Oosumi Yuuki (大角友希)
Place: Moriyama, Japan
Rating: 2654.97, Std: 194.12, Rank: -
First game: 2005-03-20, Last game: 2018-03-18
Top rating: 2798.32 (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 | 2654.97 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Iio Yoshihiro | 2482.83 |
| 2 | White | Loss | Iio Yoshihiro | 2482.83 |
| 3 | Black | Loss | Iio Yoshihiro | 2482.83 |
| 12 Kansai Championship final match | ||||
| Date | 2017-03-19 | Rating | 2687.08 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hasegawa Kazuto | 2581.80 |
| 2 | White | Loss | Hasegawa Kazuto | 2581.80 |
| 3 | Black | Win | Hasegawa Kazuto | 2581.80 |
| 11 Kansai Championship Final match | ||||
| Date | 2016-04-03 | Rating | 2716.42 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2513.34 |
| 2 | White | Win | Iio Yoshihiro | 2513.34 |
| 3 | Black | Win | Iio Yoshihiro | 2513.34 |
| 53 Meijinsen Tournament | ||||
| Date | 2015-09-22 | Rating | 2736.85 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Iio Yoshihiro | 2493.69 |
| 2 | White | Loss | Koyama Jun | 2586.90 |
| 3 | White | Win | Hasegawa Kazuto | 2622.17 |
| 4 | Black | Win | Kawamura Norihiko | 2583.33 |
| 5 | Black | Draw | Okabe Hiroshi | 2678.44 |
| 6 | White | Win | Matsuura Hiroshi | 2352.51 |
| 7 | White | Win | Ishitani Shin-ichi | 2360.14 |
| 8 | White | Loss | Nakayama Tomoharu | 2722.60 |
| 9 | Black | Draw | Tamada Yoichi | 2535.20 |
| 10 Kansai Championship final match | ||||
| Date | 2015-03-15 | Rating | 2764.57 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Iio Yoshihiro | 2485.55 |
| 2 | White | Win | Iio Yoshihiro | 2485.55 |
| 52 Meijinsen Match | ||||
| Date | 2015-01-10 | Rating | 2772.27 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Nakamura Shigeru | 2858.02 |
| 2 | Black | Draw | Nakamura Shigeru | 2858.02 |
| 3 | White | Draw | Nakamura Shigeru | 2858.02 |
| 4 | Black | Draw | Nakamura Shigeru | 2858.02 |
| 5 | White | Loss | Nakamura Shigeru | 2858.02 |
| 46 Kyoto Classified Tournament | ||||
| Date | 2014-11-09 | Rating | 2776.95 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Loss | Kawamura Norihiko | 2608.68 |
| S2 | White | Win | Fukui Nobuhiro | 2572.53 |
| S3 | Black | Win | Miyagawa Junzo | 2197.46 |
| S4 | Black | Win | Iio Yoshihiro | 2480.62 |
| S5 | White | Win | Okabe Hiroshi | 2702.35 |
| 52 Meijinsen Tournament | ||||
| Date | 2014-09-15 | Rating | 2780.71 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Matsuura Hiroshi | 2320.77 |
| 2 | White | Win | Sato Kiyotomi | 2445.32 |
| 3 | Black | Win | Iio Yoshihiro | 2477.94 |
| 4 | White | Win | Fukui Nobuhiro | 2577.32 |
| 5 | Black | Win | Okabe Hiroshi | 2705.44 |
| 6 | White | Draw | Nakayama Tomoharu | 2677.78 |
| 7 | Black | Win | Hasegawa Kazuto | 2610.18 |
| 8 | Black | Draw | Tamada Yoichi | 2521.90 |
| 9 | Black | Win | Kashihara Akihiko | 2306.72 |
| Team World Championship | ||||
| Date | 2014-05-03 | Rating | 2781.49 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Kamiya Shunsuke | 2567.15 |
| 2 | Black | Loss | Lin Huang-Yu | 2764.93 |
| 3 | Black | Win | Soosõrv Ants | 2704.82 |
| 4 | White | Win | Nikonov Konstantin | 2676.39 |
| 5 | White | Win | Huang Yen-Hua | 2343.62 |
| 6 | Black | Win | Mitsumori Masao | 2303.11 |
| 7 | White | Loss | Lin Huang-Yu | 2764.93 |
| 9 | White | Win | Nikonov Konstantin | 2676.39 |
| 10 | Black | Win | Chang Chia-Cheng | 2148.92 |
| 9th Kansai Championship final match | ||||
| Date | 2014-04-06 | Rating | 2781.78 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Iio Yoshihiro | 2502.11 |
| 2 | Black | Loss | Iio Yoshihiro | 2502.11 |
| 3 | White | Win | Iio Yoshihiro | 2502.11 |
| 4 | White | Win | Iio Yoshihiro | 2502.11 |
| 9th All Japan Championship | ||||
| Date | 2014-01-26 | Rating | 2786.85 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Maruyama Yasushi | 2257.82 |
| 2 | Black | Draw | Iio Yoshihiro | 2503.40 |
| 3 | Black | Win | Tamura Kazumasa | 2493.71 |
| 4 | Black | Draw | Okabe Hiroshi | 2715.29 |
| 5 | Black | Win | Ono Takayuki | 2342.65 |
| 6 | White | Win | Fukui Nobuhiro | 2567.75 |
| 51 Meijinsen Match R3 R4 | ||||
| Date | 2013-12-22 | Rating | 2789.24 | |
| Round | Color | Result | Opponent | |
| 3 | White | Draw | Nakamura Shigeru | 2850.72 |
| 4 | Black | Loss | Nakamura Shigeru | 2850.72 |
| 45 Kyoto Classified Tournament | ||||
| Date | 2013-11-10 | Rating | 2793.12 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Mano Yoshihisa | 2283.10 |
| S2 | White | Draw | Okabe Hiroshi | 2714.04 |
| S3 | Black | Win | Hasegawa Kazuto | 2588.83 |
| S4 | Black | Win | Ishitani Shin-ichi | 2387.96 |
| S5 | Black | Win | Fukui Nobuhiro | 2558.52 |
| 51 Meijinsen Match R1 R2 | ||||
| Date | 2013-10-20 | Rating | 2794.33 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Nakamura Shigeru | 2847.08 |
| 2 | White | Loss | Nakamura Shigeru | 2847.08 |
| 51 Meijinsen Tournament | ||||
| Date | 2013-09-16 | Rating | 2797.18 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Kawano Takahisa | 2346.44 |
| 2 | White | Win | Mano Yoshihisa | 2283.38 |
| 3 | White | Draw | Hasegawa Kazuto | 2586.22 |
| 4 | White | Win | Sato Kiyotomi | 2433.53 |
| 5 | White | Draw | Kamiya Shunsuke | 2525.66 |
| 6 | White | Win | Kawate Kozo | 2163.39 |
| 7 | White | Win | Okabe Hiroshi | 2711.02 |
| 8 | White | Win | Hata Masayuki | 2217.91 |
| 9 | Black | Win | Yamaguchi Yusui | 2567.64 |
| ex | White | Win | Okabe Hiroshi | 2711.02 |
| World Championship AT | ||||
| Date | 2013-08-14 | Rating | 2798.32 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Taimla Tunnet | 2825.87 |
| 2 | Black | Win | Epifanov Dmitry | 2638.55 |
| 3 | White | Win | Salnikov Pavel | 2563.87 |
| 4 | White | Win | Oll Aivo | 2698.62 |
| 5 | Black | Draw | Okabe Hiroshi | 2707.78 |
| 6 | White | Loss | Cao Dong | 2710.96 |
| 7 | White | Win | Wang Qingqing | 2607.48 |
| 8 | Black | Win | Chen Ko-Han | 2638.02 |
| 9 | Black | Win | Lan Zhiren | 2592.46 |
| 10 | White | Draw | Hõbemägi Martin | 2545.68 |
| 11 | Black | Win | Sushkov Vladimir | 2781.36 |
| 8th Kansai Championship final match | ||||
| Date | 2013-05-12 | Rating | 2797.58 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hasegawa Kazuto | 2577.29 |
| 2 | White | Win | Hasegawa Kazuto | 2577.29 |
| 8th All Japan Championship | ||||
| Date | 2013-03-24 | Rating | 2795.60 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tada Ayako | 2259.04 |
| 2 | Black | Win | Nagao Noriaki | 2350.14 |
| 3 | Black | Win | Kudomi Takahiro | 2378.26 |
| 4 | White | Draw | Nakamura Shigeru | 2834.08 |
| 5 | Black | Win | Ishitani Shin-ichi | 2350.25 |
| 6 | Black | Win | Okabe Hiroshi | 2694.92 |
| ex | Black | Win | Nakamura Shigeru | 2834.08 |
| 50 Meijinsen Match R5 | ||||
| Date | 2013-01-27 | Rating | 2788.19 | |
| Round | Color | Result | Opponent | |
| 5 | Black | Loss | Nakamura Shigeru | 2840.18 |
| 50 Meijinsen Match R3,R4 | ||||
| Date | 2012-12-23 | Rating | 2784.66 | |
| Round | Color | Result | Opponent | |
| 3 | White | Draw | Nakamura Shigeru | 2841.84 |
| 4 | White | Loss | Nakamura Shigeru | 2841.84 |
| 44 Kyoto Classified Tournament | ||||
| Date | 2012-11-11 | Rating | 2781.47 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Fukui Nobuhiro | 2515.72 |
| S2 | White | Win | Ono Takayuki | 2385.91 |
| S3 | White | Win | Kudomi Takahiro | 2382.55 |
| S4 | White | Draw | Hasegawa Kazuto | 2566.24 |
| S5 | White | Win | Okabe Hiroshi | 2680.94 |
| 50 Meijinsen Match R1,R2 | ||||
| Date | 2012-10-21 | Rating | 2779.19 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Nakamura Shigeru | 2841.98 |
| 2 | Black | Draw | Nakamura Shigeru | 2841.98 |
| Team World Championship | ||||
| Date | 2012-05-06 | Rating | 2752.41 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Cao Dong | 2667.08 |
| 3 | Black | Loss | Sushkov Vladimir | 2749.80 |
| 5 | White | Draw | Taimla Tunnet | 2808.64 |
| 6 | Black | Loss | Yang Yanxi | 2642.90 |
| 7 | White | Win | Lan Zhiren | 2541.10 |
| 8 | White | Win | Cao Dong | 2667.08 |
| 9 | White | Loss | Yang Yanxi | 2642.90 |
| 10 | White | Loss | Lan Zhiren | 2541.10 |
| 7th Kansai Championship final match | ||||
| Date | 2012-04-01 | Rating | 2753.37 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Kise Katsumi | 2519.27 |
| 2 | Black | Win | Kise Katsumi | 2519.27 |
| 15th Mikami Cup Tournament | ||||
| Date | 2012-03-11 | Rating | 2753.30 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Isobe Taizan | 2387.77 |
| S2 | Black | Win | Mitsumori Masao | 2329.83 |
| S3 | Black | Win | Nakamura Shigeru | 2842.50 |
| S4 | White | Win | Ishitani Shin-ichi | 2349.25 |
| S5 | Black | Win | Kobayashi Koichi | 2185.37 |
| 12 Kanto Renju Emperor Tournament final match | ||||
| Date | 2012-02-12 | Rating | 2751.25 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Nakamura Shigeru | 2841.89 |
| 2 | Black | Draw | Nakamura Shigeru | 2841.89 |
| 3 | White | Draw | Nakamura Shigeru | 2841.89 |
| 7th All Japan Championship | ||||
| Date | 2012-01-29 | Rating | 2750.35 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Fukui Nobuhiro | 2455.75 |
| 2 | White | Win | Kudomi Takahiro | 2389.70 |
| 3 | White | Win | Isobe Taizan | 2388.52 |
| 4 | White | Loss | Nakamura Shigeru | 2841.47 |
| 5 | Black | Win | Mitsumori Masao | 2332.06 |
| 6 | Black | Win | Okabe Hiroshi | 2668.52 |
| 12 Kanto Renju Emperor Tournament 2nd round | ||||
| Date | 2012-01-15 | Rating | 2748.95 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Nakamura Shigeru | 2840.15 |
| 2 | Black | Win | Nakayama Tomoharu | 2565.07 |
| 3 | White | Win | Kamiya Shunsuke | 2430.49 |
| 4 | Black | Win | Mitsumori Masao | 2331.56 |
| 5 | White | Win | Okabe Hiroshi | 2669.54 |
| 49 Meijinsen Match R3,R4 | ||||
| Date | 2011-12-18 | Rating | 2744.10 | |
| Round | Color | Result | Opponent | |
| 3 | Black | Draw | Yamaguchi Yusui | 2612.04 |
| 4 | Black | Win | Yamaguchi Yusui | 2612.04 |
| 43 Kyoto Classified Tournament | ||||
| Date | 2011-11-13 | Rating | 2737.67 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Okumura Toyohiko | 2299.99 |
| S2 | White | Win | Sakamoto Suzan | 2319.69 |
| S3 | Black | Win | Ishitani Shin-ichi | 2363.86 |
| S4 | White | Loss | Okabe Hiroshi | 2674.02 |
| S5 | White | Win | Hasegawa Kazuto | 2543.98 |
| 12 Kanto Renju Emperor Tournament 1st round | ||||
| Date | 2011-10-23 | Rating | 2733.95 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Koyama Jun | 2421.30 |
| 2 | White | Win | Ishitani Shin-ichi | 2364.23 |
| 3 | White | Win | Kamiya Shunsuke | 2417.24 |
| 4 | White | Win | Nakayama Tomoharu | 2553.03 |
| 49 Meijinsen Match R1,R2 | ||||
| Date | 2011-10-16 | Rating | 2732.37 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Yamaguchi Yusui | 2612.67 |
| 2 | Black | Win | Yamaguchi Yusui | 2612.67 |
| World Championship AT | ||||
| Date | 2011-08-10 | Rating | 2718.90 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Andersson Tord | 2407.13 |
| 2 | Black | Loss | Huang Jin-xian | 2574.81 |
| 3 | Black | Loss | Sushkov Vladimir | 2746.62 |
| 4 | White | Draw | Okabe Hiroshi | 2672.71 |
| 5 | Black | Draw | Lin Huang-Yu | 2739.70 |
| 6 | White | Win | Artemyev Sergey | 2572.27 |
| 7 | White | Win | Hou I-Cheng | 2471.21 |
| 8 | Black | Win | Dai Xiaohan | 2667.86 |
| 9 | White | Win | Oll Aivo | 2677.53 |
| 10 | Black | Draw | Cao Dong | 2671.70 |
| 11 | Black | Draw | Taimla Tunnet | 2774.14 |
| 28th Kanto Championship | ||||
| Date | 2011-05-22 | Rating | 2706.85 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Kato Yasuhiro | 2045.80 |
| 2 | Black | Draw | Kamiya Shunsuke | 2395.35 |
| 3 | Black | Loss | Fukui Nobuhiro | 2402.16 |
| 4 | Black | Win | Iwano Fumio | 2112.24 |
| 5 | Black | Win | Tamada Yoichi | 2468.86 |
| 6th All Japan Championship | ||||
| Date | 2011-03-27 | Rating | 2704.46 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Miyagawa Junzo | 2194.79 |
| 2 | White | Loss | Tamada Yoichi | 2473.07 |
| 3 | Black | Win | Koiso Shigemasa | 2142.02 |
| 4 | Black | Win | Mano Yoshihisa | 2254.84 |
| 5 | Black | Win | Sato Kiyotomi | 2382.09 |
| 6 | Black | Win | Okabe Hiroshi | 2668.55 |
| 6th Kansai Championship final match | ||||
| Date | 2011-03-20 | Rating | 2704.19 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Iio Yoshihiro | 2480.75 |
| 2 | Black | Win | Iio Yoshihiro | 2480.75 |
| 14th Mikami Cup Tournament | ||||
| Date | 2011-01-30 | Rating | 2700.70 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Isobe Taizan | 2380.66 |
| S2 | Black | Win | Mitsumori Masao | 2302.64 |
| S3 | Black | Win | Nakamura Shigeru | 2827.73 |
| S4 | Black | Win | Ono Takayuki | 2367.68 |
| S5 | White | Win | Ishitani Shin-ichi | 2365.11 |
| 6th Kansai Championship 3rd round | ||||
| Date | 2011-01-09 | Rating | 2697.40 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hata Masayuki | 2169.22 |
| 2 | White | Win | Miyagawa Junzo | 2199.16 |
| 3 | White | Win | Kubo Izumi | 2083.59 |
| 48 Meijinsen Match R3,R4,R5 | ||||
| Date | 2010-12-26 | Rating | 2695.07 | |
| Round | Color | Result | Opponent | |
| 3 | White | Win | Hasegawa Kazuto | 2595.28 |
| 4 | Black | Draw | Hasegawa Kazuto | 2595.28 |
| 5 | Black | Win | Hasegawa Kazuto | 2595.28 |
| 42 Kyoto Classified Tournament | ||||
| Date | 2010-11-14 | Rating | 2686.26 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Miyoshi Takeo | 2116.31 |
| S2 | Black | Win | Okumura Toyohiko | 2306.89 |
| S3 | Black | Draw | Hasegawa Kazuto | 2605.39 |
| S4 | Black | Win | Kudomi Takahiro | 2380.74 |
| S5 | Black | Win | Okabe Hiroshi | 2665.54 |
| 11 Kanto Renju Emperor Tournament 1st round | ||||
| Date | 2010-10-31 | Rating | 2682.66 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Maruta Hiroki | 2085.01 |
| 2 | White | Win | Kudomi Takahiro | 2380.21 |
| 3 | White | Win | Isobe Taizan | 2378.87 |
| 4 | White | Draw | Okabe Hiroshi | 2665.63 |
| 48 Meijinsen Match R1,R2 | ||||
| Date | 2010-10-17 | Rating | 2678.74 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Hasegawa Kazuto | 2612.02 |
| 2 | Black | Loss | Hasegawa Kazuto | 2612.02 |
| 48th Meijinsen Tournament | ||||
| Date | 2010-09-20 | Rating | 2671.56 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Ishitani Shin-ichi | 2364.59 |
| 2 | Black | Win | Koiso Shigemasa | 2149.46 |
| 3 | White | Win | Okabe Hiroshi | 2665.32 |
| 4 | Black | Draw | Kawano Takahisa | 2303.49 |
| 5 | White | Loss | Sakamoto Suzan | 2317.67 |
| 6 | Black | Draw | Tamada Yoichi | 2456.41 |
| 7 | Black | Win | Matsuura Hiroshi | 2356.87 |
| 8 | Black | Win | Yamaguchi Yusui | 2566.08 |
| 9 | Black | Win | Iio Yoshihiro | 2495.69 |
| 27th Kanto Championship | ||||
| Date | 2010-05-23 | Rating | 2640.64 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tada Ayako | 2165.15 |
| 2 | Black | Win | Yamaguchi Yusui | 2560.26 |
| 3 | Black | Win | Kawamura Norihiko | 2569.44 |
| 4 | Black | Loss | Nakamura Shigeru | 2828.11 |
| 5 | White | Loss | Okabe Hiroshi | 2669.31 |
| Team World Championship | ||||
| Date | 2010-05-05 | Rating | 2635.82 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Nakamura Shigeru | 2826.94 |
| 2 | White | Loss | Li Yi | 2660.42 |
| 3 | White | Win | Sushkov Vladimir | 2741.95 |
| 4 | White | Loss | Taimla Tunnet | 2786.38 |
| 6 | White | Loss | Lin Shu-Hsuan | 2578.88 |
| 7 | Black | Win | Piddubny Konstantin | 2264.02 |
| 8 | Black | Win | Piddubny Konstantin | 2264.02 |
| 9 | White | Win | Väljataga Paul | 2383.97 |
| 10 | White | Draw | Sushkov Vladimir | 2741.95 |
| 5th Kansai Championship final match | ||||
| Date | 2010-03-28 | Rating | 2626.77 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Iio Yoshihiro | 2499.03 |
| 2 | Black | Loss | Iio Yoshihiro | 2499.03 |
| 5th All Japan Championship | ||||
| Date | 2010-03-21 | Rating | 2625.80 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Maruta Hiroki | 2065.53 |
| 2 | White | Win | Tamada Yoichi | 2413.97 |
| 3 | White | Win | Fukui Nobuhiro | 2305.85 |
| 4 | Black | Loss | Ishitani Shin-ichi | 2369.30 |
| 5 | White | Win | Tamura Kazumasa | 2483.60 |
| 6 | White | Win | Nagao Noriaki | 2340.76 |
| 40th Kyoto Classified - Special class | ||||
| Date | 2009-11-09 | Rating | 2607.04 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Okumura Toyohiko | 2304.54 |
| 2 | White | Win | Kubo Izumi | 2092.60 |
| 3 | White | Loss | Hasegawa Kazuto | 2671.26 |
| 4 | White | Win | Okabe Hiroshi | 2646.76 |
| 5 | Black | Draw | Ishitani Shin-ichi | 2349.92 |
| 41 Kyoto Classified Tournament | ||||
| Date | 2009-11-08 | Rating | 2606.89 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Sakamoto Suzan | 2296.80 |
| S2 | Black | Loss | Miyoshi Takeo | 2143.87 |
| S3 | Black | Win | Matsuo Toshiko | 1961.72 |
| S4 | Black | Win | Mano Yoshihisa | 2290.40 |
| S5 | Black | Win | Tamura Kazumasa | 2480.19 |
| 10 Kanto Renju Emperor Tournament 1st round | ||||
| Date | 2009-10-04 | Rating | 2602.62 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tomobe Katsuhiro | 2133.62 |
| 2 | Black | Win | Tanji Hiroki | 2029.47 |
| 3 | White | Loss | Okabe Hiroshi | 2646.15 |
| 4 | Black | Loss | Tamada Yoichi | 2365.17 |
| 47th Meijinsen tournament | ||||
| Date | 2009-09-22 | Rating | 2602.17 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Matsuura Hiroshi | 2338.91 |
| 2 | White | Win | Sakamoto Suzan | 2289.45 |
| 3 | Black | Win | Kataoka Mitsuaki | 2237.87 |
| 4 | Black | Draw | Ishitani Shin-ichi | 2349.67 |
| 5 | Black | Win | Iio Yoshihiro | 2488.61 |
| 6 | Black | Loss | Kawamura Norihiko | 2604.20 |
| 7 | White | Draw | Okabe Hiroshi | 2645.81 |
| 8 | Black | Win | Yamaguchi Yusui | 2553.96 |
| 9 | White | Draw | Tamura Kazumasa | 2478.40 |
| World Championship BT | ||||
| Date | 2009-08-13 | Rating | 2599.81 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Golosov Viktor | 2416.35 |
| 2 | Black | Win | Lents Johann | 2467.86 |
| 3 | White | Win | Tamura Kazumasa | 2475.97 |
| 4 | Black | Win | Yu Tien-Lung | 2134.79 |
| 5 | Black | Loss | Pajuste Renee | 2389.82 |
| 6 | White | Win | Lin Huang-Yu | 2588.53 |
| 7 | White | Draw | Yin Licheng | 2473.74 |
| 8 | White | Win | Nowak Paweł | 2407.26 |
| 9 | White | Loss | Tarannikov Yuriy | 2702.01 |
| World Championship QT | ||||
| Date | 2009-08-05 | Rating | 2599.10 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Yao Jinrui | 2317.21 |
| 2 | White | Win | Savrasova Yulia | 2629.66 |
| 3 | Black | Draw | Cao Dong | 2675.99 |
| 4 | White | Draw | Lu Wei-Yuan | 2451.57 |
| 5 | White | Win | Nowak Paweł | 2407.29 |
| 6 | White | Loss | Chen Ko-Han | 2527.99 |
| 7 | White | Draw | Nykl Ondřej | 2513.92 |
| 47th Meijinsen Qualification Kansai area 2nd round | ||||
| Date | 2009-06-21 | Rating | 2594.62 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Kubo Izumi | 2094.00 |
| 2 | Black | Win | Hata Masayuki | 2169.22 |
| 3 | Black | Win | Sakamoto Suzan | 2285.17 |
| 26th Kanto Championship | ||||
| Date | 2009-05-17 | Rating | 2590.42 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tanji Hiroki | 2017.87 |
| 2 | Black | Win | Mitsumori Masao | 2314.82 |
| 3 | Black | Loss | Isobe Taizan | 2384.96 |
| 4 | White | Win | Shimoyama Takuma | 2221.18 |
| 5 | Black | Win | Kawamura Norihiko | 2611.91 |
| The 6th Shanghai Renju Meijin Invitation Tournament | ||||
| Date | 2009-05-03 | Rating | 2588.65 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Iio Yoshihiro | 2471.62 |
| 2 | White | Loss | Li Yi | 2624.07 |
| 3 | Black | Loss | Gu Wei | 2494.29 |
| 4 | Black | Win | Xu Bin | 2191.35 |
| 5 | Black | Win | Mitsumori Masao | 2315.12 |
| 6 | White | Win | Isobe Taizan | 2384.62 |
| 7 | Black | Win | Yu Manjiang | 2494.83 |
| 4th All Japan Championship | ||||
| Date | 2009-03-21 | Rating | 2584.44 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Kobayashi Koichi | 2101.34 |
| 2 | Black | Win | Miyoshi Takeo | 2189.88 |
| 3 | White | Draw | Tamura Kazumasa | 2478.47 |
| 4 | Black | Draw | Okabe Hiroshi | 2642.92 |
| 5 | Black | Win | Isobe Taizan | 2384.16 |
| 6 | Black | Draw | Nakamura Shigeru | 2827.30 |
| 4th Kansai Championship, final match | ||||
| Date | 2009-03-15 | Rating | 2583.58 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hasegawa Kazuto | 2681.24 |
| 2 | Black | Win | Hasegawa Kazuto | 2681.24 |
| 4 Kansai Championship 3rd round | ||||
| Date | 2009-02-15 | Rating | 2576.88 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Takashima Junya | 2504.69 |
| 2 | White | Win | Iio Yoshihiro | 2468.83 |
| 3 | Black | Win | Tamura Kazumasa | 2472.47 |
| 12th Mikami Cup Tournament | ||||
| Date | 2009-01-18 | Rating | 2567.89 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Mitsumori Masao | 2308.45 |
| S2 | Black | Draw | Yamaguchi Yusui | 2553.57 |
| S3 | White | Loss | Ishitani Shin-ichi | 2370.79 |
| S4 | Black | Loss | Okabe Hiroshi | 2645.99 |
| 9th Kanto Renju Emperor Tournament, 1st round | ||||
| Date | 2008-10-26 | Rating | 2547.06 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Watanabe Yoko | 2049.53 |
| 2 | White | Loss | Nakayama Tomoharu | 2277.82 |
| 3 | Black | Loss | Tamada Yoichi | 2254.16 |
| 4 | Black | Win | Fujikawa Masaki | 2069.24 |
| 46th Meijinsen Tournament | ||||
| Date | 2008-09-15 | Rating | 2541.63 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Yamaguchi Yusui | 2562.08 |
| 2 | White | Loss | Iio Yoshihiro | 2483.92 |
| 3 | Black | Win | Kataoka Mitsuaki | 2233.66 |
| 4 | White | Win | Sato Kiyotomi | 2415.05 |
| 5 | White | Loss | Okabe Hiroshi | 2655.31 |
| 6 | White | Draw | Ishitani Shin-ichi | 2371.08 |
| 7 | White | Win | Hata Masayuki | 2225.40 |
| 8 | White | Loss | Kawamura Norihiko | 2629.09 |
| 9 | White | Win | Matsuura Hiroshi | 2310.19 |
| 3rd Kansai Championship final match | ||||
| Date | 2008-03-16 | Rating | 2533.41 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Hasegawa Kazuto | 2716.16 |
| 2 | White | Loss | Hasegawa Kazuto | 2716.16 |
| 3rd Kansai Championship 3rd round | ||||
| Date | 2008-01-13 | Rating | 2533.01 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tamura Kazumasa | 2397.95 |
| 2 | White | Win | Takagawa Teiji | 2227.73 |
| 3 | Black | Win | Iio Yoshihiro | 2500.54 |
| 39th Kyoto Classified - Special Class | ||||
| Date | 2007-11-11 | Rating | 2528.32 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Tamura Kazumasa | 2393.14 |
| 2 | Black | Win | Kudomi Takahiro | 2318.61 |
| 3 | Black | Win | Miyagawa Junzo | 2240.72 |
| 4 | Black | Loss | Okabe Hiroshi | 2622.55 |
| 5 | White | Loss | Hasegawa Kazuto | 2720.29 |
| 3 Kansai Championship 2nd round | ||||
| Date | 2007-10-21 | Rating | 2527.40 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Ozawa Tetsushi | 2019.76 |
| 2 | White | Win | Koiso Shigemasa | 2152.95 |
| 3 | Black | Win | Tamura Kazumasa | 2392.22 |
| 4 | White | Win | Takagawa Teiji | 2235.82 |
| The 45th Meijin-sen Tournament | ||||
| Date | 2007-09-17 | Rating | 2524.33 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Sato Kiyotomi | 2383.50 |
| 2 | White | Loss | Yamaguchi Yusui | 2616.56 |
| 3 | Black | Win | Matsuura Hiroshi | 2291.09 |
| 4 | White | Win | Kawamura Norihiko | 2610.58 |
| 5 | White | Loss | Isobe Taizan | 2411.18 |
| 6 | White | Win | Miyoshi Takeo | 2271.40 |
| 7 | Black | Win | Okabe Hiroshi | 2613.09 |
| 8 | Black | Draw | Iio Yoshihiro | 2506.16 |
| World Championship BT | ||||
| Date | 2007-08-15 | Rating | 2519.14 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Qiu Yunfei | 2474.87 |
| 2 | White | Win | Serdyukov Egor | 2470.55 |
| 3 | White | Draw | Lu Wei-Yuan | 2420.03 |
| 4 | White | Win | Nokhrin Oleg | 2374.41 |
| 5 | White | Win | Eriksson Marcus | 2278.86 |
| 6 | White | Loss | Lin Huang-Yu | 2508.19 |
| 7 | White | Win | Karasyov Maxim | 2482.81 |
| 8 | White | Win | Sorokina Oksana | 2453.81 |
| 9 | Black | Win | Ishitani Shin-ichi | 2366.30 |
| World Championship QT | ||||
| Date | 2007-08-08 | Rating | 2517.08 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Qiu Yunfei | 2475.73 |
| 2 | White | Win | Eriksson Bjorn | 2320.86 |
| 3 | White | Win | Miyagawa Junzo | 2246.65 |
| 4 | White | Loss | Okabe Hiroshi | 2605.65 |
| 5 | White | Draw | Dvoeglazov Vladimir | 2344.37 |
| 6 | White | Loss | Savrasova Yulia | 2661.17 |
| 7 | Black | Win | Lu Wei-Yuan | 2419.33 |
| 45th Meijinsen Qualification Kansai area final round | ||||
| Date | 2007-06-17 | Rating | 2504.37 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Sakamoto Suzan | 2274.03 |
| 2 | Black | Win | Hata Masayuki | 2203.09 |
| 3 | White | Loss | Iio Yoshihiro | 2502.45 |
| 45th Meijinsen Qualification Kansai area - 1st round | ||||
| Date | 2007-05-13 | Rating | 2496.18 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Miyagawa Junzo | 2246.45 |
| 2 | Black | Win | Sakamoto Suzan | 2274.91 |
| 3 | White | Win | Takagawa Teiji | 2245.97 |
| 4 | White | Win | Ozawa Tetsushi | 2011.15 |
| 2nd All Japan Championship (WC Qualification) | ||||
| Date | 2007-03-25 | Rating | 2482.33 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Tanno Yoshitaka | 2108.37 |
| 2 | White | Win | Kato Yasuhiro | 1965.12 |
| 3 | Black | Win | Mitsumori Masao | 2253.04 |
| 4 | White | Win | Nagao Noriaki | 2223.49 |
| 5 | Black | Win | Miyagawa Junzo | 2248.86 |
| 6 | White | Loss | Yamaguchi Yusui | 2615.68 |
| 2nd Kansai Championship 3rd round | ||||
| Date | 2007-01-14 | Rating | 2465.46 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2493.51 |
| 2 | White | Loss | Takashima Junya | 2486.39 |
| 3 | White | Win | Sagara Takashi | 2472.08 |
| 38th Kyoto Classified - Special class | ||||
| Date | 2006-11-12 | Rating | 2452.24 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Hata Masayuki | 2185.34 |
| 2 | Black | Win | Hasegawa Kazuto | 2700.61 |
| 3 | White | Loss | Takashima Junya | 2484.24 |
| 4 | Black | Win | Miyagawa Sou | 2147.53 |
| 5 | Black | Draw | Okabe Hiroshi | 2586.41 |
| 2nd Kansai Championship 2nd round | ||||
| Date | 2006-10-15 | Rating | 2444.57 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Iio Yoshihiro | 2487.41 |
| 2 | Black | Win | Sakamoto Suzan | 2269.99 |
| 3 | Black | Loss | Sagara Takashi | 2475.84 |
| 4 | Black | Win | Koiso Shigemasa | 2155.35 |
| The 44th Meijin-sen Tournament | ||||
| Date | 2006-09-18 | Rating | 2436.11 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Sato Kiyotomi | 2413.58 |
| 2 | White | Win | Matsuura Hiroshi | 2291.45 |
| 3 | White | Loss | Fujii Naoki | 2118.52 |
| 4 | Black | Draw | Kawamura Norihiko | 2637.20 |
| 5 | Black | Loss | Yamaguchi Yusui | 2608.96 |
| 6 | White | Loss | Iio Yoshihiro | 2486.98 |
| 7 | White | Win | Nagao Noriaki | 2227.47 |
| 8 | White | Draw | Okabe Hiroshi | 2579.73 |
| 9 | Black | Win | Ishitani Shin-ichi | 2350.16 |
| Asian Championship | ||||
| Date | 2006-08-15 | Rating | 2427.28 | |
| Round | Color | Result | Opponent | |
| 1 | White | Draw | Lee Jo-Sub | 2314.77 |
| 2 | Black | Win | Kim Su Chan | 2122.77 |
| 3 | White | Loss | Iio Yoshihiro | 2486.00 |
| 4 | Black | Win | Kwon Jae-Woo | 1893.27 |
| 5 | Black | Loss | Park Eol | 2238.80 |
| 6 | Black | Win | Kashihara Akihiko | 2274.79 |
| 7 | White | Win | Pu Hsun-Fang | 1953.86 |
| 8 | Black | Win | Kim Chang-Hoon | 2506.71 |
| Youth World Championship | ||||
| Date | 2006-08-08 | Rating | 2425.54 | |
| Round | Color | Result | Opponent | |
| a1 | Black | Loss | Zhang Cheng | 2440.36 |
| a2 | Black | Win | Maruta Hiroki | 1988.67 |
| a3 | Black | Win | Blomstedt Torbjorn | 2111.52 |
| a4 | Black | Loss | Oll Aivo | 2627.50 |
| a5 | White | Win | Tanizaki Ryusuke | 2109.26 |
| a6 | Black | Win | Lin Shan | 2143.88 |
| a7 | White | Loss | Wu Hao | 2578.47 |
| a8 | White | Loss | Serdyukov Egor | 2396.87 |
| Meijin-sen Qual, Kansai-Hokuriku area final round | ||||
| Date | 2006-06-18 | Rating | 2416.81 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2482.59 |
| 2 | Black | Win | Hata Masayuki | 2198.53 |
| 3 | White | Win | Takashima Junya | 2477.67 |
| Team World Championship | ||||
| Date | 2006-05-05 | Rating | 2407.96 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Haikonen Kari | 2168.37 |
| 2 | White | Loss | Eriksson Bjorn | 2322.90 |
| 3 | White | Loss | Soosõrv Ants | 2645.40 |
| 4 | Black | Loss | Karasyov Maxim | 2540.35 |
| 5 | White | Loss | Zhu Jianfeng | 2491.58 |
| 6 | Black | Loss | Artemyev Sergey | 2595.11 |
| 7 | Black | Win | Oblikas Mikk | 2240.85 |
| F1 | Black | Win | Eriksson Bjorn | 2322.90 |
| F2 | Black | Loss | Gaulitz Joachim | 2473.43 |
| 1st All Japan Championship | ||||
| Date | 2006-03-26 | Rating | 2405.34 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Nagao Noriaki | 2213.12 |
| 2 | White | Win | Kato Yasuhiro | 2034.17 |
| 3 | White | Loss | Yamaguchi Yusui | 2605.68 |
| 4 | White | Win | Sato Kiyotomi | 2390.38 |
| 5 | Black | Win | Mitsumori Masao | 2247.94 |
| 6 | Black | Loss | Takashima Junya | 2483.13 |
| 9th Mikami Cup - A Class | ||||
| Date | 2006-01-29 | Rating | 2399.64 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tomobe Katsuhiro | 2075.26 |
| 2 | White | Win | Watanabe Tatsuya | 2118.75 |
| 3 | Black | Win | Itami Yoshiyuki | 2158.64 |
| 4 | White | Win | Ono Takayuki | 2290.36 |
| 5 | Black | Win | Kato Yasuhiro | 2030.66 |
| 30th Seiun-sen Tournament. Hamamatsu area | ||||
| Date | 2006-01-15 | Rating | 2397.22 | |
| Round | Color | Result | Opponent | |
| Black | Win | Ozawa Tetsushi | 2008.12 | |
| Black | Loss | Koide Morihiro | 2072.74 | |
| Black | Win | Yamamoto Hukue | 1625.87 | |
| 37th Kyoto Classified - group 1 | ||||
| Date | 2005-11-13 | Rating | 2389.89 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Ono Takayuki | 2283.66 |
| 2 | White | Win | Hayashi Koji | 1986.98 |
| 3 | Black | Win | Koyama Jun | 2291.71 |
| 4 | White | Draw | Itami Yoshiyuki | 2166.09 |
| 5 | Black | Win | Shinoda Kiyoshi | 2328.60 |
| 6 | White | Win | Takehara Kenji | 1787.67 |
| The 43rd Meijin-sen Tournament | ||||
| Date | 2005-09-19 | Rating | 2379.55 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Okabe Hiroshi | 2565.71 |
| 2 | White | Draw | Ishitani Shin-ichi | 2376.89 |
| 3 | White | Loss | Yamaguchi Yusui | 2570.15 |
| 4 | White | Win | Takashima Junya | 2480.79 |
| 5 | White | Win | Sato Kiyotomi | 2375.39 |
| 6 | White | Win | Kawate Kozo | 2162.50 |
| 7 | White | Loss | Hasegawa Kazuto | 2671.98 |
| 8 | White | Loss | Matsuura Hiroshi | 2328.59 |
| 9 | Black | Win | Tanaka Koichi | 2311.84 |
| World Championship BT | ||||
| Date | 2005-08-05 | Rating | 2369.35 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Yamaguchi Yusui | 2563.06 |
| 2 | White | Win | Omata Mitsuo | 1716.25 |
| 3 | Black | Loss | Huang Sheng-Hsun | 2088.85 |
| 4 | White | Loss | Eriksson Marcus | 2243.51 |
| 5 | Black | Win | Saranchin Aleksandr | 2013.45 |
| 6 | White | Win | Timmermann Alvar | 2098.22 |
| 7 | White | Loss | Jonsson Peter | 2344.12 |
| 8 | White | Win | Lillemets Rauni | 2117.44 |
| 9 | Black | Win | Miyagawa Junzo | 2232.68 |
| World Championship QT | ||||
| Date | 2005-07-31 | Rating | 2368.77 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2448.66 |
| 2 | White | Win | Wang Chih-Kung | 2202.36 |
| 3 | White | Loss | Andersson Tord | 2353.33 |
| 4 | White | Loss | Lents Johann | 2508.44 |
| 5 | White | Win | Poghosyan Albert | 2354.24 |
| 6 | Black | Loss | Kozhin Mikhail | 2534.20 |
| 7 | White | Win | Yamaguchi Yusui | 2561.72 |
| 1st Kansai Championship 1st round | ||||
| Date | 2005-07-10 | Rating | 2366.29 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Masutani Hiroshi | 1824.79 |
| 2 | White | Loss | Ozawa Tetsushi | 2022.40 |
| 3 | Black | Loss | Tsujibayashi Taro | 2036.40 |
| 4 | White | Win | Ishibashi Hiroaki | 1763.80 |
| 5 | White | Win | Maki Tatsuya | 1582.80 |
| 43rd Meijinsen Qualification: Kansai area - 2nd round | ||||
| Date | 2005-06-19 | Rating | 2366.41 | |
| Round | Color | Result | Opponent | |
| Black | Loss | Takashima Junya | 2466.59 | |
| Black | Win | Tamura Kazumasa | 2338.87 | |
| Black | Win | Matsui Tsunehiro | 2152.96 | |
| 43rd Meijinsen Qualification: Kansai area 1st round | ||||
| Date | 2005-05-08 | Rating | 2365.63 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Adachi Yasuhiro | 2026.59 |
| 2 | White | Win | Koiso Shigemasa | 2192.84 |
| 3 | White | Win | Yasumoto Yoshinobu | 2010.80 |
| 4 | White | Win | Takashima Junya | 2460.66 |
| Japan WC Qualification tournament | ||||
| Date | 2005-04-03 | Rating | 2362.01 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Miyagawa Junzo | 2236.76 |
| 2 | Black | Win | Arita Nobuyoshi | 2288.60 |
| 3 | White | Win | Tamura Kazumasa | 2330.15 |
| 4 | Black | Win | Kato Yasuhiro | 2016.63 |
| 5 | Black | Loss | Okabe Hiroshi | 2558.68 |
| 6 | White | Draw | Miyoshi Takeo | 2254.08 |
| 38th Touryumon-Sen Tournament | ||||
| Date | 2005-03-20 | Rating | 2360.66 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Tsujibayashi Taro | 2032.47 |
| 2 | White | Win | Miyagawa Sou | 2112.72 |
| 3 | Black | Loss | Takashima Junya | 2452.26 |
| 4 | Black | Win | Ozawa Tetsushi | 2022.95 |
| 5 | White | Win | Sugiyama Taro | 1905.07 |
| 6 | White | Loss | Shinoda Kiyoshi | 2308.35 |