Oosumi Yuuki (大角友希)
Place: Moriyama, Japan
Birth: 1986-02-18
Rating: 2665.50, Std: 245.43, Rank: -
First game: 2005-03-20, Last game: 2018-03-18
Top rating: 2845.40 (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 | 2665.50 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Iio Yoshihiro | 2526.06 |
| 2 | White | Loss | Iio Yoshihiro | 2526.06 |
| 3 | Black | Loss | Iio Yoshihiro | 2526.06 |
| 12 Kansai Championship final match | ||||
| Date | 2017-03-19 | Rating | 2708.84 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hasegawa Kazuto | 2621.12 |
| 2 | White | Loss | Hasegawa Kazuto | 2621.12 |
| 3 | Black | Win | Hasegawa Kazuto | 2621.12 |
| 11 Kansai Championship Final match | ||||
| Date | 2016-04-03 | Rating | 2745.48 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2555.76 |
| 2 | White | Win | Iio Yoshihiro | 2555.76 |
| 3 | Black | Win | Iio Yoshihiro | 2555.76 |
| 53 Meijinsen Tournament | ||||
| Date | 2015-09-22 | Rating | 2771.11 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Iio Yoshihiro | 2529.48 |
| 2 | White | Loss | Koyama Jun | 2633.20 |
| 3 | White | Win | Hasegawa Kazuto | 2670.50 |
| 4 | Black | Win | Kawamura Norihiko | 2621.68 |
| 5 | Black | Draw | Okabe Hiroshi | 2715.53 |
| 6 | White | Win | Matsuura Hiroshi | 2397.41 |
| 7 | White | Win | Ishitani Shin-ichi | 2390.06 |
| 8 | White | Loss | Nakayama Tomoharu | 2767.13 |
| 9 | Black | Draw | Tamada Yoichi | 2580.57 |
| 10 Kansai Championship final match | ||||
| Date | 2015-03-15 | Rating | 2806.16 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Iio Yoshihiro | 2518.96 |
| 2 | White | Win | Iio Yoshihiro | 2518.96 |
| 52 Meijinsen Match | ||||
| Date | 2015-01-10 | Rating | 2815.62 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Nakamura Shigeru | 2895.73 |
| 2 | Black | Draw | Nakamura Shigeru | 2895.73 |
| 3 | White | Draw | Nakamura Shigeru | 2895.73 |
| 4 | Black | Draw | Nakamura Shigeru | 2895.73 |
| 5 | White | Loss | Nakamura Shigeru | 2895.73 |
| 46 Kyoto Classified Tournament | ||||
| Date | 2014-11-09 | Rating | 2820.89 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Loss | Kawamura Norihiko | 2651.04 |
| S2 | White | Win | Fukui Nobuhiro | 2603.00 |
| S3 | Black | Win | Miyagawa Junzo | 2227.56 |
| S4 | Black | Win | Iio Yoshihiro | 2512.47 |
| S5 | White | Win | Okabe Hiroshi | 2743.22 |
| 52 Meijinsen Tournament | ||||
| Date | 2014-09-15 | Rating | 2825.18 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Matsuura Hiroshi | 2350.71 |
| 2 | White | Win | Sato Kiyotomi | 2482.46 |
| 3 | Black | Win | Iio Yoshihiro | 2508.72 |
| 4 | White | Win | Fukui Nobuhiro | 2612.37 |
| 5 | Black | Win | Okabe Hiroshi | 2746.82 |
| 6 | White | Draw | Nakayama Tomoharu | 2718.35 |
| 7 | Black | Win | Hasegawa Kazuto | 2653.19 |
| 8 | Black | Draw | Tamada Yoichi | 2562.77 |
| 9 | Black | Win | Kashihara Akihiko | 2341.85 |
| Team World Championship 2014 | ||||
| Date | 2014-05-03 | Rating | 2823.71 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Kamiya Shunsuke | 2602.96 |
| 2 | Black | Loss | Lin Huang-Yu | 2808.98 |
| 3 | Black | Win | Soosõrv Ants | 2742.06 |
| 4 | White | Win | Nikonov Konstantin | 2720.80 |
| 5 | White | Win | Huang Yen-Hua | 2368.35 |
| 6 | Black | Win | Mitsumori Masao | 2334.82 |
| 7 | White | Loss | Lin Huang-Yu | 2808.98 |
| 9 | White | Win | Nikonov Konstantin | 2720.80 |
| 10 | Black | Win | Chang Chia-Cheng | 2174.41 |
| 9th Kansai Championship final match | ||||
| Date | 2014-04-06 | Rating | 2823.66 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Iio Yoshihiro | 2544.54 |
| 2 | Black | Loss | Iio Yoshihiro | 2544.54 |
| 3 | White | Win | Iio Yoshihiro | 2544.54 |
| 4 | White | Win | Iio Yoshihiro | 2544.54 |
| 9th All Japan Championship | ||||
| Date | 2014-01-26 | Rating | 2829.98 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Maruyama Yasushi | 2288.61 |
| 2 | Black | Draw | Iio Yoshihiro | 2546.69 |
| 3 | Black | Win | Tamura Kazumasa | 2528.34 |
| 4 | Black | Draw | Okabe Hiroshi | 2758.63 |
| 5 | Black | Win | Ono Takayuki | 2373.45 |
| 6 | White | Win | Fukui Nobuhiro | 2606.94 |
| 51 Meijinsen Match R3 R4 | ||||
| Date | 2013-12-22 | Rating | 2832.99 | |
| Round | Color | Result | Opponent | |
| 3 | White | Draw | Nakamura Shigeru | 2889.86 |
| 4 | Black | Loss | Nakamura Shigeru | 2889.86 |
| 45 Kyoto Classified Tournament | ||||
| Date | 2013-11-10 | Rating | 2838.18 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Mano Yoshihisa | 2312.62 |
| S2 | White | Draw | Okabe Hiroshi | 2756.77 |
| S3 | Black | Win | Hasegawa Kazuto | 2623.80 |
| S4 | Black | Win | Ishitani Shin-ichi | 2423.80 |
| S5 | Black | Win | Fukui Nobuhiro | 2596.78 |
| 51 Meijinsen Match R1 R2 | ||||
| Date | 2013-10-20 | Rating | 2839.75 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Nakamura Shigeru | 2884.81 |
| 2 | White | Loss | Nakamura Shigeru | 2884.81 |
| 51 Meijinsen Tournament | ||||
| Date | 2013-09-16 | Rating | 2843.69 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Kawano Takahisa | 2368.14 |
| 2 | White | Win | Mano Yoshihisa | 2313.97 |
| 3 | White | Draw | Hasegawa Kazuto | 2620.22 |
| 4 | White | Win | Sato Kiyotomi | 2469.54 |
| 5 | White | Draw | Kamiya Shunsuke | 2557.27 |
| 6 | White | Win | Kawate Kozo | 2191.63 |
| 7 | White | Win | Okabe Hiroshi | 2752.50 |
| 8 | White | Win | Hata Masayuki | 2255.38 |
| 9 | Black | Win | Yamaguchi Yusui | 2589.98 |
| ex | White | Win | Okabe Hiroshi | 2752.50 |
| World Championship 2013, AT | ||||
| Date | 2013-08-14 | Rating | 2845.40 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Taimla Tunnet | 2876.10 |
| 2 | Black | Win | Epifanov Dmitry | 2684.28 |
| 3 | White | Win | Salnikov Pavel | 2599.40 |
| 4 | White | Win | Oll Aivo | 2732.78 |
| 5 | Black | Draw | Okabe Hiroshi | 2747.98 |
| 6 | White | Loss | Cao Dong | 2742.92 |
| 7 | White | Win | Wang Qingqing | 2646.12 |
| 8 | Black | Win | Chen Ko-Han | 2680.26 |
| 9 | Black | Win | Lan Zhiren | 2632.48 |
| 10 | White | Draw | Hõbemägi Martin | 2583.25 |
| 11 | Black | Win | Sushkov Vladimir | 2820.74 |
| 8th Kansai Championship final match | ||||
| Date | 2013-05-12 | Rating | 2845.28 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hasegawa Kazuto | 2607.73 |
| 2 | White | Win | Hasegawa Kazuto | 2607.73 |
| 8th All Japan Championship | ||||
| Date | 2013-03-24 | Rating | 2843.01 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tada Ayako | 2287.17 |
| 2 | Black | Win | Nagao Noriaki | 2386.55 |
| 3 | Black | Win | Kudomi Takahiro | 2417.50 |
| 4 | White | Draw | Nakamura Shigeru | 2866.10 |
| 5 | Black | Win | Ishitani Shin-ichi | 2374.09 |
| 6 | Black | Win | Okabe Hiroshi | 2730.65 |
| ex | Black | Win | Nakamura Shigeru | 2866.10 |
| 50 Meijinsen Match R5 | ||||
| Date | 2013-01-27 | Rating | 2833.20 | |
| Round | Color | Result | Opponent | |
| 5 | Black | Loss | Nakamura Shigeru | 2875.10 |
| 50 Meijinsen Match R3,R4 | ||||
| Date | 2012-12-23 | Rating | 2828.78 | |
| Round | Color | Result | Opponent | |
| 3 | White | Draw | Nakamura Shigeru | 2877.45 |
| 4 | White | Loss | Nakamura Shigeru | 2877.45 |
| 44 Kyoto Classified Tournament | ||||
| Date | 2012-11-11 | Rating | 2825.17 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Fukui Nobuhiro | 2552.71 |
| S2 | White | Win | Ono Takayuki | 2423.31 |
| S3 | White | Win | Kudomi Takahiro | 2418.91 |
| S4 | White | Draw | Hasegawa Kazuto | 2591.92 |
| S5 | White | Win | Okabe Hiroshi | 2711.99 |
| 50 Meijinsen Match R1,R2 | ||||
| Date | 2012-10-21 | Rating | 2822.42 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Nakamura Shigeru | 2877.30 |
| 2 | Black | Draw | Nakamura Shigeru | 2877.30 |
| Team World Championship 2012 | ||||
| Date | 2012-05-06 | Rating | 2788.22 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Cao Dong | 2688.02 |
| 3 | Black | Loss | Sushkov Vladimir | 2778.72 |
| 5 | White | Draw | Taimla Tunnet | 2847.79 |
| 6 | Black | Loss | Yang Yanxi | 2691.34 |
| 7 | White | Win | Lan Zhiren | 2570.32 |
| 8 | White | Win | Cao Dong | 2688.02 |
| 9 | White | Loss | Yang Yanxi | 2691.34 |
| 10 | White | Loss | Lan Zhiren | 2570.32 |
| 7th Kansai Championship final match | ||||
| Date | 2012-04-01 | Rating | 2790.96 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Kise Katsumi | 2548.73 |
| 2 | Black | Win | Kise Katsumi | 2548.73 |
| 15th Mikami Cup Tournament | ||||
| Date | 2012-03-11 | Rating | 2791.68 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Isobe Taizan | 2419.84 |
| S2 | Black | Win | Mitsumori Masao | 2365.50 |
| S3 | Black | Win | Nakamura Shigeru | 2877.37 |
| S4 | White | Win | Ishitani Shin-ichi | 2371.58 |
| S5 | Black | Win | Kobayashi Koichi | 2216.07 |
| 12 Kanto Renju Emperor Tournament final match | ||||
| Date | 2012-02-12 | Rating | 2789.77 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Nakamura Shigeru | 2876.55 |
| 2 | Black | Draw | Nakamura Shigeru | 2876.55 |
| 3 | White | Draw | Nakamura Shigeru | 2876.55 |
| 7th All Japan Championship | ||||
| Date | 2012-01-29 | Rating | 2789.02 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Fukui Nobuhiro | 2485.86 |
| 2 | White | Win | Kudomi Takahiro | 2424.08 |
| 3 | White | Win | Isobe Taizan | 2420.62 |
| 4 | White | Loss | Nakamura Shigeru | 2875.93 |
| 5 | Black | Win | Mitsumori Masao | 2368.66 |
| 6 | Black | Win | Okabe Hiroshi | 2696.73 |
| 12 Kanto Renju Emperor Tournament 2nd round | ||||
| Date | 2012-01-15 | Rating | 2787.59 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Nakamura Shigeru | 2873.99 |
| 2 | Black | Win | Nakayama Tomoharu | 2599.24 |
| 3 | White | Win | Kamiya Shunsuke | 2455.17 |
| 4 | Black | Win | Mitsumori Masao | 2367.94 |
| 5 | White | Win | Okabe Hiroshi | 2698.31 |
| 49 Meijinsen Match R3,R4 | ||||
| Date | 2011-12-18 | Rating | 2781.74 | |
| Round | Color | Result | Opponent | |
| 3 | Black | Draw | Yamaguchi Yusui | 2651.94 |
| 4 | Black | Win | Yamaguchi Yusui | 2651.94 |
| 43 Kyoto Classified Tournament | ||||
| Date | 2011-11-13 | Rating | 2773.87 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Okumura Toyohiko | 2321.84 |
| S2 | White | Win | Sakamoto Suzan | 2355.04 |
| S3 | Black | Win | Ishitani Shin-ichi | 2391.55 |
| S4 | White | Loss | Okabe Hiroshi | 2705.10 |
| S5 | White | Win | Hasegawa Kazuto | 2554.04 |
| 12 Kanto Renju Emperor Tournament 1st round | ||||
| Date | 2011-10-23 | Rating | 2769.45 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Koyama Jun | 2436.42 |
| 2 | White | Win | Ishitani Shin-ichi | 2391.85 |
| 3 | White | Win | Kamiya Shunsuke | 2440.33 |
| 4 | White | Win | Nakayama Tomoharu | 2587.04 |
| 49 Meijinsen Match R1,R2 | ||||
| Date | 2011-10-16 | Rating | 2767.49 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Yamaguchi Yusui | 2652.92 |
| 2 | Black | Win | Yamaguchi Yusui | 2652.92 |
| World Championship 2011, AT | ||||
| Date | 2011-08-10 | Rating | 2751.13 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Andersson Tord | 2438.16 |
| 2 | Black | Loss | Huang Jin-xian | 2612.60 |
| 3 | Black | Loss | Sushkov Vladimir | 2774.74 |
| 4 | White | Draw | Okabe Hiroshi | 2703.62 |
| 5 | Black | Draw | Lin Huang-Yu | 2782.33 |
| 6 | White | Win | Artemyev Sergey | 2601.70 |
| 7 | White | Win | Hou I-Cheng | 2502.14 |
| 8 | Black | Win | Dai Xiaohan | 2697.38 |
| 9 | White | Win | Oll Aivo | 2700.41 |
| 10 | Black | Draw | Cao Dong | 2695.92 |
| 11 | Black | Draw | Taimla Tunnet | 2799.70 |
| 28th Kanto Championship | ||||
| Date | 2011-05-22 | Rating | 2737.86 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Kato Yasuhiro | 2064.01 |
| 2 | Black | Draw | Kamiya Shunsuke | 2414.36 |
| 3 | Black | Loss | Fukui Nobuhiro | 2429.42 |
| 4 | Black | Win | Iwano Fumio | 2130.28 |
| 5 | Black | Win | Tamada Yoichi | 2506.04 |
| 6th All Japan Championship | ||||
| Date | 2011-03-27 | Rating | 2737.67 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Miyagawa Junzo | 2217.10 |
| 2 | White | Loss | Tamada Yoichi | 2513.58 |
| 3 | Black | Win | Koiso Shigemasa | 2163.03 |
| 4 | Black | Win | Mano Yoshihisa | 2274.51 |
| 5 | Black | Win | Sato Kiyotomi | 2398.69 |
| 6 | Black | Win | Okabe Hiroshi | 2698.32 |
| 6th Kansai Championship final match | ||||
| Date | 2011-03-20 | Rating | 2737.70 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Iio Yoshihiro | 2510.16 |
| 2 | Black | Win | Iio Yoshihiro | 2510.16 |
| 14th Mikami Cup Tournament | ||||
| Date | 2011-01-30 | Rating | 2735.59 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Isobe Taizan | 2406.86 |
| S2 | Black | Win | Mitsumori Masao | 2327.15 |
| S3 | Black | Win | Nakamura Shigeru | 2855.95 |
| S4 | Black | Win | Ono Takayuki | 2391.94 |
| S5 | White | Win | Ishitani Shin-ichi | 2390.51 |
| 6th Kansai Championship 3rd round | ||||
| Date | 2011-01-09 | Rating | 2732.06 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hata Masayuki | 2185.32 |
| 2 | White | Win | Miyagawa Junzo | 2222.91 |
| 3 | White | Win | Kubo Izumi | 2104.66 |
| 48 Meijinsen Match R3,R4,R5 | ||||
| Date | 2010-12-26 | Rating | 2729.53 | |
| Round | Color | Result | Opponent | |
| 3 | White | Win | Hasegawa Kazuto | 2617.60 |
| 4 | Black | Draw | Hasegawa Kazuto | 2617.60 |
| 5 | Black | Win | Hasegawa Kazuto | 2617.60 |
| 42 Kyoto Classified Tournament | ||||
| Date | 2010-11-14 | Rating | 2719.42 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Miyoshi Takeo | 2125.64 |
| S2 | Black | Win | Okumura Toyohiko | 2332.04 |
| S3 | Black | Draw | Hasegawa Kazuto | 2630.54 |
| S4 | Black | Win | Kudomi Takahiro | 2411.39 |
| S5 | Black | Win | Okabe Hiroshi | 2694.65 |
| 11 Kanto Renju Emperor Tournament 1st round | ||||
| Date | 2010-10-31 | Rating | 2715.10 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Maruta Hiroki | 2109.33 |
| 2 | White | Win | Kudomi Takahiro | 2410.75 |
| 3 | White | Win | Isobe Taizan | 2403.70 |
| 4 | White | Draw | Okabe Hiroshi | 2694.92 |
| 48 Meijinsen Match R1,R2 | ||||
| Date | 2010-10-17 | Rating | 2710.33 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Hasegawa Kazuto | 2638.94 |
| 2 | Black | Loss | Hasegawa Kazuto | 2638.94 |
| 48th Meijinsen Tournament | ||||
| Date | 2010-09-20 | Rating | 2701.73 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Ishitani Shin-ichi | 2389.83 |
| 2 | Black | Win | Koiso Shigemasa | 2172.11 |
| 3 | White | Win | Okabe Hiroshi | 2694.79 |
| 4 | Black | Draw | Kawano Takahisa | 2319.38 |
| 5 | White | Loss | Sakamoto Suzan | 2349.80 |
| 6 | Black | Draw | Tamada Yoichi | 2496.74 |
| 7 | Black | Win | Matsuura Hiroshi | 2390.40 |
| 8 | Black | Win | Yamaguchi Yusui | 2590.16 |
| 9 | Black | Win | Iio Yoshihiro | 2528.68 |
| 27th Kanto Championship | ||||
| Date | 2010-05-23 | Rating | 2665.04 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tada Ayako | 2188.97 |
| 2 | Black | Win | Yamaguchi Yusui | 2582.91 |
| 3 | Black | Win | Kawamura Norihiko | 2584.71 |
| 4 | Black | Loss | Nakamura Shigeru | 2856.58 |
| 5 | White | Loss | Okabe Hiroshi | 2701.76 |
| Team World Championship 2010 | ||||
| Date | 2010-05-05 | Rating | 2659.26 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Nakamura Shigeru | 2854.85 |
| 2 | White | Loss | Li Yi | 2684.62 |
| 3 | White | Win | Sushkov Vladimir | 2767.20 |
| 4 | White | Loss | Taimla Tunnet | 2817.05 |
| 6 | White | Loss | Lin Shu-Hsuan | 2586.56 |
| 7 | Black | Win | Piddubny Konstantin | 2300.33 |
| 8 | Black | Win | Piddubny Konstantin | 2300.33 |
| 9 | White | Win | Väljataga Paul | 2418.69 |
| 10 | White | Draw | Sushkov Vladimir | 2767.20 |
| 5th Kansai Championship final match | ||||
| Date | 2010-03-28 | Rating | 2648.65 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Iio Yoshihiro | 2530.82 |
| 2 | Black | Loss | Iio Yoshihiro | 2530.82 |
| 5th All Japan Championship | ||||
| Date | 2010-03-21 | Rating | 2647.73 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Maruta Hiroki | 2082.77 |
| 2 | White | Win | Tamada Yoichi | 2447.45 |
| 3 | White | Win | Fukui Nobuhiro | 2312.70 |
| 4 | Black | Loss | Ishitani Shin-ichi | 2396.75 |
| 5 | White | Win | Tamura Kazumasa | 2512.60 |
| 6 | White | Win | Nagao Noriaki | 2371.54 |
| 40th Kyoto Classified - Special class | ||||
| Date | 2009-11-09 | Rating | 2629.15 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Okumura Toyohiko | 2329.39 |
| 2 | White | Win | Kubo Izumi | 2113.68 |
| 3 | White | Loss | Hasegawa Kazuto | 2709.81 |
| 4 | White | Win | Okabe Hiroshi | 2671.40 |
| 5 | Black | Draw | Ishitani Shin-ichi | 2368.53 |
| 41 Kyoto Classified Tournament | ||||
| Date | 2009-11-08 | Rating | 2629.01 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Sakamoto Suzan | 2321.32 |
| S2 | Black | Loss | Miyoshi Takeo | 2155.19 |
| S3 | Black | Win | Matsuo Toshiko | 1980.13 |
| S4 | Black | Win | Mano Yoshihisa | 2318.95 |
| S5 | Black | Win | Tamura Kazumasa | 2508.28 |
| 10 Kanto Renju Emperor Tournament 1st round | ||||
| Date | 2009-10-04 | Rating | 2625.00 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tomobe Katsuhiro | 2152.26 |
| 2 | Black | Win | Tanji Hiroki | 2052.02 |
| 3 | White | Loss | Okabe Hiroshi | 2671.21 |
| 4 | Black | Loss | Tamada Yoichi | 2392.70 |
| 47th Meijinsen tournament | ||||
| Date | 2009-09-22 | Rating | 2625.13 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Matsuura Hiroshi | 2364.68 |
| 2 | White | Win | Sakamoto Suzan | 2311.11 |
| 3 | Black | Win | Kataoka Mitsuaki | 2256.06 |
| 4 | Black | Draw | Ishitani Shin-ichi | 2368.05 |
| 5 | Black | Win | Iio Yoshihiro | 2514.39 |
| 6 | Black | Loss | Kawamura Norihiko | 2631.93 |
| 7 | White | Draw | Okabe Hiroshi | 2670.96 |
| 8 | Black | Win | Yamaguchi Yusui | 2573.86 |
| 9 | White | Draw | Tamura Kazumasa | 2506.15 |
| World Championship 2009, BT | ||||
| Date | 2009-08-13 | Rating | 2624.24 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Golosov Viktor | 2439.43 |
| 2 | Black | Win | Lents Johann | 2489.54 |
| 3 | White | Win | Tamura Kazumasa | 2503.31 |
| 4 | Black | Win | Yu Tien-Lung | 2132.00 |
| 5 | Black | Loss | Pajuste Renee | 2415.53 |
| 6 | White | Win | Lin Huang-Yu | 2606.03 |
| 7 | White | Draw | Yin Licheng | 2499.12 |
| 8 | White | Win | Nowak Paweł | 2437.58 |
| 9 | White | Loss | Tarannikov Yuriy | 2727.11 |
| World Championship 2009, QT | ||||
| Date | 2009-08-05 | Rating | 2623.72 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Yao Jinrui | 2339.13 |
| 2 | White | Win | Savrasova Yulia | 2658.79 |
| 3 | Black | Draw | Cao Dong | 2705.63 |
| 4 | White | Draw | Lu Wei-Yuan | 2483.52 |
| 5 | White | Win | Nowak Paweł | 2437.68 |
| 6 | White | Loss | Chen Ko-Han | 2553.52 |
| 7 | White | Draw | Nykl Ondřej | 2549.50 |
| 47th Meijinsen Qualification Kansai area 2nd round | ||||
| Date | 2009-06-21 | Rating | 2619.82 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Kubo Izumi | 2114.81 |
| 2 | Black | Win | Hata Masayuki | 2181.12 |
| 3 | Black | Win | Sakamoto Suzan | 2306.14 |
| 26th Kanto Championship | ||||
| Date | 2009-05-17 | Rating | 2615.76 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tanji Hiroki | 2036.53 |
| 2 | Black | Win | Mitsumori Masao | 2343.52 |
| 3 | Black | Loss | Isobe Taizan | 2405.82 |
| 4 | White | Win | Shimoyama Takuma | 2236.54 |
| 5 | Black | Win | Kawamura Norihiko | 2640.42 |
| The 6th Shanghai Renju Meijin Invitation Tournament | ||||
| Date | 2009-05-03 | Rating | 2614.01 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Iio Yoshihiro | 2489.41 |
| 2 | White | Loss | Li Yi | 2638.78 |
| 3 | Black | Loss | Gu Wei | 2515.22 |
| 4 | Black | Win | Xu Bin | 2195.42 |
| 5 | Black | Win | Mitsumori Masao | 2343.93 |
| 6 | White | Win | Isobe Taizan | 2405.08 |
| 7 | Black | Win | Yu Manjiang | 2503.88 |
| 4th All Japan Championship | ||||
| Date | 2009-03-21 | Rating | 2610.77 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Kobayashi Koichi | 2116.35 |
| 2 | Black | Win | Miyoshi Takeo | 2209.86 |
| 3 | White | Draw | Tamura Kazumasa | 2511.32 |
| 4 | Black | Draw | Okabe Hiroshi | 2668.98 |
| 5 | Black | Win | Isobe Taizan | 2403.87 |
| 6 | Black | Draw | Nakamura Shigeru | 2856.84 |
| 4th Kansai Championship, final match | ||||
| Date | 2009-03-15 | Rating | 2609.90 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hasegawa Kazuto | 2717.95 |
| 2 | Black | Win | Hasegawa Kazuto | 2717.95 |
| 4 Kansai Championship 3rd round | ||||
| Date | 2009-02-15 | Rating | 2601.79 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Takashima Junya | 2534.20 |
| 2 | White | Win | Iio Yoshihiro | 2485.29 |
| 3 | Black | Win | Tamura Kazumasa | 2503.82 |
| 12th Mikami Cup Tournament | ||||
| Date | 2009-01-18 | Rating | 2590.24 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Mitsumori Masao | 2335.07 |
| S2 | Black | Draw | Yamaguchi Yusui | 2570.78 |
| S3 | White | Loss | Ishitani Shin-ichi | 2395.91 |
| S4 | Black | Loss | Okabe Hiroshi | 2674.26 |
| 9th Kanto Renju Emperor Tournament, 1st round | ||||
| Date | 2008-10-26 | Rating | 2564.70 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Watanabe Yoko | 2062.12 |
| 2 | White | Loss | Nakayama Tomoharu | 2284.38 |
| 3 | White | Loss | Tamada Yoichi | 2267.44 |
| 4 | White | Win | Fujikawa Masaki | 2083.32 |
| 46th Meijinsen Tournament | ||||
| Date | 2008-09-15 | Rating | 2559.39 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Yamaguchi Yusui | 2580.86 |
| 2 | White | Loss | Iio Yoshihiro | 2506.65 |
| 3 | Black | Win | Kataoka Mitsuaki | 2248.88 |
| 4 | White | Win | Sato Kiyotomi | 2441.98 |
| 5 | White | Loss | Okabe Hiroshi | 2689.86 |
| 6 | White | Draw | Ishitani Shin-ichi | 2394.88 |
| 7 | White | Win | Hata Masayuki | 2258.71 |
| 8 | White | Loss | Kawamura Norihiko | 2661.10 |
| 9 | White | Win | Matsuura Hiroshi | 2326.25 |
| 3rd Kansai Championship final match | ||||
| Date | 2008-03-16 | Rating | 2558.13 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Hasegawa Kazuto | 2762.13 |
| 2 | White | Loss | Hasegawa Kazuto | 2762.13 |
| 3rd Kansai Championship 3rd round | ||||
| Date | 2008-01-13 | Rating | 2561.00 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tamura Kazumasa | 2412.82 |
| 2 | White | Win | Takagawa Teiji | 2240.13 |
| 3 | Black | Win | Iio Yoshihiro | 2528.81 |
| 39th Kyoto Classified - Special Class | ||||
| Date | 2007-11-11 | Rating | 2557.65 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Tamura Kazumasa | 2408.52 |
| 2 | Black | Win | Kudomi Takahiro | 2338.23 |
| 3 | Black | Win | Miyagawa Junzo | 2264.97 |
| 4 | Black | Loss | Okabe Hiroshi | 2651.62 |
| 5 | White | Loss | Hasegawa Kazuto | 2766.44 |
| 3 Kansai Championship 2nd round | ||||
| Date | 2007-10-21 | Rating | 2557.53 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Ozawa Tetsushi | 2028.32 |
| 2 | White | Win | Koiso Shigemasa | 2171.27 |
| 3 | Black | Win | Tamura Kazumasa | 2407.96 |
| 4 | White | Win | Takagawa Teiji | 2250.51 |
| The 45th Meijin-sen Tournament | ||||
| Date | 2007-09-17 | Rating | 2555.11 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Sato Kiyotomi | 2397.82 |
| 2 | White | Loss | Yamaguchi Yusui | 2651.58 |
| 3 | Black | Win | Matsuura Hiroshi | 2300.37 |
| 4 | White | Win | Kawamura Norihiko | 2630.39 |
| 5 | White | Loss | Isobe Taizan | 2434.82 |
| 6 | White | Win | Miyoshi Takeo | 2301.69 |
| 7 | Black | Win | Okabe Hiroshi | 2639.69 |
| 8 | Black | Draw | Iio Yoshihiro | 2536.37 |
| World Championship 2007, BT | ||||
| Date | 2007-08-15 | Rating | 2549.71 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Qiu Yunfei | 2493.93 |
| 2 | White | Win | Serdyukov Egor | 2498.95 |
| 3 | White | Draw | Lu Wei-Yuan | 2451.67 |
| 4 | White | Win | Nokhrin Oleg | 2405.33 |
| 5 | White | Win | Eriksson Marcus | 2305.26 |
| 6 | White | Loss | Lin Huang-Yu | 2523.84 |
| 7 | White | Win | Karasyov Maxim | 2498.55 |
| 8 | White | Win | Sorokina Oksana | 2484.32 |
| 9 | Black | Win | Ishitani Shin-ichi | 2386.78 |
| World Championship 2007, QT | ||||
| Date | 2007-08-08 | Rating | 2547.17 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Qiu Yunfei | 2495.13 |
| 2 | White | Win | Eriksson Bjorn | 2344.43 |
| 3 | White | Win | Miyagawa Junzo | 2272.21 |
| 4 | White | Loss | Okabe Hiroshi | 2630.13 |
| 5 | White | Draw | Dvoeglazov Vladimir | 2372.87 |
| 6 | White | Loss | Savrasova Yulia | 2695.30 |
| 7 | Black | Win | Lu Wei-Yuan | 2450.84 |
| 45th Meijinsen Qualification Kansai area final round | ||||
| Date | 2007-06-17 | Rating | 2532.47 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Sakamoto Suzan | 2296.92 |
| 2 | Black | Win | Hata Masayuki | 2227.47 |
| 3 | White | Loss | Iio Yoshihiro | 2531.32 |
| 45th Meijinsen Qualification Kansai area - 1st round | ||||
| Date | 2007-05-13 | Rating | 2523.15 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Miyagawa Junzo | 2271.28 |
| 2 | Black | Win | Sakamoto Suzan | 2298.13 |
| 3 | White | Win | Takagawa Teiji | 2261.84 |
| 4 | White | Win | Ozawa Tetsushi | 2018.33 |
| 2nd All Japan Championship (WC Qualification) | ||||
| Date | 2007-03-25 | Rating | 2506.63 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Tanno Yoshitaka | 2128.31 |
| 2 | White | Win | Kato Yasuhiro | 1962.72 |
| 3 | Black | Win | Mitsumori Masao | 2265.29 |
| 4 | White | Win | Nagao Noriaki | 2233.94 |
| 5 | Black | Win | Miyagawa Junzo | 2274.58 |
| 6 | White | Loss | Yamaguchi Yusui | 2647.47 |
| 2nd Kansai Championship 3rd round | ||||
| Date | 2007-01-14 | Rating | 2487.57 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2519.75 |
| 2 | White | Loss | Takashima Junya | 2511.06 |
| 3 | White | Win | Sagara Takashi | 2498.91 |
| 38th Kyoto Classified - Special class | ||||
| Date | 2006-11-12 | Rating | 2473.25 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Hata Masayuki | 2203.13 |
| 2 | Black | Win | Hasegawa Kazuto | 2737.50 |
| 3 | White | Loss | Takashima Junya | 2508.22 |
| 4 | Black | Win | Miyagawa Sou | 2174.63 |
| 5 | Black | Draw | Okabe Hiroshi | 2609.17 |
| 2nd Kansai Championship 2nd round | ||||
| Date | 2006-10-15 | Rating | 2464.13 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Iio Yoshihiro | 2511.82 |
| 2 | Black | Win | Sakamoto Suzan | 2291.35 |
| 3 | Black | Loss | Sagara Takashi | 2504.63 |
| 4 | Black | Win | Koiso Shigemasa | 2172.01 |
| The 44th Meijin-sen Tournament | ||||
| Date | 2006-09-18 | Rating | 2453.68 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Sato Kiyotomi | 2440.95 |
| 2 | White | Win | Matsuura Hiroshi | 2299.11 |
| 3 | White | Loss | Fujii Naoki | 2135.45 |
| 4 | Black | Draw | Kawamura Norihiko | 2664.52 |
| 5 | Black | Loss | Yamaguchi Yusui | 2637.00 |
| 6 | White | Loss | Iio Yoshihiro | 2511.56 |
| 7 | White | Win | Nagao Noriaki | 2241.70 |
| 8 | White | Draw | Okabe Hiroshi | 2600.77 |
| 9 | Black | Win | Ishitani Shin-ichi | 2361.85 |
| Asian Championship 2006 | ||||
| Date | 2006-08-15 | Rating | 2443.15 | |
| Round | Color | Result | Opponent | |
| 1 | White | Draw | Lee Jo-Sub | 2329.34 |
| 2 | Black | Win | Kim Su Chan | 2129.66 |
| 3 | White | Loss | Iio Yoshihiro | 2510.76 |
| 4 | Black | Win | Kwon Jae-Woo | 1892.88 |
| 5 | Black | Loss | Park Eol | 2255.08 |
| 6 | Black | Win | Kashihara Akihiko | 2295.07 |
| 7 | White | Win | Pu Hsun-Fang | 1961.26 |
| 8 | Black | Win | Kim Chang-Hoon | 2542.33 |
| Youth World Championship 2006 | ||||
| Date | 2006-08-08 | Rating | 2441.09 | |
| Round | Color | Result | Opponent | |
| a1 | Black | Loss | Zhang Cheng | 2452.91 |
| a2 | Black | Win | Maruta Hiroki | 1995.90 |
| a3 | Black | Win | Blomstedt Torbjorn | 2124.60 |
| a4 | Black | Loss | Oll Aivo | 2660.39 |
| a5 | White | Win | Tanizaki Ryusuke | 2122.96 |
| a6 | Black | Win | Lin Shan | 2155.52 |
| a7 | White | Loss | Wu Hao | 2600.04 |
| a8 | White | Loss | Serdyukov Egor | 2418.10 |
| Meijin-sen Qual, Kansai-Hokuriku area final round | ||||
| Date | 2006-06-18 | Rating | 2431.76 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2507.12 |
| 2 | Black | Win | Hata Masayuki | 2224.38 |
| 3 | White | Win | Takashima Junya | 2499.62 |
| Team World Championship 2006 | ||||
| Date | 2006-05-05 | Rating | 2421.59 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Haikonen Kari | 2180.65 |
| 2 | White | Loss | Eriksson Bjorn | 2351.95 |
| 3 | White | Loss | Soosõrv Ants | 2669.82 |
| 4 | Black | Loss | Karasyov Maxim | 2577.38 |
| 5 | White | Loss | Zhu Jianfeng | 2502.52 |
| 6 | Black | Loss | Artemyev Sergey | 2623.59 |
| 7 | Black | Win | Oblikas Mikk | 2260.66 |
| F1 | Black | Win | Eriksson Bjorn | 2351.95 |
| F2 | Black | Loss | Gaulitz Joachim | 2511.75 |
| 1st All Japan Championship | ||||
| Date | 2006-03-26 | Rating | 2419.87 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Nagao Noriaki | 2220.43 |
| 2 | White | Win | Kato Yasuhiro | 2053.59 |
| 3 | White | Loss | Yamaguchi Yusui | 2634.85 |
| 4 | White | Win | Sato Kiyotomi | 2409.38 |
| 5 | Black | Win | Mitsumori Masao | 2259.93 |
| 6 | Black | Loss | Takashima Junya | 2508.64 |
| 9th Mikami Cup - A Class | ||||
| Date | 2006-01-29 | Rating | 2414.23 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tomobe Katsuhiro | 2091.31 |
| 2 | White | Win | Watanabe Tatsuya | 2132.72 |
| 3 | Black | Win | Itami Yoshiyuki | 2168.23 |
| 4 | White | Win | Ono Takayuki | 2302.83 |
| 5 | Black | Win | Kato Yasuhiro | 2047.52 |
| 30th Seiun-sen Tournament. Hamamatsu area | ||||
| Date | 2006-01-15 | Rating | 2411.34 | |
| Round | Color | Result | Opponent | |
| Black | Win | Ozawa Tetsushi | 2015.41 | |
| Black | Loss | Koide Morihiro | 2087.92 | |
| Black | Win | Yamamoto Hukue | 1630.19 | |
| 37th Kyoto Classified - group 1 | ||||
| Date | 2005-11-13 | Rating | 2403.69 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Ono Takayuki | 2295.16 |
| 2 | White | Win | Hayashi Koji | 2004.76 |
| 3 | Black | Win | Koyama Jun | 2303.10 |
| 4 | White | Draw | Itami Yoshiyuki | 2178.73 |
| 5 | Black | Win | Shinoda Kiyoshi | 2345.54 |
| 6 | White | Win | Takehara Kenji | 1791.85 |
| The 43rd Meijin-sen Tournament | ||||
| Date | 2005-09-19 | Rating | 2391.15 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Okabe Hiroshi | 2588.51 |
| 2 | White | Draw | Ishitani Shin-ichi | 2397.58 |
| 3 | White | Loss | Yamaguchi Yusui | 2588.57 |
| 4 | White | Win | Takashima Junya | 2509.57 |
| 5 | White | Win | Sato Kiyotomi | 2391.42 |
| 6 | White | Win | Kawate Kozo | 2172.09 |
| 7 | White | Loss | Hasegawa Kazuto | 2701.74 |
| 8 | White | Loss | Matsuura Hiroshi | 2348.39 |
| 9 | Black | Win | Tanaka Koichi | 2332.25 |
| World Championship 2005, BT | ||||
| Date | 2005-08-05 | Rating | 2377.78 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Yamaguchi Yusui | 2579.38 |
| 2 | White | Win | Omata Mitsuo | 1710.93 |
| 3 | Black | Loss | Huang Sheng-Hsun | 2103.59 |
| 4 | White | Loss | Eriksson Marcus | 2264.71 |
| 5 | Black | Win | Saranchin Aleksandr | 2024.40 |
| 6 | White | Win | Timmermann Alvar | 2117.07 |
| 7 | White | Loss | Jonsson Peter | 2369.02 |
| 8 | White | Win | Lillemets Rauni | 2143.33 |
| 9 | Black | Win | Miyagawa Junzo | 2247.88 |
| World Championship 2005, QT | ||||
| Date | 2005-07-31 | Rating | 2377.07 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2465.07 |
| 2 | White | Win | Wang Chih-Kung | 2205.29 |
| 3 | White | Loss | Andersson Tord | 2385.51 |
| 4 | White | Loss | Lents Johann | 2533.90 |
| 5 | White | Win | Poghosyan Albert | 2375.50 |
| 6 | Black | Loss | Kozhin Mikhail | 2550.35 |
| 7 | White | Win | Yamaguchi Yusui | 2577.51 |
| 1st Kansai Championship 1st round | ||||
| Date | 2005-07-10 | Rating | 2373.83 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Masutani Hiroshi | 1834.69 |
| 2 | White | Loss | Ozawa Tetsushi | 2035.53 |
| 3 | Black | Loss | Tsujibayashi Taro | 2047.24 |
| 4 | White | Win | Ishibashi Hiroaki | 1760.28 |
| 5 | White | Win | Maki Tatsuya | 1589.42 |
| 43rd Meijinsen Qualification: Kansai area - 2nd round | ||||
| Date | 2005-06-19 | Rating | 2374.46 | |
| Round | Color | Result | Opponent | |
| Black | Loss | Takashima Junya | 2492.11 | |
| Black | Win | Tamura Kazumasa | 2354.72 | |
| Black | Win | Matsui Tsunehiro | 2163.60 | |
| 43rd Meijinsen Qualification: Kansai area 1st round | ||||
| Date | 2005-05-08 | Rating | 2374.03 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Adachi Yasuhiro | 2043.89 |
| 2 | White | Win | Koiso Shigemasa | 2221.92 |
| 3 | White | Win | Yasumoto Yoshinobu | 2033.27 |
| 4 | White | Win | Takashima Junya | 2485.17 |
| Japan WC Qualification tournament | ||||
| Date | 2005-04-03 | Rating | 2369.00 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Miyagawa Junzo | 2252.79 |
| 2 | Black | Win | Arita Nobuyoshi | 2301.02 |
| 3 | White | Win | Tamura Kazumasa | 2343.81 |
| 4 | Black | Win | Kato Yasuhiro | 2023.96 |
| 5 | Black | Loss | Okabe Hiroshi | 2581.84 |
| 6 | White | Draw | Miyoshi Takeo | 2272.10 |
| 38th Touryumon-Sen Tournament | ||||
| Date | 2005-03-20 | Rating | 2367.04 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Tsujibayashi Taro | 2041.17 |
| 2 | White | Win | Miyagawa Sou | 2128.16 |
| 3 | Black | Loss | Takashima Junya | 2475.16 |
| 4 | Black | Win | Ozawa Tetsushi | 2035.66 |
| 5 | White | Win | Sugiyama Taro | 1918.33 |
| 6 | White | Loss | Shinoda Kiyoshi | 2317.66 |