Ono Takayuki (小野孝之)

Place: Yokohama, Japan

Rating: 2411.59, Std: 77.69, Rank: 195

First game: 2001-08-12, Last game: 2025-07-27

Top rating: 2435.10 (2012-08-26)

Games: 734, Wins: 362, Draws: 48, Losses: 324

Gy1: 26, Gy2: 44, Gy5: 132

63rd Meijin-sen East Japan area 2nd round
Date	2025-07-27		Rating	2411.59
Round	Color	Result	Opponent
1	Black	Loss	Wang Qingqing	2665.40
2	Black	Loss	Inoue Fumiya	2505.36
3	White	Loss	Matsuda Shoma	2612.05
4	White	Loss	Kawamura Norihiko	2458.26
5	White	Draw	Shimura Hiroki	2230.63
63rd Meijin-sen Tokyo area 1st round
Date	2025-06-28		Rating	2416.32
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2278.39
2	Black	Loss	Matsuda Shoma	2610.24
3	White	Win	Yoshikawa Tomoki	2318.03
4	White	Draw	Wang Qingqing	2664.91
42nd Kanto Championship
Date	2025-06-28		Rating	2416.32
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2216.39
2	White	Loss	Okabe Hiroshi	2727.24
3	White	Loss	Matsuda Shoma	2610.24
4	Black	Win	Yoshikawa Takayuki	1851.93
5	White	Win	Miyamoto Syunju	2298.04
6	White	Win	Tachi Masaya	2517.29
25 Kanto Renju Emperor Tournament Final round
Date	2024-12-08		Rating	2413.39
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2850.84
2	Black	Loss	Okabe Hiroshi	2729.92
3	Black	Loss	Matsuda Shoma	2534.92
4	White	Loss	Wang Qingqing	2670.52
5	White	Loss	Fujita Maiko	2449.86
6	White	Win	Inoue Fumiya	2509.24
7	White	Win	Miyamoto Syunju	2304.20
25 Kanto Renju Emperor Tournament Qualification round
Date	2024-11-10		Rating	2413.60
Round	Color	Result	Opponent
1	White	Draw	Suenaga Daiki	2114.34
2	White	Win	Yoshikawa Tomoki	2256.79
3	White	Loss	Matsuda Shoma	2523.72
4	White	Win	Fujita Maiko	2445.11
62nd Meijin-sen East Japan area 2nd round
Date	2024-06-16		Rating	2412.41
Round	Color	Result	Opponent
1	Black	Loss	Matsuda Shoma	2493.94
2	White	Loss	Yokoyama Shota	2455.73
3	Black	Win	Fujita Maiko	2422.49
4	White	Win	Yoshikawa Tomoki	2221.74
5	Black	Draw	Inoue Fumiya	2498.41
62nd Meijin-sen Tokyo area 1st round
Date	2024-05-12		Rating	2411.88
Round	Color	Result	Opponent
1	White	Loss	Tanaka Shotaro	2325.66
2	Black	Win	Kishimoto Shogo	2183.68
3	White	Draw	Yokoyama Shota	2454.90
4	White	Loss	Matsuda Shoma	2484.93
27th New Year (Mikami) Cup
Date	2024-01-14		Rating	2419.93
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2721.63
S2	Black	Loss	Inoue Fumiya	2504.75
S4	Black	Loss	Ishitani Shin-ichi	2413.52
S5	White	Win	Matsuda Shoma	2433.34
24 Kanto Renju Emperor Tournament Kanto area 1st round
Date	2023-11-19		Rating	2426.95
Round	Color	Result	Opponent
1	Black	Win	Kishimoto Shogo	2198.90
2	Black	Win	Makino Mitsunori	2631.59
3	Black	Loss	Okabe Hiroshi	2721.33
4	White	Win	Matsuda Shoma	2418.30
ex	White	Loss	Makino Mitsunori	2631.59
40th Kanto Championship
Date	2023-07-09		Rating	2427.77
Round	Color	Result	Opponent
1	White	Draw	Matsuda Shoma	2392.59
2	Black	Win	Li Haoyang	2026.61
3	White	Draw	Ishitani Shin-ichi	2386.79
4	White	Win	Takazawa Nagayoshi	2288.29
5	Black	Win	Miyamoto Syunju	2306.22
6	White	Loss	Inoue Fumiya	2526.23
61st Meijin-sen East Japan area 2nd round
Date	2023-06-18		Rating	2427.29
Round	Color	Result	Opponent
1	Black	Loss	Fujita Maiko	2423.98
2	White	Win	Miyamoto Syunju	2301.11
3	Black	Loss	Inoue Fumiya	2524.74
4	White	Loss	Matsuda Shoma	2392.40
5	Black	Win	Shimura Hiroki	2151.49
61st Meijin-sen Tokyo area 1st round
Date	2023-05-14		Rating	2430.07
Round	Color	Result	Opponent
1	White	Win	Tanaka Shotaro	2328.47
2	White	Draw	Yokoyama Shota	2458.45
3	White	Win	Shimura Hiroki	2157.58
4	White	Win	Fujita Maiko	2420.37
26th New Year (Mikami) Cup
Date	2023-01-15		Rating	2425.58
Round	Color	Result	Opponent
S1	Black	Win	Fujita Maiko	2424.60
S2	White	Win	Tanaka Shotaro	2331.24
S3	Black	Loss	Okabe Hiroshi	2691.09
S4	Black	Loss	Inoue Fumiya	2531.85
23 Renju Emperor Tournament Kanto area 1st round
Date	2022-11-06		Rating	2420.32
Round	Color	Result	Opponent
1	White	Loss	Matsuda Shoma	2353.71
2	Black	Win	Tomobe Katsuhiro	2112.49
3	White	Loss	Tanaka Shotaro	2326.31
4	White	Win	Suzuki Yoshitaka	1994.53
60th Meijinsen Tournament
Date	2022-09-19		Rating	2422.06
Round	Color	Result	Opponent
1	Black	Loss	Nakayama Tomoharu	2804.50
2	White	Loss	Okabe Hiroshi	2699.51
3	Black	Draw	Kawamoto Shoma	2326.46
4	White	Draw	Kuga Akio	2404.32
5	White	Loss	Makino Mitsunori	2627.75
6	White	Loss	Nagasoe Hiroki	2655.94
7	White	Win	Miyamoto Syunju	2253.08
8	Black	Loss	Hasegawa Kazuto	2612.31
9	White	Win	Ishitani Shin-ichi	2363.13
39 Kanto Championship
Date	2022-07-31		Rating	2426.25
Round	Color	Result	Opponent
1	White	Win	Shimura Hiroki	2141.87
2	Black	Win	Takazawa Nagayoshi	2238.42
3	White	Loss	Okabe Hiroshi	2700.38
4	White	Win	Maruta Hiroki	2193.44
5	White	Win	Ishitani Shin-ichi	2361.30
6	White	Loss	Yokoyama Shota	2462.64
60th Meijinsen Qualification East-Japan area 2nd round
Date	2022-06-26		Rating	2427.58
Round	Color	Result	Opponent
1	White	Win	Yokoyama Shota	2456.76
2	Black	Win	Fujita Maiko	2419.94
3	Black	Loss	Nagasoe Hiroki	2661.29
4	White	Loss	Miyamoto Syunju	2263.34
5	White	Win	Maruta Hiroki	2198.55
ex	Black	Win	Miyamoto Syunju	2263.34
59th Meijinsen Tournament
Date	2022-01-10		Rating	2422.89
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2272.62
2	Black	Loss	Nagasoe Hiroki	2656.97
3	Black	Win	Iio Yoshihiro	2398.88
4	White	Loss	Okabe Hiroshi	2702.69
5	White	Win	Hasegawa Kazuto	2569.87
6	Black	Loss	Kamiya Shunsuke	2858.23
7	White	Loss	Nakayama Tomoharu	2822.89
8	Black	Win	Maruta Hiroki	2248.41
9	White	Win	Hayashi Shoichi	2155.60
38 Kanto Championship
Date	2021-08-08		Rating	2403.61
Round	Color	Result	Opponent
1	White	Draw	Yokoyama Shota	2453.33
2	White	Win	Nishizawa Aoi	2211.41
3	Black	Loss	Nagasoe Hiroki	2649.15
4	White	Win	Maruta Hiroki	2261.27
5	Black	Loss	Kamiya Shunsuke	2849.86
6	White	Win	Kasahara Reiko	1728.14
59th Meijinsen Qualification East-Japan area 2nd round
Date	2021-06-27		Rating	2396.62
Round	Color	Result	Opponent
1	White	Loss	Nagasoe Hiroki	2646.22
2	Black	Loss	Maruta Hiroki	2254.62
3	White	Loss	Tamada Yoichi	2570.34
4	White	Loss	Inoue Fumiya	2495.23
5	White	Win	Suenaga Daiki	2257.22
59th Meijinsen Qualification Kanto area 1st round
Date	2021-05-09		Rating	2395.03
Round	Color	Result	Opponent
1	Black	Loss	Nagasoe Hiroki	2642.41
2	White	Win	Maruta Hiroki	2242.72
3	White	Win	Fujita Maiko	2356.06
4	White	Draw	Suenaga Daiki	2264.23
16th All Japan Championship
Date	2021-03-28		Rating	2391.97
Round	Color	Result	Opponent
1	White	Win	Yoshimoto Yuta	2241.43
2	White	Loss	Nagasoe Hiroki	2637.55
3	Black	Loss	Maruyama Takashi	2058.77
4	Black	Win	Maruta Hiroki	2232.13
5	Black	Loss	Fujita Maiko	2362.71
6	White	Win	Suenaga Daiki	2264.16
24th New Year(Mikami)Cup
Date	2021-01-29		Rating	2392.29
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2734.55
S2	White	Loss	Ishitani Shin-ichi	2367.04
S3	Black	Loss	Makino Mitsunori	2558.54
S4	White	Win	Maruta Koji	2120.59
S5	White	Win	Maruta Hiroki	2230.50
21 Renju Emperor Tournament 2nd round
Date	2020-12-06		Rating	2395.46
Round	Color	Result	Opponent
1	White	Loss	Nagasoe Hiroki	2623.34
2	Black	Loss	Okabe Hiroshi	2733.73
3	Black	Loss	Makino Mitsunori	2547.71
4	White	Win	Shimura Hiroki	2002.29
5	White	Win	Inoue Fumiya	2467.70
21 Renju Emperor Tournament Kanto area 1st round
Date	2020-11-15		Rating	2396.54
Round	Color	Result	Opponent
1	Black	Win	Maruyama Takashi	2046.57
2	Black	Win	Maruta Hiroki	2240.34
3	Black	Loss	Inoue Fumiya	2465.21
4	Black	Win	Fujita Maiko	2366.94
58 Meijinsen Qualification East Japan area 2nd round
Date	2020-07-19		Rating	2396.57
Round	Color	Result	Opponent
1	White	Loss	Fujita Maiko	2373.12
2	White	Win	Kawaai Hitoshi	2010.73
3	White	Loss	Inoue Fumiya	2439.34
4	White	Win	Maruta Hiroki	2245.24
5	Black	Win	Tamada Yoichi	2524.02
ex	Black	Loss	Fujita Maiko	2373.12
58 Meijinsen Qualification Kanto area 1st round
Date	2020-06-21		Rating	2397.93
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2144.51
2	Black	Win	Inoue Fumiya	2435.46
3	White	Win	Maruta Hiroki	2242.32
4	White	Loss	Tamada Yoichi	2521.09
23 New Year (Mikami) Cup
Date	2020-01-26		Rating	2393.63
Round	Color	Result	Opponent
A1	White	Loss	Iwano Fumio	2173.21
A2	Black	Loss	Maruta Hiroki	2218.79
A3	White	Win	Ishitani Shin-ichi	2375.03
A4	Black	Win	Inoue Fumiya	2416.67
A5	Black	Loss	Nakamura Shigeru	2963.75
15th All Japan Championship
Date	2020-01-19		Rating	2393.85
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2817.60
2	White	Draw	Makino Mitsunori	2395.30
3	Black	Win	Kito Shinichi	2177.97
4	White	Win	Inoue Fumiya	2416.18
5	Black	Loss	Kawano Takahisa	2467.95
6	Black	Win	Sakamoto Suzan	2270.16
20 Renju Emperor Tournament Kanto area 1st round
Date	2019-11-10		Rating	2391.26
Round	Color	Result	Opponent
1	White	Loss	Iwano Fumio	2185.07
2	Black	Win	Maruta Hiroki	2195.42
3	White	Loss	Inoue Fumiya	2419.12
4	Black	Win	Maruyama Takashi	2044.23
36 Kanto Championship
Date	2019-07-28		Rating	2397.44
Round	Color	Result	Opponent
1	White	Win	Ito Midori	1762.61
2	Black	Win	Maruyama Takashi	2031.69
3	Black	Loss	Inoue Fumiya	2424.24
4	Black	Loss	Okabe Hiroshi	2717.96
5	Black	Win	Fujikawa Masaki	2151.47
6	White	Win	Maruta Hiroki	2191.04
57 Meijinsen Qualification East Japan area 2nd round
Date	2019-06-23		Rating	2399.64
Round	Color	Result	Opponent
1	Black	Loss	Inoue Fumiya	2426.10
2	White	Win	Maruta Hiroki	2187.34
3	White	Win	Kusajima Masato	2258.87
4	Black	Win	Maruta Koji	2143.01
5	Black	Loss	Koyama Jun	2606.71
57 Meijinsen Qualification Kanto area 1st round
Date	2019-05-12		Rating	2402.15
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2212.12
2	White	Win	Tamada Yoichi	2482.26
3	Black	Win	Maruta Koji	2143.37
4	White	Win	Fujita Maiko	2300.83
14th All Japan Championship
Date	2019-03-31		Rating	2398.10
Round	Color	Result	Opponent
1	White	Loss	Nakayama Tomoharu	2817.34
2	Black	Draw	Maruta Hiroki	2189.36
3	White	Win	Kusajima Masato	2270.62
4	Black	Loss	Koyama Jun	2586.46
5	White	Loss	Fujita Maiko	2289.28
6	Black	Draw	Miyamoto Syunju	2273.90
22 New Year (Mikami) Cup
Date	2019-01-20		Rating	2399.92
Round	Color	Result	Opponent
1	Black	Win	Fujita Maiko	2263.63
2	Black	Win	Fujikawa Masaki	2124.68
3	Black	Loss	Okabe Hiroshi	2691.13
4	White	Win	Takazawa Nagayoshi	2171.09
5	Black	Win	Kato Daisuke	1893.35
19 Renju Emperor Tournament Kanto area 1st round
Date	2018-10-21		Rating	2396.34
Round	Color	Result	Opponent
1	White	Win	Fujita Maiko	2247.17
2	White	Win	Maruta Hiroki	2177.62
3	Black	Draw	Iwano Fumio	2249.49
4	White	Loss	Ishitani Shin-ichi	2426.32
35 Kanto Championship
Date	2018-07-16		Rating	2394.01
Round	Color	Result	Opponent
4	White	Win	Iwano Fumio	2250.27
5	White	Win	Sato Kiyotomi	2442.75
6	White	Loss	Nakamura Shigeru	2993.41
56 Meijinsen Qualification East Japan area 2nd round
Date	2018-06-25		Rating	2391.54
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2443.39
2	White	Loss	Kusajima Masato	2307.07
3	Black	Win	Koyama Jun	2576.81
56 Meijinsen Qualification Kanto area 1st round
Date	2018-05-13		Rating	2387.92
Round	Color	Result	Opponent
1	Black	Loss	Iwano Fumio	2259.57
2	White	Win	Maruta Hiroki	2155.59
3	White	Loss	Sato Kiyotomi	2442.69
4	White	Win	Mitsumori Masao	2332.88
13th All Japan Championship
Date	2018-01-28		Rating	2384.55
Round	Color	Result	Opponent
1	Black	Win	Koyama Jun	2579.28
2	Black	Loss	Kamiya Shunsuke	2811.78
3	Black	Win	Fujita Yudai	2499.59
4	White	Loss	Ishitani Shin-ichi	2418.29
5	White	Win	Maruta Hiroki	2147.95
6	White	Draw	Sato Kiyotomi	2434.03
21 Mikami Cup
Date	2018-01-21		Rating	2383.42
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2716.98
S2	Black	Loss	Sato Kiyotomi	2434.34
S3	Black	Loss	Ishitani Shin-ichi	2416.54
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-01		Rating	2379.46
Round	Color	Result	Opponent
1	Black	Draw	Iwano Fumio	2258.99
2	Black	Win	Miyamoto Syunju	2281.84
3	White	Loss	Koyama Jun	2596.00
4	White	Loss	Sato Kiyotomi	2442.40
34 Kanto Championship
Date	2017-07-16		Rating	2379.44
Round	Color	Result	Opponent
1	Black	Win	Tomosue Takahito	1545.41
2	Black	Loss	Nakayama Tomoharu	2826.24
3	White	Win	Maruta Hiroki	2130.50
4	Black	Loss	Okabe Hiroshi	2721.24
5	Black	Win	Koyama Akihiro	1957.95
6	White	Win	Ishitani Shin-ichi	2394.15
55 Meijinsen Qualification East Japan area 2nd round
Date	2017-06-11		Rating	2377.06
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2471.36
2	White	Loss	Miyamoto Syunju	2270.49
3	Black	Win	Koyama Jun	2600.93
4	White	Win	Tomobe Katsuhiro	2163.31
5	Black	Loss	Tamada Yoichi	2539.03
55 Meijinsen Qualification Kanto area 1st round
Date	2017-05-21		Rating	2376.30
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2119.65
2	Black	Win	Sato Kiyotomi	2474.28
3	Black	Win	Mitsumori Masao	2331.42
4	White	Loss	Tamada Yoichi	2541.24
12th All Japan Championship
Date	2017-03-26		Rating	2368.20
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2722.78
2	Black	Win	Maruta Hiroki	2111.46
3	Black	Loss	Fujita Yudai	2488.59
4	White	Win	Maruta Koji	2153.75
5	Black	Loss	Nakayama Tomoharu	2794.63
6	Black	Loss	Iio Yoshihiro	2547.00
19 Mikami Cup
Date	2016-03-13		Rating	2329.41
Round	Color	Result	Opponent
S1	Black	Loss	Nakamura Shigeru	2941.73
S2	White	Loss	Ishitani Shin-ichi	2392.77
S4	Black	Draw	Kusajima Masato	2265.25
S5	White	Loss	Okabe Hiroshi	2721.04
16 Kanto Renju Emperor Tournament 2nd round
Date	2015-12-13		Rating	2326.39
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2924.75
2	Black	Loss	Koyama Jun	2642.34
3	White	Loss	Sato Kiyotomi	2537.88
4	Black	Loss	Okabe Hiroshi	2715.55
5	Black	Loss	Nakayama Tomoharu	2777.17
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2327.21
Round	Color	Result	Opponent
1	Black	Win	Nakamura Souta	2297.66
2	White	Loss	Okabe Hiroshi	2716.40
3	Black	Win	Hashimoto Takuya	2015.66
4	White	Loss	Koyama Jun	2642.91
53 Meijinsen Qualification East Japan area 2nd round
Date	2015-06-14		Rating	2325.52
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2507.15
2	Black	Loss	Kamiya Shunsuke	2693.00
3	Black	Loss	Koyama Jun	2623.42
4	Black	Loss	Nakamura Souta	2295.27
6	Black	Loss	Tamada Yoichi	2591.59
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2329.97
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2687.17
2	Black	Win	Kato Yasuhiro	2059.93
3	Black	Win	Fujikawa Masaki	2102.82
4	White	Loss	Tamada Yoichi	2586.92
10th All Japan Championship
Date	2015-03-29		Rating	2334.89
Round	Color	Result	Opponent
1	White	Loss	Nakamura Souta	2288.67
2	Black	Win	Maruta Hiroki	2078.61
3	Black	Win	Tanizaki Ryusuke	2203.24
3	Black	Loss	Kamiya Shunsuke	2676.24
4	White	Loss	Kamiya Shunsuke	2676.24
5	Black	Loss	Kobayashi Koichi	2295.05
6	Black	Win	Kubo Izumi	2085.44
15 Kanto Renju Emperor Tournament 2nd round
Date	2015-01-25		Rating	2346.97
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2739.83
2	Black	Loss	Nakamura Shigeru	2900.17
3	White	Loss	Nakamura Souta	2268.52
4	White	Win	Ishitani Shin-ichi	2430.86
5	White	Loss	Kamiya Shunsuke	2661.50
18 Mikami Cup Tournament
Date	2015-01-18		Rating	2348.52
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2740.02
S2	Black	Loss	Nakamura Shigeru	2899.63
S3	White	Draw	Isobe Taizan	2433.37
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2367.27
Round	Color	Result	Opponent
1	Black	Draw	Tada Ayako	2314.29
2	White	Loss	Kamiya Shunsuke	2641.70
3	Black	Win	Maruta Hiroki	2083.79
4	Black	Win	Fukui Nobuhiro	2610.40
52 Meijinsen Qualification East Japan area 2nd round
Date	2014-07-13		Rating	2382.31
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2611.45
2	Black	Win	Tamada Yoichi	2561.61
3	Black	Win	Kudomi Takahiro	2313.96
4	Black	Loss	Nakayama Tomoharu	2710.45
5	Black	Draw	Sato Kiyotomi	2479.04
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2383.69
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2262.97
2	Black	Win	Tada Ayako	2314.72
3	Black	Win	Tamada Yoichi	2556.98
4	White	Loss	Nakayama Tomoharu	2704.25
31th Kanto Championship
Date	2014-05-11		Rating	2380.67
Round	Color	Result	Opponent
1	White	Win	Nakamura Souta	2154.08
2	White	Loss	Ishitani Shin-ichi	2455.52
3	Black	Win	Kamiya Shunsuke	2605.24
4	White	Loss	Tamura Kazumasa	2522.70
5	White	Win	Kobayashi Koichi	2242.31
Team World Championship 2014
Date	2014-05-03		Rating	2379.26
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2543.24
3	Black	Loss	Chien Yung-Hsuan	2469.14
6	White	Loss	Iio Yoshihiro	2543.24
7	White	Loss	Hõbemägi Martin	2628.60
8	Black	Draw	Huang Yen-Hua	2370.58
10	Black	Loss	Epifanov Dmitry	2682.13
9th All Japan Championship
Date	2014-01-26		Rating	2376.09
Round	Color	Result	Opponent
1	Black	Win	Kim Chang-Su	2069.44
2	Black	Loss	Nakayama Tomoharu	2673.46
3	White	Win	Yamamoto Yasuhiro	2148.54
4	Black	Win	Ishitani Shin-ichi	2442.84
5	White	Loss	Oosumi Yuuki	2832.55
6	White	Loss	Iio Yoshihiro	2549.38
14th Mikami Cup S-class
Date	2014-01-19		Rating	2375.50
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2441.95
2	Black	Loss	Sato Kiyotomi	2464.04
4	White	Loss	Tamura Kazumasa	2531.39
5	Black	Loss	Nakayama Tomoharu	2672.71
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2386.71
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2159.77
2	White	Loss	Kamiya Shunsuke	2543.87
3	White	Win	Kobayashi Koichi	2216.06
4	Black	Loss	Mitsumori Masao	2334.09
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2416.81
Round	Color	Result	Opponent
S1	Black	Loss	Ishitani Shin-ichi	2368.02
S2	Black	Win	Kudomi Takahiro	2421.80
S3	Black	Win	Isobe Taizan	2408.13
S4	Black	Loss	Okabe Hiroshi	2720.07
S5	White	Draw	Nakamura Shigeru	2878.25
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2425.61
Round	Color	Result	Opponent
S1	White	Win	Hata Masayuki	2242.82
S2	Black	Loss	Oosumi Yuuki	2827.40
S3	Black	Draw	Iio Yoshihiro	2471.98
S4	Black	Draw	Tamura Kazumasa	2527.74
S5	Black	Win	Miyagawa Junzo	2214.91
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2426.83
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	2039.09
2	White	Loss	Tada Ayako	2305.64
3	Black	Win	Mitsumori Masao	2347.76
4	Black	Loss	Fukui Nobuhiro	2552.52
50th Meijinsen Tournament
Date	2012-09-17		Rating	2430.74
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2470.67
2	White	Loss	Hasegawa Kazuto	2583.77
3	Black	Loss	Okabe Hiroshi	2711.32
4	Black	Win	Matsuura Hiroshi	2329.40
5	White	Loss	Nakamura Shigeru	2881.94
6	Black	Loss	Fukui Nobuhiro	2543.55
7	Black	Loss	Yamaguchi Yusui	2654.21
8	Black	Loss	Nagasoe Hiroki	2551.35
9	Black	Win	Nakayama Tomoharu	2626.35
10th Middle-dan players Tournament
Date	2012-08-26		Rating	2435.10
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2161.37
2	White	Win	Kato Yasuhiro	2099.65
3	White	Win	Nagao Noriaki	2394.18
4	White	Win	Kashihara Akihiko	2311.25
5	White	Win	Fukui Nobuhiro	2536.76
6	Black	Win	Kobayashi Koichi	2233.81
50 Meijinsen Qualification East-Japan area 2nd round
Date	2012-07-08		Rating	2434.20
Round	Color	Result	Opponent
1	Black	Win	Kudomi Takahiro	2425.49
2	White	Loss	Nakamura Shigeru	2884.74
3	White	Win	Kobayashi Koichi	2234.87
50 Meijinsen Qualification East-Japan area 1st round
Date	2012-06-03		Rating	2431.00
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2885.50
2	Black	Loss	Kobayashi Koichi	2235.03
3	Black	Win	Maruta Koji	2130.30
4	Black	Win	Isobe Taizan	2409.71
7th All Japan Championship
Date	2012-01-29		Rating	2422.32
Round	Color	Result	Opponent
1	Black	Win	Matsuoka Teruo	2007.18
2	Black	Loss	Nakayama Tomoharu	2603.85
3	White	Win	Fujikawa Masaki	2073.90
4	Black	Win	Isobe Taizan	2422.67
5	Black	Win	Sakamoto Suzan	2346.89
6	White	Loss	Nakamura Shigeru	2877.99
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2407.20
Round	Color	Result	Opponent
1	Black	Loss	Nakayama Tomoharu	2589.12
2	Black	Win	Maruta Hiroki	2085.73
3	Black	Loss	Mitsumori Masao	2364.23
4	White	Win	Tada Ayako	2254.66
World Championship 2011, BT
Date	2011-08-06		Rating	2398.57
Round	Color	Result	Opponent
1	White	Win	Pestov Arseni	1918.33
2	Black	Win	Blomstedt Torbjorn	2222.30
3	White	Loss	Karasyov Maxim	2640.95
4	Black	Loss	Iio Yoshihiro	2505.45
5	Black	Draw	Małowiejski Piotr	2173.06
6	Black	Loss	Carlsson Martin	2396.55
7	White	Loss	Hõbemägi Martin	2417.53
8	Black	Win	Maltell Tommy	2034.83
9	White	Win	Staub Rain	1916.89
World Championship 2011, QT
Date	2011-08-03		Rating	2398.67
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2706.03
2	Black	Loss	Hou I-Cheng	2504.69
3	Black	Win	Chiang Ping-Hung	2244.02
4	Black	Win	Andersson Tord	2439.34
5	Black	Win	Pajuste Renee	2471.72
6	Black	Loss	Lin Huang-Yu	2782.29
7	White	Loss	Nikonov Konstantin	2649.99
49 Meijinsen Qualification East-Japan area 1st round
Date	2011-06-12		Rating	2396.68
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2862.25
2	Black	Win	Mitsumori Masao	2340.00
3	White	Draw	Kamiya Shunsuke	2419.39
4	White	Loss	Koyama Jun	2435.92
28th Kanto Championship
Date	2011-05-22		Rating	2396.00
Round	Color	Result	Opponent
1	White	Win	Arai Kazumi	2371.69
2	Black	Win	Nakayama Tomoharu	2546.95
3	Black	Loss	Yamaguchi Yusui	2629.62
4	Black	Loss	Mitsumori Masao	2338.48
5	White	Loss	Isobe Taizan	2407.26
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2393.68
Round	Color	Result	Opponent
S2	White	Loss	Nakamura Shigeru	2857.79
S3	Black	Win	Mitsumori Masao	2328.96
S4	White	Loss	Oosumi Yuuki	2737.32
S5	Black	Win	Gakumazawa Hideaki	2114.11
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2387.87
Round	Color	Result	Opponent
1	White	Win	Tada Ayako	2203.06
2	Black	Loss	Isobe Taizan	2405.44
3	White	Win	Iwano Fumio	2122.15
4	Black	Loss	Mitsumori Masao	2324.95
9th Middle-dan Players Tournament
Date	2010-08-29		Rating	2388.25
Round	Color	Result	Opponent
1	Black	Loss	Ozawa Tetsushi	2087.44
2	Black	Win	Matsuo Toshiko	1958.60
3	Black	Loss	Kubo Izumi	2109.99
4	White	Win	Kato Yasuhiro	2076.13
5	White	Win	Kashihara Akihiko	2245.02
6	Black	Win	Nagao Noriaki	2388.38
48th Meijinsen Qualification East-Japan area 2nd round
Date	2010-07-11		Rating	2392.13
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2588.52
2	White	Loss	Tamada Yoichi	2485.12
3	White	Win	Tada Ayako	2194.23
4	White	Win	Tamura Kazumasa	2508.86
5	Black	Win	Kudomi Takahiro	2399.11
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2391.99
Round	Color	Result	Opponent
1	White	Loss	Suzuki Rin	1991.23
2	White	Win	Kato Yasuhiro	2086.05
3	White	Win	Fukui Nobuhiro	2320.97
4	Black	Win	Mitsumori Masao	2303.41
27th Kanto Championship
Date	2010-05-23		Rating	2391.60
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2703.35
2	Black	Win	Fukui Nobuhiro	2316.13
3	Black	Win	Mitsumori Masao	2295.46
4	Black	Loss	Yamaguchi Yusui	2584.44
5	Black	Draw	Kawamura Norihiko	2586.09
5th All Japan Championship
Date	2010-03-21		Rating	2386.54
Round	Color	Result	Opponent
1	White	Win	Matsuoka Teruo	1975.62
2	Black	Loss	Kawamura Norihiko	2587.99
3	Black	Win	Kato Yasuhiro	2099.23
4	Black	Win	Fukui Nobuhiro	2314.41
5	White	Loss	Nakamura Shigeru	2853.59
6	White	Loss	Kawasaki Nobuhiko	2180.35
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2384.92
Round	Color	Result	Opponent
S1	Black	Win	Mitsumori Masao	2300.11
S2	White	Loss	Tamura Kazumasa	2513.22
S3	White	Loss	Sato Kiyotomi	2419.82
S4	White	Loss	Isobe Taizan	2395.70
S5	White	Loss	Iio Yoshihiro	2527.55
10 Kanto Renju Emperor Tournament 2nd round
Date	2009-12-20		Rating	2389.05
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2352.18
2	White	Loss	Okabe Hiroshi	2682.41
3	White	Loss	Tamada Yoichi	2420.56
4	White	Loss	Nakamura Shigeru	2858.52
5	White	Win	Tamura Kazumasa	2510.44
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2401.39
Round	Color	Result	Opponent
1	Black	Win	Suzuki Rin	1953.94
2	Black	Win	Tanizaki Ryusuke	2104.71
3	Black	Win	Ishitani Shin-ichi	2368.40
4	Black	Draw	Okabe Hiroshi	2672.62
8th Middle-dan Players Tournament
Date	2009-08-30		Rating	2403.10
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2114.33
2	Black	Loss	Sato Kiyotomi	2434.26
3	Black	Loss	Miyagawa Junzo	2202.42
4	Black	Win	Kobayashi Koichi	2131.78
5	Black	Win	Kato Yasuhiro	2049.55
6	White	Loss	Koyama Jun	2444.64
World Championship 2009, AT
Date	2009-08-13		Rating	2406.21
Round	Color	Result	Opponent
1	Black	Loss	Taimla Tunnet	2834.91
2	Black	Loss	Okabe Hiroshi	2667.91
3	Black	Loss	Nakamura Shigeru	2853.56
4	White	Win	Nykl Ondřej	2551.48
5	Black	Loss	Cao Dong	2708.37
6	White	Loss	Purk Andry	2678.90
7	Black	Win	Chen Ko-Han	2553.56
8	White	Loss	Kozhin Mikhail	2660.73
9	White	Loss	Karasyov Maxim	2607.15
10	Black	Loss	Sushkov Vladimir	2807.32
11	Black	Loss	Wu Di	2653.63
World Championship 2009, QT
Date	2009-08-05		Rating	2407.65
Round	Color	Result	Opponent
1	White	Win	Lin Ting-Wei	2399.25
2	Black	Loss	Chen Ko-Han	2554.77
3	White	Loss	Okabe Hiroshi	2668.37
4	White	Win	Savrasova Yulia	2659.56
5	White	Win	Jonsson Peter	2355.92
6	White	Win	Tarannikov Yuriy	2719.85
7	White	Win	Karlsson Stefan	2570.16
47th Meijinsen Qualification East-Japan area final round
Date	2009-07-05		Rating	2403.50
Round	Color	Result	Opponent
1	Black	Loss	Arita Nobuyoshi	2368.86
2	Black	Loss	Mitsumori Masao	2340.25
3	White	Loss	Tamura Kazumasa	2511.48
4	Black	Loss	Kudomi Takahiro	2366.42
5	White	Loss	Yamaguchi Yusui	2574.42
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2406.09
Round	Color	Result	Opponent
1	Black	Loss	Mitsumori Masao	2342.92
2	White	Win	Tanno Yoshitaka	2104.32
3	Black	Win	Sato Kiyotomi	2442.57
4	Black	Draw	Kudomi Takahiro	2366.69
26th Kanto Championship
Date	2009-05-17		Rating	2409.37
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2670.15
2	Black	Win	Kato Yasuhiro	2024.81
3	White	Win	Mitsumori Masao	2344.95
4	White	Loss	Kawamura Norihiko	2641.82
26th Kanto Shineisen Tournament
Date	2009-04-05		Rating	2413.75
Round	Color	Result	Opponent
1	White	Win	Tamada Yoichi	2301.90
2	Black	Win	Shimoyama Takuma	2232.45
3	Black	Win	Ozawa Tetsushi	2085.99
4	Black	Win	Iwano Fumio	2175.87
5	Black	Win	Tanizaki Ryusuke	2125.34
4th All Japan Championship
Date	2009-03-21		Rating	2413.48
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2015.61
2	Black	Win	Yamaguchi Yusui	2565.18
3	Black	Loss	Nakamura Shigeru	2858.33
4	Black	Loss	Sato Kiyotomi	2449.69
5	Black	Win	Maruta Hiroki	2092.82
6	Black	Loss	Okabe Hiroshi	2670.29
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2410.79
Round	Color	Result	Opponent
A1	Black	Loss	Iwano Fumio	2168.30
A2	White	Win	Maruta Hiroki	2082.11
A3	Black	Win	Matsuoka Teruo	1902.79
A4	White	Win	Ozawa Tetsushi	2085.13
A5	White	Win	Gakumazawa Hideaki	2174.56
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2409.79
Round	Color	Result	Opponent
1	Black	Win	Kobayashi Chinatsu	1770.71
2	White	Draw	Okabe Hiroshi	2685.49
3	Black	Win	Maruta Koji	2100.35
4	Black	Loss	Mitsumori Masao	2329.04
7th 6-7 dan Tournament
Date	2008-09-28		Rating	2409.82
Round	Color	Result	Opponent
1	Black	Win	Tanno Yoshitaka	2118.67
2	White	Win	Gakumazawa Hideaki	2178.60
3	White	Loss	Tamura Kazumasa	2470.96
4	White	Win	Kobayashi Koichi	2109.01
5	Black	Win	Maruyama Yasushi	2233.13
6	White	Win	Kubo Izumi	2108.75
RIF 20 years anniversary celebration tournament
Date	2008-08-07		Rating	2406.86
Round	Color	Result	Opponent
1	Black	Win	Kryuchok Roman	2372.46
2	White	Loss	Metreveli Irina	2436.72
3	Black	Win	Maximov Nikolay	2255.28
4	Black	Win	Oborina Anastasja	2194.83
5	White	Win	Myasoyedov Yevgeni	2365.99
6	White	Loss	Okabe Hiroshi	2690.01
46th Meijinsen Qualification East-Japan area 1st round
Date	2008-06-15		Rating	2399.17
Round	Color	Result	Opponent
1	Black	Win	Kudomi Takahiro	2339.07
2	White	Win	Arita Nobuyoshi	2393.60
3	White	Loss	Koyama Jun	2443.35
4	White	Loss	Nagao Noriaki	2262.43
25th Kanto Championship
Date	2008-05-18		Rating	2395.79
Round	Color	Result	Opponent
1	White	Win	Nakayama Tomoharu	2242.76
2	White	Loss	Mitsumori Masao	2309.46
3	Black	Loss	Isobe Taizan	2425.29
4	Black	Draw	Tanizaki Ryusuke	2120.90
5	White	Win	Maruta Hiroki	2037.94
25th Kanto Shineisen Tournament
Date	2008-04-13		Rating	2395.46
Round	Color	Result	Opponent
1	White	Loss	Iwano Fumio	2189.18
2	Black	Win	Maruta Hiroki	2032.25
3	White	Win	Tamada Yoichi	2213.51
4	Black	Win	Tomobe Katsuhiro	2064.39
5	White	Draw	Koyama Jun	2437.15
3rd All Japan Championship
Date	2008-03-23		Rating	2395.74
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	1985.95
2	White	Loss	Yamaguchi Yusui	2613.53
3	Black	Win	Kudomi Takahiro	2334.82
4	White	Win	Tamada Yoichi	2206.97
5	Black	Loss	Okabe Hiroshi	2670.21
6	Black	Win	Sato Kiyotomi	2416.07
11th Mikami Cup Tournament, A-Class
Date	2008-01-20		Rating	2390.38
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2190.27
2	White	Win	Takeuchi Shunsuke	1948.55
3	Black	Win	Fujikawa Masaki	2111.07
4	White	Win	Arai Moriya	1944.26
5	White	Win	Iwano Fumio	2187.20
5	Black	Win	Tanizaki Ryusuke	2124.82
ex	White	Win	Kuramoto Hideharu	1916.76
ex	Black	Win	Iwano Fumio	2187.20
8th Kanto Renju Emperor Tournament 2nd round
Date	2007-12-16		Rating	2386.38
Round	Color	Result	Opponent
1	Black	Loss	Isobe Taizan	2435.57
2	Black	Win	Ishitani Shin-ichi	2400.90
3	Black	Loss	Nakamura Shigeru	2857.71
4	White	Win	Kurata Kiyotaka	2275.26
5	Black	Loss	Okabe Hiroshi	2656.51
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2378.72
Round	Color	Result	Opponent
1	White	Win	Yamamoto Jyunko	1802.96
2	White	Win	Isobe Taizan	2436.00
3	Black	Win	Nagao Noriaki	2250.13
4	Black	Win	Mitsumori Masao	2278.40
5	White	Loss	Ishitani Shin-ichi	2398.79
6dan 7dan Tournament
Date	2007-10-08		Rating	2375.75
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	1969.42
2	White	Win	Miyagawa Junzo	2268.77
3	White	Win	Sato Kiyotomi	2401.44
4	White	Loss	Gakumazawa Hideaki	2180.57
5	White	Loss	Tamura Kazumasa	2408.33
6	White	Win	Tadokoro Hosai	1932.99
45th Meijinsen Qualification East-Japan area 1st round
Date	2007-06-17		Rating	2351.91
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2340.81
2	White	Win	Tomobe Katsuhiro	2044.70
3	Black	Win	Hara Masao	2053.82
4	Black	Loss	Tamura Kazumasa	2396.74
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2346.10
Round	Color	Result	Opponent
1	White	Win	Mitsumori Masao	2270.66
2	Black	Loss	Isobe Taizan	2431.18
3	White	Loss	Ishitani Shin-ichi	2384.82
4	White	Win	Fujikawa Masaki	2104.85
5	White	Loss	Sato Kiyotomi	2420.91
24th Kanto Shineisen Tournament
Date	2007-04-15		Rating	2344.66
Round	Color	Result	Opponent
1	White	Win	Tanizaki Ryusuke	2142.54
2	Black	Loss	Iwano Fumio	2157.76
3	Black	Win	Teshima Masakatsu	1952.93
4	White	Win	Watanabe Tatsuya	2127.00
5	Black	Win	Tashiro Yuichi	2274.32
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2342.72
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2522.31
2	White	Win	Miyoshi Takeo	2284.90
3	White	Win	Ishitani Shin-ichi	2381.31
4	White	Loss	Yamaguchi Yusui	2649.20
5	White	Loss	Sato Kiyotomi	2425.08
6	White	Loss	Koyama Jun	2376.48
10th Mikami Cup Tournament, A-class
Date	2007-01-28		Rating	2333.03
Round	Color	Result	Opponent
1	Black	Loss	Iwano Fumio	2143.50
2	White	Win	Matsuoka Teruo	1874.98
3	Black	Win	Kuramoto Hideharu	1882.57
4	White	Win	Ozawa Tetsushi	2015.96
5	White	Win	Fujikawa Masaki	2092.51
23rd Kanto Shinei Tournament
Date	2006-09-10		Rating	2313.04
Round	Color	Result	Opponent
1	Black	Win	Matsuoka Teruo	1853.90
2	Black	Win	Tomobe Katsuhiro	2080.05
3	Black	Win	Iwano Fumio	2110.68
4	White	Win	Watanabe Tatsuya	2135.35
5	White	Loss	Hara Masao	2094.45
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2301.08
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2284.24
2	Black	Loss	Tamura Kazumasa	2364.61
3	Black	Win	Maruta Koji	2112.68
4	Black	Draw	Mitsumori Masao	2253.13
23rd Kanto Championship
Date	2006-05-21		Rating	2299.42
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2596.24
2	Black	Loss	Isobe Taizan	2411.10
3	Black	Win	Tanizaki Ryusuke	2113.76
4	Black	Loss	Tadokoro Hosai	1934.66
5	White	Loss	Iwano Fumio	2095.22
46th Suisei-sen tournament final round
Date	2006-04-16		Rating	2304.73
Round	Color	Result	Opponent
	White	Win	Itami Yoshiyuki	2157.86
	White	Win	Nagao Noriaki	2221.55
	White	Win	Kato Yasuhiro	2051.65
	White	Win	Hara Masao	2077.85
	White	Win	Koyama Jun	2329.10
1st All Japan Championship
Date	2006-03-26		Rating	2304.14
Round	Color	Result	Opponent
1	White	Loss	Takashima Junya	2509.48
2	White	Win	Tomobe Katsuhiro	2090.51
3	White	Loss	Sato Kiyotomi	2410.52
4	White	Draw	Nagao Noriaki	2221.55
5	Black	Win	Tanizaki Ryusuke	2112.69
6	Black	Loss	Kudomi Takahiro	2283.38
46th Suisei-sen Tournament - 1st round
Date	2006-03-12		Rating	2304.92
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2090.99
2	White	Win	Kamemoto Daichi	2190.00
3	Black	Win	Watanabe Tatsuya	2132.82
4	Black	Draw	Nagao Noriaki	2223.53
9th Mikami Cup - A Class
Date	2006-01-29		Rating	2303.89
Round	Color	Result	Opponent
1	Black	Win	Matsuoka Teruo	1825.04
2	White	Win	Maruta Hiroki	1972.69
3	Black	Win	Koyama Jun	2317.34
4	Black	Loss	Oosumi Yuuki	2415.20
5	Black	Win	Itami Yoshiyuki	2169.26
37th Kyoto Classified - group 1
Date	2005-11-13		Rating	2296.20
Round	Color	Result	Opponent
1	White	Loss	Oosumi Yuuki	2404.66
2	White	Win	Kuramoto Hideharu	1820.61
3	Black	Win	Takehara Kenji	1792.82
4	White	Win	Ozawa Tetsushi	2015.53
5	White	Loss	Koyama Jun	2304.17
6	White	Win	Itami Yoshiyuki	2179.76
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2294.54
Round	Color	Result	Opponent
1	White	Win	Harada Motochika	1764.50
2	White	Win	Kudomi Takahiro	2285.09
3	Black	Loss	Isobe Taizan	2457.97
4	White	Loss	Kamemoto Daichi	2180.53
22nd Kanto Shineisen Tournament
Date	2005-09-11		Rating	2293.31
Round	Color	Result	Opponent
1	Black	Win	Kamemoto Daichi	2169.82
2	White	Loss	Watanabe Tatsuya	2125.01
3	Black	Win	Matsuoka Teruo	1840.14
4	White	Win	Nagao Noriaki	2221.61
5	Black	Win	Tomobe Katsuhiro	2075.27
World Championship 2005, BT
Date	2005-08-05		Rating	2290.99
Round	Color	Result	Opponent
1	Black	Loss	Lillemets Rauni	2141.47
2	White	Win	Saranchin Aleksandr	2024.89
3	White	Loss	Iio Yoshihiro	2465.85
4	White	Draw	Wang Chih-Kung	2207.17
5	Black	Loss	Lind Björn	2259.12
6	White	Win	Kubo Izumi	2142.38
7	White	Win	Kudomi Takahiro	2295.45
8	Black	Loss	Tamura Kazumasa	2360.09
9	Black	Win	Rachitskaya Viktoria	2117.97
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2292.30
Round	Color	Result	Opponent
1	Black	Win	Ohno Syunzo	2074.65
2	Black	Loss	Okabe Hiroshi	2583.40
3	White	Loss	Sato Kiyotomi	2394.68
4	White	Win	Sasaki Miyu	1962.17
22nd Kanto Championship
Date	2005-05-22		Rating	2293.20
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2562.31
2	Black	Loss	Mitsumori Masao	2266.62
3	Black	Win	Kamemoto Daichi	2132.13
4	Black	Win	Tomobe Katsuhiro	2048.92
5	Black	Win	Kudomi Takahiro	2300.04
45th Suisei-sen Tournament - Final
Date	2005-04-17		Rating	2293.60
Round	Color	Result	Opponent
	White	Draw	Hara Masao	2052.94
	Black	Loss	Nagao Noriaki	2231.72
	Black	Win	Arita Nobuyoshi	2306.82
	Black	Loss	Tashiro Yuichi	2292.12
	Black	Loss	Sato Kiyotomi	2393.17
Japan WC Qualification tournament
Date	2005-04-03		Rating	2295.68
Round	Color	Result	Opponent
1	White	Win	Miyagawa Sou	2128.77
2	Black	Draw	Kato Yasuhiro	2024.96
3	Black	Win	Yamaguchi Yusui	2557.00
4	White	Draw	Okabe Hiroshi	2582.94
5	Black	Loss	Matsuura Hiroshi	2389.45
6	White	Loss	Isobe Taizan	2463.27
45th Suisei-sen Tournament
Date	2005-03-20		Rating	2297.04
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2048.68
2	Black	Win	Ishizaki Masatoshi	1923.76
3	White	Win	Hara Masao	2056.89
4	Black	Win	Tashiro Yuichi	2291.93
8th Mikami Cup - A Class
Date	2005-01-23		Rating	2296.31
Round	Color	Result	Opponent
1	Black	Win	Watanabe Tatsuya	2085.26
2	Black	Win	Tadokoro Hosai	1924.16
3	Black	Win	Arita Nobuyoshi	2286.26
4	Black	Win	Sato Takuma	2178.55
5	White	Loss	Itami Yoshiyuki	2177.23
5th Kanto Renju Emperor Tournament - 2nd round
Date	2004-12-19		Rating	2293.94
Round	Color	Result	Opponent
	White	Win	Mitsumori Masao	2246.91
	White	Win	Kudomi Takahiro	2328.95
	Black	Loss	Sato Kiyotomi	2368.65
	Black	Loss	Okabe Hiroshi	2576.97
	Black	Loss	Yamaguchi Yusui	2568.47
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2291.92
Round	Color	Result	Opponent
1	Black	Win	Nakata Shinsuke	1925.85
2	White	Win	Mitsumori Masao	2248.23
3	Black	Win	Isobe Taizan	2435.09
4	White	Draw	Kudomi Takahiro	2332.53
36th Kyoto Classified - group 1
Date	2004-11-14		Rating	2288.56
Round	Color	Result	Opponent
1	White	Win	Miyagawa Sou	2124.54
2	Black	Win	Sugiyama Taro	1908.88
3	Black	Loss	Yoshikawa Hiromasa	2203.24
4	Black	Win	Hasegawa Shunzo	1733.00
5	White	Win	Itami Yoshiyuki	2162.38
6	White	Win	Takashima Hirotsugu	1941.13
21st Kanto Shineisen Tournament
Date	2004-09-12		Rating	2271.71
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2016.20
2	Black	Draw	Tanno Yoshitaka	2140.46
3	White	Loss	Nagao Noriaki	2252.16
4	Black	Win	Nakata Shinsuke	1921.76
5	White	Loss	Tashiro Yuichi	2288.09
42nd Meijinsen Qualification: East Japan 1st round
Date	2004-06-13		Rating	2256.26
Round	Color	Result	Opponent
1	Black	Draw	Sunagawa Shouki	2133.47
2	White	Win	Mitsumori Masao	2247.93
3	White	Loss	Sato Kiyotomi	2352.97
4	White	Win	Nagao Noriaki	2258.39
7th Mikami Cup - A class
Date	2004-01-25		Rating	2225.40
Round	Color	Result	Opponent
1	White	Win	Itami Yoshiyuki	2148.96
2	Black	Loss	Tadokoro Hosai	1971.72
3	White	Win	Watanabe Tatsuya	2039.17
4	White	Loss	Sato Koichi	1998.12
5	White	Win	Tanno Yoshitaka	2143.93
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2214.37
Round	Color	Result	Opponent
1	Black	Win	Kato Masami	1818.87
2	White	Win	Kudomi Takahiro	2328.24
3	White	Loss	Okabe Hiroshi	2558.66
4	White	Draw	Sato Kiyotomi	2318.51
35th Kyoto Classified - group 1
Date	2003-11-09		Rating	2212.67
Round	Color	Result	Opponent
1	Black	Loss	Takashima Junya	2352.94
2	White	Win	Hasegawa Shunzo	1733.61
3	White	Loss	Itami Yoshiyuki	2154.10
4	Black	Win	Yamagami Katsumi	2140.27
5	Black	Loss	Oogawara Shingo	2047.93
6	White	Win	Niwa Yoshiko	1233.68
20th Kanto Shineisen Tournament
Date	2003-09-21		Rating	2207.00
Round	Color	Result	Opponent
1	White	Win	Sasaki Miyu	1937.74
2	White	Win	Sato Takuma	2137.33
3	White	Loss	Tashiro Yuichi	2274.81
4	White	Win	Nagao Noriaki	2299.58
5	White	Loss	Tanno Yoshitaka	2154.17
World Championship 2003, BT
Date	2003-08-08		Rating	2200.80
Round	Color	Result	Opponent
1	White	Loss	Tarannikov Yuriy	2582.38
2	White	Loss	Kudomi Takahiro	2345.66
3	White	Win	Pelikan Alan	1875.65
4	White	Loss	Nagao Noriaki	2307.17
5	White	Win	Lu Wei-Yuan	2209.23
6	White	Loss	Dzainukov Eldar	2200.15
7	White	Win	Purk Andry	2289.81
8	White	Win	Eriksson Marcus	2227.93
9	Black	Loss	Mitsumori Masao	2291.03
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2190.98
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2540.98
2	White	Loss	Kubo Izumi	2225.79
4	Black	Win	Tadokoro Hosai	1986.39
Japan WC Qualification 2003
Date	2003-03-22		Rating	2181.30
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2392.03
2	Black	Loss	Miyagawa Junzo	2266.62
3	White	Win	Fujio Katsutoshi	1976.25
4	Black	Win	Kudomi Takahiro	2348.22
5	White	Loss	Sakamoto Suzan	2260.57
1st Shanghai Meijin
Date	2003-03-20		Rating	2181.06
Round	Color	Result	Opponent
	White	Loss	Ye Sen	2070.61
	White	Win	Yu Zhenlin	1935.48
	White	Loss	Mitsumori Masao	2300.93
	White	Loss	Li Hongbin	2381.02
	White	Loss	Sakurai Yasuo	2083.03
	White	Draw	Cui Yue	2270.13
	White	Loss	Gu Wei	2352.28
	White	Loss	Tian Yifang	2249.78
	Black	Win	Hou Jun	2064.01
34th Kyoto Classified - group 1
Date	2002-11-10		Rating	2192.65
Round	Color	Result	Opponent
1	Black	Draw	Arita Nobuyoshi	2163.48
2	White	Win	Kuramoto Hideharu	1726.60
3	Black	Win	Miyagawa Sou	2075.98
4	White	Win	Taguchi Kouta	2157.36
5	White	Loss	Takashima Junya	2327.70
6	White	Win	Yoshikawa Hiromasa	2093.28
World Championship 2001, BT
Date	2001-08-12		Rating	2189.96
Round	Color	Result	Opponent
1	Black	Win	Lents Johann	2363.08
2	Black	Win	Park Jeong Ho	2306.43
3	White	Loss	Iio Yoshihiro	2416.70
4	Black	Loss	Lunkin Vitaly	2316.94
5	Black	Loss	Chernov Sergey	2294.25
6	Black	Win	Yamamoto Yasuhiro	2009.13
7	Black	Loss	Poghosyan Albert	2337.97
8	Black	Win	Chung Chun-Chih	1912.27