Ishitani Shin-ichi (石谷信一)

Place: Fuji, Japan

Rating: 2376.81, Std: 68.26, Rank: 229

First game: 1993-08-12, Last game: 2026-01-25

Top rating: 2456.67 (2014-05-11)

Games: 1175, Wins: 599, Draws: 138, Losses: 438

Gy1: 53, Gy2: 117, Gy5: 245

5th Masters Renju Tournament
Date	2026-01-25		Rating	2376.81
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2124.30
2	Black	Win	Miyamoto Syunju	2300.04
3	Black	Loss	Kawamura Norihiko	2461.40
4	Black	Loss	Kuga Akio	2428.00
5	Black	Win	Iwano Fumio	2163.47
51 Tokai Championship 2nd round
Date	2025-12-21		Rating	2376.81
Round	Color	Result	Opponent
1	Black	Draw	Takazawa Nagayoshi	2288.08
2	Black	Win	Mano Yoshihisa	2223.15
3	Black	Draw	Tamura Kazumasa	2397.20
57 Kyoto Classified Tournament
Date	2025-11-22		Rating	2376.18
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2501.73
2	White	Loss	Takashima Junya	2395.24
3	White	Win	Hata Masayuki	2211.26
4	Black	Draw	Hasegawa Kazuto	2378.43
5	Black	Win	Yoshida Hisao	2166.59
26 Kanto Renju Emperor Tournament Qualification round
Date	2025-10-19		Rating	2376.52
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2647.08
2	White	Win	Su Lide	1840.24
3	Black	Win	Miyamoto Syunju	2290.20
4	Black	Loss	Inoue Fumiya	2563.37
39 Aomori Championship
Date	2025-06-28		Rating	2377.74
Round	Color	Result	Opponent
1	Black	Win	Tanno Yoshitaka	2068.52
2	Black	Win	Miyamoto Syunju	2293.33
3	Black	Win	Ooshina Seiichi	1894.08
4	Black	Draw	Gakumazawa Hideaki	2117.45
5	Black	Win	Kawaai Hitoshi	2053.52
42nd Kanto Championship
Date	2025-06-28		Rating	2377.74
Round	Color	Result	Opponent
1	Black	Win	Kasahara Reiko	1830.91
2	Black	Loss	Tachi Masaya	2506.04
3	Black	Win	Yoshikawa Tomoki	2367.54
4	White	Win	Miyamoto Syunju	2293.33
5	Black	Loss	Okabe Hiroshi	2731.22
6	White	Loss	Matsuda Shoma	2638.27
19th All Japan Championship
Date	2025-06-28		Rating	2377.74
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2895.90
2	Black	Win	Maruta Koji	2185.29
3	Black	Loss	Yoshikawa Tomoki	2367.54
4	Black	Loss	Tanaka Shotaro	2338.56
5	Black	Draw	Kawaai Hitoshi	2053.52
6	Black	Win	Suzuki Yoshitaka	2034.42
63 Meijinsen Qualification Tokai area 2nd round
Date	2025-06-15		Rating	2378.50
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2254.99
2	Black	Draw	Takazawa Nagayoshi	2265.29
3	Black	Loss	Yamamoto Yasuhiro	2167.47
63 Meijinsen Qualification Hamamatsu area 1st round
Date	2025-05-18		Rating	2385.11
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2167.44
2	Black	Win	Fukada Ren	2113.21
3	Black	Win	Takazawa Nagayoshi	2261.04
4	White	Win	Kawada Miki	1840.73
4th Masters Renju Tournament
Date	2025-03-23		Rating	2393.57
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2197.69
2	White	Win	Miyamoto Syunju	2296.08
3	Black	Draw	Kuga Akio	2425.95
4	Black	Win	Mano Yoshihisa	2262.48
5	Black	Win	Maruta Koji	2188.92
16th Tohoku Championship
Date	2025-03-09		Rating	2393.80
Round	Color	Result	Opponent
1	Black	Loss	Shimura Hiroki	2239.69
2	Black	Win	Gakumazawa Hideaki	2112.33
3	White	Loss	Miyamoto Syunju	2298.06
5	White	Win	Fujita Maiko	2480.22
50 Tokai Championship final match
Date	2025-02-16		Rating	2395.45
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2266.34
2	White	Loss	Mano Yoshihisa	2266.34
3	Black	Win	Mano Yoshihisa	2266.34
28th New Year (Mikami) Cup
Date	2025-01-19		Rating	2397.74
Round	Color	Result	Opponent
S1	White	Loss	Tanaka Shotaro	2345.44
S2	Black	Draw	Matsuda Shoma	2569.11
S3	Black	Win	Kawaai Hitoshi	2053.38
S4	White	Loss	Okabe Hiroshi	2731.75
50 Tokai Championship 2nd round
Date	2024-12-15		Rating	2401.99
Round	Color	Result	Opponent
1	Black	Draw	Shimura Hiroki	2216.16
2	Black	Loss	Mano Yoshihisa	2273.06
3	Black	Win	Maruyama Yasushi	2190.87
56 Kyoto Classified Tournament
Date	2024-11-23		Rating	2406.35
Round	Color	Result	Opponent
1	White	Loss	Yoshida Hisao	2167.08
2	White	Win	Hata Masayuki	2179.36
3	Black	Win	Horikawa Yasuto	1888.15
4	Black	Win	Tachi Masaya	2570.08
5	Black	Loss	Makino Mitsunori	2637.61
Kyushu Championship 2024
Date	2024-11-17		Rating	2407.56
Round	Color	Result	Opponent
1	Black	Win	Kawaai Hitoshi	2051.99
2	White	Loss	Kawano Takahisa	2549.25
3	Black	Win	Yamane Tomohiro	2050.45
4	White	Win	Kuga Akio	2419.39
50 Tokai Championship 1st round Hamamatsu area
Date	2024-11-10		Rating	2408.63
Round	Color	Result	Opponent
1	Black	Win	Fukada Ren	2097.87
2	Black	Win	Yamamoto Yasuhiro	2166.72
3	Black	Win	Shimura Hiroki	2207.89
4	White	Win	Takazawa Nagayoshi	2246.79
62nd Meijinsen Tournament
Date	2024-10-14		Rating	2410.15
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2582.71
2	Black	Win	Matsuda Shoma	2530.15
3	Black	Win	Yamane Tomohiro	2054.21
4	White	Draw	Kuga Akio	2418.48
5	Black	Loss	Kawano Takahisa	2547.45
6	White	Loss	Inoue Fumiya	2527.90
7	Black	Loss	Okabe Hiroshi	2744.85
8	White	Draw	Makino Mitsunori	2641.81
9	Black	Loss	Nakayama Tomoharu	2788.76
41st Kanto Championship
Date	2024-07-21		Rating	2415.56
Round	Color	Result	Opponent
1	Black	Loss	Yamamoto Ousuke	2097.23
2	White	Win	Yoshikawa Tomoki	2246.43
3	White	Win	Maruta Hiroki	2257.90
4	Black	Draw	Tanaka Shotaro	2329.05
5	White	Win	Inoue Fumiya	2515.66
6	Black	Draw	Okabe Hiroshi	2744.08
38 Aomori Championship
Date	2024-06-29		Rating	2415.53
Round	Color	Result	Opponent
2	White	Win	Gakumazawa Hideaki	2113.09
3	Black	Win	Kawaai Hitoshi	2029.77
4	Black	Loss	Tanno Yoshitaka	2058.84
5	White	Draw	Miyamoto Syunju	2345.03
62 Meijinsen Qualification Tokai area 2nd round
Date	2024-06-16		Rating	2416.58
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2166.97
2	Black	Win	Fukada Ren	2104.71
3	White	Win	Mano Yoshihisa	2247.77
62 Meijinsen Qualification Hamamatsu area 1st round
Date	2024-05-19		Rating	2416.94
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2162.78
2	White	Win	Takazawa Nagayoshi	2254.39
3	Black	Loss	Fukada Ren	2106.71
4	Black	Win	Kato Daisuke	1966.74
15th Tohoku Championship
Date	2024-03-31		Rating	2419.30
Round	Color	Result	Opponent
1	Black	Win	Gakumazawa Hideaki	2104.48
2	Black	Win	Kusajima Masato	2255.25
3	Black	Win	Kawaai Hitoshi	2030.72
4	Black	Win	Fujita Maiko	2423.43
5	Black	Loss	Miyamoto Syunju	2359.19
3rd Masters Renju Tournament
Date	2024-03-24		Rating	2419.30
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2154.21
2	White	Win	Takazawa Nagayoshi	2259.83
3	White	Win	Sakamoto Suzan	2203.93
4	Black	Win	Iwano Fumio	2244.36
5	Black	Win	Miyamoto Syunju	2358.20
49 Tokai Championship final match
Date	2024-02-18		Rating	2413.96
Round	Color	Result	Opponent
1	Black	Loss	Makino Mitsunori	2638.07
2	Black	Loss	Makino Mitsunori	2638.07
18th All Japan Championship
Date	2024-02-12		Rating	2413.34
Round	Color	Result	Opponent
1	Black	Win	Kawaai Hitoshi	2033.63
2	Black	Loss	Fukui Nobuhiro	2466.69
3	Black	Loss	Maruta Koji	2197.90
4	Black	Win	Sakamoto Suzan	2203.70
5	White	Loss	Okabe Hiroshi	2727.56
6	Black	Loss	Maruta Hiroki	2254.16
27th New Year (Mikami) Cup
Date	2024-01-14		Rating	2415.86
Round	Color	Result	Opponent
S1	White	Win	Matsuda Shoma	2444.17
S2	White	Win	Tanaka Shotaro	2322.71
S3	White	Loss	Okabe Hiroshi	2728.64
S4	White	Win	Ono Takayuki	2426.66
S5	Black	Win	Fujita Maiko	2421.38
49 Tokai Championship 2nd round
Date	2023-12-17		Rating	2412.72
Round	Color	Result	Opponent
1	Black	Loss	Makino Mitsunori	2635.42
2	White	Win	Suzuki Masateru	1973.54
3	White	Win	Takazawa Nagayoshi	2273.67
24 Kanto Renju Emperor Tournament Kanto area 1st round
Date	2023-11-19		Rating	2409.06
Round	Color	Result	Opponent
1	Black	Win	Suenaga Daiki	2152.47
2	White	Win	Fujita Maiko	2421.86
3	Black	Loss	Nakayama Tomoharu	2787.14
4	Black	Loss	Makino Mitsunori	2634.04
55 Kyoto Classified Tournament
Date	2023-11-11		Rating	2407.67
Round	Color	Result	Opponent
1	Black	Win	Hata Masayuki	2142.87
2	White	Win	Tanaka Shotaro	2317.76
3	Black	Loss	Tachi Masaya	2599.82
4	Black	Loss	Makino Mitsunori	2633.50
5	Black	Loss	Hasegawa Kazuto	2536.94
40th Kanto Championship
Date	2023-07-09		Rating	2389.19
Round	Color	Result	Opponent
1	White	Draw	Miyamoto Syunju	2310.13
2	White	Win	Tanaka Shotaro	2326.45
3	Black	Draw	Ono Takayuki	2433.68
4	White	Win	Makino Mitsunori	2622.89
5	Black	Loss	Inoue Fumiya	2534.05
6	White	Loss	Okabe Hiroshi	2714.59
61 Meijinsen Qualification Tokai area 2nd round
Date	2023-06-25		Rating	2386.00
Round	Color	Result	Opponent
1	Black	Loss	Takazawa Nagayoshi	2295.75
2	White	Loss	Maruyama Yasushi	2265.57
3	White	Win	Kato Daisuke	1979.91
61 Meijinsen Qualification Hamamatsu area 1st round
Date	2023-05-21		Rating	2382.72
Round	Color	Result	Opponent
1	Black	Win	Fukada Ren	2055.78
2	Black	Win	Maruyama Yasushi	2266.84
3	Black	Loss	Takazawa Nagayoshi	2298.44
4	White	Win	Kato Daisuke	1984.49
2nd Masters Renju Tournament
Date	2023-04-23		Rating	2380.27
Round	Color	Result	Opponent
1	Black	Loss	Miyamoto Syunju	2290.41
2	Black	Win	Iwano Fumio	2203.98
3	Black	Loss	Takazawa Nagayoshi	2298.96
4	Black	Draw	Hasegawa Kazuto	2575.28
5	White	Win	Yamamoto Yasuhiro	2163.81
6	Black	Win	Tomobe Katsuhiro	2100.43
17th All Japan Championship
Date	2023-03-19		Rating	2378.49
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Ousuke	2024.67
2	Black	Loss	Okabe Hiroshi	2703.53
3	White	Loss	Takazawa Nagayoshi	2292.38
4	Black	Loss	Maruta Hiroki	2205.13
5	Black	Win	Suzuki Yoshitaka	2002.82
6	Black	Win	Toyo Koryu	2211.86
48 Tokai Championship final match
Date	2023-02-19		Rating	2380.14
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2170.51
2	Black	Win	Yamamoto Yasuhiro	2170.51
26th New Year (Mikami) Cup
Date	2023-01-15		Rating	2380.42
Round	Color	Result	Opponent
S1	White	Loss	Inoue Fumiya	2537.95
S2	Black	Loss	Fujita Maiko	2430.15
S4	Black	Win	Okabe Hiroshi	2696.37
S5	Black	Win	Takazawa Nagayoshi	2275.61
48 Tokai Championship 2nd round
Date	2022-12-18		Rating	2379.10
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2187.71
2	Black	Win	Yamamoto Yasuhiro	2180.44
3	Black	Draw	Maruyama Yasushi	2263.62
48 Tokai Championship 1st round Hamamatsu area
Date	2022-11-20		Rating	2376.74
Round	Color	Result	Opponent
1	White	Win	Takazawa Nagayoshi	2260.71
2	Black	Win	Yamamoto Yasuhiro	2182.09
3	Black	Win	Maruyama Yasushi	2263.23
4	Black	Win	Kato Daisuke	1987.57
54 Kyoto Classified Tournament
Date	2022-11-12		Rating	2375.16
Round	Color	Result	Opponent
S1	Black	Win	Hata Masayuki	2138.51
S2	Black	Win	Sakamoto Suzan	2227.44
S3	Black	Loss	Makino Mitsunori	2630.48
S4	Black	Loss	Inoue Fumiya	2531.75
S5	Black	Loss	Hasegawa Kazuto	2606.76
23 Renju Emperor Tournament Kanto area 1st round
Date	2022-11-06		Rating	2374.09
Round	Color	Result	Opponent
1	White	Win	Tanaka Shotaro	2330.41
2	Black	Loss	Inoue Fumiya	2531.31
3	Black	Loss	Yokoyama Shota	2475.86
4	Black	Win	Shimura Hiroki	2167.04
60th Meijinsen Tournament
Date	2022-09-19		Rating	2365.44
Round	Color	Result	Opponent
1	White	Draw	Kawamoto Shoma	2325.59
2	Black	Loss	Hasegawa Kazuto	2610.10
3	White	Loss	Nagasoe Hiroki	2659.31
4	Black	Loss	Makino Mitsunori	2630.18
5	Black	Win	Miyamoto Syunju	2256.63
6	White	Loss	Kuga Akio	2410.87
7	Black	Loss	Nakayama Tomoharu	2810.07
8	Black	Loss	Okabe Hiroshi	2704.29
9	Black	Loss	Ono Takayuki	2426.57
39 Kanto Championship
Date	2022-07-31		Rating	2363.55
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Ousuke	2007.52
2	Black	Win	Kawaai Hitoshi	2072.17
3	Black	Win	Maruta Koji	2179.29
4	Black	Loss	Okabe Hiroshi	2705.06
5	Black	Loss	Ono Takayuki	2430.60
6	Black	Loss	Fujita Maiko	2426.06
60 Meijinsen Qualification Tokai area 2nd round
Date	2022-06-26		Rating	2363.82
Round	Color	Result	Opponent
1	Black	Loss	Maruyama Yasushi	2263.62
2	White	Win	Yamamoto Yasuhiro	2186.93
3	Black	Win	Oomura Shu	2382.99
ex	Black	Win	Oomura Shu	2382.99
60th Meijinsen Tournament Tokai area 1st round
Date	2022-05-15		Rating	2360.98
Round	Color	Result	Opponent
1	White	Win	Takazawa Nagayoshi	2229.00
2	White	Win	Yamamoto Yasuhiro	2187.85
3	Black	Win	Maruyama Yasushi	2265.15
4	White	Win	Kato Daisuke	1980.73
5	Black	Win	Fukada Ren	2051.97
47 Tokai Championship final match
Date	2022-03-20		Rating	2349.72
Round	Color	Result	Opponent
1	White	Loss	Oomura Shu	2388.81
2	Black	Loss	Oomura Shu	2388.81
47 Tokai Championship 2nd round
Date	2021-12-19		Rating	2340.41
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2275.78
2	Black	Loss	Oomura Shu	2382.75
3	Black	Draw	Yamamoto Yasuhiro	2196.07
13th Tohoku Championship
Date	2021-12-12		Rating	2339.87
Round	Color	Result	Opponent
1	Black	Loss	Fujita Maiko	2384.11
2	Black	Loss	Miyamoto Syunju	2248.24
3	Black	Win	Kawaai Hitoshi	2032.85
4	Black	Win	Kusajima Masato	2224.06
22 Renju Emperor Tournament Kanto area 1st round
Date	2021-11-21		Rating	2339.61
Round	Color	Result	Opponent
1	Black	Win	Tanizaki Ryusuke	2044.39
2	White	Win	Fujikawa Masaki	2167.18
3	White	Loss	Nagasoe Hiroki	2658.10
4	Black	Win	Tanaka Shotaro	2293.79
53 Kyoto Classified Tournament
Date	2021-11-13		Rating	2338.87
Round	Color	Result	Opponent
S1	Black	Loss	Maruta Hiroki	2267.50
S2	White	Loss	Hata Masayuki	2163.56
S3	Black	Win	Hayashi Shoichi	2161.10
S4	White	Win	Iio Yoshihiro	2397.53
S5	Black	Loss	Kawamura Norihiko	2627.49
38 Kanto Championship
Date	2021-08-08		Rating	2336.83
Round	Color	Result	Opponent
1	White	Win	Shimura Hiroki	2068.93
2	Black	Loss	Okabe Hiroshi	2708.78
3	Black	Loss	Maruta Hiroki	2264.49
4	Black	Win	Kobayashi Nanako	2015.75
5	Black	Draw	Suenaga Daiki	2262.23
6	White	Loss	Nagasoe Hiroki	2652.47
59 Meijinsen Qualification Tokai area 2nd round
Date	2021-06-27		Rating	2338.94
Round	Color	Result	Opponent
1	Black	Loss	Maruyama Yasushi	2304.67
2	White	Win	Yamamoto Yasuhiro	2204.68
3	Black	Draw	Takazawa Nagayoshi	2194.23
59 Meijinsen Qualification Hamamatsu area 1st round
Date	2021-05-16		Rating	2343.06
Round	Color	Result	Opponent
1	Black	Win	Kamikubo Mineo	1833.68
2	Black	Loss	Maruyama Yasushi	2305.43
3	Black	Win	Fukada Ren	2044.19
4	Black	Win	Takazawa Nagayoshi	2193.74
5	Black	Loss	Kawada Miki	1910.82
16th All Japan Championship
Date	2021-03-28		Rating	2353.19
Round	Color	Result	Opponent
1	Black	Loss	Maruyama Takashi	2062.24
2	Black	Win	Maruta Koji	2129.05
3	Black	Loss	Fujita Maiko	2366.07
4	Black	Win	Suenaga Daiki	2269.50
5	Black	Loss	Makino Mitsunori	2567.49
6	White	Win	Kawaai Hitoshi	2017.58
46 Tokai Championship Final Match
Date	2021-02-21		Rating	2363.63
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2260.72
2	Black	Win	Mano Yoshihisa	2260.72
24th New Year(Mikami)Cup
Date	2021-01-29		Rating	2368.67
Round	Color	Result	Opponent
S1	White	Draw	Makino Mitsunori	2561.15
S2	Black	Win	Ono Takayuki	2395.57
S3	White	Win	Maruta Hiroki	2233.62
S4	Black	Loss	Okabe Hiroshi	2738.09
S5	Black	Win	Maruta Koji	2124.32
46 Tokai Championship 2nd round
Date	2020-12-20		Rating	2372.13
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2291.18
2	Black	Draw	Yamamoto Yasuhiro	2216.86
3	Black	Win	Mano Yoshihisa	2273.50
21 Renju Emperor Tournament Kanto area 1st round
Date	2020-11-15		Rating	2373.06
Round	Color	Result	Opponent
1	White	Win	Fujita Maiko	2370.02
2	Black	Loss	Inoue Fumiya	2468.67
3	Black	Loss	Makino Mitsunori	2543.61
4	White	Win	Suenaga Daiki	2274.05
37 Kanto Championship
Date	2020-08-10		Rating	2373.29
Round	Color	Result	Opponent
1	Black	Win	Kawaai Hitoshi	2015.14
2	Black	Win	Maruyama Takashi	2046.87
3	Black	Loss	Okabe Hiroshi	2736.30
4	Black	Loss	Fujita Maiko	2375.85
5	Black	Win	Shimura Hiroki	1968.16
6	Black	Loss	Maruta Hiroki	2248.88
58 Meijinsen Qualification Tokai area 2nd round
Date	2020-07-19		Rating	2375.65
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2485.02
2	Black	Win	Maruyama Yasushi	2297.76
3	Black	Win	Masuda Taku	2028.87
ex	Black	Loss	Fujita Yudai	2485.02
58 Meijinsen Qualification Hamamatsu area 1st round
Date	2020-06-28		Rating	2378.34
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2215.51
2	Black	Win	Fukada Ren	1987.51
3	Black	Win	Fujita Yudai	2485.25
4	Black	Draw	Maruyama Yasushi	2297.58
5	Black	Win	Takazawa Nagayoshi	2165.67
45 Tokai Championship final match
Date	2020-02-16		Rating	2378.52
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2302.28
2	Black	Win	Mano Yoshihisa	2302.28
23 New Year (Mikami) Cup
Date	2020-01-26		Rating	2376.72
Round	Color	Result	Opponent
A1	Black	Loss	Fujita Maiko	2358.44
A2	Black	Loss	Inoue Fumiya	2419.64
A3	Black	Loss	Ono Takayuki	2396.44
A4	Black	Win	Iwano Fumio	2175.15
A5	Black	Loss	Okabe Hiroshi	2735.30
15th All Japan Championship
Date	2020-01-19		Rating	2377.14
Round	Color	Result	Opponent
1	Black	Loss	Nakayama Tomoharu	2848.42
2	White	Win	Fujita Maiko	2357.48
3	Black	Loss	Nakamura Shigeru	2966.54
4	White	Win	Hata Masayuki	2167.38
5	Black	Loss	Iio Yoshihiro	2400.52
6	Black	Win	Makino Mitsunori	2397.80
45 Tokai Championship 2nd round
Date	2019-12-15		Rating	2376.63
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2288.32
2	Black	Win	Yamamoto Yasuhiro	2224.46
3	Black	Loss	Mano Yoshihisa	2311.11
20 Renju Emperor Tournament 2nd round
Date	2019-12-08		Rating	2376.47
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2969.73
2	Black	Win	Miyamoto Syunju	2301.22
3	Black	Loss	Fujita Maiko	2358.94
4	Black	Loss	Inoue Fumiya	2420.86
5	Black	Loss	Okabe Hiroshi	2732.36
20 Renju Emperor Tournament Kanto area 1st round
Date	2019-11-10		Rating	2378.04
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2137.31
2	White	Loss	Fujita Maiko	2358.67
3	Black	Win	Maruta Koji	2141.87
4	White	Loss	Inoue Fumiya	2422.02
11th Tohoku Championship
Date	2019-10-06		Rating	2382.19
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	2082.82
2	Black	Draw	Gakumazawa Hideaki	2140.92
3	White	Win	Miyamoto Syunju	2297.49
4	Black	Loss	Okabe Hiroshi	2729.54
5	Black	Loss	Kusajima Masato	2244.60
57 Meijinsen Tournament
Date	2019-09-16		Rating	2385.84
Round	Color	Result	Opponent
1	Black	Win	Kawano Takahisa	2462.43
2	Black	Loss	Okabe Hiroshi	2727.95
3	Black	Win	Matsuura Hiroshi	2363.51
4	Black	Loss	Nakayama Tomoharu	2828.45
5	White	Win	Inoue Fumiya	2421.41
6	Black	Loss	Kamiya Shunsuke	2826.37
7	White	Loss	Kawamura Norihiko	2670.40
8	Black	Loss	Hasegawa Kazuto	2614.65
9	White	Loss	Koyama Jun	2613.90
36 Kanto Championship
Date	2019-07-28		Rating	2390.68
Round	Color	Result	Opponent
1	White	Loss	Maruyama Takashi	2034.32
2	White	Win	Fujikawa Masaki	2154.29
3	White	Win	Maruta Hiroki	2193.51
4	White	Win	Makino Mitsunori	2317.85
5	Black	Loss	Nakamura Shigeru	2986.13
6	Black	Loss	Okabe Hiroshi	2720.99
57 Meijinsen Qualification Tokai area 2nd round
Date	2019-06-23		Rating	2394.85
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2294.23
2	Black	Win	Mano Yoshihisa	2324.45
3	Black	Win	Suzuki Junichiro	2044.94
57 Meijinsen Qualification Hamamatsu area
Date	2019-05-19		Rating	2395.62
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	2046.79
2	White	Loss	Maruyama Yasushi	2298.05
3	Black	Win	Kamikubo Mineo	1928.87
5	White	Win	Kato Daisuke	1883.02
14th All Japan Championship
Date	2019-03-31		Rating	2398.89
Round	Color	Result	Opponent
1	Black	Loss	Chigira Makoto	2093.27
2	Black	Win	Kusajima Masato	2272.40
3	White	Win	Fujita Maiko	2291.68
4	Black	Loss	Nakayama Tomoharu	2820.39
5	White	Loss	Iio Yoshihiro	2452.60
6	White	Loss	Maruta Hiroki	2191.67
44 Tokai Championship final match
Date	2019-02-16		Rating	2408.69
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2297.70
2	White	Win	Maruyama Yasushi	2297.70
3	Black	Win	Maruyama Yasushi	2297.70
44 Tokai Championship 2nd round
Date	2018-12-16		Rating	2419.12
Round	Color	Result	Opponent
1	Black	Loss	Maruyama Yasushi	2301.15
2	White	Win	Mano Yoshihisa	2328.05
3	White	Win	Kishi Yoshinori	1940.02
19 Renju Emperor Tournament 2nd round
Date	2018-12-09		Rating	2420.47
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2269.78
2	Black	Loss	Okabe Hiroshi	2689.42
3	Black	Win	Iwano Fumio	2245.66
4	White	Loss	Nakamura Shigeru	3001.93
5	White	Win	Maruta Hiroki	2179.46
44 Tokai Championship Hamamatsu area 1st round
Date	2018-11-18		Rating	2423.25
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	2064.75
3	Black	Win	Takahashi Kodai	1592.00
4	Black	Win	Kato Daisuke	1890.42
5	Black	Loss	Maruyama Yasushi	2298.63
ex1	Black	Win	Maruyama Yasushi	2298.63
50 Kyoto Classified Tournament
Date	2018-11-11		Rating	2424.32
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2469.59
2	White	Draw	Fujita Maiko	2253.73
3	Black	Loss	Tanaka Toshiki	2503.77
4	White	Loss	Hasegawa Kazuto	2583.03
5	Black	Win	Nishida Toshio	2036.52
19 Renju Emperor Tournament Kanto area 1st round
Date	2018-10-21		Rating	2428.08
Round	Color	Result	Opponent
1	Black	Draw	Inoue Fumiya	2407.97
2	White	Win	Fujita Maiko	2249.41
3	Black	Draw	Koyama Jun	2572.73
4	Black	Win	Ono Takayuki	2398.61
56 Meijinsen Tournament
Date	2018-09-17		Rating	2430.80
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	3002.01
2	Black	Loss	Kamiya Shunsuke	2801.40
3	Black	Win	Hasegawa Kazuto	2580.17
4	Black	Loss	Kuga Akio	2428.34
6	White	Win	Koyama Jun	2575.42
7	Black	Draw	Matsuura Hiroshi	2355.49
8	Black	Loss	Okabe Hiroshi	2703.84
9	White	Loss	Kawamura Norihiko	2659.86
35 Kanto Championship
Date	2018-07-16		Rating	2434.00
Round	Color	Result	Opponent
1	White	Win	Fujita Maiko	2224.45
2	White	Draw	Nakayama Tomoharu	2839.64
3	Black	Draw	Sato Kiyotomi	2444.78
4	Black	Loss	Inoue Fumiya	2398.08
5	Black	Win	Fujikawa Masaki	2105.12
6	White	Loss	Okabe Hiroshi	2710.22
56 Meijinsen Qualification Tokai area 2nd round
Date	2018-06-24		Rating	2434.95
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2344.27
2	White	Draw	Fujita Yudai	2495.84
3	Black	Win	Maruyama Yasushi	2287.65
56 Meijinsen Qualification Hamamatsu area 1st round
Date	2018-05-20		Rating	2433.52
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	2070.63
2	White	Win	Kato Daisuke	1882.84
3	White	Win	Fujita Yudai	2498.52
4	Black	Draw	Maruyama Yasushi	2288.73
5	White	Win	Takazawa Nagayoshi	2162.19
13th All Japan Championship
Date	2018-01-28		Rating	2419.97
Round	Color	Result	Opponent
1	White	Draw	Iio Yoshihiro	2539.35
2	Black	Win	Koyama Jun	2582.05
3	White	Loss	Tachi Masaya	2559.08
4	Black	Win	Ono Takayuki	2386.55
5	White	Loss	Okabe Hiroshi	2718.43
6	White	Win	Miyamoto Syunju	2268.54
21 Mikami Cup
Date	2018-01-21		Rating	2418.21
Round	Color	Result	Opponent
S1	Black	Win	Sato Kiyotomi	2436.30
S2	Black	Loss	Okabe Hiroshi	2719.34
S3	White	Win	Ono Takayuki	2385.42
43 Tokai Championship 2nd round
Date	2017-12-17		Rating	2406.21
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2193.35
2	White	Loss	Naito Yuya	2524.74
3	Black	Loss	Fujita Yudai	2502.79
43 Tokai Championship 1st round Hamamatsu area
Date	2017-11-26		Rating	2400.12
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2284.96
3	White	Win	Kato Daisuke	1867.12
4	Black	Win	Yamamoto Yasuhiro	2193.54
5	Black	Loss	Suzuki Junichiro	2066.56
49 Kyoto Classified Tournament
Date	2017-11-12		Rating	2397.23
Round	Color	Result	Opponent
S1	Black	Loss	Kawamura Norihiko	2662.18
S2	White	Loss	Hata Masayuki	2199.36
S3	White	Loss	Hasegawa Kazuto	2597.13
S5	Black	Loss	Iio Yoshihiro	2546.68
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-01		Rating	2396.76
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2282.58
2	Black	Win	Iwano Fumio	2260.73
3	Black	Win	Maruta Koji	2129.53
4	Black	Loss	Okabe Hiroshi	2723.66
34 Kanto Championship
Date	2017-07-16		Rating	2395.75
Round	Color	Result	Opponent
1	Black	Win	Koyama Akihiro	1959.37
2	White	Win	Maruta Koji	2138.86
3	Black	Win	Iwano Fumio	2268.97
4	White	Draw	Nakayama Tomoharu	2828.55
5	Black	Loss	Okabe Hiroshi	2723.45
6	Black	Loss	Ono Takayuki	2381.29
55 Meijinsen Qualification Tokai area 1st round
Date	2017-05-21		Rating	2393.01
Round	Color	Result	Opponent
1	Black	Draw	Suzuki Junichiro	2052.92
2	White	Win	Yamamoto Yasuhiro	2177.33
3	Black	Loss	Mano Yoshihisa	2341.43
4	White	Loss	Fujita Yudai	2486.44
5	Black	Win	Kamikubo Mineo	1988.87
12th All Japan Championship
Date	2017-03-26		Rating	2396.52
Round	Color	Result	Opponent
1	White	Draw	Nakayama Tomoharu	2796.81
2	Black	Win	Iio Yoshihiro	2548.97
3	White	Loss	Koyama Jun	2609.72
4	White	Draw	Sato Kiyotomi	2481.35
5	White	Loss	Tachi Masaya	2533.12
6	Black	Win	Nishida Toshio	2092.89
42 Tokai Championship final match
Date	2017-02-19		Rating	2395.43
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2491.70
2	White	Draw	Fujita Yudai	2491.70
3	White	Loss	Fujita Yudai	2491.70
20 New Year (Mikami) Cup
Date	2017-01-22		Rating	2396.41
Round	Color	Result	Opponent
S1	Black	Loss	Nakamura Shigeru	2966.99
S2	Black	Loss	Okabe Hiroshi	2722.05
S3	Black	Loss	Sato Kiyotomi	2494.35
S4	White	Loss	Koyama Jun	2614.13
42 Tokai Championship 2nd round
Date	2016-12-18		Rating	2400.57
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2293.85
2	Black	Loss	Fujita Yudai	2490.48
3	Black	Win	Yamamoto Yasuhiro	2161.28
17 Kanto Renju Emperor Tournament 2nd round
Date	2016-12-10		Rating	2401.36
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2962.03
2	Black	Draw	Nakayama Tomoharu	2786.31
3	White	Loss	Okabe Hiroshi	2717.75
4	Black	Win	Maruta Koji	2165.11
5	White	Loss	Sato Kiyotomi	2504.40
17 Kanto Renju Emperor Tournament 1st round
Date	2016-11-23		Rating	2402.91
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2121.06
2	Black	Win	Iwano Fumio	2272.64
3	White	Loss	Okabe Hiroshi	2716.41
4	Black	Loss	Koyama Jun	2617.71
ex2	Black	Win	Iwano Fumio	2272.64
42 Tokai Championship 1st round
Date	2016-11-20		Rating	2403.03
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	2028.79
2	Black	Win	Yamamoto Yasuhiro	2160.38
3	Black	Win	Maruyama Yasushi	2294.40
4	Black	Win	Takazawa Nagayoshi	2158.93
5	Black	Win	Kato Daisuke	1865.45
48 Kyoto Classified Tournament
Date	2016-11-13		Rating	2402.63
Round	Color	Result	Opponent
SY1	Black	Win	Doi Manabu	1999.59
SY2	Black	Win	Nishida Toshio	2100.03
SY3	White	Win	Mano Yoshihisa	2328.14
SY4	Black	Draw	Takagawa Teiji	2262.25
SY5	Black	Win	Nishida Toshio	2100.03
33 Kanto Championship
Date	2016-07-31		Rating	2389.75
Round	Color	Result	Opponent
1	Black	Win	Yunoki Takahiro	1787.24
2	White	Loss	Nakayama Tomoharu	2779.30
3	White	Loss	Maruta Hiroki	2132.28
4	White	Loss	Fujikawa Masaki	2108.15
5	Black	Win	Kato Yasuhiro	2047.49
6	White	Draw	Koyama Jun	2625.84
54 Meijinsen Qualification Tokai area 2nd round
Date	2016-06-26		Rating	2390.51
Round	Color	Result	Opponent
1	White	Loss	Maruyama Yasushi	2303.65
2	Black	Win	Kato Daisuke	1858.96
3	White	Win	Yamamoto Yasuhiro	2153.41
54 Meijinsen Qualification Tokai area 1st round
Date	2016-05-15		Rating	2393.16
Round	Color	Result	Opponent
1	Black	Win	Yamamoto Yasuhiro	2153.03
2	Black	Win	Kato Daisuke	1860.35
3	Black	Win	Mano Yoshihisa	2344.31
4	White	Win	Suzuki Junichiro	2010.25
5	Black	Draw	Maruyama Yasushi	2304.05
Team World Championship 2016
Date	2016-05-04		Rating	2393.06
Round	Color	Result	Opponent
1	Black	Win	Topkin Georg-Romet	2373.95
2	Black	Loss	Lents Johann	2686.35
3	Black	Draw	Sandstrom Richard	2329.50
5	White	Loss	Fedotov Denis	2595.52
6	Black	Loss	Lan Zhiren	2642.14
9	White	Draw	Rahumägi Brenet	2330.22
19 Mikami Cup
Date	2016-03-13		Rating	2394.28
Round	Color	Result	Opponent
S1	Black	Loss	Koyama Jun	2634.62
S2	Black	Win	Ono Takayuki	2330.96
S3	White	Loss	Kamiya Shunsuke	2726.45
S5	Black	Loss	Nakamura Shigeru	2943.61
41 Tokai Championship Final round
Date	2016-02-21		Rating	2394.68
Round	Color	Result	Opponent
1	Black	Loss	Fujita Yudai	2458.63
2	Black	Draw	Fujita Yudai	2458.63
3	Black	Loss	Fujita Yudai	2458.63
11th All Japan Championship
Date	2016-01-11		Rating	2398.78
Round	Color	Result	Opponent
1	Black	Loss	Nakayama Tomoharu	2780.81
2	White	Win	Suzuki Rin	1925.01
3	Black	Loss	Sato Kiyotomi	2539.97
4	White	Loss	Okabe Hiroshi	2717.69
5	White	Win	Kudomi Takahiro	2194.01
6	Black	Win	Iio Yoshihiro	2541.89
41 Tokai Championship 2nd round
Date	2015-12-20		Rating	2399.89
Round	Color	Result	Opponent
1	White	Win	Mano Yoshihisa	2357.59
2	Black	Win	Fujita Yudai	2444.34
3	Black	Win	Maruyama Yasushi	2293.89
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2396.37
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2644.64
2	Black	Win	Hashimoto Takuya	2016.88
3	White	Loss	Tamada Yoichi	2579.05
4	Black	Loss	Maruta Hiroki	2125.52
47 Kyoto Classified Tournament
Date	2015-11-08		Rating	2396.59
Round	Color	Result	Opponent
S1	Black	Loss	Hasegawa Kazuto	2670.34
S2	Black	Win	Mano Yoshihisa	2362.42
S3	White	Draw	Kashihara Akihiko	2343.86
S4	Black	Loss	Epifanov Dmitry	2717.84
S5	Black	Win	Tachi Masaya	2473.83
53 Meijinsen Tournament
Date	2015-09-22		Rating	2394.48
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2720.33
2	White	Loss	Matsuura Hiroshi	2401.27
3	Black	Loss	Koyama Jun	2637.99
4	Black	Loss	Hasegawa Kazuto	2675.26
5	Black	Loss	Nakayama Tomoharu	2771.88
6	Black	Draw	Iio Yoshihiro	2534.28
7	Black	Loss	Oosumi Yuuki	2775.70
8	White	Loss	Tamada Yoichi	2585.45
9	Black	Draw	Kawamura Norihiko	2625.76
World Championship 2015, BT
Date	2015-08-12		Rating	2397.00
Round	Color	Result	Opponent
2	White	Loss	Berezin Roman	2501.41
3	Black	Loss	Volkov Sergey	2468.77
4	Black	Draw	Fedoseyev Arseniy	2136.85
5	Black	Win	Stoyanov Kirill	2092.47
6	White	Loss	Koyama Jun	2634.28
7	Black	Win	Khramov Andrey	2258.42
8	Black	Draw	Sirategyan Karen	2442.72
9	White	Win	Lavrik-Karmazin Maksim	2293.40
World Championship 2015, QT
Date	2015-08-05		Rating	2397.74
Round	Color	Result	Opponent
1	Black	Win	Khramov Andrey	2257.98
2	White	Loss	Kamiya Shunsuke	2707.94
3	Black	Win	Jonsson Peter	2388.84
4	Black	Loss	Epifanov Dmitry	2710.50
5	Black	Loss	Mesila Villem	2566.18
6	White	Loss	Sun In	2442.07
7	White	Loss	Topkin Georg-Romet	2337.02
Kanto Championship
Date	2015-07-20		Rating	2400.82
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2057.05
2	Black	Loss	Okabe Hiroshi	2729.15
3	Black	Loss	Iwano Fumio	2253.96
4	Black	Win	Maruta Hiroki	2107.09
5	Black	Loss	Zhao Jiadong	2138.95
6	Black	Win	Tanizaki Ryusuke	2187.13
53 Meijinsen Qualification Tokai area 2nd round
Date	2015-06-21		Rating	2410.10
Round	Color	Result	Opponent
1	White	Win	Mano Yoshihisa	2360.84
2	White	Win	Maruyama Yasushi	2289.95
3	Black	Draw	Fujita Yudai	2394.57
53 Meijinsen Qualification Tokai area 1st round
Date	2015-05-17		Rating	2418.42
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1990.36
2	Black	Draw	Mano Yoshihisa	2358.91
3	Black	Win	Maruyama Yasushi	2291.35
4	Black	Win	Fujita Yudai	2381.06
7th Tohoku Championship
Date	2015-04-12		Rating	2423.77
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	1992.78
2	White	Loss	Kobayashi Koichi	2295.34
3	White	Win	Gakumazawa Hideaki	2191.45
4	Black	Loss	Okabe Hiroshi	2738.62
5	Black	Win	Miura Hitoshi	1791.89
10th All Japan Championship
Date	2015-03-29		Rating	2426.69
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2079.93
2	White	Draw	Nakamura Souta	2290.02
3	White	Win	Kudomi Takahiro	2256.70
4	White	Loss	Tachi Masaya	2482.89
5	White	Win	Koyama Jun	2607.93
6	Black	Draw	Nakayama Tomoharu	2746.86
40 Tokai Championship final match
Date	2015-02-15		Rating	2431.32
Round	Color	Result	Opponent
1	Black	Win	Maruyama Yasushi	2292.36
2	White	Win	Maruyama Yasushi	2292.36
15 Kanto Renju Emperor Tournament 2nd round
Date	2015-01-25		Rating	2432.19
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2663.05
2	Black	Loss	Okabe Hiroshi	2741.33
3	Black	Loss	Nakamura Shigeru	2901.69
4	Black	Loss	Ono Takayuki	2348.25
5	Black	Win	Nakamura Souta	2269.84
40 Tokai Championship 2nd round
Date	2014-12-21		Rating	2436.57
Round	Color	Result	Opponent
1	Black	Win	Tatematsu Hikaru	2192.68
2	White	Loss	Maruyama Yasushi	2296.83
3	White	Win	Yamamoto Yasuhiro	2125.03
40 Tokai Championship 1st round
Date	2014-11-16		Rating	2442.31
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1968.55
2	White	Win	Tatematsu Hikaru	2191.70
3	Black	Win	Yamamoto Yasuhiro	2126.95
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2443.16
Round	Color	Result	Opponent
S1	White	Loss	Sakamoto Suzan	2298.07
S2	White	Win	Hata Masayuki	2203.74
S3	White	Loss	Kawamura Norihiko	2654.97
S4	Black	Win	Miyagawa Junzo	2231.74
S5	Black	Win	Matsuo Toshiko	1888.65
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2445.55
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2085.02
2	White	Loss	Fukui Nobuhiro	2612.65
3	Black	Win	Nakamura Souta	2229.09
4	Black	Win	Iwano Fumio	2258.85
1st Senior Masters Championship
Date	2014-08-29		Rating	2453.46
Round	Color	Result	Opponent
1	Black	Win	Miura Hitoshi	1803.11
2	White	Win	Mitsumori Masao	2339.43
3	White	Win	Miyagawa Junzo	2220.87
4	White	Draw	Isobe Taizan	2432.77
5	Black	Win	Kubo Izumi	2091.26
6	White	Win	Kato Yasuhiro	2091.30
7	White	Win	Kobayashi Koichi	2252.49
8S	White	Draw	Isobe Taizan	2432.77
52 Meijinsen Qualification Tokai area 2nd round
Date	2014-05-18		Rating	2456.37
Round	Color	Result	Opponent
1	White	Win	Fujita Yudai	2324.78
2	White	Loss	Fukui Nobuhiro	2626.00
3	White	Draw	Mano Yoshihisa	2322.46
31th Kanto Championship
Date	2014-05-11		Rating	2456.67
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2114.47
2	Black	Win	Ono Takayuki	2381.72
3	White	Loss	Nakamura Shigeru	2885.97
4	White	Win	Kobayashi Koichi	2243.18
5	White	Win	Iwano Fumio	2263.18
Team World Championship 2014
Date	2014-05-03		Rating	2456.21
Round	Color	Result	Opponent
1	White	Win	Tada Ayako	2314.09
2	Black	Loss	Lents Johann	2611.06
4	White	Loss	Yang Yu-Hsiung	2523.49
6	White	Win	Tamura Kazumasa	2517.06
8	White	Loss	Chen Wei-Han	2468.75
9	Black	Win	Lin Shih-Pin	2503.42
52 Meijinsen Qualification Tokai area 1st round
Date	2014-04-20		Rating	2455.05
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1956.57
2	White	Win	Mano Yoshihisa	2321.13
3	White	Loss	Fukui Nobuhiro	2624.75
4	Black	Win	Maruyama Yasushi	2294.20
9th All Japan Championship
Date	2014-01-26		Rating	2444.01
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2762.34
2	Black	Win	Miyagawa Junzo	2202.35
3	Black	Win	Kim Chang-Su	2070.40
4	White	Loss	Ono Takayuki	2377.08
5	White	Win	Kon Akira	1990.81
6	White	Win	Mano Yoshihisa	2317.26
14th Mikami Cup S-class
Date	2014-01-19		Rating	2443.12
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2376.49
2	White	Loss	Nakayama Tomoharu	2673.86
2	Black	Draw	Okabe Hiroshi	2762.16
3	White	Win	Sato Kiyotomi	2465.14
4	White	Loss	Nakamura Shigeru	2892.64
5	White	Win	Isobe Taizan	2400.98
39 Tokai Championship 2nd round
Date	2013-12-15		Rating	2432.99
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2319.38
2	Black	Win	Yamamoto Yasuhiro	2154.17
3	White	Loss	Maruyama Yasushi	2294.61
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2427.44
Round	Color	Result	Opponent
S1	Black	Loss	Okabe Hiroshi	2760.42
S2	White	Win	Sandstrom Richard	2383.02
S3	Black	Win	Kawano Takahisa	2376.60
S4	White	Loss	Oosumi Yuuki	2842.04
S5	Black	Loss	Iio Yoshihiro	2534.92
World Championship 2013, BT
Date	2013-08-09		Rating	2409.58
Round	Color	Result	Opponent
1	Black	Win	Mesila Villem	2441.07
2	White	Win	Filinov Vladimir	2563.96
3	White	Loss	Poltaratsky Nikolay	2534.42
4	Black	Win	Kostlivý Radim	2018.42
5	White	Win	Sandstrom Richard	2387.45
6	White	Win	Kolk Kuno	2246.68
7	Black	Loss	Potapov Alexey	2632.82
8	White	Win	Andersson Tord	2459.13
9	White	Win	Fedorkin Oleg	2669.78
World Championship 2013, QT
Date	2013-08-05		Rating	2407.51
Round	Color	Result	Opponent
1	White	Loss	Pajuste Renee	2628.69
2	Black	Draw	Jonsson Peter	2393.63
3	White	Loss	Miyagawa Junzo	2223.35
4	White	Loss	Hõbemägi Martin	2588.24
5	White	Loss	Sandstrom Richard	2387.87
6	Black	Loss	Andersson Tord	2458.45
7	White	Loss	Lents Johann	2590.40
29th Kanto Championship
Date	2013-05-12		Rating	2386.60
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2161.38
2	White	Win	Maruta Hiroki	2146.33
3	White	Loss	Okabe Hiroshi	2745.29
4	White	Loss	Kamiya Shunsuke	2538.78
5	White	Win	Sato Kiyotomi	2451.05
51 Meijinsen Qualification Tokai area 1st round
Date	2013-04-21		Rating	2380.03
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2306.85
2	Black	Loss	Yamamoto Yasuhiro	2187.07
3	Black	Draw	Suzuki Junichiro	1928.10
4	White	Win	Saito Syuichi	2066.10
5th Tohoku Championship
Date	2013-04-14		Rating	2379.12
Round	Color	Result	Opponent
1	White	Win	Miura Hitoshi	1828.70
2	Black	Win	Kusajima Masato	2215.31
3	Black	Draw	Maruta Hiroki	2147.39
4	White	Loss	Kudomi Takahiro	2418.73
5	Black	Loss	Nakamura Shigeru	2866.30
8th All Japan Championship
Date	2013-03-24		Rating	2377.50
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2145.72
2	Black	Loss	Iio Yoshihiro	2486.96
3	White	Win	Iwano Fumio	2172.28
4	White	Win	Sato Kiyotomi	2438.42
5	White	Loss	Oosumi Yuuki	2846.61
6	Black	Loss	Isobe Taizan	2405.62
38 Tokai Championship final match
Date	2013-02-17		Rating	2374.16
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2293.02
2	White	Win	Mano Yoshihisa	2293.02
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2369.10
Round	Color	Result	Opponent
S1	White	Win	Ono Takayuki	2417.77
S2	Black	Loss	Okabe Hiroshi	2721.25
S3	White	Draw	Fukui Nobuhiro	2568.24
S4	Black	Loss	Mitsumori Masao	2344.97
S5	White	Loss	Isobe Taizan	2409.06
13 Kanto Renju Emperor Tournament 2nd round
Date	2013-01-13		Rating	2368.04
Round	Color	Result	Opponent
1	Black	Loss	Fukui Nobuhiro	2567.33
2	Black	Draw	Isobe Taizan	2409.34
3	Black	Loss	Nakamura Shigeru	2880.14
4	Black	Loss	Okabe Hiroshi	2720.26
5	Black	Loss	Kudomi Takahiro	2423.06
38 Tokai Championship 2nd round
Date	2012-11-18		Rating	2364.35
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2256.92
2	Black	Loss	Mano Yoshihisa	2280.82
3	White	Win	Saito Syuichi	2072.95
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2364.37
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2715.41
S2	Black	Win	Hata Masayuki	2243.87
S3	Black	Loss	Hasegawa Kazuto	2595.32
S4	Black	Win	Iio Yoshihiro	2473.05
S5	Black	Win	Kudomi Takahiro	2422.13
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2361.51
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2121.82
2	White	Draw	Tomobe Katsuhiro	2192.10
3	White	Loss	Suzuki Rin	2039.97
4	Black	Win	Maruta Koji	2149.44
29th Kanto Championship
Date	2012-05-13		Rating	2369.35
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2089.97
2	Black	Win	Sato Kiyotomi	2398.15
3	Black	Loss	Nakamura Shigeru	2886.51
4	Black	Loss	Kudomi Takahiro	2429.18
5	White	Win	Matsuoka Teruo	2018.75
50 Meijinsen Qualification Tokai area 1st round
Date	2012-04-15		Rating	2369.59
Round	Color	Result	Opponent
1	White	Loss	Mano Yoshihisa	2237.43
2	Black	Loss	Miyoshi Takeo	2174.09
4	White	Win	Yamamoto Yasuhiro	2155.51
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2374.59
Round	Color	Result	Opponent
S1	Black	Win	Tadokoro Hosai	1860.19
S2	White	Loss	Nakamura Shigeru	2880.55
S3	White	Loss	Isobe Taizan	2422.82
S4	Black	Loss	Oosumi Yuuki	2794.86
S5	White	Win	Mitsumori Masao	2368.55
37 Tokai Championship final match
Date	2012-02-19		Rating	2377.65
Round	Color	Result	Opponent
1	White	Loss	Maruyama Yasushi	2247.67
2	White	Win	Maruyama Yasushi	2247.67
3	Black	Win	Maruyama Yasushi	2247.67
7th All Japan Championship
Date	2012-01-29		Rating	2380.79
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2122.13
2	Black	Loss	Nakamura Shigeru	2879.06
3	White	Win	Kubo Izumi	2099.90
4	Black	Loss	Mitsumori Masao	2371.67
5	White	Draw	Nakayama Tomoharu	2604.89
6	Black	Loss	Kamiya Shunsuke	2461.28
37 Tokai Championship 2nd round
Date	2011-11-20		Rating	2393.75
Round	Color	Result	Opponent
1	White	Win	Mano Yoshihisa	2234.21
2	Black	Win	Maruyama Yasushi	2242.73
3	Black	Win	Yamamoto Yasuhiro	2144.64
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2394.45
Round	Color	Result	Opponent
S1	White	Win	Mano Yoshihisa	2234.37
S2	White	Win	Hata Masayuki	2234.46
S3	White	Loss	Oosumi Yuuki	2776.90
S4	Black	Win	Sakamoto Suzan	2358.12
S5	Black	Loss	Okabe Hiroshi	2708.23
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2394.72
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1992.13
2	Black	Loss	Oosumi Yuuki	2772.44
3	White	Win	Tada Ayako	2255.51
4	White	Loss	Okabe Hiroshi	2707.86
28th Kanto Championship
Date	2011-05-22		Rating	2394.04
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1992.34
2	Black	Loss	Fukui Nobuhiro	2432.26
3	Black	Win	Iwano Fumio	2132.96
4	White	Win	Kudomi Takahiro	2414.37
5	Black	Win	Yamaguchi Yusui	2630.48
49 Meijinsen Qualification Tokai area 2nd round
Date	2011-05-15		Rating	2393.12
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2152.23
2	Black	Win	Mano Yoshihisa	2267.82
3	White	Loss	Maruyama Yasushi	2232.81
49 Meijinsen Qualification Tokai area 1st round
Date	2011-04-17		Rating	2393.11
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1943.15
2	Black	Win	Mano Yoshihisa	2273.37
3	Black	Win	Maruyama Yasushi	2230.92
4	Black	Win	Miyoshi Takeo	2146.80
6th All Japan Championship
Date	2011-03-27		Rating	2391.04
Round	Color	Result	Opponent
1	White	Loss	Kon Akira	2010.31
2	White	Loss	Kamiya Shunsuke	2408.37
3	Black	Loss	Kawano Takahisa	2352.61
4	White	Win	Miyagawa Sou	2119.51
5	White	Win	Miyoshi Takeo	2142.29
6	White	Draw	Mano Yoshihisa	2277.25
3rd Tohoku Championship
Date	2011-02-27		Rating	2393.65
Round	Color	Result	Opponent
1	Black	Win	Hirono Masakazu	1986.67
2	White	Win	Fukui Nobuhiro	2392.55
3	White	Loss	Tamada Yoichi	2515.44
4	White	Win	Kobayashi Koichi	2142.57
5	Black	Win	Miyagawa Sou	2122.42
36 Tokai Championship final match
Date	2011-02-20		Rating	2393.82
Round	Color	Result	Opponent
1	White	Draw	Mano Yoshihisa	2284.71
2	Black	Win	Mano Yoshihisa	2284.71
3	White	Win	Mano Yoshihisa	2284.71
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2393.06
Round	Color	Result	Opponent
S1	White	Draw	Nakamura Shigeru	2858.69
S2	Black	Loss	Isobe Taizan	2409.44
S4	White	Win	Gakumazawa Hideaki	2114.55
S5	Black	Loss	Oosumi Yuuki	2738.21
36 Tokai Championship 2nd round
Date	2010-11-21		Rating	2390.49
Round	Color	Result	Opponent
1	Black	Loss	Mano Yoshihisa	2309.62
2	White	Win	Yamamoto Yasuhiro	2125.62
3	Black	Win	Miyoshi Takeo	2128.90
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2390.31
Round	Color	Result	Opponent
1	White	Win	Matsuoka Teruo	1979.46
2	White	Loss	Nakayama Tomoharu	2521.15
3	Black	Win	Shimoyama Takuma	2241.73
4	White	Loss	Fukui Nobuhiro	2347.81
48th Meijinsen Tournament
Date	2010-09-20		Rating	2392.22
Round	Color	Result	Opponent
1	Black	Loss	Oosumi Yuuki	2704.14
2	Black	Win	Yamaguchi Yusui	2592.57
3	Black	Win	Kawano Takahisa	2322.50
4	White	Loss	Sakamoto Suzan	2352.33
5	Black	Draw	Matsuura Hiroshi	2392.89
6	Black	Loss	Iio Yoshihiro	2531.22
7	White	Loss	Okabe Hiroshi	2697.34
8	White	Loss	Tamada Yoichi	2499.18
9	White	Win	Koiso Shigemasa	2174.65
27th Kanto Championship
Date	2010-05-23		Rating	2399.46
Round	Color	Result	Opponent
1	White	Win	Fukui Nobuhiro	2316.84
2	Black	Loss	Kawamura Norihiko	2586.92
3	White	Win	Nagao Noriaki	2378.78
4	White	Loss	Okabe Hiroshi	2704.13
5	White	Loss	Tomobe Katsuhiro	2209.36
Meijinsen Qualification Tokai area 2nd round
Date	2010-05-16		Rating	2400.11
Round	Color	Result	Opponent
1	Black	Win	Mano Yoshihisa	2320.97
2	White	Draw	Yamamoto Yasuhiro	2139.43
3	Black	Win	Suzuki Junichiro	1916.71
Team World Championship 2010
Date	2010-05-05		Rating	2400.98
Round	Color	Result	Opponent
3	White	Win	Sumarokov Evgeny	2559.85
5	White	Win	Timmermann Alvar	2243.48
8	White	Win	Yakovleva Alyona	2031.86
10	White	Loss	Artemyev Sergey	2623.15
48 Meijinsen Qualification Tokai area 1st round
Date	2010-04-18		Rating	2400.64
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1917.27
2	White	Win	Saito Syuichi	2100.98
3	White	Win	Mano Yoshihisa	2322.21
4	White	Draw	Maruyama Yasushi	2246.25
5th All Japan Championship
Date	2010-03-21		Rating	2398.87
Round	Color	Result	Opponent
1	White	Win	Kuramoto Hideharu	1901.88
2	White	Win	Kim Chang-Su	2057.04
3	Black	Win	Kawamura Norihiko	2588.78
4	White	Win	Oosumi Yuuki	2649.81
5	Black	Loss	Okabe Hiroshi	2702.50
6	Black	Loss	Yamaguchi Yusui	2585.42
2nd Tohoku Championship
Date	2010-03-14		Rating	2397.39
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2099.45
2	White	Win	Gakumazawa Hideaki	2130.72
3	White	Win	Hirono Masakazu	1970.24
4	Black	Win	Seiryu Masanori	1987.79
5	White	Win	Miyagawa Sou	2133.41
35 Tokai Championship final match
Date	2010-02-21		Rating	2393.71
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2249.43
2	Black	Win	Maruyama Yasushi	2249.43
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2388.62
Round	Color	Result	Opponent
S1	Black	Win	Nagao Noriaki	2360.93
S2	Black	Loss	Yamaguchi Yusui	2586.44
S3	Black	Loss	Okabe Hiroshi	2693.07
S4	Black	Win	Suzuki Junichiro	1916.05
S5	White	Loss	Tamura Kazumasa	2513.61
35 Tokai Championship 2nd round
Date	2009-11-15		Rating	2371.62
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2154.10
2	Black	Draw	Maruyama Yasushi	2261.59
3	White	Draw	Yamamoto Yasuhiro	2150.74
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2370.44
Round	Color	Result	Opponent
2	White	Win	Miyoshi Takeo	2156.83
3	White	Loss	Iio Yoshihiro	2521.54
4	White	Win	Miyagawa Junzo	2200.50
5	White	Draw	Oosumi Yuuki	2630.96
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2370.18
Round	Color	Result	Opponent
S1	White	Win	Matsuo Toshiko	1982.19
S2	Black	Loss	Tamura Kazumasa	2509.95
S3	Black	Loss	Okumura Toyohiko	2331.48
S4	White	Loss	Sakamoto Suzan	2323.44
S5	Black	Loss	Mano Yoshihisa	2321.31
35 Tokai Championship 1st round
Date	2009-10-18		Rating	2369.27
Round	Color	Result	Opponent
1	White	Win	Suzuki Junichiro	1905.74
2	White	Win	Yamamoto Yasuhiro	2151.23
3	White	Loss	Mano Yoshihisa	2319.78
4	White	Win	Kamikubo Mineo	1941.08
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2368.98
Round	Color	Result	Opponent
1	Black	Win	Kuramoto Hideharu	1898.87
2	Black	Win	Suzuki Rin	1954.51
3	White	Loss	Ono Takayuki	2402.02
4	White	Loss	Nagao Noriaki	2332.17
47th Meijinsen tournament
Date	2009-09-22		Rating	2369.87
Round	Color	Result	Opponent
1	Black	Loss	Kataoka Mitsuaki	2259.08
2	White	Loss	Matsuura Hiroshi	2366.85
3	White	Loss	Okabe Hiroshi	2673.01
4	White	Draw	Oosumi Yuuki	2626.82
5	White	Win	Sakamoto Suzan	2313.18
6	Black	Draw	Iio Yoshihiro	2516.35
7	White	Loss	Yamaguchi Yusui	2575.98
8	White	Draw	Tamura Kazumasa	2507.79
9	White	Loss	Kawamura Norihiko	2634.00
World Championship 2009, BT
Date	2009-08-13		Rating	2375.52
Round	Color	Result	Opponent
1	White	Loss	Pajuste Renee	2417.32
2	White	Win	Nikonov Konstantin	2583.89
3	White	Loss	Nowak Paweł	2437.63
4	Black	Loss	Golosov Viktor	2432.41
5	White	Win	Rejšek Jan	2165.99
6	White	Win	Yu Tien-Lung	2134.25
7	White	Draw	Nikonova Natalya	2371.11
8	White	Win	Tamura Kazumasa	2504.89
9	White	Loss	Lin Huang-Yu	2607.28
World Championship 2009, QT
Date	2009-08-05		Rating	2376.30
Round	Color	Result	Opponent
1	White	Loss	Nykl Ondřej	2550.71
2	White	Loss	Tarannikov Yuriy	2720.55
3	Black	Win	Andersson Tord	2407.36
4	White	Loss	Laube Pavel	2441.40
5	Black	Loss	Savrasova Yulia	2660.27
7	Black	Draw	Hu Xi	2378.05
47th Meijinsen Qualification Tokai area 2nd round
Date	2009-05-17		Rating	2387.79
Round	Color	Result	Opponent
1	Black	Win	Kawasaki Nobuhiko	2108.39
2	Black	Win	Yamamoto Yasuhiro	2145.75
3	Black	Win	Miyoshi Takeo	2197.86
47th Meijinsen Qualification Tokai area 1st round
Date	2009-04-19		Rating	2389.89
Round	Color	Result	Opponent
1	Black	Win	Miyazu Goichi	1809.57
2	Black	Win	Maruyama Yasushi	2247.05
3	Black	Draw	Miyoshi Takeo	2205.75
4	White	Win	Yamamoto Yasuhiro	2142.44
4th All Japan Championship
Date	2009-03-21		Rating	2391.14
Round	Color	Result	Opponent
1	Black	Win	Hara Masao	2020.97
2	Black	Win	Okabe Hiroshi	2670.87
3	Black	Loss	Mitsumori Masao	2348.98
4	White	Loss	Tamada Yoichi	2297.86
5	White	Win	Iwano Fumio	2175.61
6	Black	Draw	Iio Yoshihiro	2486.97
1st Tohoku Championship
Date	2009-02-22		Rating	2391.97
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2117.34
2	White	Loss	Sato Kiyotomi	2452.60
3	White	Win	Gakumazawa Hideaki	2167.10
4	Black	Win	Tanno Yoshitaka	2119.66
5	Black	Loss	Hirono Masakazu	1929.49
34th Tokai Championship, Final Match
Date	2009-02-15		Rating	2392.80
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2217.73
2	Black	Win	Miyoshi Takeo	2217.73
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2397.57
Round	Color	Result	Opponent
S1	White	Loss	Nakamura Shigeru	2861.01
S2	White	Win	Mitsumori Masao	2336.97
S3	Black	Win	Oosumi Yuuki	2591.72
S4	White	Win	Tamura Kazumasa	2498.45
S5	White	Loss	Yamaguchi Yusui	2572.85
34th Tokai Championship 2nd round
Date	2008-11-16		Rating	2397.97
Round	Color	Result	Opponent
	Black	Draw	Miyoshi Takeo	2228.90
	Black	Win	Yamamoto Yasuhiro	2119.22
	Black	Win	Maruyama Yasushi	2237.07
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2397.58
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2168.15
2	White	Win	Kobayashi Koichi	2111.06
3	White	Loss	Sato Kiyotomi	2450.54
4	Black	Win	Maruta Hiroki	2064.65
46th Meijinsen Tournament
Date	2008-09-15		Rating	2396.47
Round	Color	Result	Opponent
1	White	Loss	Hata Masayuki	2260.55
2	Black	Loss	Kawamura Norihiko	2662.98
3	Black	Loss	Sato Kiyotomi	2443.86
4	White	Loss	Okabe Hiroshi	2691.59
5	White	Draw	Matsuura Hiroshi	2328.18
6	Black	Draw	Oosumi Yuuki	2560.89
7	Black	Win	Kataoka Mitsuaki	2251.44
8	White	Draw	Iio Yoshihiro	2508.27
9	Black	Loss	Yamaguchi Yusui	2582.97
46th Meijinsen Qualification Tokai area, Final round
Date	2008-05-18		Rating	2408.20
Round	Color	Result	Opponent
	Black	Win	Maruyama Yasushi	2208.92
	Black	Win	Miyoshi Takeo	2262.48
	Black	Win	Yamamoto Yasuhiro	2106.54
Team World Championship 2008
Date	2008-05-02		Rating	2408.53
Round	Color	Result	Opponent
1	White	Win	Kolouchová Monika	2362.98
2	White	Loss	Salnikov Pavel	2538.92
3	White	Loss	Wu Di	2696.09
4	White	Win	Carlsson Martin	2376.25
5	White	Draw	Kadulin Alexander	2571.28
7	White	Draw	Oll Aivo	2728.09
8	White	Win	Ikonen Jussi	2262.87
9	White	Loss	Kolesnik Vladimir	2241.03
46th Meijinsen Qualification Tokai area 1st round
Date	2008-04-20		Rating	2408.02
Round	Color	Result	Opponent
	Black	Win	Yamamoto Yasuhiro	2107.57
	Black	Win	Maruyama Yasushi	2201.58
	Black	Win	Miyazu Goichi	1824.92
	Black	Win	Kamikubo Mineo	1883.25
3rd All Japan Championship
Date	2008-03-23		Rating	2405.40
Round	Color	Result	Opponent
1	White	Loss	Kubo Izumi	2097.92
2	White	Loss	Tanizaki Ryusuke	2122.06
3	White	Win	Nakayama Tomoharu	2231.94
4	White	Win	Tadokoro Hosai	1927.15
5	Black	Win	Tamada Yoichi	2207.42
6	White	Win	Iio Yoshihiro	2525.28
33rd Tokai Championship final match
Date	2008-02-17		Rating	2403.88
Round	Color	Result	Opponent
1	Black	Loss	Miyoshi Takeo	2281.91
2	White	Win	Miyoshi Takeo	2281.91
3	Black	Win	Miyoshi Takeo	2281.91
8th Kanto Renju Emperor Tournament 2nd round
Date	2007-12-16		Rating	2401.19
Round	Color	Result	Opponent
1	White	Win	Okabe Hiroshi	2656.92
2	White	Loss	Ono Takayuki	2386.77
3	Black	Win	Isobe Taizan	2435.99
4	Black	Loss	Nakamura Shigeru	2858.15
5	White	Loss	Kurata Kiyotaka	2275.60
33rd Tokai Championship 2nd round
Date	2007-11-18		Rating	2399.67
Round	Color	Result	Opponent
	White	Win	Miyoshi Takeo	2294.07
	Black	Loss	Yamamoto Yasuhiro	2098.46
	Black	Win	Maruyama Yasushi	2171.91
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2399.04
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2118.00
2	Black	Win	Watanabe Tatsuya	2140.15
3	Black	Win	Maruta Koji	2098.60
4	Black	Win	Kurata Kiyotaka	2276.16
5	Black	Win	Ono Takayuki	2379.10
World Championship 2007, BT
Date	2007-08-15		Rating	2387.86
Round	Color	Result	Opponent
1	White	Win	Skuridin Alexey	2429.71
2	White	Loss	Lu Wei-Yuan	2452.28
3	Black	Loss	Qiu Yunfei	2495.48
4	White	Win	Andersson Tord	2352.01
5	White	Win	Pushkaryov Dmitry	2091.75
6	White	Win	Dvoeglazov Vladimir	2371.50
7	Black	Loss	Sorokina Oksana	2486.56
8	White	Loss	Ikonen Jussi	2265.02
9	White	Loss	Oosumi Yuuki	2551.04
World Championship 2007, QT
Date	2007-08-08		Rating	2387.02
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2540.63
2	White	Loss	Karasyov Maxim	2498.38
3	White	Loss	Li Shih-Wen	2392.65
4	White	Win	Ikonen Jussi	2264.32
5	White	Loss	Eriksson Bjorn	2344.90
6	White	Win	Eged Igor	2294.77
7	White	Win	Lillemets Rauni	2100.23
45th Meijinsen Qualification Tokai area final round
Date	2007-05-20		Rating	2384.86
Round	Color	Result	Opponent
	White	Loss	Miyoshi Takeo	2296.65
	Black	Win	Yamamoto Yasuhiro	2081.41
	Black	Win	Ooura Tadahito	2027.59
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2385.04
Round	Color	Result	Opponent
1	Black	Win	Tanizaki Ryusuke	2142.43
2	White	Loss	Sato Kiyotomi	2421.24
3	Black	Win	Ono Takayuki	2346.44
4	White	Win	Kubo Izumi	2099.85
5	Black	Win	Arita Nobuyoshi	2366.76
45th Meijinsen Qualification Tokai area - 1st round
Date	2007-04-15		Rating	2383.38
Round	Color	Result	Opponent
1	Black	Win	Kugizaki Michihiko	1844.51
2	Black	Draw	Miyoshi Takeo	2290.72
3	Black	Win	Kamikubo Mineo	1870.44
4	White	Win	Ooura Tadahito	2030.36
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2381.54
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2102.50
2	Black	Draw	Sakamoto Suzan	2297.90
3	Black	Loss	Ono Takayuki	2343.05
4	White	Loss	Sato Kiyotomi	2425.40
5	Black	Win	Kato Yasuhiro	1964.18
6	Black	Win	Mitsumori Masao	2266.81
32nd Tokai Championship - Final Match
Date	2007-02-11		Rating	2380.27
Round	Color	Result	Opponent
1	Black	Win	Miyoshi Takeo	2282.23
2	White	Win	Miyoshi Takeo	2282.23
32nd Tokai Championship - 2nd round
Date	2006-11-26		Rating	2371.76
Round	Color	Result	Opponent
	White	Win	Miyazu Goichi	1820.04
	White	Win	Maruyama Yasushi	2148.83
	White	Draw	Miyoshi Takeo	2283.01
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2363.11
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2300.68
2	White	Loss	Yamaguchi Yusui	2638.75
3	Black	Loss	Sato Kiyotomi	2442.41
4	Black	Draw	Nagao Noriaki	2243.15
5	White	Loss	Iio Yoshihiro	2513.02
6	Black	Loss	Kawamura Norihiko	2666.14
7	Black	Loss	Okabe Hiroshi	2602.23
8	White	Win	Fujii Naoki	2137.45
9	White	Loss	Oosumi Yuuki	2454.91
Asian Championship 2006
Date	2006-08-15		Rating	2363.07
Round	Color	Result	Opponent
1	Black	Loss	Park Jeong Ho	2388.72
2	Black	Loss	Kubo Izumi	2100.30
3	White	Win	Kang Bo-Ra	1748.50
4	White	Win	Mitsumori Masao	2245.07
5	White	Win	Chang Jae-Won	2018.80
6	White	Win	Park Eol	2256.23
7	White	Loss	Iio Yoshihiro	2512.19
8	White	Loss	Lee Jo-Sub	2330.69
Meijin-sen Qual, Tokai area final round
Date	2006-06-11		Rating	2372.30
Round	Color	Result	Opponent
	Black	Loss	Shinoda Kiyoshi	2357.42
	Black	Win	Miyoshi Takeo	2273.45
	Black	Win	Maruyama Yasushi	2151.03
Meijin-sen Qual, Tokai area 1st round
Date	2006-05-21		Rating	2375.15
Round	Color	Result	Opponent
1	Black	Win	Takatsu Hitoshi	1923.01
2	White	Draw	Shinoda Kiyoshi	2357.10
3	Black	Win	Suzuki Junichiro	1862.16
4	White	Win	Yamamoto Yasuhiro	2062.78
31st Tokai Championship - Final Match
Date	2006-02-12		Rating	2385.87
Round	Color	Result	Opponent
1	Black	Loss	Shinoda Kiyoshi	2350.65
2	White	Win	Shinoda Kiyoshi	2350.65
3	Black	Draw	Shinoda Kiyoshi	2350.65
4	White	Win	Shinoda Kiyoshi	2350.65
31st Tokai Championship - Semi final
Date	2005-11-20		Rating	2392.29
Round	Color	Result	Opponent
	White	Loss	Shinoda Kiyoshi	2347.91
	Black	Win	Miyoshi Takeo	2279.15
	Black	Draw	Yamamoto Yasuhiro	2052.29
37th Kyoto Classified - Special class
Date	2005-11-13		Rating	2393.29
Round	Color	Result	Opponent
1	White	Draw	Okabe Hiroshi	2593.59
2	White	Win	Sakamoto Suzan	2285.98
3	Black	Loss	Miyoshi Takeo	2279.79
4	White	Win	Adachi Yasuhiro	2049.14
5	Black	Win	Miyagawa Junzo	2251.35
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2398.81
Round	Color	Result	Opponent
1	White	Loss	Matsuura Hiroshi	2349.84
2	Black	Draw	Oosumi Yuuki	2392.30
3	White	Draw	Okabe Hiroshi	2589.75
4	White	Win	Kawate Kozo	2173.60
5	Black	Win	Takashima Junya	2510.36
6	White	Loss	Hasegawa Kazuto	2703.13
7	White	Win	Tanaka Koichi	2333.85
8	Black	Loss	Yamaguchi Yusui	2589.90
9	White	Loss	Sato Kiyotomi	2392.74
World Championship 2005, BT
Date	2005-08-05		Rating	2403.12
Round	Color	Result	Opponent
1	Black	Draw	Kudomi Takahiro	2295.66
2	White	Win	Kubo Izumi	2142.61
3	White	Win	Balabhai Viktor	2368.72
4	White	Draw	Oblikas Mikk	2262.05
5	Black	Win	Sandstrom Richard	2269.49
6	White	Win	Kozhin Mikhail	2550.79
7	Black	Win	Maximov Nikolay	2162.82
8	Black	Loss	Yamaguchi Yusui	2580.69
9	White	Loss	Ilu Timo	2578.86
World Championship 2005, QT
Date	2005-07-31		Rating	2403.06
Round	Color	Result	Opponent
1	Black	Draw	Ilu Timo	2578.35
2	Black	Loss	Karlsson Stefan	2544.79
3	White	Win	Poghosyan Albert	2376.53
4	Black	Loss	Oll Aivo	2554.70
5	White	Win	Nowakowski Maciej	2404.38
6	White	Loss	Chen Ko-Han	2505.09
7	White	Win	Wang Chih-Kung	2206.45
43rd Meijinsen Qualification: Tokai area - 2nd round
Date	2005-06-12		Rating	2399.81
Round	Color	Result	Opponent
	Black	Win	Miyoshi Takeo	2277.93
	Black	Draw	Shinoda Kiyoshi	2328.49
	Black	Win	Yamamoto Yasuhiro	2044.24
22nd Kanto Championship
Date	2005-05-22		Rating	2397.61
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	1949.77
2	White	Win	Watanabe Tatsuya	2105.57
3	Black	Loss	Kawamura Norihiko	2692.70
4	White	Win	Sato Kiyotomi	2394.51
5	Black	Win	Maruta Koji	2156.98
43rd Meijinsen Qualification: Tokai-area 1st round
Date	2005-05-15		Rating	2396.28
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1824.86
2	Black	Win	Saito Syuichi	2071.23
3	Black	Win	Miyoshi Takeo	2276.10
4	White	Win	Yamamoto Yasuhiro	2044.41
The 3rd Shanghai Renju Meijin Invitation Tournament
Date	2005-05-04		Rating	2393.43
Round	Color	Result	Opponent
1	Black	Win	Wu Jie	2236.04
2	Black	Draw	Chen Wenxia	2457.34
3	Black	Loss	Yamaguchi Yusui	2559.95
4	Black	Loss	Isobe Taizan	2466.47
5	Black	Win	Gu Gongbo	2117.61
6	Black	Loss	Xue Wenxi	2395.16
7	Black	Win	Tao Junfeng	1873.89
Japan WC Qualification tournament
Date	2005-04-03		Rating	2387.39
Round	Color	Result	Opponent
1	White	Loss	Kato Yasuhiro	2025.18
2	Black	Win	Miyagawa Sou	2128.95
3	Black	Win	Kubo Izumi	2170.73
4	White	Loss	Miyagawa Junzo	2253.69
5	Black	Loss	Yamaguchi Yusui	2557.21
6	Black	Win	Mitsumori Masao	2257.04
30th Tokai Championship - Final match
Date	2005-01-16		Rating	2381.94
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2148.58
2	White	Win	Maruyama Yasushi	2148.58
3	Black	Draw	Maruyama Yasushi	2148.58
30th Tokai Championship - 2nd round
Date	2004-11-21		Rating	2380.34
Round	Color	Result	Opponent
	White	Win	Yamamoto Hukue	1629.13
	White	Win	Miyoshi Takeo	2257.20
	White	Draw	Maruyama Yasushi	2145.59
The 42nd Meijin-sen Tournament
Date	2004-09-20		Rating	2378.22
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2656.84
2	White	Loss	Saito Koji	2192.63
3	White	Loss	Matsuura Hiroshi	2405.56
4	Black	Win	Iio Yoshihiro	2456.84
5	White	Win	Takagawa Teiji	2336.88
6	Black	Draw	Okabe Hiroshi	2563.90
7	White	Loss	Kawamura Norihiko	2721.49
8	Black	Loss	Sakamoto Suzan	2292.74
9	White	Win	Sakashita Shoichi	2206.10
42nd Meijinsen Qualification: Tokai 2nd round
Date	2004-06-13		Rating	2380.88
Round	Color	Result	Opponent
	Black	Win	Shinoda Kiyoshi	2294.44
	Black	Draw	Yamamoto Yasuhiro	2076.04
	Black	Win	Maruyama Yasushi	2132.18
42nd Meijinsen Qualification: Tokai 1st round
Date	2004-05-23		Rating	2380.93
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2242.12
2	Black	Loss	Yamamoto Yasuhiro	2077.92
3	White	Win	Gamano Yutaka	2050.19
4	Black	Draw	Maruyama Yasushi	2133.05
Team World Championship 2004
Date	2004-05-05		Rating	2382.41
Round	Color	Result	Opponent
1	Black	Loss	Andersson Tord	2365.35
3	Black	Draw	Soosõrv Ants	2651.23
4	White	Win	Petrov Boris	2166.06
7	White	Loss	Artemyev Sergey	2570.81
8	White	Win	Karasyov Maxim	2483.33
9	White	Loss	Chingin Konstantin	2741.07
29th Tokai Championship - Final Match
Date	2004-02-08		Rating	2386.67
Round	Color	Result	Opponent
1	Black	Win	Oota Tsuyoshi	2238.73
2	White	Draw	Oota Tsuyoshi	2238.73
3	Black	Draw	Oota Tsuyoshi	2238.73
7th Mikami Cup - Special Class
Date	2004-01-25		Rating	2387.52
Round	Color	Result	Opponent
1	White	Draw	Yamaguchi Yusui	2595.41
2	White	Win	Mitsumori Masao	2261.72
3	Black	Win	Kudomi Takahiro	2323.03
4	Black	Loss	Kawamura Norihiko	2720.49
29th Tokai Championship - 2nd round
Date	2003-11-16		Rating	2384.95
Round	Color	Result	Opponent
	Black	Win	Oota Tsuyoshi	2237.77
	Black	Win	Gamano Yutaka	2063.40
	Black	Loss	Miyoshi Takeo	2233.75
41st Meijin-sen Tournament
Date	2003-09-15		Rating	2384.53
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2627.16
2	Black	Win	Kudomi Takahiro	2341.60
3	Black	Loss	Okabe Hiroshi	2552.16
4	Black	Win	Miyagawa Junzo	2262.21
5	Black	Win	Isobe Taizan	2418.09
6	White	Loss	Matsuura Hiroshi	2409.88
7	Black	Loss	Iio Yoshihiro	2498.29
8	White	Draw	Takashima Junya	2342.67
9	Black	Draw	Kuga Akio	2384.68
World Championship 2003, BT
Date	2003-08-08		Rating	2384.36
Round	Color	Result	Opponent
1	Black	Draw	Purk Andry	2289.88
2	White	Draw	Rybka Aleš	2207.32
3	White	Draw	Chernov Sergey	2343.77
4	White	Win	Tamura Kazumasa	2301.53
5	White	Loss	Kubo Izumi	2225.93
6	White	Win	Smirnov Dmitry	2195.90
7	Black	Win	Mitsumori Masao	2291.17
8	White	Win	Chang Yi-Feng	2463.71
9	White	Loss	Tarannikov Yuriy	2582.13
World Championship 2003, QT
Date	2003-07-31		Rating	2384.11
Round	Color	Result	Opponent
1	Black	Win	Pelikan Alan	1875.47
2	Black	Loss	Makarov Pavel	2516.81
3	White	Win	Lu Wei-Yuan	2209.05
4	White	Win	Chen Ko-Han	2423.25
5	Black	Loss	Iio Yoshihiro	2495.59
6	White	Loss	Pellikka Marko	2290.97
7	Black	Loss	Gardström Petter	2417.23
41th Meijinsen Qualification: Tokai area 2nd round
Date	2003-06-08		Rating	2387.63
Round	Color	Result	Opponent
	Black	Win	Miyoshi Takeo	2240.51
	White	Win	Koide Morihiro	2032.02
	White	Win	Suzuki Junichiro	1853.08
41th Meijinsen Qualification: Tokai area - 1st round
Date	2003-05-18		Rating	2387.95
Round	Color	Result	Opponent
1	White	Win	Miyazu Goichi	1767.88
2	White	Loss	Miyoshi Takeo	2243.62
3	White	Win	Suzuki Junichiro	1852.53
4	Black	Win	Koide Morihiro	2030.88
Japan WC Qualification 2003
Date	2003-03-22		Rating	2392.07
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2181.42
2	White	Win	Hara Masao	2114.27
3	Black	Win	Tamura Kazumasa	2283.28
4	Black	Loss	Okabe Hiroshi	2527.73
5	White	Loss	Nara Hideki	2590.43
28th Tokai Championship - Final Match
Date	2003-01-19		Rating	2395.24
Round	Color	Result	Opponent
1	Black	Win	Miyoshi Takeo	2242.94
2	White	Win	Miyoshi Takeo	2242.94
40th Meijin-sen Tournament
Date	2002-09-16		Rating	2393.47
Round	Color	Result	Opponent
1	Black	Win	Nishimura Toshio	2355.14
2	White	Win	Iio Yoshihiro	2433.95
3	Black	Draw	Takagawa Teiji	2360.92
4	White	Loss	Okabe Hiroshi	2476.25
5	White	Draw	Matsuura Hiroshi	2314.85
6	White	Loss	Isobe Taizan	2447.89
7	Black	Draw	Yamaguchi Yusui	2591.67
8	White	Loss	Hasegawa Kazuto	2592.93
9	Black	Loss	Kudomi Takahiro	2394.53
40th Meijinsen Qualification: Tokai 2nd round
Date	2002-06-09		Rating	2396.93
Round	Color	Result	Opponent
	Black	Draw	Miyoshi Takeo	2236.86
	Black	Win	Maruyama Yasushi	2184.80
	Black	Win	Takazawa Nagayoshi	2076.54
40th Meijinsen Qualification Tokai area 1st-Round
Date	2002-05-19		Rating	2397.32
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2186.38
2	Black	Win	Miyazu Goichi	1787.27
3	Black	Win	Yamamoto Yasuhiro	2023.98
4	Black	Win	Takazawa Nagayoshi	2077.33
33rd Kyoto Classified - special class
Date	2001-11-11		Rating	2400.81
Round	Color	Result	Opponent
1	White	Loss	Doi Manabu	2117.34
2	Black	Win	Kimura Shin	1910.21
3	Black	Draw	Hayakawa Yoshimi	2418.20
4	White	Win	Adachi Yasuhiro	2006.30
5	Black	Loss	Hasegawa Kazuto	2579.95
World Championship 2001, AT
Date	2001-08-12		Rating	2411.84
Round	Color	Result	Opponent
1	White	Loss	Meritee Ando	2860.47
2	White	Loss	Nara Hideki	2541.83
3	White	Win	Kim Byoung-Jun	2455.02
4	White	Draw	Soosõrv Ants	2604.99
5	Black	Draw	Gardström Petter	2515.75
6	Black	Loss	Sinyov Igor	2649.69
7	Black	Win	Gaulitz Joachim	2421.27
8	White	Loss	Karlsson Stefan	2510.30
9	White	Win	Lin Sheng-Min	2205.99
10	Black	Loss	Nikonov Konstantin	2490.59
11	Black	Draw	Sushkov Vladimir	2695.94
Japan WC Qualification tournament
Date	2001-03-24		Rating	2417.97
Round	Color	Result	Opponent
1	Black	Win	Iwata Akihisa	2198.32
2	Black	Win	Sunagawa Shouki	2224.25
3	Black	Win	Miyoshi Takeo	2193.77
4	White	Win	Nara Hideki	2557.99
5	Black	Win	Kusajima Masato	2386.90
6	White	Loss	Hasegawa Kazuto	2564.24
7	Black	Win	Mitsumori Masao	2299.30
38th Meijinsen Qualification: Tokai 2nd round
Date	2000-06-11		Rating	2371.19
Round	Color	Result	Opponent
	White	Loss	Maruyama Yasushi	2252.66
	White	Loss	Saito Koji	2258.61
	Black	Win	Miyoshi Takeo	2175.51
38th Meijinsen Qualification: Tokai 1st round
Date	2000-05-21		Rating	2370.26
Round	Color	Result	Opponent
1	White	Loss	Saito Koji	2258.23
2	Black	Win	Miyoshi Takeo	2174.55
3	Black	Win	Suzuki Toyoshige	1938.19
4	Black	Win	Maruyama Yasushi	2251.23
“Compaq Cup” International Invitational Tournament
Date	1997-05-10		Rating	2321.42
Round	Color	Result	Opponent
1	Black	Win	Deng Jinghui	2121.83
2	Black	Loss	Mitsumori Masao	2326.49
3	White	Win	Chen Lung-Chuan	1888.67
4	Black	Win	Li Dong	2109.69
5	White	Loss	Holgersson Goran	2331.69
6	White	Draw	Yin Licheng	2148.30
7	Black	Win	Isobe Taizan	2428.41
8	Black	Win	Chung Hsien-Chi	2003.96
9	White	Loss	Karlsson Stefan	2429.95
Kyoto - 1200
Date	1994-08-07		Rating	2302.03
Round	Color	Result	Opponent
1	Black	Win	Chung Hsien-Chi	1895.52
2	Black	Draw	Dvoeglazov Vladimir	2269.24
3	Black	Win	Jonsson Peter	2097.90
4	Black	Draw	Isobe Taizan	2416.63
5	Black	Win	Doi Manabu	2129.00
6	White	Draw	Nishimura Toshio	2362.72
7	Black	Draw	Fujimoto K	2300.52
World Championship 1993, BT
Date	1993-08-12		Rating	2263.51
Round	Color	Result	Opponent
	White	Win	Matyuk Valeri	2177.74
	White	Draw	Fedorkin Oleg	2281.51
	White	Loss	Veidemanis Arnis	2390.58
	Black	Draw	Milevsky Alexander	2311.75
	White	Win	Johannesson Rickard	2124.82
	White	Loss	Chernov Sergey	2161.81