Miyoshi Takeo	2175.75
38th Meijinsen Qualification: Tokai 1st round
Date	2000-05-21		Rating	2370.43
Round	Color	Result	Opponent
1	White	Loss	Saito Koji	2258.26
2	Black	Win	Miyoshi Takeo	2174.79
3	Black	Win	Suzuki Toyoshige	1938.18
4	Black	Win	Maruyama Yasushi	2251.47
“Compaq Cup” International Invitational Tournament
Date	1997-05-10		Rating	2321.66
Round	Color	Result	Opponent
1	Black	Win	Deng Jinghui	2122.12
2	Black	Loss	Mitsumori Masao	2326.85
3	White	Win	Chen Lung-Chuan	1888.53
4	Black	Win	Li Dong	2109.92
5	White	Loss	Holgersson Goran	2332.11
6	White	Draw	Yin Licheng	2148.39
7	Black	Win	Isobe Taizan	2428.66
8	Black	Win	Chung Hsien-Chi	2004.38
9	White	Loss	Karlsson Stefan	2430.54
Kyoto - 1200
Date	1994-08-07		Rating	2302.26
Round	Color	Result	Opponent
1	Black	Win	Chung Hsien-Chi	1895.76
2	Black	Draw	Dvoeglazov Vladimir	2269.29
3	Black	Win	Jonsson Peter	2097.82
4	Black	Draw	Isobe Taizan	2416.79
5	Black	Win	Doi Manabu	2129.09
6	White	Draw	Nishimura Toshio	2362.54
7	Black	Draw	Fujimoto K	2300.60
World Championship 1993, BT
Date	1993-08-12		Rating	2263.79
Round	Color	Result	Opponent
	White	Win	Matyuk Valeri	2178.08
	White	Draw	Fedorkin Oleg	2281.83
	White	Loss	Veidemanis Arnis	2390.88
	Black	Draw	Milevsky Alexander	2312.78
	White	Win	Johannesson Rickard	2125.21
	White	Loss	Chernov Sergey	2162.40