Oosumi Yuuki (大角友希)

Place: Moriyama, Japan

Birth: 1986-02-18

Rating: 2671.08, Std: 268.04, Rank: -

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

Top rating: 2849.65 (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	2671.08
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2532.52
2	White	Loss	Iio Yoshihiro	2532.52
3	Black	Loss	Iio Yoshihiro	2532.52
12 Kansai Championship final match
Date	2017-03-19		Rating	2714.29
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2627.02
2	White	Loss	Hasegawa Kazuto	2627.02
3	Black	Win	Hasegawa Kazuto	2627.02
11 Kansai Championship Final match
Date	2016-04-03		Rating	2750.75
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2561.38
2	White	Win	Iio Yoshihiro	2561.38
3	Black	Win	Iio Yoshihiro	2561.38
53 Meijinsen Tournament
Date	2015-09-22		Rating	2776.24
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2534.83
2	White	Loss	Koyama Jun	2638.54
3	White	Win	Hasegawa Kazuto	2675.82
4	Black	Win	Kawamura Norihiko	2626.45
5	Black	Draw	Okabe Hiroshi	2720.88
6	White	Win	Matsuura Hiroshi	2401.66
7	White	Win	Ishitani Shin-ichi	2395.30
8	White	Loss	Nakayama Tomoharu	2772.43
9	Black	Draw	Tamada Yoichi	2586.02
10 Kansai Championship final match
Date	2015-03-15		Rating	2811.14
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2524.08
2	White	Win	Iio Yoshihiro	2524.08
52 Meijinsen Match
Date	2015-01-10		Rating	2820.55
Round	Color	Result	Opponent
1	Black	Win	Nakamura Shigeru	2900.68
2	Black	Draw	Nakamura Shigeru	2900.68
3	White	Draw	Nakamura Shigeru	2900.68
4	Black	Draw	Nakamura Shigeru	2900.68
5	White	Loss	Nakamura Shigeru	2900.68
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2825.77
Round	Color	Result	Opponent
S1	Black	Loss	Kawamura Norihiko	2655.61
S2	White	Win	Fukui Nobuhiro	2612.31
S3	Black	Win	Miyagawa Junzo	2232.24
S4	Black	Win	Iio Yoshihiro	2517.44
S5	White	Win	Okabe Hiroshi	2748.07
52 Meijinsen Tournament
Date	2014-09-15		Rating	2829.99
Round	Color	Result	Opponent
1	Black	Win	Matsuura Hiroshi	2354.73
2	White	Win	Sato Kiyotomi	2487.44
3	Black	Win	Iio Yoshihiro	2513.62
4	White	Win	Fukui Nobuhiro	2620.74
5	Black	Win	Okabe Hiroshi	2751.54
6	White	Draw	Nakayama Tomoharu	2723.01
7	Black	Win	Hasegawa Kazuto	2658.08
8	Black	Draw	Tamada Yoichi	2567.83
9	Black	Win	Kashihara Akihiko	2347.14
Team World Championship 2014
Date	2014-05-03		Rating	2828.30
Round	Color	Result	Opponent
1	Black	Draw	Kamiya Shunsuke	2607.57
2	Black	Loss	Lin Huang-Yu	2813.60
3	Black	Win	Soosõrv Ants	2747.09
4	White	Win	Nikonov Konstantin	2725.22
5	White	Win	Huang Yen-Hua	2372.60
6	Black	Win	Mitsumori Masao	2339.47
7	White	Loss	Lin Huang-Yu	2813.60
9	White	Win	Nikonov Konstantin	2725.22
10	Black	Win	Chang Chia-Cheng	2177.77
9th Kansai Championship final match
Date	2014-04-06		Rating	2828.20
Round	Color	Result	Opponent
1	Black	Draw	Iio Yoshihiro	2549.19
2	Black	Loss	Iio Yoshihiro	2549.19
3	White	Win	Iio Yoshihiro	2549.19
4	White	Win	Iio Yoshihiro	2549.19
9th All Japan Championship
Date	2014-01-26		Rating	2834.41
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2293.30
2	Black	Draw	Iio Yoshihiro	2551.23
3	Black	Win	Tamura Kazumasa	2524.15
4	Black	Draw	Okabe Hiroshi	2762.76
5	Black	Win	Ono Takayuki	2377.55
6	White	Win	Fukui Nobuhiro	2612.76
51 Meijinsen Match R3 R4
Date	2013-12-22		Rating	2837.38
Round	Color	Result	Opponent
3	White	Draw	Nakamura Shigeru	2894.07
4	Black	Loss	Nakamura Shigeru	2894.07
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2842.52
Round	Color	Result	Opponent
S1	White	Win	Mano Yoshihisa	2317.17
S2	White	Draw	Okabe Hiroshi	2760.85
S3	Black	Win	Hasegawa Kazuto	2628.18
S4	Black	Win	Ishitani Shin-ichi	2427.98
S5	Black	Win	Fukui Nobuhiro	2602.18
51 Meijinsen Match R1 R2
Date	2013-10-20		Rating	2844.06
Round	Color	Result	Opponent
1	Black	Draw	Nakamura Shigeru	2888.97
2	White	Loss	Nakamura Shigeru	2888.97
51 Meijinsen Tournament
Date	2013-09-16		Rating	2847.96
Round	Color	Result	Opponent
1	Black	Win	Kawano Takahisa	2373.60
2	White	Win	Mano Yoshihisa	2318.42
3	White	Draw	Hasegawa Kazuto	2624.51
4	White	Win	Sato Kiyotomi	2473.79
5	White	Draw	Kamiya Shunsuke	2561.54
6	White	Win	Kawate Kozo	2194.44
7	White	Win	Okabe Hiroshi	2756.56
8	White	Win	Hata Masayuki	2260.04
9	Black	Win	Yamaguchi Yusui	2593.78
ex	White	Win	Okabe Hiroshi	2756.56
World Championship 2013, AT
Date	2013-08-14		Rating	2849.65
Round	Color	Result	Opponent
1	Black	Loss	Taimla Tunnet	2880.42
2	Black	Win	Epifanov Dmitry	2688.34
3	White	Win	Salnikov Pavel	2603.25
4	White	Win	Oll Aivo	2736.88
5	Black	Draw	Okabe Hiroshi	2752.03
6	White	Loss	Cao Dong	2747.80
7	White	Win	Wang Qingqing	2650.30
8	Black	Win	Chen Ko-Han	2684.64
9	Black	Win	Lan Zhiren	2637.51
10	White	Draw	Hõbemägi Martin	2588.34
11	Black	Win	Sushkov Vladimir	2824.96
8th Kansai Championship final match
Date	2013-05-12		Rating	2849.42
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2611.83
2	White	Win	Hasegawa Kazuto	2611.83
8th All Japan Championship
Date	2013-03-24		Rating	2847.09
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2291.00
2	Black	Win	Nagao Noriaki	2390.80
3	Black	Win	Kudomi Takahiro	2422.19
4	White	Draw	Nakamura Shigeru	2870.10
5	Black	Win	Ishitani Shin-ichi	2378.03
6	Black	Win	Okabe Hiroshi	2734.63
ex	Black	Win	Nakamura Shigeru	2870.10
50 Meijinsen Match R5
Date	2013-01-27		Rating	2837.22
Round	Color	Result	Opponent
5	Black	Loss	Nakamura Shigeru	2879.05
50 Meijinsen Match R3,R4
Date	2012-12-23		Rating	2832.76
Round	Color	Result	Opponent
3	White	Draw	Nakamura Shigeru	2881.37
4	White	Loss	Nakamura Shigeru	2881.37
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2829.09
Round	Color	Result	Opponent
S1	Black	Win	Fukui Nobuhiro	2556.92
S2	White	Win	Ono Takayuki	2427.00
S3	White	Win	Kudomi Takahiro	2423.17
S4	White	Draw	Hasegawa Kazuto	2595.74
S5	White	Win	Okabe Hiroshi	2715.88
50 Meijinsen Match R1,R2
Date	2012-10-21		Rating	2826.33
Round	Color	Result	Opponent
1	Black	Win	Nakamura Shigeru	2881.16
2	Black	Draw	Nakamura Shigeru	2881.16
Team World Championship 2012
Date	2012-05-06		Rating	2791.94
Round	Color	Result	Opponent
1	Black	Loss	Cao Dong	2692.13
3	Black	Loss	Sushkov Vladimir	2782.49
5	White	Draw	Taimla Tunnet	2851.51
6	Black	Loss	Yang Yanxi	2695.52
7	White	Win	Lan Zhiren	2574.47
8	White	Win	Cao Dong	2692.13
9	White	Loss	Yang Yanxi	2695.52
10	White	Loss	Lan Zhiren	2574.47
7th Kansai Championship final match
Date	2012-04-01		Rating	2794.63
Round	Color	Result	Opponent
1	Black	Win	Kise Katsumi	2552.33
2	Black	Win	Kise Katsumi	2552.33
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2795.31
Round	Color	Result	Opponent
S1	White	Win	Isobe Taizan	2423.28
S2	Black	Win	Mitsumori Masao	2369.04
S3	Black	Win	Nakamura Shigeru	2880.99
S4	White	Win	Ishitani Shin-ichi	2375.07
S5	Black	Win	Kobayashi Koichi	2219.12
12 Kanto Renju Emperor Tournament final match
Date	2012-02-12		Rating	2793.36
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2880.14
2	Black	Draw	Nakamura Shigeru	2880.14
3	White	Draw	Nakamura Shigeru	2880.14
7th All Japan Championship
Date	2012-01-29		Rating	2792.59
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2489.51
2	White	Win	Kudomi Takahiro	2427.67
3	White	Win	Isobe Taizan	2424.01
4	White	Loss	Nakamura Shigeru	2879.50
5	Black	Win	Mitsumori Masao	2372.15
6	Black	Win	Okabe Hiroshi	2700.37
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2791.14
Round	Color	Result	Opponent
1	Black	Draw	Nakamura Shigeru	2877.55
2	Black	Win	Nakayama Tomoharu	2602.85
3	White	Win	Kamiya Shunsuke	2458.75
4	Black	Win	Mitsumori Masao	2371.41
5	White	Win	Okabe Hiroshi	2701.94
49 Meijinsen Match R3,R4
Date	2011-12-18		Rating	2785.25
Round	Color	Result	Opponent
3	Black	Draw	Yamaguchi Yusui	2655.28
4	Black	Win	Yamaguchi Yusui	2655.28
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2777.33
Round	Color	Result	Opponent
S1	White	Win	Okumura Toyohiko	2324.55
S2	White	Win	Sakamoto Suzan	2358.51
S3	Black	Win	Ishitani Shin-ichi	2394.90
S4	White	Loss	Okabe Hiroshi	2708.67
S5	White	Win	Hasegawa Kazuto	2557.44
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2772.88
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2439.91
2	White	Win	Ishitani Shin-ichi	2395.16
3	White	Win	Kamiya Shunsuke	2443.84
4	White	Win	Nakayama Tomoharu	2590.55
49 Meijinsen Match R1,R2
Date	2011-10-16		Rating	2770.91
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2656.20
2	Black	Win	Yamaguchi Yusui	2656.20
World Championship 2011, AT
Date	2011-08-10		Rating	2754.46
Round	Color	Result	Opponent
1	Black	Loss	Andersson Tord	2441.14
2	Black	Loss	Huang Jin-xian	2616.57
3	Black	Loss	Sushkov Vladimir	2778.13
4	White	Draw	Okabe Hiroshi	2707.11
5	Black	Draw	Lin Huang-Yu	2785.51
6	White	Win	Artemyev Sergey	2604.76
7	White	Win	Hou I-Cheng	2505.68
8	Black	Win	Dai Xiaohan	2701.13
9	White	Win	Oll Aivo	2703.70
10	Black	Draw	Cao Dong	2699.62
11	Black	Draw	Taimla Tunnet	2803.26
28th Kanto Championship
Date	2011-05-22		Rating	2741.06
Round	Color	Result	Opponent
1	Black	Draw	Kato Yasuhiro	2066.98
2	Black	Draw	Kamiya Shunsuke	2417.73
3	Black	Loss	Fukui Nobuhiro	2432.67
4	Black	Win	Iwano Fumio	2133.33
5	Black	Win	Tamada Yoichi	2509.24
6th All Japan Championship
Date	2011-03-27		Rating	2740.79
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2220.16
2	White	Loss	Tamada Yoichi	2516.70
3	Black	Win	Koiso Shigemasa	2166.16
4	Black	Win	Mano Yoshihisa	2277.69
5	Black	Win	Sato Kiyotomi	2401.99
6	Black	Win	Okabe Hiroshi	2701.57
6th Kansai Championship final match
Date	2011-03-20		Rating	2740.81
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2513.38
2	Black	Win	Iio Yoshihiro	2513.38
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2738.62
Round	Color	Result	Opponent
S1	White	Win	Isobe Taizan	2409.84
S2	Black	Win	Mitsumori Masao	2330.16
S3	Black	Win	Nakamura Shigeru	2859.10
S4	Black	Win	Ono Takayuki	2394.93
S5	White	Win	Ishitani Shin-ichi	2393.47
6th Kansai Championship 3rd round
Date	2011-01-09		Rating	2735.06
Round	Color	Result	Opponent
1	Black	Win	Hata Masayuki	2188.36
2	White	Win	Miyagawa Junzo	2225.87
3	White	Win	Kubo Izumi	2107.63
48 Meijinsen Match R3,R4,R5
Date	2010-12-26		Rating	2732.49
Round	Color	Result	Opponent
3	White	Win	Hasegawa Kazuto	2620.59
4	Black	Draw	Hasegawa Kazuto	2620.59
5	Black	Win	Hasegawa Kazuto	2620.59
42 Kyoto Classified Tournament
Date	2010-11-14		Rating	2722.33
Round	Color	Result	Opponent
S1	Black	Win	Miyoshi Takeo	2128.52
S2	Black	Win	Okumura Toyohiko	2334.59
S3	Black	Draw	Hasegawa Kazuto	2633.48
S4	Black	Win	Kudomi Takahiro	2414.33
S5	Black	Win	Okabe Hiroshi	2697.68
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2717.98
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2112.15
2	White	Win	Kudomi Takahiro	2413.68
3	White	Win	Isobe Taizan	2406.58
4	White	Draw	Okabe Hiroshi	2697.92
48 Meijinsen Match R1,R2
Date	2010-10-17		Rating	2713.18
Round	Color	Result	Opponent
1	White	Win	Hasegawa Kazuto	2641.85
2	Black	Loss	Hasegawa Kazuto	2641.85
48th Meijinsen Tournament
Date	2010-09-20		Rating	2704.54
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2392.61
2	Black	Win	Koiso Shigemasa	2175.01
3	White	Win	Okabe Hiroshi	2697.73
4	Black	Draw	Kawano Takahisa	2322.83
5	White	Loss	Sakamoto Suzan	2352.70
6	Black	Draw	Tamada Yoichi	2499.56
7	Black	Win	Matsuura Hiroshi	2393.23
8	Black	Win	Yamaguchi Yusui	2592.94
9	Black	Win	Iio Yoshihiro	2531.61
27th Kanto Championship
Date	2010-05-23		Rating	2667.63
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2191.61
2	Black	Win	Yamaguchi Yusui	2585.54
3	Black	Win	Kawamura Norihiko	2587.32
4	Black	Loss	Nakamura Shigeru	2859.45
5	White	Loss	Okabe Hiroshi	2704.51
Team World Championship 2010
Date	2010-05-05		Rating	2661.83
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2857.70
2	White	Loss	Li Yi	2687.83
3	White	Win	Sushkov Vladimir	2769.82
4	White	Loss	Taimla Tunnet	2820.63
6	White	Loss	Lin Shu-Hsuan	2589.76
7	Black	Win	Piddubny Konstantin	2301.92
8	Black	Win	Piddubny Konstantin	2301.92
9	White	Win	Väljataga Paul	2421.70
10	White	Draw	Sushkov Vladimir	2769.82
5th Kansai Championship final match
Date	2010-03-28		Rating	2651.13
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2533.47
2	Black	Loss	Iio Yoshihiro	2533.47
5th All Japan Championship
Date	2010-03-21		Rating	2650.19
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2085.35
2	White	Win	Tamada Yoichi	2449.95
3	White	Win	Fukui Nobuhiro	2315.46
4	Black	Loss	Ishitani Shin-ichi	2399.24
5	White	Win	Tamura Kazumasa	2514.53
6	White	Win	Nagao Noriaki	2374.22
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2631.33
Round	Color	Result	Opponent
1	Black	Win	Okumura Toyohiko	2331.72
2	White	Win	Kubo Izumi	2116.05
3	White	Loss	Hasegawa Kazuto	2712.33
4	White	Win	Okabe Hiroshi	2673.88
5	Black	Draw	Ishitani Shin-ichi	2370.80
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2631.18
Round	Color	Result	Opponent
S1	Black	Win	Sakamoto Suzan	2323.78
S2	Black	Loss	Miyoshi Takeo	2157.68
S3	Black	Win	Matsuo Toshiko	1982.52
S4	Black	Win	Mano Yoshihisa	2321.74
S5	Black	Win	Tamura Kazumasa	2510.26
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2627.09
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2154.66
2	Black	Win	Tanji Hiroki	2054.18
3	White	Loss	Okabe Hiroshi	2673.64
4	Black	Loss	Tamada Yoichi	2394.95
47th Meijinsen tournament
Date	2009-09-22		Rating	2627.20
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2367.18
2	White	Win	Sakamoto Suzan	2313.52
3	Black	Win	Kataoka Mitsuaki	2259.38
4	Black	Draw	Ishitani Shin-ichi	2370.23
5	Black	Win	Iio Yoshihiro	2516.75
6	Black	Loss	Kawamura Norihiko	2634.37
7	White	Draw	Okabe Hiroshi	2673.37
8	Black	Win	Yamaguchi Yusui	2576.33
9	White	Draw	Tamura Kazumasa	2508.11
World Championship 2009, BT
Date	2009-08-13		Rating	2626.19
Round	Color	Result	Opponent
1	White	Win	Golosov Viktor	2432.76
2	Black	Win	Lents Johann	2491.13
3	White	Win	Tamura Kazumasa	2505.23
4	Black	Win	Yu Tien-Lung	2134.65
5	Black	Loss	Pajuste Renee	2417.69
6	White	Win	Lin Huang-Yu	2607.64
7	White	Draw	Yin Licheng	2501.21
8	White	Win	Nowak Paweł	2437.97
9	White	Loss	Tarannikov Yuriy	2720.33
World Championship 2009, QT
Date	2009-08-05		Rating	2625.67
Round	Color	Result	Opponent
1	White	Win	Yao Jinrui	2341.25
2	White	Win	Savrasova Yulia	2660.63
3	Black	Draw	Cao Dong	2708.25
4	White	Draw	Lu Wei-Yuan	2485.23
5	White	Win	Nowak Paweł	2438.06
6	White	Loss	Chen Ko-Han	2555.92
7	White	Draw	Nykl Ondřej	2551.06
47th Meijinsen Qualification Kansai area 2nd round
Date	2009-06-21		Rating	2621.77
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2116.99
2	Black	Win	Hata Masayuki	2183.53
3	Black	Win	Sakamoto Suzan	2308.43
26th Kanto Championship
Date	2009-05-17		Rating	2617.70
Round	Color	Result	Opponent
1	Black	Win	Tanji Hiroki	2038.63
2	Black	Win	Mitsumori Masao	2345.84
3	Black	Loss	Isobe Taizan	2408.17
4	White	Win	Shimoyama Takuma	2238.81
5	Black	Win	Kawamura Norihiko	2642.78
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2615.95
Round	Color	Result	Opponent
1	Black	Draw	Iio Yoshihiro	2491.55
2	White	Loss	Li Yi	2641.63
3	Black	Loss	Gu Wei	2517.95
4	Black	Win	Xu Bin	2197.84
5	Black	Win	Mitsumori Masao	2346.24
6	White	Win	Isobe Taizan	2407.42
7	Black	Win	Yu Manjiang	2506.18
4th All Japan Championship
Date	2009-03-21		Rating	2612.67
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2118.46
2	Black	Win	Miyoshi Takeo	2212.14
3	White	Draw	Tamura Kazumasa	2513.09
4	Black	Draw	Okabe Hiroshi	2671.21
5	Black	Win	Isobe Taizan	2406.17
6	Black	Draw	Nakamura Shigeru	2859.29
4th Kansai Championship, final match
Date	2009-03-15		Rating	2611.79
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2720.30
2	Black	Win	Hasegawa Kazuto	2720.30
4 Kansai Championship 3rd round
Date	2009-02-15		Rating	2603.65
Round	Color	Result	Opponent
1	Black	Win	Takashima Junya	2527.67
2	White	Win	Iio Yoshihiro	2487.29
3	Black	Win	Tamura Kazumasa	2505.52
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2592.11
Round	Color	Result	Opponent
S1	Black	Win	Mitsumori Masao	2337.29
S2	Black	Draw	Yamaguchi Yusui	2573.19
S3	White	Loss	Ishitani Shin-ichi	2397.90
S4	Black	Loss	Okabe Hiroshi	2676.44
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2566.58
Round	Color	Result	Opponent
1	White	Win	Watanabe Yoko	2063.89
2	White	Loss	Nakayama Tomoharu	2286.85
3	White	Loss	Tamada Yoichi	2269.13
4	White	Win	Fujikawa Masaki	2085.40
46th Meijinsen Tournament
Date	2008-09-15		Rating	2561.26
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2583.31
2	White	Loss	Iio Yoshihiro	2508.68
3	Black	Win	Kataoka Mitsuaki	2251.73
4	White	Win	Sato Kiyotomi	2444.18
5	White	Loss	Okabe Hiroshi	2691.93
6	White	Draw	Ishitani Shin-ichi	2396.79
7	White	Win	Hata Masayuki	2260.87
8	White	Loss	Kawamura Norihiko	2663.33
9	White	Win	Matsuura Hiroshi	2328.49
3rd Kansai Championship final match
Date	2008-03-16		Rating	2559.93
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2764.29
2	White	Loss	Hasegawa Kazuto	2764.29
3rd Kansai Championship 3rd round
Date	2008-01-13		Rating	2562.77
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2414.52
2	White	Win	Takagawa Teiji	2242.20
3	Black	Win	Iio Yoshihiro	2531.01
39th Kyoto Classified - Special Class
Date	2007-11-11		Rating	2559.38
Round	Color	Result	Opponent
1	Black	Draw	Tamura Kazumasa	2410.21
2	Black	Win	Kudomi Takahiro	2340.17
3	Black	Win	Miyagawa Junzo	2266.18
4	Black	Loss	Okabe Hiroshi	2653.97
5	White	Loss	Hasegawa Kazuto	2768.55
3 Kansai Championship 2nd round
Date	2007-10-21		Rating	2559.24
Round	Color	Result	Opponent
1	White	Win	Ozawa Tetsushi	2030.06
2	White	Win	Koiso Shigemasa	2173.20
3	Black	Win	Tamura Kazumasa	2409.64
4	White	Win	Takagawa Teiji	2252.52
The 45th Meijin-sen Tournament
Date	2007-09-17		Rating	2556.80
Round	Color	Result	Opponent
1	Black	Win	Sato Kiyotomi	2399.78
2	White	Loss	Yamaguchi Yusui	2654.31
3	Black	Win	Matsuura Hiroshi	2302.41
4	White	Win	Kawamura Norihiko	2632.48
5	White	Loss	Isobe Taizan	2436.80
6	White	Win	Miyoshi Takeo	2303.60
7	Black	Win	Okabe Hiroshi	2642.12
8	Black	Draw	Iio Yoshihiro	2538.68
World Championship 2007, BT
Date	2007-08-15		Rating	2551.36
Round	Color	Result	Opponent
1	Black	Win	Qiu Yunfei	2495.73
2	White	Win	Serdyukov Egor	2499.46
3	White	Draw	Lu Wei-Yuan	2452.55
4	White	Win	Nokhrin Oleg	2406.06
5	White	Win	Eriksson Marcus	2306.11
6	White	Loss	Lin Huang-Yu	2525.29
7	White	Win	Karasyov Maxim	2499.07
8	White	Win	Sorokina Oksana	2486.82
9	Black	Win	Ishitani Shin-ichi	2388.13
World Championship 2007, QT
Date	2007-08-08		Rating	2548.82
Round	Color	Result	Opponent
1	White	Loss	Qiu Yunfei	2496.94
2	White	Win	Eriksson Bjorn	2345.07
3	White	Win	Miyagawa Junzo	2273.16
4	White	Loss	Okabe Hiroshi	2632.60
5	White	Draw	Dvoeglazov Vladimir	2372.72
6	White	Loss	Savrasova Yulia	2696.93
7	Black	Win	Lu Wei-Yuan	2451.72
45th Meijinsen Qualification Kansai area final round
Date	2007-06-17		Rating	2534.10
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2298.36
2	Black	Win	Hata Masayuki	2229.33
3	White	Loss	Iio Yoshihiro	2533.53
45th Meijinsen Qualification Kansai area - 1st round
Date	2007-05-13		Rating	2524.77
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2272.36
2	Black	Win	Sakamoto Suzan	2299.60
3	White	Win	Takagawa Teiji	2263.78
4	White	Win	Ozawa Tetsushi	2019.97
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2508.23
Round	Color	Result	Opponent
1	White	Loss	Tanno Yoshitaka	2129.91
2	White	Win	Kato Yasuhiro	1964.42
3	Black	Win	Mitsumori Masao	2267.08
4	White	Win	Nagao Noriaki	2235.74
5	Black	Win	Miyagawa Junzo	2275.71
6	White	Loss	Yamaguchi Yusui	2649.89
2nd Kansai Championship 3rd round
Date	2007-01-14		Rating	2489.14
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2521.67
2	White	Loss	Takashima Junya	2510.67
3	White	Win	Sagara Takashi	2500.54
38th Kyoto Classified - Special class
Date	2006-11-12		Rating	2474.81
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2204.90
2	Black	Win	Hasegawa Kazuto	2739.40
3	White	Loss	Takashima Junya	2508.19
4	Black	Win	Miyagawa Sou	2176.26
5	Black	Draw	Okabe Hiroshi	2611.05
2nd Kansai Championship 2nd round
Date	2006-10-15		Rating	2465.69
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2513.64
2	Black	Win	Sakamoto Suzan	2292.90
3	Black	Loss	Sagara Takashi	2506.26
4	Black	Win	Koiso Shigemasa	2173.87
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2455.24
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2442.69
2	White	Win	Matsuura Hiroshi	2300.96
3	White	Loss	Fujii Naoki	2137.69
4	Black	Draw	Kawamura Norihiko	2666.45
5	Black	Loss	Yamaguchi Yusui	2639.07
6	White	Loss	Iio Yoshihiro	2513.36
7	White	Win	Nagao Noriaki	2243.41
8	White	Draw	Okabe Hiroshi	2602.56
9	Black	Win	Ishitani Shin-ichi	2363.39
Asian Championship 2006
Date	2006-08-15		Rating	2444.69
Round	Color	Result	Opponent
1	White	Draw	Lee Jo-Sub	2331.06
2	Black	Win	Kim Su Chan	2131.64
3	White	Loss	Iio Yoshihiro	2512.53
4	Black	Win	Kwon Jae-Woo	1893.85
5	Black	Loss	Park Eol	2256.49
6	Black	Win	Kashihara Akihiko	2297.33
7	White	Win	Pu Hsun-Fang	1962.40
8	Black	Win	Kim Chang-Hoon	2545.29
Youth World Championship 2006
Date	2006-08-08		Rating	2442.62
Round	Color	Result	Opponent
a1	Black	Loss	Zhang Cheng	2454.80
a2	Black	Win	Maruta Hiroki	1997.48
a3	Black	Win	Blomstedt Torbjorn	2125.66
a4	Black	Loss	Oll Aivo	2661.86
a5	White	Win	Tanizaki Ryusuke	2124.56
a6	Black	Win	Lin Shan	2156.82
a7	White	Loss	Wu Hao	2601.29
a8	White	Loss	Serdyukov Egor	2419.43
Meijin-sen Qual, Kansai-Hokuriku area final round
Date	2006-06-18		Rating	2433.26
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2508.83
2	Black	Win	Hata Masayuki	2226.09
3	White	Win	Takashima Junya	2500.22
Team World Championship 2006
Date	2006-05-05		Rating	2423.05
Round	Color	Result	Opponent
1	Black	Draw	Haikonen Kari	2182.17
2	White	Loss	Eriksson Bjorn	2353.19
3	White	Loss	Soosõrv Ants	2669.40
4	Black	Loss	Karasyov Maxim	2577.76
5	White	Loss	Zhu Jianfeng	2504.27
6	Black	Loss	Artemyev Sergey	2623.63
7	Black	Win	Oblikas Mikk	2261.96
F1	Black	Win	Eriksson Bjorn	2353.19
F2	Black	Loss	Gaulitz Joachim	2513.18
1st All Japan Championship
Date	2006-03-26		Rating	2421.33
Round	Color	Result	Opponent
1	Black	Win	Nagao Noriaki	2222.06
2	White	Win	Kato Yasuhiro	2055.14
3	White	Loss	Yamaguchi Yusui	2636.67
4	White	Win	Sato Kiyotomi	2411.03
5	Black	Win	Mitsumori Masao	2261.55
6	Black	Loss	Takashima Junya	2509.52
9th Mikami Cup - A Class
Date	2006-01-29		Rating	2415.68
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2092.84
2	White	Win	Watanabe Tatsuya	2134.24
3	Black	Win	Itami Yoshiyuki	2169.72
4	White	Win	Ono Takayuki	2304.39
5	Black	Win	Kato Yasuhiro	2049.05
30th Seiun-sen Tournament. Hamamatsu area
Date	2006-01-15		Rating	2412.79
Round	Color	Result	Opponent
	Black	Win	Ozawa Tetsushi	2016.82
	Black	Loss	Koide Morihiro	2089.13
	Black	Win	Yamamoto Hukue	1631.51
37th Kyoto Classified - group 1
Date	2005-11-13		Rating	2405.13
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2296.68
2	White	Win	Hayashi Koji	2006.03
3	Black	Win	Koyama Jun	2304.67
4	White	Draw	Itami Yoshiyuki	2180.22
5	Black	Win	Shinoda Kiyoshi	2347.07
6	White	Win	Takehara Kenji	1793.18
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2392.58
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2590.04
2	White	Draw	Ishitani Shin-ichi	2399.08
3	White	Loss	Yamaguchi Yusui	2590.19
4	White	Win	Takashima Junya	2510.73
5	White	Win	Sato Kiyotomi	2393.00
6	White	Win	Kawate Kozo	2173.83
7	White	Loss	Hasegawa Kazuto	2703.45
8	White	Loss	Matsuura Hiroshi	2350.10
9	Black	Win	Tanaka Koichi	2334.07
World Championship 2005, BT
Date	2005-08-05		Rating	2379.19
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2580.97
2	White	Win	Omata Mitsuo	1712.70
3	Black	Loss	Huang Sheng-Hsun	2105.14
4	White	Loss	Eriksson Marcus	2266.18
5	Black	Win	Saranchin Aleksandr	2024.98
6	White	Win	Timmermann Alvar	2118.79
7	White	Loss	Jonsson Peter	2370.36
8	White	Win	Lillemets Rauni	2141.87
9	Black	Win	Miyagawa Junzo	2249.13
World Championship 2005, QT
Date	2005-07-31		Rating	2378.48
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2466.61
2	White	Win	Wang Chih-Kung	2206.71
3	White	Loss	Andersson Tord	2386.96
4	White	Loss	Lents Johann	2534.99
5	White	Win	Poghosyan Albert	2376.83
6	Black	Loss	Kozhin Mikhail	2551.13
7	White	Win	Yamaguchi Yusui	2579.10
1st Kansai Championship 1st round
Date	2005-07-10		Rating	2375.24
Round	Color	Result	Opponent
1	White	Win	Masutani Hiroshi	1835.71
2	White	Loss	Ozawa Tetsushi	2036.86
3	Black	Loss	Tsujibayashi Taro	2048.36
4	White	Win	Ishibashi Hiroaki	1761.35
5	White	Win	Maki Tatsuya	1590.38
43rd Meijinsen Qualification: Kansai area - 2nd round
Date	2005-06-19		Rating	2375.87
Round	Color	Result	Opponent
	Black	Loss	Takashima Junya	2493.31
	Black	Win	Tamura Kazumasa	2356.34
	Black	Win	Matsui Tsunehiro	2165.42
43rd Meijinsen Qualification: Kansai area 1st round
Date	2005-05-08		Rating	2375.44
Round	Color	Result	Opponent
1	White	Win	Adachi Yasuhiro	2045.75
2	White	Win	Koiso Shigemasa	2223.83
3	White	Win	Yasumoto Yoshinobu	2034.90
4	White	Win	Takashima Junya	2486.38
Japan WC Qualification tournament
Date	2005-04-03		Rating	2370.41
Round	Color	Result	Opponent
1	White	Loss	Miyagawa Junzo	2253.96
2	Black	Win	Arita Nobuyoshi	2302.54
3	White	Win	Tamura Kazumasa	2345.45
4	Black	Win	Kato Yasuhiro	2025.40
5	Black	Loss	Okabe Hiroshi	2583.40
6	White	Draw	Miyoshi Takeo	2273.76
38th Touryumon-Sen Tournament
Date	2005-03-20		Rating	2368.45
Round	Color	Result	Opponent
1	White	Win	Tsujibayashi Taro	2042.26
2	White	Win	Miyagawa Sou	2129.78
3	Black	Loss	Takashima Junya	2476.38
4	Black	Win	Ozawa Tetsushi	2036.94
5	White	Win	Sugiyama Taro	1919.33
6	White	Loss	Shinoda Kiyoshi	2319.17