Iio Yoshihiro, Japan - Renju Rating

Iio Yoshihiro (飯尾義弘)

Place: Kobe, Japan

Birth: 1955-03-30

Rating: 2389.36, Std: 158.43, Rank: 205

First game: 2000-05-21, Last game: 2022-01-10

Top rating: 2559.62 (2016-05-15)

Games: 669, Wins: 342, Draws: 78, Losses: 249

Gy1: 0, Gy2: 0, Gy5: 54

59th Meijinsen Tournament
Date 2022-01-10 Rating 2389.36
Round Color Result Opponent
1 Black Loss Nagasoe Hiroki 2643.53
2 Black Win Hasegawa Kazuto 2560.60
3 White Loss Ono Takayuki 2406.02
4 Black Win Hayashi Shoichi 2143.83
5 Black Loss Kamiya Shunsuke 2845.23
6 White Loss Okabe Hiroshi 2690.35
7 White Win Maruyama Yasushi 2260.98
8 White Loss Nakayama Tomoharu 2810.51
9 White Win Maruta Hiroki 2232.84
53 Kyoto Classified Tournament
Date 2021-11-13 Rating 2385.67
Round Color Result Opponent
S1 White Win Fujita Maiko 2356.24
S2 Black Loss Kawamura Norihiko 2678.66
S3 White Draw Hata Masayuki 2128.02
S4 Black Loss Ishitani Shin-ichi 2322.31
S5 White Loss Hasegawa Kazuto 2559.30
17 Kansai Championship 1st round
Date 2021-10-17 Rating 2386.57
Round Color Result Opponent
1 White Win Toyo Koryu 2084.36
2 White Win Tokonami Shota 2028.15
3 Black Win Sakamoto Suzan 2240.02
4 Black Loss Tanaka Shotaro 2272.76
5 White Win Kito Shinichi 2174.05
59 Meijinsen Qualification Kansai area 2nd round
Date 2021-07-18 Rating 2388.26
Round Color Result Opponent
1 White Loss Hasegawa Kazuto 2572.24
2 White Draw Makino Mitsunori 2557.50
3 Black Win Hayashi Shoichi 2160.84
59 Meijinsen Qualification Kansai area 1st round
Date 2021-06-20 Rating 2388.22
Round Color Result Opponent
1 Black Win Tanaka Toshiki 2415.10
2 White Win Hayashi Shoichi 2162.22
3 White Draw Hasegawa Kazuto 2572.76
4 White Win Hata Masayuki 2133.39
16 Kansai Championship 2nd round
Date 2021-02-21 Rating 2372.40
Round Color Result Opponent
1 Black Loss Sakamoto Suzan 2262.22
2 Black Loss Makino Mitsunori 2553.35
3 Black Loss Kawamura Norihiko 2675.15
16 Kansai Championship 1st round
Date 2020-10-18 Rating 2370.54
Round Color Result Opponent
1 Black Loss Kawamura Norihiko 2679.56
2 Black Win Adachi Tomoya 1593.81
3 White Win Hayashi Shoichi 2162.35
4 Black Win Sakamoto Suzan 2268.22
5 Black Loss Tanaka Shotaro 2241.67
58 Meijinsen Qualification Kansai area 1st round
Date 2020-06-21 Rating 2371.71
Round Color Result Opponent
1 Black Win Hata Masayuki 2131.09
2 Black Loss Sakamoto Suzan 2266.00
3 White Loss Makino Mitsunori 2468.29
4 White Win Kito Shinichi 2166.67
5 White Loss Tachi Masaya 2487.42
15 Kansai Championship 2nd round
Date 2020-02-16 Rating 2385.79
Round Color Result Opponent
1 White Win Kito Shinichi 2168.99
2 White Win Hayashi Shoichi 2163.30
3 Black Loss Makino Mitsunori 2402.37
ex Black Loss Makino Mitsunori 2402.37
15th All Japan Championship
Date 2020-01-19 Rating 2390.50
Round Color Result Opponent
1 White Win Hata Masayuki 2148.78
2 Black Loss Nakayama Tomoharu 2837.40
3 White Loss Makino Mitsunori 2386.60
4 Black Win Fujita Maiko 2345.00
5 White Win Ishitani Shin-ichi 2365.66
6 White Loss Okabe Hiroshi 2724.41
51 Kyoto Classified Tournament
Date 2019-11-04 Rating 2399.98
Round Color Result Opponent
S1 White Win Ozawa Tetsushi 1957.78
S2 Black Loss Tanaka Toshiki 2478.64
S3 Black Win Nishida Toshio 2057.56
S4 White Loss Hasegawa Kazuto 2605.33
S5 White Loss Kawamura Norihiko 2678.11
14 Kansai Championship final match R3
Date 2019-08-19 Rating 2414.69
Round Color Result Opponent
3 Black Loss Hasegawa Kazuto 2603.15
57 Meijinsen Qualification Kansai area 1st round
Date 2019-05-19 Rating 2434.84
Round Color Result Opponent
1 White Win Tanaka Toshiki 2478.15
2 White Loss Hasegawa Kazuto 2591.55
3 White Loss Tachi Masaya 2518.24
4 Black Win Matsui Tsunehiro 2161.08
14 Kansai Championship final match
Date 2019-05-06 Rating 2437.60
Round Color Result Opponent
1 White Loss Hasegawa Kazuto 2589.93
2 Black Win Hasegawa Kazuto 2589.93
14th All Japan Championship
Date 2019-03-31 Rating 2443.58
Round Color Result Opponent
1 White Win Maruta Hiroki 2180.37
2 White Loss Nakayama Tomoharu 2810.85
3 White Win Chigira Makoto 2086.21
4 Black Loss Okabe Hiroshi 2692.80
5 Black Win Ishitani Shin-ichi 2389.34
6 Black Loss Nakamura Shigeru 2987.87
50 Kyoto Classified Tournament
Date 2018-11-11 Rating 2461.04
Round Color Result Opponent
1 White Loss Ishitani Shin-ichi 2415.37
2 Black Win Ozawa Tetsushi 1987.91
3 Black Loss Sakamoto Suzan 2281.06
4 White Win Fujita Maiko 2243.41
5 Black Win Hayashi Shoichi 2134.17
56 Meijinsen Qualification Kansai area 2nd round
Date 2018-06-17 Rating 2493.87
Round Color Result Opponent
1 Black Loss Tachi Masaya 2543.61
2 Black Loss Kawamura Norihiko 2665.34
3 Black Loss Hasegawa Kazuto 2577.53
Team World Championship 2018
Date 2018-05-05 Rating 2508.64
Round Color Result Opponent
1 White Win Piik Sander 2300.12
3 White Win Jonsson Peter 2314.48
4 White Loss Kozhin Mikhail 2680.86
5 White Loss Epifanov Dmitry 2667.56
7 Black Win Semenov Oleg 2426.48
9 White Loss Cao Dong 2795.55
13 Kansai Championship final match
Date 2018-03-18 Rating 2524.36
Round Color Result Opponent
1 White Loss Oosumi Yuuki 2664.19
2 Black Win Oosumi Yuuki 2664.19
3 White Win Oosumi Yuuki 2664.19
13 Kansai Championship 2nd round
Date 2018-02-18 Rating 2530.19
Round Color Result Opponent
1 White Win Hasegawa Kazuto 2578.18
2 White Win Tachi Masaya 2550.70
3 Black Win Matsui Tsunehiro 2164.24
13th All Japan Championship
Date 2018-01-28 Rating 2531.75
Round Color Result Opponent
1 Black Draw Ishitani Shin-ichi 2412.13
2 White Win Miyamoto Syunju 2265.12
3 White Loss Okabe Hiroshi 2710.49
4 White Win Sato Kiyotomi 2428.52
5 White Loss Kamiya Shunsuke 2806.07
6 White Loss Nakayama Tomoharu 2846.11
49 Kyoto Classified Tournament
Date 2017-11-12 Rating 2539.25
Round Color Result Opponent
S1 White Win Nishida Toshio 2059.50
S2 White Win Hasegawa Kazuto 2589.86
S3 Black Loss Kawamura Norihiko 2657.98
S4 White Win Hata Masayuki 2188.29
S5 White Win Ishitani Shin-ichi 2389.63
13 Kansai Championship 1st round
Date 2017-10-22 Rating 2539.63
Round Color Result Opponent
1 Black Win Matsui Tsunehiro 2175.20
3 White Draw Tachi Masaya 2543.62
4 Black Loss Sakamoto Suzan 2271.86
5 White Loss Kawamura Norihiko 2657.05
55 Meijinsen Tournament
Date 2017-09-18 Rating 2544.21
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2805.64
2 White Loss Nakayama Tomoharu 2839.20
3 Black Loss Okabe Hiroshi 2717.10
4 White Win Tamada Yoichi 2505.55
5 Black Win Maruyama Yasushi 2277.45
6 Black Win Hasegawa Kazuto 2593.97
7 White Win Matsuura Hiroshi 2336.97
8 White Win Kawano Takahisa 2429.79
9 Black Loss Sato Kiyotomi 2446.41
55 Meijinsen Qualification Kansai area 2nd round
Date 2017-06-18 Rating 2551.24
Round Color Result Opponent
1 White Win Tachi Masaya 2533.58
2 White Win Kawamura Norihiko 2639.77
3 White Win Hasegawa Kazuto 2606.43
12th All Japan Championship
Date 2017-03-26 Rating 2542.00
Round Color Result Opponent
1 Black Draw Maruta Koji 2147.39
2 White Loss Ishitani Shin-ichi 2389.54
3 White Win Kusajima Masato 2284.69
4 White Loss Tamada Yoichi 2545.21
5 Black Draw Miyamoto Syunju 2250.93
6 White Win Ono Takayuki 2362.53
12 Kansai Championship 2nd round
Date 2017-02-19 Rating 2543.99
Round Color Result Opponent
1 White Win Sakamoto Suzan 2266.98
2 White Draw Hasegawa Kazuto 2624.09
ex White Loss Hasegawa Kazuto 2624.09
48 Kyoto Classified Tournament
Date 2016-11-13 Rating 2550.71
Round Color Result Opponent
SS1 Black Loss Kawamura Norihiko 2626.14
SS2 White Win Hata Masayuki 2195.45
SS4 Black Loss Hasegawa Kazuto 2635.48
SS5 Black Draw Okabe Hiroshi 2708.41
54 Meijinsen Tournament
Date 2016-09-19 Rating 2557.22
Round Color Result Opponent
1 Black Draw Nakayama Tomoharu 2773.62
2 White Win Maruyama Yasushi 2287.02
3 White Loss Okabe Hiroshi 2714.05
4 Black Draw Koyama Jun 2614.73
5 Black Win Matsuura Hiroshi 2358.58
6 White Draw Kamiya Shunsuke 2756.00
7 Black Win Kuga Akio 2360.15
8 White Loss Hasegawa Kazuto 2635.61
9 Black Win Tanaka Toshiki 2439.16
54 Meijinsen Qualification Kansai area 2nd round
Date 2016-06-19 Rating 2558.53
Round Color Result Opponent
1 Black Win Matsui Tsunehiro 2203.50
2 White Loss Tanaka Toshiki 2448.12
3 White Win Tachi Masaya 2478.55
54 Meijinsen Qualification Kansai area 1st round
Date 2016-05-15 Rating 2559.62
Round Color Result Opponent
1 Black Win Sakamoto Suzan 2277.04
2 White Win Tachi Masaya 2473.61
3 Black Win Matsui Tsunehiro 2207.49
4 White Win Kawamura Norihiko 2610.58
Team World Championship 2016
Date 2016-05-04 Rating 2558.46
Round Color Result Opponent
2 Black Loss Pajuste Renee 2626.98
3 Black Draw Eriksson Bjorn 2288.85
4 Black Loss Sushkov Vladimir 2840.25
5 White Win Makarov Pavel 2605.01
6 White Win Chen Xin 2418.09
7 Black Win Feng Sheng-Yu 2074.45
9 White Win Lõhmus Kristofer 2261.10
11 Kansai Championship Final match
Date 2016-04-03 Rating 2554.52
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2744.33
2 Black Loss Oosumi Yuuki 2744.33
3 White Loss Oosumi Yuuki 2744.33
11 Kansai Championship 2nd round
Date 2016-03-20 Rating 2552.35
Round Color Result Opponent
1 Black Win Kashihara Akihiko 2337.34
2 Black Win Tachi Masaya 2470.17
3 White Win Sakamoto Suzan 2274.16
11th All Japan Championship
Date 2016-01-11 Rating 2535.74
Round Color Result Opponent
1 White Win Suzuki Rin 1920.23
2 White Loss Nakamura Shigeru 2926.37
3 Black Win Mano Yoshihisa 2351.08
4 White Loss Nakamura Souta 2298.86
5 White Loss Okabe Hiroshi 2711.50
6 White Loss Ishitani Shin-ichi 2393.02
53 Meijinsen Tournament
Date 2015-09-22 Rating 2528.34
Round Color Result Opponent
1 Black Loss Oosumi Yuuki 2770.02
2 White Win Kawamura Norihiko 2620.50
3 Black Loss Nakayama Tomoharu 2766.02
4 Black Loss Matsuura Hiroshi 2396.32
5 White Draw Tamada Yoichi 2579.40
6 White Draw Ishitani Shin-ichi 2389.08
7 White Draw Koyama Jun 2632.07
8 Black Win Okabe Hiroshi 2714.41
9 Black Loss Hasegawa Kazuto 2669.34
53 Meijinsen Qualification Kansai area 2nd round
Date 2015-06-21 Rating 2522.03
Round Color Result Opponent
1 Black Loss Kawamura Norihiko 2636.23
2 White Loss Hasegawa Kazuto 2663.70
3 White Win Koiso Shigemasa 2178.85
53 Meijinsen Qualification Kansai area 1st round
Date 2015-05-17 Rating 2521.70
Round Color Result Opponent
1 White Draw Tachi Masaya 2476.82
2 White Win Sakamoto Suzan 2275.36
3 White Win Miyagawa Junzo 2241.07
4 Black Draw Kawamura Norihiko 2638.47
10 Kansai Championship final match
Date 2015-03-15 Rating 2517.90
Round Color Result Opponent
1 White Loss Oosumi Yuuki 2805.14
2 Black Loss Oosumi Yuuki 2805.14
10 Kansai Championship 2nd round
Date 2015-02-15 Rating 2517.21
Round Color Result Opponent
1 Black Draw Tachi Masaya 2471.03
2 Black Win Sakamoto Suzan 2283.36
3 Black Win Miyagawa Junzo 2236.58
46 Kyoto Classified Tournament
Date 2014-11-09 Rating 2511.47
Round Color Result Opponent
S1 Black Win Matsuo Toshiko 1885.14
S2 Black Win Sakamoto Suzan 2292.28
S3 White Draw Okabe Hiroshi 2742.23
S4 White Loss Oosumi Yuuki 2819.91
S5 White Loss Kawamura Norihiko 2650.03
52 Meijinsen Tournament
Date 2014-09-15 Rating 2507.74
Round Color Result Opponent
1 Black Loss Hasegawa Kazuto 2652.19
2 Black Loss Matsuura Hiroshi 2349.76
3 White Loss Oosumi Yuuki 2824.22
4 Black Loss Nakayama Tomoharu 2717.39
5 White Loss Sato Kiyotomi 2481.46
6 Black Draw Okabe Hiroshi 2745.85
7 Black Loss Tamada Yoichi 2561.77
8 Black Draw Kashihara Akihiko 2340.82
9 Black Loss Fukui Nobuhiro 2611.39
52 Meijinsen Qualification Kansai area 2nd round
Date 2014-06-15 Rating 2528.35
Round Color Result Opponent
1 White Win Miyagawa Junzo 2207.36
2 Black Win Sakamoto Suzan 2300.12
3 White Loss Kashihara Akihiko 2343.64
52 Meijinsen Qualification Kansai area 1st round
Date 2014-05-18 Rating 2535.86
Round Color Result Opponent
1 White Win Koiso Shigemasa 2167.93
2 Black Win Miyagawa Junzo 2206.73
3 White Win Kashihara Akihiko 2341.60
4 Black Draw Sakamoto Suzan 2300.88
Team World Championship 2014
Date 2014-05-03 Rating 2539.56
Round Color Result Opponent
1 Black Win Ono Takayuki 2375.62
3 Black Draw Hõbemägi Martin 2625.81
4 Black Win Epifanov Dmitry 2679.34
6 Black Win Ono Takayuki 2375.62
8 Black Loss Hõbemägi Martin 2625.81
9 White Loss Chingin Konstantin 2876.30
9th Kansai Championship final match
Date 2014-04-06 Rating 2543.62
Round Color Result Opponent
1 White Draw Oosumi Yuuki 2822.76
2 White Win Oosumi Yuuki 2822.76
3 Black Loss Oosumi Yuuki 2822.76
4 Black Loss Oosumi Yuuki 2822.76
9th Kansai Championship 2nd round
Date 2014-02-16 Rating 2546.47
Round Color Result Opponent
1 White Win Sakamoto Suzan 2298.33
3 Black Win Hasegawa Kazuto 2628.59
9th All Japan Championship
Date 2014-01-26 Rating 2545.79
Round Color Result Opponent
1 White Win Miyagawa Junzo 2197.70
2 White Draw Oosumi Yuuki 2829.11
3 Black Win Sato Kiyotomi 2460.57
4 White Win Nakayama Tomoharu 2669.98
5 Black Loss Okabe Hiroshi 2757.76
6 Black Win Ono Takayuki 2372.57
45 Kyoto Classified Tournament
Date 2013-11-10 Rating 2530.09
Round Color Result Opponent
S1 Black Win Kawano Takahisa 2370.57
S2 White Loss Hasegawa Kazuto 2622.93
S3 White Win Sandstrom Richard 2378.93
S4 Black Loss Fukui Nobuhiro 2595.94
S5 White Win Ishitani Shin-ichi 2423.01
9th Kansai Championship 1st round
Date 2013-10-27 Rating 2527.00
Round Color Result Opponent
1 Black Win Sakamoto Suzan 2299.21
2 Black Win Watanabe Nobuo 2025.83
3 White Win Kubo Izumi 2100.60
4 White Win Kon Akira 1977.92
51 Meijinsen Qualification Kansai area 2nd round
Date 2013-06-16 Rating 2491.89
Round Color Result Opponent
1 White Draw Hata Masayuki 2266.66
2 White Loss Hasegawa Kazuto 2611.85
3 Black Win Matsui Tsunehiro 2182.57
ex Black Loss Hata Masayuki 2266.66
51 Meijinsen Qualification Kansai area 1st round
Date 2013-05-19 Rating 2488.42
Round Color Result Opponent
1 Black Loss Hata Masayuki 2266.22
2 Black Win Sakamoto Suzan 2294.45
3 Black Win Kubo Izumi 2088.55
4 Black Win Matsui Tsunehiro 2182.78
5 Black Win Koiso Shigemasa 2155.54
8th All Japan Championship
Date 2013-03-24 Rating 2482.54
Round Color Result Opponent
1 Black Win Miyagawa Junzo 2216.29
2 White Win Ishitani Shin-ichi 2373.36
3 Black Loss Nakamura Shigeru 2865.31
4 White Loss Okabe Hiroshi 2729.88
5 Black Draw Kamiya Shunsuke 2525.87
6 Black Draw Sato Kiyotomi 2434.15
8th Kansai Championship 2nd round
Date 2013-02-17 Rating 2477.99
Round Color Result Opponent
1 White Win Takahashi Roi 2178.01
2 White Win Miyagawa Junzo 2215.63
3 White Loss Hasegawa Kazuto 2598.87
ex White Loss Hasegawa Kazuto 2598.87
44 Kyoto Classified Tournament
Date 2012-11-11 Rating 2468.87
Round Color Result Opponent
S1 White Loss Kudomi Takahiro 2418.18
S2 White Win Tamura Kazumasa 2525.50
S3 White Draw Ono Takayuki 2422.58
S4 White Loss Ishitani Shin-ichi 2360.39
8th Kansai Championship 1st round
Date 2012-10-08 Rating 2468.39
Round Color Result Opponent
1 White Win Takahashi Roi 2170.36
2 White Win Miyagawa Junzo 2213.10
3 White Loss Hasegawa Kazuto 2582.76
4 White Win Koiso Shigemasa 2166.88
5 White Win Kon Akira 1988.76
50th Meijinsen Tournament
Date 2012-09-17 Rating 2467.61
Round Color Result Opponent
1 White Win Ono Takayuki 2427.76
2 White Loss Nakayama Tomoharu 2623.29
3 Black Loss Yamaguchi Yusui 2651.33
4 Black Loss Nagasoe Hiroki 2546.75
5 White Loss Fukui Nobuhiro 2540.33
6 Black Loss Nakamura Shigeru 2878.97
7 White Loss Okabe Hiroshi 2708.37
8 Black Win Hasegawa Kazuto 2580.71
9 White Loss Matsuura Hiroshi 2326.58
50 Meijinsen Qualification Kansai area 2nd round
Date 2012-06-17 Rating 2476.55
Round Color Result Opponent
1 White Win Sakamoto Suzan 2334.33
2 White Loss Kise Katsumi 2544.64
3 Black Win Hasegawa Kazuto 2572.77
7th Kansai Championship 2nd round
Date 2012-02-19 Rating 2481.01
Round Color Result Opponent
1 Black Win Sakamoto Suzan 2340.41
2 White Win Hata Masayuki 2233.07
3 Black Loss Kise Katsumi 2549.72
7th All Japan Championship
Date 2012-01-29 Rating 2481.56
Round Color Result Opponent
1 Black Win Tada Ayako 2269.82
2 Black Win Mitsumori Masao 2368.00
3 White Win Sakamoto Suzan 2344.01
4 White Draw Nakayama Tomoharu 2601.05
5 White Loss Nakamura Shigeru 2875.27
6 White Loss Kudomi Takahiro 2423.42
43 Kyoto Classified Tournament
Date 2011-11-13 Rating 2480.42
Round Color Result Opponent
S1 White Loss Sakamoto Suzan 2354.39
S2 White Loss Okumura Toyohiko 2321.33
S3 White Loss Mano Yoshihisa 2230.84
S4 Black Win Doi Manabu 2107.75
S5 White Win Kubo Izumi 2102.17
49th Meijinsen Tournament
Date 2011-09-19 Rating 2491.77
Round Color Result Opponent
1 Black Win Sakashita Shoichi 2143.67
2 White Win Kashihara Akihiko 2256.28
3 Black Loss Matsuura Hiroshi 2379.04
4 Black Draw Nakayama Tomoharu 2577.83
5 Black Draw Hasegawa Kazuto 2555.89
6 Black Win Kubo Izumi 2110.36
7 Black Loss Okabe Hiroshi 2704.82
8 White Loss Yamaguchi Yusui 2651.78
9 White Win Miyoshi Takeo 2158.42
World Championship 2011, BT
Date 2011-08-06 Rating 2502.82
Round Color Result Opponent
1 White Loss Nikonov Konstantin 2642.40
2 White Win Rachitskaya Viktoria 2307.54
3 Black Win Staub Rain 1915.00
4 White Win Ono Takayuki 2396.10
5 White Loss Pajuste Renee 2470.79
6 Black Win Hõbemägi Martin 2415.65
7 Black Win Karasyov Maxim 2640.18
8 White Win Nakayama Tomoharu 2570.40
9 White Draw Potapov Alexey 2631.10
49 Meijinsen Qualification Kansai area 2nd round
Date 2011-06-19 Rating 2506.28
Round Color Result Opponent
1 White Win Kubo Izumi 2118.93
2 Black Draw Kashihara Akihiko 2252.36
3 White Win Kise Katsumi 2540.68
6th All Japan Championship
Date 2011-03-27 Rating 2509.21
Round Color Result Opponent
1 White Win Miyoshi Takeo 2139.19
2 White Win Kon Akira 2007.10
3 White Draw Hasegawa Kazuto 2594.36
4 White Loss Okabe Hiroshi 2697.75
5 White Loss Tamada Yoichi 2512.99
6 White Win Kawano Takahisa 2348.68
6th Kansai Championship final match
Date 2011-03-20 Rating 2509.59
Round Color Result Opponent
1 White Loss Oosumi Yuuki 2737.12
2 White Loss Oosumi Yuuki 2737.12
48th Meijinsen Tournament
Date 2010-09-20 Rating 2528.15
Round Color Result Opponent
1 White Win Sakamoto Suzan 2349.25
2 White Win Tamada Yoichi 2496.21
3 Black Win Matsuura Hiroshi 2389.84
4 White Draw Okabe Hiroshi 2694.26
5 White Draw Kawano Takahisa 2318.84
6 White Win Ishitani Shin-ichi 2389.32
7 Black Loss Yamaguchi Yusui 2589.62
8 White Win Koiso Shigemasa 2171.55
9 White Loss Oosumi Yuuki 2701.20
Team World Championship 2010
Date 2010-05-05 Rating 2531.22
Round Color Result Opponent
3 White Win Artemyev Sergey 2621.02
4 Black Loss Purk Andry 2664.72
5 Black Win Väljataga Paul 2418.31
7 White Win Eibatov Nizami 2313.80
10 White Loss Sumarokov Evgeny 2557.32
5th Kansai Championship final match
Date 2010-03-28 Rating 2530.33
Round Color Result Opponent
1 White Win Oosumi Yuuki 2648.15
2 White Win Oosumi Yuuki 2648.15
5th All Japan Championship
Date 2010-03-21 Rating 2529.13
Round Color Result Opponent
1 White Win Tadokoro Hosai 1896.19
2 Black Loss Nakamura Shigeru 2851.44
3 Black Win Maruta Hiroki 2082.29
4 White Win Kim Chang-Su 2054.32
5 Black Loss Yamaguchi Yusui 2582.72
6 White Loss Shimoyama Takuma 2263.49
5th Kansai Championship 3rd round
Date 2010-02-14 Rating 2527.90
Round Color Result Opponent
1 Black Win Hata Masayuki 2148.38
2 White Win Hasegawa Kazuto 2693.22
3 White Win Sagara Takashi 2481.76
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2525.45
Round Color Result Opponent
S1 Black Win Suzuki Junichiro 1913.44
S2 White Loss Nakamura Shigeru 2855.35
S3 Black Loss Kataoka Mitsuaki 2259.59
S4 White Draw Nagao Noriaki 2358.21
S5 Black Win Ono Takayuki 2382.97
5th Kansai Championship 2nd round
Date 2009-11-15 Rating 2519.20
Round Color Result Opponent
1 Black Loss Koiso Shigemasa 2180.43
2 Black Win Sakamoto Suzan 2321.40
3 Black Win Kon Akira 1968.44
4 Black Win Miyagawa Junzo 2198.69
40th Kyoto Classified - Special class
Date 2009-11-09 Rating 2519.02
Round Color Result Opponent
1 Black Win Miyoshi Takeo 2154.27
2 White Draw Okabe Hiroshi 2670.94
3 Black Win Ishitani Shin-ichi 2368.08
4 Black Loss Hasegawa Kazuto 2709.32
5 Black Win Kubo Izumi 2113.20
41 Kyoto Classified Tournament
Date 2009-11-08 Rating 2518.94
Round Color Result Opponent
S1 Black Loss Hasegawa Kazuto 2709.40
S2 White Win Sakamoto Suzan 2320.83
S3 White Win Kudomi Takahiro 2363.46
S4 White Win Okabe Hiroshi 2670.79
S5 Black Loss Okumura Toyohiko 2329.04
47th Meijinsen tournament
Date 2009-09-22 Rating 2513.92
Round Color Result Opponent
1 White Win Tamura Kazumasa 2505.69
2 White Win Yamaguchi Yusui 2573.39
3 Black Loss Kawamura Norihiko 2631.47
4 Black Win Kataoka Mitsuaki 2255.57
5 White Loss Oosumi Yuuki 2624.67
6 White Draw Ishitani Shin-ichi 2367.62
7 White Win Matsuura Hiroshi 2364.18
8 White Loss Okabe Hiroshi 2670.50
9 White Win Sakamoto Suzan 2310.64
The 6th Shanghai Renju Meijin Invitation Tournament
Date 2009-05-03 Rating 2488.96
Round Color Result Opponent
1 White Draw Oosumi Yuuki 2613.57
2 Black Loss Gu Wei 2514.64
3 Black Loss Li Yi 2638.18
4 Black Loss Yu Manjiang 2503.38
5 Black Win Xu Bin 2194.88
6 White Win Mitsumori Masao 2343.47
7 White Draw Isobe Taizan 2404.62
4th All Japan Championship
Date 2009-03-21 Rating 2484.89
Round Color Result Opponent
1 Black Win Iwano Fumio 2173.24
2 White Loss Tamura Kazumasa 2510.89
3 Black Loss Tamada Yoichi 2295.79
4 Black Win Tanizaki Ryusuke 2124.39
5 White Win Sakamoto Suzan 2292.12
6 White Draw Ishitani Shin-ichi 2389.03
4 Kansai Championship 3rd round
Date 2009-02-15 Rating 2484.85
Round Color Result Opponent
1 White Loss Tamura Kazumasa 2503.39
2 Black Loss Oosumi Yuuki 2601.35
3 Black Loss Takashima Junya 2533.84
4th Kansai Championship, 2nd round
Date 2008-11-16 Rating 2497.31
Round Color Result Opponent
1 Black Win Sakamoto Suzan 2279.56
2 Black Win Miyagawa Junzo 2234.45
3 White Draw Tamura Kazumasa 2484.14
4 White Loss Takashima Junya 2534.02
46th Meijinsen Tournament
Date 2008-09-15 Rating 2506.24
Round Color Result Opponent
1 White Win Matsuura Hiroshi 2325.80
2 Black Win Oosumi Yuuki 2558.97
3 Black Loss Okabe Hiroshi 2689.48
4 Black Win Yamaguchi Yusui 2580.44
5 Black Win Kataoka Mitsuaki 2248.45
6 Black Win Hata Masayuki 2258.27
7 White Loss Sato Kiyotomi 2441.57
8 Black Draw Ishitani Shin-ichi 2394.49
9 Black Loss Kawamura Norihiko 2660.67
46th Meijinsen Qualification Kansai area 2nd round
Date 2008-06-15 Rating 2514.15
Round Color Result Opponent
1 Black Draw Miyagawa Junzo 2253.31
2 Black Win Sakamoto Suzan 2284.90
3 White Loss Hata Masayuki 2268.13
Team World Championship 2008
Date 2008-05-02 Rating 2522.38
Round Color Result Opponent
1 Black Draw Laube Pavel 2460.11
2 White Win Artemyev Sergey 2648.93
3 Black Win Cao Dong 2646.05
4 White Loss Karlsson Stefan 2604.52
5 White Loss Sushkov Vladimir 2755.53
7 Black Win Taimla Tunnet 2787.33
8 White Draw Saarenpää Samuli 2409.74
9 Black Win Piddubny Konstantin 2269.76
3rd All Japan Championship
Date 2008-03-23 Rating 2523.12
Round Color Result Opponent
1 White Win Fujikawa Masaki 2105.01
2 Black Win Miyoshi Takeo 2275.14
3 Black Win Nakamura Shigeru 2854.48
4 White Loss Isobe Taizan 2434.57
5 Black Loss Yamaguchi Yusui 2611.35
6 Black Loss Ishitani Shin-ichi 2403.64
3rd Kansai Championship 3rd round
Date 2008-01-13 Rating 2528.44
Round Color Result Opponent
1 White Win Takagawa Teiji 2239.73
2 White Win Tamura Kazumasa 2412.45
3 White Loss Oosumi Yuuki 2560.62
39th Kyoto Classified - Special Class
Date 2007-11-11 Rating 2532.92
Round Color Result Opponent
1 Black Win Miyoshi Takeo 2292.86
2 Black Loss Hasegawa Kazuto 2766.04
3 Black Win Okumura Toyohiko 2322.33
4 White Win Kudomi Takahiro 2337.86
5 White Loss Okabe Hiroshi 2651.26
The 45th Meijin-sen Tournament
Date 2007-09-17 Rating 2536.02
Round Color Result Opponent
1 White Loss Isobe Taizan 2434.44
2 Black Loss Miyoshi Takeo 2301.35
3 Black Loss Okabe Hiroshi 2639.33
4 White Win Matsuura Hiroshi 2299.97
5 White Win Kawamura Norihiko 2629.99
6 Black Win Sato Kiyotomi 2397.46
7 Black Win Hiwatashi Kikuma 1884.66
8 White Draw Oosumi Yuuki 2554.74
9 White Win Yamaguchi Yusui 2651.21
World Championship 2007, AT
Date 2007-08-15 Rating 2537.64
Round Color Result Opponent
1 White Draw Oll Aivo 2654.09
2 Black Loss Okabe Hiroshi 2630.58
3 Black Loss Yamaguchi Yusui 2654.46
4 White Loss Wu Di 2702.83
5 Black Loss Taimla Tunnet 2759.89
6 Black Win Kozhin Mikhail 2595.83
7 Black Loss Sushkov Vladimir 2758.09
8 White Loss Savrasova Yulia 2695.13
9 White Win Purk Andry 2633.34
10 White Draw Chingin Konstantin 2797.83
11 White Loss Karlsson Stefan 2611.10
World Championship 2007, QT
Date 2007-08-08 Rating 2538.31
Round Color Result Opponent
1 Black Win Ishitani Shin-ichi 2385.63
2 White Win Poghosyan Albert 2388.56
3 White Draw Okabe Hiroshi 2629.78
4 Black Win Jonsson Peter 2335.14
5 Black Win Qiu Yunfei 2494.69
6 White Win Lin Huang-Yu 2521.48
7 White Win Andersson Tord 2350.10
45th Meijinsen Qualification Kansai area final round
Date 2007-06-17 Rating 2530.97
Round Color Result Opponent
1 Black Win Hata Masayuki 2227.08
2 Black Loss Sakamoto Suzan 2296.57
3 Black Win Oosumi Yuuki 2532.11
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2520.47
Round Color Result Opponent
1 Black Loss Ono Takayuki 2341.24
2 Black Win Tanizaki Ryusuke 2138.74
3 White Win Koyama Jun 2374.90
4 White Loss Isobe Taizan 2426.57
5 Black Win Nagao Noriaki 2233.60
6 Black Win Miyagawa Junzo 2274.23
2nd Kansai Championship, Final Match
Date 2007-03-18 Rating 2520.08
Round Color Result Opponent
1 White Loss Hasegawa Kazuto 2751.60
2 Black Loss Hasegawa Kazuto 2751.60
2nd Kansai Championship 3rd round
Date 2007-01-14 Rating 2519.40
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2487.23
2 White Win Sagara Takashi 2498.40
3 Black Draw Takashima Junya 2510.72
38th Kyoto Classified - Special class
Date 2006-11-12 Rating 2512.35
Round Color Result Opponent
1 White Win Sakamoto Suzan 2290.88
2 White Loss Takashima Junya 2507.88
3 White Win Adachi Yasuhiro 2055.33
4 White Draw Hasegawa Kazuto 2737.12
5 Black Loss Miyoshi Takeo 2281.39
2nd Kansai Championship 2nd round
Date 2006-10-15 Rating 2511.48
Round Color Result Opponent
1 Black Loss Oosumi Yuuki 2463.80
2 Black Win Doi Manabu 2135.29
3 Black Win Ozawa Tetsushi 2011.40
4 Black Win Takagawa Teiji 2289.41
The 44th Meijin-sen Tournament
Date 2006-09-18 Rating 2511.22
Round Color Result Opponent
1 White Draw Nagao Noriaki 2241.38
2 White Loss Okabe Hiroshi 2600.44
3 Black Loss Kawamura Norihiko 2664.14
4 White Loss Yamaguchi Yusui 2636.64
5 Black Win Ishitani Shin-ichi 2361.54
6 Black Win Oosumi Yuuki 2453.35
7 Black Win Fujii Naoki 2135.12
8 White Win Matsuura Hiroshi 2298.74
9 White Win Sato Kiyotomi 2440.62
Asian Championship 2006
Date 2006-08-15 Rating 2510.42
Round Color Result Opponent
1 White Draw Kashihara Akihiko 2294.64
2 Black Win Lee Jo-Sub 2328.94
3 Black Win Oosumi Yuuki 2442.82
4 White Draw Yamaguchi Yusui 2634.41
5 Black Win Park Jeong Ho 2386.42
6 Black Loss Kim Chang-Hoon 2541.94
7 Black Win Ishitani Shin-ichi 2361.49
8 White Loss Okabe Hiroshi 2596.65
Meijin-sen Qual, Kansai-Hokuriku area final round
Date 2006-06-18 Rating 2506.79
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2431.44
2 White Win Takashima Junya 2499.29
3 White Win Hata Masayuki 2224.03
Meijin-sen Qual, Kansai area 1st round
Date 2006-05-14 Rating 2500.52
Round Color Result Opponent
1 White Win Okuda Shingo 1968.68
2 White Win Hata Masayuki 2227.41
3 Black Win Takagawa Teiji 2302.77
4 Black Win Matsui Tsunehiro 2171.50
Team World Championship 2006
Date 2006-05-05 Rating 2498.32
Round Color Result Opponent
1 White Loss Pellikka Marko 2321.96
2 White Loss Andersson Tord 2318.97
3 White Draw Oll Aivo 2647.96
4 Black Win Skuridin Alexey 2388.25
5 Black Win Ge Lingfeng 2398.31
6 White Loss Savrasova Yulia 2676.47
7 White Win Sulane Sander 2093.62
F1 White Loss Gaulitz Joachim 2511.43
F2 White Win Andersson Tord 2318.97
1st All Japan Championship
Date 2006-03-26 Rating 2492.79
Round Color Result Opponent
1 Black Loss Kato Yasuhiro 2053.30
2 White Win Nagao Noriaki 2220.13
3 Black Win Matsuura Hiroshi 2311.37
4 White Win Tanizaki Ryusuke 2111.36
5 White Win Isobe Taizan 2423.89
6 Black Loss Yamaguchi Yusui 2634.51
37th Kyoto Classified - Special class
Date 2005-11-13 Rating 2478.80
Round Color Result Opponent
1 Black Win Matsuo Yoshihiro 2003.73
2 White Win Miyoshi Takeo 2278.12
3 Black Win Miyagawa Junzo 2250.05
4 Black Draw Okabe Hiroshi 2592.04
5 White Loss Hasegawa Kazuto 2706.71
1st Kansai Championship 2nd round
Date 2005-10-16 Rating 2474.43
Round Color Result Opponent
1 Black Win Adachi Yasuhiro 2045.25
2 Black Win Hata Masayuki 2211.78
3 White Draw Takagawa Teiji 2321.84
4 Black Loss Hasegawa Kazuto 2703.32
World Championship 2005, BT
Date 2005-08-05 Rating 2464.47
Round Color Result Opponent
1 Black Win Wang Chih-Kung 2205.99
2 Black Loss Lents Johann 2533.72
3 Black Win Ono Takayuki 2289.69
4 White Win Väljataga Paul 1903.33
5 White Loss Maximov Nikolay 2161.20
6 White Win Eriksson Marcus 2264.42
7 White Draw Oblikas Mikk 2260.68
8 Black Loss Ilu Timo 2579.42
9 White Loss Tamura Kazumasa 2358.77
World Championship 2005, QT
Date 2005-07-31 Rating 2464.76
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2376.79
2 White Loss Purk Andry 2565.46
3 White Draw Oll Aivo 2553.65
4 Black Win Kozhin Mikhail 2549.97
5 Black Draw Yamaguchi Yusui 2577.20
6 White Loss Sushkov Vladimir 2695.14
7 White Win Ilu Timo 2578.86
43rd Meijinsen Qualification: Kansai area 1st round
Date 2005-05-08 Rating 2456.94
Round Color Result Opponent
1 White Win Matsui Tsunehiro 2166.10
2 Black Win Iwata Akihisa 2153.09
3 White Loss Takashima Junya 2484.87
4 Black Loss Tamura Kazumasa 2348.55
36th Kyoto Classified - Special Class
Date 2004-11-14 Rating 2456.30
Round Color Result Opponent
1 White Win Miyoshi Takeo 2254.99
2 Black Loss Kudomi Takahiro 2332.86
3 White Win Adachi Yasuhiro 2045.63
4 White Win Miyagawa Junzo 2256.63
5 White Draw Hasegawa Kazuto 2657.45
The 42nd Meijin-sen Tournament
Date 2004-09-20 Rating 2455.14
Round Color Result Opponent
1 White Win Okabe Hiroshi 2562.26
2 White Loss Kawamura Norihiko 2719.60
3 Black Win Sakashita Shoichi 2204.14
4 White Loss Ishitani Shin-ichi 2376.60
5 White Loss Hasegawa Kazuto 2655.07
6 White Win Saito Koji 2190.65
7 Black Loss Sakamoto Suzan 2291.05
8 White Loss Matsuura Hiroshi 2403.78
9 White Win Takagawa Teiji 2335.03
Team World Championship 2004
Date 2004-05-05 Rating 2467.13
Round Color Result Opponent
1 Black Loss Karlsson Stefan 2540.80
2 White Win Degtyar Felix 2146.41
3 Black Loss Meritee Ando 2802.19
4 White Win Khramov Andrey 2231.68
6 Black Win Piddubny Konstantin 2200.80
7 Black Loss Salnikov Pavel 2559.07
8 Black Loss Rusin Vladislav 2620.61
9 Black Draw Sushkov Vladimir 2676.41
35th Kyoto Classified - Special Class
Date 2003-11-09 Rating 2490.45
Round Color Result Opponent
1 White Win Yasumoto Yoshinobu 1999.50
2 Black Win Iwata Akihisa 2206.21
3 Black Loss Hasegawa Kazuto 2629.41
4 Black Win Miyoshi Takeo 2231.98
5 White Win Hata Masayuki 2120.11
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2496.44
Round Color Result Opponent
1 White Win Matsuura Hiroshi 2408.09
2 White Win Miyagawa Junzo 2261.96
3 White Win Takashima Junya 2341.48
4 White Loss Kuga Akio 2382.84
5 White Loss Hasegawa Kazuto 2625.32
6 Black Win Kudomi Takahiro 2339.99
7 White Win Ishitani Shin-ichi 2382.96
8 White Win Isobe Taizan 2416.46
9 White Win Okabe Hiroshi 2550.38
World Championship 2003, AT
Date 2003-08-08 Rating 2494.30
Round Color Result Opponent
1 White Draw Yamaguchi Yusui 2578.57
2 White Loss Taimla Tunnet 2708.27
3 White Draw Okabe Hiroshi 2549.18
4 White Loss Chingin Konstantin 2714.84
5 White Loss Meritee Ando 2801.13
6 White Loss Sinyov Igor 2554.50
7 White Draw Karlsson Stefan 2557.10
8 White Win Gaulitz Joachim 2406.28
9 White Win Andersson Tord 2379.45
10 Black Win Carlsson Martin 2427.71
11 Black Loss Sushkov Vladimir 2689.26
World Championship 2003, QT
Date 2003-07-31 Rating 2493.71
Round Color Result Opponent
1 Black Win Mitsumori Masao 2290.22
2 White Draw Karasyov Maxim 2488.00
3 White Draw Yamaguchi Yusui 2578.96
4 White Win Chang Yi-Feng 2461.12
5 White Win Ishitani Shin-ichi 2382.55
6 White Win Eibatov Nizami 2334.52
7 White Draw Sushkov Vladimir 2688.68
Japan WC Qualification 2003
Date 2003-03-22 Rating 2459.49
Round Color Result Opponent
1 Black Loss Sakurai Yasuo 2078.80
2 White Win Arita Nobuyoshi 2184.22
3 Black Win Iwata Akihisa 2207.39
4 Black Win Tamura Kazumasa 2281.91
5 White Loss Kubo Izumi 2229.21
34th Kyoto Classified - special class
Date 2002-11-10 Rating 2440.62
Round Color Result Opponent
1 Black Win Okabe Hiroshi 2485.86
2 White Loss Kudomi Takahiro 2390.11
3 Black Win Iwata Akihisa 2199.10
4 White Win Hasegawa Kazuto 2585.10
5 White Loss Miyoshi Takeo 2244.44
40th Meijin-sen Tournament
Date 2002-09-16 Rating 2431.95
Round Color Result Opponent
1 Black Loss Takagawa Teiji 2358.99
2 Black Loss Ishitani Shin-ichi 2391.62
3 Black Win Okabe Hiroshi 2474.28
4 White Draw Isobe Taizan 2446.20
5 White Loss Hasegawa Kazuto 2590.89
6 White Loss Yamaguchi Yusui 2589.71
7 Black Win Nishimura Toshio 2353.15
8 Black Win Kudomi Takahiro 2392.53
9 Black Win Matsuura Hiroshi 2312.91
40th Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2002-06-16 Rating 2417.31
Round Color Result Opponent
1 White Win Miyagawa Sou 2060.22
2 Black Win Sakamoto Suzan 2256.75
3 White Win Ikeshima Wakio 1637.16
4 Black Draw Miyagawa Junzo 2249.65
5 Black Draw Takagawa Teiji 2360.75
Team World Championship 2002
Date 2002-05-03 Rating 2409.79
Round Color Result Opponent
1 Black Loss Taimla Tunnet 2564.98
2 Black Loss Dvoeglazov Vladimir 2364.64
3 Black Win Drozd Olexandr 2266.32
4 White Loss Carlsson Martin 2335.29
5 Black Loss Gardström Petter 2487.40
6 White Win Lee Yun-Sub 2029.18
7 White Loss Semyonov Vladimir 2419.33
8 White Loss Carlsson Martin 2335.29
9 White Win Carlsson Martin 2335.29
33rd Kyoto Classified - special class
Date 2001-11-11 Rating 2421.45
Round Color Result Opponent
1 White Win Adachi Yasuhiro 2004.29
2 Black Win Doi Manabu 2116.01
3 Black Win Iwata Akihisa 2193.12
4 Black Win Hasegawa Kazuto 2577.71
5 Black Win Miyagawa Junzo 2240.45
The 39th Meijin-sen Tournament
Date 2001-09-24 Rating 2417.15
Round Color Result Opponent
1 White Loss Kudomi Takahiro 2388.81
2 Black Win Hayakawa Yoshimi 2414.93
3 White Win Takagawa Teiji 2337.95
4 White Win Maruyama Yasushi 2197.40
5 White Draw Yamaguchi Yusui 2551.82
6 White Loss Nishimura Toshio 2368.92
7 White Win Matsuura Hiroshi 2252.31
8 White Loss Nara Hideki 2531.84
9 White Loss Hasegawa Kazuto 2574.53
World Championship 2001, BT
Date 2001-08-12 Rating 2414.10
Round Color Result Opponent
1 White Win Tatsutomi Hiroyuki 2218.10
2 Black Win Chernov Sergey 2290.72
3 Black Win Ono Takayuki 2188.09
4 White Loss Hasegawa Kazuto 2572.11
5 White Win Khramov Andrey 2203.77
6 White Win Sakamoto Suzan 2212.92
7 White Loss Kusajima Masato 2391.84
8 White Win Kudomi Takahiro 2386.52
32-nd Kyoto Classified - Special class
Date 2000-11-12 Rating 2367.53
Round Color Result Opponent
1 White Loss Nara Hideki 2576.48
2 Black Win Sakamoto Suzan 2180.61
3 Black Loss Hasegawa Kazuto 2558.08
4 Black Win Koiso Shigemasa 2151.96
5 White Draw Miyoshi Takeo 2196.87
38th Meijinsen Tournament
Date 2000-10-01 Rating 2361.44
Round Color Result Opponent
1 White Win Fujinami Hisao 2242.26
2 Black Loss Kudomi Takahiro 2362.31
3 White Loss Hasegawa Kazuto 2564.16
4 White Loss Arai Yutaka 2186.98
5 White Win Nishizono Norio 2353.49
6 Black Draw Hayakawa Yoshimi 2424.84
7 White Loss Maruyama Yasushi 2238.59
8 Black Loss Nara Hideki 2577.42
9 Black Win Kusajima Masato 2360.27
Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2000-06-19 Rating 2357.34
Round Color Result Opponent
1 White Win Sakamoto Suzan 2202.53
2 White Loss Hayakawa Yoshimi 2451.34
3 White Win Takehara Kenji 1835.02
38th Meijinsen Qualification: Kansai area 1st Round
Date 2000-05-21 Rating 2356.29
Round Color Result Opponent
1 White Win Tatsutomi Hiroyuki 2198.62
2 White Loss Hayakawa Yoshimi 2456.84
3 Black Win Matsui Tsunehiro 2218.29
4 White Win Iwata Akihisa 2209.30