Ishitani Shin-ichi (石谷信一)

Place: Fuji, Japan

Rating: 2347.72, Std: 63.57, Rank: 266

First game: 1993-08-12, Last game: 2026-04-05

Top rating: 2457.85 (2014-05-11)

Games: 1201, Wins: 609, Draws: 139, Losses: 453

Gy1: 67, Gy2: 125, Gy5: 263

43rd Kanto Championship
Date	2026-04-05		Rating	2347.72
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2769.47
2	Black	Win	Suzuki Yoshitaka	2040.63
3	Black	Loss	Tanaka Shotaro	2363.92
4	Black	Loss	Matsuda Shoma	2590.12
5	Black	Win	Tamura Kazumasa	2356.70
6	White	Win	Ro Hayou	1912.95
17th Tohoku Championshp
Date	2026-03-15		Rating	2347.77
Round	Color	Result	Opponent
1	Black	Loss	Yoshikawa Tomoki	2492.32
2	Black	Loss	Miyamoto Syunju	2353.71
3	Black	Win	Hirono Masakazu	1949.06
4	Black	Loss	Okabe Hiroshi	2768.56
5	Black	Loss	Kusajima Masato	2231.52
20th All Japan Championship
Date	2026-02-23		Rating	2351.03
Round	Color	Result	Opponent
1	Black	Loss	Matsuda Shoma	2595.19
2	White	Win	Suzuki Yoshitaka	2041.57
3	White	Win	Miyamoto Syunju	2349.21
4	White	Loss	Fujita Maiko	2491.19
5	Black	Loss	Tachi Masaya	2502.07
6	Black	Win	Tamura Kazumasa	2359.72
51 Tokai Championship final match
Date	2026-02-15		Rating	2352.03
Round	Color	Result	Opponent
1	White	Win	Tamura Kazumasa	2360.52
2	White	Loss	Tamura Kazumasa	2360.52
3	Black	Draw	Tamura Kazumasa	2360.52
4	Black	Loss	Tamura Kazumasa	2360.52
5th Masters Renju Tournament
Date	2026-01-25		Rating	2355.68
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2135.38
2	Black	Win	Miyamoto Syunju	2345.20
3	Black	Loss	Kawamura Norihiko	2518.31
4	Black	Loss	Kuga Akio	2435.17
5	Black	Win	Iwano Fumio	2162.02
29th New Year (Mikami) Cup
Date	2026-01-11		Rating	2357.68
Round	Color	Result	Opponent
S1	Black	Win	Fujita Maiko	2492.75
S2	Black	Loss	Kamiya Shunsuke	2859.99
S3	White	Loss	Okabe Hiroshi	2764.08
S4	Black	Win	Kato Yasuhiro	1992.37
S5	White	Loss	Inoue Fumiya	2588.79
51 Tokai Championship 2nd round
Date	2025-12-21		Rating	2359.63
Round	Color	Result	Opponent
1	Black	Draw	Takazawa Nagayoshi	2294.09
2	Black	Win	Mano Yoshihisa	2224.56
3	Black	Draw	Tamura Kazumasa	2363.59
57 Kyoto Classified Tournament
Date	2025-11-22		Rating	2361.60
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2503.70
2	White	Loss	Takashima Junya	2398.66
3	White	Win	Hata Masayuki	2169.67
4	Black	Draw	Hasegawa Kazuto	2388.80
5	Black	Win	Yoshida Hisao	2177.20
26 Kanto Renju Emperor Tournament Qualification round
Date	2025-10-19		Rating	2364.70
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2655.55
2	White	Win	Su Lide	1843.64
3	Black	Win	Miyamoto Syunju	2324.54
4	Black	Loss	Inoue Fumiya	2580.77
39 Aomori Championship
Date	2025-06-28		Rating	2373.64
Round	Color	Result	Opponent
1	Black	Win	Tanno Yoshitaka	2077.68
2	Black	Win	Miyamoto Syunju	2317.12
3	Black	Win	Ooshina Seiichi	1902.38
4	Black	Draw	Gakumazawa Hideaki	2127.78
5	Black	Win	Kawaai Hitoshi	2061.89
42nd Kanto Championship
Date	2025-06-28		Rating	2373.64
Round	Color	Result	Opponent
1	Black	Win	Kasahara Reiko	1822.28
2	Black	Loss	Tachi Masaya	2508.20
3	Black	Win	Yoshikawa Tomoki	2399.09
4	White	Win	Miyamoto Syunju	2317.12
5	Black	Loss	Okabe Hiroshi	2747.95
6	White	Loss	Matsuda Shoma	2621.82
19th All Japan Championship
Date	2025-06-28		Rating	2373.64
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2867.44
2	Black	Win	Maruta Koji	2186.07
3	Black	Loss	Yoshikawa Tomoki	2399.09
4	Black	Loss	Tanaka Shotaro	2354.89
5	Black	Draw	Kawaai Hitoshi	2061.89
6	Black	Win	Suzuki Yoshitaka	2027.33
63 Meijinsen Qualification Tokai area 2nd round
Date	2025-06-15		Rating	2374.92
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2257.48
2	Black	Draw	Takazawa Nagayoshi	2271.93
3	Black	Loss	Yamamoto Yasuhiro	2175.14
63 Meijinsen Qualification Hamamatsu area 1st round
Date	2025-05-18		Rating	2382.54
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2175.16
2	Black	Win	Fukada Ren	2127.71
3	Black	Win	Takazawa Nagayoshi	2267.81
4	White	Win	Kawada Miki	1862.11
4th Masters Renju Tournament
Date	2025-03-23		Rating	2392.76
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2201.00
2	White	Win	Miyamoto Syunju	2314.81
3	Black	Draw	Kuga Akio	2431.01
4	Black	Win	Mano Yoshihisa	2265.34
5	Black	Win	Maruta Koji	2190.33
16th Tohoku Championship
Date	2025-03-09		Rating	2393.36
Round	Color	Result	Opponent
1	Black	Loss	Shimura Hiroki	2246.36
2	Black	Win	Gakumazawa Hideaki	2122.09
3	White	Loss	Miyamoto Syunju	2316.20
5	White	Win	Fujita Maiko	2480.81
50 Tokai Championship final match
Date	2025-02-16		Rating	2395.46
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2269.26
2	White	Loss	Mano Yoshihisa	2269.26
3	Black	Win	Mano Yoshihisa	2269.26
28th New Year (Mikami) Cup
Date	2025-01-19		Rating	2398.33
Round	Color	Result	Opponent
S1	White	Loss	Tanaka Shotaro	2357.52
S2	Black	Draw	Matsuda Shoma	2561.73
S3	Black	Win	Kawaai Hitoshi	2060.77
S4	White	Loss	Okabe Hiroshi	2742.85
50 Tokai Championship 2nd round
Date	2024-12-15		Rating	2403.21
Round	Color	Result	Opponent
1	Black	Draw	Shimura Hiroki	2223.06
2	Black	Loss	Mano Yoshihisa	2276.16
3	Black	Win	Maruyama Yasushi	2200.12
56 Kyoto Classified Tournament
Date	2024-11-23		Rating	2407.93
Round	Color	Result	Opponent
1	White	Loss	Yoshida Hisao	2173.00
2	White	Win	Hata Masayuki	2153.98
3	Black	Win	Horikawa Yasuto	1820.78
4	Black	Win	Tachi Masaya	2568.31
5	Black	Loss	Makino Mitsunori	2649.87
Kyushu Championship 2024
Date	2024-11-17		Rating	2409.26
Round	Color	Result	Opponent
1	Black	Win	Kawaai Hitoshi	2058.83
2	White	Loss	Kawano Takahisa	2553.56
3	Black	Win	Yamane Tomohiro	2051.78
4	White	Win	Kuga Akio	2424.05
50 Tokai Championship 1st round Hamamatsu area
Date	2024-11-10		Rating	2410.46
Round	Color	Result	Opponent
1	Black	Win	Fukada Ren	2111.21
2	Black	Win	Yamamoto Yasuhiro	2174.45
3	Black	Win	Shimura Hiroki	2214.88
4	White	Win	Takazawa Nagayoshi	2253.60
62nd Meijinsen Tournament
Date	2024-10-14		Rating	2412.41
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2580.05
2	Black	Win	Matsuda Shoma	2526.74
3	Black	Win	Yamane Tomohiro	2055.67
4	White	Draw	Kuga Akio	2423.05
5	Black	Loss	Kawano Takahisa	2551.72
6	White	Loss	Inoue Fumiya	2535.61
7	Black	Loss	Okabe Hiroshi	2753.34
8	White	Draw	Makino Mitsunori	2652.78
9	Black	Loss	Nakayama Tomoharu	2800.67
41st Kanto Championship
Date	2024-07-21		Rating	2419.02
Round	Color	Result	Opponent
1	Black	Loss	Yamamoto Ousuke	2113.58
2	White	Win	Yoshikawa Tomoki	2258.83
3	White	Win	Maruta Hiroki	2266.38
4	Black	Draw	Tanaka Shotaro	2337.56
5	White	Win	Inoue Fumiya	2522.42
6	Black	Draw	Okabe Hiroshi	2751.48
38 Aomori Championship
Date	2024-06-29		Rating	2419.20
Round	Color	Result	Opponent
2	White	Win	Gakumazawa Hideaki	2121.38
3	Black	Win	Kawaai Hitoshi	2035.71
4	Black	Loss	Tanno Yoshitaka	2066.72
5	White	Draw	Miyamoto Syunju	2355.82
62 Meijinsen Qualification Tokai area 2nd round
Date	2024-06-16		Rating	2420.34
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2174.67
2	Black	Win	Fukada Ren	2117.15
3	White	Win	Mano Yoshihisa	2250.79
62 Meijinsen Qualification Hamamatsu area 1st round
Date	2024-05-19		Rating	2420.90
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2170.47
2	White	Win	Takazawa Nagayoshi	2260.83
3	Black	Loss	Fukada Ren	2119.08
4	Black	Win	Kato Daisuke	1992.04
15th Tohoku Championship
Date	2024-03-31		Rating	2423.48
Round	Color	Result	Opponent
1	Black	Win	Gakumazawa Hideaki	2112.30
2	Black	Win	Kusajima Masato	2267.27
3	Black	Win	Kawaai Hitoshi	2035.75
4	Black	Win	Fujita Maiko	2427.69
5	Black	Loss	Miyamoto Syunju	2368.21
3rd Masters Renju Tournament
Date	2024-03-24		Rating	2423.49
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2161.75
2	White	Win	Takazawa Nagayoshi	2266.07
3	White	Win	Sakamoto Suzan	2207.14
4	Black	Win	Iwano Fumio	2249.46
5	Black	Win	Miyamoto Syunju	2367.11
49 Tokai Championship final match
Date	2024-02-18		Rating	2418.19
Round	Color	Result	Opponent
1	Black	Loss	Makino Mitsunori	2644.67
2	Black	Loss	Makino Mitsunori	2644.67
18th All Japan Championship
Date	2024-02-12		Rating	2417.57
Round	Color	Result	Opponent
1	Black	Win	Kawaai Hitoshi	2038.07
2	Black	Loss	Fukui Nobuhiro	2480.38
3	Black	Loss	Maruta Koji	2200.79
4	Black	Win	Sakamoto Suzan	2206.82
5	White	Loss	Okabe Hiroshi	2733.21
6	Black	Loss	Maruta Hiroki	2260.78
27th New Year (Mikami) Cup
Date	2024-01-14		Rating	2420.06
Round	Color	Result	Opponent
S1	White	Win	Matsuda Shoma	2445.79
S2	White	Win	Tanaka Shotaro	2328.51
S3	White	Loss	Okabe Hiroshi	2734.04
S4	White	Win	Ono Takayuki	2429.42
S5	Black	Win	Fujita Maiko	2425.73
49 Tokai Championship 2nd round
Date	2023-12-17		Rating	2416.90
Round	Color	Result	Opponent
1	Black	Loss	Makino Mitsunori	2641.30
2	White	Win	Suzuki Masateru	1930.29
3	White	Win	Takazawa Nagayoshi	2279.60
24 Kanto Renju Emperor Tournament Kanto area 1st round
Date	2023-11-19		Rating	2413.26
Round	Color	Result	Opponent
1	Black	Win	Suenaga Daiki	2157.05
2	White	Win	Fujita Maiko	2426.16
3	Black	Loss	Nakayama Tomoharu	2793.14
4	Black	Loss	Makino Mitsunori	2639.64
55 Kyoto Classified Tournament
Date	2023-11-11		Rating	2411.87
Round	Color	Result	Opponent
1	Black	Win	Hata Masayuki	2127.73
2	White	Win	Tanaka Shotaro	2323.04
3	Black	Loss	Tachi Masaya	2596.33
4	Black	Loss	Makino Mitsunori	2639.02
5	Black	Loss	Hasegawa Kazuto	2540.77
40th Kanto Championship
Date	2023-07-09		Rating	2393.73
Round	Color	Result	Opponent
1	White	Draw	Miyamoto Syunju	2316.47
2	White	Win	Tanaka Shotaro	2331.20
3	Black	Draw	Ono Takayuki	2437.05
4	White	Win	Makino Mitsunori	2627.78
5	Black	Loss	Inoue Fumiya	2538.62
6	White	Loss	Okabe Hiroshi	2718.91
61 Meijinsen Qualification Tokai area 2nd round
Date	2023-06-25		Rating	2390.58
Round	Color	Result	Opponent
1	Black	Loss	Takazawa Nagayoshi	2301.48
2	White	Loss	Maruyama Yasushi	2272.52
3	White	Win	Kato Daisuke	1997.47
61 Meijinsen Qualification Hamamatsu area 1st round
Date	2023-05-21		Rating	2387.35
Round	Color	Result	Opponent
1	Black	Win	Fukada Ren	2067.28
2	Black	Win	Maruyama Yasushi	2273.68
3	Black	Loss	Takazawa Nagayoshi	2304.11
4	White	Win	Kato Daisuke	2001.41
2nd Masters Renju Tournament
Date	2023-04-23		Rating	2384.89
Round	Color	Result	Opponent
1	Black	Loss	Miyamoto Syunju	2296.23
2	Black	Win	Iwano Fumio	2208.55
3	Black	Loss	Takazawa Nagayoshi	2304.55
4	Black	Draw	Hasegawa Kazuto	2579.03
5	White	Win	Yamamoto Yasuhiro	2170.78
6	Black	Win	Tomobe Katsuhiro	2105.00
17th All Japan Championship
Date	2023-03-19		Rating	2383.08
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Ousuke	2033.80
2	Black	Loss	Okabe Hiroshi	2707.52
3	White	Loss	Takazawa Nagayoshi	2297.90
4	Black	Loss	Maruta Hiroki	2209.95
5	Black	Win	Suzuki Yoshitaka	2005.67
6	Black	Win	Toyo Koryu	2214.97
48 Tokai Championship final match
Date	2023-02-19		Rating	2384.71
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2177.31
2	Black	Win	Yamamoto Yasuhiro	2177.31
26th New Year (Mikami) Cup
Date	2023-01-15		Rating	2384.94
Round	Color	Result	Opponent
S1	White	Loss	Inoue Fumiya	2542.07
S2	Black	Loss	Fujita Maiko	2434.16
S4	Black	Win	Okabe Hiroshi	2700.23
S5	Black	Win	Takazawa Nagayoshi	2281.06
48 Tokai Championship 2nd round
Date	2022-12-18		Rating	2383.58
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2192.12
2	Black	Win	Yamamoto Yasuhiro	2187.10
3	Black	Draw	Maruyama Yasushi	2269.94
48 Tokai Championship 1st round Hamamatsu area
Date	2022-11-20		Rating	2381.17
Round	Color	Result	Opponent
1	White	Win	Takazawa Nagayoshi	2266.14
2	Black	Win	Yamamoto Yasuhiro	2188.71
3	Black	Win	Maruyama Yasushi	2269.47
4	Black	Win	Kato Daisuke	2001.53
54 Kyoto Classified Tournament
Date	2022-11-12		Rating	2379.57
Round	Color	Result	Opponent
S1	Black	Win	Hata Masayuki	2130.33
S2	Black	Win	Sakamoto Suzan	2229.47
S3	Black	Loss	Makino Mitsunori	2634.79
S4	Black	Loss	Inoue Fumiya	2535.72
S5	Black	Loss	Hasegawa Kazuto	2610.29
23 Renju Emperor Tournament Kanto area 1st round
Date	2022-11-06		Rating	2378.49
Round	Color	Result	Opponent
1	White	Win	Tanaka Shotaro	2334.37
2	Black	Loss	Inoue Fumiya	2535.27
3	Black	Loss	Yokoyama Shota	2479.54
4	Black	Win	Shimura Hiroki	2172.22
60th Meijinsen Tournament
Date	2022-09-19		Rating	2369.78
Round	Color	Result	Opponent
1	White	Draw	Kawamoto Shoma	2329.15
2	Black	Loss	Hasegawa Kazuto	2613.54
3	White	Loss	Nagasoe Hiroki	2662.57
4	Black	Loss	Makino Mitsunori	2634.29
5	Black	Win	Miyamoto Syunju	2261.36
6	White	Loss	Kuga Akio	2414.43
7	Black	Loss	Nakayama Tomoharu	2813.82
8	Black	Loss	Okabe Hiroshi	2707.92
9	Black	Loss	Ono Takayuki	2430.06
39 Kanto Championship
Date	2022-07-31		Rating	2367.87
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Ousuke	2015.84
2	Black	Win	Kawaai Hitoshi	2075.30
3	Black	Win	Maruta Koji	2182.32
4	Black	Loss	Okabe Hiroshi	2708.58
5	Black	Loss	Ono Takayuki	2434.07
6	Black	Loss	Fujita Maiko	2429.90
60 Meijinsen Qualification Tokai area 2nd round
Date	2022-06-26		Rating	2368.13
Round	Color	Result	Opponent
1	Black	Loss	Maruyama Yasushi	2269.35
2	White	Win	Yamamoto Yasuhiro	2193.16
3	Black	Win	Oomura Shu	2388.00
ex	Black	Win	Oomura Shu	2388.00
60th Meijinsen Tournament Tokai area 1st round
Date	2022-05-15		Rating	2365.24
Round	Color	Result	Opponent
1	White	Win	Takazawa Nagayoshi	2234.26
2	White	Win	Yamamoto Yasuhiro	2193.99
3	Black	Win	Maruyama Yasushi	2270.74
4	White	Win	Kato Daisuke	1992.07
5	Black	Win	Fukada Ren	2060.56
47 Tokai Championship final match
Date	2022-03-20		Rating	2353.86
Round	Color	Result	Opponent
1	White	Loss	Oomura Shu	2393.71
2	Black	Loss	Oomura Shu	2393.71
47 Tokai Championship 2nd round
Date	2021-12-19		Rating	2344.32
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2280.87
2	Black	Loss	Oomura Shu	2387.58
3	Black	Draw	Yamamoto Yasuhiro	2201.81
13th Tohoku Championship
Date	2021-12-12		Rating	2343.76
Round	Color	Result	Opponent
1	Black	Loss	Fujita Maiko	2387.57
2	Black	Loss	Miyamoto Syunju	2251.81
3	Black	Win	Kawaai Hitoshi	2035.53
4	Black	Win	Kusajima Masato	2228.31
22 Renju Emperor Tournament Kanto area 1st round
Date	2021-11-21		Rating	2343.43
Round	Color	Result	Opponent
1	Black	Win	Tanizaki Ryusuke	2046.47
2	White	Win	Fujikawa Masaki	2170.91
3	White	Loss	Nagasoe Hiroki	2661.15
4	Black	Win	Tanaka Shotaro	2296.39
53 Kyoto Classified Tournament
Date	2021-11-13		Rating	2342.67
Round	Color	Result	Opponent
S1	Black	Loss	Maruta Hiroki	2270.76
S2	White	Loss	Hata Masayuki	2159.47
S3	Black	Win	Hayashi Shoichi	2162.40
S4	White	Win	Iio Yoshihiro	2400.09
S5	Black	Loss	Kawamura Norihiko	2638.70
38 Kanto Championship
Date	2021-08-08		Rating	2340.49
Round	Color	Result	Opponent
1	White	Win	Shimura Hiroki	2072.48
2	Black	Loss	Okabe Hiroshi	2711.80
3	Black	Loss	Maruta Hiroki	2267.60
4	Black	Win	Kobayashi Nanako	2018.10
5	Black	Draw	Suenaga Daiki	2265.51
6	White	Loss	Nagasoe Hiroki	2655.44
59 Meijinsen Qualification Tokai area 2nd round
Date	2021-06-27		Rating	2342.54
Round	Color	Result	Opponent
1	Black	Loss	Maruyama Yasushi	2309.38
2	White	Win	Yamamoto Yasuhiro	2209.95
3	Black	Draw	Takazawa Nagayoshi	2199.09
59 Meijinsen Qualification Hamamatsu area 1st round
Date	2021-05-16		Rating	2346.59
Round	Color	Result	Opponent
1	Black	Win	Kamikubo Mineo	1843.71
2	Black	Loss	Maruyama Yasushi	2310.04
3	Black	Win	Fukada Ren	2050.44
4	Black	Win	Takazawa Nagayoshi	2198.54
5	Black	Loss	Kawada Miki	1918.83
16th All Japan Championship
Date	2021-03-28		Rating	2356.57
Round	Color	Result	Opponent
1	Black	Loss	Maruyama Takashi	2065.34
2	Black	Win	Maruta Koji	2131.70
3	Black	Loss	Fujita Maiko	2369.07
4	Black	Win	Suenaga Daiki	2272.57
5	Black	Loss	Makino Mitsunori	2570.44
6	White	Win	Kawaai Hitoshi	2020.07
46 Tokai Championship Final Match
Date	2021-02-21		Rating	2366.93
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2263.38
2	Black	Win	Mano Yoshihisa	2263.38
24th New Year(Mikami)Cup
Date	2021-01-29		Rating	2371.92
Round	Color	Result	Opponent
S1	White	Draw	Makino Mitsunori	2564.01
S2	Black	Win	Ono Takayuki	2398.38
S3	White	Win	Maruta Hiroki	2236.44
S4	Black	Loss	Okabe Hiroshi	2740.89
S5	Black	Win	Maruta Koji	2126.90
46 Tokai Championship 2nd round
Date	2020-12-20		Rating	2375.29
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2295.40
2	Black	Draw	Yamamoto Yasuhiro	2221.58
3	Black	Win	Mano Yoshihisa	2276.17
21 Renju Emperor Tournament Kanto area 1st round
Date	2020-11-15		Rating	2376.14
Round	Color	Result	Opponent
1	White	Win	Fujita Maiko	2372.82
2	Black	Loss	Inoue Fumiya	2471.44
3	Black	Loss	Makino Mitsunori	2546.31
4	White	Win	Suenaga Daiki	2276.96
37 Kanto Championship
Date	2020-08-10		Rating	2376.17
Round	Color	Result	Opponent
1	Black	Win	Kawaai Hitoshi	2017.36
2	Black	Win	Maruyama Takashi	2049.64
3	Black	Loss	Okabe Hiroshi	2738.89
4	Black	Loss	Fujita Maiko	2378.52
5	Black	Win	Shimura Hiroki	1970.71
6	Black	Loss	Maruta Hiroki	2251.43
58 Meijinsen Qualification Tokai area 2nd round
Date	2020-07-19		Rating	2378.48
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2487.61
2	Black	Win	Maruyama Yasushi	2301.58
3	Black	Win	Masuda Taku	2031.30
ex	Black	Loss	Fujita Yudai	2487.61
58 Meijinsen Qualification Hamamatsu area 1st round
Date	2020-06-28		Rating	2381.13
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2219.79
2	Black	Win	Fukada Ren	1991.85
3	Black	Win	Fujita Yudai	2487.84
4	Black	Draw	Maruyama Yasushi	2301.35
5	Black	Win	Takazawa Nagayoshi	2169.82
45 Tokai Championship final match
Date	2020-02-16		Rating	2380.97
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2304.81
2	Black	Win	Mano Yoshihisa	2304.81
23 New Year (Mikami) Cup
Date	2020-01-26		Rating	2379.11
Round	Color	Result	Opponent
A1	Black	Loss	Fujita Maiko	2360.79
A2	Black	Loss	Inoue Fumiya	2422.01
A3	Black	Loss	Ono Takayuki	2398.78
A4	Black	Win	Iwano Fumio	2177.69
A5	Black	Loss	Okabe Hiroshi	2737.72
15th All Japan Championship
Date	2020-01-19		Rating	2379.51
Round	Color	Result	Opponent
1	Black	Loss	Nakayama Tomoharu	2851.00
2	White	Win	Fujita Maiko	2359.82
3	Black	Loss	Nakamura Shigeru	2968.87
4	White	Win	Hata Masayuki	2167.13
5	Black	Loss	Iio Yoshihiro	2402.66
6	Black	Win	Makino Mitsunori	2400.02
45 Tokai Championship 2nd round
Date	2019-12-15		Rating	2378.92
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2291.68
2	Black	Win	Yamamoto Yasuhiro	2228.31
3	Black	Loss	Mano Yoshihisa	2313.62
20 Renju Emperor Tournament 2nd round
Date	2019-12-08		Rating	2378.74
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2972.04
2	Black	Win	Miyamoto Syunju	2301.60
3	Black	Loss	Fujita Maiko	2361.23
4	Black	Loss	Inoue Fumiya	2423.19
5	Black	Loss	Okabe Hiroshi	2734.74
20 Renju Emperor Tournament Kanto area 1st round
Date	2019-11-10		Rating	2380.25
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2139.71
2	White	Loss	Fujita Maiko	2360.93
3	Black	Win	Maruta Koji	2143.92
4	White	Loss	Inoue Fumiya	2424.33
11th Tohoku Championship
Date	2019-10-06		Rating	2384.31
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	2056.50
2	Black	Draw	Gakumazawa Hideaki	2141.65
3	White	Win	Miyamoto Syunju	2297.76
4	Black	Loss	Okabe Hiroshi	2731.87
5	Black	Loss	Kusajima Masato	2244.30
57 Meijinsen Tournament
Date	2019-09-16		Rating	2387.97
Round	Color	Result	Opponent
1	Black	Win	Kawano Takahisa	2464.87
2	Black	Loss	Okabe Hiroshi	2730.28
3	Black	Win	Matsuura Hiroshi	2365.79
4	Black	Loss	Nakayama Tomoharu	2830.97
5	White	Win	Inoue Fumiya	2423.69
6	Black	Loss	Kamiya Shunsuke	2828.70
7	White	Loss	Kawamura Norihiko	2674.67
8	Black	Loss	Hasegawa Kazuto	2617.09
9	White	Loss	Koyama Jun	2616.66
36 Kanto Championship
Date	2019-07-28		Rating	2392.81
Round	Color	Result	Opponent
1	White	Loss	Maruyama Takashi	2036.68
2	White	Win	Fujikawa Masaki	2156.66
3	White	Win	Maruta Hiroki	2195.57
4	White	Win	Makino Mitsunori	2319.87
5	Black	Loss	Nakamura Shigeru	2988.38
6	Black	Loss	Okabe Hiroshi	2723.29
57 Meijinsen Qualification Tokai area 2nd round
Date	2019-06-23		Rating	2396.99
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2297.23
2	Black	Win	Mano Yoshihisa	2326.85
3	Black	Win	Suzuki Junichiro	2047.58
57 Meijinsen Qualification Hamamatsu area
Date	2019-05-19		Rating	2397.75
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	2049.44
2	White	Loss	Maruyama Yasushi	2300.99
3	Black	Win	Kamikubo Mineo	1933.62
5	White	Win	Kato Daisuke	1886.74
14th All Japan Championship
Date	2019-03-31		Rating	2401.00
Round	Color	Result	Opponent
1	Black	Loss	Chigira Makoto	2094.43
2	Black	Win	Kusajima Masato	2272.57
3	White	Win	Fujita Maiko	2293.74
4	Black	Loss	Nakayama Tomoharu	2822.76
5	White	Loss	Iio Yoshihiro	2454.63
6	White	Loss	Maruta Hiroki	2193.58
44 Tokai Championship final match
Date	2019-02-16		Rating	2410.79
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2300.47
2	White	Win	Maruyama Yasushi	2300.47
3	Black	Win	Maruyama Yasushi	2300.47
44 Tokai Championship 2nd round
Date	2018-12-16		Rating	2421.20
Round	Color	Result	Opponent
1	Black	Loss	Maruyama Yasushi	2303.83
2	White	Win	Mano Yoshihisa	2330.32
3	White	Win	Kishi Yoshinori	1941.96
19 Renju Emperor Tournament 2nd round
Date	2018-12-09		Rating	2422.56
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2270.38
2	Black	Loss	Okabe Hiroshi	2691.55
3	Black	Win	Iwano Fumio	2247.65
4	White	Loss	Nakamura Shigeru	3004.08
5	White	Win	Maruta Hiroki	2181.29
44 Tokai Championship Hamamatsu area 1st round
Date	2018-11-18		Rating	2425.33
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	2067.30
3	Black	Win	Takahashi Kodai	1594.34
4	Black	Win	Kato Daisuke	1893.64
5	Black	Loss	Maruyama Yasushi	2301.27
ex1	Black	Win	Maruyama Yasushi	2301.27
50 Kyoto Classified Tournament
Date	2018-11-11		Rating	2426.39
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2471.57
2	White	Draw	Fujita Maiko	2255.66
3	Black	Loss	Tanaka Toshiki	2505.75
4	White	Loss	Hasegawa Kazuto	2585.19
5	Black	Win	Nishida Toshio	2037.75
19 Renju Emperor Tournament Kanto area 1st round
Date	2018-10-21		Rating	2430.14
Round	Color	Result	Opponent
1	Black	Draw	Inoue Fumiya	2409.99
2	White	Win	Fujita Maiko	2251.32
3	Black	Draw	Koyama Jun	2574.96
4	Black	Win	Ono Takayuki	2400.51
56 Meijinsen Tournament
Date	2018-09-17		Rating	2432.86
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	3004.12
2	Black	Loss	Kamiya Shunsuke	2803.55
3	Black	Win	Hasegawa Kazuto	2582.29
4	Black	Loss	Kuga Akio	2430.63
6	White	Win	Koyama Jun	2577.60
7	Black	Draw	Matsuura Hiroshi	2357.58
8	Black	Loss	Okabe Hiroshi	2705.90
9	White	Loss	Kawamura Norihiko	2662.81
35 Kanto Championship
Date	2018-07-16		Rating	2436.02
Round	Color	Result	Opponent
1	White	Win	Fujita Maiko	2226.28
2	White	Draw	Nakayama Tomoharu	2841.80
3	Black	Draw	Sato Kiyotomi	2446.40
4	Black	Loss	Inoue Fumiya	2400.04
5	Black	Win	Fujikawa Masaki	2107.02
6	White	Loss	Okabe Hiroshi	2712.25
56 Meijinsen Qualification Tokai area 2nd round
Date	2018-06-24		Rating	2436.97
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2346.43
2	White	Draw	Fujita Yudai	2498.02
3	Black	Win	Maruyama Yasushi	2290.12
56 Meijinsen Qualification Hamamatsu area 1st round
Date	2018-05-20		Rating	2435.51
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	2073.08
2	White	Win	Kato Daisuke	1885.78
3	White	Win	Fujita Yudai	2500.68
4	Black	Draw	Maruyama Yasushi	2291.17
5	White	Win	Takazawa Nagayoshi	2165.07
13th All Japan Championship
Date	2018-01-28		Rating	2421.88
Round	Color	Result	Opponent
1	White	Draw	Iio Yoshihiro	2541.21
2	Black	Win	Koyama Jun	2583.96
3	White	Loss	Tachi Masaya	2560.94
4	Black	Win	Ono Takayuki	2388.27
5	White	Loss	Okabe Hiroshi	2720.36
6	White	Win	Miyamoto Syunju	2269.38
21 Mikami Cup
Date	2018-01-21		Rating	2420.12
Round	Color	Result	Opponent
S1	Black	Win	Sato Kiyotomi	2437.90
S2	Black	Loss	Okabe Hiroshi	2721.26
S3	White	Win	Ono Takayuki	2387.14
43 Tokai Championship 2nd round
Date	2017-12-17		Rating	2408.10
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2195.99
2	White	Loss	Naito Yuya	2526.77
3	Black	Loss	Fujita Yudai	2504.83
43 Tokai Championship 1st round Hamamatsu area
Date	2017-11-26		Rating	2402.00
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2287.21
3	White	Win	Kato Daisuke	1869.82
4	Black	Win	Yamamoto Yasuhiro	2196.15
5	Black	Loss	Suzuki Junichiro	2068.91
49 Kyoto Classified Tournament
Date	2017-11-12		Rating	2399.09
Round	Color	Result	Opponent
S1	Black	Loss	Kawamura Norihiko	2664.51
S2	White	Loss	Hata Masayuki	2200.25
S3	White	Loss	Hasegawa Kazuto	2599.04
S5	Black	Loss	Iio Yoshihiro	2548.51
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-01		Rating	2398.62
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2283.47
2	Black	Win	Iwano Fumio	2262.34
3	Black	Win	Maruta Koji	2130.98
4	Black	Loss	Okabe Hiroshi	2725.53
34 Kanto Championship
Date	2017-07-16		Rating	2397.55
Round	Color	Result	Opponent
1	Black	Win	Koyama Akihiro	1960.60
2	White	Win	Maruta Koji	2140.26
3	Black	Win	Iwano Fumio	2270.50
4	White	Draw	Nakayama Tomoharu	2830.45
5	Black	Loss	Okabe Hiroshi	2725.26
6	Black	Loss	Ono Takayuki	2382.90
55 Meijinsen Qualification Tokai area 1st round
Date	2017-05-21		Rating	2394.79
Round	Color	Result	Opponent
1	Black	Draw	Suzuki Junichiro	2055.16
2	White	Win	Yamamoto Yasuhiro	2179.69
3	Black	Loss	Mano Yoshihisa	2343.35
4	White	Loss	Fujita Yudai	2488.34
5	Black	Win	Kamikubo Mineo	1991.72
12th All Japan Championship
Date	2017-03-26		Rating	2398.27
Round	Color	Result	Opponent
1	White	Draw	Nakayama Tomoharu	2798.63
2	Black	Win	Iio Yoshihiro	2550.68
3	White	Loss	Koyama Jun	2611.44
4	White	Draw	Sato Kiyotomi	2482.88
5	White	Loss	Tachi Masaya	2534.86
6	Black	Win	Nishida Toshio	2094.10
42 Tokai Championship final match
Date	2017-02-19		Rating	2397.16
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2493.53
2	White	Draw	Fujita Yudai	2493.53
3	White	Loss	Fujita Yudai	2493.53
20 New Year (Mikami) Cup
Date	2017-01-22		Rating	2398.13
Round	Color	Result	Opponent
S1	Black	Loss	Nakamura Shigeru	2968.75
S2	Black	Loss	Okabe Hiroshi	2723.77
S3	Black	Loss	Sato Kiyotomi	2495.87
S4	White	Loss	Koyama Jun	2615.81
42 Tokai Championship 2nd round
Date	2016-12-18		Rating	2402.27
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2295.81
2	Black	Loss	Fujita Yudai	2492.27
3	Black	Win	Yamamoto Yasuhiro	2163.46
17 Kanto Renju Emperor Tournament 2nd round
Date	2016-12-10		Rating	2403.06
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2963.76
2	Black	Draw	Nakayama Tomoharu	2788.05
3	White	Loss	Okabe Hiroshi	2719.44
4	Black	Win	Maruta Koji	2166.40
5	White	Loss	Sato Kiyotomi	2505.91
17 Kanto Renju Emperor Tournament 1st round
Date	2016-11-23		Rating	2404.59
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2122.36
2	Black	Win	Iwano Fumio	2274.02
3	White	Loss	Okabe Hiroshi	2718.09
4	Black	Loss	Koyama Jun	2619.37
ex2	Black	Win	Iwano Fumio	2274.02
42 Tokai Championship 1st round
Date	2016-11-20		Rating	2404.72
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	2030.90
2	Black	Win	Yamamoto Yasuhiro	2162.53
3	Black	Win	Maruyama Yasushi	2296.33
4	Black	Win	Takazawa Nagayoshi	2161.34
5	Black	Win	Kato Daisuke	1867.65
48 Kyoto Classified Tournament
Date	2016-11-13		Rating	2404.31
Round	Color	Result	Opponent
SY1	Black	Win	Doi Manabu	2000.72
SY2	Black	Win	Nishida Toshio	2101.23
SY3	White	Win	Mano Yoshihisa	2329.90
SY4	Black	Draw	Takagawa Teiji	2263.45
SY5	Black	Win	Nishida Toshio	2101.23
33 Kanto Championship
Date	2016-07-31		Rating	2391.38
Round	Color	Result	Opponent
1	Black	Win	Yunoki Takahiro	1787.83
2	White	Loss	Nakayama Tomoharu	2780.96
3	White	Loss	Maruta Hiroki	2133.52
4	White	Loss	Fujikawa Masaki	2109.44
5	Black	Win	Kato Yasuhiro	2047.14
6	White	Draw	Koyama Jun	2627.43
54 Meijinsen Qualification Tokai area 2nd round
Date	2016-06-26		Rating	2392.13
Round	Color	Result	Opponent
1	White	Loss	Maruyama Yasushi	2305.47
2	Black	Win	Kato Daisuke	1861.00
3	White	Win	Yamamoto Yasuhiro	2155.42
54 Meijinsen Qualification Tokai area 1st round
Date	2016-05-15		Rating	2394.76
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2154.99
2	Black	Win	Kato Daisuke	1862.35
3	Black	Win	Mano Yoshihisa	2345.97
4	White	Win	Suzuki Junichiro	2012.21
5	Black	Draw	Maruyama Yasushi	2305.83
Team World Championship 2016
Date	2016-05-04		Rating	2394.66
Round	Color	Result	Opponent
1	Black	Win	Topkin Georg-Romet	2375.72
2	Black	Loss	Lents Johann	2688.38
3	Black	Draw	Sandstrom Richard	2331.56
5	White	Loss	Fedotov Denis	2597.34
6	Black	Loss	Lan Zhiren	2643.91
9	White	Draw	Rahumägi Brenet	2331.98
19 Mikami Cup
Date	2016-03-13		Rating	2395.85
Round	Color	Result	Opponent
S1	Black	Loss	Koyama Jun	2636.15
S2	Black	Win	Ono Takayuki	2332.32
S3	White	Loss	Kamiya Shunsuke	2728.01
S5	Black	Loss	Nakamura Shigeru	2945.20
41 Tokai Championship Final round
Date	2016-02-21		Rating	2396.24
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2460.25
2	Black	Draw	Fujita Yudai	2460.25
3	Black	Loss	Fujita Yudai	2460.25
11th All Japan Championship
Date	2016-01-11		Rating	2400.31
Round	Color	Result	Opponent
1	Black	Loss	Nakayama Tomoharu	2782.36
2	White	Win	Suzuki Rin	1925.92
3	Black	Loss	Sato Kiyotomi	2541.39
4	White	Loss	Okabe Hiroshi	2719.21
5	White	Win	Kudomi Takahiro	2195.17
6	Black	Win	Iio Yoshihiro	2543.41
41 Tokai Championship 2nd round
Date	2015-12-20		Rating	2401.40
Round	Color	Result	Opponent
1	White	Win	Mano Yoshihisa	2359.15
2	Black	Win	Fujita Yudai	2445.93
3	Black	Win	Maruyama Yasushi	2295.57
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2397.87
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2646.12
2	Black	Win	Hashimoto Takuya	2017.73
3	White	Loss	Tamada Yoichi	2580.49
4	Black	Loss	Maruta Hiroki	2126.65
47 Kyoto Classified Tournament
Date	2015-11-08		Rating	2398.08
Round	Color	Result	Opponent
S1	Black	Loss	Hasegawa Kazuto	2671.87
S2	Black	Win	Mano Yoshihisa	2363.95
S3	White	Draw	Kashihara Akihiko	2345.14
S4	Black	Loss	Epifanov Dmitry	2719.53
S5	Black	Win	Tachi Masaya	2475.31
53 Meijinsen Tournament
Date	2015-09-22		Rating	2395.95
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2721.81
2	White	Loss	Matsuura Hiroshi	2402.76
3	Black	Loss	Koyama Jun	2639.45
4	Black	Loss	Hasegawa Kazuto	2676.77
5	Black	Loss	Nakayama Tomoharu	2773.37
6	Black	Draw	Iio Yoshihiro	2535.75
7	Black	Loss	Oosumi Yuuki	2777.14
8	White	Loss	Tamada Yoichi	2586.86
9	Black	Draw	Kawamura Norihiko	2627.36
World Championship 2015, BT
Date	2015-08-12		Rating	2398.45
Round	Color	Result	Opponent
2	White	Loss	Berezin Roman	2503.09
3	Black	Loss	Volkov Sergey	2470.43
4	Black	Draw	Fedoseyev Arseniy	2138.43
5	Black	Win	Stoyanov Kirill	2094.03
6	White	Loss	Koyama Jun	2635.73
7	Black	Win	Khramov Andrey	2260.94
8	Black	Draw	Sirategyan Karen	2444.37
9	White	Win	Lavrik-Karmazin Maksim	2295.00
World Championship 2015, QT
Date	2015-08-05		Rating	2399.18
Round	Color	Result	Opponent
1	Black	Win	Khramov Andrey	2260.49
2	White	Loss	Kamiya Shunsuke	2709.41
3	Black	Win	Jonsson Peter	2390.61
4	Black	Loss	Epifanov Dmitry	2712.14
5	Black	Loss	Mesila Villem	2567.83
6	White	Loss	Sun In	2443.85
7	White	Loss	Topkin Georg-Romet	2338.65
Kanto Championship
Date	2015-07-20		Rating	2402.25
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2057.56
2	Black	Loss	Okabe Hiroshi	2730.59
3	Black	Loss	Iwano Fumio	2255.10
4	Black	Win	Maruta Hiroki	2108.18
5	Black	Loss	Zhao Jiadong	2140.17
6	Black	Win	Tanizaki Ryusuke	2188.25
53 Meijinsen Qualification Tokai area 2nd round
Date	2015-06-21		Rating	2411.51
Round	Color	Result	Opponent
1	White	Win	Mano Yoshihisa	2362.29
2	White	Win	Maruyama Yasushi	2291.50
3	Black	Draw	Fujita Yudai	2396.08
53 Meijinsen Qualification Tokai area 1st round
Date	2015-05-17		Rating	2419.79
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1992.07
2	Black	Draw	Mano Yoshihisa	2360.34
3	Black	Win	Maruyama Yasushi	2292.88
4	Black	Win	Fujita Yudai	2382.56
7th Tohoku Championship
Date	2015-04-12		Rating	2425.10
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	1987.61
2	White	Loss	Kobayashi Koichi	2296.10
3	White	Win	Gakumazawa Hideaki	2191.93
4	Black	Loss	Okabe Hiroshi	2740.00
5	Black	Win	Miura Hitoshi	1791.83
10th All Japan Championship
Date	2015-03-29		Rating	2428.02
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2081.00
2	White	Draw	Nakamura Souta	2291.13
3	White	Win	Kudomi Takahiro	2257.87
4	White	Loss	Tachi Masaya	2484.22
5	White	Win	Koyama Jun	2609.32
6	Black	Draw	Nakayama Tomoharu	2748.25
40 Tokai Championship final match
Date	2015-02-15		Rating	2432.63
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2293.83
2	White	Win	Maruyama Yasushi	2293.83
15 Kanto Renju Emperor Tournament 2nd round
Date	2015-01-25		Rating	2433.49
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2664.39
2	Black	Loss	Okabe Hiroshi	2742.67
3	Black	Loss	Nakamura Shigeru	2903.06
4	Black	Loss	Ono Takayuki	2349.43
5	Black	Win	Nakamura Souta	2270.93
40 Tokai Championship 2nd round
Date	2014-12-21		Rating	2437.85
Round	Color	Result	Opponent
1	Black	Win	Tatematsu Hikaru	2194.00
2	White	Loss	Maruyama Yasushi	2298.28
3	White	Win	Yamamoto Yasuhiro	2126.59
40 Tokai Championship 1st round
Date	2014-11-16		Rating	2443.57
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1970.14
2	White	Win	Tatematsu Hikaru	2193.02
3	Black	Win	Yamamoto Yasuhiro	2128.48
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2444.41
Round	Color	Result	Opponent
S1	White	Loss	Sakamoto Suzan	2299.27
S2	White	Win	Hata Masayuki	2204.83
S3	White	Loss	Kawamura Norihiko	2656.42
S4	Black	Win	Miyagawa Junzo	2232.89
S5	Black	Win	Matsuo Toshiko	1889.54
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2446.80
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2086.06
2	White	Loss	Fukui Nobuhiro	2614.41
3	Black	Win	Nakamura Souta	2230.15
4	Black	Win	Iwano Fumio	2259.88
1st Senior Masters Championship
Date	2014-08-29		Rating	2454.67
Round	Color	Result	Opponent
1	Black	Win	Miura Hitoshi	1803.14
2	White	Win	Mitsumori Masao	2340.56
3	White	Win	Miyagawa Junzo	2222.00
4	White	Draw	Isobe Taizan	2433.77
5	Black	Win	Kubo Izumi	2092.27
6	White	Win	Kato Yasuhiro	2092.06
7	White	Win	Kobayashi Koichi	2253.26
8S	White	Draw	Isobe Taizan	2433.77
52 Meijinsen Qualification Tokai area 2nd round
Date	2014-05-18		Rating	2457.54
Round	Color	Result	Opponent
1	White	Win	Fujita Yudai	2326.19
2	White	Loss	Fukui Nobuhiro	2627.47
3	White	Draw	Mano Yoshihisa	2323.73
31th Kanto Championship
Date	2014-05-11		Rating	2457.85
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2115.49
2	Black	Win	Ono Takayuki	2382.82
3	White	Loss	Nakamura Shigeru	2887.21
4	White	Win	Kobayashi Koichi	2243.95
5	White	Win	Iwano Fumio	2264.14
Team World Championship 2014
Date	2014-05-03		Rating	2457.38
Round	Color	Result	Opponent
1	White	Win	Tada Ayako	2315.03
2	Black	Loss	Lents Johann	2612.54
4	White	Loss	Yang Yu-Hsiung	2524.73
6	White	Win	Tamura Kazumasa	2516.28
8	White	Loss	Chen Wei-Han	2469.69
9	Black	Win	Lin Shih-Pin	2504.50
52 Meijinsen Qualification Tokai area 1st round
Date	2014-04-20		Rating	2456.22
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1958.03
2	White	Win	Mano Yoshihisa	2322.38
3	White	Loss	Fukui Nobuhiro	2626.18
4	Black	Win	Maruyama Yasushi	2295.52
9th All Japan Championship
Date	2014-01-26		Rating	2445.17
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2763.50
2	Black	Win	Miyagawa Junzo	2203.44
3	Black	Win	Kim Chang-Su	2071.44
4	White	Loss	Ono Takayuki	2378.15
5	White	Win	Kon Akira	1991.75
6	White	Win	Mano Yoshihisa	2318.47
14th Mikami Cup S-class
Date	2014-01-19		Rating	2444.28
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2377.55
2	White	Loss	Nakayama Tomoharu	2675.02
2	Black	Draw	Okabe Hiroshi	2763.32
3	White	Win	Sato Kiyotomi	2466.22
4	White	Loss	Nakamura Shigeru	2893.83
5	White	Win	Isobe Taizan	2401.94
39 Tokai Championship 2nd round
Date	2013-12-15		Rating	2434.14
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2320.57
2	Black	Win	Yamamoto Yasuhiro	2155.49
3	White	Loss	Maruyama Yasushi	2295.86
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2428.59
Round	Color	Result	Opponent
S1	Black	Loss	Okabe Hiroshi	2761.58
S2	White	Win	Sandstrom Richard	2384.45
S3	Black	Win	Kawano Takahisa	2377.84
S4	White	Loss	Oosumi Yuuki	2843.26
S5	Black	Loss	Iio Yoshihiro	2536.09
World Championship 2013, BT
Date	2013-08-09		Rating	2410.73
Round	Color	Result	Opponent
1	Black	Win	Mesila Villem	2442.39
2	White	Win	Filinov Vladimir	2565.30
3	White	Loss	Poltaratsky Nikolay	2535.70
4	Black	Win	Kostlivý Radim	2019.49
5	White	Win	Sandstrom Richard	2388.84
6	White	Win	Kolk Kuno	2247.97
7	Black	Loss	Potapov Alexey	2634.18
8	White	Win	Andersson Tord	2460.60
9	White	Win	Fedorkin Oleg	2671.12
World Championship 2013, QT
Date	2013-08-05		Rating	2408.65
Round	Color	Result	Opponent
1	White	Loss	Pajuste Renee	2630.08
2	Black	Draw	Jonsson Peter	2395.04
3	White	Loss	Miyagawa Junzo	2224.43
4	White	Loss	Hõbemägi Martin	2589.56
5	White	Loss	Sandstrom Richard	2389.26
6	Black	Loss	Andersson Tord	2459.92
7	White	Loss	Lents Johann	2591.75
29th Kanto Championship
Date	2013-05-12		Rating	2387.70
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2162.33
2	White	Win	Maruta Hiroki	2147.27
3	White	Loss	Okabe Hiroshi	2746.43
4	White	Loss	Kamiya Shunsuke	2539.87
5	White	Win	Sato Kiyotomi	2452.07
51 Meijinsen Qualification Tokai area 1st round
Date	2013-04-21		Rating	2381.12
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2307.97
2	Black	Loss	Yamamoto Yasuhiro	2188.26
3	Black	Draw	Suzuki Junichiro	1929.34
4	White	Win	Saito Syuichi	2067.11
5th Tohoku Championship
Date	2013-04-14		Rating	2380.21
Round	Color	Result	Opponent
1	White	Win	Miura Hitoshi	1828.92
2	Black	Win	Kusajima Masato	2215.80
3	Black	Draw	Maruta Hiroki	2148.33
4	White	Loss	Kudomi Takahiro	2419.79
5	Black	Loss	Nakamura Shigeru	2867.42
8th All Japan Championship
Date	2013-03-24		Rating	2378.57
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2146.62
2	Black	Loss	Iio Yoshihiro	2488.04
3	White	Win	Iwano Fumio	2173.19
4	White	Win	Sato Kiyotomi	2439.43
5	White	Loss	Oosumi Yuuki	2847.77
6	Black	Loss	Isobe Taizan	2406.58
38 Tokai Championship final match
Date	2013-02-17		Rating	2375.23
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2294.11
2	White	Win	Mano Yoshihisa	2294.11
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2370.16
Round	Color	Result	Opponent
S1	White	Win	Ono Takayuki	2418.77
S2	Black	Loss	Okabe Hiroshi	2722.36
S3	White	Draw	Fukui Nobuhiro	2569.34
S4	Black	Loss	Mitsumori Masao	2345.96
S5	White	Loss	Isobe Taizan	2410.03
13 Kanto Renju Emperor Tournament 2nd round
Date	2013-01-13		Rating	2369.09
Round	Color	Result	Opponent
1	Black	Loss	Fukui Nobuhiro	2568.43
2	Black	Draw	Isobe Taizan	2410.30
3	Black	Loss	Nakamura Shigeru	2881.24
4	Black	Loss	Okabe Hiroshi	2721.37
5	Black	Loss	Kudomi Takahiro	2424.08
38 Tokai Championship 2nd round
Date	2012-11-18		Rating	2365.39
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2258.02
2	Black	Loss	Mano Yoshihisa	2281.89
3	White	Win	Saito Syuichi	2073.94
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2365.40
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2716.50
S2	Black	Win	Hata Masayuki	2244.85
S3	Black	Loss	Hasegawa Kazuto	2596.39
S4	Black	Win	Iio Yoshihiro	2474.10
S5	Black	Win	Kudomi Takahiro	2423.14
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2362.54
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2122.72
2	White	Draw	Tomobe Katsuhiro	2193.01
3	White	Loss	Suzuki Rin	2040.76
4	Black	Win	Maruta Koji	2150.28
29th Kanto Championship
Date	2012-05-13		Rating	2370.34
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2090.84
2	Black	Win	Sato Kiyotomi	2399.10
3	Black	Loss	Nakamura Shigeru	2887.57
4	Black	Loss	Kudomi Takahiro	2430.13
5	White	Win	Matsuoka Teruo	2019.54
50 Meijinsen Qualification Tokai area 1st round
Date	2012-04-15		Rating	2370.57
Round	Color	Result	Opponent
1	White	Loss	Mano Yoshihisa	2238.44
2	Black	Loss	Miyoshi Takeo	2175.01
4	White	Win	Yamamoto Yasuhiro	2156.56
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2375.56
Round	Color	Result	Opponent
S1	Black	Win	Tadokoro Hosai	1860.92
S2	White	Loss	Nakamura Shigeru	2881.58
S3	White	Loss	Isobe Taizan	2423.75
S4	Black	Loss	Oosumi Yuuki	2795.92
S5	White	Win	Mitsumori Masao	2369.49
37 Tokai Championship final match
Date	2012-02-19		Rating	2378.62
Round	Color	Result	Opponent
1	White	Loss	Maruyama Yasushi	2248.69
2	White	Win	Maruyama Yasushi	2248.69
3	Black	Win	Maruyama Yasushi	2248.69
7th All Japan Championship
Date	2012-01-29		Rating	2381.76
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2122.75
2	Black	Loss	Nakamura Shigeru	2880.09
3	White	Win	Kubo Izumi	2100.82
4	Black	Loss	Mitsumori Masao	2372.60
5	White	Draw	Nakayama Tomoharu	2605.90
6	Black	Loss	Kamiya Shunsuke	2462.29
37 Tokai Championship 2nd round
Date	2011-11-20		Rating	2394.70
Round	Color	Result	Opponent
1	White	Win	Mano Yoshihisa	2235.19
2	Black	Win	Maruyama Yasushi	2243.73
3	Black	Win	Yamamoto Yasuhiro	2145.66
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2395.39
Round	Color	Result	Opponent
S1	White	Win	Mano Yoshihisa	2235.34
S2	White	Win	Hata Masayuki	2235.38
S3	White	Loss	Oosumi Yuuki	2777.92
S4	Black	Win	Sakamoto Suzan	2359.06
S5	Black	Loss	Okabe Hiroshi	2709.25
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2395.66
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1992.91
2	Black	Loss	Oosumi Yuuki	2773.46
3	White	Win	Tada Ayako	2256.38
4	White	Loss	Okabe Hiroshi	2708.87
28th Kanto Championship
Date	2011-05-22		Rating	2394.95
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1993.12
2	Black	Loss	Fukui Nobuhiro	2433.16
3	Black	Win	Iwano Fumio	2133.78
4	White	Win	Kudomi Takahiro	2415.25
5	Black	Win	Yamaguchi Yusui	2631.42
49 Meijinsen Qualification Tokai area 2nd round
Date	2011-05-15		Rating	2394.02
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2153.12
2	Black	Win	Mano Yoshihisa	2268.76
3	White	Loss	Maruyama Yasushi	2233.76
49 Meijinsen Qualification Tokai area 1st round
Date	2011-04-17		Rating	2394.00
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1944.09
2	Black	Win	Mano Yoshihisa	2274.30
3	Black	Win	Maruyama Yasushi	2231.87
4	Black	Win	Miyoshi Takeo	2147.69
6th All Japan Championship
Date	2011-03-27		Rating	2391.94
Round	Color	Result	Opponent
1	White	Loss	Kon Akira	2011.12
2	White	Loss	Kamiya Shunsuke	2409.33
3	Black	Loss	Kawano Takahisa	2353.54
4	White	Win	Miyagawa Sou	2120.27
5	White	Win	Miyoshi Takeo	2143.17
6	White	Draw	Mano Yoshihisa	2278.17
3rd Tohoku Championship
Date	2011-02-27		Rating	2394.54
Round	Color	Result	Opponent
1	Black	Win	Hirono Masakazu	1986.30
2	White	Win	Fukui Nobuhiro	2393.42
3	White	Loss	Tamada Yoichi	2516.34
4	White	Win	Kobayashi Koichi	2143.30
5	Black	Win	Miyagawa Sou	2123.18
36 Tokai Championship final match
Date	2011-02-20		Rating	2394.71
Round	Color	Result	Opponent
1	White	Draw	Mano Yoshihisa	2285.63
2	Black	Win	Mano Yoshihisa	2285.63
3	White	Win	Mano Yoshihisa	2285.63
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2393.94
Round	Color	Result	Opponent
S1	White	Draw	Nakamura Shigeru	2859.64
S2	Black	Loss	Isobe Taizan	2410.31
S4	White	Win	Gakumazawa Hideaki	2115.16
S5	Black	Loss	Oosumi Yuuki	2739.16
36 Tokai Championship 2nd round
Date	2010-11-21		Rating	2391.36
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2310.52
2	White	Win	Yamamoto Yasuhiro	2126.54
3	Black	Win	Miyoshi Takeo	2129.76
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2391.18
Round	Color	Result	Opponent
1	White	Win	Matsuoka Teruo	1980.21
2	White	Loss	Nakayama Tomoharu	2522.03
3	Black	Win	Shimoyama Takuma	2242.49
4	White	Loss	Fukui Nobuhiro	2348.66
48th Meijinsen Tournament
Date	2010-09-20		Rating	2393.08
Round	Color	Result	Opponent
1	Black	Loss	Oosumi Yuuki	2705.06
2	Black	Win	Yamaguchi Yusui	2593.46
3	Black	Win	Kawano Takahisa	2323.39
4	White	Loss	Sakamoto Suzan	2353.21
5	Black	Draw	Matsuura Hiroshi	2393.80
6	Black	Loss	Iio Yoshihiro	2532.12
7	White	Loss	Okabe Hiroshi	2698.26
8	White	Loss	Tamada Yoichi	2500.04
9	White	Win	Koiso Shigemasa	2175.50
27th Kanto Championship
Date	2010-05-23		Rating	2400.30
Round	Color	Result	Opponent
1	White	Win	Fukui Nobuhiro	2317.66
2	Black	Loss	Kawamura Norihiko	2587.85
3	White	Win	Nagao Noriaki	2379.62
4	White	Loss	Okabe Hiroshi	2705.03
5	White	Loss	Tomobe Katsuhiro	2210.13
Meijinsen Qualification Tokai area 2nd round
Date	2010-05-16		Rating	2400.95
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2321.85
2	White	Draw	Yamamoto Yasuhiro	2140.30
3	Black	Win	Suzuki Junichiro	1917.57
Team World Championship 2010
Date	2010-05-05		Rating	2401.82
Round	Color	Result	Opponent
3	White	Win	Sumarokov Evgeny	2560.78
5	White	Win	Timmermann Alvar	2244.33
8	White	Win	Yakovleva Alyona	2032.69
10	White	Loss	Artemyev Sergey	2624.09
48 Meijinsen Qualification Tokai area 1st round
Date	2010-04-18		Rating	2401.48
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1918.13
2	White	Win	Saito Syuichi	2101.83
3	White	Win	Mano Yoshihisa	2323.09
4	White	Draw	Maruyama Yasushi	2247.11
5th All Japan Championship
Date	2010-03-21		Rating	2399.70
Round	Color	Result	Opponent
1	White	Win	Kuramoto Hideharu	1902.60
2	White	Win	Kim Chang-Su	2057.80
3	Black	Win	Kawamura Norihiko	2589.68
4	White	Win	Oosumi Yuuki	2650.69
5	Black	Loss	Okabe Hiroshi	2703.38
6	Black	Loss	Yamaguchi Yusui	2586.28
2nd Tohoku Championship
Date	2010-03-14		Rating	2398.22
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2100.18
2	White	Win	Gakumazawa Hideaki	2131.32
3	White	Win	Hirono Masakazu	1970.25
4	Black	Win	Seiryu Masanori	1987.72
5	White	Win	Miyagawa Sou	2134.13
35 Tokai Championship final match
Date	2010-02-21		Rating	2394.54
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2250.27
2	Black	Win	Maruyama Yasushi	2250.27
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2389.45
Round	Color	Result	Opponent
S1	Black	Win	Nagao Noriaki	2361.75
S2	Black	Loss	Yamaguchi Yusui	2587.29
S3	Black	Loss	Okabe Hiroshi	2693.94
S4	Black	Win	Suzuki Junichiro	1916.89
S5	White	Loss	Tamura Kazumasa	2514.39
35 Tokai Championship 2nd round
Date	2009-11-15		Rating	2372.44
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2154.90
2	Black	Draw	Maruyama Yasushi	2262.42
3	White	Draw	Yamamoto Yasuhiro	2151.58
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2371.26
Round	Color	Result	Opponent
2	White	Win	Miyoshi Takeo	2157.62
3	White	Loss	Iio Yoshihiro	2522.38
4	White	Win	Miyagawa Junzo	2201.30
5	White	Draw	Oosumi Yuuki	2631.81
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2371.00
Round	Color	Result	Opponent
S1	White	Win	Matsuo Toshiko	1982.95
S2	Black	Loss	Tamura Kazumasa	2510.74
S3	Black	Loss	Okumura Toyohiko	2332.28
S4	White	Loss	Sakamoto Suzan	2324.26
S5	Black	Loss	Mano Yoshihisa	2322.18
35 Tokai Championship 1st round
Date	2009-10-18		Rating	2370.08
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1906.57
2	White	Win	Yamamoto Yasuhiro	2152.06
3	White	Loss	Mano Yoshihisa	2320.64
4	White	Win	Kamikubo Mineo	1941.96
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2369.79
Round	Color	Result	Opponent
1	Black	Win	Kuramoto Hideharu	1899.56
2	Black	Win	Suzuki Rin	1955.21
3	White	Loss	Ono Takayuki	2402.82
4	White	Loss	Nagao Noriaki	2332.95
47th Meijinsen tournament
Date	2009-09-22		Rating	2370.69
Round	Color	Result	Opponent
1	Black	Loss	Kataoka Mitsuaki	2259.94
2	White	Loss	Matsuura Hiroshi	2367.70
3	White	Loss	Okabe Hiroshi	2673.86
4	White	Draw	Oosumi Yuuki	2627.67
5	White	Win	Sakamoto Suzan	2313.99
6	Black	Draw	Iio Yoshihiro	2517.19
7	White	Loss	Yamaguchi Yusui	2576.80
8	White	Draw	Tamura Kazumasa	2508.58
9	White	Loss	Kawamura Norihiko	2634.86
World Championship 2009, BT
Date	2009-08-13		Rating	2376.33
Round	Color	Result	Opponent
1	White	Loss	Pajuste Renee	2418.19
2	White	Win	Nikonov Konstantin	2584.75
3	White	Loss	Nowak Paweł	2438.43
4	Black	Loss	Golosov Viktor	2433.26
5	White	Win	Rejšek Jan	2166.78
6	White	Win	Yu Tien-Lung	2135.10
7	White	Draw	Nikonova Natalya	2371.95
8	White	Win	Tamura Kazumasa	2505.69
9	White	Loss	Lin Huang-Yu	2608.17
World Championship 2009, QT
Date	2009-08-05		Rating	2377.11
Round	Color	Result	Opponent
1	White	Loss	Nykl Ondřej	2551.55
2	White	Loss	Tarannikov Yuriy	2721.42
3	Black	Win	Andersson Tord	2408.28
4	White	Loss	Laube Pavel	2442.30
5	Black	Loss	Savrasova Yulia	2661.14
7	Black	Draw	Hu Xi	2378.94
47th Meijinsen Qualification Tokai area 2nd round
Date	2009-05-17		Rating	2388.58
Round	Color	Result	Opponent
1	Black	Win	Kawasaki Nobuhiko	2109.08
2	Black	Win	Yamamoto Yasuhiro	2146.54
3	Black	Win	Miyoshi Takeo	2198.63
47th Meijinsen Qualification Tokai area 1st round
Date	2009-04-19		Rating	2390.68
Round	Color	Result	Opponent
1	Black	Win	Miyazu Goichi	1810.25
2	Black	Win	Maruyama Yasushi	2247.83
3	Black	Draw	Miyoshi Takeo	2206.52
4	White	Win	Yamamoto Yasuhiro	2143.23
4th All Japan Championship
Date	2009-03-21		Rating	2391.91
Round	Color	Result	Opponent
1	Black	Win	Hara Masao	2021.63
2	Black	Win	Okabe Hiroshi	2671.69
3	Black	Loss	Mitsumori Masao	2349.73
4	White	Loss	Tamada Yoichi	2298.59
5	White	Win	Iwano Fumio	2176.31
6	Black	Draw	Iio Yoshihiro	2487.78
1st Tohoku Championship
Date	2009-02-22		Rating	2392.74
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2118.02
2	White	Loss	Sato Kiyotomi	2453.35
3	White	Win	Gakumazawa Hideaki	2167.74
4	Black	Win	Tanno Yoshitaka	2120.30
5	Black	Loss	Hirono Masakazu	1929.73
34th Tokai Championship, Final Match
Date	2009-02-15		Rating	2393.57
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2218.49
2	Black	Win	Miyoshi Takeo	2218.49
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2398.34
Round	Color	Result	Opponent
S1	White	Loss	Nakamura Shigeru	2861.84
S2	White	Win	Mitsumori Masao	2337.71
S3	Black	Win	Oosumi Yuuki	2592.53
S4	White	Win	Tamura Kazumasa	2499.23
S5	White	Loss	Yamaguchi Yusui	2573.64
34th Tokai Championship 2nd round
Date	2008-11-16		Rating	2398.73
Round	Color	Result	Opponent
	Black	Draw	Miyoshi Takeo	2229.65
	Black	Win	Yamamoto Yasuhiro	2119.98
	Black	Win	Maruyama Yasushi	2237.83
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2398.34
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2168.83
2	White	Win	Kobayashi Koichi	2111.72
3	White	Loss	Sato Kiyotomi	2451.28
4	Black	Win	Maruta Hiroki	2065.33
46th Meijinsen Tournament
Date	2008-09-15		Rating	2397.22
Round	Color	Result	Opponent
1	White	Loss	Hata Masayuki	2261.30
2	Black	Loss	Kawamura Norihiko	2663.79
3	Black	Loss	Sato Kiyotomi	2444.61
4	White	Loss	Okabe Hiroshi	2692.38
5	White	Draw	Matsuura Hiroshi	2328.97
6	Black	Draw	Oosumi Yuuki	2561.68
7	Black	Win	Kataoka Mitsuaki	2252.23
8	White	Draw	Iio Yoshihiro	2509.06
9	Black	Loss	Yamaguchi Yusui	2583.75
46th Meijinsen Qualification Tokai area, Final round
Date	2008-05-18		Rating	2408.94
Round	Color	Result	Opponent
	Black	Win	Maruyama Yasushi	2209.65
	Black	Win	Miyoshi Takeo	2263.21
	Black	Win	Yamamoto Yasuhiro	2107.26
Team World Championship 2008
Date	2008-05-02		Rating	2409.27
Round	Color	Result	Opponent
1	White	Win	Kolouchová Monika	2363.74
2	White	Loss	Salnikov Pavel	2539.68
3	White	Loss	Wu Di	2696.88
4	White	Win	Carlsson Martin	2377.06
5	White	Draw	Kadulin Alexander	2572.01
7	White	Draw	Oll Aivo	2728.87
8	White	Win	Ikonen Jussi	2263.69
9	White	Loss	Kolesnik Vladimir	2241.80
46th Meijinsen Qualification Tokai area 1st round
Date	2008-04-20		Rating	2408.76
Round	Color	Result	Opponent
	Black	Win	Yamamoto Yasuhiro	2108.28
	Black	Win	Maruyama Yasushi	2202.30
	Black	Win	Miyazu Goichi	1825.58
	Black	Win	Kamikubo Mineo	1883.95
3rd All Japan Championship
Date	2008-03-23		Rating	2406.13
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2098.64
2	White	Loss	Tanizaki Ryusuke	2122.70
3	White	Win	Nakayama Tomoharu	2232.64
4	White	Win	Tadokoro Hosai	1927.78
5	Black	Win	Tamada Yoichi	2208.09
6	White	Win	Iio Yoshihiro	2526.04
33rd Tokai Championship final match
Date	2008-02-17		Rating	2404.61
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2282.62
2	White	Win	Miyoshi Takeo	2282.62
3	Black	Win	Miyoshi Takeo	2282.62
8th Kanto Renju Emperor Tournament 2nd round
Date	2007-12-16		Rating	2401.91
Round	Color	Result	Opponent
1	White	Win	Okabe Hiroshi	2657.68
2	White	Loss	Ono Takayuki	2387.46
3	Black	Win	Isobe Taizan	2436.70
4	Black	Loss	Nakamura Shigeru	2858.95
5	White	Loss	Kurata Kiyotaka	2276.22
33rd Tokai Championship 2nd round
Date	2007-11-18		Rating	2400.39
Round	Color	Result	Opponent
	White	Win	Miyoshi Takeo	2294.77
	Black	Loss	Yamamoto Yasuhiro	2099.15
	Black	Win	Maruyama Yasushi	2172.60
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2399.76
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2118.63
2	Black	Win	Watanabe Tatsuya	2140.78
3	Black	Win	Maruta Koji	2099.24
4	Black	Win	Kurata Kiyotaka	2276.78
5	Black	Win	Ono Takayuki	2379.78
World Championship 2007, BT
Date	2007-08-15		Rating	2388.56
Round	Color	Result	Opponent
1	White	Win	Skuridin Alexey	2430.43
2	White	Loss	Lu Wei-Yuan	2453.05
3	Black	Loss	Qiu Yunfei	2496.23
4	White	Win	Andersson Tord	2352.78
5	White	Win	Pushkaryov Dmitry	2092.38
6	White	Win	Dvoeglazov Vladimir	2372.48
7	Black	Loss	Sorokina Oksana	2487.26
8	White	Loss	Ikonen Jussi	2265.77
9	White	Loss	Oosumi Yuuki	2551.78
World Championship 2007, QT
Date	2007-08-08		Rating	2387.73
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2541.38
2	White	Loss	Karasyov Maxim	2499.11
3	White	Loss	Li Shih-Wen	2393.41
4	White	Win	Ikonen Jussi	2265.07
5	White	Loss	Eriksson Bjorn	2345.70
6	White	Win	Eged Igor	2295.49
7	White	Win	Lillemets Rauni	2100.99
45th Meijinsen Qualification Tokai area final round
Date	2007-05-20		Rating	2385.55
Round	Color	Result	Opponent
	White	Loss	Miyoshi Takeo	2297.32
	Black	Win	Yamamoto Yasuhiro	2082.07
	Black	Win	Ooura Tadahito	2028.09
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2385.73
Round	Color	Result	Opponent
1	Black	Win	Tanizaki Ryusuke	2143.05
2	White	Loss	Sato Kiyotomi	2421.93
3	Black	Win	Ono Takayuki	2347.10
4	White	Win	Kubo Izumi	2100.54
5	Black	Win	Arita Nobuyoshi	2367.42
45th Meijinsen Qualification Tokai area - 1st round
Date	2007-04-15		Rating	2384.07
Round	Color	Result	Opponent
1	Black	Win	Kugizaki Michihiko	1844.92
2	Black	Draw	Miyoshi Takeo	2291.40
3	Black	Win	Kamikubo Mineo	1871.03
4	White	Win	Ooura Tadahito	2030.86
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2382.22
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2103.17
2	Black	Draw	Sakamoto Suzan	2298.61
3	Black	Loss	Ono Takayuki	2343.70
4	White	Loss	Sato Kiyotomi	2426.08
5	Black	Win	Kato Yasuhiro	1964.78
6	Black	Win	Mitsumori Masao	2267.48
32nd Tokai Championship - Final Match
Date	2007-02-11		Rating	2380.95
Round	Color	Result	Opponent
1	Black	Win	Miyoshi Takeo	2282.90
2	White	Win	Miyoshi Takeo	2282.90
32nd Tokai Championship - 2nd round
Date	2006-11-26		Rating	2372.43
Round	Color	Result	Opponent
	White	Win	Miyazu Goichi	1820.63
	White	Win	Maruyama Yasushi	2149.48
	White	Draw	Miyoshi Takeo	2283.67
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2363.78
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2301.37
2	White	Loss	Yamaguchi Yusui	2639.46
3	Black	Loss	Sato Kiyotomi	2443.07
4	Black	Draw	Nagao Noriaki	2243.78
5	White	Loss	Iio Yoshihiro	2513.73
6	Black	Loss	Kawamura Norihiko	2666.88
7	Black	Loss	Okabe Hiroshi	2602.95
8	White	Win	Fujii Naoki	2138.08
9	White	Loss	Oosumi Yuuki	2455.61
Asian Championship 2006
Date	2006-08-15		Rating	2363.73
Round	Color	Result	Opponent
1	Black	Loss	Park Jeong Ho	2389.61
2	Black	Loss	Kubo Izumi	2100.92
3	White	Win	Kang Bo-Ra	1748.84
4	White	Win	Mitsumori Masao	2245.71
5	White	Win	Chang Jae-Won	2019.32
6	White	Win	Park Eol	2256.77
7	White	Loss	Iio Yoshihiro	2512.91
8	White	Loss	Lee Jo-Sub	2331.39
Meijin-sen Qual, Tokai area final round
Date	2006-06-11		Rating	2372.95
Round	Color	Result	Opponent
	Black	Loss	Shinoda Kiyoshi	2358.01
	Black	Win	Miyoshi Takeo	2274.09
	Black	Win	Maruyama Yasushi	2151.67
Meijin-sen Qual, Tokai area 1st round
Date	2006-05-21		Rating	2375.80
Round	Color	Result	Opponent
1	Black	Win	Takatsu Hitoshi	1923.47
2	White	Draw	Shinoda Kiyoshi	2357.69
3	Black	Win	Suzuki Junichiro	1862.77
4	White	Win	Yamamoto Yasuhiro	2063.39
31st Tokai Championship - Final Match
Date	2006-02-12		Rating	2386.51
Round	Color	Result	Opponent
1	Black	Loss	Shinoda Kiyoshi	2351.25
2	White	Win	Shinoda Kiyoshi	2351.25
3	Black	Draw	Shinoda Kiyoshi	2351.25
4	White	Win	Shinoda Kiyoshi	2351.25
31st Tokai Championship - Semi final
Date	2005-11-20		Rating	2392.92
Round	Color	Result	Opponent
	White	Loss	Shinoda Kiyoshi	2348.50
	Black	Win	Miyoshi Takeo	2279.78
	Black	Draw	Yamamoto Yasuhiro	2052.88
37th Kyoto Classified - Special class
Date	2005-11-13		Rating	2393.92
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2594.26
2	White	Win	Sakamoto Suzan	2286.64
3	Black	Loss	Miyoshi Takeo	2280.42
4	White	Win	Adachi Yasuhiro	2049.89
5	Black	Win	Miyagawa Junzo	2251.99
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2399.44
Round	Color	Result	Opponent
1	White	Loss	Matsuura Hiroshi	2350.49
2	Black	Draw	Oosumi Yuuki	2392.93
3	White	Draw	Okabe Hiroshi	2590.41
4	White	Win	Kawate Kozo	2174.25
5	Black	Win	Takashima Junya	2511.02
6	White	Loss	Hasegawa Kazuto	2703.83
7	White	Win	Tanaka Koichi	2334.42
8	Black	Loss	Yamaguchi Yusui	2590.56
9	White	Loss	Sato Kiyotomi	2393.35
World Championship 2005, BT
Date	2005-08-05		Rating	2403.75
Round	Color	Result	Opponent
1	Black	Draw	Kudomi Takahiro	2296.28
2	White	Win	Kubo Izumi	2143.21
3	White	Win	Balabhai Viktor	2369.33
4	White	Draw	Oblikas Mikk	2262.65
5	Black	Win	Sandstrom Richard	2270.13
6	White	Win	Kozhin Mikhail	2551.44
7	Black	Win	Maximov Nikolay	2163.38
8	Black	Loss	Yamaguchi Yusui	2581.34
9	White	Loss	Ilu Timo	2579.49
World Championship 2005, QT
Date	2005-07-31		Rating	2403.68
Round	Color	Result	Opponent
1	Black	Draw	Ilu Timo	2578.98
2	Black	Loss	Karlsson Stefan	2545.44
3	White	Win	Poghosyan Albert	2377.28
4	Black	Loss	Oll Aivo	2555.33
5	White	Win	Nowakowski Maciej	2404.99
6	White	Loss	Chen Ko-Han	2505.76
7	White	Win	Wang Chih-Kung	2207.09
43rd Meijinsen Qualification: Tokai area - 2nd round
Date	2005-06-12		Rating	2400.43
Round	Color	Result	Opponent
	Black	Win	Miyoshi Takeo	2278.54
	Black	Draw	Shinoda Kiyoshi	2329.06
	Black	Win	Yamamoto Yasuhiro	2044.82
22nd Kanto Championship
Date	2005-05-22		Rating	2398.23
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	1950.28
2	White	Win	Watanabe Tatsuya	2106.09
3	Black	Loss	Kawamura Norihiko	2693.44
4	White	Win	Sato Kiyotomi	2395.10
5	Black	Win	Maruta Koji	2157.54
43rd Meijinsen Qualification: Tokai-area 1st round
Date	2005-05-15		Rating	2396.90
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1825.42
2	Black	Win	Saito Syuichi	2071.87
3	Black	Win	Miyoshi Takeo	2276.71
4	White	Win	Yamamoto Yasuhiro	2044.99
The 3rd Shanghai Renju Meijin Invitation Tournament
Date	2005-05-04		Rating	2394.05
Round	Color	Result	Opponent
1	Black	Win	Wu Jie	2236.60
2	Black	Draw	Chen Wenxia	2457.95
3	Black	Loss	Yamaguchi Yusui	2560.59
4	Black	Loss	Isobe Taizan	2467.09
5	Black	Win	Gu Gongbo	2118.06
6	Black	Loss	Xue Wenxi	2395.76
7	Black	Win	Tao Junfeng	1874.17
Japan WC Qualification tournament
Date	2005-04-03		Rating	2388.00
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2025.71
2	Black	Win	Miyagawa Sou	2129.53
3	Black	Win	Kubo Izumi	2171.32
4	White	Loss	Miyagawa Junzo	2254.32
5	Black	Loss	Yamaguchi Yusui	2557.86
6	Black	Win	Mitsumori Masao	2257.64
30th Tokai Championship - Final match
Date	2005-01-16		Rating	2382.55
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2149.19
2	White	Win	Maruyama Yasushi	2149.19
3	Black	Draw	Maruyama Yasushi	2149.19
30th Tokai Championship - 2nd round
Date	2004-11-21		Rating	2380.95
Round	Color	Result	Opponent
	White	Win	Yamamoto Hukue	1629.54
	White	Win	Miyoshi Takeo	2257.80
	White	Draw	Maruyama Yasushi	2146.19
The 42nd Meijin-sen Tournament
Date	2004-09-20		Rating	2378.84
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2657.51
2	White	Loss	Saito Koji	2193.29
3	White	Loss	Matsuura Hiroshi	2406.19
4	Black	Win	Iio Yoshihiro	2457.50
5	White	Win	Takagawa Teiji	2337.54
6	Black	Draw	Okabe Hiroshi	2564.53
7	White	Loss	Kawamura Norihiko	2722.26
8	Black	Loss	Sakamoto Suzan	2293.38
9	White	Win	Sakashita Shoichi	2206.69
42nd Meijinsen Qualification: Tokai 2nd round
Date	2004-06-13		Rating	2381.48
Round	Color	Result	Opponent
	Black	Win	Shinoda Kiyoshi	2294.99
	Black	Draw	Yamamoto Yasuhiro	2076.58
	Black	Win	Maruyama Yasushi	2132.78
42nd Meijinsen Qualification: Tokai 1st round
Date	2004-05-23		Rating	2381.53
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2242.71
2	Black	Loss	Yamamoto Yasuhiro	2078.47
3	White	Win	Gamano Yutaka	2050.62
4	Black	Draw	Maruyama Yasushi	2133.64
Team World Championship 2004
Date	2004-05-05		Rating	2383.02
Round	Color	Result	Opponent
1	Black	Loss	Andersson Tord	2366.01
3	Black	Draw	Soosõrv Ants	2651.86
4	White	Win	Petrov Boris	2166.53
7	White	Loss	Artemyev Sergey	2571.40
8	White	Win	Karasyov Maxim	2483.92
9	White	Loss	Chingin Konstantin	2741.69
29th Tokai Championship - Final Match
Date	2004-02-08		Rating	2387.28
Round	Color	Result	Opponent
1	Black	Win	Oota Tsuyoshi	2239.24
2	White	Draw	Oota Tsuyoshi	2239.24
3	Black	Draw	Oota Tsuyoshi	2239.24
7th Mikami Cup - Special Class
Date	2004-01-25		Rating	2388.12
Round	Color	Result	Opponent
1	White	Draw	Yamaguchi Yusui	2596.05
2	White	Win	Mitsumori Masao	2262.29
3	Black	Win	Kudomi Takahiro	2323.65
4	Black	Loss	Kawamura Norihiko	2721.33
29th Tokai Championship - 2nd round
Date	2003-11-16		Rating	2385.55
Round	Color	Result	Opponent
	Black	Win	Oota Tsuyoshi	2238.27
	Black	Win	Gamano Yutaka	2063.84
	Black	Loss	Miyoshi Takeo	2234.33
41st Meijin-sen Tournament
Date	2003-09-15		Rating	2385.13
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2627.82
2	Black	Win	Kudomi Takahiro	2342.22
3	Black	Loss	Okabe Hiroshi	2552.78
4	Black	Win	Miyagawa Junzo	2262.82
5	Black	Win	Isobe Taizan	2418.69
6	White	Loss	Matsuura Hiroshi	2410.50
7	Black	Loss	Iio Yoshihiro	2498.94
8	White	Draw	Takashima Junya	2343.25
9	Black	Draw	Kuga Akio	2385.27
World Championship 2003, BT
Date	2003-08-08		Rating	2384.96
Round	Color	Result	Opponent
1	Black	Draw	Purk Andry	2290.45
2	White	Draw	Rybka Aleš	2207.83
3	White	Draw	Chernov Sergey	2344.36
4	White	Win	Tamura Kazumasa	2302.10
5	White	Loss	Kubo Izumi	2226.50
6	White	Win	Smirnov Dmitry	2196.40
7	Black	Win	Mitsumori Masao	2291.74
8	White	Win	Chang Yi-Feng	2464.34
9	White	Loss	Tarannikov Yuriy	2582.75
World Championship 2003, QT
Date	2003-07-31		Rating	2384.71
Round	Color	Result	Opponent
1	Black	Win	Pelikan Alan	1875.84
2	Black	Loss	Makarov Pavel	2517.41
3	White	Win	Lu Wei-Yuan	2209.65
4	White	Win	Chen Ko-Han	2423.85
5	Black	Loss	Iio Yoshihiro	2496.24
6	White	Loss	Pellikka Marko	2291.57
7	Black	Loss	Gardström Petter	2417.93
41th Meijinsen Qualification: Tokai area 2nd round
Date	2003-06-08		Rating	2388.23
Round	Color	Result	Opponent
	Black	Win	Miyoshi Takeo	2241.09
	White	Win	Koide Morihiro	2032.41
	White	Win	Suzuki Junichiro	1853.57
41th Meijinsen Qualification: Tokai area - 1st round
Date	2003-05-18		Rating	2388.55
Round	Color	Result	Opponent
1	White	Win	Miyazu Goichi	1768.35
2	White	Loss	Miyoshi Takeo	2244.20
3	White	Win	Suzuki Junichiro	1853.02
4	Black	Win	Koide Morihiro	2031.27
Japan WC Qualification 2003
Date	2003-03-22		Rating	2392.67
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2181.97
2	White	Win	Hara Masao	2114.78
3	Black	Win	Tamura Kazumasa	2283.85
4	Black	Loss	Okabe Hiroshi	2528.35
5	White	Loss	Nara Hideki	2591.18
28th Tokai Championship - Final Match
Date	2003-01-19		Rating	2395.85
Round	Color	Result	Opponent
1	Black	Win	Miyoshi Takeo	2243.53
2	White	Win	Miyoshi Takeo	2243.53
40th Meijin-sen Tournament
Date	2002-09-16		Rating	2394.09
Round	Color	Result	Opponent
1	Black	Win	Nishimura Toshio	2355.74
2	White	Win	Iio Yoshihiro	2434.63
3	Black	Draw	Takagawa Teiji	2361.55
4	White	Loss	Okabe Hiroshi	2476.86
5	White	Draw	Matsuura Hiroshi	2315.47
6	White	Loss	Isobe Taizan	2448.50
7	Black	Draw	Yamaguchi Yusui	2592.32
8	White	Loss	Hasegawa Kazuto	2593.61
9	Black	Loss	Kudomi Takahiro	2395.19
40th Meijinsen Qualification: Tokai 2nd round
Date	2002-06-09		Rating	2397.56
Round	Color	Result	Opponent
	Black	Draw	Miyoshi Takeo	2237.46
	Black	Win	Maruyama Yasushi	2185.41
	Black	Win	Takazawa Nagayoshi	2077.30
40th Meijinsen Qualification Tokai area 1st-Round
Date	2002-05-19		Rating	2397.94
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2186.99
2	Black	Win	Miyazu Goichi	1787.71
3	Black	Win	Yamamoto Yasuhiro	2024.49
4	Black	Win	Takazawa Nagayoshi	2078.09
33rd Kyoto Classified - special class
Date	2001-11-11		Rating	2401.45
Round	Color	Result	Opponent
1	White	Loss	Doi Manabu	2117.96
2	Black	Win	Kimura Shin	1910.70
3	Black	Draw	Hayakawa Yoshimi	2418.92
4	White	Win	Adachi Yasuhiro	2007.48
5	Black	Loss	Hasegawa Kazuto	2580.67
World Championship 2001, AT
Date	2001-08-12		Rating	2412.48
Round	Color	Result	Opponent
1	White	Loss	Meritee Ando	2861.33
2	White	Loss	Nara Hideki	2542.57
3	White	Win	Kim Byoung-Jun	2455.72
4	White	Draw	Soosõrv Ants	2605.71
5	Black	Draw	Gardström Petter	2516.49
6	Black	Loss	Sinyov Igor	2650.35
7	Black	Win	Gaulitz Joachim	2422.03
8	White	Loss	Karlsson Stefan	2511.01
9	White	Win	Lin Sheng-Min	2206.56
10	Black	Loss	Nikonov Konstantin	2491.25
11	Black	Draw	Sushkov Vladimir	2696.58
Japan WC Qualification tournament
Date	2001-03-24		Rating	2418.60
Round	Color	Result	Opponent
1	Black	Win	Iwata Akihisa	2198.93
2	Black	Win	Sunagawa Shouki	2224.81
3	Black	Win	Miyoshi Takeo	2194.36
4	White	Win	Nara Hideki	2558.74
5	Black	Win	Kusajima Masato	2387.54
6	White	Loss	Hasegawa Kazuto	2565.00
7	Black	Win	Mitsumori Masao	2299.88
38th Meijinsen Qualification: Tokai 2nd round
Date	2000-06-11		Rating	2371.79
Round	Color	Result	Opponent
	White	Loss	Maruyama Yasushi	2253.28
	White	Loss	Saito Koji	2259.17
	Black	Win	Miyoshi Takeo	2176.08
38th Meijinsen Qualification: Tokai 1st round
Date	2000-05-21		Rating	2370.86
Round	Color	Result	Opponent
1	White	Loss	Saito Koji	2258.80
2	Black	Win	Miyoshi Takeo	2175.11
3	Black	Win	Suzuki Toyoshige	1938.43
4	Black	Win	Maruyama Yasushi	2251.85
“Compaq Cup” International Invitational Tournament
Date	1997-05-10		Rating	2321.94
Round	Color	Result	Opponent
1	Black	Win	Deng Jinghui	2122.35
2	Black	Loss	Mitsumori Masao	2327.05
3	White	Win	Chen Lung-Chuan	1889.12
4	Black	Win	Li Dong	2110.14
5	White	Loss	Holgersson Goran	2332.33
6	White	Draw	Yin Licheng	2148.80
7	Black	Win	Isobe Taizan	2429.08
8	Black	Win	Chung Hsien-Chi	2004.49
9	White	Loss	Karlsson Stefan	2430.84
Kyoto - 1200
Date	1994-08-07		Rating	2302.41
Round	Color	Result	Opponent
1	Black	Win	Chung Hsien-Chi	1895.81
2	Black	Draw	Dvoeglazov Vladimir	2269.49
3	Black	Win	Jonsson Peter	2098.14
4	Black	Draw	Isobe Taizan	2417.21
5	Black	Win	Doi Manabu	2129.36
6	White	Draw	Nishimura Toshio	2363.23
7	Black	Draw	Fujimoto K	2300.91
World Championship 1993, BT
Date	1993-08-12		Rating	2263.83
Round	Color	Result	Opponent
	White	Win	Matyuk Valeri	2177.91
	White	Draw	Fedorkin Oleg	2281.68
	White	Loss	Veidemanis Arnis	2390.76
	Black	Draw	Milevsky Alexander	2311.94
	White	Win	Johannesson Rickard	2124.96
	White	Loss	Chernov Sergey	2162.11