Oosumi Yuuki (大角友希)

Place: Moriyama, Japan

Birth: 1986-02-18

Rating: 2672.35, Std: 269.65, Rank: -

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

Top rating: 2850.52 (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	2672.35
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2534.13
2	White	Loss	Iio Yoshihiro	2534.13
3	Black	Loss	Iio Yoshihiro	2534.13
12 Kansai Championship final match
Date	2017-03-19		Rating	2715.50
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2628.45
2	White	Loss	Hasegawa Kazuto	2628.45
3	Black	Win	Hasegawa Kazuto	2628.45
11 Kansai Championship Final match
Date	2016-04-03		Rating	2751.87
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2562.53
2	White	Win	Iio Yoshihiro	2562.53
3	Black	Win	Iio Yoshihiro	2562.53
53 Meijinsen Tournament
Date	2015-09-22		Rating	2777.31
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2535.90
2	White	Loss	Koyama Jun	2639.59
3	White	Win	Hasegawa Kazuto	2676.93
4	Black	Win	Kawamura Norihiko	2627.58
5	Black	Draw	Okabe Hiroshi	2721.97
6	White	Win	Matsuura Hiroshi	2402.78
7	White	Win	Ishitani Shin-ichi	2396.01
8	White	Loss	Nakayama Tomoharu	2773.34
9	Black	Draw	Tamada Yoichi	2587.14
10 Kansai Championship final match
Date	2015-03-15		Rating	2812.18
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2525.08
2	White	Win	Iio Yoshihiro	2525.08
52 Meijinsen Match
Date	2015-01-10		Rating	2821.57
Round	Color	Result	Opponent
1	Black	Win	Nakamura Shigeru	2901.72
2	Black	Draw	Nakamura Shigeru	2901.72
3	White	Draw	Nakamura Shigeru	2901.72
4	Black	Draw	Nakamura Shigeru	2901.72
5	White	Loss	Nakamura Shigeru	2901.72
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2826.77
Round	Color	Result	Opponent
S1	Black	Loss	Kawamura Norihiko	2656.57
S2	White	Win	Fukui Nobuhiro	2613.30
S3	Black	Win	Miyagawa Junzo	2233.09
S4	Black	Win	Iio Yoshihiro	2518.41
S5	White	Win	Okabe Hiroshi	2749.07
52 Meijinsen Tournament
Date	2014-09-15		Rating	2830.98
Round	Color	Result	Opponent
1	Black	Win	Matsuura Hiroshi	2355.70
2	White	Win	Sato Kiyotomi	2488.44
3	Black	Win	Iio Yoshihiro	2514.58
4	White	Win	Fukui Nobuhiro	2621.72
5	Black	Win	Okabe Hiroshi	2752.53
6	White	Draw	Nakayama Tomoharu	2723.93
7	Black	Win	Hasegawa Kazuto	2659.06
8	Black	Draw	Tamada Yoichi	2568.82
9	Black	Win	Kashihara Akihiko	2348.15
Team World Championship 2014
Date	2014-05-03		Rating	2829.26
Round	Color	Result	Opponent
1	Black	Draw	Kamiya Shunsuke	2608.54
2	Black	Loss	Lin Huang-Yu	2814.98
3	Black	Win	Soosõrv Ants	2747.87
4	White	Win	Nikonov Konstantin	2726.03
5	White	Win	Huang Yen-Hua	2375.21
6	Black	Win	Mitsumori Masao	2340.41
7	White	Loss	Lin Huang-Yu	2814.98
9	White	Win	Nikonov Konstantin	2726.03
10	Black	Win	Chang Chia-Cheng	2179.59
9th Kansai Championship final match
Date	2014-04-06		Rating	2829.15
Round	Color	Result	Opponent
1	Black	Draw	Iio Yoshihiro	2550.09
2	Black	Loss	Iio Yoshihiro	2550.09
3	White	Win	Iio Yoshihiro	2550.09
4	White	Win	Iio Yoshihiro	2550.09
9th All Japan Championship
Date	2014-01-26		Rating	2835.34
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2294.17
2	Black	Draw	Iio Yoshihiro	2552.11
3	Black	Win	Tamura Kazumasa	2525.43
4	Black	Draw	Okabe Hiroshi	2763.68
5	Black	Win	Ono Takayuki	2378.50
6	White	Win	Fukui Nobuhiro	2613.69
51 Meijinsen Match R3 R4
Date	2013-12-22		Rating	2838.30
Round	Color	Result	Opponent
3	White	Draw	Nakamura Shigeru	2895.01
4	Black	Loss	Nakamura Shigeru	2895.01
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2843.42
Round	Color	Result	Opponent
S1	White	Win	Mano Yoshihisa	2318.02
S2	White	Draw	Okabe Hiroshi	2761.74
S3	Black	Win	Hasegawa Kazuto	2629.06
S4	Black	Win	Ishitani Shin-ichi	2428.80
S5	Black	Win	Fukui Nobuhiro	2603.08
51 Meijinsen Match R1 R2
Date	2013-10-20		Rating	2844.96
Round	Color	Result	Opponent
1	Black	Draw	Nakamura Shigeru	2889.89
2	White	Loss	Nakamura Shigeru	2889.89
51 Meijinsen Tournament
Date	2013-09-16		Rating	2848.85
Round	Color	Result	Opponent
1	Black	Win	Kawano Takahisa	2374.48
2	White	Win	Mano Yoshihisa	2319.26
3	White	Draw	Hasegawa Kazuto	2625.37
4	White	Win	Sato Kiyotomi	2474.66
5	White	Draw	Kamiya Shunsuke	2562.40
6	White	Win	Kawate Kozo	2195.26
7	White	Win	Okabe Hiroshi	2757.43
8	White	Win	Hata Masayuki	2260.93
9	Black	Win	Yamaguchi Yusui	2594.52
ex	White	Win	Okabe Hiroshi	2757.43
World Championship 2013, AT
Date	2013-08-14		Rating	2850.52
Round	Color	Result	Opponent
1	Black	Loss	Taimla Tunnet	2881.20
2	Black	Win	Epifanov Dmitry	2689.06
3	White	Win	Salnikov Pavel	2603.95
4	White	Win	Oll Aivo	2737.62
5	Black	Draw	Okabe Hiroshi	2752.88
6	White	Loss	Cao Dong	2748.89
7	White	Win	Wang Qingqing	2651.19
8	Black	Win	Chen Ko-Han	2685.98
9	Black	Win	Lan Zhiren	2638.62
10	White	Draw	Hõbemägi Martin	2589.03
11	Black	Win	Sushkov Vladimir	2825.72
8th Kansai Championship final match
Date	2013-05-12		Rating	2850.26
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2612.66
2	White	Win	Hasegawa Kazuto	2612.66
8th All Japan Championship
Date	2013-03-24		Rating	2847.92
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2291.77
2	Black	Win	Nagao Noriaki	2391.58
3	Black	Win	Kudomi Takahiro	2422.99
4	White	Draw	Nakamura Shigeru	2870.93
5	Black	Win	Ishitani Shin-ichi	2378.79
6	Black	Win	Okabe Hiroshi	2735.44
ex	Black	Win	Nakamura Shigeru	2870.93
50 Meijinsen Match R5
Date	2013-01-27		Rating	2838.03
Round	Color	Result	Opponent
5	Black	Loss	Nakamura Shigeru	2879.86
50 Meijinsen Match R3,R4
Date	2012-12-23		Rating	2833.55
Round	Color	Result	Opponent
3	White	Draw	Nakamura Shigeru	2882.18
4	White	Loss	Nakamura Shigeru	2882.18
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2829.87
Round	Color	Result	Opponent
S1	Black	Win	Fukui Nobuhiro	2557.69
S2	White	Win	Ono Takayuki	2427.74
S3	White	Win	Kudomi Takahiro	2423.93
S4	White	Draw	Hasegawa Kazuto	2596.51
S5	White	Win	Okabe Hiroshi	2716.66
50 Meijinsen Match R1,R2
Date	2012-10-21		Rating	2827.10
Round	Color	Result	Opponent
1	Black	Win	Nakamura Shigeru	2881.95
2	Black	Draw	Nakamura Shigeru	2881.95
Team World Championship 2012
Date	2012-05-06		Rating	2792.66
Round	Color	Result	Opponent
1	Black	Loss	Cao Dong	2693.01
3	Black	Loss	Sushkov Vladimir	2783.16
5	White	Draw	Taimla Tunnet	2852.16
6	Black	Loss	Yang Yanxi	2696.46
7	White	Win	Lan Zhiren	2575.41
8	White	Win	Cao Dong	2693.01
9	White	Loss	Yang Yanxi	2696.46
10	White	Loss	Lan Zhiren	2575.41
7th Kansai Championship final match
Date	2012-04-01		Rating	2795.33
Round	Color	Result	Opponent
1	Black	Win	Kise Katsumi	2552.82
2	Black	Win	Kise Katsumi	2552.82
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2796.01
Round	Color	Result	Opponent
S1	White	Win	Isobe Taizan	2423.95
S2	Black	Win	Mitsumori Masao	2369.72
S3	Black	Win	Nakamura Shigeru	2881.71
S4	White	Win	Ishitani Shin-ichi	2375.73
S5	Black	Win	Kobayashi Koichi	2219.81
12 Kanto Renju Emperor Tournament final match
Date	2012-02-12		Rating	2794.04
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2880.84
2	Black	Draw	Nakamura Shigeru	2880.84
3	White	Draw	Nakamura Shigeru	2880.84
7th All Japan Championship
Date	2012-01-29		Rating	2793.27
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2490.19
2	White	Win	Kudomi Takahiro	2428.36
3	White	Win	Isobe Taizan	2424.67
4	White	Loss	Nakamura Shigeru	2880.20
5	Black	Win	Mitsumori Masao	2372.82
6	Black	Win	Okabe Hiroshi	2701.05
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2791.81
Round	Color	Result	Opponent
1	Black	Draw	Nakamura Shigeru	2878.25
2	Black	Win	Nakayama Tomoharu	2603.53
3	White	Win	Kamiya Shunsuke	2459.32
4	Black	Win	Mitsumori Masao	2372.08
5	White	Win	Okabe Hiroshi	2702.61
49 Meijinsen Match R3,R4
Date	2011-12-18		Rating	2785.91
Round	Color	Result	Opponent
3	Black	Draw	Yamaguchi Yusui	2655.92
4	Black	Win	Yamaguchi Yusui	2655.92
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2777.98
Round	Color	Result	Opponent
S1	White	Win	Okumura Toyohiko	2325.07
S2	White	Win	Sakamoto Suzan	2359.15
S3	Black	Win	Ishitani Shin-ichi	2395.53
S4	White	Loss	Okabe Hiroshi	2709.31
S5	White	Win	Hasegawa Kazuto	2558.10
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2773.51
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2440.55
2	White	Win	Ishitani Shin-ichi	2395.79
3	White	Win	Kamiya Shunsuke	2444.36
4	White	Win	Nakayama Tomoharu	2591.18
49 Meijinsen Match R1,R2
Date	2011-10-16		Rating	2771.54
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2656.82
2	Black	Win	Yamaguchi Yusui	2656.82
World Championship 2011, AT
Date	2011-08-10		Rating	2755.06
Round	Color	Result	Opponent
1	Black	Loss	Andersson Tord	2441.52
2	Black	Loss	Huang Jin-xian	2617.34
3	Black	Loss	Sushkov Vladimir	2778.70
4	White	Draw	Okabe Hiroshi	2707.70
5	Black	Draw	Lin Huang-Yu	2786.24
6	White	Win	Artemyev Sergey	2605.20
7	White	Win	Hou I-Cheng	2504.71
8	Black	Win	Dai Xiaohan	2701.80
9	White	Win	Oll Aivo	2704.22
10	Black	Draw	Cao Dong	2700.37
11	Black	Draw	Taimla Tunnet	2803.81
28th Kanto Championship
Date	2011-05-22		Rating	2741.64
Round	Color	Result	Opponent
1	Black	Draw	Kato Yasuhiro	2067.57
2	Black	Draw	Kamiya Shunsuke	2418.21
3	Black	Loss	Fukui Nobuhiro	2433.28
4	Black	Win	Iwano Fumio	2133.93
5	Black	Win	Tamada Yoichi	2509.84
6th All Japan Championship
Date	2011-03-27		Rating	2741.35
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2220.73
2	White	Loss	Tamada Yoichi	2517.28
3	Black	Win	Koiso Shigemasa	2166.75
4	Black	Win	Mano Yoshihisa	2278.28
5	Black	Win	Sato Kiyotomi	2402.60
6	Black	Win	Okabe Hiroshi	2702.14
6th Kansai Championship final match
Date	2011-03-20		Rating	2741.37
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2513.93
2	Black	Win	Iio Yoshihiro	2513.93
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2739.17
Round	Color	Result	Opponent
S1	White	Win	Isobe Taizan	2410.41
S2	Black	Win	Mitsumori Masao	2330.73
S3	Black	Win	Nakamura Shigeru	2859.69
S4	Black	Win	Ono Takayuki	2395.38
S5	White	Win	Ishitani Shin-ichi	2394.02
6th Kansai Championship 3rd round
Date	2011-01-09		Rating	2735.60
Round	Color	Result	Opponent
1	Black	Win	Hata Masayuki	2188.94
2	White	Win	Miyagawa Junzo	2226.42
3	White	Win	Kubo Izumi	2108.21
48 Meijinsen Match R3,R4,R5
Date	2010-12-26		Rating	2733.03
Round	Color	Result	Opponent
3	White	Win	Hasegawa Kazuto	2621.17
4	Black	Draw	Hasegawa Kazuto	2621.17
5	Black	Win	Hasegawa Kazuto	2621.17
42 Kyoto Classified Tournament
Date	2010-11-14		Rating	2722.85
Round	Color	Result	Opponent
S1	Black	Win	Miyoshi Takeo	2129.05
S2	Black	Win	Okumura Toyohiko	2335.08
S3	Black	Draw	Hasegawa Kazuto	2634.05
S4	Black	Win	Kudomi Takahiro	2414.90
S5	Black	Win	Okabe Hiroshi	2698.22
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2718.50
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2112.70
2	White	Win	Kudomi Takahiro	2414.24
3	White	Win	Isobe Taizan	2407.13
4	White	Draw	Okabe Hiroshi	2698.45
48 Meijinsen Match R1,R2
Date	2010-10-17		Rating	2713.70
Round	Color	Result	Opponent
1	White	Win	Hasegawa Kazuto	2642.41
2	Black	Loss	Hasegawa Kazuto	2642.41
48th Meijinsen Tournament
Date	2010-09-20		Rating	2705.05
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2393.12
2	Black	Win	Koiso Shigemasa	2175.56
3	White	Win	Okabe Hiroshi	2698.25
4	Black	Draw	Kawano Takahisa	2323.41
5	White	Loss	Sakamoto Suzan	2353.24
6	Black	Draw	Tamada Yoichi	2500.10
7	Black	Win	Matsuura Hiroshi	2393.79
8	Black	Win	Yamaguchi Yusui	2593.47
9	Black	Win	Iio Yoshihiro	2532.13
27th Kanto Championship
Date	2010-05-23		Rating	2668.09
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2192.12
2	Black	Win	Yamaguchi Yusui	2586.04
3	Black	Win	Kawamura Norihiko	2587.79
4	Black	Loss	Nakamura Shigeru	2859.98
5	White	Loss	Okabe Hiroshi	2705.00
Team World Championship 2010
Date	2010-05-05		Rating	2662.28
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2858.22
2	White	Loss	Li Yi	2688.51
3	White	Win	Sushkov Vladimir	2770.27
4	White	Loss	Taimla Tunnet	2821.07
6	White	Loss	Lin Shu-Hsuan	2590.62
7	Black	Win	Piddubny Konstantin	2302.29
8	Black	Win	Piddubny Konstantin	2302.29
9	White	Win	Väljataga Paul	2422.07
10	White	Draw	Sushkov Vladimir	2770.27
5th Kansai Championship final match
Date	2010-03-28		Rating	2651.57
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2533.95
2	Black	Loss	Iio Yoshihiro	2533.95
5th All Japan Championship
Date	2010-03-21		Rating	2650.63
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2085.84
2	White	Win	Tamada Yoichi	2450.45
3	White	Win	Fukui Nobuhiro	2315.98
4	Black	Loss	Ishitani Shin-ichi	2399.68
5	White	Win	Tamura Kazumasa	2515.05
6	White	Win	Nagao Noriaki	2374.71
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2631.70
Round	Color	Result	Opponent
1	Black	Win	Okumura Toyohiko	2332.17
2	White	Win	Kubo Izumi	2116.57
3	White	Loss	Hasegawa Kazuto	2712.82
4	White	Win	Okabe Hiroshi	2674.32
5	Black	Draw	Ishitani Shin-ichi	2371.18
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2631.55
Round	Color	Result	Opponent
S1	Black	Win	Sakamoto Suzan	2324.25
S2	Black	Loss	Miyoshi Takeo	2158.14
S3	Black	Win	Matsuo Toshiko	1982.96
S4	Black	Win	Mano Yoshihisa	2322.24
S5	Black	Win	Tamura Kazumasa	2510.72
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2627.44
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2155.13
2	Black	Win	Tanji Hiroki	2054.61
3	White	Loss	Okabe Hiroshi	2674.08
4	Black	Loss	Tamada Yoichi	2395.41
47th Meijinsen tournament
Date	2009-09-22		Rating	2627.53
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2367.66
2	White	Win	Sakamoto Suzan	2313.98
3	Black	Win	Kataoka Mitsuaki	2259.91
4	Black	Draw	Ishitani Shin-ichi	2370.59
5	Black	Win	Iio Yoshihiro	2517.21
6	Black	Loss	Kawamura Norihiko	2634.81
7	White	Draw	Okabe Hiroshi	2673.81
8	Black	Win	Yamaguchi Yusui	2576.78
9	White	Draw	Tamura Kazumasa	2508.56
World Championship 2009, BT
Date	2009-08-13		Rating	2626.50
Round	Color	Result	Opponent
1	White	Win	Golosov Viktor	2432.87
2	Black	Win	Lents Johann	2491.46
3	White	Win	Tamura Kazumasa	2505.66
4	Black	Win	Yu Tien-Lung	2135.04
5	Black	Loss	Pajuste Renee	2417.88
6	White	Win	Lin Huang-Yu	2607.83
7	White	Draw	Yin Licheng	2501.53
8	White	Win	Nowak Paweł	2432.94
9	White	Loss	Tarannikov Yuriy	2720.58
World Championship 2009, QT
Date	2009-08-05		Rating	2625.97
Round	Color	Result	Opponent
1	White	Win	Yao Jinrui	2341.67
2	White	Win	Savrasova Yulia	2660.91
3	Black	Draw	Cao Dong	2708.77
4	White	Draw	Lu Wei-Yuan	2486.06
5	White	Win	Nowak Paweł	2433.13
6	White	Loss	Chen Ko-Han	2556.42
7	White	Draw	Nykl Ondřej	2551.27
47th Meijinsen Qualification Kansai area 2nd round
Date	2009-06-21		Rating	2622.10
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2117.50
2	Black	Win	Hata Masayuki	2183.98
3	Black	Win	Sakamoto Suzan	2308.87
26th Kanto Championship
Date	2009-05-17		Rating	2618.04
Round	Color	Result	Opponent
1	Black	Win	Tanji Hiroki	2039.05
2	Black	Win	Mitsumori Masao	2346.29
3	Black	Loss	Isobe Taizan	2408.63
4	White	Win	Shimoyama Takuma	2239.27
5	Black	Win	Kawamura Norihiko	2643.20
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2616.30
Round	Color	Result	Opponent
1	Black	Draw	Iio Yoshihiro	2492.01
2	White	Loss	Li Yi	2642.24
3	Black	Loss	Gu Wei	2518.56
4	Black	Win	Xu Bin	2198.38
5	Black	Win	Mitsumori Masao	2346.69
6	White	Win	Isobe Taizan	2407.87
7	Black	Win	Yu Manjiang	2506.65
4th All Japan Championship
Date	2009-03-21		Rating	2613.03
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2118.91
2	Black	Win	Miyoshi Takeo	2212.56
3	White	Draw	Tamura Kazumasa	2513.52
4	Black	Draw	Okabe Hiroshi	2671.62
5	Black	Win	Isobe Taizan	2406.62
6	Black	Draw	Nakamura Shigeru	2859.72
4th Kansai Championship, final match
Date	2009-03-15		Rating	2612.15
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2720.75
2	Black	Win	Hasegawa Kazuto	2720.75
4 Kansai Championship 3rd round
Date	2009-02-15		Rating	2604.01
Round	Color	Result	Opponent
1	Black	Win	Takashima Junya	2528.79
2	White	Win	Iio Yoshihiro	2487.74
3	Black	Win	Tamura Kazumasa	2505.96
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2592.47
Round	Color	Result	Opponent
S1	Black	Win	Mitsumori Masao	2337.72
S2	Black	Draw	Yamaguchi Yusui	2573.61
S3	White	Loss	Ishitani Shin-ichi	2398.26
S4	Black	Loss	Okabe Hiroshi	2676.84
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2566.94
Round	Color	Result	Opponent
1	White	Win	Watanabe Yoko	2064.24
2	White	Loss	Nakayama Tomoharu	2287.23
3	White	Loss	Tamada Yoichi	2269.54
4	White	Win	Fujikawa Masaki	2085.82
46th Meijinsen Tournament
Date	2008-09-15		Rating	2561.62
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2583.70
2	White	Loss	Iio Yoshihiro	2509.09
3	Black	Win	Kataoka Mitsuaki	2252.19
4	White	Win	Sato Kiyotomi	2444.59
5	White	Loss	Okabe Hiroshi	2692.31
6	White	Draw	Ishitani Shin-ichi	2397.15
7	White	Win	Hata Masayuki	2261.27
8	White	Loss	Kawamura Norihiko	2663.72
9	White	Win	Matsuura Hiroshi	2328.91
3rd Kansai Championship final match
Date	2008-03-16		Rating	2560.28
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2764.68
2	White	Loss	Hasegawa Kazuto	2764.68
3rd Kansai Championship 3rd round
Date	2008-01-13		Rating	2563.12
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2414.90
2	White	Win	Takagawa Teiji	2242.55
3	Black	Win	Iio Yoshihiro	2531.37
39th Kyoto Classified - Special Class
Date	2007-11-11		Rating	2559.73
Round	Color	Result	Opponent
1	Black	Draw	Tamura Kazumasa	2410.58
2	Black	Win	Kudomi Takahiro	2340.53
3	Black	Win	Miyagawa Junzo	2266.47
4	Black	Loss	Okabe Hiroshi	2654.31
5	White	Loss	Hasegawa Kazuto	2768.92
3 Kansai Championship 2nd round
Date	2007-10-21		Rating	2559.59
Round	Color	Result	Opponent
1	White	Win	Ozawa Tetsushi	2030.37
2	White	Win	Koiso Shigemasa	2173.54
3	Black	Win	Tamura Kazumasa	2410.01
4	White	Win	Takagawa Teiji	2252.86
The 45th Meijin-sen Tournament
Date	2007-09-17		Rating	2557.14
Round	Color	Result	Opponent
1	Black	Win	Sato Kiyotomi	2400.14
2	White	Loss	Yamaguchi Yusui	2654.65
3	Black	Win	Matsuura Hiroshi	2302.78
4	White	Win	Kawamura Norihiko	2632.83
5	White	Loss	Isobe Taizan	2437.17
6	White	Win	Miyoshi Takeo	2303.93
7	Black	Win	Okabe Hiroshi	2642.46
8	Black	Draw	Iio Yoshihiro	2539.02
World Championship 2007, BT
Date	2007-08-15		Rating	2551.70
Round	Color	Result	Opponent
1	Black	Win	Qiu Yunfei	2496.18
2	White	Win	Serdyukov Egor	2499.54
3	White	Draw	Lu Wei-Yuan	2453.06
4	White	Win	Nokhrin Oleg	2406.30
5	White	Win	Eriksson Marcus	2306.44
6	White	Loss	Lin Huang-Yu	2525.61
7	White	Win	Karasyov Maxim	2499.13
8	White	Win	Sorokina Oksana	2487.16
9	Black	Win	Ishitani Shin-ichi	2388.46
World Championship 2007, QT
Date	2007-08-08		Rating	2549.16
Round	Color	Result	Opponent
1	White	Loss	Qiu Yunfei	2497.38
2	White	Win	Eriksson Bjorn	2345.47
3	White	Win	Miyagawa Junzo	2273.43
4	White	Loss	Okabe Hiroshi	2632.94
5	White	Draw	Dvoeglazov Vladimir	2373.25
6	White	Loss	Savrasova Yulia	2697.14
7	Black	Win	Lu Wei-Yuan	2452.22
45th Meijinsen Qualification Kansai area final round
Date	2007-06-17		Rating	2534.43
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2298.68
2	Black	Win	Hata Masayuki	2229.65
3	White	Loss	Iio Yoshihiro	2533.86
45th Meijinsen Qualification Kansai area - 1st round
Date	2007-05-13		Rating	2525.10
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2272.63
2	Black	Win	Sakamoto Suzan	2299.92
3	White	Win	Takagawa Teiji	2264.09
4	White	Win	Ozawa Tetsushi	2020.26
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2508.56
Round	Color	Result	Opponent
1	White	Loss	Tanno Yoshitaka	2130.26
2	White	Win	Kato Yasuhiro	1964.75
3	Black	Win	Mitsumori Masao	2267.44
4	White	Win	Nagao Noriaki	2236.08
5	Black	Win	Miyagawa Junzo	2275.99
6	White	Loss	Yamaguchi Yusui	2650.22
2nd Kansai Championship 3rd round
Date	2007-01-14		Rating	2489.47
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2521.99
2	White	Loss	Takashima Junya	2511.14
3	White	Win	Sagara Takashi	2500.85
38th Kyoto Classified - Special class
Date	2006-11-12		Rating	2475.12
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2205.17
2	Black	Win	Hasegawa Kazuto	2739.71
3	White	Loss	Takashima Junya	2508.62
4	Black	Win	Miyagawa Sou	2176.49
5	Black	Draw	Okabe Hiroshi	2611.37
2nd Kansai Championship 2nd round
Date	2006-10-15		Rating	2466.00
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2513.95
2	Black	Win	Sakamoto Suzan	2293.19
3	Black	Loss	Sagara Takashi	2506.57
4	Black	Win	Koiso Shigemasa	2174.14
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2455.55
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2443.00
2	White	Win	Matsuura Hiroshi	2301.28
3	White	Loss	Fujii Naoki	2138.02
4	Black	Draw	Kawamura Norihiko	2666.74
5	Black	Loss	Yamaguchi Yusui	2639.39
6	White	Loss	Iio Yoshihiro	2513.67
7	White	Win	Nagao Noriaki	2243.72
8	White	Draw	Okabe Hiroshi	2602.87
9	Black	Win	Ishitani Shin-ichi	2363.69
Asian Championship 2006
Date	2006-08-15		Rating	2445.00
Round	Color	Result	Opponent
1	White	Draw	Lee Jo-Sub	2331.36
2	Black	Win	Kim Su-chan	2132.03
3	White	Loss	Iio Yoshihiro	2512.83
4	Black	Win	Kwon Jae-Woo	1894.07
5	Black	Loss	Park Eol	2256.73
6	Black	Win	Kashihara Akihiko	2297.65
7	White	Win	Pu Hsun-Fang	1962.62
8	Black	Win	Kim Chang-Hoon	2545.56
Youth World Championship 2006
Date	2006-08-08		Rating	2442.93
Round	Color	Result	Opponent
a1	Black	Loss	Zhang Cheng	2455.18
a2	Black	Win	Maruta Hiroki	1997.78
a3	Black	Win	Blomstedt Torbjorn	2125.96
a4	Black	Loss	Oll Aivo	2662.15
a5	White	Win	Tanizaki Ryusuke	2124.87
a6	Black	Win	Lin Shan	2157.09
a7	White	Loss	Wu Hao	2601.61
a8	White	Loss	Serdyukov Egor	2419.53
Meijin-sen Qual, Kansai-Hokuriku area final round
Date	2006-06-18		Rating	2433.57
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2509.12
2	Black	Win	Hata Masayuki	2226.34
3	White	Win	Takashima Junya	2500.58
Team World Championship 2006
Date	2006-05-05		Rating	2423.36
Round	Color	Result	Opponent
1	Black	Draw	Haikonen Kari	2182.64
2	White	Loss	Eriksson Bjorn	2353.59
3	White	Loss	Soosõrv Ants	2669.67
4	Black	Loss	Karasyov Maxim	2577.80
5	White	Loss	Zhu Jianfeng	2504.63
6	Black	Loss	Artemyev Sergey	2623.70
7	Black	Win	Oblikas Mikk	2262.31
F1	Black	Win	Eriksson Bjorn	2353.59
F2	Black	Loss	Gaulitz Joachim	2513.55
1st All Japan Championship
Date	2006-03-26		Rating	2421.63
Round	Color	Result	Opponent
1	Black	Win	Nagao Noriaki	2222.35
2	White	Win	Kato Yasuhiro	2055.42
3	White	Loss	Yamaguchi Yusui	2636.96
4	White	Win	Sato Kiyotomi	2411.32
5	Black	Win	Mitsumori Masao	2261.86
6	Black	Loss	Takashima Junya	2509.85
9th Mikami Cup - A Class
Date	2006-01-29		Rating	2415.99
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2093.13
2	White	Win	Watanabe Tatsuya	2134.51
3	Black	Win	Itami Yoshiyuki	2169.97
4	White	Win	Ono Takayuki	2304.67
5	Black	Win	Kato Yasuhiro	2049.32
30th Seiun-sen Tournament. Hamamatsu area
Date	2006-01-15		Rating	2413.10
Round	Color	Result	Opponent
	Black	Win	Ozawa Tetsushi	2017.04
	Black	Loss	Koide Morihiro	2089.19
	Black	Win	Yamamoto Hukue	1631.64
37th Kyoto Classified - group 1
Date	2005-11-13		Rating	2405.44
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2296.96
2	White	Win	Hayashi Koji	2006.23
3	Black	Win	Koyama Jun	2304.94
4	White	Draw	Itami Yoshiyuki	2180.46
5	Black	Win	Shinoda Kiyoshi	2347.26
6	White	Win	Takehara Kenji	1793.26
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2392.89
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2590.30
2	White	Draw	Ishitani Shin-ichi	2399.34
3	White	Loss	Yamaguchi Yusui	2590.47
4	White	Win	Takashima Junya	2511.01
5	White	Win	Sato Kiyotomi	2393.27
6	White	Win	Kawate Kozo	2174.13
7	White	Loss	Hasegawa Kazuto	2703.71
8	White	Loss	Matsuura Hiroshi	2350.38
9	Black	Win	Tanaka Koichi	2334.35
World Championship 2005, BT
Date	2005-08-05		Rating	2379.51
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2581.24
2	White	Win	Omata Mitsuo	1713.06
3	Black	Loss	Huang Sheng-Hsun	2109.14
4	White	Loss	Eriksson Marcus	2266.68
5	Black	Win	Saranchin Aleksandr	2025.38
6	White	Win	Timmermann Alvar	2119.26
7	White	Loss	Jonsson Peter	2370.76
8	White	Win	Lillemets Rauni	2142.43
9	Black	Win	Miyagawa Junzo	2249.43
World Championship 2005, QT
Date	2005-07-31		Rating	2378.80
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2466.87
2	White	Win	Wang Chih-Kung	2206.97
3	White	Loss	Andersson Tord	2387.33
4	White	Loss	Lents Johann	2535.31
5	White	Win	Poghosyan Albert	2377.20
6	Black	Loss	Kozhin Mikhail	2551.21
7	White	Win	Yamaguchi Yusui	2579.37
1st Kansai Championship 1st round
Date	2005-07-10		Rating	2375.55
Round	Color	Result	Opponent
1	White	Win	Masutani Hiroshi	1835.82
2	White	Loss	Ozawa Tetsushi	2037.06
3	Black	Loss	Tsujibayashi Taro	2048.47
4	White	Win	Ishibashi Hiroaki	1761.50
5	White	Win	Maki Tatsuya	1590.46
43rd Meijinsen Qualification: Kansai area - 2nd round
Date	2005-06-19		Rating	2376.18
Round	Color	Result	Opponent
	Black	Loss	Takashima Junya	2493.56
	Black	Win	Tamura Kazumasa	2356.59
	Black	Win	Matsui Tsunehiro	2165.62
43rd Meijinsen Qualification: Kansai area 1st round
Date	2005-05-08		Rating	2375.74
Round	Color	Result	Opponent
1	White	Win	Adachi Yasuhiro	2045.89
2	White	Win	Koiso Shigemasa	2223.99
3	White	Win	Yasumoto Yoshinobu	2035.11
4	White	Win	Takashima Junya	2486.62
Japan WC Qualification tournament
Date	2005-04-03		Rating	2370.70
Round	Color	Result	Opponent
1	White	Loss	Miyagawa Junzo	2254.23
2	Black	Win	Arita Nobuyoshi	2302.78
3	White	Win	Tamura Kazumasa	2345.69
4	Black	Win	Kato Yasuhiro	2025.63
5	Black	Loss	Okabe Hiroshi	2583.64
6	White	Draw	Miyoshi Takeo	2273.83
38th Touryumon-Sen Tournament
Date	2005-03-20		Rating	2368.73
Round	Color	Result	Opponent
1	White	Win	Tsujibayashi Taro	2042.36
2	White	Win	Miyagawa Sou	2129.80
3	Black	Loss	Takashima Junya	2476.61
4	Black	Win	Ozawa Tetsushi	2037.13
5	White	Win	Sugiyama Taro	1919.33
6	White	Loss	Shinoda Kiyoshi	2319.33