JPN Iio Yoshihiro

Place: Kobe, Japan

Rating: 2261.94, Rank: 212

First game: 2000-05-21, Last game: 2021-02-21

Top rating: 2473.59 (2016-05-15)

Games: 571, Wins: 286, Draws: 68, Losses: 217

Gy1: 13, Gy2: 41, Gy5: 130

16 Kansai Championship 2nd round
Date 2021-02-21 Rating 2261.94
Round Color Result Opponent
1 Black Loss JPN Sakamoto Hirouji 2213.72
2 Black Loss JPN Makino Mitsunori 2425.54
3 Black Loss JPN Kawamura Norihiko 2577.39
16 Kansai Championship 1st round
Date 2020-10-18 Rating 2271.20
Round Color Result Opponent
1 Black Loss JPN Kawamura Norihiko 2581.66
2 Black Win JPN Adachi Tomoya 1544.71
3 White Win JPN Hayashi Shoichi 2084.35
4 Black Win JPN Sakamoto Hirouji 2211.56
5 Black Loss JPN Tanaka Shotaro 2101.88
58 Meijinsen Qualification Kansai area 1st round
Date 2020-06-21 Rating 2281.58
Round Color Result Opponent
1 Black Win JPN Hata Masayuki 2069.38
2 Black Loss JPN Sakamoto Hirouji 2206.92
3 White Loss JPN Makino Mitsunori 2369.69
4 White Win JPN Kito Shinichi 2066.45
5 White Loss JPN Tachi Masaya 2397.95
15 Kansai Championship 2nd round
Date 2020-02-16 Rating 2300.70
Round Color Result Opponent
1 White Win JPN Kito Shinichi 2076.30
2 White Win JPN Hayashi Shoichi 2087.55
3 Black Loss JPN Makino Mitsunori 2322.03
ex Black Loss JPN Makino Mitsunori 2322.03
15th All Japan Championship
Date 2020-01-19 Rating 2305.98
Round Color Result Opponent
1 White Win JPN Hata Masayuki 2082.69
2 Black Loss JPN Nakayama Tomoharu 2744.35
3 White Loss JPN Makino Mitsunori 2310.74
4 Black Win JPN Fujita Maiko 2264.80
5 White Win JPN Ishitani Shin-ichi 2319.62
6 White Loss JPN Okabe Hiroshi 2637.34
51 Kyoto Classified Tournament
Date 2019-11-04 Rating 2317.60
Round Color Result Opponent
S1 White Win JPN Ozawa Tetsushi 1913.26
S2 Black Loss JPN Tanaka Toshiki 2424.60
S3 Black Win JPN Nishida Toshio 1997.17
S4 White Loss JPN Hasegawa Kazuto 2529.23
S5 White Loss JPN Kawamura Norihiko 2583.78
14 Kansai Championship final match R3
Date 2019-08-19 Rating 2332.42
Round Color Result Opponent
3 Black Loss JPN Hasegawa Kazuto 2526.05
57 Meijinsen Qualification Kansai area 1st round
Date 2019-05-19 Rating 2351.81
Round Color Result Opponent
1 White Win JPN Tanaka Toshiki 2420.08
2 White Loss JPN Hasegawa Kazuto 2516.90
3 White Loss JPN Tachi Masaya 2431.51
4 Black Win JPN Matsui Tsunehiro 2091.24
14 Kansai Championship final match
Date 2019-05-06 Rating 2354.44
Round Color Result Opponent
1 White Loss JPN Hasegawa Kazuto 2515.69
2 Black Win JPN Hasegawa Kazuto 2515.69
14th All Japan Championship
Date 2019-03-31 Rating 2360.57
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2107.51
2 White Loss JPN Nakayama Tomoharu 2724.81
3 White Win JPN Chigira Makoto 2014.05
4 Black Loss JPN Okabe Hiroshi 2613.09
5 Black Win JPN Ishitani Shin-ichi 2327.55
6 Black Loss JPN Nakamura Shigeru 2895.72
50 Kyoto Classified Tournament
Date 2018-11-11 Rating 2380.05
Round Color Result Opponent
1 White Loss JPN Ishitani Shin-ichi 2342.99
2 Black Win JPN Ozawa Tetsushi 1935.64
3 Black Loss JPN Sakamoto Hirouji 2212.19
4 White Win JPN Fujita Maiko 2185.98
5 Black Win JPN Hayashi Shoichi 2073.10
56 Meijinsen Qualification Kansai area 2nd round
Date 2018-06-17 Rating 2409.39
Round Color Result Opponent
1 Black Loss JPN Tachi Masaya 2457.41
2 Black Loss JPN Kawamura Norihiko 2570.61
3 Black Loss JPN Hasegawa Kazuto 2505.29
12th Team World Championship
Date 2018-05-05 Rating 2421.42
Round Color Result Opponent
1 White Win EST Piik Sander 2191.58
3 White Win SWE Jonsson Peter 2231.29
4 White Loss RUS Kozhin Mikhail 2574.20
5 White Loss RUS Epifanov Dmitry 2578.41
7 Black Win RUS Semyonov Oleg 2333.92
9 White Loss CHN Cao Dong 2695.56
13 Kansai Championship final match
Date 2018-03-18 Rating 2434.54
Round Color Result Opponent
1 White Loss JPN Oosumi Yuuki 2609.70
2 Black Win JPN Oosumi Yuuki 2609.70
3 White Win JPN Oosumi Yuuki 2609.70
13 Kansai Championship 2nd round
Date 2018-02-18 Rating 2439.71
Round Color Result Opponent
1 White Win JPN Hasegawa Kazuto 2506.21
2 White Win JPN Tachi Masaya 2465.09
3 Black Win JPN Matsui Tsunehiro 2097.44
13th All Japan Championship
Date 2018-01-28 Rating 2441.63
Round Color Result Opponent
1 Black Draw JPN Ishitani Shin-ichi 2336.30
2 White Win JPN Miyamoto Syunju 2193.30
3 White Loss JPN Okabe Hiroshi 2626.03
4 White Win JPN Sato Kiyotomi 2359.30
5 White Loss JPN Kamiya Shunsuke 2708.43
6 White Loss JPN Nakayama Tomoharu 2748.94
49 Kyoto Classified Tournament
Date 2017-11-12 Rating 2449.54
Round Color Result Opponent
S1 White Win JPN Nishida Toshio 2001.50
S2 White Win JPN Hasegawa Kazuto 2514.74
S3 Black Loss JPN Kawamura Norihiko 2560.55
S4 White Win JPN Hata Masayuki 2118.15
S5 White Win JPN Ishitani Shin-ichi 2320.37
13 Kansai Championship 1st round
Date 2017-10-22 Rating 2450.49
Round Color Result Opponent
1 Black Win JPN Matsui Tsunehiro 2105.82
3 White Draw JPN Tachi Masaya 2462.87
4 Black Loss JPN Sakamoto Hirouji 2204.09
5 White Loss JPN Kawamura Norihiko 2559.28
55 Meijinsen Tournament
Date 2017-09-18 Rating 2454.60
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2707.68
2 White Loss JPN Nakayama Tomoharu 2743.94
3 Black Loss JPN Okabe Hiroshi 2631.24
4 White Win JPN Tamada Yoichi 2424.38
5 Black Win JPN Maruyama Yasushi 2212.48
6 Black Win JPN Hasegawa Kazuto 2518.05
7 White Win JPN Matsuura Hiroshi 2262.13
8 White Win JPN Kawano Takahisa 2341.06
9 Black Loss JPN Sato Kiyotomi 2375.31
55 Meijinsen Qualification Kansai area 2nd round
Date 2017-06-18 Rating 2461.56
Round Color Result Opponent
1 White Win JPN Tachi Masaya 2459.50
2 White Win JPN Kawamura Norihiko 2543.23
3 White Win JPN Hasegawa Kazuto 2527.88
12th All Japan Championship
Date 2017-03-26 Rating 2457.28
Round Color Result Opponent
1 Black Draw JPN Maruta Koji 2076.65
2 White Loss JPN Ishitani Shin-ichi 2317.53
3 White Win JPN Kusajima Masato 2207.75
4 White Loss JPN Tamada Yoichi 2456.77
5 Black Draw JPN Miyamoto Syunju 2174.56
6 White Win JPN Ono Takayuki 2289.59
12 Kansai Championship 2nd round
Date 2017-02-19 Rating 2459.28
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2200.43
2 White Draw JPN Hasegawa Kazuto 2542.03
ex White Loss JPN Hasegawa Kazuto 2542.03
48 Kyoto Classified Tournament
Date 2016-11-13 Rating 2465.50
Round Color Result Opponent
SS1 Black Loss JPN Kawamura Norihiko 2537.44
SS2 White Win JPN Hata Masayuki 2124.56
SS4 Black Loss JPN Hasegawa Kazuto 2551.23
SS5 Black Draw JPN Okabe Hiroshi 2626.42
54 Meijinsen Tournament
Date 2016-09-19 Rating 2470.77
Round Color Result Opponent
1 Black Draw JPN Nakayama Tomoharu 2692.71
2 White Win JPN Maruyama Yasushi 2220.42
3 White Loss JPN Okabe Hiroshi 2631.37
4 Black Draw JPN Koyama Jun 2532.24
5 Black Win JPN Matsuura Hiroshi 2284.62
6 White Draw JPN Kamiya Shunsuke 2666.32
7 Black Win JPN Kuga Akio 2279.90
8 White Loss JPN Hasegawa Kazuto 2552.17
9 Black Win JPN Tanaka Toshiki 2376.23
54 Meijinsen Qualification Kansai area 2nd round
Date 2016-06-19 Rating 2472.64
Round Color Result Opponent
1 Black Win JPN Matsui Tsunehiro 2129.08
2 White Loss JPN Tanaka Toshiki 2381.74
3 White Win JPN Tachi Masaya 2412.36
54 Meijinsen Qualification Kansai area 1st round
Date 2016-05-15 Rating 2473.59
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2207.44
2 White Win JPN Tachi Masaya 2407.97
3 Black Win JPN Matsui Tsunehiro 2132.00
4 White Win JPN Kawamura Norihiko 2531.02
Team World Championship
Date 2016-05-04 Rating 2472.84
Round Color Result Opponent
2 Black Loss EST Pajuste Renee 2550.19
3 Black Draw SWE Eriksson Bjorn 2209.58
4 Black Loss RUS Sushkov Vladimir 2767.55
5 White Win RUS Makarov Pavel 2521.51
6 White Win CHN Chen Xin 2336.02
7 Black Win TPE Feng Sheng-Yu 2014.58
9 White Win EST Lohmus Kristofer 2176.19
11 Kansai Championship Final match
Date 2016-04-03 Rating 2470.17
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2671.51
2 Black Loss JPN Oosumi Yuuki 2671.51
3 White Loss JPN Oosumi Yuuki 2671.51
11 Kansai Championship 2nd round
Date 2016-03-20 Rating 2468.67
Round Color Result Opponent
1 Black Win JPN Kashihara Akihiko 2265.80
2 Black Win JPN Tachi Masaya 2404.57
3 White Win JPN Sakamoto Hirouji 2205.62
11th All Japan Championship
Date 2016-01-11 Rating 2457.04
Round Color Result Opponent
1 White Win JPN Suzuki Rin 1884.42
2 White Loss JPN Nakamura Shigeru 2842.80
3 Black Win JPN Mano Yoshihisa 2280.97
4 White Loss JPN Nakamura Souta 2223.58
5 White Loss JPN Okabe Hiroshi 2634.67
6 White Loss JPN Ishitani Shin-ichi 2324.66
53 Meijinsen Tournament
Date 2015-09-22 Rating 2451.00
Round Color Result Opponent
1 Black Loss JPN Oosumi Yuuki 2691.91
2 White Win JPN Kawamura Norihiko 2542.62
3 Black Loss JPN Nakayama Tomoharu 2680.00
4 Black Loss JPN Matsuura Hiroshi 2319.17
5 White Draw JPN Tamada Yoichi 2492.22
6 White Draw JPN Ishitani Shin-ichi 2323.10
7 White Draw JPN Koyama Jun 2546.20
8 Black Win JPN Okabe Hiroshi 2638.15
9 Black Loss JPN Hasegawa Kazuto 2579.01
53 Meijinsen Qualification Kansai area 2nd round
Date 2015-06-21 Rating 2446.11
Round Color Result Opponent
1 Black Loss JPN Kawamura Norihiko 2555.36
2 White Loss JPN Hasegawa Kazuto 2574.96
3 White Win JPN Koiso Shigemasa 2098.70
53 Meijinsen Qualification Kansai area 1st round
Date 2015-05-17 Rating 2445.71
Round Color Result Opponent
1 White Draw JPN Tachi Masaya 2405.52
2 White Win JPN Sakamoto Hirouji 2207.80
3 White Win JPN Miyagawa Junzo 2166.79
4 Black Draw JPN Kawamura Norihiko 2557.71
10 Kansai Championship final match
Date 2015-03-15 Rating 2442.78
Round Color Result Opponent
1 White Loss JPN Oosumi Yuuki 2719.08
2 Black Loss JPN Oosumi Yuuki 2719.08
10 Kansai Championship 2nd round
Date 2015-02-15 Rating 2442.19
Round Color Result Opponent
1 Black Draw JPN Tachi Masaya 2401.41
2 Black Win JPN Sakamoto Hirouji 2213.86
3 Black Win JPN Miyagawa Junzo 2163.49
46 Kyoto Classified Tournament
Date 2014-11-09 Rating 2437.78
Round Color Result Opponent
S1 Black Win JPN Matsuo Toshiko 1855.53
S2 Black Win JPN Sakamoto Hirouji 2220.67
S3 White Draw JPN Okabe Hiroshi 2661.00
S4 White Loss JPN Oosumi Yuuki 2732.37
S5 White Loss JPN Kawamura Norihiko 2569.86
52 Meijinsen Tournament
Date 2014-09-15 Rating 2435.03
Round Color Result Opponent
1 Black Loss JPN Hasegawa Kazuto 2565.84
2 Black Loss JPN Matsuura Hiroshi 2299.06
3 White Loss JPN Oosumi Yuuki 2736.34
4 Black Loss JPN Nakayama Tomoharu 2635.48
5 White Loss JPN Sato Kiyotomi 2403.02
6 Black Draw JPN Okabe Hiroshi 2663.88
7 Black Loss JPN Tamada Yoichi 2480.17
8 Black Draw JPN Kashihara Akihiko 2265.83
9 Black Loss JPN Fukui Nobuhiro 2535.99
52 Meijinsen Qualification Kansai area 2nd round
Date 2014-06-15 Rating 2448.71
Round Color Result Opponent
1 White Win JPN Miyagawa Junzo 2142.06
2 Black Win JPN Sakamoto Hirouji 2226.70
3 White Loss JPN Kashihara Akihiko 2267.06
52 Meijinsen Qualification Kansai area 1st round
Date 2014-05-18 Rating 2453.66
Round Color Result Opponent
1 White Win JPN Koiso Shigemasa 2093.82
2 Black Win JPN Miyagawa Junzo 2141.46
3 White Win JPN Kashihara Akihiko 2265.46
4 Black Draw JPN Sakamoto Hirouji 2227.37
Team World Championship
Date 2014-05-03 Rating 2456.06
Round Color Result Opponent
1 Black Win JPN Ono Takayuki 2303.07
3 Black Draw EST Hõbemägi Martin 2541.74
4 Black Win RUS Epifanov Dmitry 2595.06
6 Black Win JPN Ono Takayuki 2303.07
8 Black Loss EST Hõbemägi Martin 2541.74
9 White Loss RUS Chingin Konstantin 2777.06
9th Kansai Championship final match
Date 2014-04-06 Rating 2458.62
Round Color Result Opponent
1 White Draw JPN Oosumi Yuuki 2737.68
2 White Win JPN Oosumi Yuuki 2737.68
3 Black Loss JPN Oosumi Yuuki 2737.68
4 Black Loss JPN Oosumi Yuuki 2737.68
9th Kansai Championship 2nd round
Date 2014-02-16 Rating 2460.24
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2226.09
3 Black Win JPN Hasegawa Kazuto 2547.52
9th All Japan Championship
Date 2014-01-26 Rating 2459.64
Round Color Result Opponent
1 White Win JPN Miyagawa Junzo 2134.92
2 White Draw JPN Oosumi Yuuki 2742.84
3 Black Win JPN Sato Kiyotomi 2385.84
4 White Win JPN Nakayama Tomoharu 2595.33
5 Black Loss JPN Okabe Hiroshi 2672.76
6 Black Win JPN Ono Takayuki 2302.80
45 Kyoto Classified Tournament
Date 2013-11-10 Rating 2448.23
Round Color Result Opponent
S1 Black Win JPN Kawano Takahisa 2298.00
S2 White Loss JPN Hasegawa Kazuto 2542.56
S3 White Win SWE Sandstrom Richard 2301.98
S4 Black Loss JPN Fukui Nobuhiro 2516.52
S5 White Win JPN Ishitani Shin-ichi 2347.09
9th Kansai Championship 1st round
Date 2013-10-27 Rating 2445.96
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2227.36
2 Black Win JPN Watanabe Nobuo 1964.35
3 White Win JPN Kubo Izumi 2031.44
4 White Win JPN Kon Akira 1923.49
51 Meijinsen Qualification Kansai area 2nd round
Date 2013-06-16 Rating 2420.36
Round Color Result Opponent
1 White Draw JPN Hata Masayuki 2181.86
2 White Loss JPN Hasegawa Kazuto 2533.59
3 Black Win JPN Matsui Tsunehiro 2117.58
ex Black Loss JPN Hata Masayuki 2181.86
51 Meijinsen Qualification Kansai area 1st round
Date 2013-05-19 Rating 2417.65
Round Color Result Opponent
1 Black Loss JPN Hata Masayuki 2181.77
2 Black Win JPN Sakamoto Hirouji 2224.98
3 Black Win JPN Kubo Izumi 2022.71
4 Black Win JPN Matsui Tsunehiro 2117.79
5 Black Win JPN Koiso Shigemasa 2086.97
8th All Japan Championship
Date 2013-03-24 Rating 2412.96
Round Color Result Opponent
1 Black Win JPN Miyagawa Junzo 2147.90
2 White Win JPN Ishitani Shin-ichi 2308.85
3 Black Loss JPN Nakamura Shigeru 2788.61
4 White Loss JPN Okabe Hiroshi 2651.18
5 Black Draw JPN Kamiya Shunsuke 2460.50
6 Black Draw JPN Sato Kiyotomi 2363.13
8th Kansai Championship 2nd round
Date 2013-02-17 Rating 2409.44
Round Color Result Opponent
1 White Win JPN Takahashi Roi 2113.60
2 White Win JPN Miyagawa Junzo 2147.60
3 White Loss JPN Hasegawa Kazuto 2523.74
ex White Loss JPN Hasegawa Kazuto 2523.74
44 Kyoto Classified Tournament
Date 2012-11-11 Rating 2402.12
Round Color Result Opponent
S1 White Loss JPN Kudomi Takahiro 2339.49
S2 White Win JPN Tamura Kazumasa 2447.70
S3 White Draw JPN Ono Takayuki 2345.52
S4 White Loss JPN Ishitani Shin-ichi 2298.95
8th Kansai Championship 1st round
Date 2012-10-08 Rating 2401.48
Round Color Result Opponent
1 White Win JPN Takahashi Roi 2108.06
2 White Win JPN Miyagawa Junzo 2146.51
3 White Loss JPN Hasegawa Kazuto 2511.54
4 White Win JPN Koiso Shigemasa 2095.11
5 White Win JPN Kon Akira 1934.56
50th Meijinsen Tournament
Date 2012-09-17 Rating 2400.76
Round Color Result Opponent
1 White Win JPN Ono Takayuki 2349.86
2 White Loss JPN Nakayama Tomoharu 2547.78
3 Black Loss JPN Yamaguchi Yusui 2561.33
4 Black Loss JPN Nagasoe Hiroki 2451.29
5 White Loss JPN Fukui Nobuhiro 2462.11
6 Black Loss JPN Nakamura Shigeru 2796.47
7 White Loss JPN Okabe Hiroshi 2633.49
8 Black Win JPN Hasegawa Kazuto 2509.94
9 White Loss JPN Matsuura Hiroshi 2286.81
50 Meijinsen Qualification Kansai area 2nd round
Date 2012-06-17 Rating 2406.51
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2253.58
2 White Loss JPN Kise Katsumi 2470.82
3 Black Win JPN Hasegawa Kazuto 2504.09
7th Kansai Championship 2nd round
Date 2012-02-19 Rating 2409.35
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2257.79
2 White Win JPN Hata Masayuki 2158.94
3 Black Loss JPN Kise Katsumi 2474.20
7th All Japan Championship
Date 2012-01-29 Rating 2409.73
Round Color Result Opponent
1 Black Win JPN Tada Ayako 2211.62
2 Black Win JPN Mitsumori Masao 2298.09
3 White Win JPN Sakamoto Hirouji 2260.15
4 White Draw JPN Nakayama Tomoharu 2524.51
5 White Loss JPN Nakamura Shigeru 2790.96
6 White Loss JPN Kudomi Takahiro 2342.90
43 Kyoto Classified Tournament
Date 2011-11-13 Rating 2409.13
Round Color Result Opponent
S1 White Loss JPN Sakamoto Hirouji 2266.37
S2 White Loss JPN Okumura Toyohiko 2273.62
S3 White Loss JPN Mano Yoshihisa 2183.77
S4 Black Win JPN Doi Manabu 2003.98
S5 White Win JPN Kubo Izumi 2031.65
49th Meijinsen Tournament
Date 2011-09-19 Rating 2416.77
Round Color Result Opponent
1 Black Win JPN Sakashita Shoichi 2079.01
2 White Win JPN Kashihara Akihiko 2195.99
3 Black Loss JPN Matsuura Hiroshi 2295.26
4 Black Draw JPN Nakayama Tomoharu 2503.27
5 Black Draw JPN Hasegawa Kazuto 2491.87
6 Black Win JPN Kubo Izumi 2036.97
7 Black Loss JPN Okabe Hiroshi 2625.39
8 White Loss JPN Yamaguchi Yusui 2559.53
9 White Win JPN Miyoshi Takeo 2096.22
World Championship BT
Date 2011-08-06 Rating 2424.17
Round Color Result Opponent
1 White Loss RUS Nikonov Konstantin 2555.23
2 White Win RUS Rachitskaya Viktoria 2193.21
3 Black Win EST Staub Rain 1862.57
4 White Win JPN Ono Takayuki 2330.26
5 White Loss EST Pajuste Renee 2401.12
6 Black Win EST Hõbemägi Martin 2339.71
7 Black Win RUS Karasyov Maxim 2556.43
8 White Win JPN Nakayama Tomoharu 2497.03
9 White Draw RUS Potapov Alexey 2534.45
49 Meijinsen Qualification Kansai area 2nd round
Date 2011-06-19 Rating 2426.62
Round Color Result Opponent
1 White Win JPN Kubo Izumi 2042.09
2 Black Draw JPN Kashihara Akihiko 2192.68
3 White Win JPN Kise Katsumi 2468.27
6th All Japan Championship
Date 2011-03-27 Rating 2428.62
Round Color Result Opponent
1 White Win JPN Miyoshi Takeo 2083.90
2 White Win JPN Kon Akira 1948.61
3 White Draw JPN Hasegawa Kazuto 2519.01
4 White Loss JPN Okabe Hiroshi 2615.58
5 White Loss JPN Tamada Yoichi 2429.14
6 White Win JPN Kawano Takahisa 2282.01
6th Kansai Championship final match
Date 2011-03-20 Rating 2428.86
Round Color Result Opponent
1 White Loss JPN Oosumi Yuuki 2657.57
2 White Loss JPN Oosumi Yuuki 2657.57
48th Meijinsen Tournament
Date 2010-09-20 Rating 2440.81
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2253.63
2 White Win JPN Tamada Yoichi 2413.33
3 Black Win JPN Matsuura Hiroshi 2279.60
4 White Draw JPN Okabe Hiroshi 2608.20
5 White Draw JPN Kawano Takahisa 2259.96
6 White Win JPN Ishitani Shin-ichi 2313.34
7 Black Loss JPN Yamaguchi Yusui 2506.66
8 White Win JPN Koiso Shigemasa 2096.46
9 White Loss JPN Oosumi Yuuki 2624.97
Team World Championship
Date 2010-05-05 Rating 2442.10
Round Color Result Opponent
3 White Win RUS Artemyev Sergey 2535.61
4 Black Loss EST Purk Andry 2576.08
5 Black Win EST Väljataga Paul 2330.83
7 White Win AZE Eibatov Nizami 2267.51
10 White Loss RUS Sumarokov Evgeny 2464.10
5th Kansai Championship final match
Date 2010-03-28 Rating 2441.16
Round Color Result Opponent
1 White Win JPN Oosumi Yuuki 2584.32
2 White Win JPN Oosumi Yuuki 2584.32
5th All Japan Championship
Date 2010-03-21 Rating 2440.27
Round Color Result Opponent
1 White Win JPN Tadokoro Hosai 1871.34
2 Black Loss JPN Nakamura Shigeru 2753.40
3 Black Win JPN Maruta Hiroki 2034.68
4 White Win KOR Kim Chang-Su 2007.69
5 Black Loss JPN Yamaguchi Yusui 2494.49
6 White Loss JPN Shimoyama Takuma 2192.13
5th Kansai Championship 3rd round
Date 2010-02-14 Rating 2438.83
Round Color Result Opponent
1 Black Win JPN Hata Masayuki 2099.44
2 White Win JPN Hasegawa Kazuto 2585.57
3 White Win JPN Sagara Takashi 2389.02
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2436.95
Round Color Result Opponent
S1 Black Win JPN Suzuki Junichiro 1871.01
S2 White Loss JPN Nakamura Shigeru 2753.09
S3 Black Loss JPN Kataoka Mitsuaki 2154.36
S4 White Draw JPN Nagao Noriaki 2335.93
S5 Black Win JPN Ono Takayuki 2313.95
5th Kansai Championship 2nd round
Date 2009-11-15 Rating 2430.91
Round Color Result Opponent
1 Black Loss JPN Koiso Shigemasa 2101.58
2 Black Win JPN Sakamoto Hirouji 2220.99
3 Black Win JPN Kon Akira 1925.50
4 Black Win JPN Miyagawa Junzo 2136.10
41 Kyoto Classified Tournament
Date 2009-11-08 Rating 2430.59
Round Color Result Opponent
S1 Black Loss JPN Hasegawa Kazuto 2594.45
S2 White Win JPN Sakamoto Hirouji 2220.28
S3 White Win JPN Kudomi Takahiro 2301.35
S4 White Win JPN Okabe Hiroshi 2584.42
S5 Black Loss JPN Okumura Toyohiko 2285.66
47th Meijinsen tournament
Date 2009-09-22 Rating 2427.43
Round Color Result Opponent
1 White Win JPN Tamura Kazumasa 2427.26
2 White Win JPN Yamaguchi Yusui 2480.77
3 Black Loss JPN Kawamura Norihiko 2550.94
4 Black Win JPN Kataoka Mitsuaki 2145.67
5 White Loss JPN Oosumi Yuuki 2565.83
6 White Draw JPN Ishitani Shin-ichi 2291.00
7 White Win JPN Matsuura Hiroshi 2245.75
8 White Loss JPN Okabe Hiroshi 2580.86
9 White Win JPN Sakamoto Hirouji 2214.49
The 6th Shanghai Renju Meijin Invitation Tournament
Date 2009-05-03 Rating 2411.48
Round Color Result Opponent
1 White Draw JPN Oosumi Yuuki 2559.43
2 Black Loss CHN Gu Wei 2453.90
3 Black Loss CHN Li Yi 2606.14
4 Black Loss CHN Yu Manjiang 2442.82
5 Black Win CHN Xu Bin 2140.12
6 White Win JPN Mitsumori Masao 2277.22
7 White Draw JPN Isobe Taizan 2335.21
4th All Japan Championship
Date 2009-03-21 Rating 2408.43
Round Color Result Opponent
1 Black Win JPN Iwano Fumio 2140.39
2 White Loss JPN Tamura Kazumasa 2423.49
3 Black Loss JPN Tamada Yoichi 2259.39
4 Black Win JPN Tanizaki Ryusuke 2039.01
5 White Win JPN Sakamoto Hirouji 2204.53
6 White Draw JPN Ishitani Shin-ichi 2292.38
4 Kansai Championship 3rd round
Date 2009-02-15 Rating 2408.10
Round Color Result Opponent
1 White Loss JPN Tamura Kazumasa 2417.01
2 Black Loss JPN Oosumi Yuuki 2551.12
3 Black Loss JPN Takashima Junya 2425.57
4th Kansai Championship, 2nd round
Date 2008-11-16 Rating 2415.78
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2196.07
2 Black Win JPN Miyagawa Junzo 2151.84
3 White Draw JPN Tamura Kazumasa 2401.58
4 White Loss JPN Takashima Junya 2424.65
46th Meijinsen Tournament
Date 2008-09-15 Rating 2421.51
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2204.37
2 Black Win JPN Oosumi Yuuki 2511.29
3 Black Loss JPN Okabe Hiroshi 2569.44
4 Black Win JPN Yamaguchi Yusui 2479.55
5 Black Win JPN Kataoka Mitsuaki 2115.08
6 Black Win JPN Hata Masayuki 2185.13
7 White Loss JPN Sato Kiyotomi 2307.12
8 Black Draw JPN Ishitani Shin-ichi 2279.87
9 Black Loss JPN Kawamura Norihiko 2563.84
46th Meijinsen Qualification Kansai area 2nd round
Date 2008-06-15 Rating 2427.80
Round Color Result Opponent
1 Black Draw JPN Miyagawa Junzo 2160.97
2 Black Win JPN Sakamoto Hirouji 2198.87
3 White Loss JPN Hata Masayuki 2196.92
Team World Championship
Date 2008-05-02 Rating 2433.76
Round Color Result Opponent
1 Black Draw CZE Laube Pavel 2374.67
2 White Win RUS Artemyev Sergey 2544.96
3 Black Win CHN Cao Dong 2586.99
4 White Loss SWE Karlsson Stefan 2498.67
5 White Loss RUS Sushkov Vladimir 2660.23
7 Black Win EST Taimla Tunnet 2690.07
8 White Draw FIN Saarenpää Samuli 2325.70
9 Black Win UKR Piddubny Konstantin 2164.83
3rd Kansai Championship 3rd round
Date 2008-01-13 Rating 2436.44
Round Color Result Opponent
1 White Win JPN Takagawa Teiji 2166.24
2 White Win JPN Tamura Kazumasa 2350.66
3 White Loss JPN Oosumi Yuuki 2480.38
The 45th Meijin-sen Tournament
Date 2007-09-17 Rating 2438.30
Round Color Result Opponent
1 White Loss JPN Isobe Taizan 2321.80
2 Black Loss JPN Miyoshi Takeo 2183.62
3 Black Loss JPN Okabe Hiroshi 2518.76
4 White Win JPN Matsuura Hiroshi 2181.81
5 White Win JPN Kawamura Norihiko 2541.32
6 Black Win JPN Sato Kiyotomi 2258.90
7 Black Win JPN Hiwatashi Kikuma 1807.89
8 White Draw JPN Oosumi Yuuki 2459.74
9 White Win JPN Yamaguchi Yusui 2531.77
World Championship AT
Date 2007-08-15 Rating 2439.02
Round Color Result Opponent
1 White Draw EST Oll Aivo 2562.55
2 Black Loss JPN Okabe Hiroshi 2512.76
3 Black Loss JPN Yamaguchi Yusui 2533.97
4 White Loss CHN Wu Di 2608.78
5 Black Loss EST Taimla Tunnet 2660.44
6 Black Win RUS Kozhin Mikhail 2500.09
7 Black Loss RUS Sushkov Vladimir 2654.09
8 White Loss RUS Savrasova Yulia 2571.08
9 White Win EST Purk Andry 2532.24
10 White Draw RUS Chingin Konstantin 2686.34
11 White Loss SWE Karlsson Stefan 2503.21
World Championship QT
Date 2007-08-08 Rating 2439.44
Round Color Result Opponent
1 Black Win JPN Ishitani Shin-ichi 2257.74
2 White Win ARM Poghosyan Albert 2298.36
3 White Draw JPN Okabe Hiroshi 2512.10
4 Black Win SWE Jonsson Peter 2257.33
5 Black Win CHN Qiu Yunfei 2398.58
6 White Win TPE Lin Huang-Yu 2443.89
7 White Win SWE Andersson Tord 2265.40
45th Meijinsen Qualification Kansai area final round
Date 2007-06-17 Rating 2434.26
Round Color Result Opponent
1 Black Win JPN Hata Masayuki 2192.93
2 Black Loss JPN Sakamoto Hirouji 2196.39
3 Black Win JPN Oosumi Yuuki 2433.03
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2426.51
Round Color Result Opponent
1 Black Loss JPN Ono Takayuki 2292.96
2 Black Win JPN Tanizaki Ryusuke 2047.86
4 White Loss JPN Isobe Taizan 2312.21
2nd Kansai Championship, Final Match
Date 2007-03-18 Rating 2426.51
Round Color Result Opponent
1 White Loss JPN Hasegawa Kazuto 2650.60
2 Black Loss JPN Hasegawa Kazuto 2650.60
2nd Kansai Championship 3rd round
Date 2007-01-14 Rating 2428.53
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2385.40
2 White Win JPN Sagara Takashi 2393.13
3 Black Draw JPN Takashima Junya 2392.51
2nd Kansai Championship 2nd round
Date 2006-10-15 Rating 2425.79
Round Color Result Opponent
1 Black Loss JPN Oosumi Yuuki 2361.65
2 Black Win JPN Doi Manabu 2007.11
3 Black Win JPN Ozawa Tetsushi 2032.87
4 Black Win JPN Takagawa Teiji 2202.24
The 44th Meijin-sen Tournament
Date 2006-09-18 Rating 2425.38
Round Color Result Opponent
1 White Draw JPN Nagao Noriaki 2227.26
2 White Loss JPN Okabe Hiroshi 2480.52
3 Black Loss JPN Kawamura Norihiko 2567.48
4 White Loss JPN Yamaguchi Yusui 2512.25
5 Black Win JPN Ishitani Shin-ichi 2240.75
6 Black Win JPN Oosumi Yuuki 2353.45
7 Black Win JPN Fujii Naoki 1976.56
8 White Win JPN Matsuura Hiroshi 2183.77
9 White Win JPN Sato Kiyotomi 2278.09
Asian Championship
Date 2006-08-15 Rating 2425.21
Round Color Result Opponent
1 White Draw JPN Kashihara Akihiko 2220.70
2 Black Win KOR Lee Jo-Sub 2285.20
3 Black Win JPN Oosumi Yuuki 2345.14
4 White Draw JPN Yamaguchi Yusui 2508.76
5 Black Win KOR Park Jeong Ho 2308.93
6 Black Loss KOR Kim Chang-Hoon 2451.31
7 Black Win JPN Ishitani Shin-ichi 2241.16
8 White Loss JPN Okabe Hiroshi 2478.33
Meijin-sen Qual, Kansai-Hokuriku area final round
Date 2006-06-18 Rating 2423.81
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2333.82
2 White Win JPN Takashima Junya 2377.33
3 White Win JPN Hata Masayuki 2200.91
Meijin-sen Qual, Kansai area 1st round
Date 2006-05-14 Rating 2420.31
Round Color Result Opponent
1 White Win JPN Okuda Shingo 1859.70
2 White Win JPN Hata Masayuki 2201.35
3 Black Win JPN Takagawa Teiji 2211.67
4 Black Win JPN Matsui Tsunehiro 2123.63
Team World Championship
Date 2006-05-05 Rating 2418.98
Round Color Result Opponent
1 White Loss FIN Pellikka Marko 2225.65
2 White Loss SWE Andersson Tord 2251.24
3 White Draw EST Oll Aivo 2545.52
4 Black Win RUS Skuridin Alexey 2332.62
5 Black Win CHN Ge Lingfeng 2302.87
6 White Loss RUS Savrasova Yulia 2542.10
7 White Win EST Sulane Sander 2018.68
F1 White Loss SWE Gaulitz Joachim 2368.76
F2 White Win SWE Andersson Tord 2251.24
1st Kansai Championship 2nd round
Date 2005-10-16 Rating 2405.98
Round Color Result Opponent
1 Black Win JPN Adachi Yasuhiro 1758.33
2 Black Win JPN Hata Masayuki 2188.45
3 White Draw JPN Takagawa Teiji 2224.10
4 Black Loss JPN Hasegawa Kazuto 2613.66
World Championship QT
Date 2005-07-31 Rating 2402.29
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2297.81
4 Black Win RUS Kozhin Mikhail 2475.91
5 Black Draw JPN Yamaguchi Yusui 2460.83
6 White Loss RUS Sushkov Vladimir 2594.91
7 White Win EST Ilu Timo 2416.11
43rd Meijinsen Qualification: Kansai area 1st round
Date 2005-05-08 Rating 2390.08
Round Color Result Opponent
1 White Win JPN Matsui Tsunehiro 2129.32
2 Black Win JPN Iwata Akihisa 2142.69
3 White Loss JPN Takashima Junya 2337.46
4 Black Loss JPN Tamura Kazumasa 2312.04
The 42nd Meijin-sen Tournament
Date 2004-09-20 Rating 2370.48
Round Color Result Opponent
1 White Win JPN Okabe Hiroshi 2420.70
2 White Loss JPN Kawamura Norihiko 2592.01
3 Black Win JPN Sakashita Shoichi 2114.99
4 White Loss JPN Ishitani Shin-ichi 2259.64
5 White Loss JPN Hasegawa Kazuto 2572.28
6 White Win JPN Saito Koji 2075.22
7 Black Loss JPN Sakamoto Hirouji 2146.92
8 White Loss JPN Matsuura Hiroshi 2245.35
9 White Win JPN Takagawa Teiji 2234.59
Team World Championship
Date 2004-05-05 Rating 2372.46
Round Color Result Opponent
1 Black Loss SWE Karlsson Stefan 2427.09
2 White Win BLR Degtyar Felix 1979.80
3 Black Loss EST Meritee Ando 2725.77
4 White Win UZB Khramov Andrey 2172.17
6 Black Win UKR Piddubny Konstantin 2085.20
7 Black Loss RUS Salnikov Pavel 2463.07
8 Black Loss RUS Kareyev Vladislav 2494.75
9 Black Draw RUS Sushkov Vladimir 2574.27
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2384.18
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2252.06
2 White Win JPN Miyagawa Junzo 2083.61
3 White Win JPN Takashima Junya 2199.33
4 White Loss JPN Kuga Akio 2263.82
5 White Loss JPN Hasegawa Kazuto 2535.01
6 Black Win JPN Kudomi Takahiro 2282.17
7 White Win JPN Ishitani Shin-ichi 2260.09
8 White Win JPN Isobe Taizan 2211.48
9 White Win JPN Okabe Hiroshi 2397.43
World Championship AT
Date 2003-08-08 Rating 2382.59
Round Color Result Opponent
1 White Draw JPN Yamaguchi Yusui 2470.35
2 White Loss EST Taimla Tunnet 2571.46
3 White Draw JPN Okabe Hiroshi 2396.30
4 White Loss RUS Chingin Konstantin 2600.09
5 White Loss EST Meritee Ando 2710.84
6 White Loss RUS Sinyov Igor 2483.88
7 White Draw SWE Karlsson Stefan 2425.48
8 White Win SWE Gaulitz Joachim 2312.74
9 White Win SWE Andersson Tord 2265.37
10 Black Win SWE Carlsson Martin 2275.49
11 Black Loss RUS Sushkov Vladimir 2578.10
World Championship QT
Date 2003-07-31 Rating 2382.21
Round Color Result Opponent
1 Black Win JPN Mitsumori Masao 2238.68
2 White Draw RUS Karasyov Maxim 2396.44
3 White Draw JPN Yamaguchi Yusui 2471.26
4 White Win TPE Chang Yi-Feng 2284.07
5 White Win JPN Ishitani Shin-ichi 2259.96
6 White Win AZE Eibatov Nizami 2280.05
7 White Draw RUS Sushkov Vladimir 2577.60
40th Meijin-sen Tournament
Date 2002-09-16 Rating 2325.52
Round Color Result Opponent
1 Black Loss JPN Takagawa Teiji 2246.78
2 Black Loss JPN Ishitani Shin-ichi 2262.00
3 Black Win JPN Okabe Hiroshi 2341.06
4 White Draw JPN Isobe Taizan 2224.77
5 White Loss JPN Hasegawa Kazuto 2518.50
6 White Loss JPN Yamaguchi Yusui 2486.52
7 Black Win JPN Nishimura Toshio 2221.95
8 Black Win JPN Kudomi Takahiro 2293.14
9 Black Win JPN Matsuura Hiroshi 2193.04
40th Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2002-06-16 Rating 2310.66
Round Color Result Opponent
1 White Win JPN Miyagawa Sou 1866.65
2 Black Win JPN Sakamoto Hirouji 2140.53
3 White Win JPN Ikeshima Wakio 1873.93
4 Black Draw JPN Miyagawa Junzo 2077.58
5 Black Draw JPN Takagawa Teiji 2246.16
Team World Championship
Date 2002-05-03 Rating 2303.44
Round Color Result Opponent
1 Black Loss EST Taimla Tunnet 2448.29
2 Black Loss RUS Dvoeglazov Vladimir 2251.39
3 Black Win UKR Drozd Olexandr 2153.74
4 White Loss SWE Carlsson Martin 2210.07
5 Black Loss SWE Gardstrom Petter 2380.77
6 White Win KOR Lee Yun-Sub 1971.96
7 White Loss RUS Semyonov Vladimir 2296.04
8 White Loss SWE Carlsson Martin 2210.07
9 White Win SWE Carlsson Martin 2210.07
The 39th Meijin-sen Tournament
Date 2001-09-24 Rating 2304.02
Round Color Result Opponent
1 White Loss JPN Kudomi Takahiro 2296.84
2 Black Win JPN Hayakawa Yoshimi 2349.27
3 White Win JPN Takagawa Teiji 2242.57
4 White Win JPN Maruyama Yasushi 2110.01
5 White Draw JPN Yamaguchi Yusui 2455.86
6 White Loss JPN Nishimura Toshio 2244.93
7 White Win JPN Matsuura Hiroshi 2175.04
8 White Loss JPN Nara Hideki 2458.95
9 White Loss JPN Hasegawa Kazuto 2504.57
World Championship BT
Date 2001-08-12 Rating 2303.73
Round Color Result Opponent
1 White Win JPN Tatsutomi Hiroyuki 2077.49
2 Black Win RUS Chernov Sergey 2205.98
3 Black Win JPN Ono Takayuki 2161.36
4 White Loss JPN Hasegawa Kazuto 2504.22
5 White Win UZB Khramov Andrey 2139.14
6 White Win JPN Sakamoto Hirouji 2155.44
7 White Loss JPN Kusajima Masato 2249.62
8 White Win JPN Kudomi Takahiro 2294.33
32-nd Kyoto Classified - Special class
Date 2000-11-12 Rating 2278.97
Round Color Result Opponent
1 White Loss JPN Nara Hideki 2480.81
2 Black Win JPN Sakamoto Hirouji 2159.48
3 Black Loss JPN Hasegawa Kazuto 2507.88
4 Black Win JPN Koiso Shigemasa 1969.39
38th Meijinsen Tournament
Date 2000-10-01 Rating 2275.07
Round Color Result Opponent
1 White Win JPN Fujinami Hisao 2121.28
2 Black Loss JPN Kudomi Takahiro 2274.79
3 White Loss JPN Hasegawa Kazuto 2508.44
4 White Loss JPN Arai Yutaka 2067.36
5 White Win JPN Nishizono Norio 2301.15
6 Black Draw JPN Hayakawa Yoshimi 2361.34
7 White Loss JPN Maruyama Yasushi 2114.58
8 Black Loss JPN Nara Hideki 2483.00
9 Black Win JPN Kusajima Masato 2223.19
Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2000-06-19 Rating 2273.50
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2165.27
2 White Loss JPN Hayakawa Yoshimi 2373.34
3 White Win JPN Takehara Kenji 1772.71
38th Meijinsen Qualification: Kansai area 1st Round
Date 2000-05-21 Rating 2272.97
Round Color Result Opponent
1 White Win JPN Tatsutomi Hiroyuki 2058.20
2 White Loss JPN Hayakawa Yoshimi 2375.91
3 Black Win JPN Matsui Tsunehiro 2164.96
4 White Win JPN Iwata Akihisa 2147.24