JPN Oosumi Yuuki

Place: Moriyama, Japan

Rating: 2612.24, Rank: 23

First game: 2005-05-08, Last game: 2018-03-18

Top rating: 2756.81 (2013-08-14)

Games: 405, Wins: 248, Draws: 61, Losses: 96

Gy1: 0, Gy2: 0, Gy5: 9

13 Kansai Championship final match
Date 2018-03-18 Rating 2612.24
Round Color Result Opponent
1 Black Win JPN Iio Yoshihiro 2438.12
2 White Loss JPN Iio Yoshihiro 2438.12
3 Black Loss JPN Iio Yoshihiro 2438.12
12 Kansai Championship final match
Date 2017-03-19 Rating 2644.53
Round Color Result Opponent
1 Black Win JPN Hasegawa Kazuto 2539.88
2 White Loss JPN Hasegawa Kazuto 2539.88
3 Black Win JPN Hasegawa Kazuto 2539.88
11 Kansai Championship Final match
Date 2016-04-03 Rating 2673.99
Round Color Result Opponent
1 White Loss JPN Iio Yoshihiro 2472.65
2 White Win JPN Iio Yoshihiro 2472.65
3 Black Win JPN Iio Yoshihiro 2472.65
53 Meijinsen Tournament
Date 2015-09-22 Rating 2694.39
Round Color Result Opponent
1 White Win JPN Iio Yoshihiro 2453.49
2 White Loss JPN Koyama Jun 2548.78
3 White Win JPN Hasegawa Kazuto 2581.08
4 Black Win JPN Kawamura Norihiko 2545.65
5 Black Draw JPN Okabe Hiroshi 2640.74
6 White Win JPN Matsuura Hiroshi 2320.94
7 White Win JPN Ishitani Shin-ichi 2325.52
8 White Loss JPN Nakayama Tomoharu 2682.49
9 Black Draw JPN Tamada Yoichi 2496.48
10 Kansai Championship final match
Date 2015-03-15 Rating 2721.55
Round Color Result Opponent
1 Black Win JPN Iio Yoshihiro 2445.27
2 White Win JPN Iio Yoshihiro 2445.27
52 Meijinsen Match R5
Date 2015-01-10 Rating 2729.04
Round Color Result Opponent
5 White Loss JPN Nakamura Shigeru 2819.40
52 Meijinsen Match
Date 2015-01-10 Rating 2729.04
Round Color Result Opponent
1 Black Win JPN Nakamura Shigeru 2819.40
2 Black Draw JPN Nakamura Shigeru 2819.40
3 White Draw JPN Nakamura Shigeru 2819.40
4 Black Draw JPN Nakamura Shigeru 2819.40
5 White Loss JPN Nakamura Shigeru 2819.40
52 Meijinsen Match R3,4
Date 2014-11-23 Rating 2733.72
Round Color Result Opponent
3 White Draw JPN Nakamura Shigeru 2815.99
4 Black Draw JPN Nakamura Shigeru 2815.99
46 Kyoto Classified Tournament
Date 2014-11-09 Rating 2734.85
Round Color Result Opponent
S1 Black Loss JPN Kawamura Norihiko 2572.85
S2 White Win JPN Fukui Nobuhiro 2533.79
S3 Black Win JPN Miyagawa Junzo 2158.24
S4 Black Win JPN Iio Yoshihiro 2440.29
S5 White Win JPN Okabe Hiroshi 2663.55
52 Meijinsen Tournament
Date 2014-09-15 Rating 2738.81
Round Color Result Opponent
1 Black Win JPN Matsuura Hiroshi 2301.05
2 White Win JPN Sato Kiyotomi 2405.69
3 Black Win JPN Iio Yoshihiro 2437.57
4 White Win JPN Fukui Nobuhiro 2538.52
5 Black Win JPN Okabe Hiroshi 2666.41
6 White Draw JPN Nakayama Tomoharu 2637.98
7 Black Win JPN Hasegawa Kazuto 2568.07
8 Black Draw JPN Tamada Yoichi 2483.44
9 Black Win JPN Kashihara Akihiko 2267.27
Team World Championship
Date 2014-05-03 Rating 2739.82
Round Color Result Opponent
1 Black Draw JPN Kamiya Shunsuke 2529.20
2 Black Loss TPE Lin Huang-Yu 2723.40
3 Black Win EST Soosõrv Ants 2663.43
4 White Win RUS Nikonov Konstantin 2634.20
5 White Win TPE Huang Yen-Hua 2305.64
6 Black Win JPN Mitsumori Masao 2268.57
7 White Loss TPE Lin Huang-Yu 2723.40
9 White Win RUS Nikonov Konstantin 2634.20
10 Black Win TPE Chang Chia-Cheng 2118.31
9th Kansai Championship final match
Date 2014-04-06 Rating 2740.13
Round Color Result Opponent
1 Black Draw JPN Iio Yoshihiro 2461.19
2 Black Loss JPN Iio Yoshihiro 2461.19
3 White Win JPN Iio Yoshihiro 2461.19
4 White Win JPN Iio Yoshihiro 2461.19
9th All Japan Championship
Date 2014-01-26 Rating 2745.27
Round Color Result Opponent
1 White Win JPN Maruyama Yasushi 2222.19
2 Black Draw JPN Iio Yoshihiro 2462.16
3 Black Win JPN Tamura Kazumasa 2452.26
4 Black Draw JPN Okabe Hiroshi 2675.25
5 Black Win JPN Ono Takayuki 2305.53
6 White Win JPN Fukui Nobuhiro 2528.43
51 Meijinsen Match R3 R4
Date 2013-12-22 Rating 2747.67
Round Color Result Opponent
3 White Draw JPN Nakamura Shigeru 2809.26
4 Black Loss JPN Nakamura Shigeru 2809.26
45 Kyoto Classified Tournament
Date 2013-11-10 Rating 2751.57
Round Color Result Opponent
S1 White Win JPN Mano Yoshihisa 2244.67
S2 White Draw JPN Okabe Hiroshi 2673.68
S3 Black Win JPN Hasegawa Kazuto 2544.84
S4 Black Win JPN Ishitani Shin-ichi 2349.47
S5 Black Win JPN Fukui Nobuhiro 2518.98
51 Meijinsen Match R1 R2
Date 2013-10-20 Rating 2752.78
Round Color Result Opponent
1 Black Draw JPN Nakamura Shigeru 2805.25
2 White Loss JPN Nakamura Shigeru 2805.25
51 Meijinsen Tournament
Date 2013-09-16 Rating 2755.62
Round Color Result Opponent
1 Black Win JPN Kawano Takahisa 2297.18
2 White Win JPN Mano Yoshihisa 2244.60
3 White Draw JPN Hasegawa Kazuto 2541.87
4 White Win JPN Sato Kiyotomi 2391.71
5 White Draw JPN Kamiya Shunsuke 2488.81
6 White Win JPN Kawate Kozo 2034.01
7 White Win JPN Okabe Hiroshi 2670.44
8 White Win JPN Hata Masayuki 2174.19
9 Black Win JPN Yamaguchi Yusui 2519.84
ex White Win JPN Okabe Hiroshi 2670.44
World Championship AT
Date 2013-08-14 Rating 2756.81
Round Color Result Opponent
1 Black Loss EST Taimla Tunnet 2784.34
2 Black Win RUS Epifanov Dmitry 2595.75
3 White Win RUS Salnikov Pavel 2530.48
4 White Win EST Oll Aivo 2656.92
5 Black Draw JPN Okabe Hiroshi 2667.16
6 White Loss CHN Cao Dong 2673.68
7 White Win CHN Wang Qingqing 2574.79
8 Black Win TPE Chen Ko-Han 2597.07
9 Black Win CHN Lan Zhiren 2558.07
10 White Draw EST Hõbemägi Martin 2508.60
11 Black Win RUS Sushkov Vladimir 2742.05
8th Kansai Championship final match
Date 2013-05-12 Rating 2755.92
Round Color Result Opponent
1 Black Win JPN Hasegawa Kazuto 2532.20
2 White Win JPN Hasegawa Kazuto 2532.20
8th All Japan Championship
Date 2013-03-24 Rating 2753.88
Round Color Result Opponent
1 Black Win JPN Tada Ayako 2229.52
2 Black Win JPN Nagao Noriaki 2325.53
3 Black Win JPN Kudomi Takahiro 2338.46
4 White Draw JPN Nakamura Shigeru 2790.93
5 Black Win JPN Ishitani Shin-ichi 2311.14
6 Black Win JPN Okabe Hiroshi 2653.61
ex Black Win JPN Nakamura Shigeru 2790.93
50 Meijinsen Match R5
Date 2013-01-27 Rating 2746.37
Round Color Result Opponent
5 Black Loss JPN Nakamura Shigeru 2796.57
50 Meijinsen Match R3,R4
Date 2012-12-23 Rating 2742.79
Round Color Result Opponent
3 White Draw JPN Nakamura Shigeru 2797.88
4 White Loss JPN Nakamura Shigeru 2797.88
44 Kyoto Classified Tournament
Date 2012-11-11 Rating 2739.55
Round Color Result Opponent
S1 Black Win JPN Fukui Nobuhiro 2474.97
S2 White Win JPN Ono Takayuki 2348.01
S3 White Win JPN Kudomi Takahiro 2341.72
S4 White Draw JPN Hasegawa Kazuto 2519.83
S5 White Win JPN Okabe Hiroshi 2638.76
50 Meijinsen Match R1,R2
Date 2012-10-21 Rating 2737.25
Round Color Result Opponent
1 Black Win JPN Nakamura Shigeru 2797.34
2 Black Draw JPN Nakamura Shigeru 2797.34
Team World Championship
Date 2012-05-06 Rating 2710.40
Round Color Result Opponent
1 Black Loss CHN Cao Dong 2632.98
3 Black Loss RUS Sushkov Vladimir 2706.69
5 White Draw EST Taimla Tunnet 2764.79
6 Black Loss CHN Yang Yanxi 2618.31
7 White Win CHN Lan Zhiren 2515.67
8 White Win CHN Cao Dong 2632.98
9 White Loss CHN Yang Yanxi 2618.31
10 White Loss CHN Lan Zhiren 2515.67
7th Kansai Championship final match
Date 2012-04-01 Rating 2711.08
Round Color Result Opponent
1 Black Win JPN Kise Katsumi 2474.87
2 Black Win JPN Kise Katsumi 2474.87
15th Mikami Cup Tournament
Date 2012-03-11 Rating 2710.85
Round Color Result Opponent
S1 White Win JPN Isobe Taizan 2349.98
S2 Black Win JPN Mitsumori Masao 2297.62
S3 Black Win JPN Nakamura Shigeru 2794.91
S4 White Win JPN Ishitani Shin-ichi 2308.54
S5 Black Win JPN Kobayashi Koichi 2151.21
12 Kanto Renju Emperor Tournament final match
Date 2012-02-12 Rating 2708.59
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2793.79
2 Black Draw JPN Nakamura Shigeru 2793.79
3 White Draw JPN Nakamura Shigeru 2793.79
7th All Japan Championship
Date 2012-01-29 Rating 2707.60
Round Color Result Opponent
1 Black Win JPN Fukui Nobuhiro 2413.09
2 White Win JPN Kudomi Takahiro 2345.00
3 White Win JPN Isobe Taizan 2350.67
4 White Loss JPN Nakamura Shigeru 2793.08
5 Black Win JPN Mitsumori Masao 2300.30
6 Black Win JPN Okabe Hiroshi 2623.96
12 Kanto Renju Emperor Tournament 2nd round
Date 2012-01-15 Rating 2706.13
Round Color Result Opponent
1 Black Draw JPN Nakamura Shigeru 2791.46
2 Black Win JPN Nakayama Tomoharu 2524.41
3 White Win JPN Kamiya Shunsuke 2403.64
4 Black Win JPN Mitsumori Masao 2299.99
5 White Win JPN Okabe Hiroshi 2624.78
49 Meijinsen Match R3,R4
Date 2011-12-18 Rating 2701.10
Round Color Result Opponent
3 Black Draw JPN Yamaguchi Yusui 2562.12
4 Black Win JPN Yamaguchi Yusui 2562.12
43 Kyoto Classified Tournament
Date 2011-11-13 Rating 2694.49
Round Color Result Opponent
S1 White Win JPN Okumura Toyohiko 2275.26
S2 White Win JPN Sakamoto Hirouji 2268.00
S3 Black Win JPN Ishitani Shin-ichi 2321.96
S4 White Loss JPN Okabe Hiroshi 2628.27
S5 White Win JPN Hasegawa Kazuto 2492.31
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2690.67
Round Color Result Opponent
1 White Win JPN Koyama Jun 2394.78
2 White Win JPN Ishitani Shin-ichi 2322.09
3 White Win JPN Kamiya Shunsuke 2392.73
4 White Win JPN Nakayama Tomoharu 2512.37
49 Meijinsen Match R1,R2
Date 2011-10-16 Rating 2689.05
Round Color Result Opponent
1 Black Loss JPN Yamaguchi Yusui 2562.30
2 Black Win JPN Yamaguchi Yusui 2562.30
World Championship AT
Date 2011-08-10 Rating 2675.22
Round Color Result Opponent
1 Black Loss SWE Andersson Tord 2359.24
2 Black Loss HKG Huang Jinxian 2548.97
3 Black Loss RUS Sushkov Vladimir 2700.42
4 White Draw JPN Okabe Hiroshi 2625.43
5 Black Draw TPE Lin Huang-Yu 2694.85
6 White Win RUS Artemyev Sergey 2524.16
7 White Win TPE Hou I-Cheng 2424.36
8 Black Win CHN Dai Xiaohan 2630.03
9 White Win EST Oll Aivo 2631.24
10 Black Draw CHN Cao Dong 2636.63
11 Black Draw EST Taimla Tunnet 2727.62
28th Kanto Championship
Date 2011-05-22 Rating 2662.66
Round Color Result Opponent
1 Black Draw JPN Kato Yasuhiro 2011.80
2 Black Draw JPN Kamiya Shunsuke 2375.43
3 Black Loss JPN Fukui Nobuhiro 2356.09
4 Black Win JPN Iwano Fumio 2082.21
5 Black Win JPN Tamada Yoichi 2427.22
6th All Japan Championship
Date 2011-03-27 Rating 2659.82
Round Color Result Opponent
1 Black Win JPN Miyagawa Junzo 2151.71
2 White Loss JPN Tamada Yoichi 2431.14
3 Black Win JPN Koiso Shigemasa 2092.59
4 Black Win JPN Mano Yoshihisa 2217.84
5 Black Win JPN Sato Kiyotomi 2322.90
6 Black Win JPN Okabe Hiroshi 2617.56
6th Kansai Championship final match
Date 2011-03-20 Rating 2659.50
Round Color Result Opponent
1 Black Win JPN Iio Yoshihiro 2430.81
2 Black Win JPN Iio Yoshihiro 2430.81
14th Mikami Cup Tournament
Date 2011-01-30 Rating 2655.71
Round Color Result Opponent
S1 White Win JPN Isobe Taizan 2339.90
S2 Black Win JPN Mitsumori Masao 2277.86
S3 Black Win JPN Nakamura Shigeru 2769.22
S4 Black Win JPN Ono Takayuki 2330.55
S5 White Win JPN Ishitani Shin-ichi 2318.60
6th Kansai Championship 3rd round
Date 2011-01-09 Rating 2652.27
Round Color Result Opponent
1 Black Win JPN Hata Masayuki 2125.54
2 White Win JPN Miyagawa Junzo 2155.47
3 White Win JPN Kubo Izumi 2031.67
48 Meijinsen Match R3,R4,R5
Date 2010-12-26 Rating 2649.85
Round Color Result Opponent
3 White Win JPN Hasegawa Kazuto 2536.74
4 Black Draw JPN Hasegawa Kazuto 2536.74
5 Black Win JPN Hasegawa Kazuto 2536.74
42 Kyoto Classified Tournament
Date 2010-11-14 Rating 2640.94
Round Color Result Opponent
S1 Black Win JPN Miyoshi Takeo 2076.97
S2 Black Win JPN Okumura Toyohiko 2284.79
S3 Black Draw JPN Hasegawa Kazuto 2545.67
S4 Black Win JPN Kudomi Takahiro 2322.57
S5 Black Win JPN Okabe Hiroshi 2610.63
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2637.34
Round Color Result Opponent
1 Black Win JPN Maruta Hiroki 2057.45
2 White Win JPN Kudomi Takahiro 2322.09
4 White Draw JPN Okabe Hiroshi 2610.67
48 Meijinsen Match R1,R2
Date 2010-10-17 Rating 2633.59
Round Color Result Opponent
1 White Win JPN Hasegawa Kazuto 2551.44
2 Black Loss JPN Hasegawa Kazuto 2551.44
48th Meijinsen Tournament
Date 2010-09-20 Rating 2626.83
Round Color Result Opponent
1 White Win JPN Ishitani Shin-ichi 2315.12
2 Black Win JPN Koiso Shigemasa 2097.99
3 White Win JPN Okabe Hiroshi 2610.07
4 Black Draw JPN Kawano Takahisa 2261.71
5 White Loss JPN Sakamoto Hirouji 2255.25
6 Black Draw JPN Tamada Yoichi 2415.20
7 Black Win JPN Matsuura Hiroshi 2281.46
8 Black Win JPN Yamaguchi Yusui 2508.57
9 Black Win JPN Iio Yoshihiro 2442.67
27th Kanto Championship
Date 2010-05-23 Rating 2598.37
Round Color Result Opponent
1 Black Win JPN Tada Ayako 2168.32
2 Black Win JPN Yamaguchi Yusui 2499.35
3 Black Win JPN Kawamura Norihiko 2531.78
4 Black Loss JPN Nakamura Shigeru 2761.30
5 White Loss JPN Okabe Hiroshi 2613.02
Team World Championship
Date 2010-05-05 Rating 2593.99
Round Color Result Opponent
1 White Loss JPN Nakamura Shigeru 2759.49
2 White Loss CHN Li Yi 2634.52
3 White Win RUS Sushkov Vladimir 2688.73
4 White Loss EST Taimla Tunnet 2732.67
6 White Loss TPE Lin Shu-Hsuan 2533.63
7 Black Win UKR Piddubny Konstantin 2201.87
8 Black Win UKR Piddubny Konstantin 2201.87
9 White Win EST Väljataga Paul 2333.31
10 White Draw RUS Sushkov Vladimir 2688.73
5th Kansai Championship final match
Date 2010-03-28 Rating 2586.10
Round Color Result Opponent
1 Black Loss JPN Iio Yoshihiro 2442.93
2 Black Loss JPN Iio Yoshihiro 2442.93
5th All Japan Championship
Date 2010-03-21 Rating 2585.37
Round Color Result Opponent
1 Black Win JPN Maruta Hiroki 2036.35
2 White Win JPN Tamada Yoichi 2378.37
3 White Win JPN Fukui Nobuhiro 2246.28
4 Black Loss JPN Ishitani Shin-ichi 2317.78
5 White Win JPN Tamura Kazumasa 2435.03
6 White Win JPN Nagao Noriaki 2344.63
41 Kyoto Classified Tournament
Date 2009-11-08 Rating 2570.77
Round Color Result Opponent
S1 Black Win JPN Sakamoto Hirouji 2221.85
S2 Black Loss JPN Miyoshi Takeo 2101.02
S3 Black Win JPN Matsuo Toshiko 1934.98
S4 Black Win JPN Mano Yoshihisa 2255.50
S5 Black Win JPN Tamura Kazumasa 2432.64
10 Kanto Renju Emperor Tournament 1st round
Date 2009-10-04 Rating 2567.82
Round Color Result Opponent
4 Black Loss JPN Tamada Yoichi 2334.93
47th Meijinsen tournament
Date 2009-09-22 Rating 2567.51
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2247.45
2 White Win JPN Sakamoto Hirouji 2216.05
3 Black Win JPN Kataoka Mitsuaki 2146.81
4 Black Draw JPN Ishitani Shin-ichi 2292.64
5 Black Win JPN Iio Yoshihiro 2429.10
6 Black Loss JPN Kawamura Norihiko 2552.72
7 White Draw JPN Okabe Hiroshi 2582.57
8 Black Win JPN Yamaguchi Yusui 2482.50
9 White Draw JPN Tamura Kazumasa 2428.99
World Championship BT
Date 2009-08-13 Rating 2566.47
Round Color Result Opponent
1 White Win RUS Golosov Viktor 2354.76
2 Black Win EST Lents Johann 2410.29
3 White Win JPN Tamura Kazumasa 2425.45
4 Black Win TPE Yu Tien-Lung 2089.65
5 Black Loss EST Pajuste Renee 2340.57
6 White Win TPE Lin Huang-Yu 2536.36
7 White Draw CHN Yin Licheng 2497.55
8 White Win POL Nowak Pawel 2336.53
9 White Loss RUS Tarannikov Yuriy 2647.28
World Championship QT
Date 2009-08-05 Rating 2566.10
Round Color Result Opponent
1 White Win CHN Yao Jinrui 2241.82
2 White Win RUS Savrasova Yulia 2568.74
3 Black Draw CHN Cao Dong 2643.54
4 White Draw TPE Lu Wei-Yuan 2398.70
5 White Win POL Nowak Pawel 2336.38
6 White Loss TPE Chen Ko-Han 2470.32
7 White Draw CZE Nykl Ondrej 2402.47
47th Meijinsen Qualification Kansai area 2nd round
Date 2009-06-21 Rating 2564.39
Round Color Result Opponent
1 White Win JPN Kubo Izumi 2029.89
2 Black Win JPN Hata Masayuki 2126.38
3 Black Win JPN Sakamoto Hirouji 2214.44
26th Kanto Championship
Date 2009-05-17 Rating 2562.44
Round Color Result Opponent
4 White Win JPN Shimoyama Takuma 2179.88
5 Black Win JPN Kawamura Norihiko 2555.08
The 6th Shanghai Renju Meijin Invitation Tournament
Date 2009-05-03 Rating 2561.05
Round Color Result Opponent
1 Black Draw JPN Iio Yoshihiro 2413.09
2 White Loss CHN Li Yi 2607.31
3 Black Loss CHN Gu Wei 2455.00
4 Black Win CHN Xu Bin 2141.05
5 Black Win JPN Mitsumori Masao 2278.97
6 White Win JPN Isobe Taizan 2336.81
7 Black Win CHN Yu Manjiang 2444.01
4th All Japan Championship
Date 2009-03-21 Rating 2558.33
Round Color Result Opponent
1 White Win JPN Kobayashi Koichi 2043.03
2 Black Win JPN Miyoshi Takeo 2136.21
3 White Draw JPN Tamura Kazumasa 2425.14
4 Black Draw JPN Okabe Hiroshi 2567.75
5 Black Win JPN Isobe Taizan 2337.01
6 Black Draw JPN Nakamura Shigeru 2743.73
4th Kansai Championship, final match
Date 2009-03-15 Rating 2557.76
Round Color Result Opponent
1 Black Win JPN Hasegawa Kazuto 2608.82
2 Black Win JPN Hasegawa Kazuto 2608.82
4 Kansai Championship 3rd round
Date 2009-02-15 Rating 2552.72
Round Color Result Opponent
1 Black Win JPN Takashima Junya 2426.97
2 White Win JPN Iio Yoshihiro 2409.69
3 Black Win JPN Tamura Kazumasa 2418.66
12th Mikami Cup Tournament
Date 2009-01-18 Rating 2545.71
Round Color Result Opponent
S1 Black Win JPN Mitsumori Masao 2270.63
46th Meijinsen Tournament
Date 2008-09-15 Rating 2512.84
Round Color Result Opponent
1 Black Loss JPN Yamaguchi Yusui 2481.15
2 White Loss JPN Iio Yoshihiro 2423.06
3 Black Win JPN Kataoka Mitsuaki 2116.24
4 White Win JPN Sato Kiyotomi 2308.71
5 White Loss JPN Okabe Hiroshi 2571.01
6 White Draw JPN Ishitani Shin-ichi 2281.40
7 White Win JPN Hata Masayuki 2186.60
8 White Loss JPN Kawamura Norihiko 2565.42
9 White Win JPN Matsuura Hiroshi 2205.94
3rd Kansai Championship final match
Date 2008-03-16 Rating 2487.80
Round Color Result Opponent
1 White Loss JPN Hasegawa Kazuto 2646.41
2 White Loss JPN Hasegawa Kazuto 2646.41
3rd Kansai Championship 3rd round
Date 2008-01-13 Rating 2481.86
Round Color Result Opponent
1 Black Win JPN Tamura Kazumasa 2352.19
2 White Win JPN Takagawa Teiji 2167.68
3 Black Win JPN Iio Yoshihiro 2437.93
3 Kansai Championship 2nd round
Date 2007-10-21 Rating 2468.33
Round Color Result Opponent
1 White Win JPN Ozawa Tetsushi 2015.84
2 White Win JPN Koiso Shigemasa 2087.00
3 Black Win JPN Tamura Kazumasa 2348.34
4 White Win JPN Takagawa Teiji 2175.19
The 45th Meijin-sen Tournament
Date 2007-09-17 Rating 2461.18
Round Color Result Opponent
1 Black Win JPN Sato Kiyotomi 2260.40
2 White Loss JPN Yamaguchi Yusui 2533.25
3 Black Win JPN Matsuura Hiroshi 2183.26
4 White Win JPN Kawamura Norihiko 2542.72
5 White Loss JPN Isobe Taizan 2323.22
6 White Win JPN Miyoshi Takeo 2185.02
7 Black Win JPN Okabe Hiroshi 2520.23
8 Black Draw JPN Iio Yoshihiro 2439.76
World Championship BT
Date 2007-08-15 Rating 2452.64
Round Color Result Opponent
2 White Win RUS Serdyukov Egor 2395.39
3 White Draw TPE Lu Wei-Yuan 2368.55
4 White Win RUS Nokhrin Oleg 2275.01
5 White Win SWE Eriksson Marcus 2224.04
6 White Loss TPE Lin Huang-Yu 2447.13
7 White Win RUS Karasyov Maxim 2411.61
8 White Win RUS Sorokina Oksana 2361.31
9 Black Win JPN Ishitani Shin-ichi 2259.74
World Championship QT
Date 2007-08-08 Rating 2450.14
Round Color Result Opponent
1 White Loss CHN Qiu Yunfei 2399.76
2 White Win SWE Eriksson Bjorn 2255.75
3 White Win JPN Miyagawa Junzo 2160.27
4 White Loss JPN Okabe Hiroshi 2513.56
5 White Draw RUS Dvoeglazov Vladimir 2278.00
6 White Loss RUS Savrasova Yulia 2572.12
7 Black Win TPE Lu Wei-Yuan 2368.02
45th Meijinsen Qualification Kansai area final round
Date 2007-06-17 Rating 2434.45
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2197.80
2 Black Win JPN Hata Masayuki 2194.32
3 White Loss JPN Iio Yoshihiro 2435.69
45th Meijinsen Qualification Kansai area - 1st round
Date 2007-05-13 Rating 2424.14
Round Color Result Opponent
1 White Win JPN Miyagawa Junzo 2148.94
2 Black Win JPN Sakamoto Hirouji 2198.98
3 White Win JPN Takagawa Teiji 2183.90
4 White Win JPN Ozawa Tetsushi 2027.59
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2407.23
Round Color Result Opponent
1 White Loss JPN Tanno Yoshitaka 2051.09
2 White Win JPN Kato Yasuhiro 1877.17
4 White Win JPN Nagao Noriaki 2245.68
5 Black Win JPN Miyagawa Junzo 2144.22
6 White Loss JPN Yamaguchi Yusui 2527.21
2nd Kansai Championship 3rd round
Date 2007-01-14 Rating 2386.78
Round Color Result Opponent
1 White Loss JPN Iio Yoshihiro 2429.91
2 White Loss JPN Takashima Junya 2393.79
3 White Win JPN Sagara Takashi 2394.36
2nd Kansai Championship 2nd round
Date 2006-10-15 Rating 2363.01
Round Color Result Opponent
1 White Win JPN Iio Yoshihiro 2427.15
2 Black Win JPN Sakamoto Hirouji 2190.38
3 Black Loss JPN Sagara Takashi 2397.52
4 Black Win JPN Koiso Shigemasa 2078.51
The 44th Meijin-sen Tournament
Date 2006-09-18 Rating 2354.81
Round Color Result Opponent
1 Black Loss JPN Sato Kiyotomi 2279.50
2 White Win JPN Matsuura Hiroshi 2185.11
3 White Loss JPN Fujii Naoki 1977.65
4 Black Draw JPN Kawamura Norihiko 2568.70
5 Black Loss JPN Yamaguchi Yusui 2513.67
6 White Loss JPN Iio Yoshihiro 2426.73
7 White Win JPN Nagao Noriaki 2228.73
8 White Draw JPN Okabe Hiroshi 2481.95
9 Black Win JPN Ishitani Shin-ichi 2242.15
Asian Championship
Date 2006-08-15 Rating 2346.49
Round Color Result Opponent
1 White Draw KOR Lee Jo-Sub 2286.85
2 Black Win KOR Kim Hong Soon 2048.04
3 White Loss JPN Iio Yoshihiro 2426.55
4 Black Win KOR Kwon Jae-Woo 1875.70
5 Black Loss KOR Park Eol 2195.00
6 Black Win JPN Kashihara Akihiko 2222.21
7 White Win TPE Pu Hsun-Fang 1929.44
8 Black Win KOR Kim Chang-Hoon 2452.60
Youth World Championship
Date 2006-08-08 Rating 2344.72
Round Color Result Opponent
a1 Black Loss CHN Zhang Cheng 2378.71
a2 Black Win JPN Maruta Hiroki 1922.95
a3 Black Win SWE Blomstedt Torbjorn 2053.31
a4 Black Loss EST Oll Aivo 2556.98
a5 White Win JPN Tanizaki Ryusuke 2047.95
a6 Black Win CHN Lin Shan 2098.62
a7 White Loss CHN Wu Hao 2541.02
a8 White Loss RUS Serdyukov Egor 2324.54
Meijin-sen Qual, Kansai-Hokuriku area final round
Date 2006-06-18 Rating 2335.15
Round Color Result Opponent
1 White Loss JPN Iio Yoshihiro 2425.13
2 Black Win JPN Hata Masayuki 2202.24
3 White Win JPN Takashima Junya 2378.57
Team World Championship
Date 2006-05-05 Rating 2325.24
Round Color Result Opponent
1 Black Draw FIN Haikonen Kari 2106.64
2 White Loss SWE Eriksson Bjorn 2251.85
3 White Loss EST Soosõrv Ants 2571.69
4 Black Loss RUS Karasyov Maxim 2448.09
5 White Loss CHN Zhu Jianfeng 2408.24
6 Black Loss RUS Artemyev Sergey 2540.29
7 Black Win EST Oblikas Mikk 2173.16
F1 Black Win SWE Eriksson Bjorn 2251.85
F2 Black Loss SWE Gaulitz Joachim 2370.25
The 43rd Meijin-sen Tournament
Date 2005-09-19 Rating 2303.70
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2467.36
2 White Draw JPN Ishitani Shin-ichi 2265.15
3 White Loss JPN Yamaguchi Yusui 2469.58
4 White Win JPN Takashima Junya 2362.10
5 White Win JPN Sato Kiyotomi 2238.58
6 White Win JPN Kawate Kozo 1963.09
7 White Loss JPN Hasegawa Kazuto 2612.15
8 White Loss JPN Matsuura Hiroshi 2209.88
9 Black Win JPN Tanaka Koichi 2116.86
World Championship QT
Date 2005-07-31 Rating 2299.06
Round Color Result Opponent
1 White Loss JPN Iio Yoshihiro 2403.49
2 White Win TPE Wang Chih-Kung 2132.99
3 White Loss SWE Andersson Tord 2277.70
4 White Loss EST Lents Johann 2422.76
5 White Win ARM Poghosyan Albert 2280.07
6 Black Loss RUS Kozhin Mikhail 2477.19
7 White Win JPN Yamaguchi Yusui 2461.99
1st Kansai Championship 1st round
Date 2005-07-10 Rating 2297.13
Round Color Result Opponent
1 White Win JPN Masutani Hiroshi 1957.70
2 White Loss JPN Ozawa Tetsushi 2056.33
3 Black Loss JPN Tsujibayashi Taro 2073.32
4 White Win JPN Ishibashi Hiroaki 1686.88
5 White Win JPN Maki Tatsuya 1757.12
43rd Meijinsen Qualification: Kansai area 1st round
Date 2005-05-08 Rating 2297.82
Round Color Result Opponent
1 White Win JPN Adachi Yasuhiro 1762.61
2 White Win JPN Koiso Shigemasa 2096.74
3 White Win JPN Yasumoto Yoshinobu 1954.69
4 White Win JPN Takashima Junya 2338.62