Iio Yoshihiro, Japan - Renju Rating

Iio Yoshihiro (飯尾義弘)

Place: Kobe, Japan

Birth: 1955-03-30

Rating: 2392.30, Std: 160.21, Rank: 201

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

Top rating: 2560.89 (2016-05-15)

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

Gy1: 0, Gy2: 0, Gy5: 49

59th Meijinsen Tournament
Date 2022-01-10 Rating 2392.30
Round Color Result Opponent
1 Black Loss Nagasoe Hiroki 2647.22
2 Black Win Hasegawa Kazuto 2565.63
3 White Loss Ono Takayuki 2409.65
4 Black Win Hayashi Shoichi 2147.09
5 Black Loss Kamiya Shunsuke 2849.60
6 White Loss Okabe Hiroshi 2694.05
7 White Win Maruyama Yasushi 2261.37
8 White Loss Nakayama Tomoharu 2814.46
9 White Win Maruta Hiroki 2236.12
53 Kyoto Classified Tournament
Date 2021-11-13 Rating 2388.59
Round Color Result Opponent
S1 White Win Fujita Maiko 2359.81
S2 Black Loss Kawamura Norihiko 2681.84
S3 White Draw Hata Masayuki 2132.48
S4 Black Loss Ishitani Shin-ichi 2324.70
S5 White Loss Hasegawa Kazuto 2564.10
17 Kansai Championship 1st round
Date 2021-10-17 Rating 2389.47
Round Color Result Opponent
1 White Win Toyo Koryu 2091.11
2 White Win Tokonami Shota 2028.58
3 Black Win Sakamoto Suzan 2242.26
4 Black Loss Tanaka Shotaro 2273.34
5 White Win Kito Shinichi 2175.14
59 Meijinsen Qualification Kansai area 2nd round
Date 2021-07-18 Rating 2391.14
Round Color Result Opponent
1 White Loss Hasegawa Kazuto 2576.65
2 White Draw Makino Mitsunori 2562.57
3 Black Win Hayashi Shoichi 2163.83
59 Meijinsen Qualification Kansai area 1st round
Date 2021-06-20 Rating 2391.08
Round Color Result Opponent
1 Black Win Tanaka Toshiki 2417.78
2 White Win Hayashi Shoichi 2165.17
3 White Draw Hasegawa Kazuto 2577.07
4 White Win Hata Masayuki 2137.38
16 Kansai Championship 2nd round
Date 2021-02-21 Rating 2375.14
Round Color Result Opponent
1 Black Loss Sakamoto Suzan 2264.47
2 Black Loss Makino Mitsunori 2557.39
3 Black Loss Kawamura Norihiko 2678.06
16 Kansai Championship 1st round
Date 2020-10-18 Rating 2373.13
Round Color Result Opponent
1 Black Loss Kawamura Norihiko 2682.34
2 Black Win Adachi Tomoya 1595.46
3 White Win Hayashi Shoichi 2165.04
4 Black Win Sakamoto Suzan 2270.45
5 Black Loss Tanaka Shotaro 2242.08
58 Meijinsen Qualification Kansai area 1st round
Date 2020-06-21 Rating 2374.21
Round Color Result Opponent
1 Black Win Hata Masayuki 2134.19
2 Black Loss Sakamoto Suzan 2268.21
3 White Loss Makino Mitsunori 2471.41
4 White Win Kito Shinichi 2168.01
5 White Loss Tachi Masaya 2490.48
15 Kansai Championship 2nd round
Date 2020-02-16 Rating 2388.17
Round Color Result Opponent
1 White Win Kito Shinichi 2170.51
2 White Win Hayashi Shoichi 2165.72
3 Black Loss Makino Mitsunori 2405.17
ex Black Loss Makino Mitsunori 2405.17
15th All Japan Championship
Date 2020-01-19 Rating 2392.86
Round Color Result Opponent
1 White Win Hata Masayuki 2151.54
2 Black Loss Nakayama Tomoharu 2839.82
3 White Loss Makino Mitsunori 2389.34
4 Black Win Fujita Maiko 2347.35
5 White Win Ishitani Shin-ichi 2367.43
6 White Loss Okabe Hiroshi 2726.86
51 Kyoto Classified Tournament
Date 2019-11-04 Rating 2402.27
Round Color Result Opponent
S1 White Win Ozawa Tetsushi 1959.45
S2 Black Loss Tanaka Toshiki 2480.96
S3 Black Win Nishida Toshio 2059.23
S4 White Loss Hasegawa Kazuto 2608.06
S5 White Loss Kawamura Norihiko 2680.51
14 Kansai Championship final match R3
Date 2019-08-19 Rating 2416.90
Round Color Result Opponent
3 Black Loss Hasegawa Kazuto 2605.72
57 Meijinsen Qualification Kansai area 1st round
Date 2019-05-19 Rating 2436.96
Round Color Result Opponent
1 White Win Tanaka Toshiki 2480.32
2 White Loss Hasegawa Kazuto 2593.96
3 White Loss Tachi Masaya 2520.65
4 Black Win Matsui Tsunehiro 2163.33
14 Kansai Championship final match
Date 2019-05-06 Rating 2439.70
Round Color Result Opponent
1 White Loss Hasegawa Kazuto 2592.32
2 Black Win Hasegawa Kazuto 2592.32
14th All Japan Championship
Date 2019-03-31 Rating 2445.65
Round Color Result Opponent
1 White Win Maruta Hiroki 2182.54
2 White Loss Nakayama Tomoharu 2812.84
3 White Win Chigira Makoto 2087.88
4 Black Loss Okabe Hiroshi 2694.85
5 Black Win Ishitani Shin-ichi 2390.89
6 Black Loss Nakamura Shigeru 2989.91
50 Kyoto Classified Tournament
Date 2018-11-11 Rating 2462.96
Round Color Result Opponent
1 White Loss Ishitani Shin-ichi 2416.84
2 Black Win Ozawa Tetsushi 1989.50
3 Black Loss Sakamoto Suzan 2282.93
4 White Win Fujita Maiko 2245.26
5 Black Win Hayashi Shoichi 2136.21
56 Meijinsen Qualification Kansai area 2nd round
Date 2018-06-17 Rating 2495.64
Round Color Result Opponent
1 Black Loss Tachi Masaya 2545.57
2 Black Loss Kawamura Norihiko 2667.24
3 Black Loss Hasegawa Kazuto 2579.46
Team World Championship 2018
Date 2018-05-05 Rating 2510.37
Round Color Result Opponent
1 White Win Piik Sander 2301.70
3 White Win Jonsson Peter 2316.06
4 White Loss Kozhin Mikhail 2681.38
5 White Loss Epifanov Dmitry 2669.11
7 Black Win Semenov Oleg 2428.13
9 White Loss Cao Dong 2796.97
13 Kansai Championship final match
Date 2018-03-18 Rating 2526.06
Round Color Result Opponent
1 White Loss Oosumi Yuuki 2665.50
2 Black Win Oosumi Yuuki 2665.50
3 White Win Oosumi Yuuki 2665.50
13 Kansai Championship 2nd round
Date 2018-02-18 Rating 2531.87
Round Color Result Opponent
1 White Win Hasegawa Kazuto 2579.98
2 White Win Tachi Masaya 2552.51
3 Black Win Matsui Tsunehiro 2166.08
13th All Japan Championship
Date 2018-01-28 Rating 2533.41
Round Color Result Opponent
1 Black Draw Ishitani Shin-ichi 2413.43
2 White Win Miyamoto Syunju 2267.42
3 White Loss Okabe Hiroshi 2712.10
4 White Win Sato Kiyotomi 2430.13
5 White Loss Kamiya Shunsuke 2807.76
6 White Loss Nakayama Tomoharu 2847.70
49 Kyoto Classified Tournament
Date 2017-11-12 Rating 2540.86
Round Color Result Opponent
S1 White Win Nishida Toshio 2060.93
S2 White Win Hasegawa Kazuto 2591.56
S3 Black Loss Kawamura Norihiko 2659.70
S4 White Win Hata Masayuki 2190.07
S5 White Win Ishitani Shin-ichi 2390.89
13 Kansai Championship 1st round
Date 2017-10-22 Rating 2541.23
Round Color Result Opponent
1 Black Win Matsui Tsunehiro 2176.95
3 White Draw Tachi Masaya 2545.29
4 Black Loss Sakamoto Suzan 2273.48
5 White Loss Kawamura Norihiko 2658.75
55 Meijinsen Tournament
Date 2017-09-18 Rating 2545.78
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2807.20
2 White Loss Nakayama Tomoharu 2840.69
3 Black Loss Okabe Hiroshi 2718.62
4 White Win Tamada Yoichi 2507.18
5 Black Win Maruyama Yasushi 2278.06
6 Black Win Hasegawa Kazuto 2595.62
7 White Win Matsuura Hiroshi 2338.41
8 White Win Kawano Takahisa 2431.34
9 Black Loss Sato Kiyotomi 2447.96
55 Meijinsen Qualification Kansai area 2nd round
Date 2017-06-18 Rating 2552.76
Round Color Result Opponent
1 White Win Tachi Masaya 2535.13
2 White Win Kawamura Norihiko 2641.38
3 White Win Hasegawa Kazuto 2608.00
12th All Japan Championship
Date 2017-03-26 Rating 2543.47
Round Color Result Opponent
1 Black Draw Maruta Koji 2148.91
2 White Loss Ishitani Shin-ichi 2390.65
3 White Win Kusajima Masato 2286.67
4 White Loss Tamada Yoichi 2546.73
5 Black Draw Miyamoto Syunju 2252.94
6 White Win Ono Takayuki 2364.01
12 Kansai Championship 2nd round
Date 2017-02-19 Rating 2545.44
Round Color Result Opponent
1 White Win Sakamoto Suzan 2268.44
2 White Draw Hasegawa Kazuto 2625.56
ex White Loss Hasegawa Kazuto 2625.56
48 Kyoto Classified Tournament
Date 2016-11-13 Rating 2552.09
Round Color Result Opponent
SS1 Black Loss Kawamura Norihiko 2627.59
SS2 White Win Hata Masayuki 2196.97
SS4 Black Loss Hasegawa Kazuto 2636.89
SS5 Black Draw Okabe Hiroshi 2709.74
54 Meijinsen Tournament
Date 2016-09-19 Rating 2558.56
Round Color Result Opponent
1 Black Draw Nakayama Tomoharu 2774.92
2 White Win Maruyama Yasushi 2287.66
3 White Loss Okabe Hiroshi 2715.36
4 Black Draw Koyama Jun 2616.04
5 Black Win Matsuura Hiroshi 2359.82
6 White Draw Kamiya Shunsuke 2757.32
7 Black Win Kuga Akio 2361.35
8 White Loss Hasegawa Kazuto 2636.98
9 Black Win Tanaka Toshiki 2440.53
54 Meijinsen Qualification Kansai area 2nd round
Date 2016-06-19 Rating 2559.82
Round Color Result Opponent
1 Black Win Matsui Tsunehiro 2204.92
2 White Loss Tanaka Toshiki 2449.44
3 White Win Tachi Masaya 2479.84
54 Meijinsen Qualification Kansai area 1st round
Date 2016-05-15 Rating 2560.89
Round Color Result Opponent
1 Black Win Sakamoto Suzan 2278.34
2 White Win Tachi Masaya 2474.88
3 Black Win Matsui Tsunehiro 2208.89
4 White Win Kawamura Norihiko 2611.92
Team World Championship 2016
Date 2016-05-04 Rating 2559.72
Round Color Result Opponent
2 Black Loss Pajuste Renee 2628.28
3 Black Draw Eriksson Bjorn 2290.01
4 Black Loss Sushkov Vladimir 2841.41
5 White Win Makarov Pavel 2606.16
6 White Win Chen Xin 2419.31
7 Black Win Feng Sheng-Yu 2075.28
9 White Win Lõhmus Kristofer 2262.25
11 Kansai Championship Final match
Date 2016-04-03 Rating 2555.76
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2745.48
2 Black Loss Oosumi Yuuki 2745.48
3 White Loss Oosumi Yuuki 2745.48
11 Kansai Championship 2nd round
Date 2016-03-20 Rating 2553.59
Round Color Result Opponent
1 Black Win Kashihara Akihiko 2338.62
2 Black Win Tachi Masaya 2471.41
3 White Win Sakamoto Suzan 2275.42
11th All Japan Championship
Date 2016-01-11 Rating 2536.93
Round Color Result Opponent
1 White Win Suzuki Rin 1921.14
2 White Loss Nakamura Shigeru 2927.58
3 Black Win Mano Yoshihisa 2351.91
4 White Loss Nakamura Souta 2299.98
5 White Loss Okabe Hiroshi 2712.67
6 White Loss Ishitani Shin-ichi 2394.01
53 Meijinsen Tournament
Date 2015-09-22 Rating 2529.48
Round Color Result Opponent
1 Black Loss Oosumi Yuuki 2771.11
2 White Win Kawamura Norihiko 2621.68
3 Black Loss Nakayama Tomoharu 2767.13
4 Black Loss Matsuura Hiroshi 2397.41
5 White Draw Tamada Yoichi 2580.57
6 White Draw Ishitani Shin-ichi 2390.06
7 White Draw Koyama Jun 2633.20
8 Black Win Okabe Hiroshi 2715.53
9 Black Loss Hasegawa Kazuto 2670.50
53 Meijinsen Qualification Kansai area 2nd round
Date 2015-06-21 Rating 2523.13
Round Color Result Opponent
1 Black Loss Kawamura Norihiko 2637.36
2 White Loss Hasegawa Kazuto 2664.82
3 White Win Koiso Shigemasa 2179.93
53 Meijinsen Qualification Kansai area 1st round
Date 2015-05-17 Rating 2522.79
Round Color Result Opponent
1 White Draw Tachi Masaya 2477.90
2 White Win Sakamoto Suzan 2276.46
3 White Win Miyagawa Junzo 2242.05
4 Black Draw Kawamura Norihiko 2639.58
10 Kansai Championship final match
Date 2015-03-15 Rating 2518.96
Round Color Result Opponent
1 White Loss Oosumi Yuuki 2806.16
2 Black Loss Oosumi Yuuki 2806.16
10 Kansai Championship 2nd round
Date 2015-02-15 Rating 2518.26
Round Color Result Opponent
1 Black Draw Tachi Masaya 2472.08
2 Black Win Sakamoto Suzan 2284.43
3 Black Win Miyagawa Junzo 2237.54
46 Kyoto Classified Tournament
Date 2014-11-09 Rating 2512.47
Round Color Result Opponent
S1 Black Win Matsuo Toshiko 1885.76
S2 Black Win Sakamoto Suzan 2293.30
S3 White Draw Okabe Hiroshi 2743.22
S4 White Loss Oosumi Yuuki 2820.89
S5 White Loss Kawamura Norihiko 2651.04
52 Meijinsen Tournament
Date 2014-09-15 Rating 2508.72
Round Color Result Opponent
1 Black Loss Hasegawa Kazuto 2653.19
2 Black Loss Matsuura Hiroshi 2350.71
3 White Loss Oosumi Yuuki 2825.18
4 Black Loss Nakayama Tomoharu 2718.35
5 White Loss Sato Kiyotomi 2482.46
6 Black Draw Okabe Hiroshi 2746.82
7 Black Loss Tamada Yoichi 2562.77
8 Black Draw Kashihara Akihiko 2341.85
9 Black Loss Fukui Nobuhiro 2612.37
52 Meijinsen Qualification Kansai area 2nd round
Date 2014-06-15 Rating 2529.30
Round Color Result Opponent
1 White Win Miyagawa Junzo 2208.26
2 Black Win Sakamoto Suzan 2301.08
3 White Loss Kashihara Akihiko 2344.63
52 Meijinsen Qualification Kansai area 1st round
Date 2014-05-18 Rating 2536.79
Round Color Result Opponent
1 White Win Koiso Shigemasa 2168.87
2 Black Win Miyagawa Junzo 2207.62
3 White Win Kashihara Akihiko 2342.58
4 Black Draw Sakamoto Suzan 2301.83
Team World Championship 2014
Date 2014-05-03 Rating 2540.49
Round Color Result Opponent
1 Black Win Ono Takayuki 2376.54
3 Black Draw Hõbemägi Martin 2626.66
4 Black Win Epifanov Dmitry 2680.19
6 Black Win Ono Takayuki 2376.54
8 Black Loss Hõbemägi Martin 2626.66
9 White Loss Chingin Konstantin 2876.98
9th Kansai Championship final match
Date 2014-04-06 Rating 2544.54
Round Color Result Opponent
1 White Draw Oosumi Yuuki 2823.66
2 White Win Oosumi Yuuki 2823.66
3 Black Loss Oosumi Yuuki 2823.66
4 Black Loss Oosumi Yuuki 2823.66
9th Kansai Championship 2nd round
Date 2014-02-16 Rating 2547.36
Round Color Result Opponent
1 White Win Sakamoto Suzan 2299.25
3 Black Win Hasegawa Kazuto 2629.51
9th All Japan Championship
Date 2014-01-26 Rating 2546.69
Round Color Result Opponent
1 White Win Miyagawa Junzo 2198.55
2 White Draw Oosumi Yuuki 2829.98
3 Black Win Sato Kiyotomi 2461.47
4 White Win Nakayama Tomoharu 2670.85
5 Black Loss Okabe Hiroshi 2758.63
6 Black Win Ono Takayuki 2373.45
45 Kyoto Classified Tournament
Date 2013-11-10 Rating 2530.96
Round Color Result Opponent
S1 Black Win Kawano Takahisa 2371.36
S2 White Loss Hasegawa Kazuto 2623.80
S3 White Win Sandstrom Richard 2379.71
S4 Black Loss Fukui Nobuhiro 2596.78
S5 White Win Ishitani Shin-ichi 2423.80
9th Kansai Championship 1st round
Date 2013-10-27 Rating 2527.86
Round Color Result Opponent
1 Black Win Sakamoto Suzan 2300.09
2 Black Win Watanabe Nobuo 2026.49
3 White Win Kubo Izumi 2101.44
4 White Win Kon Akira 1978.64
51 Meijinsen Qualification Kansai area 2nd round
Date 2013-06-16 Rating 2492.71
Round Color Result Opponent
1 White Draw Hata Masayuki 2267.50
2 White Loss Hasegawa Kazuto 2612.67
3 Black Win Matsui Tsunehiro 2183.52
ex Black Loss Hata Masayuki 2267.50
51 Meijinsen Qualification Kansai area 1st round
Date 2013-05-19 Rating 2489.23
Round Color Result Opponent
1 Black Loss Hata Masayuki 2267.05
2 Black Win Sakamoto Suzan 2295.27
3 Black Win Kubo Izumi 2089.34
4 Black Win Matsui Tsunehiro 2183.72
5 Black Win Koiso Shigemasa 2156.37
8th All Japan Championship
Date 2013-03-24 Rating 2483.33
Round Color Result Opponent
1 Black Win Miyagawa Junzo 2217.05
2 White Win Ishitani Shin-ichi 2374.09
3 Black Loss Nakamura Shigeru 2866.10
4 White Loss Okabe Hiroshi 2730.65
5 Black Draw Kamiya Shunsuke 2526.62
6 Black Draw Sato Kiyotomi 2434.93
8th Kansai Championship 2nd round
Date 2013-02-17 Rating 2478.76
Round Color Result Opponent
1 White Win Takahashi Roi 2178.69
2 White Win Miyagawa Junzo 2216.37
3 White Loss Hasegawa Kazuto 2599.66
ex White Loss Hasegawa Kazuto 2599.66
44 Kyoto Classified Tournament
Date 2012-11-11 Rating 2469.62
Round Color Result Opponent
S1 White Loss Kudomi Takahiro 2418.91
S2 White Win Tamura Kazumasa 2526.20
S3 White Draw Ono Takayuki 2423.31
S4 White Loss Ishitani Shin-ichi 2361.09
8th Kansai Championship 1st round
Date 2012-10-08 Rating 2469.12
Round Color Result Opponent
1 White Win Takahashi Roi 2171.03
2 White Win Miyagawa Junzo 2213.81
3 White Loss Hasegawa Kazuto 2583.50
4 White Win Koiso Shigemasa 2167.63
5 White Win Kon Akira 1989.43
50th Meijinsen Tournament
Date 2012-09-17 Rating 2468.33
Round Color Result Opponent
1 White Win Ono Takayuki 2428.48
2 White Loss Nakayama Tomoharu 2624.02
3 Black Loss Yamaguchi Yusui 2652.01
4 Black Loss Nagasoe Hiroki 2547.72
5 White Loss Fukui Nobuhiro 2541.02
6 Black Loss Nakamura Shigeru 2879.70
7 White Loss Okabe Hiroshi 2709.08
8 Black Win Hasegawa Kazuto 2581.45
9 White Loss Matsuura Hiroshi 2327.32
50 Meijinsen Qualification Kansai area 2nd round
Date 2012-06-17 Rating 2477.25
Round Color Result Opponent
1 White Win Sakamoto Suzan 2335.05
2 White Loss Kise Katsumi 2545.25
3 Black Win Hasegawa Kazuto 2573.48
7th Kansai Championship 2nd round
Date 2012-02-19 Rating 2481.66
Round Color Result Opponent
1 Black Win Sakamoto Suzan 2341.09
2 White Win Hata Masayuki 2233.75
3 Black Loss Kise Katsumi 2550.32
7th All Japan Championship
Date 2012-01-29 Rating 2482.21
Round Color Result Opponent
1 Black Win Tada Ayako 2270.46
2 Black Win Mitsumori Masao 2368.66
3 White Win Sakamoto Suzan 2344.68
4 White Draw Nakayama Tomoharu 2601.70
5 White Loss Nakamura Shigeru 2875.93
6 White Loss Kudomi Takahiro 2424.08
43 Kyoto Classified Tournament
Date 2011-11-13 Rating 2481.05
Round Color Result Opponent
S1 White Loss Sakamoto Suzan 2355.04
S2 White Loss Okumura Toyohiko 2321.84
S3 White Loss Mano Yoshihisa 2231.40
S4 Black Win Doi Manabu 2108.33
S5 White Win Kubo Izumi 2102.81
49th Meijinsen Tournament
Date 2011-09-19 Rating 2492.38
Round Color Result Opponent
1 Black Win Sakashita Shoichi 2144.20
2 White Win Kashihara Akihiko 2256.93
3 Black Loss Matsuura Hiroshi 2379.69
4 Black Draw Nakayama Tomoharu 2578.44
5 Black Draw Hasegawa Kazuto 2556.53
6 Black Win Kubo Izumi 2110.98
7 Black Loss Okabe Hiroshi 2705.43
8 White Loss Yamaguchi Yusui 2652.39
9 White Win Miyoshi Takeo 2158.96
World Championship 2011, BT
Date 2011-08-06 Rating 2503.41
Round Color Result Opponent
1 White Loss Nikonov Konstantin 2642.88
2 White Win Rachitskaya Viktoria 2307.95
3 Black Win Staub Rain 1915.41
4 White Win Ono Takayuki 2396.69
5 White Loss Pajuste Renee 2471.20
6 Black Win Hõbemägi Martin 2416.01
7 Black Win Karasyov Maxim 2640.66
8 White Win Nakayama Tomoharu 2570.99
9 White Draw Potapov Alexey 2631.71
49 Meijinsen Qualification Kansai area 2nd round
Date 2011-06-19 Rating 2506.86
Round Color Result Opponent
1 White Win Kubo Izumi 2119.53
2 Black Draw Kashihara Akihiko 2252.99
3 White Win Kise Katsumi 2541.25
6th All Japan Championship
Date 2011-03-27 Rating 2509.78
Round Color Result Opponent
1 White Win Miyoshi Takeo 2139.69
2 White Win Kon Akira 2007.66
3 White Draw Hasegawa Kazuto 2594.95
4 White Loss Okabe Hiroshi 2698.32
5 White Loss Tamada Yoichi 2513.58
6 White Win Kawano Takahisa 2349.25
6th Kansai Championship final match
Date 2011-03-20 Rating 2510.16
Round Color Result Opponent
1 White Loss Oosumi Yuuki 2737.70
2 White Loss Oosumi Yuuki 2737.70
48th Meijinsen Tournament
Date 2010-09-20 Rating 2528.68
Round Color Result Opponent
1 White Win Sakamoto Suzan 2349.80
2 White Win Tamada Yoichi 2496.74
3 Black Win Matsuura Hiroshi 2390.40
4 White Draw Okabe Hiroshi 2694.79
5 White Draw Kawano Takahisa 2319.38
6 White Win Ishitani Shin-ichi 2389.83
7 Black Loss Yamaguchi Yusui 2590.16
8 White Win Koiso Shigemasa 2172.11
9 White Loss Oosumi Yuuki 2701.73
Team World Championship 2010
Date 2010-05-05 Rating 2531.72
Round Color Result Opponent
3 White Win Artemyev Sergey 2621.41
4 Black Loss Purk Andry 2665.17
5 Black Win Väljataga Paul 2418.69
7 White Win Eibatov Nizami 2314.18
10 White Loss Sumarokov Evgeny 2557.67
5th Kansai Championship final match
Date 2010-03-28 Rating 2530.82
Round Color Result Opponent
1 White Win Oosumi Yuuki 2648.65
2 White Win Oosumi Yuuki 2648.65
5th All Japan Championship
Date 2010-03-21 Rating 2529.62
Round Color Result Opponent
1 White Win Tadokoro Hosai 1896.63
2 Black Loss Nakamura Shigeru 2851.95
3 Black Win Maruta Hiroki 2082.77
4 White Win Kim Chang-Su 2054.89
5 Black Loss Yamaguchi Yusui 2583.21
6 White Loss Shimoyama Takuma 2263.98
5th Kansai Championship 3rd round
Date 2010-02-14 Rating 2528.39
Round Color Result Opponent
1 Black Win Hata Masayuki 2148.89
2 White Win Hasegawa Kazuto 2693.73
3 White Win Sagara Takashi 2482.26
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2525.94
Round Color Result Opponent
S1 Black Win Suzuki Junichiro 1913.80
S2 White Loss Nakamura Shigeru 2855.85
S3 Black Loss Kataoka Mitsuaki 2260.10
S4 White Draw Nagao Noriaki 2358.69
S5 Black Win Ono Takayuki 2383.45
5th Kansai Championship 2nd round
Date 2009-11-15 Rating 2519.68
Round Color Result Opponent
1 Black Loss Koiso Shigemasa 2180.94
2 Black Win Sakamoto Suzan 2321.89
3 Black Win Kon Akira 1968.90
4 Black Win Miyagawa Junzo 2199.17
40th Kyoto Classified - Special class
Date 2009-11-09 Rating 2519.49
Round Color Result Opponent
1 Black Win Miyoshi Takeo 2154.70
2 White Draw Okabe Hiroshi 2671.40
3 Black Win Ishitani Shin-ichi 2368.53
4 Black Loss Hasegawa Kazuto 2709.81
5 Black Win Kubo Izumi 2113.68
41 Kyoto Classified Tournament
Date 2009-11-08 Rating 2519.41
Round Color Result Opponent
S1 Black Loss Hasegawa Kazuto 2709.89
S2 White Win Sakamoto Suzan 2321.32
S3 White Win Kudomi Takahiro 2363.94
S4 White Win Okabe Hiroshi 2671.26
S5 Black Loss Okumura Toyohiko 2329.50
47th Meijinsen tournament
Date 2009-09-22 Rating 2514.39
Round Color Result Opponent
1 White Win Tamura Kazumasa 2506.15
2 White Win Yamaguchi Yusui 2573.86
3 Black Loss Kawamura Norihiko 2631.93
4 Black Win Kataoka Mitsuaki 2256.06
5 White Loss Oosumi Yuuki 2625.13
6 White Draw Ishitani Shin-ichi 2368.05
7 White Win Matsuura Hiroshi 2364.68
8 White Loss Okabe Hiroshi 2670.96
9 White Win Sakamoto Suzan 2311.11
The 6th Shanghai Renju Meijin Invitation Tournament
Date 2009-05-03 Rating 2489.41
Round Color Result Opponent
1 White Draw Oosumi Yuuki 2614.01
2 Black Loss Gu Wei 2515.22
3 Black Loss Li Yi 2638.78
4 Black Loss Yu Manjiang 2503.88
5 Black Win Xu Bin 2195.42
6 White Win Mitsumori Masao 2343.93
7 White Draw Isobe Taizan 2405.08
4th All Japan Championship
Date 2009-03-21 Rating 2485.33
Round Color Result Opponent
1 Black Win Iwano Fumio 2173.68
2 White Loss Tamura Kazumasa 2511.32
3 Black Loss Tamada Yoichi 2296.20
4 Black Win Tanizaki Ryusuke 2124.84
5 White Win Sakamoto Suzan 2292.57
6 White Draw Ishitani Shin-ichi 2389.45
4 Kansai Championship 3rd round
Date 2009-02-15 Rating 2485.29
Round Color Result Opponent
1 White Loss Tamura Kazumasa 2503.82
2 Black Loss Oosumi Yuuki 2601.79
3 Black Loss Takashima Junya 2534.20
4th Kansai Championship, 2nd round
Date 2008-11-16 Rating 2497.73
Round Color Result Opponent
1 Black Win Sakamoto Suzan 2279.99
2 Black Win Miyagawa Junzo 2234.88
3 White Draw Tamura Kazumasa 2484.55
4 White Loss Takashima Junya 2534.37
46th Meijinsen Tournament
Date 2008-09-15 Rating 2506.65
Round Color Result Opponent
1 White Win Matsuura Hiroshi 2326.25
2 Black Win Oosumi Yuuki 2559.39
3 Black Loss Okabe Hiroshi 2689.86
4 Black Win Yamaguchi Yusui 2580.86
5 Black Win Kataoka Mitsuaki 2248.88
6 Black Win Hata Masayuki 2258.71
7 White Loss Sato Kiyotomi 2441.98
8 Black Draw Ishitani Shin-ichi 2394.88
9 Black Loss Kawamura Norihiko 2661.10
46th Meijinsen Qualification Kansai area 2nd round
Date 2008-06-15 Rating 2514.54
Round Color Result Opponent
1 Black Draw Miyagawa Junzo 2253.71
2 Black Win Sakamoto Suzan 2285.30
3 White Loss Hata Masayuki 2268.55
Team World Championship 2008
Date 2008-05-02 Rating 2522.77
Round Color Result Opponent
1 Black Draw Laube Pavel 2460.41
2 White Win Artemyev Sergey 2649.15
3 Black Win Cao Dong 2646.53
4 White Loss Karlsson Stefan 2604.84
5 White Loss Sushkov Vladimir 2755.83
7 Black Win Taimla Tunnet 2787.63
8 White Draw Saarenpää Samuli 2410.24
9 Black Win Piddubny Konstantin 2270.00
3rd All Japan Championship
Date 2008-03-23 Rating 2523.50
Round Color Result Opponent
1 White Win Fujikawa Masaki 2105.38
2 Black Win Miyoshi Takeo 2275.50
3 Black Win Nakamura Shigeru 2854.91
4 White Loss Isobe Taizan 2434.97
5 Black Loss Yamaguchi Yusui 2611.75
6 Black Loss Ishitani Shin-ichi 2403.99
3rd Kansai Championship 3rd round
Date 2008-01-13 Rating 2528.81
Round Color Result Opponent
1 White Win Takagawa Teiji 2240.13
2 White Win Tamura Kazumasa 2412.82
3 White Loss Oosumi Yuuki 2561.00
39th Kyoto Classified - Special Class
Date 2007-11-11 Rating 2533.28
Round Color Result Opponent
1 Black Win Miyoshi Takeo 2293.20
2 Black Loss Hasegawa Kazuto 2766.44
3 Black Win Okumura Toyohiko 2322.73
4 White Win Kudomi Takahiro 2338.23
5 White Loss Okabe Hiroshi 2651.62
The 45th Meijin-sen Tournament
Date 2007-09-17 Rating 2536.37
Round Color Result Opponent
1 White Loss Isobe Taizan 2434.82
2 Black Loss Miyoshi Takeo 2301.69
3 Black Loss Okabe Hiroshi 2639.69
4 White Win Matsuura Hiroshi 2300.37
5 White Win Kawamura Norihiko 2630.39
6 Black Win Sato Kiyotomi 2397.82
7 Black Win Hiwatashi Kikuma 1884.97
8 White Draw Oosumi Yuuki 2555.11
9 White Win Yamaguchi Yusui 2651.58
World Championship 2007, AT
Date 2007-08-15 Rating 2537.99
Round Color Result Opponent
1 White Draw Oll Aivo 2654.37
2 Black Loss Okabe Hiroshi 2630.93
3 Black Loss Yamaguchi Yusui 2654.83
4 White Loss Wu Di 2703.25
5 Black Loss Taimla Tunnet 2760.17
6 Black Win Kozhin Mikhail 2596.08
7 Black Loss Sushkov Vladimir 2758.35
8 White Loss Savrasova Yulia 2695.37
9 White Win Purk Andry 2633.61
10 White Draw Chingin Konstantin 2798.09
11 White Loss Karlsson Stefan 2611.40
World Championship 2007, QT
Date 2007-08-08 Rating 2538.65
Round Color Result Opponent
1 Black Win Ishitani Shin-ichi 2385.96
2 White Win Poghosyan Albert 2388.25
3 White Draw Okabe Hiroshi 2630.13
4 Black Win Jonsson Peter 2335.43
5 Black Win Qiu Yunfei 2495.13
6 White Win Lin Huang-Yu 2521.88
7 White Win Andersson Tord 2350.41
45th Meijinsen Qualification Kansai area final round
Date 2007-06-17 Rating 2531.32
Round Color Result Opponent
1 Black Win Hata Masayuki 2227.47
2 Black Loss Sakamoto Suzan 2296.92
3 Black Win Oosumi Yuuki 2532.47
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2520.82
Round Color Result Opponent
1 Black Loss Ono Takayuki 2341.58
2 Black Win Tanizaki Ryusuke 2139.07
3 White Win Koyama Jun 2375.25
4 White Loss Isobe Taizan 2426.93
5 Black Win Nagao Noriaki 2233.94
6 Black Win Miyagawa Junzo 2274.58
2nd Kansai Championship, Final Match
Date 2007-03-18 Rating 2520.42
Round Color Result Opponent
1 White Loss Hasegawa Kazuto 2751.99
2 Black Loss Hasegawa Kazuto 2751.99
2nd Kansai Championship 3rd round
Date 2007-01-14 Rating 2519.75
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2487.57
2 White Win Sagara Takashi 2498.91
3 Black Draw Takashima Junya 2511.06
38th Kyoto Classified - Special class
Date 2006-11-12 Rating 2512.69
Round Color Result Opponent
1 White Win Sakamoto Suzan 2291.22
2 White Loss Takashima Junya 2508.22
3 White Win Adachi Yasuhiro 2055.63
4 White Draw Hasegawa Kazuto 2737.50
5 Black Loss Miyoshi Takeo 2281.70
2nd Kansai Championship 2nd round
Date 2006-10-15 Rating 2511.82
Round Color Result Opponent
1 Black Loss Oosumi Yuuki 2464.13
2 Black Win Doi Manabu 2135.66
3 Black Win Ozawa Tetsushi 2011.68
4 Black Win Takagawa Teiji 2289.78
The 44th Meijin-sen Tournament
Date 2006-09-18 Rating 2511.56
Round Color Result Opponent
1 White Draw Nagao Noriaki 2241.70
2 White Loss Okabe Hiroshi 2600.77
3 Black Loss Kawamura Norihiko 2664.52
4 White Loss Yamaguchi Yusui 2637.00
5 Black Win Ishitani Shin-ichi 2361.85
6 Black Win Oosumi Yuuki 2453.68
7 Black Win Fujii Naoki 2135.45
8 White Win Matsuura Hiroshi 2299.11
9 White Win Sato Kiyotomi 2440.95
Asian Championship 2006
Date 2006-08-15 Rating 2510.76
Round Color Result Opponent
1 White Draw Kashihara Akihiko 2295.07
2 Black Win Lee Jo-Sub 2329.34
3 Black Win Oosumi Yuuki 2443.15
4 White Draw Yamaguchi Yusui 2634.76
5 Black Win Park Jeong Ho 2387.00
6 Black Loss Kim Chang-Hoon 2542.33
7 Black Win Ishitani Shin-ichi 2361.81
8 White Loss Okabe Hiroshi 2596.98
Meijin-sen Qual, Kansai-Hokuriku area final round
Date 2006-06-18 Rating 2507.12
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2431.76
2 White Win Takashima Junya 2499.62
3 White Win Hata Masayuki 2224.38
Meijin-sen Qual, Kansai area 1st round
Date 2006-05-14 Rating 2500.85
Round Color Result Opponent
1 White Win Okuda Shingo 1968.93
2 White Win Hata Masayuki 2227.76
3 Black Win Takagawa Teiji 2303.13
4 Black Win Matsui Tsunehiro 2171.88
Team World Championship 2006
Date 2006-05-05 Rating 2498.65
Round Color Result Opponent
1 White Loss Pellikka Marko 2322.22
2 White Loss Andersson Tord 2319.25
3 White Draw Oll Aivo 2648.19
4 Black Win Skuridin Alexey 2388.49
5 Black Win Ge Lingfeng 2398.69
6 White Loss Savrasova Yulia 2676.68
7 White Win Sulane Sander 2093.82
F1 White Loss Gaulitz Joachim 2511.75
F2 White Win Andersson Tord 2319.25
1st All Japan Championship
Date 2006-03-26 Rating 2493.11
Round Color Result Opponent
1 Black Loss Kato Yasuhiro 2053.59
2 White Win Nagao Noriaki 2220.43
3 Black Win Matsuura Hiroshi 2311.72
4 White Win Tanizaki Ryusuke 2111.65
5 White Win Isobe Taizan 2424.22
6 Black Loss Yamaguchi Yusui 2634.85
37th Kyoto Classified - Special class
Date 2005-11-13 Rating 2479.11
Round Color Result Opponent
1 Black Win Matsuo Yoshihiro 2004.01
2 White Win Miyoshi Takeo 2278.42
3 Black Win Miyagawa Junzo 2250.36
4 Black Draw Okabe Hiroshi 2592.35
5 White Loss Hasegawa Kazuto 2707.07
1st Kansai Championship 2nd round
Date 2005-10-16 Rating 2474.74
Round Color Result Opponent
1 Black Win Adachi Yasuhiro 2045.53
2 Black Win Hata Masayuki 2212.11
3 White Draw Takagawa Teiji 2322.19
4 Black Loss Hasegawa Kazuto 2703.68
World Championship 2005, BT
Date 2005-08-05 Rating 2464.78
Round Color Result Opponent
1 Black Win Wang Chih-Kung 2206.27
2 Black Loss Lents Johann 2533.94
3 Black Win Ono Takayuki 2289.97
4 White Win Väljataga Paul 1903.52
5 White Loss Maximov Nikolay 2161.45
6 White Win Eriksson Marcus 2264.71
7 White Draw Oblikas Mikk 2260.87
8 Black Loss Ilu Timo 2579.64
9 White Loss Tamura Kazumasa 2358.98
World Championship 2005, QT
Date 2005-07-31 Rating 2465.07
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2377.07
2 White Loss Purk Andry 2565.67
3 White Draw Oll Aivo 2553.84
4 Black Win Kozhin Mikhail 2550.35
5 Black Draw Yamaguchi Yusui 2577.51
6 White Loss Sushkov Vladimir 2695.35
7 White Win Ilu Timo 2579.08
43rd Meijinsen Qualification: Kansai area 1st round
Date 2005-05-08 Rating 2457.25
Round Color Result Opponent
1 White Win Matsui Tsunehiro 2166.44
2 Black Win Iwata Akihisa 2153.39
3 White Loss Takashima Junya 2485.17
4 Black Loss Tamura Kazumasa 2348.73
36th Kyoto Classified - Special Class
Date 2004-11-14 Rating 2456.62
Round Color Result Opponent
1 White Win Miyoshi Takeo 2255.27
2 Black Loss Kudomi Takahiro 2333.13
3 White Win Adachi Yasuhiro 2045.92
4 White Win Miyagawa Junzo 2256.93
5 White Draw Hasegawa Kazuto 2657.81
The 42nd Meijin-sen Tournament
Date 2004-09-20 Rating 2455.47
Round Color Result Opponent
1 White Win Okabe Hiroshi 2562.55
2 White Loss Kawamura Norihiko 2719.97
3 Black Win Sakashita Shoichi 2204.46
4 White Loss Ishitani Shin-ichi 2376.86
5 White Loss Hasegawa Kazuto 2655.42
6 White Win Saito Koji 2191.02
7 Black Loss Sakamoto Suzan 2291.37
8 White Loss Matsuura Hiroshi 2404.12
9 White Win Takagawa Teiji 2335.37
Team World Championship 2004
Date 2004-05-05 Rating 2467.47
Round Color Result Opponent
1 Black Loss Karlsson Stefan 2541.12
2 White Win Degtyar Felix 2146.86
3 Black Loss Meritee Ando 2802.49
4 White Win Khramov Andrey 2232.55
6 Black Win Piddubny Konstantin 2201.47
7 Black Loss Salnikov Pavel 2559.25
8 Black Loss Rusin Vladislav 2620.94
9 Black Draw Sushkov Vladimir 2676.70
35th Kyoto Classified - Special Class
Date 2003-11-09 Rating 2490.80
Round Color Result Opponent
1 White Win Yasumoto Yoshinobu 1999.76
2 Black Win Iwata Akihisa 2206.52
3 Black Loss Hasegawa Kazuto 2629.78
4 Black Win Miyoshi Takeo 2232.27
5 White Win Hata Masayuki 2120.39
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2496.79
Round Color Result Opponent
1 White Win Matsuura Hiroshi 2408.43
2 White Win Miyagawa Junzo 2262.27
3 White Win Takashima Junya 2341.75
4 White Loss Kuga Akio 2383.15
5 White Loss Hasegawa Kazuto 2625.70
6 Black Win Kudomi Takahiro 2340.21
7 White Win Ishitani Shin-ichi 2383.16
8 White Win Isobe Taizan 2416.79
9 White Win Okabe Hiroshi 2550.71
World Championship 2003, AT
Date 2003-08-08 Rating 2494.66
Round Color Result Opponent
1 White Draw Yamaguchi Yusui 2578.93
2 White Loss Taimla Tunnet 2708.60
3 White Draw Okabe Hiroshi 2549.52
4 White Loss Chingin Konstantin 2715.27
5 White Loss Meritee Ando 2801.50
6 White Loss Sinyov Igor 2554.73
7 White Draw Karlsson Stefan 2557.46
8 White Win Gaulitz Joachim 2406.68
9 White Win Andersson Tord 2379.83
10 Black Win Carlsson Martin 2428.10
11 Black Loss Sushkov Vladimir 2689.62
World Championship 2003, QT
Date 2003-07-31 Rating 2494.07
Round Color Result Opponent
1 Black Win Mitsumori Masao 2290.54
2 White Draw Karasyov Maxim 2488.50
3 White Draw Yamaguchi Yusui 2579.32
4 White Win Chang Yi-Feng 2461.56
5 White Win Ishitani Shin-ichi 2382.74
6 White Win Eibatov Nizami 2334.92
7 White Draw Sushkov Vladimir 2689.05
Japan WC Qualification 2003
Date 2003-03-22 Rating 2459.86
Round Color Result Opponent
1 Black Loss Sakurai Yasuo 2079.11
2 White Win Arita Nobuyoshi 2184.47
3 Black Win Iwata Akihisa 2207.72
4 Black Win Tamura Kazumasa 2282.15
5 White Loss Kubo Izumi 2229.53
34th Kyoto Classified - special class
Date 2002-11-10 Rating 2441.01
Round Color Result Opponent
1 Black Win Okabe Hiroshi 2486.25
2 White Loss Kudomi Takahiro 2390.44
3 Black Win Iwata Akihisa 2199.44
4 White Win Hasegawa Kazuto 2585.53
5 White Loss Miyoshi Takeo 2244.76
40th Meijin-sen Tournament
Date 2002-09-16 Rating 2432.35
Round Color Result Opponent
1 Black Loss Takagawa Teiji 2359.36
2 Black Loss Ishitani Shin-ichi 2391.92
3 Black Win Okabe Hiroshi 2474.68
4 White Draw Isobe Taizan 2446.56
5 White Loss Hasegawa Kazuto 2591.33
6 White Loss Yamaguchi Yusui 2590.09
7 Black Win Nishimura Toshio 2353.52
8 Black Win Kudomi Takahiro 2392.88
9 Black Win Matsuura Hiroshi 2313.27
40th Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2002-06-16 Rating 2417.73
Round Color Result Opponent
1 White Win Miyagawa Sou 2060.50
2 Black Win Sakamoto Suzan 2257.13
3 White Win Ikeshima Wakio 1637.31
4 Black Draw Miyagawa Junzo 2249.99
5 Black Draw Takagawa Teiji 2361.12
Team World Championship 2002
Date 2002-05-03 Rating 2410.22
Round Color Result Opponent
1 Black Loss Taimla Tunnet 2565.42
2 Black Loss Dvoeglazov Vladimir 2365.02
3 Black Win Drozd Olexandr 2266.70
4 White Loss Carlsson Martin 2335.75
5 Black Loss Gardström Petter 2487.89
6 White Win Lee Yun-Sub 2029.62
7 White Loss Semyonov Vladimir 2420.07
8 White Loss Carlsson Martin 2335.75
9 White Win Carlsson Martin 2335.75
33rd Kyoto Classified - special class
Date 2001-11-11 Rating 2421.91
Round Color Result Opponent
1 White Win Adachi Yasuhiro 2004.64
2 Black Win Doi Manabu 2116.34
3 Black Win Iwata Akihisa 2193.50
4 Black Win Hasegawa Kazuto 2578.23
5 Black Win Miyagawa Junzo 2240.80
The 39th Meijin-sen Tournament
Date 2001-09-24 Rating 2417.62
Round Color Result Opponent
1 White Loss Kudomi Takahiro 2389.25
2 Black Win Hayakawa Yoshimi 2415.58
3 White Win Takagawa Teiji 2338.34
4 White Win Maruyama Yasushi 2197.80
5 White Draw Yamaguchi Yusui 2552.23
6 White Loss Nishimura Toshio 2369.30
7 White Win Matsuura Hiroshi 2252.69
8 White Loss Nara Hideki 2532.35
9 White Loss Hasegawa Kazuto 2575.07
World Championship 2001, BT
Date 2001-08-12 Rating 2414.58
Round Color Result Opponent
1 White Win Tatsutomi Hiroyuki 2218.81
2 Black Win Chernov Sergey 2291.04
3 Black Win Ono Takayuki 2188.49
4 White Loss Hasegawa Kazuto 2572.66
5 White Win Khramov Andrey 2205.00
6 White Win Sakamoto Suzan 2213.37
7 White Loss Kusajima Masato 2392.41
8 White Win Kudomi Takahiro 2386.97
32-nd Kyoto Classified - Special class
Date 2000-11-12 Rating 2368.05
Round Color Result Opponent
1 White Loss Nara Hideki 2577.10
2 Black Win Sakamoto Suzan 2181.11
3 Black Loss Hasegawa Kazuto 2558.76
4 Black Win Koiso Shigemasa 2152.36
5 White Draw Miyoshi Takeo 2197.27
38th Meijinsen Tournament
Date 2000-10-01 Rating 2361.97
Round Color Result Opponent
1 White Win Fujinami Hisao 2242.65
2 Black Loss Kudomi Takahiro 2362.78
3 White Loss Hasegawa Kazuto 2564.87
4 White Loss Arai Yutaka 2187.41
5 White Win Nishizono Norio 2354.49
6 Black Draw Hayakawa Yoshimi 2425.64
7 White Loss Maruyama Yasushi 2239.03
8 Black Loss Nara Hideki 2578.05
9 Black Win Kusajima Masato 2360.80
Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2000-06-19 Rating 2357.87
Round Color Result Opponent
1 White Win Sakamoto Suzan 2203.08
2 White Loss Hayakawa Yoshimi 2452.24
3 White Win Takehara Kenji 1835.23
38th Meijinsen Qualification: Kansai area 1st Round
Date 2000-05-21 Rating 2356.82
Round Color Result Opponent
1 White Win Tatsutomi Hiroyuki 2199.34
2 White Loss Hayakawa Yoshimi 2457.76
3 Black Win Matsui Tsunehiro 2218.62
4 White Win Iwata Akihisa 2209.72