JPN Iio Yoshihiro

Place: Kobe, Japan

Rating: 2295.90, Rank: 171

First game: 2000-05-21, Last game: 2020-10-18

Top rating: 2476.08 (2016-05-15)

Games: 568, Wins: 286, Draws: 68, Losses: 214

Gy1: 20, Gy2: 38, Gy5: 127

16 Kansai Championship 1st round
Date 2020-10-18 Rating 2295.90
Round Color Result Opponent
1 Black Loss JPN Kawamura Norihiko 2604.87
2 Black Win JPN Adachi Tomoya 1536.95
3 White Win JPN Hayashi Shoichi 2076.64
4 Black Win JPN Sakamoto Hirouji 2199.75
5 Black Loss JPN Tanaka Shotaro 2086.87
58 Meijinsen Qualification Kansai area 1st round
Date 2020-06-21 Rating 2298.69
Round Color Result Opponent
1 Black Win JPN Hata Masayuki 2064.06
2 Black Loss JPN Sakamoto Hirouji 2196.61
3 White Loss JPN Makino Mitsunori 2302.37
4 White Win JPN Kito Shinichi 2049.94
5 White Loss JPN Tachi Masaya 2391.60
15 Kansai Championship 2nd round
Date 2020-02-16 Rating 2312.02
Round Color Result Opponent
1 White Win JPN Kito Shinichi 2060.88
2 White Win JPN Hayashi Shoichi 2079.33
3 Black Loss JPN Makino Mitsunori 2270.86
ex Black Loss JPN Makino Mitsunori 2270.86
15th All Japan Championship
Date 2020-01-19 Rating 2316.48
Round Color Result Opponent
1 White Win JPN Hata Masayuki 2077.82
2 Black Loss JPN Nakayama Tomoharu 2745.12
3 White Loss JPN Makino Mitsunori 2262.62
4 Black Win JPN Fujita Maiko 2270.28
5 White Win JPN Ishitani Shin-ichi 2309.47
6 White Loss JPN Okabe Hiroshi 2633.24
51 Kyoto Classified Tournament
Date 2019-11-04 Rating 2326.71
Round Color Result Opponent
S1 White Win JPN Ozawa Tetsushi 1913.08
S2 Black Loss JPN Tanaka Toshiki 2423.52
S3 Black Win JPN Nishida Toshio 1998.23
S4 White Loss JPN Hasegawa Kazuto 2522.93
S5 White Loss JPN Kawamura Norihiko 2596.15
14 Kansai Championship final match R3
Date 2019-08-19 Rating 2340.32
Round Color Result Opponent
3 Black Loss JPN Hasegawa Kazuto 2521.15
57 Meijinsen Qualification Kansai area 1st round
Date 2019-05-19 Rating 2358.38
Round Color Result Opponent
1 White Win JPN Tanaka Toshiki 2419.21
2 White Loss JPN Hasegawa Kazuto 2513.28
3 White Loss JPN Tachi Masaya 2428.37
4 Black Win JPN Matsui Tsunehiro 2090.47
14 Kansai Championship final match
Date 2019-05-06 Rating 2360.86
Round Color Result Opponent
1 White Loss JPN Hasegawa Kazuto 2512.20
2 Black Win JPN Hasegawa Kazuto 2512.20
14th All Japan Championship
Date 2019-03-31 Rating 2366.63
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2118.64
2 White Loss JPN Nakayama Tomoharu 2726.16
3 White Win JPN Chigira Makoto 2018.01
4 Black Loss JPN Okabe Hiroshi 2612.25
5 Black Win JPN Ishitani Shin-ichi 2325.26
6 Black Loss JPN Nakamura Shigeru 2896.37
50 Kyoto Classified Tournament
Date 2018-11-11 Rating 2384.95
Round Color Result Opponent
1 White Loss JPN Ishitani Shin-ichi 2342.57
2 Black Win JPN Ozawa Tetsushi 1935.45
3 Black Loss JPN Sakamoto Hirouji 2207.31
4 White Win JPN Fujita Maiko 2189.17
5 Black Win JPN Hayashi Shoichi 2066.72
56 Meijinsen Qualification Kansai area 2nd round
Date 2018-06-17 Rating 2413.39
Round Color Result Opponent
1 Black Loss JPN Tachi Masaya 2456.83
2 Black Loss JPN Kawamura Norihiko 2576.07
3 Black Loss JPN Hasegawa Kazuto 2504.51
12th Team World Championship
Date 2018-05-05 Rating 2425.19
Round Color Result Opponent
1 White Win EST Piik Sander 2192.67
3 White Win SWE Jonsson Peter 2233.31
4 White Loss RUS Kozhin Mikhail 2575.91
5 White Loss RUS Epifanov Dmitry 2581.05
7 Black Win RUS Semyonov Oleg 2334.82
9 White Loss CHN Cao Dong 2696.97
13 Kansai Championship final match
Date 2018-03-18 Rating 2438.12
Round Color Result Opponent
1 White Loss JPN Oosumi Yuuki 2612.24
2 Black Win JPN Oosumi Yuuki 2612.24
3 White Win JPN Oosumi Yuuki 2612.24
13 Kansai Championship 2nd round
Date 2018-02-18 Rating 2443.17
Round Color Result Opponent
1 White Win JPN Hasegawa Kazuto 2506.15
2 White Win JPN Tachi Masaya 2465.26
3 Black Win JPN Matsui Tsunehiro 2097.32
13th All Japan Championship
Date 2018-01-28 Rating 2445.03
Round Color Result Opponent
1 Black Draw JPN Ishitani Shin-ichi 2337.81
2 White Win JPN Miyamoto Syunju 2197.97
3 White Loss JPN Okabe Hiroshi 2627.53
4 White Win JPN Sato Kiyotomi 2362.93
5 White Loss JPN Kamiya Shunsuke 2710.04
6 White Loss JPN Nakayama Tomoharu 2750.88
49 Kyoto Classified Tournament
Date 2017-11-12 Rating 2452.73
Round Color Result Opponent
S1 White Win JPN Nishida Toshio 2003.11
S2 White Win JPN Hasegawa Kazuto 2515.24
S3 Black Loss JPN Kawamura Norihiko 2564.86
S4 White Win JPN Hata Masayuki 2116.45
S5 White Win JPN Ishitani Shin-ichi 2322.20
13 Kansai Championship 1st round
Date 2017-10-22 Rating 2453.64
Round Color Result Opponent
1 Black Win JPN Matsui Tsunehiro 2105.89
3 White Draw JPN Tachi Masaya 2463.67
4 Black Loss JPN Sakamoto Hirouji 2202.16
5 White Loss JPN Kawamura Norihiko 2563.49
55 Meijinsen Tournament
Date 2017-09-18 Rating 2457.71
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2709.54
2 White Loss JPN Nakayama Tomoharu 2746.02
3 Black Loss JPN Okabe Hiroshi 2633.14
4 White Win JPN Tamada Yoichi 2434.16
5 Black Win JPN Maruyama Yasushi 2214.52
6 Black Win JPN Hasegawa Kazuto 2518.82
7 White Win JPN Matsuura Hiroshi 2263.06
8 White Win JPN Kawano Takahisa 2342.01
9 Black Loss JPN Sato Kiyotomi 2378.90
55 Meijinsen Qualification Kansai area 2nd round
Date 2017-06-18 Rating 2464.55
Round Color Result Opponent
1 White Win JPN Tachi Masaya 2460.80
2 White Win JPN Kawamura Norihiko 2547.01
3 White Win JPN Hasegawa Kazuto 2528.94
12th All Japan Championship
Date 2017-03-26 Rating 2460.18
Round Color Result Opponent
1 Black Draw JPN Maruta Koji 2091.27
2 White Loss JPN Ishitani Shin-ichi 2319.83
3 White Win JPN Kusajima Masato 2212.24
4 White Loss JPN Tamada Yoichi 2464.57
5 Black Draw JPN Miyamoto Syunju 2178.69
6 White Win JPN Ono Takayuki 2293.68
12 Kansai Championship 2nd round
Date 2017-02-19 Rating 2462.11
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2199.93
2 White Draw JPN Hasegawa Kazuto 2543.37
ex White Loss JPN Hasegawa Kazuto 2543.37
48 Kyoto Classified Tournament
Date 2016-11-13 Rating 2468.16
Round Color Result Opponent
SS1 Black Loss JPN Kawamura Norihiko 2540.85
SS2 White Win JPN Hata Masayuki 2124.09
SS4 Black Loss JPN Hasegawa Kazuto 2552.75
SS5 Black Draw JPN Okabe Hiroshi 2628.75
54 Meijinsen Tournament
Date 2016-09-19 Rating 2473.35
Round Color Result Opponent
1 Black Draw JPN Nakayama Tomoharu 2695.01
2 White Win JPN Maruyama Yasushi 2222.42
3 White Loss JPN Okabe Hiroshi 2633.74
4 Black Draw JPN Koyama Jun 2534.81
5 Black Win JPN Matsuura Hiroshi 2286.00
6 White Draw JPN Kamiya Shunsuke 2668.64
7 Black Win JPN Kuga Akio 2280.15
8 White Loss JPN Hasegawa Kazuto 2553.78
9 Black Win JPN Tanaka Toshiki 2377.02
54 Meijinsen Qualification Kansai area 2nd round
Date 2016-06-19 Rating 2475.14
Round Color Result Opponent
1 Black Win JPN Matsui Tsunehiro 2129.81
2 White Loss JPN Tanaka Toshiki 2382.62
3 White Win JPN Tachi Masaya 2414.30
54 Meijinsen Qualification Kansai area 1st round
Date 2016-05-15 Rating 2476.08
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2207.76
2 White Win JPN Tachi Masaya 2409.98
3 Black Win JPN Matsui Tsunehiro 2132.77
4 White Win JPN Kawamura Norihiko 2534.22
Team World Championship
Date 2016-05-04 Rating 2475.32
Round Color Result Opponent
2 Black Loss EST Pajuste Renee 2553.24
3 Black Draw SWE Eriksson Bjorn 2212.73
4 Black Loss RUS Sushkov Vladimir 2770.05
5 White Win RUS Makarov Pavel 2524.05
6 White Win CHN Chen Xin 2337.29
7 Black Win TPE Feng Sheng-Yu 2016.05
9 White Win EST Lohmus Kristofer 2176.23
11 Kansai Championship Final match
Date 2016-04-03 Rating 2472.65
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2673.99
2 Black Loss JPN Oosumi Yuuki 2673.99
3 White Loss JPN Oosumi Yuuki 2673.99
11 Kansai Championship 2nd round
Date 2016-03-20 Rating 2471.14
Round Color Result Opponent
1 Black Win JPN Kashihara Akihiko 2266.23
2 Black Win JPN Tachi Masaya 2406.61
3 White Win JPN Sakamoto Hirouji 2206.08
11th All Japan Championship
Date 2016-01-11 Rating 2459.53
Round Color Result Opponent
1 White Win JPN Suzuki Rin 1887.16
2 White Loss JPN Nakamura Shigeru 2845.07
3 Black Win JPN Mano Yoshihisa 2284.32
4 White Loss JPN Nakamura Souta 2226.89
5 White Loss JPN Okabe Hiroshi 2637.23
6 White Loss JPN Ishitani Shin-ichi 2327.11
53 Meijinsen Tournament
Date 2015-09-22 Rating 2453.49
Round Color Result Opponent
1 Black Loss JPN Oosumi Yuuki 2694.39
2 White Win JPN Kawamura Norihiko 2545.65
3 Black Loss JPN Nakayama Tomoharu 2682.49
4 Black Loss JPN Matsuura Hiroshi 2320.94
5 White Draw JPN Tamada Yoichi 2496.48
6 White Draw JPN Ishitani Shin-ichi 2325.52
7 White Draw JPN Koyama Jun 2548.78
8 Black Win JPN Okabe Hiroshi 2640.74
9 Black Loss JPN Hasegawa Kazuto 2581.08
53 Meijinsen Qualification Kansai area 2nd round
Date 2015-06-21 Rating 2448.60
Round Color Result Opponent
1 Black Loss JPN Kawamura Norihiko 2558.36
2 White Loss JPN Hasegawa Kazuto 2577.08
3 White Win JPN Koiso Shigemasa 2099.45
53 Meijinsen Qualification Kansai area 1st round
Date 2015-05-17 Rating 2448.19
Round Color Result Opponent
1 White Draw JPN Tachi Masaya 2407.62
2 White Win JPN Sakamoto Hirouji 2208.84
3 White Win JPN Miyagawa Junzo 2168.72
4 Black Draw JPN Kawamura Norihiko 2560.69
10 Kansai Championship final match
Date 2015-03-15 Rating 2445.27
Round Color Result Opponent
1 White Loss JPN Oosumi Yuuki 2721.55
2 Black Loss JPN Oosumi Yuuki 2721.55
10 Kansai Championship 2nd round
Date 2015-02-15 Rating 2444.68
Round Color Result Opponent
1 Black Draw JPN Tachi Masaya 2403.47
2 Black Win JPN Sakamoto Hirouji 2215.03
3 Black Win JPN Miyagawa Junzo 2165.46
46 Kyoto Classified Tournament
Date 2014-11-09 Rating 2440.29
Round Color Result Opponent
S1 Black Win JPN Matsuo Toshiko 1856.92
S2 Black Win JPN Sakamoto Hirouji 2221.95
S3 White Draw JPN Okabe Hiroshi 2663.55
S4 White Loss JPN Oosumi Yuuki 2734.85
S5 White Loss JPN Kawamura Norihiko 2572.85
52 Meijinsen Tournament
Date 2014-09-15 Rating 2437.57
Round Color Result Opponent
1 Black Loss JPN Hasegawa Kazuto 2568.07
2 Black Loss JPN Matsuura Hiroshi 2301.05
3 White Loss JPN Oosumi Yuuki 2738.81
4 Black Loss JPN Nakayama Tomoharu 2637.98
5 White Loss JPN Sato Kiyotomi 2405.69
6 Black Draw JPN Okabe Hiroshi 2666.41
7 Black Loss JPN Tamada Yoichi 2483.44
8 Black Draw JPN Kashihara Akihiko 2267.27
9 Black Loss JPN Fukui Nobuhiro 2538.52
52 Meijinsen Qualification Kansai area 2nd round
Date 2014-06-15 Rating 2451.28
Round Color Result Opponent
1 White Win JPN Miyagawa Junzo 2144.12
2 Black Win JPN Sakamoto Hirouji 2228.10
3 White Loss JPN Kashihara Akihiko 2268.59
52 Meijinsen Qualification Kansai area 1st round
Date 2014-05-18 Rating 2456.24
Round Color Result Opponent
1 White Win JPN Koiso Shigemasa 2094.91
2 Black Win JPN Miyagawa Junzo 2143.52
3 White Win JPN Kashihara Akihiko 2267.00
4 Black Draw JPN Sakamoto Hirouji 2228.78
Team World Championship
Date 2014-05-03 Rating 2458.66
Round Color Result Opponent
1 Black Win JPN Ono Takayuki 2305.88
3 Black Draw EST Hõbemägi Martin 2552.58
4 Black Win RUS Epifanov Dmitry 2597.95
6 Black Win JPN Ono Takayuki 2305.88
8 Black Loss EST Hõbemägi Martin 2552.58
9 White Loss RUS Chingin Konstantin 2779.81
9th Kansai Championship final match
Date 2014-04-06 Rating 2461.19
Round Color Result Opponent
1 White Draw JPN Oosumi Yuuki 2740.13
2 White Win JPN Oosumi Yuuki 2740.13
3 Black Loss JPN Oosumi Yuuki 2740.13
4 Black Loss JPN Oosumi Yuuki 2740.13
9th Kansai Championship 2nd round
Date 2014-02-16 Rating 2462.77
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2227.54
3 Black Win JPN Hasegawa Kazuto 2549.78
9th All Japan Championship
Date 2014-01-26 Rating 2462.16
Round Color Result Opponent
1 White Win JPN Miyagawa Junzo 2137.03
2 White Draw JPN Oosumi Yuuki 2745.27
3 Black Win JPN Sato Kiyotomi 2388.34
4 White Win JPN Nakayama Tomoharu 2597.80
5 Black Loss JPN Okabe Hiroshi 2675.25
6 Black Win JPN Ono Takayuki 2305.53
45 Kyoto Classified Tournament
Date 2013-11-10 Rating 2450.69
Round Color Result Opponent
S1 Black Win JPN Kawano Takahisa 2299.59
S2 White Loss JPN Hasegawa Kazuto 2544.84
S3 White Win SWE Sandstrom Richard 2305.45
S4 Black Loss JPN Fukui Nobuhiro 2518.98
S5 White Win JPN Ishitani Shin-ichi 2349.47
9th Kansai Championship 1st round
Date 2013-10-27 Rating 2448.42
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2228.84
2 Black Win JPN Watanabe Nobuo 1965.47
3 White Win JPN Kubo Izumi 2033.37
4 White Win JPN Kon Akira 1925.13
51 Meijinsen Qualification Kansai area 2nd round
Date 2013-06-16 Rating 2422.74
Round Color Result Opponent
1 White Draw JPN Hata Masayuki 2183.41
2 White Loss JPN Hasegawa Kazuto 2535.88
3 Black Win JPN Matsui Tsunehiro 2118.88
ex Black Loss JPN Hata Masayuki 2183.41
51 Meijinsen Qualification Kansai area 1st round
Date 2013-05-19 Rating 2420.02
Round Color Result Opponent
1 Black Loss JPN Hata Masayuki 2183.33
2 Black Win JPN Sakamoto Hirouji 2226.50
3 Black Win JPN Kubo Izumi 2024.61
4 Black Win JPN Matsui Tsunehiro 2119.10
5 Black Win JPN Koiso Shigemasa 2088.28
8th All Japan Championship
Date 2013-03-24 Rating 2415.32
Round Color Result Opponent
1 Black Win JPN Miyagawa Junzo 2150.01
2 White Win JPN Ishitani Shin-ichi 2311.14
3 Black Loss JPN Nakamura Shigeru 2790.93
4 White Loss JPN Okabe Hiroshi 2653.61
5 Black Draw JPN Kamiya Shunsuke 2462.88
6 Black Draw JPN Sato Kiyotomi 2365.43
8th Kansai Championship 2nd round
Date 2013-02-17 Rating 2411.80
Round Color Result Opponent
1 White Win JPN Takahashi Roi 2115.06
2 White Win JPN Miyagawa Junzo 2149.68
3 White Loss JPN Hasegawa Kazuto 2526.05
ex White Loss JPN Hasegawa Kazuto 2526.05
44 Kyoto Classified Tournament
Date 2012-11-11 Rating 2404.47
Round Color Result Opponent
S1 White Loss JPN Kudomi Takahiro 2341.72
S2 White Win JPN Tamura Kazumasa 2449.85
S3 White Draw JPN Ono Takayuki 2348.01
S4 White Loss JPN Ishitani Shin-ichi 2301.16
8th Kansai Championship 1st round
Date 2012-10-08 Rating 2403.83
Round Color Result Opponent
1 White Win JPN Takahashi Roi 2109.50
2 White Win JPN Miyagawa Junzo 2148.52
3 White Loss JPN Hasegawa Kazuto 2513.88
4 White Win JPN Koiso Shigemasa 2096.52
5 White Win JPN Kon Akira 1936.20
50th Meijinsen Tournament
Date 2012-09-17 Rating 2403.11
Round Color Result Opponent
1 White Win JPN Ono Takayuki 2352.34
2 White Loss JPN Nakayama Tomoharu 2550.17
3 Black Loss JPN Yamaguchi Yusui 2563.78
4 Black Loss JPN Nagasoe Hiroki 2464.23
5 White Loss JPN Fukui Nobuhiro 2464.46
6 Black Loss JPN Nakamura Shigeru 2798.75
7 White Loss JPN Okabe Hiroshi 2635.87
8 Black Win JPN Hasegawa Kazuto 2512.29
9 White Loss JPN Matsuura Hiroshi 2289.08
50 Meijinsen Qualification Kansai area 2nd round
Date 2012-06-17 Rating 2408.77
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2255.16
2 White Loss JPN Kise Katsumi 2472.54
3 Black Win JPN Hasegawa Kazuto 2506.36
7th Kansai Championship 2nd round
Date 2012-02-19 Rating 2411.51
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2259.40
2 White Win JPN Hata Masayuki 2160.56
3 Black Loss JPN Kise Katsumi 2475.93
7th All Japan Championship
Date 2012-01-29 Rating 2411.87
Round Color Result Opponent
1 Black Win JPN Tada Ayako 2213.62
2 Black Win JPN Mitsumori Masao 2300.30
3 White Win JPN Sakamoto Hirouji 2261.78
4 White Draw JPN Nakayama Tomoharu 2526.68
5 White Loss JPN Nakamura Shigeru 2793.08
6 White Loss JPN Kudomi Takahiro 2345.00
43 Kyoto Classified Tournament
Date 2011-11-13 Rating 2411.22
Round Color Result Opponent
S1 White Loss JPN Sakamoto Hirouji 2268.00
S2 White Loss JPN Okumura Toyohiko 2275.26
S3 White Loss JPN Mano Yoshihisa 2185.61
S4 Black Win JPN Doi Manabu 2005.65
S5 White Win JPN Kubo Izumi 2033.39
49th Meijinsen Tournament
Date 2011-09-19 Rating 2418.83
Round Color Result Opponent
1 Black Win JPN Sakashita Shoichi 2080.49
2 White Win JPN Kashihara Akihiko 2197.74
3 Black Loss JPN Matsuura Hiroshi 2297.31
4 Black Draw JPN Nakayama Tomoharu 2505.37
5 Black Draw JPN Hasegawa Kazuto 2493.94
6 Black Win JPN Kubo Izumi 2038.70
7 Black Loss JPN Okabe Hiroshi 2627.46
8 White Loss JPN Yamaguchi Yusui 2561.68
9 White Win JPN Miyoshi Takeo 2097.95
World Championship BT
Date 2011-08-06 Rating 2426.21
Round Color Result Opponent
1 White Loss RUS Nikonov Konstantin 2557.40
2 White Win RUS Rachitskaya Viktoria 2195.32
3 Black Win EST Staub Rain 1863.62
4 White Win JPN Ono Takayuki 2332.39
5 White Loss EST Pajuste Renee 2403.36
6 Black Win EST Hõbemägi Martin 2342.08
7 Black Win RUS Karasyov Maxim 2558.71
8 White Win JPN Nakayama Tomoharu 2499.11
9 White Draw RUS Potapov Alexey 2536.78
49 Meijinsen Qualification Kansai area 2nd round
Date 2011-06-19 Rating 2428.62
Round Color Result Opponent
1 White Win JPN Kubo Izumi 2043.80
2 Black Draw JPN Kashihara Akihiko 2194.43
3 White Win JPN Kise Katsumi 2470.07
6th All Japan Championship
Date 2011-03-27 Rating 2430.58
Round Color Result Opponent
1 White Win JPN Miyoshi Takeo 2085.58
2 White Win JPN Kon Akira 1950.22
3 White Draw JPN Hasegawa Kazuto 2520.98
4 White Loss JPN Okabe Hiroshi 2617.56
5 White Loss JPN Tamada Yoichi 2431.14
6 White Win JPN Kawano Takahisa 2283.79
6th Kansai Championship final match
Date 2011-03-20 Rating 2430.81
Round Color Result Opponent
1 White Loss JPN Oosumi Yuuki 2659.50
2 White Loss JPN Oosumi Yuuki 2659.50
48th Meijinsen Tournament
Date 2010-09-20 Rating 2442.67
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2255.25
2 White Win JPN Tamada Yoichi 2415.20
3 Black Win JPN Matsuura Hiroshi 2281.46
4 White Draw JPN Okabe Hiroshi 2610.07
5 White Draw JPN Kawano Takahisa 2261.71
6 White Win JPN Ishitani Shin-ichi 2315.12
7 Black Loss JPN Yamaguchi Yusui 2508.57
8 White Win JPN Koiso Shigemasa 2097.99
9 White Loss JPN Oosumi Yuuki 2626.83
Team World Championship
Date 2010-05-05 Rating 2443.89
Round Color Result Opponent
3 White Win RUS Artemyev Sergey 2537.53
4 Black Loss EST Purk Andry 2577.99
5 Black Win EST Väljataga Paul 2333.31
7 White Win AZE Eibatov Nizami 2269.17
10 White Loss RUS Sumarokov Evgeny 2466.01
5th Kansai Championship final match
Date 2010-03-28 Rating 2442.93
Round Color Result Opponent
1 White Win JPN Oosumi Yuuki 2586.10
2 White Win JPN Oosumi Yuuki 2586.10
5th All Japan Championship
Date 2010-03-21 Rating 2442.03
Round Color Result Opponent
1 White Win JPN Tadokoro Hosai 1872.90
2 Black Loss JPN Nakamura Shigeru 2755.16
3 Black Win JPN Maruta Hiroki 2036.35
4 White Win KOR Kim Chang-Su 2009.74
5 Black Loss JPN Yamaguchi Yusui 2496.30
6 White Loss JPN Shimoyama Takuma 2193.75
5th Kansai Championship 3rd round
Date 2010-02-14 Rating 2440.57
Round Color Result Opponent
1 Black Win JPN Hata Masayuki 2100.99
2 White Win JPN Hasegawa Kazuto 2587.32
3 White Win JPN Sagara Takashi 2390.38
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2438.69
Round Color Result Opponent
S1 Black Win JPN Suzuki Junichiro 1872.42
S2 White Loss JPN Nakamura Shigeru 2754.82
S3 Black Loss JPN Kataoka Mitsuaki 2155.45
S4 White Draw JPN Nagao Noriaki 2337.71
S5 Black Win JPN Ono Takayuki 2315.79
5th Kansai Championship 2nd round
Date 2009-11-15 Rating 2432.61
Round Color Result Opponent
1 Black Loss JPN Koiso Shigemasa 2103.07
2 Black Win JPN Sakamoto Hirouji 2222.56
3 Black Win JPN Kon Akira 1927.01
4 Black Win JPN Miyagawa Junzo 2137.68
41 Kyoto Classified Tournament
Date 2009-11-08 Rating 2432.28
Round Color Result Opponent
S1 Black Loss JPN Hasegawa Kazuto 2596.14
S2 White Win JPN Sakamoto Hirouji 2221.85
S3 White Win JPN Kudomi Takahiro 2303.12
S4 White Win JPN Okabe Hiroshi 2586.15
S5 Black Loss JPN Okumura Toyohiko 2287.22
47th Meijinsen tournament
Date 2009-09-22 Rating 2429.10
Round Color Result Opponent
1 White Win JPN Tamura Kazumasa 2428.99
2 White Win JPN Yamaguchi Yusui 2482.50
3 Black Loss JPN Kawamura Norihiko 2552.72
4 Black Win JPN Kataoka Mitsuaki 2146.81
5 White Loss JPN Oosumi Yuuki 2567.51
6 White Draw JPN Ishitani Shin-ichi 2292.64
7 White Win JPN Matsuura Hiroshi 2247.45
8 White Loss JPN Okabe Hiroshi 2582.57
9 White Win JPN Sakamoto Hirouji 2216.05
The 6th Shanghai Renju Meijin Invitation Tournament
Date 2009-05-03 Rating 2413.09
Round Color Result Opponent
1 White Draw JPN Oosumi Yuuki 2561.05
2 Black Loss CHN Gu Wei 2455.00
3 Black Loss CHN Li Yi 2607.31
4 Black Loss CHN Yu Manjiang 2444.01
5 Black Win CHN Xu Bin 2141.05
6 White Win JPN Mitsumori Masao 2278.97
7 White Draw JPN Isobe Taizan 2336.81
4th All Japan Championship
Date 2009-03-21 Rating 2410.03
Round Color Result Opponent
1 Black Win JPN Iwano Fumio 2142.05
2 White Loss JPN Tamura Kazumasa 2425.14
3 Black Loss JPN Tamada Yoichi 2261.01
4 Black Win JPN Tanizaki Ryusuke 2040.66
5 White Win JPN Sakamoto Hirouji 2206.06
6 White Draw JPN Ishitani Shin-ichi 2293.97
4 Kansai Championship 3rd round
Date 2009-02-15 Rating 2409.69
Round Color Result Opponent
1 White Loss JPN Tamura Kazumasa 2418.66
2 Black Loss JPN Oosumi Yuuki 2552.72
3 Black Loss JPN Takashima Junya 2426.97
4th Kansai Championship, 2nd round
Date 2008-11-16 Rating 2417.34
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2197.58
2 Black Win JPN Miyagawa Junzo 2153.34
3 White Draw JPN Tamura Kazumasa 2403.20
4 White Loss JPN Takashima Junya 2426.05
46th Meijinsen Tournament
Date 2008-09-15 Rating 2423.06
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2205.94
2 Black Win JPN Oosumi Yuuki 2512.84
3 Black Loss JPN Okabe Hiroshi 2571.01
4 Black Win JPN Yamaguchi Yusui 2481.15
5 Black Win JPN Kataoka Mitsuaki 2116.24
6 Black Win JPN Hata Masayuki 2186.60
7 White Loss JPN Sato Kiyotomi 2308.71
8 Black Draw JPN Ishitani Shin-ichi 2281.40
9 Black Loss JPN Kawamura Norihiko 2565.42
46th Meijinsen Qualification Kansai area 2nd round
Date 2008-06-15 Rating 2429.33
Round Color Result Opponent
1 Black Draw JPN Miyagawa Junzo 2162.43
2 Black Win JPN Sakamoto Hirouji 2200.35
3 White Loss JPN Hata Masayuki 2198.37
Team World Championship
Date 2008-05-02 Rating 2435.27
Round Color Result Opponent
1 Black Draw CZE Laube Pavel 2376.07
2 White Win RUS Artemyev Sergey 2546.49
3 Black Win CHN Cao Dong 2588.33
4 White Loss SWE Karlsson Stefan 2501.07
5 White Loss RUS Sushkov Vladimir 2661.80
7 Black Win EST Taimla Tunnet 2691.65
8 White Draw FIN Saarenpää Samuli 2327.03
9 Black Win UKR Piddubny Konstantin 2166.02
3rd Kansai Championship 3rd round
Date 2008-01-13 Rating 2437.93
Round Color Result Opponent
1 White Win JPN Takagawa Teiji 2167.68
2 White Win JPN Tamura Kazumasa 2352.19
3 White Loss JPN Oosumi Yuuki 2481.86
The 45th Meijin-sen Tournament
Date 2007-09-17 Rating 2439.76
Round Color Result Opponent
1 White Loss JPN Isobe Taizan 2323.22
2 Black Loss JPN Miyoshi Takeo 2185.02
3 Black Loss JPN Okabe Hiroshi 2520.23
4 White Win JPN Matsuura Hiroshi 2183.26
5 White Win JPN Kawamura Norihiko 2542.72
6 Black Win JPN Sato Kiyotomi 2260.40
7 Black Win JPN Hiwatashi Kikuma 1809.11
8 White Draw JPN Oosumi Yuuki 2461.18
9 White Win JPN Yamaguchi Yusui 2533.25
World Championship AT
Date 2007-08-15 Rating 2440.47
Round Color Result Opponent
1 White Draw EST Oll Aivo 2563.99
2 Black Loss JPN Okabe Hiroshi 2514.23
3 Black Loss JPN Yamaguchi Yusui 2535.44
4 White Loss CHN Wu Di 2610.09
5 Black Loss EST Taimla Tunnet 2661.90
6 Black Win RUS Kozhin Mikhail 2501.53
7 Black Loss RUS Sushkov Vladimir 2655.52
8 White Loss RUS Savrasova Yulia 2572.57
9 White Win EST Purk Andry 2533.71
10 White Draw RUS Chingin Konstantin 2687.81
11 White Loss SWE Karlsson Stefan 2505.08
World Championship QT
Date 2007-08-08 Rating 2440.88
Round Color Result Opponent
1 Black Win JPN Ishitani Shin-ichi 2259.17
2 White Win ARM Poghosyan Albert 2299.80
3 White Draw JPN Okabe Hiroshi 2513.56
4 Black Win SWE Jonsson Peter 2258.91
5 Black Win CHN Qiu Yunfei 2399.76
6 White Win TPE Lin Huang-Yu 2445.58
7 White Win SWE Andersson Tord 2267.04
45th Meijinsen Qualification Kansai area final round
Date 2007-06-17 Rating 2435.69
Round Color Result Opponent
1 Black Win JPN Hata Masayuki 2194.32
2 Black Loss JPN Sakamoto Hirouji 2197.80
3 Black Win JPN Oosumi Yuuki 2434.45
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2427.92
Round Color Result Opponent
1 Black Loss JPN Ono Takayuki 2294.56
2 Black Win JPN Tanizaki Ryusuke 2049.24
4 White Loss JPN Isobe Taizan 2313.59
2nd Kansai Championship, Final Match
Date 2007-03-18 Rating 2427.91
Round Color Result Opponent
1 White Loss JPN Hasegawa Kazuto 2651.75
2 Black Loss JPN Hasegawa Kazuto 2651.75
2nd Kansai Championship 3rd round
Date 2007-01-14 Rating 2429.91
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2386.78
2 White Win JPN Sagara Takashi 2394.36
3 Black Draw JPN Takashima Junya 2393.79
2nd Kansai Championship 2nd round
Date 2006-10-15 Rating 2427.15
Round Color Result Opponent
1 Black Loss JPN Oosumi Yuuki 2363.01
2 Black Win JPN Doi Manabu 2008.37
3 Black Win JPN Ozawa Tetsushi 2034.05
4 Black Win JPN Takagawa Teiji 2203.57
The 44th Meijin-sen Tournament
Date 2006-09-18 Rating 2426.73
Round Color Result Opponent
1 White Draw JPN Nagao Noriaki 2228.73
2 White Loss JPN Okabe Hiroshi 2481.95
3 Black Loss JPN Kawamura Norihiko 2568.70
4 White Loss JPN Yamaguchi Yusui 2513.67
5 Black Win JPN Ishitani Shin-ichi 2242.15
6 Black Win JPN Oosumi Yuuki 2354.81
7 Black Win JPN Fujii Naoki 1977.65
8 White Win JPN Matsuura Hiroshi 2185.11
9 White Win JPN Sato Kiyotomi 2279.50
Asian Championship
Date 2006-08-15 Rating 2426.55
Round Color Result Opponent
1 White Draw JPN Kashihara Akihiko 2222.21
2 Black Win KOR Lee Jo-Sub 2286.85
3 Black Win JPN Oosumi Yuuki 2346.49
4 White Draw JPN Yamaguchi Yusui 2510.18
5 Black Win KOR Park Jeong Ho 2311.15
6 Black Loss KOR Kim Chang-Hoon 2452.60
7 Black Win JPN Ishitani Shin-ichi 2242.56
8 White Loss JPN Okabe Hiroshi 2479.75
Meijin-sen Qual, Kansai-Hokuriku area final round
Date 2006-06-18 Rating 2425.13
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2335.15
2 White Win JPN Takashima Junya 2378.57
3 White Win JPN Hata Masayuki 2202.24
Meijin-sen Qual, Kansai area 1st round
Date 2006-05-14 Rating 2421.61
Round Color Result Opponent
1 White Win JPN Okuda Shingo 1860.71
2 White Win JPN Hata Masayuki 2202.67
3 Black Win JPN Takagawa Teiji 2212.98
4 Black Win JPN Matsui Tsunehiro 2124.86
Team World Championship
Date 2006-05-05 Rating 2420.28
Round Color Result Opponent
1 White Loss FIN Pellikka Marko 2226.93
2 White Loss SWE Andersson Tord 2252.73
3 White Draw EST Oll Aivo 2546.82
4 Black Win RUS Skuridin Alexey 2333.62
5 Black Win CHN Ge Lingfeng 2303.97
6 White Loss RUS Savrasova Yulia 2543.35
7 White Win EST Sulane Sander 2019.78
F1 White Loss SWE Gaulitz Joachim 2370.25
F2 White Win SWE Andersson Tord 2252.73
1st Kansai Championship 2nd round
Date 2005-10-16 Rating 2407.20
Round Color Result Opponent
1 Black Win JPN Adachi Yasuhiro 1759.23
2 Black Win JPN Hata Masayuki 2189.75
3 White Draw JPN Takagawa Teiji 2225.36
4 Black Loss JPN Hasegawa Kazuto 2614.41
World Championship QT
Date 2005-07-31 Rating 2403.49
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2299.06
4 Black Win RUS Kozhin Mikhail 2477.19
5 Black Draw JPN Yamaguchi Yusui 2461.99
6 White Loss RUS Sushkov Vladimir 2595.90
7 White Win EST Ilu Timo 2417.37
43rd Meijinsen Qualification: Kansai area 1st round
Date 2005-05-08 Rating 2391.25
Round Color Result Opponent
1 White Win JPN Matsui Tsunehiro 2130.53
2 Black Win JPN Iwata Akihisa 2143.72
3 White Loss JPN Takashima Junya 2338.62
4 Black Loss JPN Tamura Kazumasa 2313.37
The 42nd Meijin-sen Tournament
Date 2004-09-20 Rating 2371.57
Round Color Result Opponent
1 White Win JPN Okabe Hiroshi 2421.81
2 White Loss JPN Kawamura Norihiko 2592.87
3 Black Win JPN Sakashita Shoichi 2116.07
4 White Loss JPN Ishitani Shin-ichi 2260.94
5 White Loss JPN Hasegawa Kazuto 2572.55
6 White Win JPN Saito Koji 2076.12
7 Black Loss JPN Sakamoto Hirouji 2148.28
8 White Loss JPN Matsuura Hiroshi 2246.47
9 White Win JPN Takagawa Teiji 2235.77
Team World Championship
Date 2004-05-05 Rating 2373.50
Round Color Result Opponent
1 Black Loss SWE Karlsson Stefan 2428.34
2 White Win BLR Degtyar Felix 1980.37
3 Black Loss EST Meritee Ando 2726.74
4 White Win UZB Khramov Andrey 2174.29
6 Black Win UKR Piddubny Konstantin 2084.99
7 Black Loss RUS Salnikov Pavel 2464.14
8 Black Loss RUS Kareyev Vladislav 2495.56
9 Black Draw RUS Sushkov Vladimir 2574.83
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2385.16
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2253.10
2 White Win JPN Miyagawa Junzo 2084.67
3 White Win JPN Takashima Junya 2200.39
4 White Loss JPN Kuga Akio 2264.79
5 White Loss JPN Hasegawa Kazuto 2534.60
6 Black Win JPN Kudomi Takahiro 2283.38
7 White Win JPN Ishitani Shin-ichi 2261.26
8 White Win JPN Isobe Taizan 2212.55
9 White Win JPN Okabe Hiroshi 2398.43
World Championship AT
Date 2003-08-08 Rating 2383.57
Round Color Result Opponent
1 White Draw JPN Yamaguchi Yusui 2471.01
2 White Loss EST Taimla Tunnet 2571.18
3 White Draw JPN Okabe Hiroshi 2397.30
4 White Loss RUS Chingin Konstantin 2600.96
5 White Loss EST Meritee Ando 2711.68
6 White Loss RUS Sinyov Igor 2482.89
7 White Draw SWE Karlsson Stefan 2426.71
8 White Win SWE Gaulitz Joachim 2314.16
9 White Win SWE Andersson Tord 2266.87
10 Black Win SWE Carlsson Martin 2276.89
11 Black Loss RUS Sushkov Vladimir 2578.29
World Championship QT
Date 2003-07-31 Rating 2383.19
Round Color Result Opponent
1 Black Win JPN Mitsumori Masao 2240.30
2 White Draw RUS Karasyov Maxim 2397.43
3 White Draw JPN Yamaguchi Yusui 2471.92
4 White Win TPE Chang Yi-Feng 2285.52
5 White Win JPN Ishitani Shin-ichi 2261.10
6 White Win AZE Eibatov Nizami 2281.39
7 White Draw RUS Sushkov Vladimir 2577.78
40th Meijin-sen Tournament
Date 2002-09-16 Rating 2326.49
Round Color Result Opponent
1 Black Loss JPN Takagawa Teiji 2247.87
2 Black Loss JPN Ishitani Shin-ichi 2262.93
3 Black Win JPN Okabe Hiroshi 2342.10
4 White Draw JPN Isobe Taizan 2225.77
5 White Loss JPN Hasegawa Kazuto 2516.98
6 White Loss JPN Yamaguchi Yusui 2487.02
7 Black Win JPN Nishimura Toshio 2222.94
8 Black Win JPN Kudomi Takahiro 2294.45
9 Black Win JPN Matsuura Hiroshi 2194.00
40th Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2002-06-16 Rating 2311.64
Round Color Result Opponent
1 White Win JPN Miyagawa Sou 1867.68
2 Black Win JPN Sakamoto Hirouji 2142.04
3 White Win JPN Ikeshima Wakio 1874.05
4 Black Draw JPN Miyagawa Junzo 2078.57
5 Black Draw JPN Takagawa Teiji 2247.26
Team World Championship
Date 2002-05-03 Rating 2304.42
Round Color Result Opponent
1 Black Loss EST Taimla Tunnet 2445.79
2 Black Loss RUS Dvoeglazov Vladimir 2251.42
3 Black Win UKR Drozd Olexandr 2147.63
4 White Loss SWE Carlsson Martin 2211.52
5 Black Loss SWE Gardstrom Petter 2381.85
6 White Win KOR Lee Yun-Sub 1971.18
7 White Loss RUS Semyonov Vladimir 2298.15
8 White Loss SWE Carlsson Martin 2211.52
9 White Win SWE Carlsson Martin 2211.52
The 39th Meijin-sen Tournament
Date 2001-09-24 Rating 2305.22
Round Color Result Opponent
1 White Loss JPN Kudomi Takahiro 2298.27
2 Black Win JPN Hayakawa Yoshimi 2357.04
3 White Win JPN Takagawa Teiji 2243.71
4 White Win JPN Maruyama Yasushi 2111.34
5 White Draw JPN Yamaguchi Yusui 2456.37
6 White Loss JPN Nishimura Toshio 2245.98
7 White Win JPN Matsuura Hiroshi 2175.97
8 White Loss JPN Nara Hideki 2459.74
9 White Loss JPN Hasegawa Kazuto 2501.13
World Championship BT
Date 2001-08-12 Rating 2304.97
Round Color Result Opponent
1 White Win JPN Tatsutomi Hiroyuki 2079.05
2 Black Win RUS Chernov Sergey 2207.25
3 Black Win JPN Ono Takayuki 2163.06
4 White Loss JPN Hasegawa Kazuto 2500.37
5 White Win UZB Khramov Andrey 2142.99
6 White Win JPN Sakamoto Hirouji 2156.99
7 White Loss JPN Kusajima Masato 2251.15
8 White Win JPN Kudomi Takahiro 2295.76
32-nd Kyoto Classified - Special class
Date 2000-11-12 Rating 2280.43
Round Color Result Opponent
1 White Loss JPN Nara Hideki 2481.67
2 Black Win JPN Sakamoto Hirouji 2161.17
3 Black Loss JPN Hasegawa Kazuto 2500.07
4 Black Win JPN Koiso Shigemasa 1970.43
38th Meijinsen Tournament
Date 2000-10-01 Rating 2276.59
Round Color Result Opponent
1 White Win JPN Fujinami Hisao 2122.61
2 Black Loss JPN Kudomi Takahiro 2276.19
3 White Loss JPN Hasegawa Kazuto 2499.94
4 White Loss JPN Arai Yutaka 2068.54
5 White Win JPN Nishizono Norio 2301.79
6 Black Draw JPN Hayakawa Yoshimi 2371.27
7 White Loss JPN Maruyama Yasushi 2115.84
8 Black Loss JPN Nara Hideki 2483.88
9 Black Win JPN Kusajima Masato 2224.67
Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2000-06-19 Rating 2275.19
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2167.03
2 White Loss JPN Hayakawa Yoshimi 2384.69
3 White Win JPN Takehara Kenji 1773.79
38th Meijinsen Qualification: Kansai area 1st Round
Date 2000-05-21 Rating 2274.68
Round Color Result Opponent
1 White Win JPN Tatsutomi Hiroyuki 2059.56
2 White Loss JPN Hayakawa Yoshimi 2387.69
3 Black Win JPN Matsui Tsunehiro 2166.10
4 White Win JPN Iwata Akihisa 2148.18