Yamaguchi Yusui (山口釉水)
Place: Tokyo, Japan
Rating: 2589.98, Std: 294.71, Rank: -
First game: 1983-11-22, Last game: 2013-09-16
Top rating: 2654.83 (2007-08-15)
Games: 393, Wins: 241, Draws: 41, Losses: 111
Gy1: 0, Gy2: 0, Gy5: 0
| 51 Meijinsen Tournament | ||||
|---|---|---|---|---|
| Date | 2013-09-16 | Rating | 2589.98 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Okabe Hiroshi | 2752.50 |
| 2 | White | Win | Hata Masayuki | 2255.38 |
| 3 | White | Win | Kawano Takahisa | 2368.14 |
| 4 | White | Win | Kawate Kozo | 2191.63 |
| 5 | White | Loss | Sato Kiyotomi | 2469.54 |
| 6 | White | Loss | Hasegawa Kazuto | 2620.22 |
| 7 | White | Loss | Kamiya Shunsuke | 2557.27 |
| 8 | White | Win | Mano Yoshihisa | 2313.97 |
| 9 | White | Loss | Oosumi Yuuki | 2843.69 |
| 50th Meijinsen Tournament | ||||
| Date | 2012-09-17 | Rating | 2652.01 | |
| Round | Color | Result | Opponent | |
| 1 | White | Draw | Hasegawa Kazuto | 2581.45 |
| 2 | White | Win | Nagasoe Hiroki | 2547.72 |
| 3 | White | Win | Iio Yoshihiro | 2468.33 |
| 4 | White | Draw | Nakamura Shigeru | 2879.70 |
| 5 | White | Loss | Nakayama Tomoharu | 2624.02 |
| 6 | Black | Win | Okabe Hiroshi | 2709.08 |
| 7 | White | Win | Ono Takayuki | 2428.48 |
| 8 | White | Win | Matsuura Hiroshi | 2327.32 |
| 9 | White | Win | Fukui Nobuhiro | 2541.02 |
| 49 Meijinsen Match R3,R4 | ||||
| Date | 2011-12-18 | Rating | 2651.94 | |
| Round | Color | Result | Opponent | |
| 3 | White | Draw | Oosumi Yuuki | 2781.74 |
| 4 | White | Loss | Oosumi Yuuki | 2781.74 |
| 49 Meijinsen Match R1,R2 | ||||
| Date | 2011-10-16 | Rating | 2652.92 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Oosumi Yuuki | 2767.49 |
| 2 | White | Loss | Oosumi Yuuki | 2767.49 |
| 49th Meijinsen Tournament | ||||
| Date | 2011-09-19 | Rating | 2652.39 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Miyoshi Takeo | 2158.96 |
| 2 | White | Draw | Hasegawa Kazuto | 2556.53 |
| 3 | White | Win | Nakayama Tomoharu | 2578.44 |
| 4 | White | Win | Kubo Izumi | 2110.98 |
| 5 | White | Win | Okabe Hiroshi | 2705.43 |
| 6 | Black | Win | Kashihara Akihiko | 2256.93 |
| 7 | White | Win | Matsuura Hiroshi | 2379.69 |
| 8 | Black | Win | Iio Yoshihiro | 2492.38 |
| 9 | White | Win | Sakashita Shoichi | 2144.20 |
| 49 Meijinsen Qualification East-Japan area 2nd round | ||||
| Date | 2011-07-10 | Rating | 2638.88 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Nakayama Tomoharu | 2563.08 |
| 2 | White | Loss | Nagao Noriaki | 2422.05 |
| 3 | White | Win | Kamiya Shunsuke | 2420.13 |
| 4 | Black | Draw | Nakamura Shigeru | 2859.44 |
| 5 | White | Win | Isobe Taizan | 2408.64 |
| 28th Kanto Championship | ||||
| Date | 2011-05-22 | Rating | 2627.77 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Iwano Fumio | 2130.28 |
| 2 | Black | Win | Tomobe Katsuhiro | 2226.38 |
| 3 | White | Win | Ono Takayuki | 2394.17 |
| 4 | White | Loss | Nakamura Shigeru | 2860.47 |
| 5 | White | Loss | Ishitani Shin-ichi | 2391.35 |
| 48th Meijinsen Tournament | ||||
| Date | 2010-09-20 | Rating | 2590.16 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Kawano Takahisa | 2319.38 |
| 2 | White | Loss | Ishitani Shin-ichi | 2389.83 |
| 3 | White | Loss | Tamada Yoichi | 2496.74 |
| 4 | White | Loss | Matsuura Hiroshi | 2390.40 |
| 5 | White | Win | Koiso Shigemasa | 2172.11 |
| 6 | White | Win | Sakamoto Suzan | 2349.80 |
| 7 | White | Win | Iio Yoshihiro | 2528.68 |
| 8 | White | Loss | Oosumi Yuuki | 2701.73 |
| 9 | White | Win | Okabe Hiroshi | 2694.79 |
| 48th Meijinsen Qualification East-Japan area 2nd round | ||||
| Date | 2010-07-11 | Rating | 2586.94 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Ono Takayuki | 2390.53 |
| 2 | White | Win | Tada Ayako | 2192.55 |
| 3 | White | Win | Kudomi Takahiro | 2397.45 |
| 4 | White | Loss | Tamada Yoichi | 2483.51 |
| 5 | White | Win | Tamura Kazumasa | 2507.55 |
| 27th Kanto Championship | ||||
| Date | 2010-05-23 | Rating | 2582.91 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Kato Yasuhiro | 2092.75 |
| 2 | White | Loss | Oosumi Yuuki | 2665.04 |
| 3 | Black | Win | Tomobe Katsuhiro | 2207.06 |
| 4 | White | Win | Ono Takayuki | 2390.04 |
| 5 | White | Loss | Nakamura Shigeru | 2856.58 |
| Team World Championship 2010 | ||||
| Date | 2010-05-05 | Rating | 2581.73 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Tamada Yoichi | 2461.87 |
| 3 | White | Win | Xi Zhenyang | 2445.91 |
| 4 | White | Loss | Lin Huang-Yu | 2668.57 |
| 5 | White | Win | Nikonov Konstantin | 2610.88 |
| 7 | White | Loss | Soosõrv Ants | 2714.00 |
| 8 | White | Win | Lin Huang-Yu | 2668.57 |
| 9 | White | Loss | Xi Zhenyang | 2445.91 |
| 10 | White | Loss | Soosõrv Ants | 2714.00 |
| 5th All Japan Championship | ||||
| Date | 2010-03-21 | Rating | 2583.21 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Fujikawa Masaki | 2033.30 |
| 2 | White | Loss | Nagao Noriaki | 2371.54 |
| 3 | White | Win | Miyagawa Sou | 2131.38 |
| 4 | White | Win | Kawasaki Nobuhiko | 2178.84 |
| 5 | White | Win | Iio Yoshihiro | 2529.62 |
| 6 | White | Win | Ishitani Shin-ichi | 2396.75 |
| 13th Mikami Cup Tournament | ||||
| Date | 2010-01-31 | Rating | 2584.26 | |
| Round | Color | Result | Opponent | |
| S1 | White | Win | Tamura Kazumasa | 2511.92 |
| S2 | White | Win | Ishitani Shin-ichi | 2386.58 |
| S3 | Black | Loss | Nakamura Shigeru | 2855.85 |
| S4 | White | Win | Sato Kiyotomi | 2418.03 |
| S5 | Black | Win | Mitsumori Masao | 2298.51 |
| 47th Meijinsen tournament | ||||
| Date | 2009-09-22 | Rating | 2573.86 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Sakamoto Suzan | 2311.11 |
| 2 | Black | Loss | Iio Yoshihiro | 2514.39 |
| 3 | Black | Win | Tamura Kazumasa | 2506.15 |
| 4 | White | Win | Matsuura Hiroshi | 2364.68 |
| 5 | White | Loss | Kawamura Norihiko | 2631.93 |
| 6 | White | Win | Kataoka Mitsuaki | 2256.06 |
| 7 | Black | Win | Ishitani Shin-ichi | 2368.05 |
| 8 | White | Loss | Oosumi Yuuki | 2625.13 |
| 9 | White | Loss | Okabe Hiroshi | 2670.96 |
| 47th Meijinsen Qualification East-Japan area final round | ||||
| Date | 2009-07-05 | Rating | 2572.90 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Mitsumori Masao | 2338.79 |
| 2 | White | Win | Kudomi Takahiro | 2364.95 |
| 3 | White | Win | Arita Nobuyoshi | 2367.53 |
| 4 | White | Draw | Tamura Kazumasa | 2510.27 |
| 5 | Black | Win | Ono Takayuki | 2402.21 |
| 26th Kanto Championship | ||||
| Date | 2009-05-17 | Rating | 2567.64 | |
| Round | Color | Result | Opponent | |
| 2 | White | Win | Arita Nobuyoshi | 2369.79 |
| 3 | White | Draw | Okabe Hiroshi | 2668.81 |
| 4 | White | Loss | Isobe Taizan | 2405.82 |
| 4th All Japan Championship | ||||
| Date | 2009-03-21 | Rating | 2563.64 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Tamada Yoichi | 2296.20 |
| 2 | White | Loss | Ono Takayuki | 2412.19 |
| 3 | White | Win | Iwano Fumio | 2173.68 |
| 4 | Black | Loss | Tamura Kazumasa | 2511.32 |
| 5 | Black | Win | Miyoshi Takeo | 2209.86 |
| 6 | Black | Loss | Mitsumori Masao | 2347.03 |
| 12th Mikami Cup Tournament | ||||
| Date | 2009-01-18 | Rating | 2570.78 | |
| Round | Color | Result | Opponent | |
| S1 | Black | Win | Arita Nobuyoshi | 2379.72 |
| S2 | White | Draw | Oosumi Yuuki | 2590.24 |
| S3 | White | Loss | Kawamura Norihiko | 2654.88 |
| S4 | White | Win | Nagao Noriaki | 2264.33 |
| S5 | Black | Win | Ishitani Shin-ichi | 2395.91 |
| 46th Meijinsen Tournament | ||||
| Date | 2008-09-15 | Rating | 2580.86 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Oosumi Yuuki | 2559.39 |
| 2 | Black | Win | Kataoka Mitsuaki | 2248.88 |
| 3 | White | Loss | Matsuura Hiroshi | 2326.25 |
| 4 | White | Loss | Iio Yoshihiro | 2506.65 |
| 5 | White | Win | Hata Masayuki | 2258.71 |
| 6 | Black | Loss | Kawamura Norihiko | 2661.10 |
| 7 | Black | Loss | Okabe Hiroshi | 2689.86 |
| 8 | Black | Win | Sato Kiyotomi | 2441.98 |
| 9 | White | Win | Ishitani Shin-ichi | 2394.88 |
| 3rd All Japan Championship | ||||
| Date | 2008-03-23 | Rating | 2611.75 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Maruta Koji | 2082.99 |
| 2 | Black | Win | Ono Takayuki | 2394.53 |
| 3 | White | Loss | Isobe Taizan | 2434.97 |
| 4 | Black | Win | Miyoshi Takeo | 2275.50 |
| 5 | White | Win | Iio Yoshihiro | 2523.50 |
| 6 | Black | Loss | Nakamura Shigeru | 2854.91 |
| The 45th Meijin-sen Match | ||||
| Date | 2007-11-24 | Rating | 2634.97 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Hasegawa Kazuto | 2766.59 |
| 2 | White | Draw | Hasegawa Kazuto | 2766.59 |
| 3 | White | Loss | Hasegawa Kazuto | 2766.59 |
| The 45th Meijin-sen Tournament | ||||
| Date | 2007-09-17 | Rating | 2651.58 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hiwatashi Kikuma | 1884.97 |
| 2 | Black | Win | Oosumi Yuuki | 2555.11 |
| 3 | White | Win | Isobe Taizan | 2434.82 |
| 4 | Black | Win | Sato Kiyotomi | 2397.82 |
| 5 | White | Win | Matsuura Hiroshi | 2300.37 |
| 6 | White | Win | Okabe Hiroshi | 2639.69 |
| 7 | Black | Win | Kawamura Norihiko | 2630.39 |
| 8 | Black | Win | Miyoshi Takeo | 2301.69 |
| 9 | Black | Loss | Iio Yoshihiro | 2536.37 |
| World Championship 2007, AT | ||||
| Date | 2007-08-15 | Rating | 2654.83 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Purk Andry | 2633.61 |
| 2 | White | Win | Savrasova Yulia | 2695.37 |
| 3 | White | Win | Iio Yoshihiro | 2537.99 |
| 4 | White | Win | Oll Aivo | 2654.37 |
| 5 | Black | Win | Okabe Hiroshi | 2630.93 |
| 6 | White | Loss | Karlsson Stefan | 2611.40 |
| 7 | Black | Loss | Wu Di | 2703.25 |
| 8 | White | Win | Sushkov Vladimir | 2758.35 |
| 9 | White | Win | Kozhin Mikhail | 2596.08 |
| 10 | Black | Loss | Taimla Tunnet | 2760.17 |
| 11 | White | Loss | Chingin Konstantin | 2798.09 |
| The 5th Shanghai Renju Meijin Invitation Tournament | ||||
| Date | 2007-05-03 | Rating | 2644.93 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Okabe Hiroshi | 2617.30 |
| 2 | Black | Loss | Cao Dong | 2626.21 |
| 3 | White | Win | Ge Chongyu | 2390.63 |
| SF1 | White | Draw | Qiu Yunfei | 2502.77 |
| SF2 | White | Loss | Yu Manjiang | 2578.10 |
| SF3 | Black | Draw | Wu Hao | 2615.37 |
| SF4 | White | Loss | Ge Lingfeng | 2468.98 |
| 2nd All Japan Championship (WC Qualification) | ||||
| Date | 2007-03-25 | Rating | 2647.47 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Nagao Noriaki | 2233.94 |
| 2 | White | Win | Koyama Jun | 2375.25 |
| 3 | White | Win | Miyagawa Junzo | 2274.58 |
| 4 | Black | Win | Ono Takayuki | 2341.58 |
| 5 | White | Win | Isobe Taizan | 2426.93 |
| 6 | Black | Win | Oosumi Yuuki | 2506.63 |
| Kyushu Championship | ||||
| Date | 2006-11-12 | Rating | 2640.84 | |
| Round | Color | Result | Opponent | |
| A | White | Win | Nishimura Toshio | 2347.51 |
| A | Black | Win | Kuga Akio | 2313.64 |
| A | Black | Win | Tanaka Koichi | 2354.66 |
| A | Black | Win | Hiwatashi Kikuma | 1905.37 |
| 7th Kanto Renju Emperor Tournament - 1st round | ||||
| Date | 2006-10-15 | Rating | 2638.00 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Kuramoto Hideharu | 1874.82 |
| 2 | White | Win | Hara Masao | 2091.24 |
| 3 | Black | Win | Nagao Noriaki | 2244.44 |
| 4 | Black | Loss | Sato Kiyotomi | 2441.14 |
| 5 | Black | Win | Abiko Setsuko | 2035.60 |
| The 44th Meijin-sen Tournament | ||||
| Date | 2006-09-18 | Rating | 2637.00 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Okabe Hiroshi | 2600.77 |
| 2 | Black | Win | Ishitani Shin-ichi | 2361.85 |
| 3 | White | Win | Matsuura Hiroshi | 2299.11 |
| 4 | Black | Win | Iio Yoshihiro | 2511.56 |
| 5 | White | Win | Oosumi Yuuki | 2453.68 |
| 6 | White | Win | Fujii Naoki | 2135.45 |
| 7 | Black | Loss | Sato Kiyotomi | 2440.95 |
| 8 | White | Win | Nagao Noriaki | 2241.70 |
| 9 | White | Loss | Kawamura Norihiko | 2664.52 |
| Asian Championship 2006 | ||||
| Date | 2006-08-15 | Rating | 2634.76 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Choi Yun Suk | 2267.51 |
| 2 | Black | Win | Lin Huang-Yu | 2435.14 |
| 3 | White | Win | Park Eol | 2255.08 |
| 4 | Black | Draw | Iio Yoshihiro | 2510.76 |
| 5 | Black | Loss | Kim Chang-Hoon | 2542.33 |
| 6 | White | Win | Kim Gyu-Hyeon | 2491.51 |
| 7 | Black | Draw | Okabe Hiroshi | 2596.98 |
| 8 | White | Loss | Kim Byoung-Jun | 2503.75 |
| 23rd Kanto Championship | ||||
| Date | 2006-05-21 | Rating | 2636.57 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Hara Masao | 2082.16 |
| 2 | White | Win | Kudomi Takahiro | 2281.51 |
| 3 | White | Draw | Nakamura Shigeru | 2845.41 |
| 4 | White | Win | Mitsumori Masao | 2257.45 |
| 5 | Black | Draw | Okabe Hiroshi | 2595.23 |
| 1st All Japan Championship | ||||
| Date | 2006-03-26 | Rating | 2634.85 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Kudomi Takahiro | 2282.25 |
| 2 | White | Win | Mitsumori Masao | 2259.93 |
| 3 | Black | Win | Oosumi Yuuki | 2419.87 |
| 4 | White | Win | Isobe Taizan | 2424.22 |
| 5 | Black | Win | Takashima Junya | 2508.64 |
| 6 | White | Win | Iio Yoshihiro | 2493.11 |
| The 4th Shanghai Renju Meijin Invitation Tournament | ||||
| Date | 2006-03-20 | Rating | 2633.80 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Takashima Junya | 2508.96 |
| 2 | Black | Win | Ge Lingfeng | 2390.04 |
| 3 | White | Draw | Chen Lin | 2506.71 |
| 4 | Black | Draw | Xue Wenxi | 2378.86 |
| 5 | White | Win | Cao Dong | 2549.22 |
| 6 | White | Win | Wu Di | 2588.50 |
| 7 | Black | Win | Ge Chongyu | 2427.07 |
| 6th Kanto Renju Emperor Tournament - Final match | ||||
| Date | 2005-12-04 | Rating | 2602.37 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Okabe Hiroshi | 2593.80 |
| 2 | White | Win | Okabe Hiroshi | 2593.80 |
| 3 | Black | Draw | Okabe Hiroshi | 2593.80 |
| 4 | White | Loss | Okabe Hiroshi | 2593.80 |
| 37th Kyoto Classified - Special class | ||||
| Date | 2005-11-13 | Rating | 2597.42 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Doi Manabu | 2101.45 |
| 2 | Black | Loss | Okabe Hiroshi | 2592.35 |
| 3 | Black | Win | Matsuo Toshiko | 2014.36 |
| 4 | White | Win | Miyagawa Junzo | 2250.36 |
| 5 | White | Loss | Takashima Junya | 2517.31 |
| 6th Kanto Renju Emperor Tournament - Semifinal | ||||
| Date | 2005-10-23 | Rating | 2594.61 | |
| Round | Color | Result | Opponent | |
| Black | Draw | Okabe Hiroshi | 2590.60 | |
| Black | Win | Isobe Taizan | 2456.67 | |
| Black | Win | Kamemoto Daichi | 2179.68 | |
| Black | Win | Sato Kiyotomi | 2393.55 | |
| Black | Win | Koyama Jun | 2298.74 | |
| 6th Kanto Renju Emperor Tournament - 1st round | ||||
| Date | 2005-10-22 | Rating | 2594.39 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Maruta Hiroki | 1955.67 |
| 2 | Black | Win | Arita Nobuyoshi | 2345.44 |
| 3 | White | Win | Kubo Izumi | 2139.66 |
| 4 | White | Loss | Isobe Taizan | 2456.86 |
| The 43rd Meijin-sen Tournament | ||||
| Date | 2005-09-19 | Rating | 2588.57 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Takashima Junya | 2509.57 |
| 2 | White | Win | Hasegawa Kazuto | 2701.74 |
| 3 | Black | Win | Oosumi Yuuki | 2391.15 |
| 4 | White | Win | Sato Kiyotomi | 2391.42 |
| 5 | Black | Draw | Tanaka Koichi | 2332.25 |
| 6 | White | Win | Matsuura Hiroshi | 2348.39 |
| 7 | White | Win | Kawate Kozo | 2172.09 |
| 8 | White | Win | Ishitani Shin-ichi | 2397.58 |
| 9 | White | Loss | Okabe Hiroshi | 2588.51 |
| World Championship 2005, BT | ||||
| Date | 2005-08-05 | Rating | 2579.38 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Oosumi Yuuki | 2377.78 |
| 2 | White | Win | Jonsson Peter | 2369.02 |
| 3 | Black | Win | Lind Björn | 2258.21 |
| 4 | White | Win | Sandstrom Richard | 2268.33 |
| 5 | Black | Loss | Kozhin Mikhail | 2550.29 |
| 6 | White | Win | Poghosyan Albert | 2375.68 |
| 7 | Black | Win | Karasyov Maxim | 2527.40 |
| 8 | White | Win | Ishitani Shin-ichi | 2401.90 |
| 9 | Black | Win | Chen Ko-Han | 2504.03 |
| World Championship 2005, QT | ||||
| Date | 2005-07-31 | Rating | 2577.51 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Cheng Wei-Yuan | 2371.98 |
| 2 | White | Win | Andersson Tord | 2385.51 |
| 3 | White | Draw | Sushkov Vladimir | 2695.35 |
| 4 | White | Loss | Karlsson Stefan | 2543.61 |
| 5 | White | Draw | Iio Yoshihiro | 2465.07 |
| 6 | White | Loss | Tarannikov Yuriy | 2613.90 |
| 7 | Black | Loss | Oosumi Yuuki | 2377.07 |
| 22nd Kanto Championship | ||||
| Date | 2005-05-22 | Rating | 2561.21 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Ono Takayuki | 2292.16 |
| 2 | Black | Win | Koyama Jun | 2275.32 |
| 3 | White | Loss | Okabe Hiroshi | 2583.88 |
| 4 | White | Loss | Arita Nobuyoshi | 2318.91 |
| 5 | White | Win | Nagao Noriaki | 2230.50 |
| The 3rd Shanghai Renju Meijin Invitation Tournament | ||||
| Date | 2005-05-04 | Rating | 2558.62 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Xue Wenxi | 2393.70 |
| 2 | White | Draw | Cao Dong | 2481.62 |
| 3 | White | Win | Ishitani Shin-ichi | 2392.16 |
| 4 | White | Win | Wu Di | 2552.80 |
| 5 | White | Loss | Chen Wenxia | 2455.89 |
| 6 | White | Loss | Isobe Taizan | 2465.11 |
| 7 | White | Draw | Gu Wei | 2440.87 |
| Japan WC Qualification tournament | ||||
| Date | 2005-04-03 | Rating | 2555.88 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Kubo Izumi | 2169.49 |
| 2 | Black | Win | Nagao Noriaki | 2231.04 |
| 3 | White | Loss | Ono Takayuki | 2294.64 |
| 4 | Black | Draw | Arita Nobuyoshi | 2301.02 |
| 5 | White | Win | Ishitani Shin-ichi | 2386.10 |
| 6 | Black | Win | Tamura Kazumasa | 2343.81 |
| 5th Kanto Renju Emperor Tournament - Final | ||||
| Date | 2005-01-30 | Rating | 2560.10 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Okabe Hiroshi | 2580.85 |
| 2 | White | Loss | Okabe Hiroshi | 2580.85 |
| 5th Kanto Renju Emperor Tournament - 2nd round | ||||
| Date | 2004-12-19 | Rating | 2567.30 | |
| Round | Color | Result | Opponent | |
| White | Win | Mitsumori Masao | 2245.85 | |
| White | Win | Kudomi Takahiro | 2327.81 | |
| White | Win | Ono Takayuki | 2292.88 | |
| White | Win | Sato Kiyotomi | 2367.56 | |
| White | Win | Okabe Hiroshi | 2575.81 | |
| The 42nd Meijin-sen Match | ||||
| Date | 2004-11-14 | Rating | 2568.40 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Kawamura Norihiko | 2716.77 |
| 2 | White | Loss | Kawamura Norihiko | 2716.77 |
| 3 | Black | Draw | Kawamura Norihiko | 2716.77 |
| 4 | Black | Loss | Kawamura Norihiko | 2716.77 |
| The 2nd Shanghai Renju Meijin Invitation Tournament | ||||
| Date | 2004-05-04 | Rating | 2589.46 | |
| Round | Color | Result | Opponent | |
| Black | Draw | Chen Lin | 2434.77 | |
| Black | Draw | Li Hongbin | 2434.94 | |
| Black | Win | Isobe Taizan | 2431.81 | |
| Black | Win | Ge Lingfeng | 2323.40 | |
| Black | Win | Xue Wenxi | 2378.23 | |
| Black | Win | Mitsumori Masao | 2249.85 | |
| Black | Win | Xu Bin | 2138.79 | |
| 4th Kanto Renju Emperor Tournament - Final | ||||
| Date | 2004-02-29 | Rating | 2593.13 | |
| Round | Color | Result | Opponent | |
| 1 | White | Draw | Okabe Hiroshi | 2556.08 |
| 2 | White | Loss | Okabe Hiroshi | 2556.08 |
| 3 | White | Win | Okabe Hiroshi | 2556.08 |
| 4 | White | Win | Okabe Hiroshi | 2556.08 |
| 7th Mikami Cup - Special Class | ||||
| Date | 2004-01-25 | Rating | 2593.98 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Ishitani Shin-ichi | 2386.14 |
| 2 | White | Win | Okabe Hiroshi | 2555.41 |
| 3 | White | Loss | Kawamura Norihiko | 2718.94 |
| 4 | White | Win | Miyagawa Junzo | 2259.68 |
| 41st Meijin-sen Match | ||||
| Date | 2003-12-21 | Rating | 2594.93 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Hasegawa Kazuto | 2630.14 |
| 2 | White | Win | Hasegawa Kazuto | 2630.14 |
| 3 | White | Loss | Hasegawa Kazuto | 2630.14 |
| 4 | White | Win | Hasegawa Kazuto | 2630.14 |
| 5 | White | Win | Hasegawa Kazuto | 2630.14 |
| 4th Kanto Renju Emperor Tournament - 2nd round | ||||
| Date | 2003-11-30 | Rating | 2593.74 | |
| Round | Color | Result | Opponent | |
| White | Win | Nagao Noriaki | 2280.91 | |
| White | Win | Mitsumori Masao | 2266.19 | |
| White | Win | Maruta Koji | 2228.75 | |
| White | Win | Isobe Taizan | 2423.09 | |
| Black | Draw | Okabe Hiroshi | 2557.97 | |
| 4th Kanto Renju Emperor Tournament - 1st round | ||||
| Date | 2003-11-16 | Rating | 2592.01 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Sato Kiyotomi | 2317.43 |
| 2 | White | Win | Kubo Izumi | 2218.53 |
| 3 | Black | Draw | Maruta Koji | 2230.22 |
| 4 | White | Win | Kudomi Takahiro | 2326.97 |
| World Championship 2003, AT | ||||
| Date | 2003-08-08 | Rating | 2578.93 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Iio Yoshihiro | 2494.66 |
| 2 | White | Loss | Okabe Hiroshi | 2549.52 |
| 3 | Black | Draw | Chingin Konstantin | 2715.27 |
| 4 | White | Loss | Meritee Ando | 2801.50 |
| 5 | White | Loss | Sinyov Igor | 2554.73 |
| 6 | White | Loss | Karlsson Stefan | 2557.46 |
| 7 | White | Win | Gaulitz Joachim | 2406.68 |
| 8 | White | Win | Andersson Tord | 2379.83 |
| 9 | White | Win | Carlsson Martin | 2428.10 |
| 10 | White | Loss | Sushkov Vladimir | 2689.62 |
| 11 | White | Loss | Taimla Tunnet | 2708.60 |
| World Championship 2003, QT | ||||
| Date | 2003-07-31 | Rating | 2579.32 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Lents Johann | 2460.60 |
| 2 | White | Loss | Chen Ko-Han | 2422.05 |
| 3 | Black | Draw | Iio Yoshihiro | 2494.07 |
| 4 | White | Win | Dzainukov Eldar | 2197.72 |
| 5 | White | Win | Ilu Timo | 2447.94 |
| 6 | White | Win | Makarov Pavel | 2515.56 |
| 7 | White | Win | Karlsson Stefan | 2558.20 |
| Japan WC Qualification 2003 | ||||
| Date | 2003-03-22 | Rating | 2574.06 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Iwata Akihisa | 2207.72 |
| 2 | Black | Win | Tashiro Yuichi | 2257.57 |
| 3 | Black | Loss | Miyagawa Junzo | 2267.57 |
| 4 | Black | Win | Hara Masao | 2113.10 |
| 5 | Black | Win | Tamura Kazumasa | 2282.15 |
| The 40th Meijin-sen Match | ||||
| Date | 2002-11-03 | Rating | 2589.84 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Hasegawa Kazuto | 2585.60 |
| 2 | White | Win | Hasegawa Kazuto | 2585.60 |
| 3 | White | Loss | Hasegawa Kazuto | 2585.60 |
| 4 | White | Win | Hasegawa Kazuto | 2585.60 |
| 40th Meijin-sen Tournament | ||||
| Date | 2002-09-16 | Rating | 2590.09 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Hasegawa Kazuto | 2591.33 |
| 2 | White | Win | Kudomi Takahiro | 2392.88 |
| 3 | White | Win | Nishimura Toshio | 2353.52 |
| 4 | White | Win | Matsuura Hiroshi | 2313.27 |
| 5 | White | Win | Okabe Hiroshi | 2474.68 |
| 6 | Black | Win | Iio Yoshihiro | 2432.35 |
| 7 | White | Draw | Ishitani Shin-ichi | 2391.92 |
| 8 | White | Win | Isobe Taizan | 2446.56 |
| 9 | White | Win | Takagawa Teiji | 2359.36 |
| The 39th Meijin-sen Tournament | ||||
| Date | 2001-09-24 | Rating | 2552.23 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Nara Hideki | 2532.35 |
| 2 | White | Win | Takagawa Teiji | 2338.34 |
| 3 | White | Draw | Hayakawa Yoshimi | 2415.58 |
| 4 | Black | Win | Nishimura Toshio | 2369.30 |
| 5 | Black | Draw | Iio Yoshihiro | 2417.62 |
| 6 | White | Win | Maruyama Yasushi | 2197.80 |
| 7 | White | Loss | Hasegawa Kazuto | 2575.07 |
| 8 | White | Win | Matsuura Hiroshi | 2252.69 |
| 9 | Black | Loss | Kudomi Takahiro | 2389.25 |
| 34th Meijin-sen Tournament | ||||
| Date | 1996-09-23 | Rating | 2426.48 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Ooi Kozo | 2313.38 |
| 2 | White | Loss | Hasegawa Kazuto | 2593.21 |
| 3 | Black | Win | Isobe Taizan | 2394.54 |
| 4 | White | Win | Nishizono Norio | 2488.79 |
| 5 | White | Loss | Nishimura Toshio | 2341.38 |
| 6 | Black | Loss | Matsuura Hiroshi | 2166.80 |
| 7 | Black | Win | Sagara Takashi | 2484.82 |
| 8 | White | Loss | Nara Hideki | 2532.32 |
| 9 | White | Loss | Maruyama Yasushi | 2196.04 |
| III Leningrad New Year Prize | ||||
| Date | 1992-01-04 | Rating | 2477.81 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | Bogatyryov Andrey | 2018.42 |
| 2 | Black | Win | Yaroslavtsev Yaroslav | 1936.73 |
| 3 | Black | Win | Smirnov Sergey | 2245.42 |
| 4 | White | Win | Milevsky Alexander | 2239.98 |
| 5 | Black | Win | Mikhailov Nikolay | 2427.65 |
| 6 | White | Win | Eibatov Nizami | 2159.31 |
| 7 | Black | Win | Kozhin Mikhail | 2414.83 |
| World Championship 1991, AT | ||||
| Date | 1991-08-10 | Rating | 2465.92 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Palmgren Jan | 2230.25 |
| 2 | White | Loss | Nakamura Shigeru | 2683.06 |
| 3 | Black | Win | Kozhin Mikhail | 2425.52 |
| 4 | White | Win | Reims Aldis | 2488.44 |
| 5 | Black | Win | Sundling Ingvar | 2347.97 |
| 6 | Black | Win | Voskanyan Eduard | 2352.26 |
| 7 | White | Loss | Nara Hideki | 2514.06 |
| 8 | Black | Win | Unterweger Michael | 1954.50 |
| 9 | White | Win | Sinyov Igor | 2353.48 |
| 10 | Black | Win | Gardström Petter | 2280.66 |
| 11 | White | Win | Hasegawa Kazuto | 2483.16 |
| Leningrad 2 New Year Prize | ||||
| Date | 1991-01-04 | Rating | 2414.91 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Dvoeglazov Vladimir | 2204.47 |
| 2 | Black | Loss | Poghosyan Albert | 2215.05 |
| 3 | White | Loss | Savchenko Igor | 2284.18 |
| 4 | Black | Win | Ilyin Dmitry | 2323.97 |
| 5 | Black | Win | Bogatyryov Andrey | 2035.58 |
| 6 | White | Win | Filinov Vladimir | 2222.45 |
| 7 | Black | Win | Sirategyan Karen | 2167.38 |
| 8 | Black | Loss | Voskanyan Eduard | 2390.37 |
| 9 | White | Loss | Andersons Andris | 2288.94 |
| The 22nd Meijin-sen Match | ||||
| Date | 1984-11-01 | Rating | 2263.87 | |
| Round | Color | Result | Opponent | |
| 1 | White | Draw | Nakamura Shigeru | 2415.49 |
| 1 | White | Loss | Nakamura Shigeru | 2415.49 |
| 2 | Black | Draw | Nakamura Shigeru | 2415.49 |
| 3 | Black | Loss | Nakamura Shigeru | 2415.49 |
| The 21st Meijin-sen Match | ||||
| Date | 1983-11-22 | Rating | 2247.61 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Nakamura Shigeru | 2368.69 |
| 2 | White | Loss | Nakamura Shigeru | 2368.69 |
| 3 | White | Win | Nakamura Shigeru | 2368.69 |
| 4 | Black | Win | Nakamura Shigeru | 2368.69 |
| 5 | White | Loss | Nakamura Shigeru | 2368.69 |