Oosumi Yuuki (大角友希)

Place: Moriyama, Japan

Birth: 1986-02-18

Rating: 2667.42, Std: 247.61, Rank: -

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

Top rating: 2846.62 (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	2667.42
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2528.52
2	White	Loss	Iio Yoshihiro	2528.52
3	Black	Loss	Iio Yoshihiro	2528.52
12 Kansai Championship final match
Date	2017-03-19		Rating	2710.68
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2623.32
2	White	Loss	Hasegawa Kazuto	2623.32
3	Black	Win	Hasegawa Kazuto	2623.32
11 Kansai Championship Final match
Date	2016-04-03		Rating	2747.19
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2557.64
2	White	Win	Iio Yoshihiro	2557.64
3	Black	Win	Iio Yoshihiro	2557.64
53 Meijinsen Tournament
Date	2015-09-22		Rating	2772.73
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2531.23
2	White	Loss	Koyama Jun	2634.81
3	White	Win	Hasegawa Kazuto	2672.26
4	Black	Win	Kawamura Norihiko	2623.45
5	Black	Draw	Okabe Hiroshi	2717.16
6	White	Win	Matsuura Hiroshi	2399.13
7	White	Win	Ishitani Shin-ichi	2391.80
8	White	Loss	Nakayama Tomoharu	2768.74
9	Black	Draw	Tamada Yoichi	2582.25
10 Kansai Championship final match
Date	2015-03-15		Rating	2807.69
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2520.59
2	White	Win	Iio Yoshihiro	2520.59
52 Meijinsen Match
Date	2015-01-10		Rating	2817.12
Round	Color	Result	Opponent
1	Black	Win	Nakamura Shigeru	2897.22
2	Black	Draw	Nakamura Shigeru	2897.22
3	White	Draw	Nakamura Shigeru	2897.22
4	Black	Draw	Nakamura Shigeru	2897.22
5	White	Loss	Nakamura Shigeru	2897.22
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2822.35
Round	Color	Result	Opponent
S1	Black	Loss	Kawamura Norihiko	2652.55
S2	White	Win	Fukui Nobuhiro	2604.72
S3	Black	Win	Miyagawa Junzo	2228.98
S4	Black	Win	Iio Yoshihiro	2514.02
S5	White	Win	Okabe Hiroshi	2744.67
52 Meijinsen Tournament
Date	2014-09-15		Rating	2826.61
Round	Color	Result	Opponent
1	Black	Win	Matsuura Hiroshi	2352.20
2	White	Win	Sato Kiyotomi	2483.83
3	Black	Win	Iio Yoshihiro	2510.23
4	White	Win	Fukui Nobuhiro	2614.01
5	Black	Win	Okabe Hiroshi	2748.24
6	White	Draw	Nakayama Tomoharu	2719.75
7	Black	Win	Hasegawa Kazuto	2654.71
8	Black	Draw	Tamada Yoichi	2564.23
9	Black	Win	Kashihara Akihiko	2343.83
Team World Championship 2014
Date	2014-05-03		Rating	2825.07
Round	Color	Result	Opponent
1	Black	Draw	Kamiya Shunsuke	2604.27
2	Black	Loss	Lin Huang-Yu	2810.13
3	Black	Win	Soosõrv Ants	2743.72
4	White	Win	Nikonov Konstantin	2721.94
5	White	Win	Huang Yen-Hua	2369.29
6	Black	Win	Mitsumori Masao	2336.14
7	White	Loss	Lin Huang-Yu	2810.13
9	White	Win	Nikonov Konstantin	2721.94
10	Black	Win	Chang Chia-Cheng	2175.10
9th Kansai Championship final match
Date	2014-04-06		Rating	2825.00
Round	Color	Result	Opponent
1	Black	Draw	Iio Yoshihiro	2545.94
2	Black	Loss	Iio Yoshihiro	2545.94
3	White	Win	Iio Yoshihiro	2545.94
4	White	Win	Iio Yoshihiro	2545.94
9th All Japan Championship
Date	2014-01-26		Rating	2831.29
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2290.13
2	Black	Draw	Iio Yoshihiro	2548.04
3	Black	Win	Tamura Kazumasa	2529.47
4	Black	Draw	Okabe Hiroshi	2759.91
5	Black	Win	Ono Takayuki	2374.70
6	White	Win	Fukui Nobuhiro	2608.33
51 Meijinsen Match R3 R4
Date	2013-12-22		Rating	2834.28
Round	Color	Result	Opponent
3	White	Draw	Nakamura Shigeru	2891.13
4	Black	Loss	Nakamura Shigeru	2891.13
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2839.45
Round	Color	Result	Opponent
S1	White	Win	Mano Yoshihisa	2314.05
S2	White	Draw	Okabe Hiroshi	2758.02
S3	Black	Win	Hasegawa Kazuto	2625.12
S4	Black	Win	Ishitani Shin-ichi	2425.03
S5	Black	Win	Fukui Nobuhiro	2598.12
51 Meijinsen Match R1 R2
Date	2013-10-20		Rating	2841.00
Round	Color	Result	Opponent
1	Black	Draw	Nakamura Shigeru	2886.05
2	White	Loss	Nakamura Shigeru	2886.05
51 Meijinsen Tournament
Date	2013-09-16		Rating	2844.92
Round	Color	Result	Opponent
1	Black	Win	Kawano Takahisa	2369.45
2	White	Win	Mano Yoshihisa	2315.36
3	White	Draw	Hasegawa Kazuto	2621.50
4	White	Win	Sato Kiyotomi	2470.72
5	White	Draw	Kamiya Shunsuke	2558.47
6	White	Win	Kawate Kozo	2192.85
7	White	Win	Okabe Hiroshi	2753.71
8	White	Win	Hata Masayuki	2256.97
9	Black	Win	Yamaguchi Yusui	2591.03
ex	White	Win	Okabe Hiroshi	2753.71
World Championship 2013, AT
Date	2013-08-14		Rating	2846.62
Round	Color	Result	Opponent
1	Black	Loss	Taimla Tunnet	2877.24
2	Black	Win	Epifanov Dmitry	2685.38
3	White	Win	Salnikov Pavel	2600.47
4	White	Win	Oll Aivo	2733.95
5	Black	Draw	Okabe Hiroshi	2749.18
6	White	Loss	Cao Dong	2744.39
7	White	Win	Wang Qingqing	2647.30
8	Black	Win	Chen Ko-Han	2681.34
9	Black	Win	Lan Zhiren	2633.99
10	White	Draw	Hõbemägi Martin	2584.34
11	Black	Win	Sushkov Vladimir	2821.96
8th Kansai Championship final match
Date	2013-05-12		Rating	2846.46
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2608.94
2	White	Win	Hasegawa Kazuto	2608.94
8th All Japan Championship
Date	2013-03-24		Rating	2844.17
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2288.23
2	Black	Win	Nagao Noriaki	2387.63
3	Black	Win	Kudomi Takahiro	2418.57
4	White	Draw	Nakamura Shigeru	2867.24
5	Black	Win	Ishitani Shin-ichi	2375.20
6	Black	Win	Okabe Hiroshi	2731.79
ex	Black	Win	Nakamura Shigeru	2867.24
50 Meijinsen Match R5
Date	2013-01-27		Rating	2834.33
Round	Color	Result	Opponent
5	Black	Loss	Nakamura Shigeru	2876.21
50 Meijinsen Match R3,R4
Date	2012-12-23		Rating	2829.90
Round	Color	Result	Opponent
3	White	Draw	Nakamura Shigeru	2878.56
4	White	Loss	Nakamura Shigeru	2878.56
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2826.26
Round	Color	Result	Opponent
S1	Black	Win	Fukui Nobuhiro	2553.83
S2	White	Win	Ono Takayuki	2424.36
S3	White	Win	Kudomi Takahiro	2419.93
S4	White	Draw	Hasegawa Kazuto	2593.03
S5	White	Win	Okabe Hiroshi	2713.07
50 Meijinsen Match R1,R2
Date	2012-10-21		Rating	2823.51
Round	Color	Result	Opponent
1	Black	Win	Nakamura Shigeru	2878.38
2	Black	Draw	Nakamura Shigeru	2878.38
Team World Championship 2012
Date	2012-05-06		Rating	2789.23
Round	Color	Result	Opponent
1	Black	Loss	Cao Dong	2689.26
3	Black	Loss	Sushkov Vladimir	2779.73
5	White	Draw	Taimla Tunnet	2848.76
6	Black	Loss	Yang Yanxi	2692.58
7	White	Win	Lan Zhiren	2571.56
8	White	Win	Cao Dong	2689.26
9	White	Loss	Yang Yanxi	2692.58
10	White	Loss	Lan Zhiren	2571.56
7th Kansai Championship final match
Date	2012-04-01		Rating	2791.95
Round	Color	Result	Opponent
1	Black	Win	Kise Katsumi	2549.63
2	Black	Win	Kise Katsumi	2549.63
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2792.66
Round	Color	Result	Opponent
S1	White	Win	Isobe Taizan	2420.74
S2	Black	Win	Mitsumori Masao	2366.42
S3	Black	Win	Nakamura Shigeru	2878.34
S4	White	Win	Ishitani Shin-ichi	2372.52
S5	Black	Win	Kobayashi Koichi	2216.80
12 Kanto Renju Emperor Tournament final match
Date	2012-02-12		Rating	2790.73
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2877.51
2	Black	Draw	Nakamura Shigeru	2877.51
3	White	Draw	Nakamura Shigeru	2877.51
7th All Japan Championship
Date	2012-01-29		Rating	2789.97
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2486.81
2	White	Win	Kudomi Takahiro	2424.95
3	White	Win	Isobe Taizan	2421.50
4	White	Loss	Nakamura Shigeru	2876.88
5	Black	Win	Mitsumori Masao	2369.56
6	Black	Win	Okabe Hiroshi	2697.68
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2788.53
Round	Color	Result	Opponent
1	Black	Draw	Nakamura Shigeru	2874.94
2	Black	Win	Nakayama Tomoharu	2600.18
3	White	Win	Kamiya Shunsuke	2456.06
4	Black	Win	Mitsumori Masao	2368.83
5	White	Win	Okabe Hiroshi	2699.26
49 Meijinsen Match R3,R4
Date	2011-12-18		Rating	2782.67
Round	Color	Result	Opponent
3	Black	Draw	Yamaguchi Yusui	2652.81
4	Black	Win	Yamaguchi Yusui	2652.81
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2774.78
Round	Color	Result	Opponent
S1	White	Win	Okumura Toyohiko	2322.44
S2	White	Win	Sakamoto Suzan	2355.97
S3	Black	Win	Ishitani Shin-ichi	2392.44
S4	White	Loss	Okabe Hiroshi	2706.02
S5	White	Win	Hasegawa Kazuto	2554.95
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2770.34
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2437.33
2	White	Win	Ishitani Shin-ichi	2392.73
3	White	Win	Kamiya Shunsuke	2441.18
4	White	Win	Nakayama Tomoharu	2587.93
49 Meijinsen Match R1,R2
Date	2011-10-16		Rating	2768.38
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2653.77
2	Black	Win	Yamaguchi Yusui	2653.77
World Championship 2011, AT
Date	2011-08-10		Rating	2751.98
Round	Color	Result	Opponent
1	Black	Loss	Andersson Tord	2438.94
2	Black	Loss	Huang Jin-xian	2613.77
3	Black	Loss	Sushkov Vladimir	2775.63
4	White	Draw	Okabe Hiroshi	2704.49
5	Black	Draw	Lin Huang-Yu	2783.17
6	White	Win	Artemyev Sergey	2602.50
7	White	Win	Hou I-Cheng	2502.98
8	Black	Win	Dai Xiaohan	2698.45
9	White	Win	Oll Aivo	2701.27
10	Black	Draw	Cao Dong	2697.02
11	Black	Draw	Taimla Tunnet	2800.57
28th Kanto Championship
Date	2011-05-22		Rating	2738.66
Round	Color	Result	Opponent
1	Black	Draw	Kato Yasuhiro	2064.74
2	Black	Draw	Kamiya Shunsuke	2415.16
3	Black	Loss	Fukui Nobuhiro	2430.23
4	Black	Win	Iwano Fumio	2131.06
5	Black	Win	Tamada Yoichi	2506.84
6th All Japan Championship
Date	2011-03-27		Rating	2738.44
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2217.88
2	White	Loss	Tamada Yoichi	2514.35
3	Black	Win	Koiso Shigemasa	2163.79
4	Black	Win	Mano Yoshihisa	2275.38
5	Black	Win	Sato Kiyotomi	2399.47
6	Black	Win	Okabe Hiroshi	2699.11
6th Kansai Championship final match
Date	2011-03-20		Rating	2738.46
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2510.86
2	Black	Win	Iio Yoshihiro	2510.86
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2736.33
Round	Color	Result	Opponent
S1	White	Win	Isobe Taizan	2407.57
S2	Black	Win	Mitsumori Masao	2327.87
S3	Black	Win	Nakamura Shigeru	2856.73
S4	Black	Win	Ono Takayuki	2392.66
S5	White	Win	Ishitani Shin-ichi	2391.26
6th Kansai Championship 3rd round
Date	2011-01-09		Rating	2732.78
Round	Color	Result	Opponent
1	Black	Win	Hata Masayuki	2186.11
2	White	Win	Miyagawa Junzo	2223.65
3	White	Win	Kubo Izumi	2105.43
48 Meijinsen Match R3,R4,R5
Date	2010-12-26		Rating	2730.24
Round	Color	Result	Opponent
3	White	Win	Hasegawa Kazuto	2618.33
4	Black	Draw	Hasegawa Kazuto	2618.33
5	Black	Win	Hasegawa Kazuto	2618.33
42 Kyoto Classified Tournament
Date	2010-11-14		Rating	2720.11
Round	Color	Result	Opponent
S1	Black	Win	Miyoshi Takeo	2126.38
S2	Black	Win	Okumura Toyohiko	2332.57
S3	Black	Draw	Hasegawa Kazuto	2631.24
S4	Black	Win	Kudomi Takahiro	2412.08
S5	Black	Win	Okabe Hiroshi	2695.37
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2715.78
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2110.01
2	White	Win	Kudomi Takahiro	2411.44
3	White	Win	Isobe Taizan	2404.38
4	White	Draw	Okabe Hiroshi	2695.63
48 Meijinsen Match R1,R2
Date	2010-10-17		Rating	2711.00
Round	Color	Result	Opponent
1	White	Win	Hasegawa Kazuto	2639.64
2	Black	Loss	Hasegawa Kazuto	2639.64
48th Meijinsen Tournament
Date	2010-09-20		Rating	2702.38
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2390.51
2	Black	Win	Koiso Shigemasa	2172.75
3	White	Win	Okabe Hiroshi	2695.48
4	Black	Draw	Kawano Takahisa	2320.16
5	White	Loss	Sakamoto Suzan	2350.50
6	Black	Draw	Tamada Yoichi	2497.43
7	Black	Win	Matsuura Hiroshi	2391.14
8	Black	Win	Yamaguchi Yusui	2590.82
9	Black	Win	Iio Yoshihiro	2529.24
27th Kanto Championship
Date	2010-05-23		Rating	2665.60
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2189.60
2	Black	Win	Yamaguchi Yusui	2583.53
3	Black	Win	Kawamura Norihiko	2585.31
4	Black	Loss	Nakamura Shigeru	2857.24
5	White	Loss	Okabe Hiroshi	2702.40
Team World Championship 2010
Date	2010-05-05		Rating	2659.81
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2855.50
2	White	Loss	Li Yi	2685.52
3	White	Win	Sushkov Vladimir	2767.89
4	White	Loss	Taimla Tunnet	2817.72
6	White	Loss	Lin Shu-Hsuan	2587.34
7	Black	Win	Piddubny Konstantin	2300.90
8	Black	Win	Piddubny Konstantin	2300.90
9	White	Win	Väljataga Paul	2419.30
10	White	Draw	Sushkov Vladimir	2767.89
5th Kansai Championship final match
Date	2010-03-28		Rating	2649.17
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2531.21
2	Black	Loss	Iio Yoshihiro	2531.21
5th All Japan Championship
Date	2010-03-21		Rating	2648.24
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2083.38
2	White	Win	Tamada Yoichi	2448.04
3	White	Win	Fukui Nobuhiro	2313.35
4	Black	Loss	Ishitani Shin-ichi	2397.35
5	White	Win	Tamura Kazumasa	2513.04
6	White	Win	Nagao Noriaki	2372.16
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2629.54
Round	Color	Result	Opponent
1	Black	Win	Okumura Toyohiko	2329.81
2	White	Win	Kubo Izumi	2114.24
3	White	Loss	Hasegawa Kazuto	2710.32
4	White	Win	Okabe Hiroshi	2671.94
5	Black	Draw	Ishitani Shin-ichi	2369.06
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2629.40
Round	Color	Result	Opponent
S1	Black	Win	Sakamoto Suzan	2321.84
S2	Black	Loss	Miyoshi Takeo	2155.78
S3	Black	Win	Matsuo Toshiko	1980.71
S4	Black	Win	Mano Yoshihisa	2319.68
S5	Black	Win	Tamura Kazumasa	2508.58
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2625.36
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2152.83
2	Black	Win	Tanji Hiroki	2052.50
3	White	Loss	Okabe Hiroshi	2671.73
4	Black	Loss	Tamada Yoichi	2393.21
47th Meijinsen tournament
Date	2009-09-22		Rating	2625.47
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2365.26
2	White	Win	Sakamoto Suzan	2311.61
3	Black	Win	Kataoka Mitsuaki	2256.68
4	Black	Draw	Ishitani Shin-ichi	2368.57
5	Black	Win	Iio Yoshihiro	2514.51
6	Black	Loss	Kawamura Norihiko	2632.43
7	White	Draw	Okabe Hiroshi	2671.47
8	Black	Win	Yamaguchi Yusui	2574.35
9	White	Draw	Tamura Kazumasa	2506.38
World Championship 2009, BT
Date	2009-08-13		Rating	2624.54
Round	Color	Result	Opponent
1	White	Win	Golosov Viktor	2439.92
2	Black	Win	Lents Johann	2490.06
3	White	Win	Tamura Kazumasa	2503.48
4	Black	Win	Yu Tien-Lung	2132.46
5	Black	Loss	Pajuste Renee	2416.04
6	White	Win	Lin Huang-Yu	2606.60
7	White	Draw	Yin Licheng	2499.81
8	White	Win	Nowak Paweł	2438.02
9	White	Loss	Tarannikov Yuriy	2727.65
World Championship 2009, QT
Date	2009-08-05		Rating	2624.00
Round	Color	Result	Opponent
1	White	Win	Yao Jinrui	2339.66
2	White	Win	Savrasova Yulia	2659.26
3	Black	Draw	Cao Dong	2706.33
4	White	Draw	Lu Wei-Yuan	2484.06
5	White	Win	Nowak Paweł	2438.11
6	White	Loss	Chen Ko-Han	2554.11
7	White	Draw	Nykl Ondřej	2549.96
47th Meijinsen Qualification Kansai area 2nd round
Date	2009-06-21		Rating	2620.04
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2115.32
2	Black	Win	Hata Masayuki	2181.62
3	Black	Win	Sakamoto Suzan	2306.60
26th Kanto Championship
Date	2009-05-17		Rating	2615.91
Round	Color	Result	Opponent
1	Black	Win	Tanji Hiroki	2036.99
2	Black	Win	Mitsumori Masao	2344.00
3	Black	Loss	Isobe Taizan	2406.28
4	White	Win	Shimoyama Takuma	2237.04
5	Black	Win	Kawamura Norihiko	2640.87
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2614.15
Round	Color	Result	Opponent
1	Black	Draw	Iio Yoshihiro	2489.23
2	White	Loss	Li Yi	2639.57
3	Black	Loss	Gu Wei	2516.00
4	Black	Win	Xu Bin	2196.10
5	Black	Win	Mitsumori Masao	2344.41
6	White	Win	Isobe Taizan	2405.53
7	Black	Win	Yu Manjiang	2504.41
4th All Japan Championship
Date	2009-03-21		Rating	2610.81
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2116.80
2	Black	Win	Miyoshi Takeo	2210.38
3	White	Draw	Tamura Kazumasa	2511.07
4	Black	Draw	Okabe Hiroshi	2669.42
5	Black	Win	Isobe Taizan	2404.32
6	Black	Draw	Nakamura Shigeru	2857.34
4th Kansai Championship, final match
Date	2009-03-15		Rating	2609.93
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2718.36
2	Black	Win	Hasegawa Kazuto	2718.36
4 Kansai Championship 3rd round
Date	2009-02-15		Rating	2601.75
Round	Color	Result	Opponent
1	Black	Win	Takashima Junya	2513.53
2	White	Win	Iio Yoshihiro	2484.87
3	Black	Win	Tamura Kazumasa	2503.44
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2590.23
Round	Color	Result	Opponent
S1	Black	Win	Mitsumori Masao	2335.52
S2	Black	Draw	Yamaguchi Yusui	2571.17
S3	White	Loss	Ishitani Shin-ichi	2396.33
S4	Black	Loss	Okabe Hiroshi	2674.68
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2564.75
Round	Color	Result	Opponent
1	White	Win	Watanabe Yoko	2062.49
2	White	Loss	Nakayama Tomoharu	2284.85
3	White	Loss	Tamada Yoichi	2267.87
4	White	Win	Fujikawa Masaki	2083.78
46th Meijinsen Tournament
Date	2008-09-15		Rating	2559.45
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2581.23
2	White	Loss	Iio Yoshihiro	2506.37
3	Black	Win	Kataoka Mitsuaki	2249.40
4	White	Win	Sato Kiyotomi	2442.38
5	White	Loss	Okabe Hiroshi	2690.25
6	White	Draw	Ishitani Shin-ichi	2395.28
7	White	Win	Hata Masayuki	2259.10
8	White	Loss	Kawamura Norihiko	2661.48
9	White	Win	Matsuura Hiroshi	2326.71
3rd Kansai Championship final match
Date	2008-03-16		Rating	2558.25
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2762.43
2	White	Loss	Hasegawa Kazuto	2762.43
3rd Kansai Championship 3rd round
Date	2008-01-13		Rating	2561.14
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2412.76
2	White	Win	Takagawa Teiji	2240.53
3	Black	Win	Iio Yoshihiro	2528.84
39th Kyoto Classified - Special Class
Date	2007-11-11		Rating	2557.80
Round	Color	Result	Opponent
1	Black	Draw	Tamura Kazumasa	2408.52
2	Black	Win	Kudomi Takahiro	2338.60
3	Black	Win	Miyagawa Junzo	2265.28
4	Black	Loss	Okabe Hiroshi	2651.94
5	White	Loss	Hasegawa Kazuto	2766.71
3 Kansai Championship 2nd round
Date	2007-10-21		Rating	2557.68
Round	Color	Result	Opponent
1	White	Win	Ozawa Tetsushi	2028.68
2	White	Win	Koiso Shigemasa	2171.48
3	Black	Win	Tamura Kazumasa	2407.97
4	White	Win	Takagawa Teiji	2250.88
The 45th Meijin-sen Tournament
Date	2007-09-17		Rating	2555.27
Round	Color	Result	Opponent
1	Black	Win	Sato Kiyotomi	2398.15
2	White	Loss	Yamaguchi Yusui	2651.91
3	Black	Win	Matsuura Hiroshi	2300.77
4	White	Win	Kawamura Norihiko	2630.72
5	White	Loss	Isobe Taizan	2435.17
6	White	Win	Miyoshi Takeo	2302.06
7	Black	Win	Okabe Hiroshi	2640.00
8	Black	Draw	Iio Yoshihiro	2536.48
World Championship 2007, BT
Date	2007-08-15		Rating	2549.88
Round	Color	Result	Opponent
1	Black	Win	Qiu Yunfei	2494.42
2	White	Win	Serdyukov Egor	2499.30
3	White	Draw	Lu Wei-Yuan	2452.08
4	White	Win	Nokhrin Oleg	2405.62
5	White	Win	Eriksson Marcus	2305.63
6	White	Loss	Lin Huang-Yu	2524.26
7	White	Win	Karasyov Maxim	2498.92
8	White	Win	Sorokina Oksana	2484.70
9	Black	Win	Ishitani Shin-ichi	2387.14
World Championship 2007, QT
Date	2007-08-08		Rating	2547.34
Round	Color	Result	Opponent
1	White	Loss	Qiu Yunfei	2495.62
2	White	Win	Eriksson Bjorn	2344.82
3	White	Win	Miyagawa Junzo	2272.50
4	White	Loss	Okabe Hiroshi	2630.43
5	White	Draw	Dvoeglazov Vladimir	2373.35
6	White	Loss	Savrasova Yulia	2695.55
7	Black	Win	Lu Wei-Yuan	2451.25
45th Meijinsen Qualification Kansai area final round
Date	2007-06-17		Rating	2532.61
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2297.23
2	Black	Win	Hata Masayuki	2227.76
3	White	Loss	Iio Yoshihiro	2531.42
45th Meijinsen Qualification Kansai area - 1st round
Date	2007-05-13		Rating	2523.28
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2271.55
2	Black	Win	Sakamoto Suzan	2298.44
3	White	Win	Takagawa Teiji	2262.19
4	White	Win	Ozawa Tetsushi	2018.66
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2506.73
Round	Color	Result	Opponent
1	White	Loss	Tanno Yoshitaka	2128.57
2	White	Win	Kato Yasuhiro	1963.07
3	Black	Win	Mitsumori Masao	2265.64
4	White	Win	Nagao Noriaki	2234.28
5	Black	Win	Miyagawa Junzo	2274.84
6	White	Loss	Yamaguchi Yusui	2647.78
2nd Kansai Championship 3rd round
Date	2007-01-14		Rating	2487.63
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2519.79
2	White	Loss	Takashima Junya	2506.69
3	White	Win	Sagara Takashi	2498.81
38th Kyoto Classified - Special class
Date	2006-11-12		Rating	2473.31
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2203.39
2	Black	Win	Hasegawa Kazuto	2737.68
3	White	Loss	Takashima Junya	2504.76
4	Black	Win	Miyagawa Sou	2174.93
5	Black	Draw	Okabe Hiroshi	2609.37
2nd Kansai Championship 2nd round
Date	2006-10-15		Rating	2464.22
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2511.89
2	Black	Win	Sakamoto Suzan	2291.63
3	Black	Loss	Sagara Takashi	2504.58
4	Black	Win	Koiso Shigemasa	2172.25
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2453.78
Round	Color	Result	Opponent
1	Black	Loss	Sato Kiyotomi	2441.22
2	White	Win	Matsuura Hiroshi	2299.44
3	White	Loss	Fujii Naoki	2135.85
4	Black	Draw	Kawamura Norihiko	2664.81
5	Black	Loss	Yamaguchi Yusui	2637.27
6	White	Loss	Iio Yoshihiro	2511.65
7	White	Win	Nagao Noriaki	2242.01
8	White	Draw	Okabe Hiroshi	2600.97
9	Black	Win	Ishitani Shin-ichi	2362.16
Asian Championship 2006
Date	2006-08-15		Rating	2443.26
Round	Color	Result	Opponent
1	White	Draw	Lee Jo-Sub	2329.64
2	Black	Win	Kim Su Chan	2130.05
3	White	Loss	Iio Yoshihiro	2510.87
4	Black	Win	Kwon Jae-Woo	1893.11
5	Black	Loss	Park Eol	2255.34
6	Black	Win	Kashihara Akihiko	2295.60
7	White	Win	Pu Hsun-Fang	1961.49
8	Black	Win	Kim Chang-Hoon	2542.60
Youth World Championship 2006
Date	2006-08-08		Rating	2441.20
Round	Color	Result	Opponent
a1	Black	Loss	Zhang Cheng	2453.35
a2	Black	Win	Maruta Hiroki	1996.22
a3	Black	Win	Blomstedt Torbjorn	2124.93
a4	Black	Loss	Oll Aivo	2660.68
a5	White	Win	Tanizaki Ryusuke	2123.28
a6	Black	Win	Lin Shan	2155.68
a7	White	Loss	Wu Hao	2600.37
a8	White	Loss	Serdyukov Egor	2418.38
Meijin-sen Qual, Kansai-Hokuriku area final round
Date	2006-06-18		Rating	2431.88
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2507.24
2	Black	Win	Hata Masayuki	2224.61
3	White	Win	Takashima Junya	2497.80
Team World Championship 2006
Date	2006-05-05		Rating	2421.72
Round	Color	Result	Opponent
1	Black	Draw	Haikonen Kari	2180.92
2	White	Loss	Eriksson Bjorn	2352.27
3	White	Loss	Soosõrv Ants	2670.11
4	Black	Loss	Karasyov Maxim	2577.71
5	White	Loss	Zhu Jianfeng	2502.95
6	Black	Loss	Artemyev Sergey	2623.91
7	Black	Win	Oblikas Mikk	2260.95
F1	Black	Win	Eriksson Bjorn	2352.27
F2	Black	Loss	Gaulitz Joachim	2512.09
1st All Japan Championship
Date	2006-03-26		Rating	2420.01
Round	Color	Result	Opponent
1	Black	Win	Nagao Noriaki	2220.73
2	White	Win	Kato Yasuhiro	2053.89
3	White	Loss	Yamaguchi Yusui	2635.08
4	White	Win	Sato Kiyotomi	2409.62
5	Black	Win	Mitsumori Masao	2260.23
6	Black	Loss	Takashima Junya	2507.47
9th Mikami Cup - A Class
Date	2006-01-29		Rating	2414.38
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2091.62
2	White	Win	Watanabe Tatsuya	2133.02
3	Black	Win	Itami Yoshiyuki	2168.50
4	White	Win	Ono Takayuki	2303.11
5	Black	Win	Kato Yasuhiro	2047.82
30th Seiun-sen Tournament. Hamamatsu area
Date	2006-01-15		Rating	2411.50
Round	Color	Result	Opponent
	Black	Win	Ozawa Tetsushi	2015.68
	Black	Loss	Koide Morihiro	2088.17
	Black	Win	Yamamoto Hukue	1630.49
37th Kyoto Classified - group 1
Date	2005-11-13		Rating	2403.86
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2295.43
2	White	Win	Hayashi Koji	2005.00
3	Black	Win	Koyama Jun	2303.39
4	White	Draw	Itami Yoshiyuki	2179.01
5	Black	Win	Shinoda Kiyoshi	2345.82
6	White	Win	Takehara Kenji	1792.09
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2391.32
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2588.74
2	White	Draw	Ishitani Shin-ichi	2397.86
3	White	Loss	Yamaguchi Yusui	2588.82
4	White	Win	Takashima Junya	2509.03
5	White	Win	Sato Kiyotomi	2391.67
6	White	Win	Kawate Kozo	2172.51
7	White	Loss	Hasegawa Kazuto	2701.89
8	White	Loss	Matsuura Hiroshi	2348.68
9	Black	Win	Tanaka Koichi	2332.55
World Championship 2005, BT
Date	2005-08-05		Rating	2377.96
Round	Color	Result	Opponent
1	White	Loss	Yamaguchi Yusui	2579.64
2	White	Win	Omata Mitsuo	1711.26
3	Black	Loss	Huang Sheng-Hsun	2103.92
4	White	Loss	Eriksson Marcus	2264.99
5	Black	Win	Saranchin Aleksandr	2024.66
6	White	Win	Timmermann Alvar	2117.27
7	White	Loss	Jonsson Peter	2369.30
8	White	Win	Lillemets Rauni	2143.61
9	Black	Win	Miyagawa Junzo	2248.12
World Championship 2005, QT
Date	2005-07-31		Rating	2377.25
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2465.30
2	White	Win	Wang Chih-Kung	2205.62
3	White	Loss	Andersson Tord	2385.80
4	White	Loss	Lents Johann	2534.19
5	White	Win	Poghosyan Albert	2375.80
6	Black	Loss	Kozhin Mikhail	2550.82
7	White	Win	Yamaguchi Yusui	2577.77
1st Kansai Championship 1st round
Date	2005-07-10		Rating	2374.01
Round	Color	Result	Opponent
1	White	Win	Masutani Hiroshi	1834.87
2	White	Loss	Ozawa Tetsushi	2035.78
3	Black	Loss	Tsujibayashi Taro	2047.44
4	White	Win	Ishibashi Hiroaki	1760.48
5	White	Win	Maki Tatsuya	1589.59
43rd Meijinsen Qualification: Kansai area - 2nd round
Date	2005-06-19		Rating	2374.64
Round	Color	Result	Opponent
	Black	Loss	Takashima Junya	2491.71
	Black	Win	Tamura Kazumasa	2354.94
	Black	Win	Matsui Tsunehiro	2163.95
43rd Meijinsen Qualification: Kansai area 1st round
Date	2005-05-08		Rating	2374.21
Round	Color	Result	Opponent
1	White	Win	Adachi Yasuhiro	2044.16
2	White	Win	Koiso Shigemasa	2222.18
3	White	Win	Yasumoto Yoshinobu	2033.58
4	White	Win	Takashima Junya	2484.82
Japan WC Qualification tournament
Date	2005-04-03		Rating	2369.17
Round	Color	Result	Opponent
1	White	Loss	Miyagawa Junzo	2253.04
2	Black	Win	Arita Nobuyoshi	2301.30
3	White	Win	Tamura Kazumasa	2344.04
4	Black	Win	Kato Yasuhiro	2024.24
5	Black	Loss	Okabe Hiroshi	2582.09
6	White	Draw	Miyoshi Takeo	2272.38
38th Touryumon-Sen Tournament
Date	2005-03-20		Rating	2367.21
Round	Color	Result	Opponent
1	White	Win	Tsujibayashi Taro	2041.35
2	White	Win	Miyagawa Sou	2128.41
3	Black	Loss	Takashima Junya	2474.86
4	Black	Win	Ozawa Tetsushi	2035.90
5	White	Win	Sugiyama Taro	1918.49
6	White	Loss	Shinoda Kiyoshi	2317.93