Oosumi Yuuki (大角友希)

Place: Moriyama, Japan

Birth: 1986-02-18

Rating: 2668.65, Std: 254.54, Rank: -

First game: 2005-03-20, Last game: 2018-03-18

Top rating: 2848.26 (2013-08-14)

Games: 477, Wins: 295, Draws: 65, Losses: 117

Gy1: 0, Gy2: 0, Gy5: 0

13 Kansai Championship final match
Date	2018-03-18		Rating	2668.65
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2529.35
2	White	Loss	Iio Yoshihiro	2529.35
3	Black	Loss	Iio Yoshihiro	2529.35
12 Kansai Championship final match
Date	2017-03-19		Rating	2711.96
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2624.01
2	White	Loss	Hasegawa Kazuto	2624.01
3	Black	Win	Hasegawa Kazuto	2624.01
11 Kansai Championship Final match
Date	2016-04-03		Rating	2748.63
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2559.12
2	White	Win	Iio Yoshihiro	2559.12
3	Black	Win	Iio Yoshihiro	2559.12
53 Meijinsen Tournament
Date	2015-09-22		Rating	2774.25
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2532.71
2	White	Loss	Koyama Jun	2636.55
3	White	Win	Hasegawa Kazuto	2673.60
4	Black	Win	Kawamura Norihiko	2623.82
5	Black	Draw	Okabe Hiroshi	2718.94
6	White	Win	Matsuura Hiroshi	2399.46
7	White	Win	Ishitani Shin-ichi	2393.29
8	White	Loss	Nakayama Tomoharu	2770.55
9	Black	Draw	Tamada Yoichi	2583.85
10 Kansai Championship final match
Date	2015-03-15		Rating	2809.31
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2522.11
2	White	Win	Iio Yoshihiro	2522.11
52 Meijinsen Match
Date	2015-01-10		Rating	2818.77
Round	Color	Result	Opponent
1	Black	Win	Nakamura Shigeru	2899.00
2	Black	Draw	Nakamura Shigeru	2899.00
3	White	Draw	Nakamura Shigeru	2899.00
4	Black	Draw	Nakamura Shigeru	2899.00
5	White	Loss	Nakamura Shigeru	2899.00
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2824.03
Round	Color	Result	Opponent
S1	Black	Loss	Kawamura Norihiko	2653.52
S2	White	Win	Fukui Nobuhiro	2609.16
S3	Black	Win	Miyagawa Junzo	2230.53
S4	Black	Win	Iio Yoshihiro	2515.57
S5	White	Win	Okabe Hiroshi	2746.48
52 Meijinsen Tournament
Date	2014-09-15		Rating	2828.30
Round	Color	Result	Opponent
1	Black	Win	Matsuura Hiroshi	2352.85
2	White	Win	Sato Kiyotomi	2485.54
3	Black	Win	Iio Yoshihiro	2511.81
4	White	Win	Fukui Nobuhiro	2617.92
5	Black	Win	Okabe Hiroshi	2750.03
6	White	Draw	Nakayama Tomoharu	2721.52
7	Black	Win	Hasegawa Kazuto	2656.23
8	Black	Draw	Tamada Yoichi	2565.86
9	Black	Win	Kashihara Akihiko	2345.16
Team World Championship 2014
Date	2014-05-03		Rating	2826.76
Round	Color	Result	Opponent
1	Black	Draw	Kamiya Shunsuke	2606.05
2	Black	Loss	Lin Huang-Yu	2812.07
3	Black	Win	Soosõrv Ants	2745.55
4	White	Win	Nikonov Konstantin	2724.03
5	White	Win	Huang Yen-Hua	2371.22
6	Black	Win	Mitsumori Masao	2337.70
7	White	Loss	Lin Huang-Yu	2812.07
9	White	Win	Nikonov Konstantin	2724.03
10	Black	Win	Chang Chia-Cheng	2176.67
9th Kansai Championship final match
Date	2014-04-06		Rating	2826.69
Round	Color	Result	Opponent
1	Black	Draw	Iio Yoshihiro	2547.53
2	Black	Loss	Iio Yoshihiro	2547.53
3	White	Win	Iio Yoshihiro	2547.53
4	White	Win	Iio Yoshihiro	2547.53
9th All Japan Championship
Date	2014-01-26		Rating	2832.96
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2291.65
2	Black	Draw	Iio Yoshihiro	2549.64
3	Black	Win	Tamura Kazumasa	2530.89
4	Black	Draw	Okabe Hiroshi	2761.60
5	Black	Win	Ono Takayuki	2376.31
6	White	Win	Fukui Nobuhiro	2610.94
51 Meijinsen Match R3 R4
Date	2013-12-22		Rating	2835.95
Round	Color	Result	Opponent
3	White	Draw	Nakamura Shigeru	2892.82
4	Black	Loss	Nakamura Shigeru	2892.82
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2841.11
Round	Color	Result	Opponent
S1	White	Win	Mano Yoshihisa	2315.59
S2	White	Draw	Okabe Hiroshi	2759.66
S3	Black	Win	Hasegawa Kazuto	2626.66
S4	Black	Win	Ishitani Shin-ichi	2426.63
S5	Black	Win	Fukui Nobuhiro	2600.51
51 Meijinsen Match R1 R2
Date	2013-10-20		Rating	2842.66
Round	Color	Result	Opponent
1	Black	Draw	Nakamura Shigeru	2887.71
2	White	Loss	Nakamura Shigeru	2887.71
51 Meijinsen Tournament
Date	2013-09-16		Rating	2846.57
Round	Color	Result	Opponent
1	Black	Win	Kawano Takahisa	2372.10
2	White	Win	Mano Yoshihisa	2316.89
3	White	Draw	Hasegawa Kazuto	2623.04
4	White	Win	Sato Kiyotomi	2472.34
5	White	Draw	Kamiya Shunsuke	2560.16
6	White	Win	Kawate Kozo	2192.96
7	White	Win	Okabe Hiroshi	2755.33
8	White	Win	Hata Masayuki	2258.50
9	Black	Win	Yamaguchi Yusui	2592.55
ex	White	Win	Okabe Hiroshi	2755.33
World Championship 2013, AT
Date	2013-08-14		Rating	2848.26
Round	Color	Result	Opponent
1	Black	Loss	Taimla Tunnet	2878.91
2	Black	Win	Epifanov Dmitry	2687.05
3	White	Win	Salnikov Pavel	2602.05
4	White	Win	Oll Aivo	2735.63
5	Black	Draw	Okabe Hiroshi	2750.78
6	White	Loss	Cao Dong	2746.20
7	White	Win	Wang Qingqing	2648.96
8	Black	Win	Chen Ko-Han	2683.14
9	Black	Win	Lan Zhiren	2635.82
10	White	Draw	Hõbemägi Martin	2586.05
11	Black	Win	Sushkov Vladimir	2823.52
8th Kansai Championship final match
Date	2013-05-12		Rating	2848.06
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2610.46
2	White	Win	Hasegawa Kazuto	2610.46
8th All Japan Championship
Date	2013-03-24		Rating	2845.75
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2289.71
2	Black	Win	Nagao Noriaki	2389.17
3	Black	Win	Kudomi Takahiro	2420.06
4	White	Draw	Nakamura Shigeru	2868.83
5	Black	Win	Ishitani Shin-ichi	2376.72
6	Black	Win	Okabe Hiroshi	2733.36
ex	Black	Win	Nakamura Shigeru	2868.83
50 Meijinsen Match R5
Date	2013-01-27		Rating	2835.90
Round	Color	Result	Opponent
5	Black	Loss	Nakamura Shigeru	2877.79
50 Meijinsen Match R3,R4
Date	2012-12-23		Rating	2831.46
Round	Color	Result	Opponent
3	White	Draw	Nakamura Shigeru	2880.12
4	White	Loss	Nakamura Shigeru	2880.12
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2827.80
Round	Color	Result	Opponent
S1	Black	Win	Fukui Nobuhiro	2555.57
S2	White	Win	Ono Takayuki	2425.87
S3	White	Win	Kudomi Takahiro	2421.39
S4	White	Draw	Hasegawa Kazuto	2594.52
S5	White	Win	Okabe Hiroshi	2714.63
50 Meijinsen Match R1,R2
Date	2012-10-21		Rating	2825.04
Round	Color	Result	Opponent
1	Black	Win	Nakamura Shigeru	2879.91
2	Black	Draw	Nakamura Shigeru	2879.91
Team World Championship 2012
Date	2012-05-06		Rating	2790.71
Round	Color	Result	Opponent
1	Black	Loss	Cao Dong	2690.76
3	Black	Loss	Sushkov Vladimir	2781.07
5	White	Draw	Taimla Tunnet	2850.07
6	Black	Loss	Yang Yanxi	2694.13
7	White	Win	Lan Zhiren	2573.08
8	White	Win	Cao Dong	2690.76
9	White	Loss	Yang Yanxi	2694.13
10	White	Loss	Lan Zhiren	2573.08
7th Kansai Championship final match
Date	2012-04-01		Rating	2793.42
Round	Color	Result	Opponent
1	Black	Win	Kise Katsumi	2551.19
2	Black	Win	Kise Katsumi	2551.19
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2794.12
Round	Color	Result	Opponent
S1	White	Win	Isobe Taizan	2422.17
S2	Black	Win	Mitsumori Masao	2367.84
S3	Black	Win	Nakamura Shigeru	2879.80
S4	White	Win	Ishitani Shin-ichi	2373.92
S5	Black	Win	Kobayashi Koichi	2218.08
12 Kanto Renju Emperor Tournament final match
Date	2012-02-12		Rating	2792.18
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2878.95
2	Black	Draw	Nakamura Shigeru	2878.95
3	White	Draw	Nakamura Shigeru	2878.95
7th All Japan Championship
Date	2012-01-29		Rating	2791.42
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2488.35
2	White	Win	Kudomi Takahiro	2426.34
3	White	Win	Isobe Taizan	2422.92
4	White	Loss	Nakamura Shigeru	2878.32
5	Black	Win	Mitsumori Masao	2370.98
6	Black	Win	Okabe Hiroshi	2699.20
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2789.98
Round	Color	Result	Opponent
1	Black	Draw	Nakamura Shigeru	2876.38
2	Black	Win	Nakayama Tomoharu	2601.72
3	White	Win	Kamiya Shunsuke	2457.64
4	Black	Win	Mitsumori Masao	2370.25
5	White	Win	Okabe Hiroshi	2700.77
49 Meijinsen Match R3,R4
Date	2011-12-18		Rating	2784.10
Round	Color	Result	Opponent
3	Black	Draw	Yamaguchi Yusui	2654.21
4	Black	Win	Yamaguchi Yusui	2654.21
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2776.20
Round	Color	Result	Opponent
S1	White	Win	Okumura Toyohiko	2323.79
S2	White	Win	Sakamoto Suzan	2357.39
S3	Black	Win	Ishitani Shin-ichi	2393.81
S4	White	Loss	Okabe Hiroshi	2707.52
S5	White	Win	Hasegawa Kazuto	2556.37
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2771.76
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2438.77
2	White	Win	Ishitani Shin-ichi	2394.09
3	White	Win	Kamiya Shunsuke	2442.77
4	White	Win	Nakayama Tomoharu	2589.46
49 Meijinsen Match R1,R2
Date	2011-10-16		Rating	2769.80
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2655.15
2	Black	Win	Yamaguchi Yusui	2655.15
World Championship 2011, AT
Date	2011-08-10		Rating	2753.37
Round	Color	Result	Opponent
1	Black	Loss	Andersson Tord	2440.58
2	Black	Loss	Huang Jin-xian	2615.29
3	Black	Loss	Sushkov Vladimir	2776.81
4	White	Draw	Okabe Hiroshi	2705.98
5	Black	Draw	Lin Huang-Yu	2784.44
6	White	Win	Artemyev Sergey	2603.80
7	White	Win	Hou I-Cheng	2504.53
8	Black	Win	Dai Xiaohan	2699.91
9	White	Win	Oll Aivo	2702.53
10	Black	Draw	Cao Dong	2698.37
11	Black	Draw	Taimla Tunnet	2801.80
28th Kanto Championship
Date	2011-05-22		Rating	2740.03
Round	Color	Result	Opponent
1	Black	Draw	Kato Yasuhiro	2066.04
2	Black	Draw	Kamiya Shunsuke	2416.72
3	Black	Loss	Fukui Nobuhiro	2431.65
4	Black	Win	Iwano Fumio	2132.38
5	Black	Win	Tamada Yoichi	2508.21
6th All Japan Championship
Date	2011-03-27		Rating	2739.78
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2219.24
2	White	Loss	Tamada Yoichi	2515.71
3	Black	Win	Koiso Shigemasa	2165.22
4	Black	Win	Mano Yoshihisa	2276.67
5	Black	Win	Sato Kiyotomi	2401.00
6	Black	Win	Okabe Hiroshi	2700.52
6th Kansai Championship final match
Date	2011-03-20		Rating	2739.80
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2512.38
2	Black	Win	Iio Yoshihiro	2512.38
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2737.65
Round	Color	Result	Opponent
S1	White	Win	Isobe Taizan	2408.91
S2	Black	Win	Mitsumori Masao	2329.21
S3	Black	Win	Nakamura Shigeru	2858.04
S4	Black	Win	Ono Takayuki	2394.02
S5	White	Win	Ishitani Shin-ichi	2392.54
6th Kansai Championship 3rd round
Date	2011-01-09		Rating	2734.09
Round	Color	Result	Opponent
1	Black	Win	Hata Masayuki	2187.48
2	White	Win	Miyagawa Junzo	2225.00
3	White	Win	Kubo Izumi	2106.78
48 Meijinsen Match R3,R4,R5
Date	2010-12-26		Rating	2731.54
Round	Color	Result	Opponent
3	White	Win	Hasegawa Kazuto	2619.66
4	Black	Draw	Hasegawa Kazuto	2619.66
5	Black	Win	Hasegawa Kazuto	2619.66
42 Kyoto Classified Tournament
Date	2010-11-14		Rating	2721.39
Round	Color	Result	Opponent
S1	Black	Win	Miyoshi Takeo	2127.64
S2	Black	Win	Okumura Toyohiko	2333.90
S3	Black	Draw	Hasegawa Kazuto	2632.57
S4	Black	Win	Kudomi Takahiro	2413.39
S5	Black	Win	Okabe Hiroshi	2696.70
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2717.06
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2111.30
2	White	Win	Kudomi Takahiro	2412.75
3	White	Win	Isobe Taizan	2405.69
4	White	Draw	Okabe Hiroshi	2696.94
48 Meijinsen Match R1,R2
Date	2010-10-17		Rating	2712.27
Round	Color	Result	Opponent
1	White	Win	Hasegawa Kazuto	2640.95
2	Black	Loss	Hasegawa Kazuto	2640.95
48th Meijinsen Tournament
Date	2010-09-20		Rating	2703.64
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2391.75
2	Black	Win	Koiso Shigemasa	2174.19
3	White	Win	Okabe Hiroshi	2696.77
4	Black	Draw	Kawano Takahisa	2321.91
5	White	Loss	Sakamoto Suzan	2351.85
6	Black	Draw	Tamada Yoichi	2498.71
7	Black	Win	Matsuura Hiroshi	2392.29
8	Black	Win	Yamaguchi Yusui	2592.05
9	Black	Win	Iio Yoshihiro	2530.72
27th Kanto Championship
Date	2010-05-23		Rating	2666.80
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2190.83
2	Black	Win	Yamaguchi Yusui	2584.69
3	Black	Win	Kawamura Norihiko	2586.56
4	Black	Loss	Nakamura Shigeru	2858.44
5	White	Loss	Okabe Hiroshi	2703.60
Team World Championship 2010
Date	2010-05-05		Rating	2661.00
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2856.70
2	White	Loss	Li Yi	2686.67
3	White	Win	Sushkov Vladimir	2768.62
4	White	Loss	Taimla Tunnet	2818.74
6	White	Loss	Lin Shu-Hsuan	2588.63
7	Black	Win	Piddubny Konstantin	2301.40
8	Black	Win	Piddubny Konstantin	2301.40
9	White	Win	Väljataga Paul	2420.51
10	White	Draw	Sushkov Vladimir	2768.62
5th Kansai Championship final match
Date	2010-03-28		Rating	2650.34
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2532.69
2	Black	Loss	Iio Yoshihiro	2532.69
5th All Japan Championship
Date	2010-03-21		Rating	2649.41
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2084.61
2	White	Win	Tamada Yoichi	2449.25
3	White	Win	Fukui Nobuhiro	2314.63
4	Black	Loss	Ishitani Shin-ichi	2398.48
5	White	Win	Tamura Kazumasa	2514.23
6	White	Win	Nagao Noriaki	2373.40
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2630.67
Round	Color	Result	Opponent
1	Black	Win	Okumura Toyohiko	2331.12
2	White	Win	Kubo Izumi	2115.55
3	White	Loss	Hasegawa Kazuto	2711.59
4	White	Win	Okabe Hiroshi	2673.07
5	Black	Draw	Ishitani Shin-ichi	2370.12
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2630.52
Round	Color	Result	Opponent
S1	Black	Win	Sakamoto Suzan	2323.13
S2	Black	Loss	Miyoshi Takeo	2156.97
S3	Black	Win	Matsuo Toshiko	1981.89
S4	Black	Win	Mano Yoshihisa	2320.86
S5	Black	Win	Tamura Kazumasa	2509.86
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2626.46
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2153.99
2	Black	Win	Tanji Hiroki	2053.62
3	White	Loss	Okabe Hiroshi	2672.84
4	Black	Loss	Tamada Yoichi	2394.39
47th Meijinsen tournament
Date	2009-09-22		Rating	2626.57
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2366.40
2	White	Win	Sakamoto Suzan	2312.90
3	Black	Win	Kataoka Mitsuaki	2258.59
4	Black	Draw	Ishitani Shin-ichi	2369.58
5	Black	Win	Iio Yoshihiro	2516.11
6	Black	Loss	Kawamura Norihiko	2633.67
7	White	Draw	Okabe Hiroshi	2672.58
8	Black	Win	Yamaguchi Yusui	2575.52
9	White	Draw	Tamura Kazumasa	2507.71
World Championship 2009, BT
Date	2009-08-13		Rating	2625.61
Round	Color	Result	Opponent
1	White	Win	Golosov Viktor	2432.13
2	Black	Win	Lents Johann	2490.95
3	White	Win	Tamura Kazumasa	2504.84
4	Black	Win	Yu Tien-Lung	2133.80
5	Black	Loss	Pajuste Renee	2416.89
6	White	Win	Lin Huang-Yu	2607.08
7	White	Draw	Yin Licheng	2500.44
8	White	Win	Nowak Paweł	2438.36
9	White	Loss	Tarannikov Yuriy	2719.64
World Championship 2009, QT
Date	2009-08-05		Rating	2625.09
Round	Color	Result	Opponent
1	White	Win	Yao Jinrui	2340.69
2	White	Win	Savrasova Yulia	2659.91
3	Black	Draw	Cao Dong	2707.23
4	White	Draw	Lu Wei-Yuan	2484.93
5	White	Win	Nowak Paweł	2438.45
6	White	Loss	Chen Ko-Han	2555.14
7	White	Draw	Nykl Ondřej	2550.98
47th Meijinsen Qualification Kansai area 2nd round
Date	2009-06-21		Rating	2621.22
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2116.63
2	Black	Win	Hata Masayuki	2182.94
3	Black	Win	Sakamoto Suzan	2307.87
26th Kanto Championship
Date	2009-05-17		Rating	2617.17
Round	Color	Result	Opponent
1	Black	Win	Tanji Hiroki	2038.10
2	Black	Win	Mitsumori Masao	2345.20
3	Black	Loss	Isobe Taizan	2407.51
4	White	Win	Shimoyama Takuma	2238.18
5	Black	Win	Kawamura Norihiko	2642.11
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2615.44
Round	Color	Result	Opponent
1	Black	Draw	Iio Yoshihiro	2491.03
2	White	Loss	Li Yi	2640.59
3	Black	Loss	Gu Wei	2517.06
4	Black	Win	Xu Bin	2197.03
5	Black	Win	Mitsumori Masao	2345.60
6	White	Win	Isobe Taizan	2406.75
7	Black	Win	Yu Manjiang	2505.40
4th All Japan Championship
Date	2009-03-21		Rating	2612.20
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2117.91
2	Black	Win	Miyoshi Takeo	2211.54
3	White	Draw	Tamura Kazumasa	2512.84
4	Black	Draw	Okabe Hiroshi	2670.51
5	Black	Win	Isobe Taizan	2405.53
6	Black	Draw	Nakamura Shigeru	2858.46
4th Kansai Championship, final match
Date	2009-03-15		Rating	2611.33
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2719.63
2	Black	Win	Hasegawa Kazuto	2719.63
4 Kansai Championship 3rd round
Date	2009-02-15		Rating	2603.22
Round	Color	Result	Opponent
1	Black	Win	Takashima Junya	2534.88
2	White	Win	Iio Yoshihiro	2486.85
3	Black	Win	Tamura Kazumasa	2505.33
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2591.67
Round	Color	Result	Opponent
S1	Black	Win	Mitsumori Masao	2336.70
S2	Black	Draw	Yamaguchi Yusui	2572.33
S3	White	Loss	Ishitani Shin-ichi	2397.40
S4	Black	Loss	Okabe Hiroshi	2675.77
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2566.14
Round	Color	Result	Opponent
1	White	Win	Watanabe Yoko	2063.52
2	White	Loss	Nakayama Tomoharu	2286.03
3	White	Loss	Tamada Yoichi	2268.99
4	White	Win	Fujikawa Masaki	2084.89
46th Meijinsen Tournament
Date	2008-09-15		Rating	2560.83
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2582.35
2	White	Loss	Iio Yoshihiro	2508.12
3	Black	Win	Kataoka Mitsuaki	2251.06
4	White	Win	Sato Kiyotomi	2443.53
5	White	Loss	Okabe Hiroshi	2691.31
6	White	Draw	Ishitani Shin-ichi	2396.36
7	White	Win	Hata Masayuki	2260.39
8	White	Loss	Kawamura Norihiko	2662.70
9	White	Win	Matsuura Hiroshi	2327.84
3rd Kansai Championship final match
Date	2008-03-16		Rating	2559.55
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2763.69
2	White	Loss	Hasegawa Kazuto	2763.69
3rd Kansai Championship 3rd round
Date	2008-01-13		Rating	2562.41
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2414.31
2	White	Win	Takagawa Teiji	2241.83
3	Black	Win	Iio Yoshihiro	2530.16
39th Kyoto Classified - Special Class
Date	2007-11-11		Rating	2559.05
Round	Color	Result	Opponent
1	Black	Draw	Tamura Kazumasa	2410.01
2	Black	Win	Kudomi Takahiro	2339.74
3	Black	Win	Miyagawa Junzo	2266.32
4	Black	Loss	Okabe Hiroshi	2652.94
5	White	Loss	Hasegawa Kazuto	2767.97
3 Kansai Championship 2nd round
Date	2007-10-21		Rating	2558.92
Round	Color	Result	Opponent
1	White	Win	Ozawa Tetsushi	2029.70
2	White	Win	Koiso Shigemasa	2172.93
3	Black	Win	Tamura Kazumasa	2409.44
4	White	Win	Takagawa Teiji	2252.18
The 45th Meijin-sen Tournament
Date	2007-09-17		Rating	2556.49
Round	Color	Result	Opponent
1	Black	Win	Sato Kiyotomi	2399.26
2	White	Loss	Yamaguchi Yusui	2652.86
3	Black	Win	Matsuura Hiroshi	2301.87
4	White	Win	Kawamura Norihiko	2631.92
5	White	Loss	Isobe Taizan	2436.28
6	White	Win	Miyoshi Takeo	2303.19
7	Black	Win	Okabe Hiroshi	2640.97
8	Black	Draw	Iio Yoshihiro	2537.67
World Championship 2007, BT
Date	2007-08-15		Rating	2551.09
Round	Color	Result	Opponent
1	Black	Win	Qiu Yunfei	2495.30
2	White	Win	Serdyukov Egor	2500.13
3	White	Draw	Lu Wei-Yuan	2453.05
4	White	Win	Nokhrin Oleg	2406.27
5	White	Win	Eriksson Marcus	2306.35
6	White	Loss	Lin Huang-Yu	2525.08
7	White	Win	Karasyov Maxim	2499.12
8	White	Win	Sorokina Oksana	2487.00
9	Black	Win	Ishitani Shin-ichi	2388.19
World Championship 2007, QT
Date	2007-08-08		Rating	2548.55
Round	Color	Result	Opponent
1	White	Loss	Qiu Yunfei	2496.50
2	White	Win	Eriksson Bjorn	2345.84
3	White	Win	Miyagawa Junzo	2273.48
4	White	Loss	Okabe Hiroshi	2631.39
5	White	Draw	Dvoeglazov Vladimir	2374.56
6	White	Loss	Savrasova Yulia	2695.89
7	Black	Win	Lu Wei-Yuan	2452.21
45th Meijinsen Qualification Kansai area final round
Date	2007-06-17		Rating	2533.84
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2298.28
2	Black	Win	Hata Masayuki	2229.01
3	White	Loss	Iio Yoshihiro	2532.62
45th Meijinsen Qualification Kansai area - 1st round
Date	2007-05-13		Rating	2524.52
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2272.56
2	Black	Win	Sakamoto Suzan	2299.50
3	White	Win	Takagawa Teiji	2263.48
4	White	Win	Ozawa Tetsushi	2019.65
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2507.99
Round	Color	Result	Opponent
1	White	Loss	Tanno Yoshitaka	2129.60
2	White	Win	Kato Yasuhiro	1964.10
3	Black	Win	Mitsumori Masao	2266.71
4	White	Win	Nagao Noriaki	2235.39
5	Black	Win	Miyagawa Junzo	2275.87
6	White	Loss	Yamaguchi Yusui	2648.75
2nd Kansai Championship 3rd round
Date	2007-01-14		Rating	2488.92
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2521.08
2	White	Loss	Takashima Junya	2512.11
3	White	Win	Sagara Takashi	2500.57
38th Kyoto Classified - Special class
Date	2006-11-12		Rating	2474.59
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2204.64
2	Black	Win	Hasegawa Kazuto	2739.00
3	White	Loss	Takashima Junya	2509.29
4	Black	Win	Miyagawa Sou	2176.01
5	Black	Draw	Okabe Hiroshi	2610.46
2nd Kansai Championship 2nd round
Date	2006-10-15		Rating	2465.47
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2513.17
2	Black	Win	Sakamoto Suzan	2292.78
3	Black	Loss	Sagara Takashi	2506.31
4	Black	Win	Koiso Shigemasa	2173.67
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2455.02
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2442.34
2	White	Win	Matsuura Hiroshi	2300.57
3	White	Loss	Fujii Naoki	2137.30
4	Black	Draw	Kawamura Norihiko	2666.04
5	Black	Loss	Yamaguchi Yusui	2638.31
6	White	Loss	Iio Yoshihiro	2512.91
7	White	Win	Nagao Noriaki	2243.11
8	White	Draw	Okabe Hiroshi	2602.06
9	Black	Win	Ishitani Shin-ichi	2363.24
Asian Championship 2006
Date	2006-08-15		Rating	2444.48
Round	Color	Result	Opponent
1	White	Draw	Lee Jo-Sub	2330.47
2	Black	Win	Kim Su Chan	2130.77
3	White	Loss	Iio Yoshihiro	2512.11
4	Black	Win	Kwon Jae-Woo	1893.08
5	Black	Loss	Park Eol	2256.07
6	Black	Win	Kashihara Akihiko	2297.09
7	White	Win	Pu Hsun-Fang	1962.07
8	Black	Win	Kim Chang-Hoon	2543.66
Youth World Championship 2006
Date	2006-08-08		Rating	2442.41
Round	Color	Result	Opponent
a1	Black	Loss	Zhang Cheng	2454.15
a2	Black	Win	Maruta Hiroki	1997.21
a3	Black	Win	Blomstedt Torbjorn	2125.94
a4	Black	Loss	Oll Aivo	2661.44
a5	White	Win	Tanizaki Ryusuke	2124.31
a6	Black	Win	Lin Shan	2156.56
a7	White	Loss	Wu Hao	2600.62
a8	White	Loss	Serdyukov Egor	2419.60
Meijin-sen Qual, Kansai-Hokuriku area final round
Date	2006-06-18		Rating	2433.08
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2508.47
2	Black	Win	Hata Masayuki	2225.86
3	White	Win	Takashima Junya	2500.69
Team World Championship 2006
Date	2006-05-05		Rating	2422.90
Round	Color	Result	Opponent
1	Black	Draw	Haikonen Kari	2181.98
2	White	Loss	Eriksson Bjorn	2353.39
3	White	Loss	Soosõrv Ants	2670.71
4	Black	Loss	Karasyov Maxim	2577.82
5	White	Loss	Zhu Jianfeng	2503.77
6	Black	Loss	Artemyev Sergey	2624.10
7	Black	Win	Oblikas Mikk	2262.00
F1	Black	Win	Eriksson Bjorn	2353.39
F2	Black	Loss	Gaulitz Joachim	2513.30
1st All Japan Championship
Date	2006-03-26		Rating	2421.18
Round	Color	Result	Opponent
1	Black	Win	Nagao Noriaki	2221.82
2	White	Win	Kato Yasuhiro	2054.90
3	White	Loss	Yamaguchi Yusui	2636.16
4	White	Win	Sato Kiyotomi	2410.75
5	Black	Win	Mitsumori Masao	2261.29
6	Black	Loss	Takashima Junya	2509.75
9th Mikami Cup - A Class
Date	2006-01-29		Rating	2415.55
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2092.62
2	White	Win	Watanabe Tatsuya	2134.01
3	Black	Win	Itami Yoshiyuki	2169.53
4	White	Win	Ono Takayuki	2304.20
5	Black	Win	Kato Yasuhiro	2048.82
30th Seiun-sen Tournament. Hamamatsu area
Date	2006-01-15		Rating	2412.66
Round	Color	Result	Opponent
	Black	Win	Ozawa Tetsushi	2016.59
	Black	Loss	Koide Morihiro	2088.98
	Black	Win	Yamamoto Hukue	1631.29
37th Kyoto Classified - group 1
Date	2005-11-13		Rating	2405.02
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2296.53
2	White	Win	Hayashi Koji	2005.83
3	Black	Win	Koyama Jun	2304.43
4	White	Draw	Itami Yoshiyuki	2180.03
5	Black	Win	Shinoda Kiyoshi	2346.91
6	White	Win	Takehara Kenji	1793.02
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2392.48
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2589.81
2	White	Draw	Ishitani Shin-ichi	2398.99
3	White	Loss	Yamaguchi Yusui	2589.89
4	White	Win	Takashima Junya	2510.80
5	White	Win	Sato Kiyotomi	2392.78
6	White	Win	Kawate Kozo	2173.45
7	White	Loss	Hasegawa Kazuto	2703.24
8	White	Loss	Matsuura Hiroshi	2349.86
9	Black	Win	Tanaka Koichi	2333.80
World Championship 2005, BT
Date	2005-08-05		Rating	2379.12
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2580.70
2	White	Win	Omata Mitsuo	1712.45
3	Black	Loss	Huang Sheng-Hsun	2105.08
4	White	Loss	Eriksson Marcus	2266.25
5	Black	Win	Saranchin Aleksandr	2026.15
6	White	Win	Timmermann Alvar	2118.45
7	White	Loss	Jonsson Peter	2370.47
8	White	Win	Lillemets Rauni	2144.87
9	Black	Win	Miyagawa Junzo	2249.08
World Championship 2005, QT
Date	2005-07-31		Rating	2378.41
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2466.50
2	White	Win	Wang Chih-Kung	2206.67
3	White	Loss	Andersson Tord	2386.91
4	White	Loss	Lents Johann	2535.24
5	White	Win	Poghosyan Albert	2377.21
6	Black	Loss	Kozhin Mikhail	2551.18
7	White	Win	Yamaguchi Yusui	2578.83
1st Kansai Championship 1st round
Date	2005-07-10		Rating	2375.16
Round	Color	Result	Opponent
1	White	Win	Masutani Hiroshi	1835.58
2	White	Loss	Ozawa Tetsushi	2036.66
3	Black	Loss	Tsujibayashi Taro	2048.23
4	White	Win	Ishibashi Hiroaki	1761.19
5	White	Win	Maki Tatsuya	1590.27
43rd Meijinsen Qualification: Kansai area - 2nd round
Date	2005-06-19		Rating	2375.80
Round	Color	Result	Opponent
	Black	Loss	Takashima Junya	2493.35
	Black	Win	Tamura Kazumasa	2356.23
	Black	Win	Matsui Tsunehiro	2165.20
43rd Meijinsen Qualification: Kansai area 1st round
Date	2005-05-08		Rating	2375.36
Round	Color	Result	Opponent
1	White	Win	Adachi Yasuhiro	2045.51
2	White	Win	Koiso Shigemasa	2223.71
3	White	Win	Yasumoto Yoshinobu	2034.67
4	White	Win	Takashima Junya	2486.41
Japan WC Qualification tournament
Date	2005-04-03		Rating	2370.32
Round	Color	Result	Opponent
1	White	Loss	Miyagawa Junzo	2253.90
2	Black	Win	Arita Nobuyoshi	2302.35
3	White	Win	Tamura Kazumasa	2345.35
4	Black	Win	Kato Yasuhiro	2025.21
5	Black	Loss	Okabe Hiroshi	2583.22
6	White	Draw	Miyoshi Takeo	2273.61
38th Touryumon-Sen Tournament
Date	2005-03-20		Rating	2368.36
Round	Color	Result	Opponent
1	White	Win	Tsujibayashi Taro	2042.13
2	White	Win	Miyagawa Sou	2129.65
3	Black	Loss	Takashima Junya	2476.40
4	Black	Win	Ozawa Tetsushi	2036.75
5	White	Win	Sugiyama Taro	1919.25
6	White	Loss	Shinoda Kiyoshi	2319.02