Oosumi Yuuki (大角友希)
Place: Moriyama, Japan
Rating: 2648.67, Std: 185.59, Rank: -
First game: 2005-03-20, Last game: 2018-03-18
Top rating: 2792.97 (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 | 2648.67 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Iio Yoshihiro | 2475.38 |
| 2 | White | Loss | Iio Yoshihiro | 2475.38 |
| 3 | Black | Loss | Iio Yoshihiro | 2475.38 |
| 12 Kansai Championship final match | ||||
| Date | 2017-03-19 | Rating | 2680.88 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hasegawa Kazuto | 2574.99 |
| 2 | White | Loss | Hasegawa Kazuto | 2574.99 |
| 3 | Black | Win | Hasegawa Kazuto | 2574.99 |
| 11 Kansai Championship Final match | ||||
| Date | 2016-04-03 | Rating | 2710.39 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2507.19 |
| 2 | White | Win | Iio Yoshihiro | 2507.19 |
| 3 | Black | Win | Iio Yoshihiro | 2507.19 |
| 53 Meijinsen Tournament | ||||
| Date | 2015-09-22 | Rating | 2730.91 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Iio Yoshihiro | 2487.75 |
| 2 | White | Loss | Koyama Jun | 2580.49 |
| 3 | White | Win | Hasegawa Kazuto | 2615.99 |
| 4 | Black | Win | Kawamura Norihiko | 2576.88 |
| 5 | Black | Draw | Okabe Hiroshi | 2672.04 |
| 6 | White | Win | Matsuura Hiroshi | 2347.99 |
| 7 | White | Win | Ishitani Shin-ichi | 2354.15 |
| 8 | White | Loss | Nakayama Tomoharu | 2716.12 |
| 9 | Black | Draw | Tamada Yoichi | 2529.17 |
| 10 Kansai Championship final match | ||||
| Date | 2015-03-15 | Rating | 2758.76 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Iio Yoshihiro | 2479.81 |
| 2 | White | Win | Iio Yoshihiro | 2479.81 |
| 52 Meijinsen Match | ||||
| Date | 2015-01-10 | Rating | 2766.50 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Nakamura Shigeru | 2851.92 |
| 2 | Black | Draw | Nakamura Shigeru | 2851.92 |
| 3 | White | Draw | Nakamura Shigeru | 2851.92 |
| 4 | Black | Draw | Nakamura Shigeru | 2851.92 |
| 5 | White | Loss | Nakamura Shigeru | 2851.92 |
| 46 Kyoto Classified Tournament | ||||
| Date | 2014-11-09 | Rating | 2771.23 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Loss | Kawamura Norihiko | 2602.48 |
| S2 | White | Win | Fukui Nobuhiro | 2567.21 |
| S3 | Black | Win | Miyagawa Junzo | 2192.34 |
| S4 | Black | Win | Iio Yoshihiro | 2475.01 |
| S5 | White | Win | Okabe Hiroshi | 2696.51 |
| 52 Meijinsen Tournament | ||||
| Date | 2014-09-15 | Rating | 2775.04 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Matsuura Hiroshi | 2317.06 |
| 2 | White | Win | Sato Kiyotomi | 2439.95 |
| 3 | Black | Win | Iio Yoshihiro | 2472.39 |
| 4 | White | Win | Fukui Nobuhiro | 2572.01 |
| 5 | Black | Win | Okabe Hiroshi | 2699.69 |
| 6 | White | Draw | Nakayama Tomoharu | 2671.86 |
| 7 | Black | Win | Hasegawa Kazuto | 2604.45 |
| 8 | Black | Draw | Tamada Yoichi | 2516.29 |
| 9 | Black | Win | Kashihara Akihiko | 2302.16 |
| Team World Championship | ||||
| Date | 2014-05-03 | Rating | 2775.92 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Kamiya Shunsuke | 2561.50 |
| 2 | Black | Loss | Lin Huang-Yu | 2758.76 |
| 3 | Black | Win | Soosõrv Ants | 2698.72 |
| 4 | White | Win | Nikonov Konstantin | 2670.73 |
| 5 | White | Win | Huang Yen-Hua | 2338.02 |
| 6 | Black | Win | Mitsumori Masao | 2298.13 |
| 7 | White | Loss | Lin Huang-Yu | 2758.76 |
| 9 | White | Win | Nikonov Konstantin | 2670.73 |
| 10 | Black | Win | Chang Chia-Cheng | 2146.39 |
| 9th Kansai Championship final match | ||||
| Date | 2014-04-06 | Rating | 2776.23 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Iio Yoshihiro | 2496.68 |
| 2 | Black | Loss | Iio Yoshihiro | 2496.68 |
| 3 | White | Win | Iio Yoshihiro | 2496.68 |
| 4 | White | Win | Iio Yoshihiro | 2496.68 |
| 9th All Japan Championship | ||||
| Date | 2014-01-26 | Rating | 2781.36 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Maruyama Yasushi | 2252.52 |
| 2 | Black | Draw | Iio Yoshihiro | 2498.02 |
| 3 | Black | Win | Tamura Kazumasa | 2487.91 |
| 4 | Black | Draw | Okabe Hiroshi | 2709.84 |
| 5 | Black | Win | Ono Takayuki | 2337.31 |
| 6 | White | Win | Fukui Nobuhiro | 2562.52 |
| 51 Meijinsen Match R3 R4 | ||||
| Date | 2013-12-22 | Rating | 2783.78 | |
| Round | Color | Result | Opponent | |
| 3 | White | Draw | Nakamura Shigeru | 2845.01 |
| 4 | Black | Loss | Nakamura Shigeru | 2845.01 |
| 45 Kyoto Classified Tournament | ||||
| Date | 2013-11-10 | Rating | 2787.70 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Mano Yoshihisa | 2278.20 |
| S2 | White | Draw | Okabe Hiroshi | 2708.71 |
| S3 | Black | Win | Hasegawa Kazuto | 2583.40 |
| S4 | Black | Win | Ishitani Shin-ichi | 2382.66 |
| S5 | Black | Win | Fukui Nobuhiro | 2553.33 |
| 51 Meijinsen Match R1 R2 | ||||
| Date | 2013-10-20 | Rating | 2788.93 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Nakamura Shigeru | 2841.42 |
| 2 | White | Loss | Nakamura Shigeru | 2841.42 |
| 51 Meijinsen Tournament | ||||
| Date | 2013-09-16 | Rating | 2791.80 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Kawano Takahisa | 2340.13 |
| 2 | White | Win | Mano Yoshihisa | 2278.52 |
| 3 | White | Draw | Hasegawa Kazuto | 2580.85 |
| 4 | White | Win | Sato Kiyotomi | 2428.47 |
| 5 | White | Draw | Kamiya Shunsuke | 2520.32 |
| 6 | White | Win | Kawate Kozo | 2165.70 |
| 7 | White | Win | Okabe Hiroshi | 2705.76 |
| 8 | White | Win | Hata Masayuki | 2213.95 |
| 9 | Black | Win | Yamaguchi Yusui | 2562.64 |
| ex | White | Win | Okabe Hiroshi | 2705.76 |
| World Championship AT | ||||
| Date | 2013-08-14 | Rating | 2792.97 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Taimla Tunnet | 2820.41 |
| 2 | Black | Win | Epifanov Dmitry | 2633.25 |
| 3 | White | Win | Salnikov Pavel | 2567.77 |
| 4 | White | Win | Oll Aivo | 2693.73 |
| 5 | Black | Draw | Okabe Hiroshi | 2702.56 |
| 6 | White | Loss | Cao Dong | 2703.90 |
| 7 | White | Win | Wang Qingqing | 2603.70 |
| 8 | Black | Win | Chen Ko-Han | 2632.41 |
| 9 | Black | Win | Lan Zhiren | 2584.09 |
| 10 | White | Draw | Hõbemägi Martin | 2539.89 |
| 11 | Black | Win | Sushkov Vladimir | 2778.99 |
| 8th Kansai Championship final match | ||||
| Date | 2013-05-12 | Rating | 2792.24 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hasegawa Kazuto | 2572.00 |
| 2 | White | Win | Hasegawa Kazuto | 2572.00 |
| 8th All Japan Championship | ||||
| Date | 2013-03-24 | Rating | 2790.26 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tada Ayako | 2254.49 |
| 2 | Black | Win | Nagao Noriaki | 2345.33 |
| 3 | Black | Win | Kudomi Takahiro | 2373.09 |
| 4 | White | Draw | Nakamura Shigeru | 2828.57 |
| 5 | Black | Win | Ishitani Shin-ichi | 2345.17 |
| 6 | Black | Win | Okabe Hiroshi | 2689.60 |
| ex | Black | Win | Nakamura Shigeru | 2828.57 |
| 50 Meijinsen Match R5 | ||||
| Date | 2013-01-27 | Rating | 2782.85 | |
| Round | Color | Result | Opponent | |
| 5 | Black | Loss | Nakamura Shigeru | 2834.70 |
| 50 Meijinsen Match R3,R4 | ||||
| Date | 2012-12-23 | Rating | 2779.32 | |
| Round | Color | Result | Opponent | |
| 3 | White | Draw | Nakamura Shigeru | 2836.37 |
| 4 | White | Loss | Nakamura Shigeru | 2836.37 |
| 44 Kyoto Classified Tournament | ||||
| Date | 2012-11-11 | Rating | 2776.14 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Fukui Nobuhiro | 2510.75 |
| S2 | White | Win | Ono Takayuki | 2380.86 |
| S3 | White | Win | Kudomi Takahiro | 2377.46 |
| S4 | White | Draw | Hasegawa Kazuto | 2561.05 |
| S5 | White | Win | Okabe Hiroshi | 2675.48 |
| 50 Meijinsen Match R1,R2 | ||||
| Date | 2012-10-21 | Rating | 2773.85 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Nakamura Shigeru | 2836.53 |
| 2 | Black | Draw | Nakamura Shigeru | 2836.53 |
| Team World Championship | ||||
| Date | 2012-05-06 | Rating | 2747.09 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Cao Dong | 2662.98 |
| 3 | Black | Loss | Sushkov Vladimir | 2745.65 |
| 5 | White | Draw | Taimla Tunnet | 2803.23 |
| 6 | Black | Loss | Yang Yanxi | 2635.97 |
| 7 | White | Win | Lan Zhiren | 2532.89 |
| 8 | White | Win | Cao Dong | 2662.98 |
| 9 | White | Loss | Yang Yanxi | 2635.97 |
| 10 | White | Loss | Lan Zhiren | 2532.89 |
| 7th Kansai Championship final match | ||||
| Date | 2012-04-01 | Rating | 2748.06 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Kise Katsumi | 2514.33 |
| 2 | Black | Win | Kise Katsumi | 2514.33 |
| 15th Mikami Cup Tournament | ||||
| Date | 2012-03-11 | Rating | 2748.00 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Isobe Taizan | 2382.95 |
| S2 | Black | Win | Mitsumori Masao | 2325.06 |
| S3 | Black | Win | Nakamura Shigeru | 2837.14 |
| S4 | White | Win | Ishitani Shin-ichi | 2344.45 |
| S5 | Black | Win | Kobayashi Koichi | 2180.95 |
| 12 Kanto Renju Emperor Tournament final match | ||||
| Date | 2012-02-12 | Rating | 2745.96 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Nakamura Shigeru | 2836.55 |
| 2 | Black | Draw | Nakamura Shigeru | 2836.55 |
| 3 | White | Draw | Nakamura Shigeru | 2836.55 |
| 7th All Japan Championship | ||||
| Date | 2012-01-29 | Rating | 2745.06 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Fukui Nobuhiro | 2450.96 |
| 2 | White | Win | Kudomi Takahiro | 2384.79 |
| 3 | White | Win | Isobe Taizan | 2383.71 |
| 4 | White | Loss | Nakamura Shigeru | 2836.14 |
| 5 | Black | Win | Mitsumori Masao | 2327.30 |
| 6 | Black | Win | Okabe Hiroshi | 2662.92 |
| 12 Kanto Renju Emperor Tournament 2nd round | ||||
| Date | 2012-01-15 | Rating | 2743.67 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Nakamura Shigeru | 2834.84 |
| 2 | Black | Win | Nakayama Tomoharu | 2559.80 |
| 3 | White | Win | Kamiya Shunsuke | 2425.46 |
| 4 | Black | Win | Mitsumori Masao | 2326.80 |
| 5 | White | Win | Okabe Hiroshi | 2663.96 |
| 49 Meijinsen Match R3,R4 | ||||
| Date | 2011-12-18 | Rating | 2738.83 | |
| Round | Color | Result | Opponent | |
| 3 | Black | Draw | Yamaguchi Yusui | 2607.01 |
| 4 | Black | Win | Yamaguchi Yusui | 2607.01 |
| 43 Kyoto Classified Tournament | ||||
| Date | 2011-11-13 | Rating | 2732.41 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Okumura Toyohiko | 2295.55 |
| S2 | White | Win | Sakamoto Hirouji | 2315.02 |
| S3 | Black | Win | Ishitani Shin-ichi | 2359.13 |
| S4 | White | Loss | Okabe Hiroshi | 2668.50 |
| S5 | White | Win | Hasegawa Kazuto | 2538.94 |
| 12 Kanto Renju Emperor Tournament 1st round | ||||
| Date | 2011-10-23 | Rating | 2728.69 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Koyama Jun | 2416.25 |
| 2 | White | Win | Ishitani Shin-ichi | 2359.51 |
| 3 | White | Win | Kamiya Shunsuke | 2412.24 |
| 4 | White | Win | Nakayama Tomoharu | 2547.89 |
| 49 Meijinsen Match R1,R2 | ||||
| Date | 2011-10-16 | Rating | 2727.11 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Yamaguchi Yusui | 2607.64 |
| 2 | Black | Win | Yamaguchi Yusui | 2607.64 |
| World Championship AT | ||||
| Date | 2011-08-10 | Rating | 2713.66 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Andersson Tord | 2400.88 |
| 2 | Black | Loss | Huang Jin-xian | 2563.48 |
| 3 | Black | Loss | Sushkov Vladimir | 2741.95 |
| 4 | White | Draw | Okabe Hiroshi | 2667.25 |
| 5 | Black | Draw | Lin Huang-Yu | 2733.94 |
| 6 | White | Win | Artemyev Sergey | 2566.94 |
| 7 | White | Win | Hou I-Cheng | 2465.14 |
| 8 | Black | Win | Dai Xiaohan | 2660.39 |
| 9 | White | Win | Oll Aivo | 2672.12 |
| 10 | Black | Draw | Cao Dong | 2666.45 |
| 11 | Black | Draw | Taimla Tunnet | 2768.74 |
| 28th Kanto Championship | ||||
| Date | 2011-05-22 | Rating | 2701.69 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Kato Yasuhiro | 2041.54 |
| 2 | Black | Draw | Kamiya Shunsuke | 2390.42 |
| 3 | Black | Loss | Fukui Nobuhiro | 2397.53 |
| 4 | Black | Win | Iwano Fumio | 2107.95 |
| 5 | Black | Win | Tamada Yoichi | 2464.01 |
| 6th All Japan Championship | ||||
| Date | 2011-03-27 | Rating | 2699.36 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Miyagawa Junzo | 2190.24 |
| 2 | White | Loss | Tamada Yoichi | 2468.25 |
| 3 | Black | Win | Koiso Shigemasa | 2137.50 |
| 4 | Black | Win | Mano Yoshihisa | 2250.37 |
| 5 | Black | Win | Sato Kiyotomi | 2377.40 |
| 6 | Black | Win | Okabe Hiroshi | 2663.30 |
| 6th Kansai Championship final match | ||||
| Date | 2011-03-20 | Rating | 2699.09 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Iio Yoshihiro | 2475.88 |
| 2 | Black | Win | Iio Yoshihiro | 2475.88 |
| 14th Mikami Cup Tournament | ||||
| Date | 2011-01-30 | Rating | 2695.65 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Isobe Taizan | 2375.91 |
| S2 | Black | Win | Mitsumori Masao | 2298.02 |
| S3 | Black | Win | Nakamura Shigeru | 2822.67 |
| S4 | Black | Win | Ono Takayuki | 2362.89 |
| S5 | White | Win | Ishitani Shin-ichi | 2360.52 |
| 6th Kansai Championship 3rd round | ||||
| Date | 2011-01-09 | Rating | 2692.36 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hata Masayuki | 2164.86 |
| 2 | White | Win | Miyagawa Junzo | 2194.64 |
| 3 | White | Win | Kubo Izumi | 2079.21 |
| 48 Meijinsen Match R3,R4,R5 | ||||
| Date | 2010-12-26 | Rating | 2690.04 | |
| Round | Color | Result | Opponent | |
| 3 | White | Win | Hasegawa Kazuto | 2590.32 |
| 4 | Black | Draw | Hasegawa Kazuto | 2590.32 |
| 5 | Black | Win | Hasegawa Kazuto | 2590.32 |
| 42 Kyoto Classified Tournament | ||||
| Date | 2010-11-14 | Rating | 2681.26 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Miyoshi Takeo | 2111.96 |
| S2 | Black | Win | Okumura Toyohiko | 2302.48 |
| S3 | Black | Draw | Hasegawa Kazuto | 2600.44 |
| S4 | Black | Win | Kudomi Takahiro | 2376.10 |
| S5 | Black | Win | Okabe Hiroshi | 2660.45 |
| 11 Kanto Renju Emperor Tournament 1st round | ||||
| Date | 2010-10-31 | Rating | 2677.67 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Maruta Hiroki | 2080.76 |
| 2 | White | Win | Kudomi Takahiro | 2375.58 |
| 3 | White | Win | Isobe Taizan | 2374.14 |
| 4 | White | Draw | Okabe Hiroshi | 2660.57 |
| 48 Meijinsen Match R1,R2 | ||||
| Date | 2010-10-17 | Rating | 2673.76 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Hasegawa Kazuto | 2607.08 |
| 2 | Black | Loss | Hasegawa Kazuto | 2607.08 |
| 48th Meijinsen Tournament | ||||
| Date | 2010-09-20 | Rating | 2666.60 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Ishitani Shin-ichi | 2360.05 |
| 2 | Black | Win | Koiso Shigemasa | 2144.96 |
| 3 | White | Win | Okabe Hiroshi | 2660.29 |
| 4 | Black | Draw | Kawano Takahisa | 2298.82 |
| 5 | White | Loss | Sakamoto Hirouji | 2313.10 |
| 6 | Black | Draw | Tamada Yoichi | 2451.67 |
| 7 | Black | Win | Matsuura Hiroshi | 2353.08 |
| 8 | Black | Win | Yamaguchi Yusui | 2561.01 |
| 9 | Black | Win | Iio Yoshihiro | 2490.89 |
| 27th Kanto Championship | ||||
| Date | 2010-05-23 | Rating | 2635.75 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tada Ayako | 2160.96 |
| 2 | Black | Win | Yamaguchi Yusui | 2555.13 |
| 3 | Black | Win | Kawamura Norihiko | 2564.43 |
| 4 | Black | Loss | Nakamura Shigeru | 2823.22 |
| 5 | White | Loss | Okabe Hiroshi | 2664.39 |
| Team World Championship | ||||
| Date | 2010-05-05 | Rating | 2630.94 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Nakamura Shigeru | 2822.06 |
| 2 | White | Loss | Li Yi | 2656.37 |
| 3 | White | Win | Sushkov Vladimir | 2737.25 |
| 4 | White | Loss | Taimla Tunnet | 2781.41 |
| 6 | White | Loss | Lin Shu-Hsuan | 2573.72 |
| 7 | Black | Win | Piddubny Konstantin | 2259.18 |
| 8 | Black | Win | Piddubny Konstantin | 2259.18 |
| 9 | White | Win | Väljataga Paul | 2378.16 |
| 10 | White | Draw | Sushkov Vladimir | 2737.25 |
| 5th Kansai Championship final match | ||||
| Date | 2010-03-28 | Rating | 2621.91 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Iio Yoshihiro | 2494.29 |
| 2 | Black | Loss | Iio Yoshihiro | 2494.29 |
| 5th All Japan Championship | ||||
| Date | 2010-03-21 | Rating | 2620.94 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Maruta Hiroki | 2061.36 |
| 2 | White | Win | Tamada Yoichi | 2409.34 |
| 3 | White | Win | Fukui Nobuhiro | 2301.44 |
| 4 | Black | Loss | Ishitani Shin-ichi | 2364.79 |
| 5 | White | Win | Tamura Kazumasa | 2478.57 |
| 6 | White | Win | Nagao Noriaki | 2336.06 |
| 40th Kyoto Classified - Special class | ||||
| Date | 2009-11-09 | Rating | 2602.24 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Okumura Toyohiko | 2300.17 |
| 2 | White | Win | Kubo Izumi | 2088.32 |
| 3 | White | Loss | Hasegawa Kazuto | 2666.42 |
| 4 | White | Win | Okabe Hiroshi | 2642.01 |
| 5 | Black | Draw | Ishitani Shin-ichi | 2345.38 |
| 41 Kyoto Classified Tournament | ||||
| Date | 2009-11-08 | Rating | 2602.10 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Sakamoto Hirouji | 2292.29 |
| S2 | Black | Loss | Miyoshi Takeo | 2139.60 |
| S3 | Black | Win | Matsuo Toshiko | 1957.66 |
| S4 | Black | Win | Mano Yoshihisa | 2286.15 |
| S5 | Black | Win | Tamura Kazumasa | 2475.30 |
| 10 Kanto Renju Emperor Tournament 1st round | ||||
| Date | 2009-10-04 | Rating | 2597.84 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tomobe Katsuhiro | 2129.58 |
| 2 | Black | Win | Tanji Hiroki | 2025.55 |
| 3 | White | Loss | Okabe Hiroshi | 2641.43 |
| 4 | Black | Loss | Tamada Yoichi | 2360.69 |
| 47th Meijinsen tournament | ||||
| Date | 2009-09-22 | Rating | 2597.39 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Matsuura Hiroshi | 2335.13 |
| 2 | White | Win | Sakamoto Hirouji | 2284.95 |
| 3 | Black | Win | Kataoka Mitsuaki | 2232.82 |
| 4 | Black | Draw | Ishitani Shin-ichi | 2345.11 |
| 5 | Black | Win | Iio Yoshihiro | 2483.96 |
| 6 | Black | Loss | Kawamura Norihiko | 2599.37 |
| 7 | White | Draw | Okabe Hiroshi | 2641.10 |
| 8 | Black | Win | Yamaguchi Yusui | 2549.12 |
| 9 | White | Draw | Tamura Kazumasa | 2473.54 |
| World Championship BT | ||||
| Date | 2009-08-13 | Rating | 2595.04 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Golosov Viktor | 2411.56 |
| 2 | Black | Win | Lents Johann | 2462.77 |
| 3 | White | Win | Tamura Kazumasa | 2471.13 |
| 4 | Black | Win | Yu Tien-Lung | 2129.61 |
| 5 | Black | Loss | Pajuste Renee | 2384.78 |
| 6 | White | Win | Lin Huang-Yu | 2583.07 |
| 7 | White | Draw | Yin Licheng | 2469.51 |
| 8 | White | Win | Nowak Paweł | 2402.68 |
| 9 | White | Loss | Tarannikov Yuriy | 2697.26 |
| World Championship QT | ||||
| Date | 2009-08-05 | Rating | 2594.33 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Yao Jinrui | 2304.78 |
| 2 | White | Win | Savrasova Yulia | 2624.87 |
| 3 | Black | Draw | Cao Dong | 2670.35 |
| 4 | White | Draw | Lu Wei-Yuan | 2446.45 |
| 5 | White | Win | Nowak Paweł | 2402.71 |
| 6 | White | Loss | Chen Ko-Han | 2523.17 |
| 7 | White | Draw | Nykl Ondřej | 2509.66 |
| 47th Meijinsen Qualification Kansai area 2nd round | ||||
| Date | 2009-06-21 | Rating | 2589.88 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Kubo Izumi | 2089.77 |
| 2 | Black | Win | Hata Masayuki | 2164.89 |
| 3 | Black | Win | Sakamoto Hirouji | 2280.70 |
| 26th Kanto Championship | ||||
| Date | 2009-05-17 | Rating | 2585.71 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tanji Hiroki | 2013.98 |
| 2 | Black | Win | Mitsumori Masao | 2310.38 |
| 3 | Black | Loss | Isobe Taizan | 2380.33 |
| 4 | White | Win | Shimoyama Takuma | 2217.16 |
| 5 | Black | Win | Kawamura Norihiko | 2607.14 |
| The 6th Shanghai Renju Meijin Invitation Tournament | ||||
| Date | 2009-05-03 | Rating | 2583.95 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Iio Yoshihiro | 2467.04 |
| 2 | White | Loss | Li Yi | 2619.58 |
| 3 | Black | Loss | Gu Wei | 2488.64 |
| 4 | Black | Win | Xu Bin | 2185.08 |
| 5 | Black | Win | Mitsumori Masao | 2310.68 |
| 6 | White | Win | Isobe Taizan | 2380.00 |
| 7 | Black | Win | Yu Manjiang | 2493.18 |
| 4th All Japan Championship | ||||
| Date | 2009-03-21 | Rating | 2579.76 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Kobayashi Koichi | 2097.34 |
| 2 | Black | Win | Miyoshi Takeo | 2185.66 |
| 3 | White | Draw | Tamura Kazumasa | 2473.75 |
| 4 | Black | Draw | Okabe Hiroshi | 2638.31 |
| 5 | Black | Win | Isobe Taizan | 2379.58 |
| 6 | Black | Draw | Nakamura Shigeru | 2822.61 |
| 4th Kansai Championship, final match | ||||
| Date | 2009-03-15 | Rating | 2578.90 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hasegawa Kazuto | 2676.49 |
| 2 | Black | Win | Hasegawa Kazuto | 2676.49 |
| 4 Kansai Championship 3rd round | ||||
| Date | 2009-02-15 | Rating | 2572.21 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Takashima Junya | 2499.88 |
| 2 | White | Win | Iio Yoshihiro | 2464.26 |
| 3 | Black | Win | Tamura Kazumasa | 2467.77 |
| 12th Mikami Cup Tournament | ||||
| Date | 2009-01-18 | Rating | 2563.24 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Mitsumori Masao | 2304.07 |
| S2 | Black | Draw | Yamaguchi Yusui | 2548.96 |
| S3 | White | Loss | Ishitani Shin-ichi | 2366.33 |
| S4 | Black | Loss | Okabe Hiroshi | 2641.41 |
| 9th Kanto Renju Emperor Tournament, 1st round | ||||
| Date | 2008-10-26 | Rating | 2542.44 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Watanabe Yoko | 2045.78 |
| 2 | White | Loss | Nakayama Tomoharu | 2273.62 |
| 3 | Black | Loss | Tamada Yoichi | 2249.72 |
| 4 | Black | Win | Fujikawa Masaki | 2065.28 |
| 46th Meijinsen Tournament | ||||
| Date | 2008-09-15 | Rating | 2537.02 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Yamaguchi Yusui | 2557.57 |
| 2 | White | Loss | Iio Yoshihiro | 2479.40 |
| 3 | Black | Win | Kataoka Mitsuaki | 2229.03 |
| 4 | White | Win | Sato Kiyotomi | 2410.68 |
| 5 | White | Loss | Okabe Hiroshi | 2650.81 |
| 6 | White | Draw | Ishitani Shin-ichi | 2366.66 |
| 7 | White | Win | Hata Masayuki | 2221.09 |
| 8 | White | Loss | Kawamura Norihiko | 2624.44 |
| 9 | White | Win | Matsuura Hiroshi | 2306.42 |
| 3rd Kansai Championship final match | ||||
| Date | 2008-03-16 | Rating | 2528.85 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Hasegawa Kazuto | 2711.52 |
| 2 | White | Loss | Hasegawa Kazuto | 2711.52 |
| 3rd Kansai Championship 3rd round | ||||
| Date | 2008-01-13 | Rating | 2528.46 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tamura Kazumasa | 2393.42 |
| 2 | White | Win | Takagawa Teiji | 2223.27 |
| 3 | Black | Win | Iio Yoshihiro | 2496.08 |
| 39th Kyoto Classified - Special Class | ||||
| Date | 2007-11-11 | Rating | 2523.78 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Tamura Kazumasa | 2388.62 |
| 2 | Black | Win | Kudomi Takahiro | 2314.37 |
| 3 | Black | Win | Miyagawa Junzo | 2236.27 |
| 4 | Black | Loss | Okabe Hiroshi | 2618.23 |
| 5 | White | Loss | Hasegawa Kazuto | 2715.67 |
| 3 Kansai Championship 2nd round | ||||
| Date | 2007-10-21 | Rating | 2522.86 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Ozawa Tetsushi | 2016.25 |
| 2 | White | Win | Koiso Shigemasa | 2148.53 |
| 3 | Black | Win | Tamura Kazumasa | 2387.70 |
| 4 | White | Win | Takagawa Teiji | 2231.38 |
| The 45th Meijin-sen Tournament | ||||
| Date | 2007-09-17 | Rating | 2519.79 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Sato Kiyotomi | 2379.21 |
| 2 | White | Loss | Yamaguchi Yusui | 2612.33 |
| 3 | Black | Win | Matsuura Hiroshi | 2287.30 |
| 4 | White | Win | Kawamura Norihiko | 2606.00 |
| 5 | White | Loss | Isobe Taizan | 2407.05 |
| 6 | White | Win | Miyoshi Takeo | 2267.27 |
| 7 | Black | Win | Okabe Hiroshi | 2608.81 |
| 8 | Black | Draw | Iio Yoshihiro | 2501.74 |
| World Championship BT | ||||
| Date | 2007-08-15 | Rating | 2514.61 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Qiu Yunfei | 2469.16 |
| 2 | White | Win | Serdyukov Egor | 2466.10 |
| 3 | White | Draw | Lu Wei-Yuan | 2414.98 |
| 4 | White | Win | Nokhrin Oleg | 2370.09 |
| 5 | White | Win | Eriksson Marcus | 2274.15 |
| 6 | White | Loss | Lin Huang-Yu | 2503.22 |
| 7 | White | Win | Karasyov Maxim | 2475.23 |
| 8 | White | Win | Sorokina Oksana | 2449.81 |
| 9 | Black | Win | Ishitani Shin-ichi | 2361.84 |
| World Championship QT | ||||
| Date | 2007-08-08 | Rating | 2512.55 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Qiu Yunfei | 2470.06 |
| 2 | White | Win | Eriksson Bjorn | 2315.87 |
| 3 | White | Win | Miyagawa Junzo | 2242.18 |
| 4 | White | Loss | Okabe Hiroshi | 2601.39 |
| 5 | White | Draw | Dvoeglazov Vladimir | 2338.04 |
| 6 | White | Loss | Savrasova Yulia | 2656.93 |
| 7 | Black | Win | Lu Wei-Yuan | 2414.28 |
| 45th Meijinsen Qualification Kansai area final round | ||||
| Date | 2007-06-17 | Rating | 2499.87 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Sakamoto Hirouji | 2269.58 |
| 2 | Black | Win | Hata Masayuki | 2198.84 |
| 3 | White | Loss | Iio Yoshihiro | 2498.04 |
| 45th Meijinsen Qualification Kansai area - 1st round | ||||
| Date | 2007-05-13 | Rating | 2491.71 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Miyagawa Junzo | 2242.02 |
| 2 | Black | Win | Sakamoto Hirouji | 2270.48 |
| 3 | White | Win | Takagawa Teiji | 2241.53 |
| 4 | White | Win | Ozawa Tetsushi | 2007.68 |
| 2nd All Japan Championship (WC Qualification) | ||||
| Date | 2007-03-25 | Rating | 2477.89 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Tanno Yoshitaka | 2104.26 |
| 2 | White | Win | Kato Yasuhiro | 1961.29 |
| 3 | Black | Win | Mitsumori Masao | 2248.85 |
| 4 | White | Win | Nagao Noriaki | 2219.27 |
| 5 | Black | Win | Miyagawa Junzo | 2244.45 |
| 6 | White | Loss | Yamaguchi Yusui | 2611.58 |
| 2nd Kansai Championship 3rd round | ||||
| Date | 2007-01-14 | Rating | 2461.05 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2489.12 |
| 2 | White | Loss | Takashima Junya | 2481.96 |
| 3 | White | Win | Sagara Takashi | 2467.20 |
| 38th Kyoto Classified - Special class | ||||
| Date | 2006-11-12 | Rating | 2447.87 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Hata Masayuki | 2181.13 |
| 2 | Black | Win | Hasegawa Kazuto | 2696.04 |
| 3 | White | Loss | Takashima Junya | 2479.86 |
| 4 | Black | Win | Miyagawa Sou | 2143.20 |
| 5 | Black | Draw | Okabe Hiroshi | 2582.18 |
| 2nd Kansai Championship 2nd round | ||||
| Date | 2006-10-15 | Rating | 2440.22 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Iio Yoshihiro | 2483.04 |
| 2 | Black | Win | Sakamoto Hirouji | 2265.58 |
| 3 | Black | Loss | Sagara Takashi | 2470.93 |
| 4 | Black | Win | Koiso Shigemasa | 2150.89 |
| The 44th Meijin-sen Tournament | ||||
| Date | 2006-09-18 | Rating | 2431.78 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Sato Kiyotomi | 2409.35 |
| 2 | White | Win | Matsuura Hiroshi | 2287.56 |
| 3 | White | Loss | Fujii Naoki | 2114.71 |
| 4 | Black | Draw | Kawamura Norihiko | 2632.61 |
| 5 | Black | Loss | Yamaguchi Yusui | 2604.90 |
| 6 | White | Loss | Iio Yoshihiro | 2482.62 |
| 7 | White | Win | Nagao Noriaki | 2223.25 |
| 8 | White | Draw | Okabe Hiroshi | 2575.50 |
| 9 | Black | Win | Ishitani Shin-ichi | 2345.87 |
| Asian Championship | ||||
| Date | 2006-08-15 | Rating | 2422.97 | |
| Round | Color | Result | Opponent | |
| 1 | White | Draw | Lee Jo-Sub | 2311.54 |
| 2 | Black | Win | Kim Su Chan | 2119.75 |
| 3 | White | Loss | Iio Yoshihiro | 2481.63 |
| 4 | Black | Win | Kwon Jae-Woo | 1891.28 |
| 5 | Black | Loss | Park Eol | 2236.23 |
| 6 | Black | Win | Kashihara Akihiko | 2269.79 |
| 7 | White | Win | Pu Hsun-Fang | 1951.70 |
| 8 | Black | Win | Kim Chang-Hoon | 2503.37 |
| Youth World Championship | ||||
| Date | 2006-08-08 | Rating | 2421.23 | |
| Round | Color | Result | Opponent | |
| a1 | Black | Loss | Zhang Cheng | 2436.67 |
| a2 | Black | Win | Maruta Hiroki | 1984.88 |
| a3 | Black | Win | Blomstedt Torbjorn | 2106.97 |
| a4 | Black | Loss | Oll Aivo | 2622.92 |
| a5 | White | Win | Tanizaki Ryusuke | 2105.34 |
| a6 | Black | Win | Lin Shan | 2138.73 |
| a7 | White | Loss | Wu Hao | 2572.07 |
| a8 | White | Loss | Serdyukov Egor | 2392.73 |
| Meijin-sen Qual, Kansai-Hokuriku area final round | ||||
| Date | 2006-06-18 | Rating | 2412.51 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2478.21 |
| 2 | Black | Win | Hata Masayuki | 2194.34 |
| 3 | White | Win | Takashima Junya | 2473.42 |
| Team World Championship | ||||
| Date | 2006-05-05 | Rating | 2403.68 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Haikonen Kari | 2164.37 |
| 2 | White | Loss | Eriksson Bjorn | 2318.61 |
| 3 | White | Loss | Soosõrv Ants | 2641.24 |
| 4 | Black | Loss | Karasyov Maxim | 2528.74 |
| 5 | White | Loss | Zhu Jianfeng | 2490.48 |
| 6 | Black | Loss | Artemyev Sergey | 2590.80 |
| 7 | Black | Win | Oblikas Mikk | 2235.27 |
| F1 | Black | Win | Eriksson Bjorn | 2318.61 |
| F2 | Black | Loss | Gaulitz Joachim | 2468.89 |
| 1st All Japan Championship | ||||
| Date | 2006-03-26 | Rating | 2401.09 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Nagao Noriaki | 2208.90 |
| 2 | White | Win | Kato Yasuhiro | 2030.33 |
| 3 | White | Loss | Yamaguchi Yusui | 2601.65 |
| 4 | White | Win | Sato Kiyotomi | 2386.15 |
| 5 | Black | Win | Mitsumori Masao | 2243.31 |
| 6 | Black | Loss | Takashima Junya | 2478.93 |
| 9th Mikami Cup - A Class | ||||
| Date | 2006-01-29 | Rating | 2395.42 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Tomobe Katsuhiro | 2071.48 |
| 2 | White | Win | Watanabe Tatsuya | 2114.93 |
| 3 | Black | Win | Itami Yoshiyuki | 2154.60 |
| 4 | White | Win | Ono Takayuki | 2286.02 |
| 5 | Black | Win | Kato Yasuhiro | 2026.84 |
| 30th Seiun-sen Tournament. Hamamatsu area | ||||
| Date | 2006-01-15 | Rating | 2393.01 | |
| Round | Color | Result | Opponent | |
| Black | Win | Ozawa Tetsushi | 2004.83 | |
| Black | Loss | Koide Morihiro | 2070.01 | |
| Black | Win | Yamamoto Hukue | 1623.16 | |
| 37th Kyoto Classified - group 1 | ||||
| Date | 2005-11-13 | Rating | 2385.71 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Ono Takayuki | 2279.26 |
| 2 | White | Win | Hayashi Koji | 1984.05 |
| 3 | Black | Win | Koyama Jun | 2287.60 |
| 4 | White | Draw | Itami Yoshiyuki | 2162.03 |
| 5 | Black | Win | Shinoda Kiyoshi | 2324.71 |
| 6 | White | Win | Takehara Kenji | 1784.53 |
| The 43rd Meijin-sen Tournament | ||||
| Date | 2005-09-19 | Rating | 2375.40 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Okabe Hiroshi | 2561.43 |
| 2 | White | Draw | Ishitani Shin-ichi | 2372.45 |
| 3 | White | Loss | Yamaguchi Yusui | 2565.92 |
| 4 | White | Win | Takashima Junya | 2476.56 |
| 5 | White | Win | Sato Kiyotomi | 2371.15 |
| 6 | White | Win | Kawate Kozo | 2160.05 |
| 7 | White | Loss | Hasegawa Kazuto | 2667.41 |
| 8 | White | Loss | Matsuura Hiroshi | 2324.57 |
| 9 | Black | Win | Tanaka Koichi | 2308.22 |
| World Championship BT | ||||
| Date | 2005-08-05 | Rating | 2365.22 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Yamaguchi Yusui | 2558.77 |
| 2 | White | Win | Omata Mitsuo | 1712.62 |
| 3 | Black | Loss | Huang Sheng-Hsun | 2088.57 |
| 4 | White | Loss | Eriksson Marcus | 2239.23 |
| 5 | Black | Win | Saranchin Aleksandr | 2010.40 |
| 6 | White | Win | Timmermann Alvar | 2096.97 |
| 7 | White | Loss | Jonsson Peter | 2339.98 |
| 8 | White | Win | Lillemets Rauni | 2113.67 |
| 9 | Black | Win | Miyagawa Junzo | 2228.37 |
| World Championship QT | ||||
| Date | 2005-07-31 | Rating | 2364.63 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Iio Yoshihiro | 2444.18 |
| 2 | White | Win | Wang Chih-Kung | 2195.49 |
| 3 | White | Loss | Andersson Tord | 2349.24 |
| 4 | White | Loss | Lents Johann | 2504.21 |
| 5 | White | Win | Poghosyan Albert | 2349.33 |
| 6 | Black | Loss | Kozhin Mikhail | 2529.49 |
| 7 | White | Win | Yamaguchi Yusui | 2557.43 |
| 1st Kansai Championship 1st round | ||||
| Date | 2005-07-10 | Rating | 2362.16 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Masutani Hiroshi | 1822.31 |
| 2 | White | Loss | Ozawa Tetsushi | 2019.21 |
| 3 | Black | Loss | Tsujibayashi Taro | 2033.64 |
| 4 | White | Win | Ishibashi Hiroaki | 1761.28 |
| 5 | White | Win | Maki Tatsuya | 1580.43 |
| 43rd Meijinsen Qualification: Kansai area - 2nd round | ||||
| Date | 2005-06-19 | Rating | 2362.28 | |
| Round | Color | Result | Opponent | |
| Black | Loss | Takashima Junya | 2462.35 | |
| Black | Win | Tamura Kazumasa | 2334.19 | |
| Black | Win | Matsui Tsunehiro | 2148.72 | |
| 43rd Meijinsen Qualification: Kansai area 1st round | ||||
| Date | 2005-05-08 | Rating | 2361.51 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Adachi Yasuhiro | 2022.55 |
| 2 | White | Win | Koiso Shigemasa | 2188.22 |
| 3 | White | Win | Yasumoto Yoshinobu | 2007.03 |
| 4 | White | Win | Takashima Junya | 2456.41 |
| Japan WC Qualification tournament | ||||
| Date | 2005-04-03 | Rating | 2357.90 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Miyagawa Junzo | 2232.43 |
| 2 | Black | Win | Arita Nobuyoshi | 2284.35 |
| 3 | White | Win | Tamura Kazumasa | 2325.40 |
| 4 | Black | Win | Kato Yasuhiro | 2012.85 |
| 5 | Black | Loss | Okabe Hiroshi | 2554.31 |
| 6 | White | Draw | Miyoshi Takeo | 2249.87 |
| 38th Touryumon-Sen Tournament | ||||
| Date | 2005-03-20 | Rating | 2356.56 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Tsujibayashi Taro | 2029.76 |
| 2 | White | Win | Miyagawa Sou | 2108.84 |
| 3 | Black | Loss | Takashima Junya | 2448.02 |
| 4 | Black | Win | Ozawa Tetsushi | 2019.83 |
| 5 | White | Win | Sugiyama Taro | 1902.45 |
| 6 | White | Loss | Shinoda Kiyoshi | 2304.52 |