Oosumi Yuuki (大角友希)
Place: Moriyama, Japan
Rating: 2663.42, Std: 237.13, Rank: -
First game: 2005-03-20, Last game: 2018-03-18
Top rating: 2843.87 (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 | 2663.42 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Iio Yoshihiro | 2523.35 |
| 2 | White | Loss | Iio Yoshihiro | 2523.35 |
| 3 | Black | Loss | Iio Yoshihiro | 2523.35 |
| 12 Kansai Championship final match | ||||
| Date | 2017-03-19 | Rating | 2706.86 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hasegawa Kazuto | 2618.90 |
| 2 | White | Loss | Hasegawa Kazuto | 2618.90 |
| 3 | Black | Win | Hasegawa Kazuto | 2618.90 |
| 11 Kansai Championship Final match | ||||
| Date | 2016-04-03 | Rating | 2743.63 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2553.67 |
| 2 | White | Win | Iio Yoshihiro | 2553.67 |
| 3 | Black | Win | Iio Yoshihiro | 2553.67 |
| 53 Meijinsen Tournament | ||||
| Date | 2015-09-22 | Rating | 2769.35 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Iio Yoshihiro | 2527.55 |
| 2 | White | Loss | Koyama Jun | 2631.36 |
| 3 | White | Win | Hasegawa Kazuto | 2668.63 |
| 4 | Black | Win | Kawamura Norihiko | 2619.90 |
| 5 | Black | Draw | Okabe Hiroshi | 2713.72 |
| 6 | White | Win | Matsuura Hiroshi | 2395.76 |
| 7 | White | Win | Ishitani Shin-ichi | 2388.03 |
| 8 | White | Loss | Nakayama Tomoharu | 2765.40 |
| 9 | Black | Draw | Tamada Yoichi | 2578.51 |
| 10 Kansai Championship final match | ||||
| Date | 2015-03-15 | Rating | 2804.50 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Iio Yoshihiro | 2517.16 |
| 2 | White | Win | Iio Yoshihiro | 2517.16 |
| 52 Meijinsen Match | ||||
| Date | 2015-01-10 | Rating | 2814.00 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Nakamura Shigeru | 2894.12 |
| 2 | Black | Draw | Nakamura Shigeru | 2894.12 |
| 3 | White | Draw | Nakamura Shigeru | 2894.12 |
| 4 | Black | Draw | Nakamura Shigeru | 2894.12 |
| 5 | White | Loss | Nakamura Shigeru | 2894.12 |
| 46 Kyoto Classified Tournament | ||||
| Date | 2014-11-09 | Rating | 2819.30 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Loss | Kawamura Norihiko | 2649.60 |
| S2 | White | Win | Fukui Nobuhiro | 2603.35 |
| S3 | Black | Win | Miyagawa Junzo | 2225.70 |
| S4 | Black | Win | Iio Yoshihiro | 2510.75 |
| S5 | White | Win | Okabe Hiroshi | 2741.61 |
| 52 Meijinsen Tournament | ||||
| Date | 2014-09-15 | Rating | 2823.61 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Matsuura Hiroshi | 2349.21 |
| 2 | White | Win | Sato Kiyotomi | 2480.60 |
| 3 | Black | Win | Iio Yoshihiro | 2507.03 |
| 4 | White | Win | Fukui Nobuhiro | 2612.37 |
| 5 | Black | Win | Okabe Hiroshi | 2745.23 |
| 6 | White | Draw | Nakayama Tomoharu | 2716.79 |
| 7 | Black | Win | Hasegawa Kazuto | 2651.51 |
| 8 | Black | Draw | Tamada Yoichi | 2560.98 |
| 9 | Black | Win | Kashihara Akihiko | 2340.05 |
| Team World Championship 2014 | ||||
| Date | 2014-05-03 | Rating | 2822.18 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Kamiya Shunsuke | 2601.44 |
| 2 | Black | Loss | Lin Huang-Yu | 2808.53 |
| 3 | Black | Win | Soosõrv Ants | 2740.67 |
| 4 | White | Win | Nikonov Konstantin | 2718.62 |
| 5 | White | Win | Huang Yen-Hua | 2368.06 |
| 6 | Black | Win | Mitsumori Masao | 2332.83 |
| 7 | White | Loss | Lin Huang-Yu | 2808.53 |
| 9 | White | Win | Nikonov Konstantin | 2718.62 |
| 10 | Black | Win | Chang Chia-Cheng | 2173.53 |
| 9th Kansai Championship final match | ||||
| Date | 2014-04-06 | Rating | 2822.13 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Iio Yoshihiro | 2542.90 |
| 2 | Black | Loss | Iio Yoshihiro | 2542.90 |
| 3 | White | Win | Iio Yoshihiro | 2542.90 |
| 4 | White | Win | Iio Yoshihiro | 2542.90 |
| 9th All Japan Championship | ||||
| Date | 2014-01-26 | Rating | 2828.46 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Maruyama Yasushi | 2286.80 |
| 2 | Black | Draw | Iio Yoshihiro | 2545.06 |
| 3 | Black | Win | Tamura Kazumasa | 2526.95 |
| 4 | Black | Draw | Okabe Hiroshi | 2757.08 |
| 5 | Black | Win | Ono Takayuki | 2371.69 |
| 6 | White | Win | Fukui Nobuhiro | 2606.09 |
| 51 Meijinsen Match R3 R4 | ||||
| Date | 2013-12-22 | Rating | 2831.47 | |
| Round | Color | Result | Opponent | |
| 3 | White | Draw | Nakamura Shigeru | 2888.36 |
| 4 | Black | Loss | Nakamura Shigeru | 2888.36 |
| 45 Kyoto Classified Tournament | ||||
| Date | 2013-11-10 | Rating | 2836.66 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Mano Yoshihisa | 2310.91 |
| S2 | White | Draw | Okabe Hiroshi | 2755.23 |
| S3 | Black | Win | Hasegawa Kazuto | 2622.20 |
| S4 | Black | Win | Ishitani Shin-ichi | 2422.14 |
| S5 | Black | Win | Fukui Nobuhiro | 2595.78 |
| 51 Meijinsen Match R1 R2 | ||||
| Date | 2013-10-20 | Rating | 2838.22 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Nakamura Shigeru | 2883.30 |
| 2 | White | Loss | Nakamura Shigeru | 2883.30 |
| 51 Meijinsen Tournament | ||||
| Date | 2013-09-16 | Rating | 2842.16 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Kawano Takahisa | 2366.94 |
| 2 | White | Win | Mano Yoshihisa | 2312.29 |
| 3 | White | Draw | Hasegawa Kazuto | 2618.63 |
| 4 | White | Win | Sato Kiyotomi | 2467.85 |
| 5 | White | Draw | Kamiya Shunsuke | 2555.74 |
| 6 | White | Win | Kawate Kozo | 2190.44 |
| 7 | White | Win | Okabe Hiroshi | 2750.96 |
| 8 | White | Win | Hata Masayuki | 2253.72 |
| 9 | Black | Win | Yamaguchi Yusui | 2588.49 |
| ex | White | Win | Okabe Hiroshi | 2750.96 |
| World Championship 2013, AT | ||||
| Date | 2013-08-14 | Rating | 2843.87 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Taimla Tunnet | 2875.01 |
| 2 | Black | Win | Epifanov Dmitry | 2682.55 |
| 3 | White | Win | Salnikov Pavel | 2597.71 |
| 4 | White | Win | Oll Aivo | 2731.25 |
| 5 | Black | Draw | Okabe Hiroshi | 2746.45 |
| 6 | White | Loss | Cao Dong | 2740.85 |
| 7 | White | Win | Wang Qingqing | 2645.22 |
| 8 | Black | Win | Chen Ko-Han | 2679.40 |
| 9 | Black | Win | Lan Zhiren | 2630.24 |
| 10 | White | Draw | Hõbemägi Martin | 2581.84 |
| 11 | Black | Win | Sushkov Vladimir | 2819.29 |
| 8th Kansai Championship final match | ||||
| Date | 2013-05-12 | Rating | 2843.75 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hasegawa Kazuto | 2606.17 |
| 2 | White | Win | Hasegawa Kazuto | 2606.17 |
| 8th All Japan Championship | ||||
| Date | 2013-03-24 | Rating | 2841.48 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tada Ayako | 2285.50 |
| 2 | Black | Win | Nagao Noriaki | 2384.86 |
| 3 | Black | Win | Kudomi Takahiro | 2415.81 |
| 4 | White | Draw | Nakamura Shigeru | 2864.57 |
| 5 | Black | Win | Ishitani Shin-ichi | 2372.46 |
| 6 | Black | Win | Okabe Hiroshi | 2729.10 |
| ex | Black | Win | Nakamura Shigeru | 2864.57 |
| 50 Meijinsen Match R5 | ||||
| Date | 2013-01-27 | Rating | 2831.67 | |
| Round | Color | Result | Opponent | |
| 5 | Black | Loss | Nakamura Shigeru | 2873.56 |
| 50 Meijinsen Match R3,R4 | ||||
| Date | 2012-12-23 | Rating | 2827.25 | |
| Round | Color | Result | Opponent | |
| 3 | White | Draw | Nakamura Shigeru | 2875.92 |
| 4 | White | Loss | Nakamura Shigeru | 2875.92 |
| 44 Kyoto Classified Tournament | ||||
| Date | 2012-11-11 | Rating | 2823.63 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Fukui Nobuhiro | 2551.34 |
| S2 | White | Win | Ono Takayuki | 2421.69 |
| S3 | White | Win | Kudomi Takahiro | 2417.26 |
| S4 | White | Draw | Hasegawa Kazuto | 2590.39 |
| S5 | White | Win | Okabe Hiroshi | 2710.43 |
| 50 Meijinsen Match R1,R2 | ||||
| Date | 2012-10-21 | Rating | 2820.88 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Nakamura Shigeru | 2875.77 |
| 2 | Black | Draw | Nakamura Shigeru | 2875.77 |
| Team World Championship 2012 | ||||
| Date | 2012-05-06 | Rating | 2786.67 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Cao Dong | 2686.13 |
| 3 | Black | Loss | Sushkov Vladimir | 2777.31 |
| 5 | White | Draw | Taimla Tunnet | 2846.95 |
| 6 | Black | Loss | Yang Yanxi | 2689.39 |
| 7 | White | Win | Lan Zhiren | 2567.83 |
| 8 | White | Win | Cao Dong | 2686.13 |
| 9 | White | Loss | Yang Yanxi | 2689.39 |
| 10 | White | Loss | Lan Zhiren | 2567.83 |
| 7th Kansai Championship final match | ||||
| Date | 2012-04-01 | Rating | 2789.42 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Kise Katsumi | 2547.16 |
| 2 | Black | Win | Kise Katsumi | 2547.16 |
| 15th Mikami Cup Tournament | ||||
| Date | 2012-03-11 | Rating | 2790.15 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Isobe Taizan | 2418.28 |
| S2 | Black | Win | Mitsumori Masao | 2363.90 |
| S3 | Black | Win | Nakamura Shigeru | 2875.85 |
| S4 | White | Win | Ishitani Shin-ichi | 2370.04 |
| S5 | Black | Win | Kobayashi Koichi | 2214.26 |
| 12 Kanto Renju Emperor Tournament final match | ||||
| Date | 2012-02-12 | Rating | 2788.24 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Nakamura Shigeru | 2875.03 |
| 2 | Black | Draw | Nakamura Shigeru | 2875.03 |
| 3 | White | Draw | Nakamura Shigeru | 2875.03 |
| 7th All Japan Championship | ||||
| Date | 2012-01-29 | Rating | 2787.50 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Fukui Nobuhiro | 2484.44 |
| 2 | White | Win | Kudomi Takahiro | 2422.48 |
| 3 | White | Win | Isobe Taizan | 2419.07 |
| 4 | White | Loss | Nakamura Shigeru | 2874.42 |
| 5 | Black | Win | Mitsumori Masao | 2367.08 |
| 6 | Black | Win | Okabe Hiroshi | 2695.15 |
| 12 Kanto Renju Emperor Tournament 2nd round | ||||
| Date | 2012-01-15 | Rating | 2786.07 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Nakamura Shigeru | 2872.49 |
| 2 | Black | Win | Nakayama Tomoharu | 2597.64 |
| 3 | White | Win | Kamiya Shunsuke | 2453.72 |
| 4 | Black | Win | Mitsumori Masao | 2366.37 |
| 5 | White | Win | Okabe Hiroshi | 2696.73 |
| 49 Meijinsen Match R3,R4 | ||||
| Date | 2011-12-18 | Rating | 2780.23 | |
| Round | Color | Result | Opponent | |
| 3 | Black | Draw | Yamaguchi Yusui | 2650.49 |
| 4 | Black | Win | Yamaguchi Yusui | 2650.49 |
| 43 Kyoto Classified Tournament | ||||
| Date | 2011-11-13 | Rating | 2772.37 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Okumura Toyohiko | 2320.54 |
| S2 | White | Win | Sakamoto Suzan | 2353.55 |
| S3 | Black | Win | Ishitani Shin-ichi | 2390.06 |
| S4 | White | Loss | Okabe Hiroshi | 2703.52 |
| S5 | White | Win | Hasegawa Kazuto | 2552.59 |
| 12 Kanto Renju Emperor Tournament 1st round | ||||
| Date | 2011-10-23 | Rating | 2767.95 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Koyama Jun | 2434.94 |
| 2 | White | Win | Ishitani Shin-ichi | 2390.36 |
| 3 | White | Win | Kamiya Shunsuke | 2438.92 |
| 4 | White | Win | Nakayama Tomoharu | 2585.45 |
| 49 Meijinsen Match R1,R2 | ||||
| Date | 2011-10-16 | Rating | 2766.00 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Yamaguchi Yusui | 2651.49 |
| 2 | Black | Win | Yamaguchi Yusui | 2651.49 |
| World Championship 2011, AT | ||||
| Date | 2011-08-10 | Rating | 2749.65 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Andersson Tord | 2436.95 |
| 2 | Black | Loss | Huang Jin-xian | 2609.24 |
| 3 | Black | Loss | Sushkov Vladimir | 2773.34 |
| 4 | White | Draw | Okabe Hiroshi | 2702.02 |
| 5 | Black | Draw | Lin Huang-Yu | 2781.25 |
| 6 | White | Win | Artemyev Sergey | 2599.80 |
| 7 | White | Win | Hou I-Cheng | 2501.20 |
| 8 | Black | Win | Dai Xiaohan | 2695.50 |
| 9 | White | Win | Oll Aivo | 2699.06 |
| 10 | Black | Draw | Cao Dong | 2694.17 |
| 11 | Black | Draw | Taimla Tunnet | 2798.64 |
| 28th Kanto Championship | ||||
| Date | 2011-05-22 | Rating | 2736.42 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Kato Yasuhiro | 2062.51 |
| 2 | Black | Draw | Kamiya Shunsuke | 2412.99 |
| 3 | Black | Loss | Fukui Nobuhiro | 2428.01 |
| 4 | Black | Win | Iwano Fumio | 2128.82 |
| 5 | Black | Win | Tamada Yoichi | 2504.60 |
| 6th All Japan Championship | ||||
| Date | 2011-03-27 | Rating | 2736.25 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Miyagawa Junzo | 2215.69 |
| 2 | White | Loss | Tamada Yoichi | 2512.16 |
| 3 | Black | Win | Koiso Shigemasa | 2161.62 |
| 4 | Black | Win | Mano Yoshihisa | 2273.13 |
| 5 | Black | Win | Sato Kiyotomi | 2397.33 |
| 6 | Black | Win | Okabe Hiroshi | 2696.80 |
| 6th Kansai Championship final match | ||||
| Date | 2011-03-20 | Rating | 2736.29 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Iio Yoshihiro | 2508.67 |
| 2 | Black | Win | Iio Yoshihiro | 2508.67 |
| 14th Mikami Cup Tournament | ||||
| Date | 2011-01-30 | Rating | 2734.20 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Isobe Taizan | 2405.42 |
| S2 | Black | Win | Mitsumori Masao | 2325.70 |
| S3 | Black | Win | Nakamura Shigeru | 2854.56 |
| S4 | Black | Win | Ono Takayuki | 2390.49 |
| S5 | White | Win | Ishitani Shin-ichi | 2389.12 |
| 6th Kansai Championship 3rd round | ||||
| Date | 2011-01-09 | Rating | 2730.68 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hata Masayuki | 2183.95 |
| 2 | White | Win | Miyagawa Junzo | 2221.53 |
| 3 | White | Win | Kubo Izumi | 2103.27 |
| 48 Meijinsen Match R3,R4,R5 | ||||
| Date | 2010-12-26 | Rating | 2728.15 | |
| Round | Color | Result | Opponent | |
| 3 | White | Win | Hasegawa Kazuto | 2616.23 |
| 4 | Black | Draw | Hasegawa Kazuto | 2616.23 |
| 5 | Black | Win | Hasegawa Kazuto | 2616.23 |
| 42 Kyoto Classified Tournament | ||||
| Date | 2010-11-14 | Rating | 2718.07 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Miyoshi Takeo | 2124.33 |
| S2 | Black | Win | Okumura Toyohiko | 2330.79 |
| S3 | Black | Draw | Hasegawa Kazuto | 2629.19 |
| S4 | Black | Win | Kudomi Takahiro | 2409.97 |
| S5 | Black | Win | Okabe Hiroshi | 2693.23 |
| 11 Kanto Renju Emperor Tournament 1st round | ||||
| Date | 2010-10-31 | Rating | 2713.76 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Maruta Hiroki | 2107.96 |
| 2 | White | Win | Kudomi Takahiro | 2409.34 |
| 3 | White | Win | Isobe Taizan | 2402.29 |
| 4 | White | Draw | Okabe Hiroshi | 2693.50 |
| 48 Meijinsen Match R1,R2 | ||||
| Date | 2010-10-17 | Rating | 2708.99 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Hasegawa Kazuto | 2637.60 |
| 2 | Black | Loss | Hasegawa Kazuto | 2637.60 |
| 48th Meijinsen Tournament | ||||
| Date | 2010-09-20 | Rating | 2700.40 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Ishitani Shin-ichi | 2388.49 |
| 2 | Black | Win | Koiso Shigemasa | 2170.76 |
| 3 | White | Win | Okabe Hiroshi | 2693.40 |
| 4 | Black | Draw | Kawano Takahisa | 2318.21 |
| 5 | White | Loss | Sakamoto Suzan | 2348.47 |
| 6 | Black | Draw | Tamada Yoichi | 2495.38 |
| 7 | Black | Win | Matsuura Hiroshi | 2389.14 |
| 8 | Black | Win | Yamaguchi Yusui | 2588.81 |
| 9 | Black | Win | Iio Yoshihiro | 2527.29 |
| 27th Kanto Championship | ||||
| Date | 2010-05-23 | Rating | 2663.77 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tada Ayako | 2187.64 |
| 2 | Black | Win | Yamaguchi Yusui | 2581.60 |
| 3 | Black | Win | Kawamura Norihiko | 2583.59 |
| 4 | Black | Loss | Nakamura Shigeru | 2855.27 |
| 5 | White | Loss | Okabe Hiroshi | 2700.43 |
| Team World Championship 2010 | ||||
| Date | 2010-05-05 | Rating | 2658.01 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Nakamura Shigeru | 2853.55 |
| 2 | White | Loss | Li Yi | 2683.01 |
| 3 | White | Win | Sushkov Vladimir | 2765.96 |
| 4 | White | Loss | Taimla Tunnet | 2816.05 |
| 6 | White | Loss | Lin Shu-Hsuan | 2585.68 |
| 7 | Black | Win | Piddubny Konstantin | 2299.18 |
| 8 | Black | Win | Piddubny Konstantin | 2299.18 |
| 9 | White | Win | Väljataga Paul | 2417.40 |
| 10 | White | Draw | Sushkov Vladimir | 2765.96 |
| 5th Kansai Championship final match | ||||
| Date | 2010-03-28 | Rating | 2647.41 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Iio Yoshihiro | 2529.50 |
| 2 | Black | Loss | Iio Yoshihiro | 2529.50 |
| 5th All Japan Championship | ||||
| Date | 2010-03-21 | Rating | 2646.49 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Maruta Hiroki | 2081.49 |
| 2 | White | Win | Tamada Yoichi | 2446.14 |
| 3 | White | Win | Fukui Nobuhiro | 2311.38 |
| 4 | Black | Loss | Ishitani Shin-ichi | 2395.49 |
| 5 | White | Win | Tamura Kazumasa | 2511.37 |
| 6 | White | Win | Nagao Noriaki | 2370.23 |
| 40th Kyoto Classified - Special class | ||||
| Date | 2009-11-09 | Rating | 2627.98 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Okumura Toyohiko | 2328.19 |
| 2 | White | Win | Kubo Izumi | 2112.42 |
| 3 | White | Loss | Hasegawa Kazuto | 2708.58 |
| 4 | White | Win | Okabe Hiroshi | 2670.16 |
| 5 | Black | Draw | Ishitani Shin-ichi | 2367.33 |
| 41 Kyoto Classified Tournament | ||||
| Date | 2009-11-08 | Rating | 2627.84 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Sakamoto Suzan | 2320.09 |
| S2 | Black | Loss | Miyoshi Takeo | 2153.98 |
| S3 | Black | Win | Matsuo Toshiko | 1978.96 |
| S4 | Black | Win | Mano Yoshihisa | 2317.71 |
| S5 | Black | Win | Tamura Kazumasa | 2507.07 |
| 10 Kanto Renju Emperor Tournament 1st round | ||||
| Date | 2009-10-04 | Rating | 2623.85 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tomobe Katsuhiro | 2151.02 |
| 2 | Black | Win | Tanji Hiroki | 2050.85 |
| 3 | White | Loss | Okabe Hiroshi | 2669.98 |
| 4 | Black | Loss | Tamada Yoichi | 2391.45 |
| 47th Meijinsen tournament | ||||
| Date | 2009-09-22 | Rating | 2623.99 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Matsuura Hiroshi | 2363.51 |
| 2 | White | Win | Sakamoto Suzan | 2309.90 |
| 3 | Black | Win | Kataoka Mitsuaki | 2255.07 |
| 4 | Black | Draw | Ishitani Shin-ichi | 2366.89 |
| 5 | Black | Win | Iio Yoshihiro | 2513.14 |
| 6 | Black | Loss | Kawamura Norihiko | 2630.79 |
| 7 | White | Draw | Okabe Hiroshi | 2669.73 |
| 8 | Black | Win | Yamaguchi Yusui | 2572.64 |
| 9 | White | Draw | Tamura Kazumasa | 2504.96 |
| World Championship 2009, BT | ||||
| Date | 2009-08-13 | Rating | 2623.12 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Golosov Viktor | 2439.71 |
| 2 | Black | Win | Lents Johann | 2488.32 |
| 3 | White | Win | Tamura Kazumasa | 2502.13 |
| 4 | Black | Win | Yu Tien-Lung | 2131.55 |
| 5 | Black | Loss | Pajuste Renee | 2414.48 |
| 6 | White | Win | Lin Huang-Yu | 2605.12 |
| 7 | White | Draw | Yin Licheng | 2497.79 |
| 8 | White | Win | Nowak Paweł | 2436.55 |
| 9 | White | Loss | Tarannikov Yuriy | 2729.60 |
| World Championship 2009, QT | ||||
| Date | 2009-08-05 | Rating | 2622.60 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Yao Jinrui | 2337.95 |
| 2 | White | Win | Savrasova Yulia | 2657.67 |
| 3 | Black | Draw | Cao Dong | 2704.24 |
| 4 | White | Draw | Lu Wei-Yuan | 2482.68 |
| 5 | White | Win | Nowak Paweł | 2436.65 |
| 6 | White | Loss | Chen Ko-Han | 2552.54 |
| 7 | White | Draw | Nykl Ondřej | 2548.42 |
| 47th Meijinsen Qualification Kansai area 2nd round | ||||
| Date | 2009-06-21 | Rating | 2618.70 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Kubo Izumi | 2113.59 |
| 2 | Black | Win | Hata Masayuki | 2179.92 |
| 3 | Black | Win | Sakamoto Suzan | 2304.95 |
| 26th Kanto Championship | ||||
| Date | 2009-05-17 | Rating | 2614.63 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tanji Hiroki | 2035.39 |
| 2 | Black | Win | Mitsumori Masao | 2342.31 |
| 3 | Black | Loss | Isobe Taizan | 2404.59 |
| 4 | White | Win | Shimoyama Takuma | 2235.31 |
| 5 | Black | Win | Kawamura Norihiko | 2639.29 |
| The 6th Shanghai Renju Meijin Invitation Tournament | ||||
| Date | 2009-05-03 | Rating | 2612.89 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Iio Yoshihiro | 2488.21 |
| 2 | White | Loss | Li Yi | 2637.25 |
| 3 | Black | Loss | Gu Wei | 2513.68 |
| 4 | Black | Win | Xu Bin | 2194.08 |
| 5 | Black | Win | Mitsumori Masao | 2342.72 |
| 6 | White | Win | Isobe Taizan | 2403.85 |
| 7 | Black | Win | Yu Manjiang | 2502.60 |
| 4th All Japan Championship | ||||
| Date | 2009-03-21 | Rating | 2609.65 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Kobayashi Koichi | 2115.10 |
| 2 | Black | Win | Miyoshi Takeo | 2208.72 |
| 3 | White | Draw | Tamura Kazumasa | 2510.17 |
| 4 | Black | Draw | Okabe Hiroshi | 2667.81 |
| 5 | Black | Win | Isobe Taizan | 2402.66 |
| 6 | Black | Draw | Nakamura Shigeru | 2855.61 |
| 4th Kansai Championship, final match | ||||
| Date | 2009-03-15 | Rating | 2608.78 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hasegawa Kazuto | 2716.77 |
| 2 | Black | Win | Hasegawa Kazuto | 2716.77 |
| 4 Kansai Championship 3rd round | ||||
| Date | 2009-02-15 | Rating | 2600.67 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Takashima Junya | 2533.17 |
| 2 | White | Win | Iio Yoshihiro | 2484.12 |
| 3 | Black | Win | Tamura Kazumasa | 2502.67 |
| 12th Mikami Cup Tournament | ||||
| Date | 2009-01-18 | Rating | 2589.13 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Mitsumori Masao | 2333.90 |
| S2 | Black | Draw | Yamaguchi Yusui | 2569.63 |
| S3 | White | Loss | Ishitani Shin-ichi | 2394.80 |
| S4 | Black | Loss | Okabe Hiroshi | 2673.11 |
| 9th Kanto Renju Emperor Tournament, 1st round | ||||
| Date | 2008-10-26 | Rating | 2563.61 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Watanabe Yoko | 2061.14 |
| 2 | White | Loss | Nakayama Tomoharu | 2283.23 |
| 3 | Black | Loss | Tamada Yoichi | 2266.29 |
| 4 | Black | Win | Fujikawa Masaki | 2082.21 |
| 46th Meijinsen Tournament | ||||
| Date | 2008-09-15 | Rating | 2558.30 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Yamaguchi Yusui | 2579.74 |
| 2 | White | Loss | Iio Yoshihiro | 2505.53 |
| 3 | Black | Win | Kataoka Mitsuaki | 2247.93 |
| 4 | White | Win | Sato Kiyotomi | 2440.85 |
| 5 | White | Loss | Okabe Hiroshi | 2688.76 |
| 6 | White | Draw | Ishitani Shin-ichi | 2393.80 |
| 7 | White | Win | Hata Masayuki | 2257.58 |
| 8 | White | Loss | Kawamura Norihiko | 2659.98 |
| 9 | White | Win | Matsuura Hiroshi | 2325.16 |
| 3rd Kansai Championship final match | ||||
| Date | 2008-03-16 | Rating | 2557.08 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Hasegawa Kazuto | 2761.02 |
| 2 | White | Loss | Hasegawa Kazuto | 2761.02 |
| 3rd Kansai Championship 3rd round | ||||
| Date | 2008-01-13 | Rating | 2559.97 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tamura Kazumasa | 2411.75 |
| 2 | White | Win | Takagawa Teiji | 2238.99 |
| 3 | Black | Win | Iio Yoshihiro | 2527.77 |
| 39th Kyoto Classified - Special Class | ||||
| Date | 2007-11-11 | Rating | 2556.63 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Tamura Kazumasa | 2407.46 |
| 2 | Black | Win | Kudomi Takahiro | 2337.19 |
| 3 | Black | Win | Miyagawa Junzo | 2263.94 |
| 4 | Black | Loss | Okabe Hiroshi | 2650.59 |
| 5 | White | Loss | Hasegawa Kazuto | 2765.35 |
| 3 Kansai Championship 2nd round | ||||
| Date | 2007-10-21 | Rating | 2556.51 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Ozawa Tetsushi | 2027.41 |
| 2 | White | Win | Koiso Shigemasa | 2170.17 |
| 3 | Black | Win | Tamura Kazumasa | 2406.90 |
| 4 | White | Win | Takagawa Teiji | 2249.38 |
| The 45th Meijin-sen Tournament | ||||
| Date | 2007-09-17 | Rating | 2554.10 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Sato Kiyotomi | 2396.79 |
| 2 | White | Loss | Yamaguchi Yusui | 2650.56 |
| 3 | Black | Win | Matsuura Hiroshi | 2299.35 |
| 4 | White | Win | Kawamura Norihiko | 2629.30 |
| 5 | White | Loss | Isobe Taizan | 2433.77 |
| 6 | White | Win | Miyoshi Takeo | 2300.69 |
| 7 | Black | Win | Okabe Hiroshi | 2638.67 |
| 8 | Black | Draw | Iio Yoshihiro | 2535.37 |
| World Championship 2007, BT | ||||
| Date | 2007-08-15 | Rating | 2548.72 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Qiu Yunfei | 2492.81 |
| 2 | White | Win | Serdyukov Egor | 2497.99 |
| 3 | White | Draw | Lu Wei-Yuan | 2450.82 |
| 4 | White | Win | Nokhrin Oleg | 2404.51 |
| 5 | White | Win | Eriksson Marcus | 2304.28 |
| 6 | White | Loss | Lin Huang-Yu | 2523.01 |
| 7 | White | Win | Karasyov Maxim | 2497.67 |
| 8 | White | Win | Sorokina Oksana | 2483.40 |
| 9 | Black | Win | Ishitani Shin-ichi | 2385.83 |
| World Championship 2007, QT | ||||
| Date | 2007-08-08 | Rating | 2546.18 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Qiu Yunfei | 2494.02 |
| 2 | White | Win | Eriksson Bjorn | 2343.45 |
| 3 | White | Win | Miyagawa Junzo | 2271.21 |
| 4 | White | Loss | Okabe Hiroshi | 2629.13 |
| 5 | White | Draw | Dvoeglazov Vladimir | 2372.24 |
| 6 | White | Loss | Savrasova Yulia | 2694.36 |
| 7 | Black | Win | Lu Wei-Yuan | 2449.99 |
| 45th Meijinsen Qualification Kansai area final round | ||||
| Date | 2007-06-17 | Rating | 2531.48 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Sakamoto Suzan | 2295.95 |
| 2 | Black | Win | Hata Masayuki | 2226.43 |
| 3 | White | Loss | Iio Yoshihiro | 2530.33 |
| 45th Meijinsen Qualification Kansai area - 1st round | ||||
| Date | 2007-05-13 | Rating | 2522.17 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Miyagawa Junzo | 2270.29 |
| 2 | Black | Win | Sakamoto Suzan | 2297.17 |
| 3 | White | Win | Takagawa Teiji | 2260.75 |
| 4 | White | Win | Ozawa Tetsushi | 2017.46 |
| 2nd All Japan Championship (WC Qualification) | ||||
| Date | 2007-03-25 | Rating | 2505.66 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Tanno Yoshitaka | 2127.19 |
| 2 | White | Win | Kato Yasuhiro | 1961.77 |
| 3 | Black | Win | Mitsumori Masao | 2264.31 |
| 4 | White | Win | Nagao Noriaki | 2232.96 |
| 5 | Black | Win | Miyagawa Junzo | 2273.61 |
| 6 | White | Loss | Yamaguchi Yusui | 2646.48 |
| 2nd Kansai Championship 3rd round | ||||
| Date | 2007-01-14 | Rating | 2486.61 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2518.78 |
| 2 | White | Loss | Takashima Junya | 2510.08 |
| 3 | White | Win | Sagara Takashi | 2497.55 |
| 38th Kyoto Classified - Special class | ||||
| Date | 2006-11-12 | Rating | 2472.30 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Hata Masayuki | 2202.13 |
| 2 | Black | Win | Hasegawa Kazuto | 2736.44 |
| 3 | White | Loss | Takashima Junya | 2507.24 |
| 4 | Black | Win | Miyagawa Sou | 2173.59 |
| 5 | Black | Draw | Okabe Hiroshi | 2608.20 |
| 2nd Kansai Championship 2nd round | ||||
| Date | 2006-10-15 | Rating | 2463.19 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Iio Yoshihiro | 2510.86 |
| 2 | Black | Win | Sakamoto Suzan | 2290.37 |
| 3 | Black | Loss | Sagara Takashi | 2503.26 |
| 4 | Black | Win | Koiso Shigemasa | 2170.95 |
| The 44th Meijin-sen Tournament | ||||
| Date | 2006-09-18 | Rating | 2452.76 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Sato Kiyotomi | 2440.00 |
| 2 | White | Win | Matsuura Hiroshi | 2298.14 |
| 3 | White | Loss | Fujii Naoki | 2134.67 |
| 4 | Black | Draw | Kawamura Norihiko | 2663.43 |
| 5 | Black | Loss | Yamaguchi Yusui | 2636.05 |
| 6 | White | Loss | Iio Yoshihiro | 2510.61 |
| 7 | White | Win | Nagao Noriaki | 2240.77 |
| 8 | White | Draw | Okabe Hiroshi | 2599.82 |
| 9 | Black | Win | Ishitani Shin-ichi | 2360.97 |
| Asian Championship 2006 | ||||
| Date | 2006-08-15 | Rating | 2442.24 | |
| Round | Color | Result | Opponent | |
| 1 | White | Draw | Lee Jo-Sub | 2328.59 |
| 2 | Black | Win | Kim Su Chan | 2128.97 |
| 3 | White | Loss | Iio Yoshihiro | 2509.82 |
| 4 | Black | Win | Kwon Jae-Woo | 1892.45 |
| 5 | Black | Loss | Park Eol | 2254.43 |
| 6 | Black | Win | Kashihara Akihiko | 2293.83 |
| 7 | White | Win | Pu Hsun-Fang | 1960.75 |
| 8 | Black | Win | Kim Chang-Hoon | 2541.29 |
| Youth World Championship 2006 | ||||
| Date | 2006-08-08 | Rating | 2440.17 | |
| Round | Color | Result | Opponent | |
| a1 | Black | Loss | Zhang Cheng | 2451.81 |
| a2 | Black | Win | Maruta Hiroki | 1995.00 |
| a3 | Black | Win | Blomstedt Torbjorn | 2123.75 |
| a4 | Black | Loss | Oll Aivo | 2659.51 |
| a5 | White | Win | Tanizaki Ryusuke | 2122.04 |
| a6 | Black | Win | Lin Shan | 2154.68 |
| a7 | White | Loss | Wu Hao | 2599.05 |
| a8 | White | Loss | Serdyukov Egor | 2417.22 |
| Meijin-sen Qual, Kansai-Hokuriku area final round | ||||
| Date | 2006-06-18 | Rating | 2430.87 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2506.19 |
| 2 | Black | Win | Hata Masayuki | 2223.40 |
| 3 | White | Win | Takashima Junya | 2498.66 |
| Team World Championship 2006 | ||||
| Date | 2006-05-05 | Rating | 2420.71 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Haikonen Kari | 2179.78 |
| 2 | White | Loss | Eriksson Bjorn | 2351.03 |
| 3 | White | Loss | Soosõrv Ants | 2668.96 |
| 4 | Black | Loss | Karasyov Maxim | 2576.63 |
| 5 | White | Loss | Zhu Jianfeng | 2501.49 |
| 6 | Black | Loss | Artemyev Sergey | 2623.03 |
| 7 | Black | Win | Oblikas Mikk | 2259.78 |
| F1 | Black | Win | Eriksson Bjorn | 2351.03 |
| F2 | Black | Loss | Gaulitz Joachim | 2510.80 |
| 1st All Japan Championship | ||||
| Date | 2006-03-26 | Rating | 2419.00 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Nagao Noriaki | 2219.54 |
| 2 | White | Win | Kato Yasuhiro | 2052.72 |
| 3 | White | Loss | Yamaguchi Yusui | 2633.93 |
| 4 | White | Win | Sato Kiyotomi | 2408.47 |
| 5 | Black | Win | Mitsumori Masao | 2259.04 |
| 6 | Black | Loss | Takashima Junya | 2507.69 |
| 9th Mikami Cup - A Class | ||||
| Date | 2006-01-29 | Rating | 2413.39 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tomobe Katsuhiro | 2090.45 |
| 2 | White | Win | Watanabe Tatsuya | 2131.87 |
| 3 | Black | Win | Itami Yoshiyuki | 2167.39 |
| 4 | White | Win | Ono Takayuki | 2301.96 |
| 5 | Black | Win | Kato Yasuhiro | 2046.67 |
| 30th Seiun-sen Tournament. Hamamatsu area | ||||
| Date | 2006-01-15 | Rating | 2410.51 | |
| Round | Color | Result | Opponent | |
| Black | Win | Ozawa Tetsushi | 2014.64 | |
| Black | Loss | Koide Morihiro | 2087.35 | |
| Black | Win | Yamamoto Hukue | 1629.55 | |
| 37th Kyoto Classified - group 1 | ||||
| Date | 2005-11-13 | Rating | 2402.88 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Ono Takayuki | 2294.30 |
| 2 | White | Win | Hayashi Koji | 2004.07 |
| 3 | Black | Win | Koyama Jun | 2302.23 |
| 4 | White | Draw | Itami Yoshiyuki | 2177.91 |
| 5 | Black | Win | Shinoda Kiyoshi | 2344.73 |
| 6 | White | Win | Takehara Kenji | 1791.12 |
| The 43rd Meijin-sen Tournament | ||||
| Date | 2005-09-19 | Rating | 2390.36 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Okabe Hiroshi | 2587.62 |
| 2 | White | Draw | Ishitani Shin-ichi | 2396.79 |
| 3 | White | Loss | Yamaguchi Yusui | 2587.70 |
| 4 | White | Win | Takashima Junya | 2508.64 |
| 5 | White | Win | Sato Kiyotomi | 2390.54 |
| 6 | White | Win | Kawate Kozo | 2171.15 |
| 7 | White | Loss | Hasegawa Kazuto | 2700.72 |
| 8 | White | Loss | Matsuura Hiroshi | 2347.45 |
| 9 | Black | Win | Tanaka Koichi | 2331.48 |
| World Championship 2005, BT | ||||
| Date | 2005-08-05 | Rating | 2377.02 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Yamaguchi Yusui | 2578.53 |
| 2 | White | Win | Omata Mitsuo | 1710.05 |
| 3 | Black | Loss | Huang Sheng-Hsun | 2105.48 |
| 4 | White | Loss | Eriksson Marcus | 2263.92 |
| 5 | Black | Win | Saranchin Aleksandr | 2024.29 |
| 6 | White | Win | Timmermann Alvar | 2116.06 |
| 7 | White | Loss | Jonsson Peter | 2368.14 |
| 8 | White | Win | Lillemets Rauni | 2142.52 |
| 9 | Black | Win | Miyagawa Junzo | 2247.04 |
| World Championship 2005, QT | ||||
| Date | 2005-07-31 | Rating | 2376.31 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2464.21 |
| 2 | White | Win | Wang Chih-Kung | 2204.71 |
| 3 | White | Loss | Andersson Tord | 2384.67 |
| 4 | White | Loss | Lents Johann | 2533.18 |
| 5 | White | Win | Poghosyan Albert | 2375.25 |
| 6 | Black | Loss | Kozhin Mikhail | 2552.57 |
| 7 | White | Win | Yamaguchi Yusui | 2576.66 |
| 1st Kansai Championship 1st round | ||||
| Date | 2005-07-10 | Rating | 2373.06 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Masutani Hiroshi | 1834.13 |
| 2 | White | Loss | Ozawa Tetsushi | 2034.80 |
| 3 | Black | Loss | Tsujibayashi Taro | 2046.62 |
| 4 | White | Win | Ishibashi Hiroaki | 1759.69 |
| 5 | White | Win | Maki Tatsuya | 1588.88 |
| 43rd Meijinsen Qualification: Kansai area - 2nd round | ||||
| Date | 2005-06-19 | Rating | 2373.69 | |
| Round | Color | Result | Opponent | |
| Black | Loss | Takashima Junya | 2491.20 | |
| Black | Win | Tamura Kazumasa | 2353.80 | |
| Black | Win | Matsui Tsunehiro | 2162.63 | |
| 43rd Meijinsen Qualification: Kansai area 1st round | ||||
| Date | 2005-05-08 | Rating | 2373.26 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Adachi Yasuhiro | 2042.96 |
| 2 | White | Win | Koiso Shigemasa | 2220.89 |
| 3 | White | Win | Yasumoto Yoshinobu | 2032.39 |
| 4 | White | Win | Takashima Junya | 2484.27 |
| Japan WC Qualification tournament | ||||
| Date | 2005-04-03 | Rating | 2368.22 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Miyagawa Junzo | 2251.94 |
| 2 | Black | Win | Arita Nobuyoshi | 2300.17 |
| 3 | White | Win | Tamura Kazumasa | 2342.87 |
| 4 | Black | Win | Kato Yasuhiro | 2023.16 |
| 5 | Black | Loss | Okabe Hiroshi | 2580.94 |
| 6 | White | Draw | Miyoshi Takeo | 2271.23 |
| 38th Touryumon-Sen Tournament | ||||
| Date | 2005-03-20 | Rating | 2366.26 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Tsujibayashi Taro | 2040.55 |
| 2 | White | Win | Miyagawa Sou | 2127.22 |
| 3 | Black | Loss | Takashima Junya | 2474.27 |
| 4 | Black | Win | Ozawa Tetsushi | 2034.96 |
| 5 | White | Win | Sugiyama Taro | 1917.75 |
| 6 | White | Loss | Shinoda Kiyoshi | 2316.87 |