Iio Yoshihiro, Japan - Renju Rating

Iio Yoshihiro (飯尾義弘)

Place: Kobe, Japan

Rating: 2386.51, Std: 152.66, Rank: 201

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

Top rating: 2557.86 (2016-05-15)

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

Gy1: 0, Gy2: 0, Gy5: 55

59th Meijinsen Tournament
Date 2022-01-10 Rating 2386.51
Round Color Result Opponent
1 Black Loss Nagasoe Hiroki 2641.17
2 Black Win Hasegawa Kazuto 2556.74
3 White Loss Ono Takayuki 2404.39
4 Black Win Hayashi Shoichi 2140.14
5 Black Loss Kamiya Shunsuke 2841.02
6 White Loss Okabe Hiroshi 2685.98
7 White Win Maruyama Yasushi 2257.47
8 White Loss Nakayama Tomoharu 2807.07
9 White Win Maruta Hiroki 2229.90
53 Kyoto Classified Tournament
Date 2021-11-13 Rating 2382.84
Round Color Result Opponent
S1 White Win Fujita Maiko 2354.90
S2 Black Loss Kawamura Norihiko 2675.68
S3 White Draw Hata Masayuki 2124.00
S4 Black Loss Ishitani Shin-ichi 2319.15
S5 White Loss Hasegawa Kazuto 2555.58
17 Kansai Championship 1st round
Date 2021-10-17 Rating 2383.74
Round Color Result Opponent
1 White Win Toyo Koryu 2085.42
2 White Win Tokonami Shota 2025.94
3 Black Win Sakamoto Suzan 2237.03
4 Black Loss Tanaka Shotaro 2271.16
5 White Win Kito Shinichi 2167.28
59 Meijinsen Qualification Kansai area 2nd round
Date 2021-07-18 Rating 2385.47
Round Color Result Opponent
1 White Loss Hasegawa Kazuto 2568.74
2 White Draw Makino Mitsunori 2553.42
3 Black Win Hayashi Shoichi 2157.54
59 Meijinsen Qualification Kansai area 1st round
Date 2021-06-20 Rating 2385.44
Round Color Result Opponent
1 Black Win Tanaka Toshiki 2414.53
2 White Win Hayashi Shoichi 2158.97
3 White Draw Hasegawa Kazuto 2569.31
4 White Win Hata Masayuki 2129.64
16 Kansai Championship 2nd round
Date 2021-02-21 Rating 2369.68
Round Color Result Opponent
1 Black Loss Sakamoto Suzan 2259.43
2 Black Loss Makino Mitsunori 2550.08
3 Black Loss Kawamura Norihiko 2672.38
16 Kansai Championship 1st round
Date 2020-10-18 Rating 2367.88
Round Color Result Opponent
1 Black Loss Kawamura Norihiko 2676.91
2 Black Win Adachi Tomoya 1592.31
3 White Win Hayashi Shoichi 2159.47
4 Black Win Sakamoto Suzan 2265.54
5 Black Loss Tanaka Shotaro 2239.91
58 Meijinsen Qualification Kansai area 1st round
Date 2020-06-21 Rating 2369.10
Round Color Result Opponent
1 Black Win Hata Masayuki 2128.06
2 Black Loss Sakamoto Suzan 2263.38
3 White Loss Makino Mitsunori 2465.52
4 White Win Kito Shinichi 2163.19
5 White Loss Tachi Masaya 2484.30
15 Kansai Championship 2nd round
Date 2020-02-16 Rating 2383.26
Round Color Result Opponent
1 White Win Kito Shinichi 2165.83
2 White Win Hayashi Shoichi 2160.62
3 Black Loss Makino Mitsunori 2399.76
ex Black Loss Makino Mitsunori 2399.76
15th All Japan Championship
Date 2020-01-19 Rating 2388.00
Round Color Result Opponent
1 White Win Hata Masayuki 2146.04
2 Black Loss Nakayama Tomoharu 2834.70
3 White Loss Makino Mitsunori 2384.02
4 Black Win Fujita Maiko 2342.93
5 White Win Ishitani Shin-ichi 2362.28
6 White Loss Okabe Hiroshi 2721.80
51 Kyoto Classified Tournament
Date 2019-11-04 Rating 2397.55
Round Color Result Opponent
S1 White Win Ozawa Tetsushi 1955.87
S2 Black Loss Tanaka Toshiki 2477.38
S3 Black Win Nishida Toshio 2055.63
S4 White Loss Hasegawa Kazuto 2602.91
S5 White Loss Kawamura Norihiko 2675.76
14 Kansai Championship final match R3
Date 2019-08-19 Rating 2412.30
Round Color Result Opponent
3 Black Loss Hasegawa Kazuto 2600.80
57 Meijinsen Qualification Kansai area 1st round
Date 2019-05-19 Rating 2432.51
Round Color Result Opponent
1 White Win Tanaka Toshiki 2476.76
2 White Loss Hasegawa Kazuto 2589.28
3 White Loss Tachi Masaya 2515.64
4 Black Win Matsui Tsunehiro 2157.74
14 Kansai Championship final match
Date 2019-05-06 Rating 2435.28
Round Color Result Opponent
1 White Loss Hasegawa Kazuto 2587.67
2 Black Win Hasegawa Kazuto 2587.67
14th All Japan Championship
Date 2019-03-31 Rating 2441.28
Round Color Result Opponent
1 White Win Maruta Hiroki 2178.63
2 White Loss Nakayama Tomoharu 2808.30
3 White Win Chigira Makoto 2084.56
4 Black Loss Okabe Hiroshi 2690.41
5 Black Win Ishitani Shin-ichi 2386.52
6 Black Loss Nakamura Shigeru 2985.51
50 Kyoto Classified Tournament
Date 2018-11-11 Rating 2458.83
Round Color Result Opponent
1 White Loss Ishitani Shin-ichi 2412.77
2 Black Win Ozawa Tetsushi 1986.01
3 Black Loss Sakamoto Suzan 2278.84
4 White Win Fujita Maiko 2241.49
5 Black Win Hayashi Shoichi 2131.89
56 Meijinsen Qualification Kansai area 2nd round
Date 2018-06-17 Rating 2491.75
Round Color Result Opponent
1 Black Loss Tachi Masaya 2541.32
2 Black Loss Kawamura Norihiko 2663.26
3 Black Loss Hasegawa Kazuto 2575.47
Team World Championship 2018
Date 2018-05-05 Rating 2506.55
Round Color Result Opponent
1 White Win Piik Sander 2298.46
3 White Win Jonsson Peter 2313.02
4 White Loss Kozhin Mikhail 2678.68
5 White Loss Epifanov Dmitry 2665.32
7 Black Win Semenov Oleg 2424.07
9 White Loss Cao Dong 2792.79
13 Kansai Championship final match
Date 2018-03-18 Rating 2522.30
Round Color Result Opponent
1 White Loss Oosumi Yuuki 2662.39
2 Black Win Oosumi Yuuki 2662.39
3 White Win Oosumi Yuuki 2662.39
13 Kansai Championship 2nd round
Date 2018-02-18 Rating 2528.15
Round Color Result Opponent
1 White Win Hasegawa Kazuto 2576.17
2 White Win Tachi Masaya 2548.50
3 Black Win Matsui Tsunehiro 2161.61
13th All Japan Championship
Date 2018-01-28 Rating 2529.72
Round Color Result Opponent
1 Black Draw Ishitani Shin-ichi 2409.81
2 White Win Miyamoto Syunju 2263.53
3 White Loss Okabe Hiroshi 2708.36
4 White Win Sato Kiyotomi 2426.70
5 White Loss Kamiya Shunsuke 2803.87
6 White Loss Nakayama Tomoharu 2843.86
49 Kyoto Classified Tournament
Date 2017-11-12 Rating 2537.26
Round Color Result Opponent
S1 White Win Nishida Toshio 2057.62
S2 White Win Hasegawa Kazuto 2587.91
S3 Black Loss Kawamura Norihiko 2656.00
S4 White Win Hata Masayuki 2186.23
S5 White Win Ishitani Shin-ichi 2387.37
13 Kansai Championship 1st round
Date 2017-10-22 Rating 2537.66
Round Color Result Opponent
1 Black Win Matsui Tsunehiro 2172.71
3 White Draw Tachi Masaya 2541.50
4 Black Loss Sakamoto Suzan 2269.84
5 White Loss Kawamura Norihiko 2655.08
55 Meijinsen Tournament
Date 2017-09-18 Rating 2542.26
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2803.52
2 White Loss Nakayama Tomoharu 2837.04
3 Black Loss Okabe Hiroshi 2715.05
4 White Win Tamada Yoichi 2503.75
5 Black Win Maruyama Yasushi 2274.81
6 Black Win Hasegawa Kazuto 2592.05
7 White Win Matsuura Hiroshi 2335.83
8 White Win Kawano Takahisa 2429.41
9 Black Loss Sato Kiyotomi 2444.61
55 Meijinsen Qualification Kansai area 2nd round
Date 2017-06-18 Rating 2549.33
Round Color Result Opponent
1 White Win Tachi Masaya 2531.54
2 White Win Kawamura Norihiko 2637.86
3 White Win Hasegawa Kazuto 2604.54
12th All Japan Championship
Date 2017-03-26 Rating 2540.13
Round Color Result Opponent
1 Black Draw Maruta Koji 2145.88
2 White Loss Ishitani Shin-ichi 2387.40
3 White Win Kusajima Masato 2283.15
4 White Loss Tamada Yoichi 2543.44
5 Black Draw Miyamoto Syunju 2249.37
6 White Win Ono Takayuki 2360.76
12 Kansai Championship 2nd round
Date 2017-02-19 Rating 2542.14
Round Color Result Opponent
1 White Win Sakamoto Suzan 2265.09
2 White Draw Hasegawa Kazuto 2622.25
ex White Loss Hasegawa Kazuto 2622.25
48 Kyoto Classified Tournament
Date 2016-11-13 Rating 2548.91
Round Color Result Opponent
SS1 Black Loss Kawamura Norihiko 2624.33
SS2 White Win Hata Masayuki 2193.56
SS4 Black Loss Hasegawa Kazuto 2633.68
SS5 Black Draw Okabe Hiroshi 2706.52
54 Meijinsen Tournament
Date 2016-09-19 Rating 2555.43
Round Color Result Opponent
1 Black Draw Nakayama Tomoharu 2771.71
2 White Win Maruyama Yasushi 2284.80
3 White Loss Okabe Hiroshi 2712.20
4 Black Draw Koyama Jun 2612.91
5 Black Win Matsuura Hiroshi 2357.39
6 White Draw Kamiya Shunsuke 2754.10
7 Black Win Kuga Akio 2359.80
8 White Loss Hasegawa Kazuto 2633.83
9 Black Win Tanaka Toshiki 2437.78
54 Meijinsen Qualification Kansai area 2nd round
Date 2016-06-19 Rating 2556.76
Round Color Result Opponent
1 Black Win Matsui Tsunehiro 2201.45
2 White Loss Tanaka Toshiki 2446.79
3 White Win Tachi Masaya 2476.71
54 Meijinsen Qualification Kansai area 1st round
Date 2016-05-15 Rating 2557.86
Round Color Result Opponent
1 Black Win Sakamoto Suzan 2275.26
2 White Win Tachi Masaya 2471.78
3 Black Win Matsui Tsunehiro 2205.46
4 White Win Kawamura Norihiko 2608.86
Team World Championship 2016
Date 2016-05-04 Rating 2556.70
Round Color Result Opponent
2 Black Loss Pajuste Renee 2625.47
3 Black Draw Eriksson Bjorn 2287.58
4 Black Loss Sushkov Vladimir 2838.36
5 White Win Makarov Pavel 2603.19
6 White Win Chen Xin 2415.67
7 Black Win Feng Sheng-Yu 2072.13
9 White Win Lõhmus Kristofer 2259.32
11 Kansai Championship Final match
Date 2016-04-03 Rating 2552.77
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2742.62
2 Black Loss Oosumi Yuuki 2742.62
3 White Loss Oosumi Yuuki 2742.62
11 Kansai Championship 2nd round
Date 2016-03-20 Rating 2550.61
Round Color Result Opponent
1 Black Win Kashihara Akihiko 2335.55
2 Black Win Tachi Masaya 2468.37
3 White Win Sakamoto Suzan 2272.38
11th All Japan Championship
Date 2016-01-11 Rating 2534.01
Round Color Result Opponent
1 White Win Suzuki Rin 1918.86
2 White Loss Nakamura Shigeru 2924.55
3 Black Win Mano Yoshihisa 2348.38
4 White Loss Nakamura Souta 2297.30
5 White Loss Okabe Hiroshi 2709.73
6 White Loss Ishitani Shin-ichi 2391.16
53 Meijinsen Tournament
Date 2015-09-22 Rating 2526.65
Round Color Result Opponent
1 Black Loss Oosumi Yuuki 2768.33
2 White Win Kawamura Norihiko 2618.89
3 Black Loss Nakayama Tomoharu 2764.27
4 Black Loss Matsuura Hiroshi 2395.11
5 White Draw Tamada Yoichi 2577.74
6 White Draw Ishitani Shin-ichi 2387.30
7 White Draw Koyama Jun 2630.36
8 Black Win Okabe Hiroshi 2712.67
9 Black Loss Hasegawa Kazuto 2667.65
53 Meijinsen Qualification Kansai area 2nd round
Date 2015-06-21 Rating 2520.38
Round Color Result Opponent
1 Black Loss Kawamura Norihiko 2634.67
2 White Loss Hasegawa Kazuto 2662.03
3 White Win Koiso Shigemasa 2177.22
53 Meijinsen Qualification Kansai area 1st round
Date 2015-05-17 Rating 2520.06
Round Color Result Opponent
1 White Draw Tachi Masaya 2475.14
2 White Win Sakamoto Suzan 2273.69
3 White Win Miyagawa Junzo 2239.45
4 Black Draw Kawamura Norihiko 2636.93
10 Kansai Championship final match
Date 2015-03-15 Rating 2516.28
Round Color Result Opponent
1 White Loss Oosumi Yuuki 2803.48
2 Black Loss Oosumi Yuuki 2803.48
10 Kansai Championship 2nd round
Date 2015-02-15 Rating 2515.60
Round Color Result Opponent
1 Black Draw Tachi Masaya 2469.40
2 Black Win Sakamoto Suzan 2281.73
3 Black Win Miyagawa Junzo 2234.99
46 Kyoto Classified Tournament
Date 2014-11-09 Rating 2509.88
Round Color Result Opponent
S1 Black Win Matsuo Toshiko 1883.95
S2 Black Win Sakamoto Suzan 2290.68
S3 White Draw Okabe Hiroshi 2740.60
S4 White Loss Oosumi Yuuki 2818.27
S5 White Loss Kawamura Norihiko 2648.60
52 Meijinsen Tournament
Date 2014-09-15 Rating 2506.17
Round Color Result Opponent
1 Black Loss Hasegawa Kazuto 2650.62
2 Black Loss Matsuura Hiroshi 2348.61
3 White Loss Oosumi Yuuki 2822.59
4 Black Loss Nakayama Tomoharu 2715.76
5 White Loss Sato Kiyotomi 2479.93
6 Black Draw Okabe Hiroshi 2744.24
7 Black Loss Tamada Yoichi 2560.21
8 Black Draw Kashihara Akihiko 2339.22
9 Black Loss Fukui Nobuhiro 2609.73
52 Meijinsen Qualification Kansai area 2nd round
Date 2014-06-15 Rating 2526.81
Round Color Result Opponent
1 White Win Miyagawa Junzo 2205.84
2 Black Win Sakamoto Suzan 2298.57
3 White Loss Kashihara Akihiko 2342.07
52 Meijinsen Qualification Kansai area 1st round
Date 2014-05-18 Rating 2534.32
Round Color Result Opponent
1 White Win Koiso Shigemasa 2166.42
2 Black Win Miyagawa Junzo 2205.22
3 White Win Kashihara Akihiko 2340.04
4 Black Draw Sakamoto Suzan 2299.34
Team World Championship 2014
Date 2014-05-03 Rating 2538.03
Round Color Result Opponent
1 Black Win Ono Takayuki 2374.10
3 Black Draw Hõbemägi Martin 2624.26
4 Black Win Epifanov Dmitry 2677.50
6 Black Win Ono Takayuki 2374.10
8 Black Loss Hõbemägi Martin 2624.26
9 White Loss Chingin Konstantin 2874.95
9th Kansai Championship final match
Date 2014-04-06 Rating 2542.09
Round Color Result Opponent
1 White Draw Oosumi Yuuki 2821.16
2 White Win Oosumi Yuuki 2821.16
3 Black Loss Oosumi Yuuki 2821.16
4 Black Loss Oosumi Yuuki 2821.16
9th Kansai Championship 2nd round
Date 2014-02-16 Rating 2544.95
Round Color Result Opponent
1 White Win Sakamoto Suzan 2296.82
3 Black Win Hasegawa Kazuto 2627.09
9th All Japan Championship
Date 2014-01-26 Rating 2544.29
Round Color Result Opponent
1 White Win Miyagawa Junzo 2196.22
2 White Draw Oosumi Yuuki 2827.53
3 Black Win Sato Kiyotomi 2459.11
4 White Win Nakayama Tomoharu 2668.41
5 Black Loss Okabe Hiroshi 2756.21
6 Black Win Ono Takayuki 2371.07
45 Kyoto Classified Tournament
Date 2013-11-10 Rating 2528.61
Round Color Result Opponent
S1 Black Win Kawano Takahisa 2369.65
S2 White Loss Hasegawa Kazuto 2621.45
S3 White Win Sandstrom Richard 2377.65
S4 Black Loss Fukui Nobuhiro 2594.42
S5 White Win Ishitani Shin-ichi 2421.54
9th Kansai Championship 1st round
Date 2013-10-27 Rating 2525.52
Round Color Result Opponent
1 Black Win Sakamoto Suzan 2297.73
2 Black Win Watanabe Nobuo 2024.56
3 White Win Kubo Izumi 2099.17
4 White Win Kon Akira 1976.59
51 Meijinsen Qualification Kansai area 2nd round
Date 2013-06-16 Rating 2490.44
Round Color Result Opponent
1 White Draw Hata Masayuki 2265.24
2 White Loss Hasegawa Kazuto 2610.41
3 Black Win Matsui Tsunehiro 2181.05
ex Black Loss Hata Masayuki 2265.24
51 Meijinsen Qualification Kansai area 1st round
Date 2013-05-19 Rating 2486.98
Round Color Result Opponent
1 Black Loss Hata Masayuki 2264.81
2 Black Win Sakamoto Suzan 2293.01
3 Black Win Kubo Izumi 2087.16
4 Black Win Matsui Tsunehiro 2181.27
5 Black Win Koiso Shigemasa 2154.14
8th All Japan Championship
Date 2013-03-24 Rating 2481.10
Round Color Result Opponent
1 Black Win Miyagawa Junzo 2214.90
2 White Win Ishitani Shin-ichi 2371.96
3 Black Loss Nakamura Shigeru 2863.84
4 White Loss Okabe Hiroshi 2728.41
5 Black Draw Kamiya Shunsuke 2524.44
6 Black Draw Sato Kiyotomi 2432.79
8th Kansai Championship 2nd round
Date 2013-02-17 Rating 2476.56
Round Color Result Opponent
1 White Win Takahashi Roi 2176.70
2 White Win Miyagawa Junzo 2214.24
3 White Loss Hasegawa Kazuto 2597.46
ex White Loss Hasegawa Kazuto 2597.46
44 Kyoto Classified Tournament
Date 2012-11-11 Rating 2467.46
Round Color Result Opponent
S1 White Loss Kudomi Takahiro 2416.81
S2 White Win Tamura Kazumasa 2524.18
S3 White Draw Ono Takayuki 2421.19
S4 White Loss Ishitani Shin-ichi 2359.03
8th Kansai Championship 1st round
Date 2012-10-08 Rating 2466.98
Round Color Result Opponent
1 White Win Takahashi Roi 2169.06
2 White Win Miyagawa Junzo 2211.75
3 White Loss Hasegawa Kazuto 2581.37
4 White Win Koiso Shigemasa 2165.54
5 White Win Kon Akira 1987.46
50th Meijinsen Tournament
Date 2012-09-17 Rating 2466.20
Round Color Result Opponent
1 White Win Ono Takayuki 2426.38
2 White Loss Nakayama Tomoharu 2621.82
3 Black Loss Yamaguchi Yusui 2650.02
4 Black Loss Nagasoe Hiroki 2545.55
5 White Loss Fukui Nobuhiro 2538.96
6 Black Loss Nakamura Shigeru 2877.54
7 White Loss Okabe Hiroshi 2706.92
8 Black Win Hasegawa Kazuto 2579.34
9 White Loss Matsuura Hiroshi 2325.46
50 Meijinsen Qualification Kansai area 2nd round
Date 2012-06-17 Rating 2475.14
Round Color Result Opponent
1 White Win Sakamoto Suzan 2332.98
2 White Loss Kise Katsumi 2543.20
3 Black Win Hasegawa Kazuto 2571.41
7th Kansai Championship 2nd round
Date 2012-02-19 Rating 2479.59
Round Color Result Opponent
1 Black Win Sakamoto Suzan 2339.10
2 White Win Hata Masayuki 2231.78
3 Black Loss Kise Katsumi 2548.27
7th All Japan Championship
Date 2012-01-29 Rating 2480.15
Round Color Result Opponent
1 Black Win Tada Ayako 2268.57
2 Black Win Mitsumori Masao 2366.71
3 White Win Sakamoto Suzan 2342.70
4 White Draw Nakayama Tomoharu 2599.60
5 White Loss Nakamura Shigeru 2873.89
6 White Loss Kudomi Takahiro 2422.11
43 Kyoto Classified Tournament
Date 2011-11-13 Rating 2479.00
Round Color Result Opponent
S1 White Loss Sakamoto Suzan 2353.10
S2 White Loss Okumura Toyohiko 2320.19
S3 White Loss Mano Yoshihisa 2229.58
S4 Black Win Doi Manabu 2106.48
S5 White Win Kubo Izumi 2100.93
49th Meijinsen Tournament
Date 2011-09-19 Rating 2490.34
Round Color Result Opponent
1 Black Win Sakashita Shoichi 2142.73
2 White Win Kashihara Akihiko 2255.00
3 Black Loss Matsuura Hiroshi 2377.94
4 Black Draw Nakayama Tomoharu 2576.38
5 Black Draw Hasegawa Kazuto 2554.60
6 Black Win Kubo Izumi 2109.13
7 Black Loss Okabe Hiroshi 2703.39
8 White Loss Yamaguchi Yusui 2650.51
9 White Win Miyoshi Takeo 2157.24
World Championship 2011, BT
Date 2011-08-06 Rating 2501.37
Round Color Result Opponent
1 White Loss Nikonov Konstantin 2634.19
2 White Win Rachitskaya Viktoria 2305.92
3 Black Win Staub Rain 1913.65
4 White Win Ono Takayuki 2394.75
5 White Loss Pajuste Renee 2469.47
6 Black Win Hõbemägi Martin 2414.03
7 Black Win Karasyov Maxim 2638.16
8 White Win Nakayama Tomoharu 2568.93
9 White Draw Potapov Alexey 2629.61
49 Meijinsen Qualification Kansai area 2nd round
Date 2011-06-19 Rating 2504.86
Round Color Result Opponent
1 White Win Kubo Izumi 2117.72
2 Black Draw Kashihara Akihiko 2251.10
3 White Win Kise Katsumi 2539.21
6th All Japan Championship
Date 2011-03-27 Rating 2507.85
Round Color Result Opponent
1 White Win Miyoshi Takeo 2138.03
2 White Win Kon Akira 2005.98
3 White Draw Hasegawa Kazuto 2593.10
4 White Loss Okabe Hiroshi 2696.38
5 White Loss Tamada Yoichi 2511.77
6 White Win Kawano Takahisa 2347.68
6th Kansai Championship final match
Date 2011-03-20 Rating 2508.24
Round Color Result Opponent
1 White Loss Oosumi Yuuki 2735.87
2 White Loss Oosumi Yuuki 2735.87
48th Meijinsen Tournament
Date 2010-09-20 Rating 2526.89
Round Color Result Opponent
1 White Win Sakamoto Suzan 2348.09
2 White Win Tamada Yoichi 2495.04
3 Black Win Matsuura Hiroshi 2388.80
4 White Draw Okabe Hiroshi 2693.00
5 White Draw Kawano Takahisa 2317.88
6 White Win Ishitani Shin-ichi 2388.17
7 Black Loss Yamaguchi Yusui 2588.43
8 White Win Koiso Shigemasa 2170.41
9 White Loss Oosumi Yuuki 2700.00
Team World Championship 2010
Date 2010-05-05 Rating 2530.02
Round Color Result Opponent
3 White Win Artemyev Sergey 2619.43
4 Black Loss Purk Andry 2663.45
5 Black Win Väljataga Paul 2417.04
7 White Win Eibatov Nizami 2312.40
10 White Loss Sumarokov Evgeny 2555.78
5th Kansai Championship final match
Date 2010-03-28 Rating 2529.14
Round Color Result Opponent
1 White Win Oosumi Yuuki 2647.02
2 White Win Oosumi Yuuki 2647.02
5th All Japan Championship
Date 2010-03-21 Rating 2527.95
Round Color Result Opponent
1 White Win Tadokoro Hosai 1895.23
2 Black Loss Nakamura Shigeru 2850.26
3 Black Win Maruta Hiroki 2081.24
4 White Win Kim Chang-Su 2053.30
5 Black Loss Yamaguchi Yusui 2581.56
6 White Loss Shimoyama Takuma 2262.46
5th Kansai Championship 3rd round
Date 2010-02-14 Rating 2526.73
Round Color Result Opponent
1 Black Win Hata Masayuki 2147.29
2 White Win Hasegawa Kazuto 2692.07
3 White Win Sagara Takashi 2480.74
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2524.29
Round Color Result Opponent
S1 Black Win Suzuki Junichiro 1912.43
S2 White Loss Nakamura Shigeru 2854.17
S3 Black Loss Kataoka Mitsuaki 2258.80
S4 White Draw Nagao Noriaki 2357.09
S5 Black Win Ono Takayuki 2381.86
5th Kansai Championship 2nd round
Date 2009-11-15 Rating 2518.07
Round Color Result Opponent
1 Black Loss Koiso Shigemasa 2179.36
2 Black Win Sakamoto Suzan 2320.33
3 Black Win Kon Akira 1967.47
4 Black Win Miyagawa Junzo 2197.63
40th Kyoto Classified - Special class
Date 2009-11-09 Rating 2517.89
Round Color Result Opponent
1 Black Win Miyoshi Takeo 2153.23
2 White Draw Okabe Hiroshi 2669.79
3 Black Win Ishitani Shin-ichi 2367.03
4 Black Loss Hasegawa Kazuto 2708.20
5 Black Win Kubo Izumi 2112.15
41 Kyoto Classified Tournament
Date 2009-11-08 Rating 2517.81
Round Color Result Opponent
S1 Black Loss Hasegawa Kazuto 2708.28
S2 White Win Sakamoto Suzan 2319.76
S3 White Win Kudomi Takahiro 2362.39
S4 White Win Okabe Hiroshi 2669.65
S5 Black Loss Okumura Toyohiko 2327.99
47th Meijinsen tournament
Date 2009-09-22 Rating 2512.81
Round Color Result Opponent
1 White Win Tamura Kazumasa 2504.61
2 White Win Yamaguchi Yusui 2572.30
3 Black Loss Kawamura Norihiko 2630.44
4 Black Win Kataoka Mitsuaki 2254.76
5 White Loss Oosumi Yuuki 2623.63
6 White Draw Ishitani Shin-ichi 2366.58
7 White Win Matsuura Hiroshi 2363.21
8 White Loss Okabe Hiroshi 2669.37
9 White Win Sakamoto Suzan 2309.58
The 6th Shanghai Renju Meijin Invitation Tournament
Date 2009-05-03 Rating 2487.89
Round Color Result Opponent
1 White Draw Oosumi Yuuki 2612.55
2 Black Loss Gu Wei 2513.42
3 Black Loss Li Yi 2636.97
4 Black Loss Yu Manjiang 2502.35
5 Black Win Xu Bin 2193.82
6 White Win Mitsumori Masao 2342.45
7 White Draw Isobe Taizan 2403.57
4th All Japan Championship
Date 2009-03-21 Rating 2483.83
Round Color Result Opponent
1 Black Win Iwano Fumio 2172.28
2 White Loss Tamura Kazumasa 2509.85
3 Black Loss Tamada Yoichi 2294.79
4 Black Win Tanizaki Ryusuke 2123.44
5 White Win Sakamoto Suzan 2291.11
6 White Draw Ishitani Shin-ichi 2388.04
4 Kansai Championship 3rd round
Date 2009-02-15 Rating 2483.81
Round Color Result Opponent
1 White Loss Tamura Kazumasa 2502.36
2 Black Loss Oosumi Yuuki 2600.34
3 Black Loss Takashima Junya 2532.90
4th Kansai Championship, 2nd round
Date 2008-11-16 Rating 2496.29
Round Color Result Opponent
1 Black Win Sakamoto Suzan 2278.57
2 Black Win Miyagawa Junzo 2233.46
3 White Draw Tamura Kazumasa 2483.12
4 White Loss Takashima Junya 2533.08
46th Meijinsen Tournament
Date 2008-09-15 Rating 2505.23
Round Color Result Opponent
1 White Win Matsuura Hiroshi 2324.89
2 Black Win Oosumi Yuuki 2557.99
3 Black Loss Okabe Hiroshi 2688.46
4 Black Win Yamaguchi Yusui 2579.44
5 Black Win Kataoka Mitsuaki 2247.66
6 Black Win Hata Masayuki 2257.29
7 White Loss Sato Kiyotomi 2440.60
8 Black Draw Ishitani Shin-ichi 2393.53
9 Black Loss Kawamura Norihiko 2659.68
46th Meijinsen Qualification Kansai area 2nd round
Date 2008-06-15 Rating 2513.15
Round Color Result Opponent
1 Black Draw Miyagawa Junzo 2252.35
2 Black Win Sakamoto Suzan 2283.94
3 White Loss Hata Masayuki 2267.17
Team World Championship 2008
Date 2008-05-02 Rating 2521.39
Round Color Result Opponent
1 Black Draw Laube Pavel 2459.14
2 White Win Artemyev Sergey 2647.80
3 Black Win Cao Dong 2645.00
4 White Loss Karlsson Stefan 2603.46
5 White Loss Sushkov Vladimir 2754.43
7 Black Win Taimla Tunnet 2786.27
8 White Draw Saarenpää Samuli 2408.58
9 Black Win Piddubny Konstantin 2268.68
3rd All Japan Championship
Date 2008-03-23 Rating 2522.14
Round Color Result Opponent
1 Black Win Fujikawa Masaki 2104.13
2 Black Win Miyoshi Takeo 2274.22
3 White Win Nakamura Shigeru 2853.43
4 Black Loss Isobe Taizan 2433.62
5 White Loss Yamaguchi Yusui 2610.37
6 Black Loss Ishitani Shin-ichi 2402.70
3rd Kansai Championship 3rd round
Date 2008-01-13 Rating 2527.47
Round Color Result Opponent
1 White Win Takagawa Teiji 2238.74
2 White Win Tamura Kazumasa 2411.48
3 White Loss Oosumi Yuuki 2559.67
39th Kyoto Classified - Special Class
Date 2007-11-11 Rating 2531.97
Round Color Result Opponent
1 Black Win Miyoshi Takeo 2291.97
2 Black Loss Hasegawa Kazuto 2765.06
3 Black Win Okumura Toyohiko 2321.37
4 White Win Kudomi Takahiro 2336.95
5 White Loss Okabe Hiroshi 2650.30
The 45th Meijin-sen Tournament
Date 2007-09-17 Rating 2535.08
Round Color Result Opponent
1 White Loss Isobe Taizan 2433.53
2 Black Loss Miyoshi Takeo 2300.47
3 Black Loss Okabe Hiroshi 2638.38
4 White Win Matsuura Hiroshi 2299.11
5 White Win Kawamura Norihiko 2629.04
6 Black Win Sato Kiyotomi 2396.55
7 Black Win Hiwatashi Kikuma 1884.10
8 White Draw Oosumi Yuuki 2553.81
9 White Win Yamaguchi Yusui 2650.26
World Championship 2007, AT
Date 2007-08-15 Rating 2536.71
Round Color Result Opponent
1 White Draw Oll Aivo 2653.09
2 Black Loss Okabe Hiroshi 2629.63
3 Black Loss Yamaguchi Yusui 2653.51
4 White Loss Wu Di 2701.84
5 Black Loss Taimla Tunnet 2758.88
6 Black Win Kozhin Mikhail 2594.79
7 Black Loss Sushkov Vladimir 2757.04
8 White Loss Savrasova Yulia 2694.10
9 White Win Purk Andry 2632.34
10 White Draw Chingin Konstantin 2796.79
11 White Loss Karlsson Stefan 2610.11
World Championship 2007, QT
Date 2007-08-08 Rating 2537.37
Round Color Result Opponent
1 Black Win Ishitani Shin-ichi 2384.74
2 White Win Poghosyan Albert 2388.35
3 White Draw Okabe Hiroshi 2628.84
4 Black Win Jonsson Peter 2334.21
5 Black Win Qiu Yunfei 2493.74
6 White Win Lin Huang-Yu 2520.53
7 White Win Andersson Tord 2349.18
45th Meijinsen Qualification Kansai area final round
Date 2007-06-17 Rating 2530.05
Round Color Result Opponent
1 Black Win Hata Masayuki 2226.18
2 Black Loss Sakamoto Suzan 2295.68
3 Black Win Oosumi Yuuki 2531.20
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2519.56
Round Color Result Opponent
1 Black Loss Ono Takayuki 2340.38
2 Black Win Tanizaki Ryusuke 2137.91
3 White Win Koyama Jun 2374.03
4 White Loss Isobe Taizan 2425.68
5 Black Win Nagao Noriaki 2232.74
6 Black Win Miyagawa Junzo 2273.35
2nd Kansai Championship, Final Match
Date 2007-03-18 Rating 2519.16
Round Color Result Opponent
1 White Loss Hasegawa Kazuto 2750.66
2 Black Loss Hasegawa Kazuto 2750.66
2nd Kansai Championship 3rd round
Date 2007-01-14 Rating 2518.50
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2486.34
2 White Win Sagara Takashi 2497.43
3 Black Draw Takashima Junya 2509.83
38th Kyoto Classified - Special class
Date 2006-11-12 Rating 2511.46
Round Color Result Opponent
1 White Win Sakamoto Suzan 2290.01
2 White Loss Takashima Junya 2507.00
3 White Win Adachi Yasuhiro 2054.52
4 White Draw Hasegawa Kazuto 2736.20
5 Black Loss Miyoshi Takeo 2280.57
2nd Kansai Championship 2nd round
Date 2006-10-15 Rating 2510.59
Round Color Result Opponent
1 Black Loss Oosumi Yuuki 2462.93
2 Black Win Doi Manabu 2134.38
3 Black Win Ozawa Tetsushi 2010.69
4 Black Win Takagawa Teiji 2288.50
The 44th Meijin-sen Tournament
Date 2006-09-18 Rating 2510.33
Round Color Result Opponent
1 White Draw Nagao Noriaki 2240.55
2 White Loss Okabe Hiroshi 2599.55
3 Black Loss Kawamura Norihiko 2663.21
4 White Loss Yamaguchi Yusui 2635.77
5 Black Win Ishitani Shin-ichi 2360.72
6 Black Win Oosumi Yuuki 2452.49
7 Black Win Fujii Naoki 2134.50
8 White Win Matsuura Hiroshi 2297.93
9 White Win Sato Kiyotomi 2439.77
Asian Championship 2006
Date 2006-08-15 Rating 2509.54
Round Color Result Opponent
1 White Draw Kashihara Akihiko 2293.59
2 Black Win Lee Jo-Sub 2328.25
3 Black Win Oosumi Yuuki 2441.97
4 White Draw Yamaguchi Yusui 2633.54
5 Black Win Park Jeong Ho 2385.70
6 Black Loss Kim Chang-Hoon 2541.04
7 Black Win Ishitani Shin-ichi 2360.68
8 White Loss Okabe Hiroshi 2595.76
Meijin-sen Qual, Kansai-Hokuriku area final round
Date 2006-06-18 Rating 2505.91
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2430.60
2 White Win Takashima Junya 2498.42
3 White Win Hata Masayuki 2223.18
Meijin-sen Qual, Kansai area 1st round
Date 2006-05-14 Rating 2499.65
Round Color Result Opponent
1 White Win Okuda Shingo 1967.98
2 White Win Hata Masayuki 2226.56
3 Black Win Takagawa Teiji 2301.87
4 Black Win Matsui Tsunehiro 2170.62
Team World Championship 2006
Date 2006-05-05 Rating 2497.45
Round Color Result Opponent
1 White Loss Pellikka Marko 2321.13
2 White Loss Andersson Tord 2318.09
3 White Draw Oll Aivo 2647.05
4 Black Win Skuridin Alexey 2387.41
5 Black Win Ge Lingfeng 2397.43
6 White Loss Savrasova Yulia 2675.49
7 White Win Sulane Sander 2092.74
F1 White Loss Gaulitz Joachim 2510.55
F2 White Win Andersson Tord 2318.09
1st All Japan Championship
Date 2006-03-26 Rating 2491.91
Round Color Result Opponent
1 Black Loss Kato Yasuhiro 2052.54
2 White Win Nagao Noriaki 2219.33
3 Black Win Matsuura Hiroshi 2310.57
4 White Win Tanizaki Ryusuke 2110.58
5 White Win Isobe Taizan 2423.05
6 Black Loss Yamaguchi Yusui 2633.66
37th Kyoto Classified - Special class
Date 2005-11-13 Rating 2477.92
Round Color Result Opponent
1 Black Win Matsuo Yoshihiro 2003.02
2 White Win Miyoshi Takeo 2277.35
3 Black Win Miyagawa Junzo 2249.26
4 Black Draw Okabe Hiroshi 2591.18
5 White Loss Hasegawa Kazuto 2705.84
1st Kansai Championship 2nd round
Date 2005-10-16 Rating 2473.55
Round Color Result Opponent
1 Black Win Adachi Yasuhiro 2044.44
2 Black Win Hata Masayuki 2210.96
3 White Draw Takagawa Teiji 2320.96
4 Black Loss Hasegawa Kazuto 2702.45
World Championship 2005, BT
Date 2005-08-05 Rating 2463.59
Round Color Result Opponent
1 Black Win Wang Chih-Kung 2205.14
2 Black Loss Lents Johann 2532.84
3 Black Win Ono Takayuki 2288.92
4 White Win Väljataga Paul 1902.58
5 White Loss Maximov Nikolay 2160.46
6 White Win Eriksson Marcus 2263.67
7 White Draw Oblikas Mikk 2259.81
8 Black Loss Ilu Timo 2578.54
9 White Loss Tamura Kazumasa 2357.79
World Championship 2005, QT
Date 2005-07-31 Rating 2463.89
Round Color Result Opponent
1 Black Win Oosumi Yuuki 2376.01
2 White Loss Purk Andry 2564.56
3 White Draw Oll Aivo 2552.80
4 Black Win Kozhin Mikhail 2549.11
5 Black Draw Yamaguchi Yusui 2576.36
6 White Loss Sushkov Vladimir 2694.09
7 White Win Ilu Timo 2577.98
43rd Meijinsen Qualification: Kansai area 1st round
Date 2005-05-08 Rating 2456.06
Round Color Result Opponent
1 White Win Matsui Tsunehiro 2165.27
2 Black Win Iwata Akihisa 2152.29
3 White Loss Takashima Junya 2484.06
4 Black Loss Tamura Kazumasa 2347.54
36th Kyoto Classified - Special Class
Date 2004-11-14 Rating 2455.40
Round Color Result Opponent
1 White Win Miyoshi Takeo 2254.25
2 Black Loss Kudomi Takahiro 2332.13
3 White Win Adachi Yasuhiro 2044.84
4 White Win Miyagawa Junzo 2255.88
5 White Draw Hasegawa Kazuto 2656.61
The 42nd Meijin-sen Tournament
Date 2004-09-20 Rating 2454.24
Round Color Result Opponent
1 White Win Okabe Hiroshi 2561.41
2 White Loss Kawamura Norihiko 2718.64
3 Black Win Sakashita Shoichi 2203.49
4 White Loss Ishitani Shin-ichi 2375.85
5 White Loss Hasegawa Kazuto 2654.23
6 White Win Saito Koji 2189.93
7 Black Loss Sakamoto Suzan 2290.26
8 White Loss Matsuura Hiroshi 2403.01
9 White Win Takagawa Teiji 2334.19
Team World Championship 2004
Date 2004-05-05 Rating 2466.19
Round Color Result Opponent
1 Black Loss Karlsson Stefan 2539.86
2 White Win Degtyar Felix 2144.00
3 Black Loss Meritee Ando 2801.13
4 White Win Khramov Andrey 2231.24
6 Black Win Piddubny Konstantin 2200.10
7 Black Loss Salnikov Pavel 2554.64
8 Black Loss Rusin Vladislav 2619.58
9 Black Draw Sushkov Vladimir 2675.13
35th Kyoto Classified - Special Class
Date 2003-11-09 Rating 2489.57
Round Color Result Opponent
1 White Win Yasumoto Yoshinobu 1998.84
2 Black Win Iwata Akihisa 2205.42
3 Black Loss Hasegawa Kazuto 2628.60
4 Black Win Miyoshi Takeo 2231.29
5 White Win Hata Masayuki 2119.41
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2495.57
Round Color Result Opponent
1 White Win Matsuura Hiroshi 2407.34
2 White Win Miyagawa Junzo 2261.25
3 White Win Takashima Junya 2340.77
4 White Loss Kuga Akio 2382.20
5 White Loss Hasegawa Kazuto 2624.51
6 Black Win Kudomi Takahiro 2339.54
7 White Win Ishitani Shin-ichi 2382.30
8 White Win Isobe Taizan 2415.71
9 White Win Okabe Hiroshi 2549.58
World Championship 2003, AT
Date 2003-08-08 Rating 2493.44
Round Color Result Opponent
1 White Draw Yamaguchi Yusui 2577.70
2 White Loss Taimla Tunnet 2707.37
3 White Draw Okabe Hiroshi 2548.38
4 White Loss Chingin Konstantin 2713.08
5 White Loss Meritee Ando 2800.06
6 White Loss Sinyov Igor 2552.85
7 White Draw Karlsson Stefan 2556.24
8 White Win Gaulitz Joachim 2405.48
9 White Win Andersson Tord 2378.66
10 Black Win Carlsson Martin 2426.91
11 Black Loss Sushkov Vladimir 2687.91
World Championship 2003, QT
Date 2003-07-31 Rating 2492.85
Round Color Result Opponent
1 Black Win Mitsumori Masao 2289.52
2 White Draw Karasyov Maxim 2487.68
3 White Draw Yamaguchi Yusui 2578.09
4 White Win Chang Yi-Feng 2460.06
5 White Win Ishitani Shin-ichi 2381.90
6 White Win Eibatov Nizami 2333.08
7 White Draw Sushkov Vladimir 2687.32
Japan WC Qualification 2003
Date 2003-03-22 Rating 2458.68
Round Color Result Opponent
1 Black Loss Sakurai Yasuo 2078.23
2 White Win Arita Nobuyoshi 2183.55
3 Black Win Iwata Akihisa 2206.62
4 Black Win Tamura Kazumasa 2281.18
5 White Loss Kubo Izumi 2228.52
34th Kyoto Classified - special class
Date 2002-11-10 Rating 2439.86
Round Color Result Opponent
1 Black Win Okabe Hiroshi 2485.16
2 White Loss Kudomi Takahiro 2390.00
3 Black Win Iwata Akihisa 2198.33
4 White Win Hasegawa Kazuto 2584.30
5 White Loss Miyoshi Takeo 2243.74
40th Meijin-sen Tournament
Date 2002-09-16 Rating 2431.20
Round Color Result Opponent
1 Black Loss Takagawa Teiji 2358.25
2 Black Loss Ishitani Shin-ichi 2390.90
3 Black Win Okabe Hiroshi 2473.59
4 White Draw Isobe Taizan 2445.44
5 White Loss Hasegawa Kazuto 2590.09
6 White Loss Yamaguchi Yusui 2588.84
7 Black Win Nishimura Toshio 2352.45
8 Black Win Kudomi Takahiro 2392.50
9 Black Win Matsuura Hiroshi 2312.16
40th Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2002-06-16 Rating 2416.56
Round Color Result Opponent
1 White Win Miyagawa Sou 2059.60
2 Black Win Sakamoto Suzan 2256.05
3 White Win Ikeshima Wakio 1636.78
4 Black Draw Miyagawa Junzo 2248.98
5 Black Draw Takagawa Teiji 2360.02
Team World Championship 2002
Date 2002-05-03 Rating 2409.05
Round Color Result Opponent
1 Black Loss Taimla Tunnet 2564.05
2 Black Loss Dvoeglazov Vladimir 2364.32
3 Black Win Drozd Olexandr 2265.04
4 White Loss Carlsson Martin 2334.51
5 Black Loss Gardström Petter 2486.59
6 White Win Lee Yun-Sub 2028.60
7 White Loss Semyonov Vladimir 2419.21
8 White Loss Carlsson Martin 2334.51
9 White Win Carlsson Martin 2334.51
33rd Kyoto Classified - special class
Date 2001-11-11 Rating 2420.71
Round Color Result Opponent
1 White Win Adachi Yasuhiro 2003.60
2 Black Win Doi Manabu 2115.24
3 Black Win Iwata Akihisa 2192.33
4 Black Win Hasegawa Kazuto 2576.86
5 Black Win Miyagawa Junzo 2239.79
The 39th Meijin-sen Tournament
Date 2001-09-24 Rating 2416.41
Round Color Result Opponent
1 White Loss Kudomi Takahiro 2388.62
2 Black Win Hayakawa Yoshimi 2414.13
3 White Win Takagawa Teiji 2337.21
4 White Win Maruyama Yasushi 2196.62
5 White Draw Yamaguchi Yusui 2550.85
6 White Loss Nishimura Toshio 2368.17
7 White Win Matsuura Hiroshi 2251.48
8 White Loss Nara Hideki 2530.84
9 White Loss Hasegawa Kazuto 2573.67
World Championship 2001, BT
Date 2001-08-12 Rating 2413.37
Round Color Result Opponent
1 White Win Tatsutomi Hiroyuki 2217.08
2 Black Win Chernov Sergey 2290.34
3 Black Win Ono Takayuki 2187.59
4 White Loss Hasegawa Kazuto 2571.24
5 White Win Khramov Andrey 2203.68
6 White Win Sakamoto Suzan 2212.23
7 White Loss Kusajima Masato 2390.96
8 White Win Kudomi Takahiro 2386.28
32-nd Kyoto Classified - Special class
Date 2000-11-12 Rating 2366.77
Round Color Result Opponent
1 White Loss Nara Hideki 2575.44
2 Black Win Sakamoto Suzan 2179.99
3 Black Loss Hasegawa Kazuto 2557.18
4 Black Win Koiso Shigemasa 2151.21
5 White Draw Miyoshi Takeo 2196.11
38th Meijinsen Tournament
Date 2000-10-01 Rating 2360.68
Round Color Result Opponent
1 White Win Fujinami Hisao 2241.63
2 Black Loss Kudomi Takahiro 2361.80
3 White Loss Hasegawa Kazuto 2563.25
4 White Loss Arai Yutaka 2186.18
5 White Win Nishizono Norio 2352.56
6 Black Draw Hayakawa Yoshimi 2423.97
7 White Loss Maruyama Yasushi 2237.77
8 Black Loss Nara Hideki 2576.37
9 Black Win Kusajima Masato 2359.44
Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2000-06-19 Rating 2356.57
Round Color Result Opponent
1 White Win Sakamoto Suzan 2201.98
2 White Loss Hayakawa Yoshimi 2450.44
3 White Win Takehara Kenji 1834.56
38th Meijinsen Qualification: Kansai area 1st Round
Date 2000-05-21 Rating 2355.53
Round Color Result Opponent
1 White Win Tatsutomi Hiroyuki 2197.30
2 White Loss Hayakawa Yoshimi 2455.93
3 Black Win Matsui Tsunehiro 2217.67
4 White Win Iwata Akihisa 2208.44