Oosumi Yuuki (大角友希)

Place: Moriyama, Japan

Birth: 1986-02-18

Rating: 2667.84, Std: 252.26, Rank: -

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

Top rating: 2847.67 (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	2667.84
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2528.28
2	White	Loss	Iio Yoshihiro	2528.28
3	Black	Loss	Iio Yoshihiro	2528.28
12 Kansai Championship final match
Date	2017-03-19		Rating	2711.20
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2623.15
2	White	Loss	Hasegawa Kazuto	2623.15
3	Black	Win	Hasegawa Kazuto	2623.15
11 Kansai Championship Final match
Date	2016-04-03		Rating	2747.92
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2558.38
2	White	Win	Iio Yoshihiro	2558.38
3	Black	Win	Iio Yoshihiro	2558.38
53 Meijinsen Tournament
Date	2015-09-22		Rating	2773.56
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2532.03
2	White	Loss	Koyama Jun	2635.86
3	White	Win	Hasegawa Kazuto	2672.90
4	Black	Win	Kawamura Norihiko	2623.10
5	Black	Draw	Okabe Hiroshi	2718.23
6	White	Win	Matsuura Hiroshi	2399.42
7	White	Win	Ishitani Shin-ichi	2392.71
8	White	Loss	Nakayama Tomoharu	2769.83
9	Black	Draw	Tamada Yoichi	2583.22
10 Kansai Championship final match
Date	2015-03-15		Rating	2808.65
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2521.48
2	White	Win	Iio Yoshihiro	2521.48
52 Meijinsen Match
Date	2015-01-10		Rating	2818.12
Round	Color	Result	Opponent
1	Black	Win	Nakamura Shigeru	2898.31
2	Black	Draw	Nakamura Shigeru	2898.31
3	White	Draw	Nakamura Shigeru	2898.31
4	Black	Draw	Nakamura Shigeru	2898.31
5	White	Loss	Nakamura Shigeru	2898.31
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2823.39
Round	Color	Result	Opponent
S1	Black	Loss	Kawamura Norihiko	2652.89
S2	White	Win	Fukui Nobuhiro	2608.56
S3	Black	Win	Miyagawa Junzo	2230.05
S4	Black	Win	Iio Yoshihiro	2514.97
S5	White	Win	Okabe Hiroshi	2745.85
52 Meijinsen Tournament
Date	2014-09-15		Rating	2827.67
Round	Color	Result	Opponent
1	Black	Win	Matsuura Hiroshi	2352.72
2	White	Win	Sato Kiyotomi	2485.01
3	Black	Win	Iio Yoshihiro	2511.22
4	White	Win	Fukui Nobuhiro	2617.32
5	Black	Win	Okabe Hiroshi	2749.41
6	White	Draw	Nakayama Tomoharu	2720.90
7	Black	Win	Hasegawa Kazuto	2655.61
8	Black	Draw	Tamada Yoichi	2565.29
9	Black	Win	Kashihara Akihiko	2344.79
Team World Championship 2014
Date	2014-05-03		Rating	2826.14
Round	Color	Result	Opponent
1	Black	Draw	Kamiya Shunsuke	2605.44
2	Black	Loss	Lin Huang-Yu	2811.24
3	Black	Win	Soosõrv Ants	2744.98
4	White	Win	Nikonov Konstantin	2723.47
5	White	Win	Huang Yen-Hua	2370.34
6	Black	Win	Mitsumori Masao	2337.20
7	White	Loss	Lin Huang-Yu	2811.24
9	White	Win	Nikonov Konstantin	2723.47
10	Black	Win	Chang Chia-Cheng	2175.95
9th Kansai Championship final match
Date	2014-04-06		Rating	2826.07
Round	Color	Result	Opponent
1	Black	Draw	Iio Yoshihiro	2546.96
2	Black	Loss	Iio Yoshihiro	2546.96
3	White	Win	Iio Yoshihiro	2546.96
4	White	Win	Iio Yoshihiro	2546.96
9th All Japan Championship
Date	2014-01-26		Rating	2832.36
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2291.14
2	Black	Draw	Iio Yoshihiro	2549.08
3	Black	Win	Tamura Kazumasa	2530.31
4	Black	Draw	Okabe Hiroshi	2761.02
5	Black	Win	Ono Takayuki	2375.77
6	White	Win	Fukui Nobuhiro	2610.38
51 Meijinsen Match R3 R4
Date	2013-12-22		Rating	2835.35
Round	Color	Result	Opponent
3	White	Draw	Nakamura Shigeru	2892.20
4	Black	Loss	Nakamura Shigeru	2892.20
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2840.51
Round	Color	Result	Opponent
S1	White	Win	Mano Yoshihisa	2315.11
S2	White	Draw	Okabe Hiroshi	2759.09
S3	Black	Win	Hasegawa Kazuto	2626.08
S4	Black	Win	Ishitani Shin-ichi	2426.12
S5	Black	Win	Fukui Nobuhiro	2599.96
51 Meijinsen Match R1 R2
Date	2013-10-20		Rating	2842.06
Round	Color	Result	Opponent
1	Black	Draw	Nakamura Shigeru	2887.11
2	White	Loss	Nakamura Shigeru	2887.11
51 Meijinsen Tournament
Date	2013-09-16		Rating	2845.98
Round	Color	Result	Opponent
1	Black	Win	Kawano Takahisa	2371.33
2	White	Win	Mano Yoshihisa	2316.41
3	White	Draw	Hasegawa Kazuto	2622.47
4	White	Win	Sato Kiyotomi	2471.84
5	White	Draw	Kamiya Shunsuke	2559.62
6	White	Win	Kawate Kozo	2193.13
7	White	Win	Okabe Hiroshi	2754.76
8	White	Win	Hata Masayuki	2257.98
9	Black	Win	Yamaguchi Yusui	2592.03
ex	White	Win	Okabe Hiroshi	2754.76
World Championship 2013, AT
Date	2013-08-14		Rating	2847.67
Round	Color	Result	Opponent
1	Black	Loss	Taimla Tunnet	2878.34
2	Black	Win	Epifanov Dmitry	2686.50
3	White	Win	Salnikov Pavel	2601.55
4	White	Win	Oll Aivo	2735.06
5	Black	Draw	Okabe Hiroshi	2750.21
6	White	Loss	Cao Dong	2745.38
7	White	Win	Wang Qingqing	2648.31
8	Black	Win	Chen Ko-Han	2682.42
9	Black	Win	Lan Zhiren	2635.01
10	White	Draw	Hõbemägi Martin	2585.53
11	Black	Win	Sushkov Vladimir	2822.93
8th Kansai Championship final match
Date	2013-05-12		Rating	2847.48
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2609.91
2	White	Win	Hasegawa Kazuto	2609.91
8th All Japan Championship
Date	2013-03-24		Rating	2845.18
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2289.25
2	Black	Win	Nagao Noriaki	2388.72
3	Black	Win	Kudomi Takahiro	2419.58
4	White	Draw	Nakamura Shigeru	2868.27
5	Black	Win	Ishitani Shin-ichi	2376.24
6	Black	Win	Okabe Hiroshi	2732.82
ex	Black	Win	Nakamura Shigeru	2868.27
50 Meijinsen Match R5
Date	2013-01-27		Rating	2835.33
Round	Color	Result	Opponent
5	Black	Loss	Nakamura Shigeru	2877.23
50 Meijinsen Match R3,R4
Date	2012-12-23		Rating	2830.89
Round	Color	Result	Opponent
3	White	Draw	Nakamura Shigeru	2879.56
4	White	Loss	Nakamura Shigeru	2879.56
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2827.24
Round	Color	Result	Opponent
S1	Black	Win	Fukui Nobuhiro	2555.08
S2	White	Win	Ono Takayuki	2425.38
S3	White	Win	Kudomi Takahiro	2420.92
S4	White	Draw	Hasegawa Kazuto	2593.98
S5	White	Win	Okabe Hiroshi	2714.09
50 Meijinsen Match R1,R2
Date	2012-10-21		Rating	2824.48
Round	Color	Result	Opponent
1	Black	Win	Nakamura Shigeru	2879.36
2	Black	Draw	Nakamura Shigeru	2879.36
Team World Championship 2012
Date	2012-05-06		Rating	2790.16
Round	Color	Result	Opponent
1	Black	Loss	Cao Dong	2690.08
3	Black	Loss	Sushkov Vladimir	2780.54
5	White	Draw	Taimla Tunnet	2849.56
6	Black	Loss	Yang Yanxi	2693.41
7	White	Win	Lan Zhiren	2572.38
8	White	Win	Cao Dong	2690.08
9	White	Loss	Yang Yanxi	2693.41
10	White	Loss	Lan Zhiren	2572.38
7th Kansai Championship final match
Date	2012-04-01		Rating	2792.88
Round	Color	Result	Opponent
1	Black	Win	Kise Katsumi	2550.72
2	Black	Win	Kise Katsumi	2550.72
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2793.58
Round	Color	Result	Opponent
S1	White	Win	Isobe Taizan	2421.72
S2	Black	Win	Mitsumori Masao	2367.39
S3	Black	Win	Nakamura Shigeru	2879.27
S4	White	Win	Ishitani Shin-ichi	2373.47
S5	Black	Win	Kobayashi Koichi	2217.73
12 Kanto Renju Emperor Tournament final match
Date	2012-02-12		Rating	2791.64
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2878.42
2	Black	Draw	Nakamura Shigeru	2878.42
3	White	Draw	Nakamura Shigeru	2878.42
7th All Japan Championship
Date	2012-01-29		Rating	2790.88
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2487.88
2	White	Win	Kudomi Takahiro	2425.90
3	White	Win	Isobe Taizan	2422.47
4	White	Loss	Nakamura Shigeru	2877.80
5	Black	Win	Mitsumori Masao	2370.53
6	Black	Win	Okabe Hiroshi	2698.68
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2789.44
Round	Color	Result	Opponent
1	Black	Draw	Nakamura Shigeru	2875.85
2	Black	Win	Nakayama Tomoharu	2601.23
3	White	Win	Kamiya Shunsuke	2457.22
4	Black	Win	Mitsumori Masao	2369.80
5	White	Win	Okabe Hiroshi	2700.25
49 Meijinsen Match R3,R4
Date	2011-12-18		Rating	2783.57
Round	Color	Result	Opponent
3	Black	Draw	Yamaguchi Yusui	2653.71
4	Black	Win	Yamaguchi Yusui	2653.71
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2775.67
Round	Color	Result	Opponent
S1	White	Win	Okumura Toyohiko	2323.25
S2	White	Win	Sakamoto Suzan	2356.88
S3	Black	Win	Ishitani Shin-ichi	2393.37
S4	White	Loss	Okabe Hiroshi	2707.01
S5	White	Win	Hasegawa Kazuto	2555.85
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2771.23
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2438.29
2	White	Win	Ishitani Shin-ichi	2393.65
3	White	Win	Kamiya Shunsuke	2442.37
4	White	Win	Nakayama Tomoharu	2588.99
49 Meijinsen Match R1,R2
Date	2011-10-16		Rating	2769.27
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2654.65
2	Black	Win	Yamaguchi Yusui	2654.65
World Championship 2011, AT
Date	2011-08-10		Rating	2752.84
Round	Color	Result	Opponent
1	Black	Loss	Andersson Tord	2440.24
2	Black	Loss	Huang Jin-xian	2614.62
3	Black	Loss	Sushkov Vladimir	2776.32
4	White	Draw	Okabe Hiroshi	2705.48
5	Black	Draw	Lin Huang-Yu	2783.89
6	White	Win	Artemyev Sergey	2603.39
7	White	Win	Hou I-Cheng	2503.96
8	Black	Win	Dai Xiaohan	2699.32
9	White	Win	Oll Aivo	2702.08
10	Black	Draw	Cao Dong	2697.76
11	Black	Draw	Taimla Tunnet	2801.33
28th Kanto Championship
Date	2011-05-22		Rating	2739.50
Round	Color	Result	Opponent
1	Black	Draw	Kato Yasuhiro	2065.65
2	Black	Draw	Kamiya Shunsuke	2416.34
3	Black	Loss	Fukui Nobuhiro	2431.21
4	Black	Win	Iwano Fumio	2131.96
5	Black	Win	Tamada Yoichi	2507.75
6th All Japan Championship
Date	2011-03-27		Rating	2739.25
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2218.77
2	White	Loss	Tamada Yoichi	2515.25
3	Black	Win	Koiso Shigemasa	2164.65
4	Black	Win	Mano Yoshihisa	2276.25
5	Black	Win	Sato Kiyotomi	2400.52
6	Black	Win	Okabe Hiroshi	2700.02
6th Kansai Championship final match
Date	2011-03-20		Rating	2739.28
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2511.83
2	Black	Win	Iio Yoshihiro	2511.83
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2737.12
Round	Color	Result	Opponent
S1	White	Win	Isobe Taizan	2408.47
S2	Black	Win	Mitsumori Masao	2328.77
S3	Black	Win	Nakamura Shigeru	2857.54
S4	Black	Win	Ono Takayuki	2393.59
S5	White	Win	Ishitani Shin-ichi	2392.11
6th Kansai Championship 3rd round
Date	2011-01-09		Rating	2733.56
Round	Color	Result	Opponent
1	Black	Win	Hata Masayuki	2186.98
2	White	Win	Miyagawa Junzo	2224.53
3	White	Win	Kubo Izumi	2106.34
48 Meijinsen Match R3,R4,R5
Date	2010-12-26		Rating	2731.01
Round	Color	Result	Opponent
3	White	Win	Hasegawa Kazuto	2619.14
4	Black	Draw	Hasegawa Kazuto	2619.14
5	Black	Win	Hasegawa Kazuto	2619.14
42 Kyoto Classified Tournament
Date	2010-11-14		Rating	2720.86
Round	Color	Result	Opponent
S1	Black	Win	Miyoshi Takeo	2127.23
S2	Black	Win	Okumura Toyohiko	2333.35
S3	Black	Draw	Hasegawa Kazuto	2632.04
S4	Black	Win	Kudomi Takahiro	2412.95
S5	Black	Win	Okabe Hiroshi	2696.21
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2716.52
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2110.90
2	White	Win	Kudomi Takahiro	2412.31
3	White	Win	Isobe Taizan	2405.25
4	White	Draw	Okabe Hiroshi	2696.45
48 Meijinsen Match R1,R2
Date	2010-10-17		Rating	2711.73
Round	Color	Result	Opponent
1	White	Win	Hasegawa Kazuto	2640.43
2	Black	Loss	Hasegawa Kazuto	2640.43
48th Meijinsen Tournament
Date	2010-09-20		Rating	2703.10
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2391.32
2	Black	Win	Koiso Shigemasa	2173.61
3	White	Win	Okabe Hiroshi	2696.28
4	Black	Draw	Kawano Takahisa	2321.38
5	White	Loss	Sakamoto Suzan	2351.34
6	Black	Draw	Tamada Yoichi	2498.27
7	Black	Win	Matsuura Hiroshi	2391.90
8	Black	Win	Yamaguchi Yusui	2591.56
9	Black	Win	Iio Yoshihiro	2530.12
27th Kanto Championship
Date	2010-05-23		Rating	2666.24
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2190.44
2	Black	Win	Yamaguchi Yusui	2584.20
3	Black	Win	Kawamura Norihiko	2586.08
4	Black	Loss	Nakamura Shigeru	2857.95
5	White	Loss	Okabe Hiroshi	2703.12
Team World Championship 2010
Date	2010-05-05		Rating	2660.44
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2856.21
2	White	Loss	Li Yi	2686.11
3	White	Win	Sushkov Vladimir	2768.21
4	White	Loss	Taimla Tunnet	2818.34
6	White	Loss	Lin Shu-Hsuan	2588.06
7	Black	Win	Piddubny Konstantin	2301.07
8	Black	Win	Piddubny Konstantin	2301.07
9	White	Win	Väljataga Paul	2420.20
10	White	Draw	Sushkov Vladimir	2768.21
5th Kansai Championship final match
Date	2010-03-28		Rating	2649.76
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2532.01
2	Black	Loss	Iio Yoshihiro	2532.01
5th All Japan Championship
Date	2010-03-21		Rating	2648.83
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2084.22
2	White	Win	Tamada Yoichi	2448.83
3	White	Win	Fukui Nobuhiro	2314.22
4	Black	Loss	Ishitani Shin-ichi	2398.06
5	White	Win	Tamura Kazumasa	2513.63
6	White	Win	Nagao Noriaki	2372.99
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2630.04
Round	Color	Result	Opponent
1	Black	Win	Okumura Toyohiko	2330.56
2	White	Win	Kubo Izumi	2115.13
3	White	Loss	Hasegawa Kazuto	2711.03
4	White	Win	Okabe Hiroshi	2672.58
5	Black	Draw	Ishitani Shin-ichi	2369.68
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2629.89
Round	Color	Result	Opponent
S1	Black	Win	Sakamoto Suzan	2322.61
S2	Black	Loss	Miyoshi Takeo	2156.57
S3	Black	Win	Matsuo Toshiko	1981.48
S4	Black	Win	Mano Yoshihisa	2320.47
S5	Black	Win	Tamura Kazumasa	2509.18
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2625.81
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2153.63
2	Black	Win	Tanji Hiroki	2053.27
3	White	Loss	Okabe Hiroshi	2672.36
4	Black	Loss	Tamada Yoichi	2393.99
47th Meijinsen tournament
Date	2009-09-22		Rating	2625.92
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2365.99
2	White	Win	Sakamoto Suzan	2312.38
3	Black	Win	Kataoka Mitsuaki	2257.97
4	Black	Draw	Ishitani Shin-ichi	2369.14
5	Black	Win	Iio Yoshihiro	2515.25
6	Black	Loss	Kawamura Norihiko	2633.16
7	White	Draw	Okabe Hiroshi	2672.09
8	Black	Win	Yamaguchi Yusui	2575.01
9	White	Draw	Tamura Kazumasa	2506.99
World Championship 2009, BT
Date	2009-08-13		Rating	2624.93
Round	Color	Result	Opponent
1	White	Win	Golosov Viktor	2431.91
2	Black	Win	Lents Johann	2490.64
3	White	Win	Tamura Kazumasa	2504.08
4	Black	Win	Yu Tien-Lung	2133.21
5	Black	Loss	Pajuste Renee	2416.60
6	White	Win	Lin Huang-Yu	2606.66
7	White	Draw	Yin Licheng	2500.00
8	White	Win	Nowak Paweł	2438.04
9	White	Loss	Tarannikov Yuriy	2719.37
World Championship 2009, QT
Date	2009-08-05		Rating	2624.40
Round	Color	Result	Opponent
1	White	Win	Yao Jinrui	2340.36
2	White	Win	Savrasova Yulia	2659.58
3	Black	Draw	Cao Dong	2706.78
4	White	Draw	Lu Wei-Yuan	2484.47
5	White	Win	Nowak Paweł	2438.14
6	White	Loss	Chen Ko-Han	2554.73
7	White	Draw	Nykl Ondřej	2550.64
47th Meijinsen Qualification Kansai area 2nd round
Date	2009-06-21		Rating	2620.48
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2116.23
2	Black	Win	Hata Masayuki	2182.43
3	Black	Win	Sakamoto Suzan	2307.35
26th Kanto Championship
Date	2009-05-17		Rating	2616.39
Round	Color	Result	Opponent
1	Black	Win	Tanji Hiroki	2037.75
2	Black	Win	Mitsumori Masao	2344.74
3	Black	Loss	Isobe Taizan	2407.02
4	White	Win	Shimoyama Takuma	2237.80
5	Black	Win	Kawamura Norihiko	2641.59
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2614.63
Round	Color	Result	Opponent
1	Black	Draw	Iio Yoshihiro	2489.92
2	White	Loss	Li Yi	2640.06
3	Black	Loss	Gu Wei	2516.53
4	Black	Win	Xu Bin	2196.57
5	Black	Win	Mitsumori Masao	2345.14
6	White	Win	Isobe Taizan	2406.26
7	Black	Win	Yu Manjiang	2504.91
4th All Japan Championship
Date	2009-03-21		Rating	2611.33
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2117.57
2	Black	Win	Miyoshi Takeo	2211.14
3	White	Draw	Tamura Kazumasa	2511.72
4	Black	Draw	Okabe Hiroshi	2670.04
5	Black	Win	Isobe Taizan	2405.04
6	Black	Draw	Nakamura Shigeru	2857.97
4th Kansai Championship, final match
Date	2009-03-15		Rating	2610.45
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2719.06
2	Black	Win	Hasegawa Kazuto	2719.06
4 Kansai Championship 3rd round
Date	2009-02-15		Rating	2602.28
Round	Color	Result	Opponent
1	Black	Win	Takashima Junya	2514.65
2	White	Win	Iio Yoshihiro	2485.55
3	Black	Win	Tamura Kazumasa	2504.11
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2590.77
Round	Color	Result	Opponent
S1	Black	Win	Mitsumori Masao	2336.26
S2	Black	Draw	Yamaguchi Yusui	2571.81
S3	White	Loss	Ishitani Shin-ichi	2396.96
S4	Black	Loss	Okabe Hiroshi	2675.30
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2565.32
Round	Color	Result	Opponent
1	White	Win	Watanabe Yoko	2063.20
2	White	Loss	Nakayama Tomoharu	2285.72
3	White	Loss	Tamada Yoichi	2268.65
4	White	Win	Fujikawa Masaki	2084.55
46th Meijinsen Tournament
Date	2008-09-15		Rating	2560.04
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2581.84
2	White	Loss	Iio Yoshihiro	2507.02
3	Black	Win	Kataoka Mitsuaki	2250.51
4	White	Win	Sato Kiyotomi	2443.10
5	White	Loss	Okabe Hiroshi	2690.87
6	White	Draw	Ishitani Shin-ichi	2395.94
7	White	Win	Hata Masayuki	2259.87
8	White	Loss	Kawamura Norihiko	2662.19
9	White	Win	Matsuura Hiroshi	2327.43
3rd Kansai Championship final match
Date	2008-03-16		Rating	2558.87
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2763.13
2	White	Loss	Hasegawa Kazuto	2763.13
3rd Kansai Championship 3rd round
Date	2008-01-13		Rating	2561.77
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2413.50
2	White	Win	Takagawa Teiji	2241.35
3	Black	Win	Iio Yoshihiro	2529.43
39th Kyoto Classified - Special Class
Date	2007-11-11		Rating	2558.45
Round	Color	Result	Opponent
1	Black	Draw	Tamura Kazumasa	2409.27
2	Black	Win	Kudomi Takahiro	2339.37
3	Black	Win	Miyagawa Junzo	2265.87
4	Black	Loss	Okabe Hiroshi	2652.50
5	White	Loss	Hasegawa Kazuto	2767.42
3 Kansai Championship 2nd round
Date	2007-10-21		Rating	2558.33
Round	Color	Result	Opponent
1	White	Win	Ozawa Tetsushi	2029.38
2	White	Win	Koiso Shigemasa	2172.33
3	Black	Win	Tamura Kazumasa	2408.73
4	White	Win	Takagawa Teiji	2251.71
The 45th Meijin-sen Tournament
Date	2007-09-17		Rating	2555.92
Round	Color	Result	Opponent
1	Black	Win	Sato Kiyotomi	2398.85
2	White	Loss	Yamaguchi Yusui	2652.42
3	Black	Win	Matsuura Hiroshi	2301.50
4	White	Win	Kawamura Norihiko	2631.44
5	White	Loss	Isobe Taizan	2435.86
6	White	Win	Miyoshi Takeo	2302.82
7	Black	Win	Okabe Hiroshi	2640.54
8	Black	Draw	Iio Yoshihiro	2537.06
World Championship 2007, BT
Date	2007-08-15		Rating	2550.53
Round	Color	Result	Opponent
1	Black	Win	Qiu Yunfei	2494.89
2	White	Win	Serdyukov Egor	2499.97
3	White	Draw	Lu Wei-Yuan	2452.71
4	White	Win	Nokhrin Oleg	2406.14
5	White	Win	Eriksson Marcus	2306.11
6	White	Loss	Lin Huang-Yu	2524.73
7	White	Win	Karasyov Maxim	2499.04
8	White	Win	Sorokina Oksana	2486.87
9	Black	Win	Ishitani Shin-ichi	2387.86
World Championship 2007, QT
Date	2007-08-08		Rating	2547.99
Round	Color	Result	Opponent
1	White	Loss	Qiu Yunfei	2496.10
2	White	Win	Eriksson Bjorn	2345.63
3	White	Win	Miyagawa Junzo	2273.06
4	White	Loss	Okabe Hiroshi	2630.96
5	White	Draw	Dvoeglazov Vladimir	2374.14
6	White	Loss	Savrasova Yulia	2695.58
7	Black	Win	Lu Wei-Yuan	2451.88
45th Meijinsen Qualification Kansai area final round
Date	2007-06-17		Rating	2533.27
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2297.89
2	Black	Win	Hata Masayuki	2228.54
3	White	Loss	Iio Yoshihiro	2532.02
45th Meijinsen Qualification Kansai area - 1st round
Date	2007-05-13		Rating	2523.95
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2272.14
2	Black	Win	Sakamoto Suzan	2299.11
3	White	Win	Takagawa Teiji	2263.03
4	White	Win	Ozawa Tetsushi	2019.35
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2507.41
Round	Color	Result	Opponent
1	White	Loss	Tanno Yoshitaka	2129.32
2	White	Win	Kato Yasuhiro	1963.81
3	Black	Win	Mitsumori Masao	2266.36
4	White	Win	Nagao Noriaki	2235.04
5	Black	Win	Miyagawa Junzo	2275.44
6	White	Loss	Yamaguchi Yusui	2648.33
2nd Kansai Championship 3rd round
Date	2007-01-14		Rating	2488.32
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2520.45
2	White	Loss	Takashima Junya	2507.35
3	White	Win	Sagara Takashi	2499.67
38th Kyoto Classified - Special class
Date	2006-11-12		Rating	2474.01
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2204.18
2	Black	Win	Hasegawa Kazuto	2738.44
3	White	Loss	Takashima Junya	2505.39
4	Black	Win	Miyagawa Sou	2175.73
5	Black	Draw	Okabe Hiroshi	2609.99
2nd Kansai Championship 2nd round
Date	2006-10-15		Rating	2464.91
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2512.59
2	Black	Win	Sakamoto Suzan	2292.38
3	Black	Loss	Sagara Takashi	2505.45
4	Black	Win	Koiso Shigemasa	2173.17
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2454.48
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2441.95
2	White	Win	Matsuura Hiroshi	2300.22
3	White	Loss	Fujii Naoki	2136.89
4	Black	Draw	Kawamura Norihiko	2665.59
5	Black	Loss	Yamaguchi Yusui	2637.90
6	White	Loss	Iio Yoshihiro	2512.36
7	White	Win	Nagao Noriaki	2242.79
8	White	Draw	Okabe Hiroshi	2601.60
9	Black	Win	Ishitani Shin-ichi	2362.92
Asian Championship 2006
Date	2006-08-15		Rating	2443.96
Round	Color	Result	Opponent
1	White	Draw	Lee Jo-Sub	2330.17
2	Black	Win	Kim Su Chan	2130.48
3	White	Loss	Iio Yoshihiro	2511.58
4	Black	Win	Kwon Jae-Woo	1892.91
5	Black	Loss	Park Eol	2255.83
6	Black	Win	Kashihara Akihiko	2296.76
7	White	Win	Pu Hsun-Fang	1961.89
8	Black	Win	Kim Chang-Hoon	2543.34
Youth World Championship 2006
Date	2006-08-08		Rating	2441.90
Round	Color	Result	Opponent
a1	Black	Loss	Zhang Cheng	2453.78
a2	Black	Win	Maruta Hiroki	1996.93
a3	Black	Win	Blomstedt Torbjorn	2125.73
a4	Black	Loss	Oll Aivo	2661.18
a5	White	Win	Tanizaki Ryusuke	2124.02
a6	Black	Win	Lin Shan	2156.17
a7	White	Loss	Wu Hao	2600.27
a8	White	Loss	Serdyukov Egor	2419.45
Meijin-sen Qual, Kansai-Hokuriku area final round
Date	2006-06-18		Rating	2432.59
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2507.98
2	Black	Win	Hata Masayuki	2225.42
3	White	Win	Takashima Junya	2498.36
Team World Championship 2006
Date	2006-05-05		Rating	2422.44
Round	Color	Result	Opponent
1	Black	Draw	Haikonen Kari	2181.80
2	White	Loss	Eriksson Bjorn	2353.17
3	White	Loss	Soosõrv Ants	2670.51
4	Black	Loss	Karasyov Maxim	2577.79
5	White	Loss	Zhu Jianfeng	2503.45
6	Black	Loss	Artemyev Sergey	2623.97
7	Black	Win	Oblikas Mikk	2261.84
F1	Black	Win	Eriksson Bjorn	2353.17
F2	Black	Loss	Gaulitz Joachim	2513.07
1st All Japan Championship
Date	2006-03-26		Rating	2420.73
Round	Color	Result	Opponent
1	Black	Win	Nagao Noriaki	2221.52
2	White	Win	Kato Yasuhiro	2054.63
3	White	Loss	Yamaguchi Yusui	2635.75
4	White	Win	Sato Kiyotomi	2410.38
5	Black	Win	Mitsumori Masao	2260.96
6	Black	Loss	Takashima Junya	2508.03
9th Mikami Cup - A Class
Date	2006-01-29		Rating	2415.12
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2092.35
2	White	Win	Watanabe Tatsuya	2133.74
3	Black	Win	Itami Yoshiyuki	2169.26
4	White	Win	Ono Takayuki	2303.90
5	Black	Win	Kato Yasuhiro	2048.55
30th Seiun-sen Tournament. Hamamatsu area
Date	2006-01-15		Rating	2412.24
Round	Color	Result	Opponent
	Black	Win	Ozawa Tetsushi	2016.34
	Black	Loss	Koide Morihiro	2088.83
	Black	Win	Yamamoto Hukue	1631.11
37th Kyoto Classified - group 1
Date	2005-11-13		Rating	2404.62
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2296.24
2	White	Win	Hayashi Koji	2005.59
3	Black	Win	Koyama Jun	2304.14
4	White	Draw	Itami Yoshiyuki	2179.77
5	Black	Win	Shinoda Kiyoshi	2346.63
6	White	Win	Takehara Kenji	1792.83
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2392.10
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2589.47
2	White	Draw	Ishitani Shin-ichi	2398.70
3	White	Loss	Yamaguchi Yusui	2589.53
4	White	Win	Takashima Junya	2509.70
5	White	Win	Sato Kiyotomi	2392.45
6	White	Win	Kawate Kozo	2173.23
7	White	Loss	Hasegawa Kazuto	2702.73
8	White	Loss	Matsuura Hiroshi	2349.52
9	Black	Win	Tanaka Koichi	2333.45
World Championship 2005, BT
Date	2005-08-05		Rating	2378.75
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2580.37
2	White	Win	Omata Mitsuo	1712.27
3	Black	Loss	Huang Sheng-Hsun	2104.77
4	White	Loss	Eriksson Marcus	2266.05
5	Black	Win	Saranchin Aleksandr	2026.14
6	White	Win	Timmermann Alvar	2118.36
7	White	Loss	Jonsson Peter	2370.28
8	White	Win	Lillemets Rauni	2144.76
9	Black	Win	Miyagawa Junzo	2248.75
World Championship 2005, QT
Date	2005-07-31		Rating	2378.04
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2466.16
2	White	Win	Wang Chih-Kung	2206.41
3	White	Loss	Andersson Tord	2386.71
4	White	Loss	Lents Johann	2535.08
5	White	Win	Poghosyan Albert	2377.13
6	Black	Loss	Kozhin Mikhail	2551.10
7	White	Win	Yamaguchi Yusui	2578.50
1st Kansai Championship 1st round
Date	2005-07-10		Rating	2374.79
Round	Color	Result	Opponent
1	White	Win	Masutani Hiroshi	1835.40
2	White	Loss	Ozawa Tetsushi	2036.42
3	Black	Loss	Tsujibayashi Taro	2048.04
4	White	Win	Ishibashi Hiroaki	1761.00
5	White	Win	Maki Tatsuya	1590.11
43rd Meijinsen Qualification: Kansai area - 2nd round
Date	2005-06-19		Rating	2375.43
Round	Color	Result	Opponent
	Black	Loss	Takashima Junya	2492.40
	Black	Win	Tamura Kazumasa	2355.93
	Black	Win	Matsui Tsunehiro	2164.87
43rd Meijinsen Qualification: Kansai area 1st round
Date	2005-05-08		Rating	2374.99
Round	Color	Result	Opponent
1	White	Win	Adachi Yasuhiro	2045.31
2	White	Win	Koiso Shigemasa	2223.32
3	White	Win	Yasumoto Yoshinobu	2034.39
4	White	Win	Takashima Junya	2485.52
Japan WC Qualification tournament
Date	2005-04-03		Rating	2369.96
Round	Color	Result	Opponent
1	White	Loss	Miyagawa Junzo	2253.60
2	Black	Win	Arita Nobuyoshi	2302.09
3	White	Win	Tamura Kazumasa	2345.08
4	Black	Win	Kato Yasuhiro	2024.98
5	Black	Loss	Okabe Hiroshi	2582.94
6	White	Draw	Miyoshi Takeo	2273.33
38th Touryumon-Sen Tournament
Date	2005-03-20		Rating	2368.00
Round	Color	Result	Opponent
1	White	Win	Tsujibayashi Taro	2041.95
2	White	Win	Miyagawa Sou	2129.45
3	Black	Loss	Takashima Junya	2475.56
4	Black	Win	Ozawa Tetsushi	2036.52
5	White	Win	Sugiyama Taro	1919.09
6	White	Loss	Shinoda Kiyoshi	2318.74