Ono Takayuki (小野孝之)

Place: Yokohama, Japan

Rating: 2408.53, Std: 75.65, Rank: 204

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

Top rating: 2435.45 (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	2408.53
Round	Color	Result	Opponent
1	Black	Loss	Wang Qingqing	2657.60
2	Black	Loss	Inoue Fumiya	2501.74
3	White	Loss	Matsuda Shoma	2608.51
4	White	Loss	Kawamura Norihiko	2453.10
5	White	Draw	Shimura Hiroki	2227.96
63rd Meijin-sen Tokyo area 1st round
Date	2025-06-28		Rating	2413.29
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2274.75
2	Black	Loss	Matsuda Shoma	2606.73
3	White	Win	Yoshikawa Tomoki	2315.05
4	White	Draw	Wang Qingqing	2657.73
42nd Kanto Championship
Date	2025-06-28		Rating	2413.29
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2214.25
2	White	Loss	Okabe Hiroshi	2729.94
3	White	Loss	Matsuda Shoma	2606.73
4	Black	Win	Yoshikawa Takayuki	1850.79
5	White	Win	Miyamoto Syunju	2295.30
6	White	Win	Tachi Masaya	2515.27
25 Kanto Renju Emperor Tournament Final round
Date	2024-12-08		Rating	2410.51
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2850.11
2	Black	Loss	Okabe Hiroshi	2730.03
3	Black	Loss	Matsuda Shoma	2531.81
4	White	Loss	Wang Qingqing	2666.40
5	White	Loss	Fujita Maiko	2441.42
6	White	Win	Inoue Fumiya	2506.07
7	White	Win	Miyamoto Syunju	2301.76
25 Kanto Renju Emperor Tournament Qualification round
Date	2024-11-10		Rating	2410.75
Round	Color	Result	Opponent
1	White	Draw	Suenaga Daiki	2113.20
2	White	Win	Yoshikawa Tomoki	2254.48
3	White	Loss	Matsuda Shoma	2520.70
4	White	Win	Fujita Maiko	2437.46
62nd Meijin-sen East Japan area 2nd round
Date	2024-06-16		Rating	2409.85
Round	Color	Result	Opponent
1	Black	Loss	Matsuda Shoma	2491.35
2	White	Loss	Yokoyama Shota	2453.95
3	Black	Win	Fujita Maiko	2418.39
4	White	Win	Yoshikawa Tomoki	2219.84
5	Black	Draw	Inoue Fumiya	2495.99
62nd Meijin-sen Tokyo area 1st round
Date	2024-05-12		Rating	2409.40
Round	Color	Result	Opponent
1	White	Loss	Tanaka Shotaro	2317.70
2	Black	Win	Kishimoto Shogo	2182.26
3	White	Draw	Yokoyama Shota	2453.15
4	White	Loss	Matsuda Shoma	2482.44
27th New Year (Mikami) Cup
Date	2024-01-14		Rating	2417.75
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2720.52
S2	Black	Loss	Inoue Fumiya	2502.92
S4	Black	Loss	Ishitani Shin-ichi	2411.51
S5	White	Win	Matsuda Shoma	2431.15
24 Kanto Renju Emperor Tournament Kanto area 1st round
Date	2023-11-19		Rating	2424.91
Round	Color	Result	Opponent
1	Black	Win	Kishimoto Shogo	2197.56
2	Black	Win	Makino Mitsunori	2629.78
3	Black	Loss	Okabe Hiroshi	2720.13
4	White	Win	Matsuda Shoma	2416.25
ex	White	Loss	Makino Mitsunori	2629.78
40th Kanto Championship
Date	2023-07-09		Rating	2426.02
Round	Color	Result	Opponent
1	White	Draw	Matsuda Shoma	2390.84
2	Black	Win	Li Haoyang	2027.50
3	White	Draw	Ishitani Shin-ichi	2385.14
4	White	Win	Takazawa Nagayoshi	2286.90
5	Black	Win	Miyamoto Syunju	2304.73
6	White	Loss	Inoue Fumiya	2525.00
61st Meijin-sen East Japan area 2nd round
Date	2023-06-18		Rating	2425.58
Round	Color	Result	Opponent
1	Black	Loss	Fujita Maiko	2422.75
2	White	Win	Miyamoto Syunju	2299.64
3	Black	Loss	Inoue Fumiya	2523.52
4	White	Loss	Matsuda Shoma	2390.70
5	Black	Win	Shimura Hiroki	2150.20
61st Meijin-sen Tokyo area 1st round
Date	2023-05-14		Rating	2428.43
Round	Color	Result	Opponent
1	White	Win	Tanaka Shotaro	2325.11
2	White	Draw	Yokoyama Shota	2457.04
3	White	Win	Shimura Hiroki	2156.32
4	White	Win	Fujita Maiko	2419.16
26th New Year (Mikami) Cup
Date	2023-01-15		Rating	2424.15
Round	Color	Result	Opponent
S1	Black	Win	Fujita Maiko	2423.47
S2	White	Win	Tanaka Shotaro	2328.69
S3	Black	Loss	Okabe Hiroshi	2689.96
S4	Black	Loss	Inoue Fumiya	2530.73
23 Renju Emperor Tournament Kanto area 1st round
Date	2022-11-06		Rating	2419.02
Round	Color	Result	Opponent
1	White	Loss	Matsuda Shoma	2352.37
2	Black	Win	Tomobe Katsuhiro	2111.43
3	White	Loss	Tanaka Shotaro	2324.15
4	White	Win	Suzuki Yoshitaka	1993.64
60th Meijinsen Tournament
Date	2022-09-19		Rating	2420.85
Round	Color	Result	Opponent
1	Black	Loss	Nakayama Tomoharu	2802.31
2	White	Loss	Okabe Hiroshi	2698.48
3	Black	Draw	Kawamoto Shoma	2327.91
4	White	Draw	Kuga Akio	2403.59
5	White	Loss	Makino Mitsunori	2626.52
6	White	Loss	Nagasoe Hiroki	2655.15
7	White	Win	Miyamoto Syunju	2251.96
8	Black	Loss	Hasegawa Kazuto	2611.18
9	White	Win	Ishitani Shin-ichi	2362.00
39 Kanto Championship
Date	2022-07-31		Rating	2425.11
Round	Color	Result	Opponent
1	White	Win	Shimura Hiroki	2140.91
2	Black	Win	Takazawa Nagayoshi	2237.30
3	White	Loss	Okabe Hiroshi	2699.40
4	White	Win	Maruta Hiroki	2192.31
5	White	Win	Ishitani Shin-ichi	2360.23
6	White	Loss	Yokoyama Shota	2461.49
60th Meijinsen Qualification East-Japan area 2nd round
Date	2022-06-26		Rating	2426.49
Round	Color	Result	Opponent
1	White	Win	Yokoyama Shota	2455.65
2	Black	Win	Fujita Maiko	2419.09
3	Black	Loss	Nagasoe Hiroki	2660.51
4	White	Loss	Miyamoto Syunju	2262.29
5	White	Win	Maruta Hiroki	2197.48
ex	Black	Win	Miyamoto Syunju	2262.29
59th Meijinsen Tournament
Date	2022-01-10		Rating	2422.02
Round	Color	Result	Opponent
1	Black	Draw	Maruyama Yasushi	2271.75
2	Black	Loss	Nagasoe Hiroki	2656.25
3	Black	Win	Iio Yoshihiro	2398.25
4	White	Loss	Okabe Hiroshi	2701.92
5	White	Win	Hasegawa Kazuto	2568.98
6	Black	Loss	Kamiya Shunsuke	2857.33
7	White	Loss	Nakayama Tomoharu	2821.69
8	Black	Win	Maruta Hiroki	2247.56
9	White	Win	Hayashi Shoichi	2154.91
38 Kanto Championship
Date	2021-08-08		Rating	2402.93
Round	Color	Result	Opponent
1	White	Draw	Yokoyama Shota	2452.42
2	White	Win	Nishizawa Aoi	2210.98
3	Black	Loss	Nagasoe Hiroki	2648.53
4	White	Win	Maruta Hiroki	2260.59
5	Black	Loss	Kamiya Shunsuke	2849.18
6	White	Win	Kasahara Reiko	1727.48
59th Meijinsen Qualification East-Japan area 2nd round
Date	2021-06-27		Rating	2395.99
Round	Color	Result	Opponent
1	White	Loss	Nagasoe Hiroki	2645.62
2	Black	Loss	Maruta Hiroki	2253.98
3	White	Loss	Tamada Yoichi	2570.11
4	White	Loss	Inoue Fumiya	2494.70
5	White	Win	Suenaga Daiki	2257.33
59th Meijinsen Qualification Kanto area 1st round
Date	2021-05-09		Rating	2394.46
Round	Color	Result	Opponent
1	Black	Loss	Nagasoe Hiroki	2641.84
2	White	Win	Maruta Hiroki	2242.12
3	White	Win	Fujita Maiko	2355.93
4	White	Draw	Suenaga Daiki	2264.32
16th All Japan Championship
Date	2021-03-28		Rating	2391.44
Round	Color	Result	Opponent
1	White	Win	Yoshimoto Yuta	2240.90
2	White	Loss	Nagasoe Hiroki	2636.99
3	Black	Loss	Maruyama Takashi	2058.35
4	Black	Win	Maruta Hiroki	2231.57
5	Black	Loss	Fujita Maiko	2362.60
6	White	Win	Suenaga Daiki	2264.25
24th New Year(Mikami)Cup
Date	2021-01-29		Rating	2391.80
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2734.17
S2	White	Loss	Ishitani Shin-ichi	2366.53
S3	Black	Loss	Makino Mitsunori	2558.00
S4	White	Win	Maruta Koji	2119.98
S5	White	Win	Maruta Hiroki	2229.99
21 Renju Emperor Tournament 2nd round
Date	2020-12-06		Rating	2395.01
Round	Color	Result	Opponent
1	White	Loss	Nagasoe Hiroki	2622.83
2	Black	Loss	Okabe Hiroshi	2733.41
3	Black	Loss	Makino Mitsunori	2547.22
4	White	Win	Shimura Hiroki	2001.72
5	White	Win	Inoue Fumiya	2467.32
21 Renju Emperor Tournament Kanto area 1st round
Date	2020-11-15		Rating	2396.11
Round	Color	Result	Opponent
1	Black	Win	Maruyama Takashi	2046.18
2	Black	Win	Maruta Hiroki	2239.88
3	Black	Loss	Inoue Fumiya	2464.85
4	Black	Win	Fujita Maiko	2366.89
58 Meijinsen Qualification East Japan area 2nd round
Date	2020-07-19		Rating	2396.22
Round	Color	Result	Opponent
1	White	Loss	Fujita Maiko	2373.03
2	White	Win	Kawaai Hitoshi	2010.24
3	White	Loss	Inoue Fumiya	2439.06
4	White	Win	Maruta Hiroki	2244.86
5	Black	Win	Tamada Yoichi	2523.86
ex	Black	Loss	Fujita Maiko	2373.03
58 Meijinsen Qualification Kanto area 1st round
Date	2020-06-21		Rating	2397.60
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2144.02
2	Black	Win	Inoue Fumiya	2435.20
3	White	Win	Maruta Hiroki	2241.96
4	White	Loss	Tamada Yoichi	2520.93
23 New Year (Mikami) Cup
Date	2020-01-26		Rating	2393.39
Round	Color	Result	Opponent
A1	White	Loss	Iwano Fumio	2172.83
A2	Black	Loss	Maruta Hiroki	2218.50
A3	White	Win	Ishitani Shin-ichi	2374.78
A4	Black	Win	Inoue Fumiya	2416.52
A5	Black	Loss	Nakamura Shigeru	2963.90
15th All Japan Championship
Date	2020-01-19		Rating	2393.61
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2817.70
2	White	Draw	Makino Mitsunori	2394.99
3	Black	Win	Kito Shinichi	2177.59
4	White	Win	Inoue Fumiya	2416.04
5	Black	Loss	Kawano Takahisa	2467.94
6	Black	Win	Sakamoto Suzan	2269.81
20 Renju Emperor Tournament Kanto area 1st round
Date	2019-11-10		Rating	2391.06
Round	Color	Result	Opponent
1	White	Loss	Iwano Fumio	2184.74
2	Black	Win	Maruta Hiroki	2195.16
3	White	Loss	Inoue Fumiya	2419.04
4	Black	Win	Maruyama Takashi	2043.91
36 Kanto Championship
Date	2019-07-28		Rating	2397.30
Round	Color	Result	Opponent
1	White	Win	Ito Midori	1762.13
2	Black	Win	Maruyama Takashi	2031.40
3	Black	Loss	Inoue Fumiya	2424.25
4	Black	Loss	Okabe Hiroshi	2718.25
5	Black	Win	Fujikawa Masaki	2151.17
6	White	Win	Maruta Hiroki	2190.84
57 Meijinsen Qualification East Japan area 2nd round
Date	2019-06-23		Rating	2399.52
Round	Color	Result	Opponent
1	Black	Loss	Inoue Fumiya	2426.11
2	White	Win	Maruta Hiroki	2187.15
3	White	Win	Kusajima Masato	2258.61
4	Black	Win	Maruta Koji	2142.75
5	Black	Loss	Koyama Jun	2607.26
57 Meijinsen Qualification Kanto area 1st round
Date	2019-05-12		Rating	2402.05
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2211.92
2	White	Win	Tamada Yoichi	2482.24
3	Black	Win	Maruta Koji	2143.13
4	White	Win	Fujita Maiko	2300.83
14th All Japan Championship
Date	2019-03-31		Rating	2398.02
Round	Color	Result	Opponent
1	White	Loss	Nakayama Tomoharu	2817.88
2	Black	Draw	Maruta Hiroki	2189.21
3	White	Win	Kusajima Masato	2270.41
4	Black	Loss	Koyama Jun	2586.96
5	White	Loss	Fujita Maiko	2289.28
6	Black	Draw	Miyamoto Syunju	2273.67
22 New Year (Mikami) Cup
Date	2019-01-20		Rating	2399.87
Round	Color	Result	Opponent
1	Black	Win	Fujita Maiko	2263.62
2	Black	Win	Fujikawa Masaki	2124.48
3	Black	Loss	Okabe Hiroshi	2691.48
4	White	Win	Takazawa Nagayoshi	2170.80
5	Black	Win	Kato Daisuke	1893.07
19 Renju Emperor Tournament Kanto area 1st round
Date	2018-10-21		Rating	2396.33
Round	Color	Result	Opponent
1	White	Win	Fujita Maiko	2247.16
2	White	Win	Maruta Hiroki	2177.53
3	Black	Draw	Iwano Fumio	2249.38
4	White	Loss	Ishitani Shin-ichi	2426.32
35 Kanto Championship
Date	2018-07-16		Rating	2394.05
Round	Color	Result	Opponent
4	White	Win	Iwano Fumio	2250.21
5	White	Win	Sato Kiyotomi	2442.94
6	White	Loss	Nakamura Shigeru	2993.77
56 Meijinsen Qualification East Japan area 2nd round
Date	2018-06-25		Rating	2391.59
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2443.58
2	White	Loss	Kusajima Masato	2306.98
3	Black	Win	Koyama Jun	2577.26
56 Meijinsen Qualification Kanto area 1st round
Date	2018-05-13		Rating	2387.98
Round	Color	Result	Opponent
1	Black	Loss	Iwano Fumio	2259.53
2	White	Win	Maruta Hiroki	2155.56
3	White	Loss	Sato Kiyotomi	2442.88
4	White	Win	Mitsumori Masao	2333.01
13th All Japan Championship
Date	2018-01-28		Rating	2384.65
Round	Color	Result	Opponent
1	Black	Win	Koyama Jun	2579.72
2	Black	Loss	Kamiya Shunsuke	2812.21
3	Black	Win	Fujita Yudai	2499.89
4	White	Loss	Ishitani Shin-ichi	2418.40
5	White	Win	Maruta Hiroki	2147.94
6	White	Draw	Sato Kiyotomi	2434.23
21 Mikami Cup
Date	2018-01-21		Rating	2383.53
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2717.44
S2	Black	Loss	Sato Kiyotomi	2434.54
S3	Black	Loss	Ishitani Shin-ichi	2416.65
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-01		Rating	2379.59
Round	Color	Result	Opponent
1	Black	Draw	Iwano Fumio	2259.01
2	Black	Win	Miyamoto Syunju	2281.81
3	White	Loss	Koyama Jun	2596.45
4	White	Loss	Sato Kiyotomi	2442.61
34 Kanto Championship
Date	2017-07-16		Rating	2379.59
Round	Color	Result	Opponent
1	Black	Win	Tomosue Takahito	1545.41
2	Black	Loss	Nakayama Tomoharu	2826.80
3	White	Win	Maruta Hiroki	2130.54
4	Black	Loss	Okabe Hiroshi	2721.70
5	Black	Win	Koyama Akihiro	1957.95
6	White	Win	Ishitani Shin-ichi	2394.32
55 Meijinsen Qualification East Japan area 2nd round
Date	2017-06-11		Rating	2377.22
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2471.58
2	White	Loss	Miyamoto Syunju	2270.49
3	Black	Win	Koyama Jun	2601.36
4	White	Win	Tomobe Katsuhiro	2163.34
5	Black	Loss	Tamada Yoichi	2539.24
55 Meijinsen Qualification Kanto area 1st round
Date	2017-05-21		Rating	2376.47
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2119.70
2	Black	Win	Sato Kiyotomi	2474.51
3	Black	Win	Mitsumori Masao	2331.60
4	White	Loss	Tamada Yoichi	2541.45
12th All Japan Championship
Date	2017-03-26		Rating	2368.38
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2723.20
2	Black	Win	Maruta Hiroki	2111.53
3	Black	Loss	Fujita Yudai	2488.85
4	White	Win	Maruta Koji	2153.81
5	Black	Loss	Nakayama Tomoharu	2795.15
6	Black	Loss	Iio Yoshihiro	2547.28
19 Mikami Cup
Date	2016-03-13		Rating	2329.66
Round	Color	Result	Opponent
S1	Black	Loss	Nakamura Shigeru	2942.16
S2	White	Loss	Ishitani Shin-ichi	2393.14
S4	Black	Draw	Kusajima Masato	2265.39
S5	White	Loss	Okabe Hiroshi	2721.46
16 Kanto Renju Emperor Tournament 2nd round
Date	2015-12-13		Rating	2326.66
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2925.17
2	Black	Loss	Koyama Jun	2642.75
3	White	Loss	Sato Kiyotomi	2538.18
4	Black	Loss	Okabe Hiroshi	2715.98
5	Black	Loss	Nakayama Tomoharu	2777.64
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2327.49
Round	Color	Result	Opponent
1	Black	Win	Nakamura Souta	2297.89
2	White	Loss	Okabe Hiroshi	2716.84
3	Black	Win	Hashimoto Takuya	2015.83
4	White	Loss	Koyama Jun	2643.32
53 Meijinsen Qualification East Japan area 2nd round
Date	2015-06-14		Rating	2325.82
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2507.47
2	Black	Loss	Kamiya Shunsuke	2693.47
3	Black	Loss	Koyama Jun	2623.84
4	Black	Loss	Nakamura Souta	2295.52
6	Black	Loss	Tamada Yoichi	2591.92
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2330.27
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2687.63
2	Black	Win	Kato Yasuhiro	2060.13
3	Black	Win	Fujikawa Masaki	2103.01
4	White	Loss	Tamada Yoichi	2587.25
10th All Japan Championship
Date	2015-03-29		Rating	2335.19
Round	Color	Result	Opponent
1	White	Loss	Nakamura Souta	2288.92
2	Black	Win	Maruta Hiroki	2078.81
3	Black	Win	Tanizaki Ryusuke	2203.44
3	Black	Loss	Kamiya Shunsuke	2676.69
4	White	Loss	Kamiya Shunsuke	2676.69
5	Black	Loss	Kobayashi Koichi	2295.27
6	Black	Win	Kubo Izumi	2085.69
15 Kanto Renju Emperor Tournament 2nd round
Date	2015-01-25		Rating	2347.28
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2740.26
2	Black	Loss	Nakamura Shigeru	2900.60
3	White	Loss	Nakamura Souta	2268.77
4	White	Win	Ishitani Shin-ichi	2431.24
5	White	Loss	Kamiya Shunsuke	2661.95
18 Mikami Cup Tournament
Date	2015-01-18		Rating	2348.84
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2740.44
S2	Black	Loss	Nakamura Shigeru	2900.06
S3	White	Draw	Isobe Taizan	2433.70
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2367.59
Round	Color	Result	Opponent
1	Black	Draw	Tada Ayako	2314.58
2	White	Loss	Kamiya Shunsuke	2642.13
3	Black	Win	Maruta Hiroki	2084.02
4	Black	Win	Fukui Nobuhiro	2610.68
52 Meijinsen Qualification East Japan area 2nd round
Date	2014-07-13		Rating	2382.65
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2611.88
2	Black	Win	Tamada Yoichi	2561.96
3	Black	Win	Kudomi Takahiro	2314.35
4	Black	Loss	Nakayama Tomoharu	2710.88
5	Black	Draw	Sato Kiyotomi	2479.37
52 Meijinsen Qualification East Japan area 1st round
Date	2014-06-08		Rating	2384.04
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2263.22
2	Black	Win	Tada Ayako	2315.02
3	Black	Win	Tamada Yoichi	2557.33
4	White	Loss	Nakayama Tomoharu	2704.68
31th Kanto Championship
Date	2014-05-11		Rating	2381.02
Round	Color	Result	Opponent
1	White	Win	Nakamura Souta	2154.33
2	White	Loss	Ishitani Shin-ichi	2455.91
3	Black	Win	Kamiya Shunsuke	2605.67
4	White	Loss	Tamura Kazumasa	2523.10
5	White	Win	Kobayashi Koichi	2242.57
Team World Championship 2014
Date	2014-05-03		Rating	2379.61
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2543.62
3	Black	Loss	Chien Yung-Hsuan	2469.77
6	White	Loss	Iio Yoshihiro	2543.62
7	White	Loss	Hõbemägi Martin	2629.35
8	Black	Draw	Huang Yen-Hua	2371.08
10	Black	Loss	Epifanov Dmitry	2682.87
9th All Japan Championship
Date	2014-01-26		Rating	2376.44
Round	Color	Result	Opponent
1	Black	Win	Kim Chang-Su	2069.74
2	Black	Loss	Nakayama Tomoharu	2673.87
3	White	Win	Yamamoto Yasuhiro	2148.76
4	Black	Win	Ishitani Shin-ichi	2443.25
5	White	Loss	Oosumi Yuuki	2832.99
6	White	Loss	Iio Yoshihiro	2549.76
14th Mikami Cup S-class
Date	2014-01-19		Rating	2375.85
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2442.36
2	Black	Loss	Sato Kiyotomi	2464.38
4	White	Loss	Tamura Kazumasa	2531.78
5	Black	Loss	Nakayama Tomoharu	2673.13
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2387.06
Round	Color	Result	Opponent
1	White	Loss	Tomobe Katsuhiro	2160.04
2	White	Loss	Kamiya Shunsuke	2544.25
3	White	Win	Kobayashi Koichi	2216.34
4	Black	Loss	Mitsumori Masao	2334.41
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2417.15
Round	Color	Result	Opponent
S1	Black	Loss	Ishitani Shin-ichi	2368.39
S2	Black	Win	Kudomi Takahiro	2422.19
S3	Black	Win	Isobe Taizan	2408.45
S4	Black	Loss	Okabe Hiroshi	2720.47
S5	White	Draw	Nakamura Shigeru	2878.63
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2425.95
Round	Color	Result	Opponent
S1	White	Win	Hata Masayuki	2243.12
S2	Black	Loss	Oosumi Yuuki	2827.79
S3	Black	Draw	Iio Yoshihiro	2472.32
S4	Black	Draw	Tamura Kazumasa	2528.12
S5	Black	Win	Miyagawa Junzo	2215.26
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2427.18
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	2039.35
2	White	Loss	Tada Ayako	2305.93
3	Black	Win	Mitsumori Masao	2348.08
4	Black	Loss	Fukui Nobuhiro	2552.84
50th Meijinsen Tournament
Date	2012-09-17		Rating	2431.08
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2471.00
2	White	Loss	Hasegawa Kazuto	2584.10
3	Black	Loss	Okabe Hiroshi	2711.69
4	Black	Win	Matsuura Hiroshi	2329.68
5	White	Loss	Nakamura Shigeru	2882.30
6	Black	Loss	Fukui Nobuhiro	2543.87
7	Black	Loss	Yamaguchi Yusui	2654.52
8	Black	Loss	Nagasoe Hiroki	2551.52
9	Black	Win	Nakayama Tomoharu	2626.71
10th Middle-dan players Tournament
Date	2012-08-26		Rating	2435.45
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2161.63
2	White	Win	Kato Yasuhiro	2099.93
3	White	Win	Nagao Noriaki	2394.47
4	White	Win	Kashihara Akihiko	2311.54
5	White	Win	Fukui Nobuhiro	2537.07
6	Black	Win	Kobayashi Koichi	2234.09
50 Meijinsen Qualification East-Japan area 2nd round
Date	2012-07-08		Rating	2434.55
Round	Color	Result	Opponent
1	Black	Win	Kudomi Takahiro	2425.84
2	White	Loss	Nakamura Shigeru	2885.09
3	White	Win	Kobayashi Koichi	2235.15
50 Meijinsen Qualification East-Japan area 1st round
Date	2012-06-03		Rating	2431.35
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2885.85
2	Black	Loss	Kobayashi Koichi	2235.30
3	Black	Win	Maruta Koji	2130.56
4	Black	Win	Isobe Taizan	2410.02
7th All Japan Championship
Date	2012-01-29		Rating	2422.68
Round	Color	Result	Opponent
1	Black	Win	Matsuoka Teruo	2007.46
2	Black	Loss	Nakayama Tomoharu	2604.20
3	White	Win	Fujikawa Masaki	2074.16
4	Black	Win	Isobe Taizan	2422.98
5	Black	Win	Sakamoto Suzan	2347.19
6	White	Loss	Nakamura Shigeru	2878.32
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2407.58
Round	Color	Result	Opponent
1	Black	Loss	Nakayama Tomoharu	2589.46
2	Black	Win	Maruta Hiroki	2086.00
3	Black	Loss	Mitsumori Masao	2364.54
4	White	Win	Tada Ayako	2254.95
World Championship 2011, BT
Date	2011-08-06		Rating	2398.96
Round	Color	Result	Opponent
1	White	Win	Pestov Arseni	1918.94
2	Black	Win	Blomstedt Torbjorn	2222.89
3	White	Loss	Karasyov Maxim	2641.51
4	Black	Loss	Iio Yoshihiro	2505.78
5	Black	Draw	Małowiejski Piotr	2175.65
6	Black	Loss	Carlsson Martin	2397.17
7	White	Loss	Hõbemägi Martin	2417.99
8	Black	Win	Maltell Tommy	2035.57
9	White	Win	Staub Rain	1917.40
World Championship 2011, QT
Date	2011-08-03		Rating	2399.06
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2706.37
2	Black	Loss	Hou I-Cheng	2505.15
3	Black	Win	Chiang Ping-Hung	2244.64
4	Black	Win	Andersson Tord	2439.98
5	Black	Win	Pajuste Renee	2472.23
6	Black	Loss	Lin Huang-Yu	2782.74
7	White	Loss	Nikonov Konstantin	2650.52
49 Meijinsen Qualification East-Japan area 1st round
Date	2011-06-12		Rating	2397.05
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2862.52
2	Black	Win	Mitsumori Masao	2340.30
3	White	Draw	Kamiya Shunsuke	2419.75
4	White	Loss	Koyama Jun	2436.24
28th Kanto Championship
Date	2011-05-22		Rating	2396.37
Round	Color	Result	Opponent
1	White	Win	Arai Kazumi	2372.07
2	Black	Win	Nakayama Tomoharu	2547.27
3	Black	Loss	Yamaguchi Yusui	2629.90
4	Black	Loss	Mitsumori Masao	2338.78
5	White	Loss	Isobe Taizan	2407.56
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2394.03
Round	Color	Result	Opponent
S2	White	Loss	Nakamura Shigeru	2858.02
S3	Black	Win	Mitsumori Masao	2329.25
S4	White	Loss	Oosumi Yuuki	2737.63
S5	Black	Win	Gakumazawa Hideaki	2114.34
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2388.19
Round	Color	Result	Opponent
1	White	Win	Tada Ayako	2203.34
2	Black	Loss	Isobe Taizan	2405.72
3	White	Win	Iwano Fumio	2122.42
4	Black	Loss	Mitsumori Masao	2325.24
9th Middle-dan Players Tournament
Date	2010-08-29		Rating	2388.57
Round	Color	Result	Opponent
1	Black	Loss	Ozawa Tetsushi	2087.71
2	Black	Win	Matsuo Toshiko	1958.88
3	Black	Loss	Kubo Izumi	2110.32
4	White	Win	Kato Yasuhiro	2076.40
5	White	Win	Kashihara Akihiko	2245.31
6	Black	Win	Nagao Noriaki	2388.66
48th Meijinsen Qualification East-Japan area 2nd round
Date	2010-07-11		Rating	2392.43
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2588.77
2	White	Loss	Tamada Yoichi	2485.44
3	White	Win	Tada Ayako	2194.50
4	White	Win	Tamura Kazumasa	2509.17
5	Black	Win	Kudomi Takahiro	2399.40
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2392.29
Round	Color	Result	Opponent
1	White	Loss	Suzuki Rin	1991.49
2	White	Win	Kato Yasuhiro	2086.32
3	White	Win	Fukui Nobuhiro	2321.24
4	Black	Win	Mitsumori Masao	2303.68
27th Kanto Championship
Date	2010-05-23		Rating	2391.89
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2703.57
2	Black	Win	Fukui Nobuhiro	2316.41
3	Black	Win	Mitsumori Masao	2295.73
4	Black	Loss	Yamaguchi Yusui	2584.69
5	Black	Draw	Kawamura Norihiko	2586.52
5th All Japan Championship
Date	2010-03-21		Rating	2386.83
Round	Color	Result	Opponent
1	White	Win	Matsuoka Teruo	1975.88
2	Black	Loss	Kawamura Norihiko	2588.39
3	Black	Win	Kato Yasuhiro	2099.50
4	Black	Win	Fukui Nobuhiro	2314.68
5	White	Loss	Nakamura Shigeru	2853.74
6	White	Loss	Kawasaki Nobuhiko	2180.60
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2385.20
Round	Color	Result	Opponent
S1	Black	Win	Mitsumori Masao	2300.38
S2	White	Loss	Tamura Kazumasa	2513.52
S3	White	Loss	Sato Kiyotomi	2420.05
S4	White	Loss	Isobe Taizan	2395.96
S5	White	Loss	Iio Yoshihiro	2527.76
10 Kanto Renju Emperor Tournament 2nd round
Date	2009-12-20		Rating	2389.32
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2352.46
2	White	Loss	Okabe Hiroshi	2682.61
3	White	Loss	Tamada Yoichi	2420.91
4	White	Loss	Nakamura Shigeru	2858.65
5	White	Win	Tamura Kazumasa	2510.73
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2401.66
Round	Color	Result	Opponent
1	Black	Win	Suzuki Rin	1954.19
2	Black	Win	Tanizaki Ryusuke	2104.96
3	Black	Win	Ishitani Shin-ichi	2368.69
4	Black	Draw	Okabe Hiroshi	2672.81
8th Middle-dan Players Tournament
Date	2009-08-30		Rating	2403.36
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2114.71
2	Black	Loss	Sato Kiyotomi	2434.48
3	Black	Loss	Miyagawa Junzo	2202.77
4	Black	Win	Kobayashi Koichi	2132.05
5	Black	Win	Kato Yasuhiro	2049.82
6	White	Loss	Koyama Jun	2444.91
World Championship 2009, AT
Date	2009-08-13		Rating	2406.47
Round	Color	Result	Opponent
1	Black	Loss	Taimla Tunnet	2833.11
2	Black	Loss	Okabe Hiroshi	2668.08
3	Black	Loss	Nakamura Shigeru	2853.65
4	White	Win	Nykl Ondřej	2552.46
5	Black	Loss	Cao Dong	2708.55
6	White	Loss	Purk Andry	2677.35
7	Black	Win	Chen Ko-Han	2553.82
8	White	Loss	Kozhin Mikhail	2660.92
9	White	Loss	Karasyov Maxim	2607.42
10	Black	Loss	Sushkov Vladimir	2807.27
11	Black	Loss	Wu Di	2653.68
World Championship 2009, QT
Date	2009-08-05		Rating	2407.91
Round	Color	Result	Opponent
1	White	Win	Lin Ting-Wei	2399.74
2	Black	Loss	Chen Ko-Han	2555.03
3	White	Loss	Okabe Hiroshi	2668.55
4	White	Win	Savrasova Yulia	2659.79
5	White	Win	Jonsson Peter	2356.43
6	White	Win	Tarannikov Yuriy	2720.10
7	White	Win	Karlsson Stefan	2570.62
47th Meijinsen Qualification East-Japan area final round
Date	2009-07-05		Rating	2403.76
Round	Color	Result	Opponent
1	Black	Loss	Arita Nobuyoshi	2369.09
2	Black	Loss	Mitsumori Masao	2340.51
3	White	Loss	Tamura Kazumasa	2511.78
4	Black	Loss	Kudomi Takahiro	2366.68
5	White	Loss	Yamaguchi Yusui	2574.52
47th Meijinsen Qualification East-Japan area 1st round
Date	2009-06-14		Rating	2406.35
Round	Color	Result	Opponent
1	Black	Loss	Mitsumori Masao	2343.18
2	White	Win	Tanno Yoshitaka	2104.57
3	Black	Win	Sato Kiyotomi	2442.78
4	Black	Draw	Kudomi Takahiro	2366.96
26th Kanto Championship
Date	2009-05-17		Rating	2409.63
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2670.33
2	Black	Win	Kato Yasuhiro	2025.07
3	White	Win	Mitsumori Masao	2345.21
4	White	Loss	Kawamura Norihiko	2642.09
26th Kanto Shineisen Tournament
Date	2009-04-05		Rating	2414.01
Round	Color	Result	Opponent
1	White	Win	Tamada Yoichi	2302.37
2	Black	Win	Shimoyama Takuma	2232.70
3	Black	Win	Ozawa Tetsushi	2086.24
4	Black	Win	Iwano Fumio	2176.13
5	Black	Win	Tanizaki Ryusuke	2125.60
4th All Japan Championship
Date	2009-03-21		Rating	2413.74
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2015.87
2	Black	Win	Yamaguchi Yusui	2565.21
3	Black	Loss	Nakamura Shigeru	2858.43
4	Black	Loss	Sato Kiyotomi	2449.88
5	Black	Win	Maruta Hiroki	2093.09
6	Black	Loss	Okabe Hiroshi	2670.47
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2411.06
Round	Color	Result	Opponent
A1	Black	Loss	Iwano Fumio	2168.56
A2	White	Win	Maruta Hiroki	2082.38
A3	Black	Win	Matsuoka Teruo	1903.05
A4	White	Win	Ozawa Tetsushi	2085.37
A5	White	Win	Gakumazawa Hideaki	2174.82
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2410.06
Round	Color	Result	Opponent
1	Black	Win	Kobayashi Chinatsu	1770.81
2	White	Draw	Okabe Hiroshi	2685.68
3	Black	Win	Maruta Koji	2100.60
4	Black	Loss	Mitsumori Masao	2329.30
7th 6-7 dan Tournament
Date	2008-09-28		Rating	2410.09
Round	Color	Result	Opponent
1	Black	Win	Tanno Yoshitaka	2118.93
2	White	Win	Gakumazawa Hideaki	2178.86
3	White	Loss	Tamura Kazumasa	2471.25
4	White	Win	Kobayashi Koichi	2109.28
5	Black	Win	Maruyama Yasushi	2233.40
6	White	Win	Kubo Izumi	2109.26
RIF 20 years anniversary celebration tournament
Date	2008-08-07		Rating	2407.14
Round	Color	Result	Opponent
1	Black	Win	Kryuchok Roman	2372.69
2	White	Loss	Metreveli Irina	2437.33
3	Black	Win	Maximov Nikolay	2255.95
4	Black	Win	Oborina Anastasja	2195.32
5	White	Win	Myasoyedov Yevgeni	2366.59
6	White	Loss	Okabe Hiroshi	2690.19
46th Meijinsen Qualification East-Japan area 1st round
Date	2008-06-15		Rating	2399.44
Round	Color	Result	Opponent
1	Black	Win	Kudomi Takahiro	2339.32
2	White	Win	Arita Nobuyoshi	2393.84
3	White	Loss	Koyama Jun	2443.59
4	White	Loss	Nagao Noriaki	2262.69
25th Kanto Championship
Date	2008-05-18		Rating	2396.05
Round	Color	Result	Opponent
1	White	Win	Nakayama Tomoharu	2242.78
2	White	Loss	Mitsumori Masao	2309.73
3	Black	Loss	Isobe Taizan	2425.47
4	Black	Draw	Tanizaki Ryusuke	2121.17
5	White	Win	Maruta Hiroki	2038.22
25th Kanto Shineisen Tournament
Date	2008-04-13		Rating	2395.72
Round	Color	Result	Opponent
1	White	Loss	Iwano Fumio	2189.45
2	Black	Win	Maruta Hiroki	2032.52
3	White	Win	Tamada Yoichi	2214.10
4	Black	Win	Tomobe Katsuhiro	2064.67
5	White	Draw	Koyama Jun	2437.38
3rd All Japan Championship
Date	2008-03-23		Rating	2396.00
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	1986.22
2	White	Loss	Yamaguchi Yusui	2613.12
3	Black	Win	Kudomi Takahiro	2335.07
4	White	Win	Tamada Yoichi	2207.55
5	Black	Loss	Okabe Hiroshi	2670.14
6	Black	Win	Sato Kiyotomi	2416.16
11th Mikami Cup Tournament, A-Class
Date	2008-01-20		Rating	2390.64
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2190.80
2	White	Win	Takeuchi Shunsuke	1948.78
3	Black	Win	Fujikawa Masaki	2111.35
4	White	Win	Arai Moriya	1944.45
5	White	Win	Iwano Fumio	2187.46
5	Black	Win	Tanizaki Ryusuke	2125.09
ex	White	Win	Kuramoto Hideharu	1917.01
ex	Black	Win	Iwano Fumio	2187.46
8th Kanto Renju Emperor Tournament 2nd round
Date	2007-12-16		Rating	2386.64
Round	Color	Result	Opponent
1	Black	Loss	Isobe Taizan	2435.74
2	Black	Win	Ishitani Shin-ichi	2401.30
3	Black	Loss	Nakamura Shigeru	2857.76
4	White	Win	Kurata Kiyotaka	2275.46
5	Black	Loss	Okabe Hiroshi	2656.23
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2378.98
Round	Color	Result	Opponent
1	White	Win	Yamamoto Jyunko	1803.17
2	White	Win	Isobe Taizan	2436.16
3	Black	Win	Nagao Noriaki	2250.39
4	Black	Win	Mitsumori Masao	2278.67
5	White	Loss	Ishitani Shin-ichi	2399.23
6dan 7dan Tournament
Date	2007-10-08		Rating	2376.01
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	1969.69
2	White	Win	Miyagawa Junzo	2269.41
3	White	Win	Sato Kiyotomi	2401.56
4	White	Loss	Gakumazawa Hideaki	2180.82
5	White	Loss	Tamura Kazumasa	2408.64
6	White	Win	Tadokoro Hosai	1933.27
45th Meijinsen Qualification East-Japan area 1st round
Date	2007-06-17		Rating	2352.17
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2341.05
2	White	Win	Tomobe Katsuhiro	2045.00
3	Black	Win	Hara Masao	2054.06
4	Black	Loss	Tamura Kazumasa	2397.05
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2346.36
Round	Color	Result	Opponent
1	White	Win	Mitsumori Masao	2270.93
2	Black	Loss	Isobe Taizan	2431.35
3	White	Loss	Ishitani Shin-ichi	2385.26
4	White	Win	Fujikawa Masaki	2105.14
5	White	Loss	Sato Kiyotomi	2421.07
24th Kanto Shineisen Tournament
Date	2007-04-15		Rating	2344.91
Round	Color	Result	Opponent
1	White	Win	Tanizaki Ryusuke	2142.83
2	Black	Loss	Iwano Fumio	2158.02
3	Black	Win	Teshima Masakatsu	1953.18
4	White	Win	Watanabe Tatsuya	2127.27
5	Black	Win	Tashiro Yuichi	2274.60
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2342.98
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2522.10
2	White	Win	Miyoshi Takeo	2285.14
3	White	Win	Ishitani Shin-ichi	2381.73
4	White	Loss	Yamaguchi Yusui	2648.73
5	White	Loss	Sato Kiyotomi	2425.25
6	White	Loss	Koyama Jun	2376.70
10th Mikami Cup Tournament, A-class
Date	2007-01-28		Rating	2333.29
Round	Color	Result	Opponent
1	Black	Loss	Iwano Fumio	2143.76
2	White	Win	Matsuoka Teruo	1875.22
3	Black	Win	Kuramoto Hideharu	1882.80
4	White	Win	Ozawa Tetsushi	2016.19
5	White	Win	Fujikawa Masaki	2092.79
23rd Kanto Shinei Tournament
Date	2006-09-10		Rating	2313.31
Round	Color	Result	Opponent
1	Black	Win	Matsuoka Teruo	1854.14
2	Black	Win	Tomobe Katsuhiro	2080.33
3	Black	Win	Iwano Fumio	2110.93
4	White	Win	Watanabe Tatsuya	2135.61
5	White	Loss	Hara Masao	2094.70
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2301.35
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2284.51
2	Black	Loss	Tamura Kazumasa	2364.93
3	Black	Win	Maruta Koji	2112.93
4	Black	Draw	Mitsumori Masao	2253.41
23rd Kanto Championship
Date	2006-05-21		Rating	2299.70
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2596.47
2	Black	Loss	Isobe Taizan	2411.30
3	Black	Win	Tanizaki Ryusuke	2114.04
4	Black	Loss	Tadokoro Hosai	1934.91
5	White	Loss	Iwano Fumio	2095.48
46th Suisei-sen tournament final round
Date	2006-04-16		Rating	2305.01
Round	Color	Result	Opponent
	White	Win	Itami Yoshiyuki	2158.11
	White	Win	Nagao Noriaki	2221.80
	White	Win	Kato Yasuhiro	2051.91
	White	Win	Hara Masao	2078.10
	White	Win	Koyama Jun	2329.34
1st All Japan Championship
Date	2006-03-26		Rating	2304.42
Round	Color	Result	Opponent
1	White	Loss	Takashima Junya	2509.72
2	White	Win	Tomobe Katsuhiro	2090.78
3	White	Loss	Sato Kiyotomi	2410.73
4	White	Draw	Nagao Noriaki	2221.80
5	Black	Win	Tanizaki Ryusuke	2112.96
6	Black	Loss	Kudomi Takahiro	2283.65
46th Suisei-sen Tournament - 1st round
Date	2006-03-12		Rating	2305.20
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2091.26
2	White	Win	Kamemoto Daichi	2190.25
3	Black	Win	Watanabe Tatsuya	2133.08
4	Black	Draw	Nagao Noriaki	2223.79
9th Mikami Cup - A Class
Date	2006-01-29		Rating	2304.18
Round	Color	Result	Opponent
1	Black	Win	Matsuoka Teruo	1825.27
2	White	Win	Maruta Hiroki	1972.94
3	Black	Win	Koyama Jun	2317.58
4	Black	Loss	Oosumi Yuuki	2415.51
5	Black	Win	Itami Yoshiyuki	2169.51
37th Kyoto Classified - group 1
Date	2005-11-13		Rating	2296.50
Round	Color	Result	Opponent
1	White	Loss	Oosumi Yuuki	2404.98
2	White	Win	Kuramoto Hideharu	1820.82
3	Black	Win	Takehara Kenji	1793.02
4	White	Win	Ozawa Tetsushi	2015.75
5	White	Loss	Koyama Jun	2304.42
6	White	Win	Itami Yoshiyuki	2180.01
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2294.85
Round	Color	Result	Opponent
1	White	Win	Harada Motochika	1764.71
2	White	Win	Kudomi Takahiro	2285.39
3	Black	Loss	Isobe Taizan	2458.18
4	White	Loss	Kamemoto Daichi	2180.78
22nd Kanto Shineisen Tournament
Date	2005-09-11		Rating	2293.62
Round	Color	Result	Opponent
1	Black	Win	Kamemoto Daichi	2170.07
2	White	Loss	Watanabe Tatsuya	2125.26
3	Black	Win	Matsuoka Teruo	1840.36
4	White	Win	Nagao Noriaki	2221.87
5	Black	Win	Tomobe Katsuhiro	2075.53
World Championship 2005, BT
Date	2005-08-05		Rating	2291.31
Round	Color	Result	Opponent
1	Black	Loss	Lillemets Rauni	2144.76
2	White	Win	Saranchin Aleksandr	2025.86
3	White	Loss	Iio Yoshihiro	2466.16
4	White	Draw	Wang Chih-Kung	2207.57
5	Black	Loss	Lind Björn	2259.52
6	White	Win	Kubo Izumi	2142.84
7	White	Win	Kudomi Takahiro	2295.76
8	Black	Loss	Tamura Kazumasa	2360.44
9	Black	Win	Rachitskaya Viktoria	2118.46
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2292.61
Round	Color	Result	Opponent
1	Black	Win	Ohno Syunzo	2074.91
2	Black	Loss	Okabe Hiroshi	2583.64
3	White	Loss	Sato Kiyotomi	2394.92
4	White	Win	Sasaki Miyu	1962.39
22nd Kanto Championship
Date	2005-05-22		Rating	2293.50
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2562.52
2	Black	Loss	Mitsumori Masao	2266.93
3	Black	Win	Kamemoto Daichi	2132.37
4	Black	Win	Tomobe Katsuhiro	2049.17
5	Black	Win	Kudomi Takahiro	2300.34
45th Suisei-sen Tournament - Final
Date	2005-04-17		Rating	2293.90
Round	Color	Result	Opponent
	White	Draw	Hara Masao	2053.18
	Black	Loss	Nagao Noriaki	2231.99
	Black	Win	Arita Nobuyoshi	2307.07
	Black	Loss	Tashiro Yuichi	2292.37
	Black	Loss	Sato Kiyotomi	2393.42
Japan WC Qualification tournament
Date	2005-04-03		Rating	2295.98
Round	Color	Result	Opponent
1	White	Win	Miyagawa Sou	2129.04
2	Black	Draw	Kato Yasuhiro	2025.20
3	Black	Win	Yamaguchi Yusui	2557.22
4	White	Draw	Okabe Hiroshi	2583.19
5	Black	Loss	Matsuura Hiroshi	2389.69
6	White	Loss	Isobe Taizan	2463.50
45th Suisei-sen Tournament
Date	2005-03-20		Rating	2297.33
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2048.91
2	Black	Win	Ishizaki Masatoshi	1923.98
3	White	Win	Hara Masao	2057.13
4	Black	Win	Tashiro Yuichi	2292.19
8th Mikami Cup - A Class
Date	2005-01-23		Rating	2296.59
Round	Color	Result	Opponent
1	Black	Win	Watanabe Tatsuya	2085.49
2	Black	Win	Tadokoro Hosai	1924.39
3	Black	Win	Arita Nobuyoshi	2286.51
4	Black	Win	Sato Takuma	2178.79
5	White	Loss	Itami Yoshiyuki	2177.48
5th Kanto Renju Emperor Tournament - 2nd round
Date	2004-12-19		Rating	2294.22
Round	Color	Result	Opponent
	White	Win	Mitsumori Masao	2247.20
	White	Win	Kudomi Takahiro	2329.24
	Black	Loss	Sato Kiyotomi	2368.90
	Black	Loss	Okabe Hiroshi	2577.23
	Black	Loss	Yamaguchi Yusui	2568.70
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2292.20
Round	Color	Result	Opponent
1	Black	Win	Nakata Shinsuke	1926.06
2	White	Win	Mitsumori Masao	2248.52
3	Black	Win	Isobe Taizan	2435.32
4	White	Draw	Kudomi Takahiro	2332.82
36th Kyoto Classified - group 1
Date	2004-11-14		Rating	2288.83
Round	Color	Result	Opponent
1	White	Win	Miyagawa Sou	2124.82
2	Black	Win	Sugiyama Taro	1909.05
3	Black	Loss	Yoshikawa Hiromasa	2203.46
4	Black	Win	Hasegawa Shunzo	1733.16
5	White	Win	Itami Yoshiyuki	2162.62
6	White	Win	Takashima Hirotsugu	1941.29
21st Kanto Shineisen Tournament
Date	2004-09-12		Rating	2271.98
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2016.43
2	Black	Draw	Tanno Yoshitaka	2140.70
3	White	Loss	Nagao Noriaki	2252.44
4	Black	Win	Nakata Shinsuke	1921.97
5	White	Loss	Tashiro Yuichi	2288.34
42nd Meijinsen Qualification: East Japan 1st round
Date	2004-06-13		Rating	2256.53
Round	Color	Result	Opponent
1	Black	Draw	Sunagawa Shouki	2133.71
2	White	Win	Mitsumori Masao	2248.21
3	White	Loss	Sato Kiyotomi	2353.21
4	White	Win	Nagao Noriaki	2258.68
7th Mikami Cup - A class
Date	2004-01-25		Rating	2225.65
Round	Color	Result	Opponent
1	White	Win	Itami Yoshiyuki	2149.18
2	Black	Loss	Tadokoro Hosai	1971.95
3	White	Win	Watanabe Tatsuya	2039.38
4	White	Loss	Sato Koichi	1998.32
5	White	Win	Tanno Yoshitaka	2144.16
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2214.63
Round	Color	Result	Opponent
1	Black	Win	Kato Masami	1818.96
2	White	Win	Kudomi Takahiro	2328.52
3	White	Loss	Okabe Hiroshi	2558.93
4	White	Draw	Sato Kiyotomi	2318.75
35th Kyoto Classified - group 1
Date	2003-11-09		Rating	2212.92
Round	Color	Result	Opponent
1	Black	Loss	Takashima Junya	2353.18
2	White	Win	Hasegawa Shunzo	1733.76
3	White	Loss	Itami Yoshiyuki	2154.32
4	Black	Win	Yamagami Katsumi	2140.44
5	Black	Loss	Oogawara Shingo	2048.09
6	White	Win	Niwa Yoshiko	1233.82
20th Kanto Shineisen Tournament
Date	2003-09-21		Rating	2207.26
Round	Color	Result	Opponent
1	White	Win	Sasaki Miyu	1937.92
2	White	Win	Sato Takuma	2137.56
3	White	Loss	Tashiro Yuichi	2275.05
4	White	Win	Nagao Noriaki	2299.86
5	White	Loss	Tanno Yoshitaka	2154.40
World Championship 2003, BT
Date	2003-08-08		Rating	2201.06
Round	Color	Result	Opponent
1	White	Loss	Tarannikov Yuriy	2582.68
2	White	Loss	Kudomi Takahiro	2345.95
3	White	Win	Pelikan Alan	1875.92
4	White	Loss	Nagao Noriaki	2307.45
5	White	Win	Lu Wei-Yuan	2209.58
6	White	Loss	Dzainukov Eldar	2200.51
7	White	Win	Purk Andry	2290.18
8	White	Win	Eriksson Marcus	2228.28
9	Black	Loss	Mitsumori Masao	2291.31
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2191.23
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2541.25
2	White	Loss	Kubo Izumi	2226.09
4	Black	Win	Tadokoro Hosai	1986.62
Japan WC Qualification 2003
Date	2003-03-22		Rating	2181.55
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2392.29
2	Black	Loss	Miyagawa Junzo	2266.89
3	White	Win	Fujio Katsutoshi	1976.41
4	Black	Win	Kudomi Takahiro	2348.51
5	White	Loss	Sakamoto Suzan	2260.85
1st Shanghai Meijin
Date	2003-03-20		Rating	2181.31
Round	Color	Result	Opponent
	White	Loss	Ye Sen	2070.79
	White	Win	Yu Zhenlin	1935.67
	White	Loss	Mitsumori Masao	2301.19
	White	Loss	Li Hongbin	2381.25
	White	Loss	Sakurai Yasuo	2083.26
	White	Draw	Cui Yue	2270.36
	White	Loss	Gu Wei	2352.53
	White	Loss	Tian Yifang	2249.99
	Black	Win	Hou Jun	2064.22
34th Kyoto Classified - group 1
Date	2002-11-10		Rating	2192.89
Round	Color	Result	Opponent
1	Black	Draw	Arita Nobuyoshi	2163.70
2	White	Win	Kuramoto Hideharu	1726.77
3	Black	Win	Miyagawa Sou	2076.22
4	White	Win	Taguchi Kouta	2157.54
5	White	Loss	Takashima Junya	2327.94
6	White	Win	Yoshikawa Hiromasa	2093.47
World Championship 2001, BT
Date	2001-08-12		Rating	2190.18
Round	Color	Result	Opponent
1	Black	Win	Lents Johann	2363.34
2	Black	Win	Park Jeong Ho	2306.64
3	White	Loss	Iio Yoshihiro	2416.95
4	Black	Loss	Lunkin Vitaly	2317.10
5	Black	Loss	Chernov Sergey	2294.53
6	Black	Win	Yamamoto Yasuhiro	2009.33
7	Black	Loss	Poghosyan Albert	2338.25
8	Black	Win	Chung Chun-Chih	1912.45