Iio Yoshihiro, Japan - Renju Rating

Iio Yoshihiro (飯尾義弘)

Place: Kobe, Japan

Rating: 2351.40, Std: 95.01, Rank: 175

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

Top rating: 2509.74 (2016-05-15)

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

Gy1: 9, Gy2: 29, Gy5: 93

59th Meijinsen Tournament
Date 2022-01-10 Rating 2351.40
Round Color Result Opponent
1 Black Loss Nagasoe Hiroki 2594.29
2 Black Win Hasegawa Kazuto 2544.29
3 White Loss Ono Takayuki 2359.73
4 Black Win Hayashi Shoichi 2080.35
5 Black Loss Kamiya Shunsuke 2818.99
6 White Loss Okabe Hiroshi 2657.94
7 White Win Maruyama Yasushi 2253.26
8 White Loss Nakayama Tomoharu 2781.28
9 White Win Maruta Hiroki 2176.97
53 Kyoto Classified Tournament
Date 2021-11-13 Rating 2348.89
Round Color Result Opponent
S1 White Win Fujita Maiko 2301.02
S2 Black Loss Kawamura Norihiko 2624.79
S3 White Draw Hata Masayuki 2127.63
S4 Black Loss Ishitani Shin-ichi 2268.64
S5 White Loss Hasegawa Kazuto 2540.94
17 Kansai Championship 1st round
Date 2021-10-17 Rating 2349.49
Round Color Result Opponent
1 White Win Toyo Koryu 2027.50
2 White Win Tokonami Shota 1974.93
3 Black Win Sakamoto Hirouji 2219.14
4 Black Loss Tanaka Shotaro 2201.33
5 White Win Kito Shinichi 2119.05
59 Meijinsen Qualification Kansai area 2nd round
Date 2021-07-18 Rating 2351.06
Round Color Result Opponent
1 White Loss Hasegawa Kazuto 2545.37
2 White Draw Makino Mitsunori 2494.66
3 Black Win Hayashi Shoichi 2099.21
59 Meijinsen Qualification Kansai area 1st round
Date 2021-06-20 Rating 2351.25
Round Color Result Opponent
1 Black Win Tanaka Toshiki 2376.69
2 White Win Hayashi Shoichi 2101.10
3 White Draw Hasegawa Kazuto 2544.87
4 White Win Hata Masayuki 2127.13
16 Kansai Championship 2nd round
Date 2021-02-21 Rating 2341.49
Round Color Result Opponent
1 Black Loss Sakamoto Hirouji 2231.69
2 Black Loss Makino Mitsunori 2489.80
3 Black Loss Kawamura Norihiko 2622.62
16 Kansai Championship 1st round
Date 2020-10-18 Rating 2341.61
Round Color Result Opponent
1 Black Loss Kawamura Norihiko 2625.54
2 Black Win Adachi Tomoya 1572.35
3 White Win Hayashi Shoichi 2108.57
4 Black Win Sakamoto Hirouji 2234.84
5 Black Loss Tanaka Shotaro 2190.19
58 Meijinsen Qualification Kansai area 1st round
Date 2020-06-21 Rating 2344.36
Round Color Result Opponent
1 Black Win Hata Masayuki 2118.12
2 Black Loss Sakamoto Hirouji 2233.00
3 White Loss Makino Mitsunori 2420.71
4 White Win Kito Shinichi 2126.39
5 White Loss Tachi Masaya 2440.37
15 Kansai Championship 2nd round
Date 2020-02-16 Rating 2356.42
Round Color Result Opponent
1 White Win Kito Shinichi 2130.95
2 White Win Hayashi Shoichi 2114.87
3 Black Loss Makino Mitsunori 2368.16
ex Black Loss Makino Mitsunori 2368.16
15th All Japan Championship
Date 2020-01-19 Rating 2360.24
Round Color Result Opponent
1 White Win Hata Masayuki 2128.14
2 Black Loss Nakayama Tomoharu 2786.03
3 White Loss Makino Mitsunori 2355.74
4 Black Win Fujita Maiko 2295.86
5 White Win Ishitani Shin-ichi 2323.32
6 White Loss Okabe Hiroshi 2674.01
51 Kyoto Classified Tournament
Date 2019-11-04 Rating 2368.74
Round Color Result Opponent
S1 White Win Ozawa Tetsushi 1946.70
S2 Black Loss Tanaka Toshiki 2426.19
S3 Black Win Nishida Toshio 2031.11
S4 White Loss Hasegawa Kazuto 2558.82
S5 White Loss Kawamura Norihiko 2623.61
14 Kansai Championship final match R3
Date 2019-08-19 Rating 2381.06
Round Color Result Opponent
3 Black Loss Hasegawa Kazuto 2556.88
57 Meijinsen Qualification Kansai area 1st round
Date 2019-05-19 Rating 2397.61
Round Color Result Opponent
1 White Win Tanaka Toshiki 2427.48
2 White Loss Hasegawa Kazuto 2548.64
3 White Loss Tachi Masaya 2470.95
4 Black Win Matsui Tsunehiro 2126.70
14 Kansai Championship final match
Date 2019-05-06 Rating 2399.92
Round Color Result Opponent
1 White Loss Hasegawa Kazuto 2547.53
2 Black Win Hasegawa Kazuto 2547.53
14th All Japan Championship
Date 2019-03-31 Rating 2405.26
Round Color Result Opponent
1 White Win Maruta Hiroki 2137.19
2 White Loss Nakayama Tomoharu 2764.45
3 White Win Chigira Makoto 2039.09
4 Black Loss Okabe Hiroshi 2649.75
5 Black Win Ishitani Shin-ichi 2346.64
6 Black Loss Nakamura Shigeru 2931.54
50 Kyoto Classified Tournament
Date 2018-11-11 Rating 2422.42
Round Color Result Opponent
1 White Loss Ishitani Shin-ichi 2367.19
2 Black Win Ozawa Tetsushi 1968.53
3 Black Loss Sakamoto Hirouji 2243.34
4 White Win Fujita Maiko 2215.45
5 Black Win Hayashi Shoichi 2100.48
56 Meijinsen Qualification Kansai area 2nd round
Date 2018-06-17 Rating 2450.04
Round Color Result Opponent
1 Black Loss Tachi Masaya 2495.04
2 Black Loss Kawamura Norihiko 2607.63
3 Black Loss Hasegawa Kazuto 2539.15
12th Team World Championship
Date 2018-05-05 Rating 2461.62
Round Color Result Opponent
1 White Win Piik Sander 2237.81
3 White Win Jonsson Peter 2275.66
4 White Loss Kozhin Mikhail 2641.77
5 White Loss Epifanov Dmitry 2619.79
7 Black Win Semenov Oleg 2369.97
9 White Loss Cao Dong 2732.90
13 Kansai Championship final match
Date 2018-03-18 Rating 2474.13
Round Color Result Opponent
1 White Loss Oosumi Yuuki 2647.79
2 Black Win Oosumi Yuuki 2647.79
3 White Win Oosumi Yuuki 2647.79
13 Kansai Championship 2nd round
Date 2018-02-18 Rating 2478.94
Round Color Result Opponent
1 White Win Hasegawa Kazuto 2540.68
2 White Win Tachi Masaya 2502.13
3 Black Win Matsui Tsunehiro 2132.35
13th All Japan Championship
Date 2018-01-28 Rating 2480.62
Round Color Result Opponent
1 Black Draw Ishitani Shin-ichi 2365.54
2 White Win Miyamoto Syunju 2213.78
3 White Loss Okabe Hiroshi 2662.39
4 White Win Sato Kiyotomi 2392.25
5 White Loss Kamiya Shunsuke 2750.78
6 White Loss Nakayama Tomoharu 2786.93
49 Kyoto Classified Tournament
Date 2017-11-12 Rating 2487.84
Round Color Result Opponent
S1 White Win Nishida Toshio 2034.29
S2 White Win Hasegawa Kazuto 2549.63
S3 Black Loss Kawamura Norihiko 2596.60
S4 White Win Hata Masayuki 2155.91
S5 White Win Ishitani Shin-ichi 2350.14
13 Kansai Championship 1st round
Date 2017-10-22 Rating 2488.64
Round Color Result Opponent
1 Black Win Matsui Tsunehiro 2140.70
3 White Draw Tachi Masaya 2499.53
4 Black Loss Sakamoto Hirouji 2237.08
5 White Loss Kawamura Norihiko 2595.24
55 Meijinsen Tournament
Date 2017-09-18 Rating 2492.53
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2748.19
2 White Loss Nakayama Tomoharu 2781.25
3 Black Loss Okabe Hiroshi 2668.03
4 White Win Tamada Yoichi 2468.94
5 Black Win Maruyama Yasushi 2241.50
6 Black Win Hasegawa Kazuto 2553.17
7 White Win Matsuura Hiroshi 2301.76
8 White Win Kawano Takahisa 2381.17
9 Black Loss Sato Kiyotomi 2406.33
55 Meijinsen Qualification Kansai area 2nd round
Date 2017-06-18 Rating 2498.95
Round Color Result Opponent
1 White Win Tachi Masaya 2495.77
2 White Win Kawamura Norihiko 2578.73
3 White Win Hasegawa Kazuto 2563.19
12th All Japan Championship
Date 2017-03-26 Rating 2494.20
Round Color Result Opponent
1 Black Draw Maruta Koji 2108.14
2 White Loss Ishitani Shin-ichi 2349.91
3 White Win Kusajima Masato 2234.90
4 White Loss Tamada Yoichi 2498.07
5 Black Draw Miyamoto Syunju 2199.61
6 White Win Ono Takayuki 2321.72
12 Kansai Championship 2nd round
Date 2017-02-19 Rating 2496.08
Round Color Result Opponent
1 White Win Sakamoto Hirouji 2234.39
2 White Draw Hasegawa Kazuto 2577.54
ex White Loss Hasegawa Kazuto 2577.54
48 Kyoto Classified Tournament
Date 2016-11-13 Rating 2501.99
Round Color Result Opponent
SS1 Black Loss Kawamura Norihiko 2572.27
SS2 White Win Hata Masayuki 2161.88
SS4 Black Loss Hasegawa Kazuto 2586.82
SS5 Black Draw Okabe Hiroshi 2663.73
54 Meijinsen Tournament
Date 2016-09-19 Rating 2507.10
Round Color Result Opponent
1 Black Draw Nakayama Tomoharu 2728.70
2 White Win Maruyama Yasushi 2249.60
3 White Loss Okabe Hiroshi 2667.89
4 Black Draw Koyama Jun 2566.59
5 Black Win Matsuura Hiroshi 2318.92
6 White Draw Kamiya Shunsuke 2703.48
7 Black Win Kuga Akio 2320.84
8 White Loss Hasegawa Kazuto 2587.81
9 Black Win Tanaka Toshiki 2403.74
54 Meijinsen Qualification Kansai area 2nd round
Date 2016-06-19 Rating 2508.82
Round Color Result Opponent
1 Black Win Matsui Tsunehiro 2163.93
2 White Loss Tanaka Toshiki 2410.36
3 White Win Tachi Masaya 2447.93
54 Meijinsen Qualification Kansai area 1st round
Date 2016-05-15 Rating 2509.74
Round Color Result Opponent
1 Black Win Sakamoto Hirouji 2242.74
2 White Win Tachi Masaya 2443.51
3 Black Win Matsui Tsunehiro 2166.87
4 White Win Kawamura Norihiko 2565.21
Team World Championship
Date 2016-05-04 Rating 2508.98
Round Color Result Opponent
2 Black Loss Pajuste Renee 2589.34
3 Black Draw Eriksson Bjorn 2250.98
4 Black Loss Sushkov Vladimir 2808.56
5 White Win Makarov Pavel 2559.59
6 White Win Chen Xin 2377.46
7 Black Win Feng Sheng-Yu 2044.05
9 White Win Lõhmus Kristofer 2216.22
11 Kansai Championship Final match
Date 2016-04-03 Rating 2506.25
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2709.58
2 Black Loss Oosumi Yuuki 2709.58
3 White Loss Oosumi Yuuki 2709.58
11 Kansai Championship 2nd round
Date 2016-03-20 Rating 2504.72
Round Color Result Opponent
1 Black Win Kashihara Akihiko 2301.78
2 Black Win Tachi Masaya 2439.98
3 White Win Sakamoto Hirouji 2241.21
11th All Japan Championship
Date 2016-01-11 Rating 2492.93
Round Color Result Opponent
1 White Win Suzuki Rin 1914.41
2 White Loss Nakamura Shigeru 2877.93
3 Black Win Mano Yoshihisa 2311.19
4 White Loss Nakamura Souta 2249.79
5 White Loss Okabe Hiroshi 2668.00
6 White Loss Ishitani Shin-ichi 2354.65
53 Meijinsen Tournament
Date 2015-09-22 Rating 2486.84
Round Color Result Opponent
1 Black Loss Oosumi Yuuki 2730.13
2 White Win Kawamura Norihiko 2576.03
3 Black Loss Nakayama Tomoharu 2715.51
4 Black Loss Matsuura Hiroshi 2346.66
5 White Draw Tamada Yoichi 2528.13
6 White Draw Ishitani Shin-ichi 2353.25
7 White Draw Koyama Jun 2579.62
8 Black Win Okabe Hiroshi 2671.34
9 Black Loss Hasegawa Kazuto 2615.16
53 Meijinsen Qualification Kansai area 2nd round
Date 2015-06-21 Rating 2482.09
Round Color Result Opponent
1 Black Loss Kawamura Norihiko 2588.40
2 White Loss Hasegawa Kazuto 2611.51
3 White Win Koiso Shigemasa 2136.42
53 Meijinsen Qualification Kansai area 1st round
Date 2015-05-17 Rating 2481.74
Round Color Result Opponent
1 White Draw Tachi Masaya 2440.30
2 White Win Sakamoto Hirouji 2244.61
3 White Win Miyagawa Junzo 2202.33
4 Black Draw Kawamura Norihiko 2590.58
10 Kansai Championship final match
Date 2015-03-15 Rating 2478.94
Round Color Result Opponent
1 White Loss Oosumi Yuuki 2758.02
2 Black Loss Oosumi Yuuki 2758.02
10 Kansai Championship 2nd round
Date 2015-02-15 Rating 2478.39
Round Color Result Opponent
1 Black Draw Tachi Masaya 2435.93
2 Black Win Sakamoto Hirouji 2250.96
3 Black Win Miyagawa Junzo 2198.86
46 Kyoto Classified Tournament
Date 2014-11-09 Rating 2474.16
Round Color Result Opponent
S1 Black Win Matsuo Toshiko 1883.36
S2 Black Win Sakamoto Hirouji 2258.12
S3 White Draw Okabe Hiroshi 2695.82
S4 White Loss Oosumi Yuuki 2770.51
S5 White Loss Kawamura Norihiko 2601.74
52 Meijinsen Tournament
Date 2014-09-15 Rating 2471.54
Round Color Result Opponent
1 Black Loss Hasegawa Kazuto 2603.66
2 Black Loss Matsuura Hiroshi 2315.89
3 White Loss Oosumi Yuuki 2774.33
4 Black Loss Nakayama Tomoharu 2671.20
5 White Loss Sato Kiyotomi 2439.06
6 Black Draw Okabe Hiroshi 2699.00
7 Black Loss Tamada Yoichi 2515.40
8 Black Draw Kashihara Akihiko 2301.28
9 Black Loss Fukui Nobuhiro 2571.29
52 Meijinsen Qualification Kansai area 2nd round
Date 2014-06-15 Rating 2485.63
Round Color Result Opponent
1 White Win Miyagawa Junzo 2177.35
2 Black Win Sakamoto Hirouji 2264.98
3 White Loss Kashihara Akihiko 2302.61
52 Meijinsen Qualification Kansai area 1st round
Date 2014-05-18 Rating 2490.70
Round Color Result Opponent
1 White Win Koiso Shigemasa 2132.53
2 Black Win Miyagawa Junzo 2176.77
3 White Win Kashihara Akihiko 2301.02
4 Black Draw Sakamoto Hirouji 2265.83
Team World Championship
Date 2014-05-03 Rating 2493.17
Round Color Result Opponent
1 Black Win Ono Takayuki 2336.48
3 Black Draw Hõbemägi Martin 2578.36
4 Black Win Epifanov Dmitry 2633.89
6 Black Win Ono Takayuki 2336.48
8 Black Loss Hõbemägi Martin 2578.36
9 White Loss Chingin Konstantin 2821.23
9th Kansai Championship final match
Date 2014-04-06 Rating 2495.86
Round Color Result Opponent
1 White Draw Oosumi Yuuki 2775.54
2 White Win Oosumi Yuuki 2775.54
3 Black Loss Oosumi Yuuki 2775.54
4 Black Loss Oosumi Yuuki 2775.54
9th Kansai Championship 2nd round
Date 2014-02-16 Rating 2497.71
Round Color Result Opponent
1 White Win Sakamoto Hirouji 2265.19
3 Black Win Hasegawa Kazuto 2586.87
9th All Japan Championship
Date 2014-01-26 Rating 2497.21
Round Color Result Opponent
1 White Win Miyagawa Junzo 2170.29
2 White Draw Oosumi Yuuki 2780.68
3 Black Win Sato Kiyotomi 2422.99
4 White Win Nakayama Tomoharu 2631.36
5 Black Loss Okabe Hiroshi 2709.17
6 Black Win Ono Takayuki 2336.46
45 Kyoto Classified Tournament
Date 2013-11-10 Rating 2486.19
Round Color Result Opponent
S1 Black Win Kawano Takahisa 2341.16
S2 White Loss Hasegawa Kazuto 2582.64
S3 White Win Sandstrom Richard 2341.34
S4 Black Loss Fukui Nobuhiro 2552.66
S5 White Win Ishitani Shin-ichi 2381.96
9th Kansai Championship 1st round
Date 2013-10-27 Rating 2483.99
Round Color Result Opponent
1 Black Win Sakamoto Hirouji 2267.26
2 Black Win Watanabe Nobuo 1991.08
3 White Win Kubo Izumi 2066.93
4 White Win Kon Akira 1954.22
51 Meijinsen Qualification Kansai area 2nd round
Date 2013-06-16 Rating 2459.07
Round Color Result Opponent
1 White Draw Hata Masayuki 2221.90
2 White Loss Hasegawa Kazuto 2574.70
3 Black Win Matsui Tsunehiro 2152.71
ex Black Loss Hata Masayuki 2221.90
51 Meijinsen Qualification Kansai area 1st round
Date 2013-05-19 Rating 2456.50
Round Color Result Opponent
1 Black Loss Hata Masayuki 2221.75
2 Black Win Sakamoto Hirouji 2266.32
3 Black Win Kubo Izumi 2059.20
4 Black Win Matsui Tsunehiro 2152.90
5 Black Win Koiso Shigemasa 2126.93
8th All Japan Championship
Date 2013-03-24 Rating 2452.07
Round Color Result Opponent
1 Black Win Miyagawa Junzo 2183.60
2 White Win Ishitani Shin-ichi 2344.52
3 Black Loss Nakamura Shigeru 2827.95
4 White Loss Okabe Hiroshi 2688.95
5 Black Draw Kamiya Shunsuke 2491.25
6 Black Draw Sato Kiyotomi 2402.75
8th Kansai Championship 2nd round
Date 2013-02-17 Rating 2448.78
Round Color Result Opponent
1 White Win Takahashi Roi 2145.00
2 White Win Miyagawa Junzo 2183.39
3 White Loss Hasegawa Kazuto 2565.73
ex White Loss Hasegawa Kazuto 2565.73
44 Kyoto Classified Tournament
Date 2012-11-11 Rating 2442.09
Round Color Result Opponent
S1 White Loss Kudomi Takahiro 2376.75
S2 White Win Tamura Kazumasa 2486.84
S3 White Draw Ono Takayuki 2380.13
S4 White Loss Ishitani Shin-ichi 2335.20
8th Kansai Championship 1st round
Date 2012-10-08 Rating 2441.71
Round Color Result Opponent
1 White Win Takahashi Roi 2139.38
2 White Win Miyagawa Junzo 2182.65
3 White Loss Hasegawa Kazuto 2554.74
4 White Win Koiso Shigemasa 2136.11
5 White Win Kon Akira 1964.08
50th Meijinsen Tournament
Date 2012-09-17 Rating 2441.16
Round Color Result Opponent
1 White Win Ono Takayuki 2384.53
2 White Loss Nakayama Tomoharu 2584.79
3 Black Loss Yamaguchi Yusui 2606.41
4 Black Loss Nagasoe Hiroki 2516.56
5 White Loss Fukui Nobuhiro 2499.91
6 Black Loss Nakamura Shigeru 2837.72
7 White Loss Okabe Hiroshi 2672.28
8 Black Win Hasegawa Kazuto 2553.40
9 White Loss Matsuura Hiroshi 2303.24
50 Meijinsen Qualification Kansai area 2nd round
Date 2012-06-17 Rating 2447.71
Round Color Result Opponent
1 White Win Sakamoto Hirouji 2298.30
2 White Loss Kise Katsumi 2511.42
3 Black Win Hasegawa Kazuto 2548.88
7th Kansai Championship 2nd round
Date 2012-02-19 Rating 2451.51
Round Color Result Opponent
1 Black Win Sakamoto Hirouji 2303.92
2 White Win Hata Masayuki 2198.90
3 Black Loss Kise Katsumi 2514.70
7th All Japan Championship
Date 2012-01-29 Rating 2452.06
Round Color Result Opponent
1 Black Win Tada Ayako 2234.32
2 Black Win Mitsumori Masao 2326.61
3 White Win Sakamoto Hirouji 2306.57
4 White Draw Nakayama Tomoharu 2561.44
5 White Loss Nakamura Shigeru 2835.54
6 White Loss Kudomi Takahiro 2384.16
43 Kyoto Classified Tournament
Date 2011-11-13 Rating 2452.31
Round Color Result Opponent
S1 White Loss Sakamoto Hirouji 2314.31
S2 White Loss Okumura Toyohiko 2295.08
S3 White Loss Mano Yoshihisa 2218.20
S4 Black Win Doi Manabu 2074.79
S5 White Win Kubo Izumi 2073.91
49th Meijinsen Tournament
Date 2011-09-19 Rating 2460.61
Round Color Result Opponent
1 Black Win Sakashita Shoichi 2117.39
2 White Win Kashihara Akihiko 2233.96
3 Black Loss Matsuura Hiroshi 2342.96
4 Black Draw Nakayama Tomoharu 2539.92
5 Black Draw Hasegawa Kazuto 2540.87
6 Black Win Kubo Izumi 2080.16
7 Black Loss Okabe Hiroshi 2668.03
8 White Loss Yamaguchi Yusui 2606.63
9 White Win Miyoshi Takeo 2133.27
World Championship BT
Date 2011-08-06 Rating 2468.58
Round Color Result Opponent
1 White Loss Nikonov Konstantin 2599.88
2 White Win Rachitskaya Viktoria 2267.79
3 Black Win Staub Rain 1893.11
4 White Win Ono Takayuki 2364.55
5 White Loss Pajuste Renee 2442.37
6 Black Win Hõbemägi Martin 2374.52
7 Black Win Karasyov Maxim 2601.92
8 White Win Nakayama Tomoharu 2532.59
9 White Draw Potapov Alexey 2581.42
49 Meijinsen Qualification Kansai area 2nd round
Date 2011-06-19 Rating 2471.68
Round Color Result Opponent
1 White Win Kubo Izumi 2087.06
2 Black Draw Kashihara Akihiko 2230.83
3 White Win Kise Katsumi 2508.42
6th All Japan Championship
Date 2011-03-27 Rating 2474.91
Round Color Result Opponent
1 White Win Miyoshi Takeo 2120.50
2 White Win Kon Akira 1977.83
3 White Draw Hasegawa Kazuto 2571.71
4 White Loss Okabe Hiroshi 2662.72
5 White Loss Tamada Yoichi 2467.65
6 White Win Kawano Takahisa 2320.97
6th Kansai Championship final match
Date 2011-03-20 Rating 2475.26
Round Color Result Opponent
1 White Loss Oosumi Yuuki 2698.52
2 White Loss Oosumi Yuuki 2698.52
48th Meijinsen Tournament
Date 2010-09-20 Rating 2490.30
Round Color Result Opponent
1 White Win Sakamoto Hirouji 2312.48
2 White Win Tamada Yoichi 2451.12
3 Black Win Matsuura Hiroshi 2352.37
4 White Draw Okabe Hiroshi 2659.73
5 White Draw Kawano Takahisa 2298.01
6 White Win Ishitani Shin-ichi 2359.68
7 Black Loss Yamaguchi Yusui 2560.44
8 White Win Koiso Shigemasa 2144.32
9 White Loss Oosumi Yuuki 2666.05
Team World Championship
Date 2010-05-05 Rating 2493.90
Round Color Result Opponent
3 White Win Artemyev Sergey 2585.79
4 Black Loss Purk Andry 2625.33
5 Black Win Väljataga Paul 2377.52
7 White Win Eibatov Nizami 2283.91
10 White Loss Sumarokov Evgeny 2519.07
5th Kansai Championship final match
Date 2010-03-28 Rating 2493.73
Round Color Result Opponent
1 White Win Oosumi Yuuki 2621.37
2 White Win Oosumi Yuuki 2621.37
5th All Japan Championship
Date 2010-03-21 Rating 2492.99
Round Color Result Opponent
1 White Win Tadokoro Hosai 1881.05
2 Black Loss Nakamura Shigeru 2819.46
3 Black Win Maruta Hiroki 2060.86
4 White Win Kim Chang-Su 2032.31
5 Black Loss Yamaguchi Yusui 2554.64
6 White Loss Shimoyama Takuma 2234.62
5th Kansai Championship 3rd round
Date 2010-02-14 Rating 2492.41
Round Color Result Opponent
1 Black Win Hata Masayuki 2140.03
2 White Win Hasegawa Kazuto 2652.05
3 White Win Sagara Takashi 2455.54
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2490.85
Round Color Result Opponent
S1 Black Win Suzuki Junichiro 1893.93
S2 White Loss Nakamura Shigeru 2821.95
S3 Black Loss Kataoka Mitsuaki 2234.37
S4 White Draw Nagao Noriaki 2325.60
S5 Black Win Ono Takayuki 2358.32
5th Kansai Championship 2nd round
Date 2009-11-15 Rating 2486.93
Round Color Result Opponent
1 Black Loss Koiso Shigemasa 2152.36
2 Black Win Sakamoto Hirouji 2292.18
3 Black Win Kon Akira 1948.56
4 Black Win Miyagawa Junzo 2179.89
40th Kyoto Classified - Special class
Date 2009-11-09 Rating 2486.81
Round Color Result Opponent
1 Black Win Miyoshi Takeo 2139.10
2 White Draw Okabe Hiroshi 2641.48
3 Black Win Ishitani Shin-ichi 2345.06
4 Black Loss Hasegawa Kazuto 2665.86
5 Black Win Kubo Izumi 2087.87
41 Kyoto Classified Tournament
Date 2009-11-08 Rating 2486.76
Round Color Result Opponent
S1 Black Loss Hasegawa Kazuto 2665.94
S2 White Win Sakamoto Hirouji 2291.73
S3 White Win Kudomi Takahiro 2339.67
S4 White Win Okabe Hiroshi 2641.37
S5 Black Loss Okumura Toyohiko 2299.79
47th Meijinsen tournament
Date 2009-09-22 Rating 2483.42
Round Color Result Opponent
1 White Win Tamura Kazumasa 2473.02
2 White Win Yamaguchi Yusui 2548.59
3 Black Loss Kawamura Norihiko 2598.84
4 Black Win Kataoka Mitsuaki 2232.01
5 White Loss Oosumi Yuuki 2596.87
6 White Draw Ishitani Shin-ichi 2344.78
7 White Win Matsuura Hiroshi 2334.49
8 White Loss Okabe Hiroshi 2640.57
9 White Win Sakamoto Hirouji 2284.39
The 6th Shanghai Renju Meijin Invitation Tournament
Date 2009-05-03 Rating 2466.51
Round Color Result Opponent
1 White Draw Oosumi Yuuki 2583.43
2 Black Loss Gu Wei 2488.05
3 Black Loss Li Yi 2619.06
4 Black Loss Yu Manjiang 2492.63
5 Black Win Xu Bin 2184.55
6 White Win Mitsumori Masao 2310.17
7 White Draw Isobe Taizan 2379.49
4th All Japan Championship
Date 2009-03-21 Rating 2463.73
Round Color Result Opponent
1 Black Win Iwano Fumio 2145.79
2 White Loss Tamura Kazumasa 2473.25
3 Black Loss Tamada Yoichi 2279.26
4 Black Win Tanizaki Ryusuke 2103.31
5 White Win Sakamoto Hirouji 2270.07
6 White Draw Ishitani Shin-ichi 2361.10
4 Kansai Championship 3rd round
Date 2009-02-15 Rating 2463.74
Round Color Result Opponent
1 White Loss Tamura Kazumasa 2467.27
2 Black Loss Oosumi Yuuki 2571.70
3 Black Loss Takashima Junya 2499.38
4th Kansai Championship, 2nd round
Date 2008-11-16 Rating 2472.52
Round Color Result Opponent
1 Black Win Sakamoto Hirouji 2260.23
2 Black Win Miyagawa Junzo 2209.21
3 White Draw Tamura Kazumasa 2451.46
4 White Loss Takashima Junya 2499.34
46th Meijinsen Tournament
Date 2008-09-15 Rating 2478.89
Round Color Result Opponent
1 White Win Matsuura Hiroshi 2305.83
2 Black Win Oosumi Yuuki 2536.51
3 Black Loss Okabe Hiroshi 2650.29
4 Black Win Yamaguchi Yusui 2557.06
5 Black Win Kataoka Mitsuaki 2228.31
6 Black Win Hata Masayuki 2220.55
7 White Loss Sato Kiyotomi 2410.19
8 Black Draw Ishitani Shin-ichi 2366.31
9 Black Loss Kawamura Norihiko 2623.92
46th Meijinsen Qualification Kansai area 2nd round
Date 2008-06-15 Rating 2484.86
Round Color Result Opponent
1 Black Draw Miyagawa Junzo 2224.57
2 Black Win Sakamoto Hirouji 2262.35
3 White Loss Hata Masayuki 2227.63
Team World Championship
Date 2008-05-02 Rating 2490.70
Round Color Result Opponent
1 Black Draw Laube Pavel 2428.43
2 White Win Artemyev Sergey 2607.72
3 Black Win Cao Dong 2621.52
4 White Loss Karlsson Stefan 2566.54
5 White Loss Sushkov Vladimir 2723.62
7 Black Win Taimla Tunnet 2753.41
8 White Draw Saarenpää Samuli 2389.67
9 Black Win Piddubny Konstantin 2234.41
3rd All Japan Championship
Date 2008-03-23 Rating 2491.51
Round Color Result Opponent
1 Black Win Fujikawa Masaki 2083.84
2 Black Win Miyoshi Takeo 2243.92
3 White Win Nakamura Shigeru 2819.76
4 Black Loss Isobe Taizan 2404.24
5 White Loss Yamaguchi Yusui 2581.18
6 Black Loss Ishitani Shin-ichi 2373.52
3rd Kansai Championship 3rd round
Date 2008-01-13 Rating 2495.58
Round Color Result Opponent
1 White Win Takagawa Teiji 2222.74
2 White Win Tamura Kazumasa 2392.94
3 White Loss Oosumi Yuuki 2527.96
39th Kyoto Classified - Special Class
Date 2007-11-11 Rating 2498.89
Round Color Result Opponent
1 Black Win Miyoshi Takeo 2260.07
2 Black Loss Hasegawa Kazuto 2715.16
3 Black Win Okumura Toyohiko 2293.56
4 White Win Kudomi Takahiro 2313.92
5 White Loss Okabe Hiroshi 2617.73
The 45th Meijin-sen Tournament
Date 2007-09-17 Rating 2501.24
Round Color Result Opponent
1 White Loss Isobe Taizan 2406.57
2 Black Loss Miyoshi Takeo 2267.06
3 Black Loss Okabe Hiroshi 2608.31
4 White Win Matsuura Hiroshi 2286.76
5 White Win Kawamura Norihiko 2605.50
6 Black Win Sato Kiyotomi 2378.76
7 Black Win Hiwatashi Kikuma 1862.90
8 White Draw Oosumi Yuuki 2519.30
9 White Win Yamaguchi Yusui 2611.83
World Championship AT
Date 2007-08-15 Rating 2502.33
Round Color Result Opponent
1 White Draw Oll Aivo 2627.45
2 Black Loss Okabe Hiroshi 2601.56
3 Black Loss Yamaguchi Yusui 2614.56
4 White Loss Wu Di 2666.98
5 Black Loss Taimla Tunnet 2728.39
6 Black Win Kozhin Mikhail 2566.48
7 Black Loss Sushkov Vladimir 2721.72
8 White Loss Savrasova Yulia 2656.44
9 White Win Purk Andry 2593.08
10 White Draw Chingin Konstantin 2758.46
11 White Loss Karlsson Stefan 2570.94
World Championship QT
Date 2007-08-08 Rating 2502.78
Round Color Result Opponent
1 Black Win Ishitani Shin-ichi 2360.93
2 White Win Poghosyan Albert 2358.96
3 White Draw Okabe Hiroshi 2600.89
4 Black Win Jonsson Peter 2309.81
5 Black Win Qiu Yunfei 2469.45
6 White Win Lin Huang-Yu 2501.21
7 White Win Andersson Tord 2323.46
45th Meijinsen Qualification Kansai area final round
Date 2007-06-17 Rating 2497.55
Round Color Result Opponent
1 Black Win Hata Masayuki 2198.34
2 Black Loss Sakamoto Hirouji 2269.08
3 Black Win Oosumi Yuuki 2499.38
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2489.94
Round Color Result Opponent
1 Black Loss Ono Takayuki 2320.95
2 Black Win Tanizaki Ryusuke 2117.72
3 White Win Koyama Jun 2349.78
4 White Loss Isobe Taizan 2403.08
5 Black Win Nagao Noriaki 2218.83
6 Black Win Miyagawa Junzo 2243.98
2nd Kansai Championship, Final Match
Date 2007-03-18 Rating 2489.60
Round Color Result Opponent
1 White Loss Hasegawa Kazuto 2705.53
2 Black Loss Hasegawa Kazuto 2705.53
2nd Kansai Championship 3rd round
Date 2007-01-14 Rating 2488.63
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2460.57
2 White Win Sagara Takashi 2466.68
3 Black Draw Takashima Junya 2481.46
38th Kyoto Classified - Special class
Date 2006-11-12 Rating 2483.38
Round Color Result Opponent
1 White Win Sakamoto Hirouji 2265.10
2 White Loss Takashima Junya 2479.37
3 White Win Adachi Yasuhiro 2031.00
4 White Draw Hasegawa Kazuto 2695.53
5 Black Loss Miyoshi Takeo 2257.40
2nd Kansai Championship 2nd round
Date 2006-10-15 Rating 2482.56
Round Color Result Opponent
1 Black Loss Oosumi Yuuki 2439.74
2 Black Win Doi Manabu 2103.84
3 Black Win Ozawa Tetsushi 2001.68
4 Black Win Takagawa Teiji 2263.26
The 44th Meijin-sen Tournament
Date 2006-09-18 Rating 2482.13
Round Color Result Opponent
1 White Draw Nagao Noriaki 2222.82
2 White Loss Okabe Hiroshi 2575.00
3 Black Loss Kawamura Norihiko 2632.11
4 White Loss Yamaguchi Yusui 2604.40
5 Black Win Ishitani Shin-ichi 2345.50
6 Black Win Oosumi Yuuki 2431.30
7 Black Win Fujii Naoki 2114.12
8 White Win Matsuura Hiroshi 2287.05
9 White Win Sato Kiyotomi 2408.90
Asian Championship
Date 2006-08-15 Rating 2481.15
Round Color Result Opponent
1 White Draw Kashihara Akihiko 2269.36
2 Black Win Lee Jo-Sub 2311.15
3 Black Win Oosumi Yuuki 2422.49
4 White Draw Yamaguchi Yusui 2602.73
5 Black Win Park Jeong Ho 2372.25
6 Black Loss Kim Chang-Hoon 2502.61
7 Black Win Ishitani Shin-ichi 2345.73
8 White Loss Okabe Hiroshi 2571.81
Meijin-sen Qual, Kansai-Hokuriku area final round
Date 2006-06-18 Rating 2477.72
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2412.04
2 White Win Takashima Junya 2472.92
3 White Win Hata Masayuki 2193.85
Meijin-sen Qual, Kansai area 1st round
Date 2006-05-14 Rating 2472.89
Round Color Result Opponent
1 White Win Okuda Shingo 1950.34
2 White Win Hata Masayuki 2195.83
3 Black Win Takagawa Teiji 2274.70
4 Black Win Matsui Tsunehiro 2152.49
Team World Championship
Date 2006-05-05 Rating 2471.25
Round Color Result Opponent
1 White Loss Pellikka Marko 2288.67
2 White Loss Andersson Tord 2298.59
3 White Draw Oll Aivo 2609.18
4 Black Win Skuridin Alexey 2361.33
5 Black Win Ge Lingfeng 2382.82
6 White Loss Savrasova Yulia 2641.56
7 White Win Sulane Sander 2072.09
F1 White Loss Gaulitz Joachim 2468.35
F2 White Win Andersson Tord 2298.59
1st All Japan Championship
Date 2006-03-26 Rating 2466.87
Round Color Result Opponent
1 Black Loss Kato Yasuhiro 2029.93
2 White Win Nagao Noriaki 2208.47
3 Black Win Matsuura Hiroshi 2297.40
4 White Win Tanizaki Ryusuke 2095.71
5 White Win Isobe Taizan 2404.95
6 Black Loss Yamaguchi Yusui 2601.15
37th Kyoto Classified - Special class
Date 2005-11-13 Rating 2454.92
Round Color Result Opponent
1 Black Win Matsuo Yoshihiro 1994.61
2 White Win Miyoshi Takeo 2255.12
3 Black Win Miyagawa Junzo 2229.01
4 Black Draw Okabe Hiroshi 2564.41
5 White Loss Hasegawa Kazuto 2671.46
1st Kansai Championship 2nd round
Date 2005-10-16 Rating 2451.46
Round Color Result Opponent
1 Black Win Adachi Yasuhiro 2023.89
2 Black Win Hata Masayuki 2183.09
3 White Draw Takagawa Teiji 2290.80
4 Black Loss Hasegawa Kazuto 2668.71
World Championship BT
Date 2005-08-05 Rating 2443.57
Round Color Result Opponent
1 Black Win Wang Chih-Kung 2195.73
2 Black Loss Lents Johann 2503.68
3 Black Win Ono Takayuki 2273.18
4 White Win Väljataga Paul 1913.12
5 White Loss Maximov Nikolay 2140.16
6 White Win Eriksson Marcus 2238.76
7 White Draw Oblikas Mikk 2228.15
8 Black Loss Ilu Timo 2544.51
9 White Loss Tamura Kazumasa 2337.36
World Championship QT
Date 2005-07-31 Rating 2443.70
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2364.17
2 White Loss Purk Andry 2525.29
3 White Draw Oll Aivo 2526.60
4 Black Win Kozhin Mikhail 2528.80
5 Black Draw Yamaguchi Yusui 2556.94
6 White Loss Sushkov Vladimir 2665.82
7 White Win Ilu Timo 2544.06
43rd Meijinsen Qualification: Kansai area 1st round
Date 2005-05-08 Rating 2437.50
Round Color Result Opponent
1 White Win Matsui Tsunehiro 2150.36
2 Black Win Iwata Akihisa 2141.00
3 White Loss Takashima Junya 2455.93
4 Black Loss Tamura Kazumasa 2328.95
36th Kyoto Classified - Special Class
Date 2004-11-14 Rating 2435.15
Round Color Result Opponent
1 White Win Miyoshi Takeo 2236.81
2 Black Loss Kudomi Takahiro 2309.51
3 White Win Adachi Yasuhiro 2022.72
4 White Win Miyagawa Junzo 2235.49
5 White Draw Hasegawa Kazuto 2630.06
The 42nd Meijin-sen Tournament
Date 2004-09-20 Rating 2433.80
Round Color Result Opponent
1 White Win Okabe Hiroshi 2536.58
2 White Loss Kawamura Norihiko 2676.74
3 Black Win Sakashita Shoichi 2172.92
4 White Loss Ishitani Shin-ichi 2357.31
5 White Loss Hasegawa Kazuto 2627.05
6 White Win Saito Koji 2164.81
7 Black Loss Sakamoto Hirouji 2262.67
8 White Loss Matsuura Hiroshi 2363.88
9 White Win Takagawa Teiji 2304.42
Team World Championship
Date 2004-05-05 Rating 2441.26
Round Color Result Opponent
1 Black Loss Karlsson Stefan 2513.49
2 White Win Degtyar Felix 2039.84
3 Black Loss Meritee Ando 2777.62
4 White Win Khramov Andrey 2208.57
6 Black Win Piddubny Konstantin 2172.13
7 Black Loss Salnikov Pavel 2528.11
8 Black Loss Rusin Vladislav 2581.63
9 Black Draw Sushkov Vladimir 2647.37
35th Kyoto Classified - Special Class
Date 2003-11-09 Rating 2457.10
Round Color Result Opponent
1 White Win Yasumoto Yoshinobu 1985.99
2 Black Win Iwata Akihisa 2180.80
3 Black Loss Hasegawa Kazuto 2602.26
4 Black Win Miyoshi Takeo 2217.11
5 White Win Hata Masayuki 2111.51
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2460.97
Round Color Result Opponent
1 White Win Matsuura Hiroshi 2364.48
2 White Win Miyagawa Junzo 2240.25
3 White Win Takashima Junya 2337.09
4 White Loss Kuga Akio 2349.67
5 White Loss Hasegawa Kazuto 2598.28
6 Black Win Kudomi Takahiro 2319.58
7 White Win Ishitani Shin-ichi 2361.80
8 White Win Isobe Taizan 2399.35
9 White Win Okabe Hiroshi 2518.85
World Championship AT
Date 2003-08-08 Rating 2459.11
Round Color Result Opponent
1 White Draw Yamaguchi Yusui 2552.39
2 White Loss Taimla Tunnet 2672.28
3 White Draw Okabe Hiroshi 2516.63
4 White Loss Chingin Konstantin 2699.75
5 White Loss Meritee Ando 2774.60
6 White Loss Sinyov Igor 2535.75
7 White Draw Karlsson Stefan 2526.65
8 White Win Gaulitz Joachim 2383.26
9 White Win Andersson Tord 2344.16
10 Black Win Carlsson Martin 2387.43
11 Black Loss Sushkov Vladimir 2653.74
World Championship QT
Date 2003-07-31 Rating 2458.58
Round Color Result Opponent
1 Black Win Mitsumori Masao 2267.99
2 White Draw Karasyov Maxim 2460.98
3 White Draw Yamaguchi Yusui 2552.59
4 White Win Chang Yi-Feng 2435.59
5 White Win Ishitani Shin-ichi 2361.68
6 White Win Eibatov Nizami 2307.29
7 White Draw Sushkov Vladimir 2653.23
Japan WC Qualification 2003
Date 2003-03-22 Rating 2432.68
Round Color Result Opponent
1 Black Loss Sakurai Yasuo 2057.19
2 White Win Arita Nobuyoshi 2183.18
3 Black Win Iwata Akihisa 2182.71
4 Black Win Tamura Kazumasa 2269.15
5 White Loss Kubo Izumi 2199.65
34th Kyoto Classified - special class
Date 2002-11-10 Rating 2416.63
Round Color Result Opponent
1 Black Win Okabe Hiroshi 2461.78
2 White Loss Kudomi Takahiro 2358.69
3 Black Win Iwata Akihisa 2177.57
4 White Win Hasegawa Kazuto 2564.29
5 White Loss Miyoshi Takeo 2220.34
40th Meijin-sen Tournament
Date 2002-09-16 Rating 2409.42
Round Color Result Opponent
1 Black Loss Takagawa Teiji 2326.60
2 Black Loss Ishitani Shin-ichi 2367.38
3 Black Win Okabe Hiroshi 2451.37
4 White Draw Isobe Taizan 2420.19
5 White Loss Hasegawa Kazuto 2567.20
6 White Loss Yamaguchi Yusui 2556.49
7 Black Win Nishimura Toshio 2331.42
8 Black Win Kudomi Takahiro 2361.00
9 Black Win Matsuura Hiroshi 2290.82
40th Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2002-06-16 Rating 2397.59
Round Color Result Opponent
1 White Win Miyagawa Sou 2048.25
2 Black Win Sakamoto Hirouji 2233.46
3 White Win Ikeshima Wakio 1630.77
4 Black Draw Miyagawa Junzo 2231.27
5 Black Draw Takagawa Teiji 2327.66
Team World Championship
Date 2002-05-03 Rating 2391.64
Round Color Result Opponent
1 Black Loss Taimla Tunnet 2535.11
2 Black Loss Dvoeglazov Vladimir 2336.26
3 Black Win Drozd Olexandr 2253.31
4 White Loss Carlsson Martin 2313.18
5 Black Loss Gardström Petter 2454.99
6 White Win Lee Yun-Sub 2026.13
7 White Loss Semyonov Vladimir 2385.05
8 White Loss Carlsson Martin 2313.18
9 White Win Carlsson Martin 2313.18
33rd Kyoto Classified - special class
Date 2001-11-11 Rating 2396.74
Round Color Result Opponent
1 White Win Adachi Yasuhiro 1988.05
2 Black Win Doi Manabu 2095.27
3 Black Win Iwata Akihisa 2174.36
4 Black Win Hasegawa Kazuto 2553.99
5 Black Win Miyagawa Junzo 2224.04
The 39th Meijin-sen Tournament
Date 2001-09-24 Rating 2393.03
Round Color Result Opponent
1 White Loss Kudomi Takahiro 2359.64
2 Black Win Hayakawa Yoshimi 2395.94
3 White Win Takagawa Teiji 2310.72
4 White Win Maruyama Yasushi 2177.03
5 White Draw Yamaguchi Yusui 2523.60
6 White Loss Nishimura Toshio 2343.20
7 White Win Matsuura Hiroshi 2240.41
8 White Loss Nara Hideki 2512.81
9 White Loss Hasegawa Kazuto 2551.28
World Championship BT
Date 2001-08-12 Rating 2390.21
Round Color Result Opponent
1 White Win Tatsutomi Hiroyuki 2181.97
2 Black Win Chernov Sergey 2264.27
3 Black Win Ono Takayuki 2177.46
4 White Loss Hasegawa Kazuto 2549.14
5 White Win Khramov Andrey 2189.15
6 White Win Sakamoto Hirouji 2199.15
7 White Loss Kusajima Masato 2358.59
8 White Win Kudomi Takahiro 2357.77
32-nd Kyoto Classified - Special class
Date 2000-11-12 Rating 2354.12
Round Color Result Opponent
1 White Loss Nara Hideki 2544.44
2 Black Win Sakamoto Hirouji 2174.06
3 Black Loss Hasegawa Kazuto 2537.11
4 Black Win Koiso Shigemasa 2138.24
5 White Draw Miyoshi Takeo 2175.08
38th Meijinsen Tournament
Date 2000-10-01 Rating 2349.38
Round Color Result Opponent
1 White Win Fujinami Hisao 2227.63
2 Black Loss Kudomi Takahiro 2337.63
3 White Loss Hasegawa Kazuto 2540.87
4 White Loss Arai Yutaka 2155.36
5 White Win Nishizono Norio 2339.44
6 Black Draw Hayakawa Yoshimi 2404.58
7 White Loss Maruyama Yasushi 2208.46
8 Black Loss Nara Hideki 2545.16
9 Black Win Kusajima Masato 2338.29
Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2000-06-19 Rating 2345.96
Round Color Result Opponent
1 White Win Sakamoto Hirouji 2187.76
2 White Loss Hayakawa Yoshimi 2423.13
3 White Win Takehara Kenji 1825.79
38th Meijinsen Qualification: Kansai area 1st Round
Date 2000-05-21 Rating 2345.12
Round Color Result Opponent
1 White Win Tatsutomi Hiroyuki 2168.24
2 White Loss Hayakawa Yoshimi 2426.95
3 Black Win Matsui Tsunehiro 2201.56
4 White Win Iwata Akihisa 2184.95