JPN Iio Yoshihiro

Place: Kobe, Japan

Rating: 2364.51, Rank: 130

First game: 2000-05-21, Last game: 2020-02-16

Top rating: 2471.38 (2016-05-15)

Games: 557, Wins: 281, Draws: 68, Losses: 208

Gy1: 27, Gy2: 41, Gy5: 138

15 Kansai Championship 2nd round
Date 2020-02-16 Rating 2364.51
Round Color Result Opponent
1 White Win JPN Kito Shinichi 2080.91
2 White Win JPN Hayashi Shoichi 2064.39
3 Black Loss JPN Makino Mitsunori 2153.61
15th All Japan Championship
Date 2020-01-19 Rating 2365.46
Round Color Result Opponent
1 White Win JPN Hata Masayuki 2122.05
2 Black Loss JPN Nakayama Tomoharu 2745.49
3 White Loss JPN Makino Mitsunori 2152.48
4 Black Win JPN Fujita Maiko 2225.62
5 White Win JPN Ishitani Shin-ichi 2293.02
6 White Loss JPN Okabe Hiroshi 2631.81
51 Kyoto Classified Tournament
Date 2019-11-04 Rating 2368.88
Round Color Result Opponent
S1 White Win JPN Ozawa Tetsushi 1913.84
S2 Black Loss JPN Tanaka Toshiki 2426.04
S3 Black Win JPN Nishida Toshio 1999.03
S4 White Loss JPN Hasegawa Kazuto 2543.40
S5 White Loss JPN Kawamura Norihiko 2591.32
14 Kansai Championship final match R3
Date 2019-08-19 Rating 2376.51
Round Color Result Opponent
3 Black Loss JPN Hasegawa Kazuto 2538.85
57 Meijinsen Qualification Kansai area 1st round
Date 2019-05-19 Rating 2387.56
Round Color Result Opponent
1 White Win JPN Tanaka Toshiki 2421.66
2 White Loss JPN Hasegawa Kazuto 2528.43
3 White Loss JPN Tachi Masaya 2465.40
4 Black Win JPN Matsui Tsunehiro 2088.48
14 Kansai Championship final match
Date 2019-05-06 Rating 2389.12
Round Color Result Opponent
1 White Loss JPN Hasegawa Kazuto 2526.99
2 Black Win JPN Hasegawa Kazuto 2526.99
14th All Japan Championship
Date 2019-03-31 Rating 2392.43
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2081.57
2 White Loss JPN Nakayama Tomoharu 2721.66
3 White Win JPN Chigira Makoto 2010.37
4 Black Loss JPN Okabe Hiroshi 2608.37
5 Black Win JPN Ishitani Shin-ichi 2313.94
6 Black Loss JPN Nakamura Shigeru 2896.29
50 Kyoto Classified Tournament
Date 2018-11-11 Rating 2402.96
Round Color Result Opponent
1 White Loss JPN Ishitani Shin-ichi 2333.34
2 Black Win JPN Ozawa Tetsushi 1934.56
3 Black Loss JPN Sakamoto Hirouji 2196.42
4 White Win JPN Fujita Maiko 2165.93
5 Black Win JPN Hayashi Shoichi 2057.27
56 Meijinsen Qualification Kansai area 2nd round
Date 2018-06-17 Rating 2424.70
Round Color Result Opponent
1 Black Loss JPN Tachi Masaya 2473.52
2 Black Loss JPN Kawamura Norihiko 2574.91
3 Black Loss JPN Hasegawa Kazuto 2511.07
12th Team World Championship
Date 2018-05-05 Rating 2434.59
Round Color Result Opponent
1 White Win EST Piik Sander 2166.65
3 White Win SWE Jonsson Peter 2213.36
4 White Loss RUS Kozhin Mikhail 2607.61
5 White Loss RUS Epifanov Dmitry 2561.05
7 Black Win RUS Semyonov Oleg 2318.94
9 White Loss CHN Cao Dong 2695.12
13 Kansai Championship final match
Date 2018-03-18 Rating 2445.78
Round Color Result Opponent
1 White Loss JPN Oosumi Yuuki 2608.97
2 Black Win JPN Oosumi Yuuki 2608.97
3 White Win JPN Oosumi Yuuki 2608.97
13 Kansai Championship 2nd round
Date 2018-02-18 Rating 2449.91
Round Color Result Opponent
1 White Win JPN Hasegawa Kazuto 2510.55
2 White Win JPN Tachi Masaya 2475.45
3 Black Win JPN Matsui Tsunehiro 2094.61
13th All Japan Championship
Date 2018-01-28 Rating 2451.07
Round Color Result Opponent
1 Black Draw JPN Ishitani Shin-ichi 2330.36
2 White Win JPN Miyamoto Syunju 2196.11
3 White Loss JPN Okabe Hiroshi 2621.48
4 White Win JPN Sato Kiyotomi 2355.72
5 White Loss JPN Kamiya Shunsuke 2706.60
6 White Loss JPN Nakayama Tomoharu 2743.31
49 Kyoto Classified Tournament
Date 2017-11-12 Rating 2456.66
Round Color Result Opponent
S1 White Win JPN Nishida Toshio 2000.14
S2 White Win JPN Hasegawa Kazuto 2517.78
S3 Black Loss JPN Kawamura Norihiko 2563.23
S4 White Win JPN Hata Masayuki 2128.69
S5 White Win JPN Ishitani Shin-ichi 2314.89
13 Kansai Championship 1st round
Date 2017-10-22 Rating 2457.03
Round Color Result Opponent
1 Black Win JPN Matsui Tsunehiro 2102.89
3 White Draw JPN Tachi Masaya 2468.31
4 Black Loss JPN Sakamoto Hirouji 2194.37
5 White Loss JPN Kawamura Norihiko 2561.80
55 Meijinsen Tournament
Date 2017-09-18 Rating 2460.26
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2704.35
2 White Loss JPN Nakayama Tomoharu 2737.77
3 Black Loss JPN Okabe Hiroshi 2626.24
4 White Win JPN Tamada Yoichi 2413.93
5 Black Win JPN Maruyama Yasushi 2207.01
6 Black Win JPN Hasegawa Kazuto 2520.38
7 White Win JPN Matsuura Hiroshi 2256.22
8 White Win JPN Kawano Takahisa 2346.54
9 Black Loss JPN Sato Kiyotomi 2371.49
55 Meijinsen Qualification Kansai area 2nd round
Date 2017-06-18 Rating 2465.46
Round Color Result Opponent
1 White Win JPN Tachi Masaya 2461.25
2 White Win JPN Kawamura Norihiko 2544.83
3 White Win JPN Hasegawa Kazuto 2529.36
12th All Japan Championship
Date 2017-03-26 Rating 2459.62
Round Color Result Opponent
1 Black Draw JPN Maruta Koji 2083.50
2 White Loss JPN Ishitani Shin-ichi 2312.01
3 White Win JPN Kusajima Masato 2210.92
4 White Loss JPN Tamada Yoichi 2448.08
5 Black Draw JPN Miyamoto Syunju 2175.57
6 White Win JPN Ono Takayuki 2283.93
12 Kansai Championship 2nd round
Date 2017-02-19 Rating 2461.07
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2192.97
2 White Draw JPN Hasegawa Kazuto 2542.41
ex White Loss JPN Hasegawa Kazuto 2542.41
48 Kyoto Classified Tournament
Date 2016-11-13 Rating 2465.81
Round Color Result Opponent
SS1 Black Loss JPN Kawamura Norihiko 2537.53
SS2 White Win JPN Hata Masayuki 2129.51
SS4 Black Loss JPN Hasegawa Kazuto 2550.77
SS5 Black Draw JPN Okabe Hiroshi 2621.38
54 Meijinsen Tournament
Date 2016-09-19 Rating 2470.27
Round Color Result Opponent
1 Black Draw JPN Nakayama Tomoharu 2686.72
2 White Win JPN Maruyama Yasushi 2215.48
3 White Loss JPN Okabe Hiroshi 2626.27
4 Black Draw JPN Koyama Jun 2526.51
5 Black Win JPN Matsuura Hiroshi 2279.69
6 White Draw JPN Kamiya Shunsuke 2661.49
7 Black Win JPN Kuga Akio 2292.26
8 White Loss JPN Hasegawa Kazuto 2551.26
9 Black Win JPN Tanaka Toshiki 2376.27
54 Meijinsen Qualification Kansai area 2nd round
Date 2016-06-19 Rating 2470.90
Round Color Result Opponent
1 Black Win JPN Matsui Tsunehiro 2125.61
2 White Loss JPN Tanaka Toshiki 2381.80
3 White Win JPN Tachi Masaya 2409.11
54 Meijinsen Qualification Kansai area 1st round
Date 2016-05-15 Rating 2471.38
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2201.14
2 White Win JPN Tachi Masaya 2404.25
3 Black Win JPN Matsui Tsunehiro 2128.48
4 White Win JPN Kawamura Norihiko 2529.91
Team World Championship
Date 2016-05-04 Rating 2470.48
Round Color Result Opponent
2 Black Loss EST Pajuste Renee 2539.02
3 Black Draw SWE Eriksson Bjorn 2193.71
4 Black Loss RUS Sushkov Vladimir 2756.90
5 White Win RUS Makarov Pavel 2506.66
6 White Win CHN Chen Xin 2322.39
7 Black Win TPE Feng Sheng-Yu 2004.93
9 White Win EST Lohmus Kristofer 2144.62
11 Kansai Championship Final match
Date 2016-04-03 Rating 2467.60
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2668.34
2 Black Loss JPN Oosumi Yuuki 2668.34
3 White Loss JPN Oosumi Yuuki 2668.34
11 Kansai Championship 2nd round
Date 2016-03-20 Rating 2466.01
Round Color Result Opponent
1 Black Win JPN Kashihara Akihiko 2261.30
2 Black Win JPN Tachi Masaya 2400.33
3 White Win JPN Sakamoto Hirouji 2199.45
11th All Japan Championship
Date 2016-01-11 Rating 2453.96
Round Color Result Opponent
1 White Win JPN Suzuki Rin 1879.81
2 White Loss JPN Nakamura Shigeru 2837.62
3 Black Win JPN Mano Yoshihisa 2273.67
4 White Loss JPN Nakamura Souta 2215.66
5 White Loss JPN Okabe Hiroshi 2628.85
6 White Loss JPN Ishitani Shin-ichi 2317.70
53 Meijinsen Tournament
Date 2015-09-22 Rating 2447.39
Round Color Result Opponent
1 Black Loss JPN Oosumi Yuuki 2687.97
2 White Win JPN Kawamura Norihiko 2540.01
3 Black Loss JPN Nakayama Tomoharu 2673.40
4 Black Loss JPN Matsuura Hiroshi 2314.12
5 White Draw JPN Tamada Yoichi 2485.65
6 White Draw JPN Ishitani Shin-ichi 2315.81
7 White Draw JPN Koyama Jun 2539.70
8 Black Win JPN Okabe Hiroshi 2632.02
9 Black Loss JPN Hasegawa Kazuto 2575.73
53 Meijinsen Qualification Kansai area 2nd round
Date 2015-06-21 Rating 2442.19
Round Color Result Opponent
1 Black Loss JPN Kawamura Norihiko 2552.38
2 White Loss JPN Hasegawa Kazuto 2571.44
3 White Win JPN Koiso Shigemasa 2093.52
53 Meijinsen Qualification Kansai area 1st round
Date 2015-05-17 Rating 2441.66
Round Color Result Opponent
1 White Draw JPN Tachi Masaya 2399.67
2 White Win JPN Sakamoto Hirouji 2202.05
3 White Win JPN Miyagawa Junzo 2159.63
4 Black Draw JPN Kawamura Norihiko 2554.59
10 Kansai Championship final match
Date 2015-03-15 Rating 2438.55
Round Color Result Opponent
1 White Loss JPN Oosumi Yuuki 2714.57
2 Black Loss JPN Oosumi Yuuki 2714.57
10 Kansai Championship 2nd round
Date 2015-02-15 Rating 2437.87
Round Color Result Opponent
1 Black Draw JPN Tachi Masaya 2395.65
2 Black Win JPN Sakamoto Hirouji 2208.18
3 Black Win JPN Miyagawa Junzo 2156.61
46 Kyoto Classified Tournament
Date 2014-11-09 Rating 2433.21
Round Color Result Opponent
S1 Black Win JPN Matsuo Toshiko 1851.38
S2 Black Win JPN Sakamoto Hirouji 2215.06
S3 White Draw JPN Okabe Hiroshi 2655.04
S4 White Loss JPN Oosumi Yuuki 2727.51
S5 White Loss JPN Kawamura Norihiko 2566.06
52 Meijinsen Tournament
Date 2014-09-15 Rating 2430.33
Round Color Result Opponent
1 Black Loss JPN Hasegawa Kazuto 2561.56
2 Black Loss JPN Matsuura Hiroshi 2293.89
3 White Loss JPN Oosumi Yuuki 2731.34
4 Black Loss JPN Nakayama Tomoharu 2629.00
5 White Loss JPN Sato Kiyotomi 2397.60
6 Black Draw JPN Okabe Hiroshi 2657.95
7 Black Loss JPN Tamada Yoichi 2474.16
8 Black Draw JPN Kashihara Akihiko 2260.92
9 Black Loss JPN Fukui Nobuhiro 2530.32
52 Meijinsen Qualification Kansai area 2nd round
Date 2014-06-15 Rating 2443.84
Round Color Result Opponent
1 White Win JPN Miyagawa Junzo 2135.60
2 Black Win JPN Sakamoto Hirouji 2221.15
3 White Loss JPN Kashihara Akihiko 2262.09
52 Meijinsen Qualification Kansai area 1st round
Date 2014-05-18 Rating 2448.73
Round Color Result Opponent
1 White Win JPN Koiso Shigemasa 2088.54
2 Black Win JPN Miyagawa Junzo 2135.02
3 White Win JPN Kashihara Akihiko 2260.47
4 Black Draw JPN Sakamoto Hirouji 2221.83
Team World Championship
Date 2014-05-03 Rating 2451.11
Round Color Result Opponent
1 Black Win JPN Ono Takayuki 2297.15
3 Black Draw EST Hõbemägi Martin 2539.19
4 Black Win RUS Epifanov Dmitry 2584.59
6 Black Win JPN Ono Takayuki 2297.15
8 Black Loss EST Hõbemägi Martin 2539.19
9 White Loss RUS Chingin Konstantin 2771.16
9th Kansai Championship final match
Date 2014-04-06 Rating 2453.63
Round Color Result Opponent
1 White Draw JPN Oosumi Yuuki 2732.39
2 White Win JPN Oosumi Yuuki 2732.39
3 Black Loss JPN Oosumi Yuuki 2732.39
4 Black Loss JPN Oosumi Yuuki 2732.39
9th Kansai Championship 2nd round
Date 2014-02-16 Rating 2455.19
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2220.56
3 Black Win JPN Hasegawa Kazuto 2542.89
9th All Japan Championship
Date 2014-01-26 Rating 2454.57
Round Color Result Opponent
1 White Win JPN Miyagawa Junzo 2128.51
2 White Draw JPN Oosumi Yuuki 2737.56
3 Black Win JPN Sato Kiyotomi 2380.43
4 White Win JPN Nakayama Tomoharu 2588.90
5 Black Loss JPN Okabe Hiroshi 2666.84
6 Black Win JPN Ono Takayuki 2296.95
45 Kyoto Classified Tournament
Date 2013-11-10 Rating 2443.08
Round Color Result Opponent
S1 Black Win JPN Kawano Takahisa 2296.45
S2 White Loss JPN Hasegawa Kazuto 2537.78
S3 White Win SWE Sandstrom Richard 2292.42
S4 Black Loss JPN Fukui Nobuhiro 2510.94
S5 White Win JPN Ishitani Shin-ichi 2340.66
9th Kansai Championship 1st round
Date 2013-10-27 Rating 2440.81
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2221.85
2 Black Win JPN Watanabe Nobuo 1960.38
3 White Win JPN Kubo Izumi 2026.15
4 White Win JPN Kon Akira 1918.38
51 Meijinsen Qualification Kansai area 2nd round
Date 2013-06-16 Rating 2415.11
Round Color Result Opponent
1 White Draw JPN Hata Masayuki 2177.93
2 White Loss JPN Hasegawa Kazuto 2528.66
3 Black Win JPN Matsui Tsunehiro 2112.72
ex Black Loss JPN Hata Masayuki 2177.93
51 Meijinsen Qualification Kansai area 1st round
Date 2013-05-19 Rating 2412.38
Round Color Result Opponent
1 Black Loss JPN Hata Masayuki 2177.77
2 Black Win JPN Sakamoto Hirouji 2219.46
3 Black Win JPN Kubo Izumi 2017.39
4 Black Win JPN Matsui Tsunehiro 2112.91
5 Black Win JPN Koiso Shigemasa 2081.64
8th All Japan Championship
Date 2013-03-24 Rating 2407.63
Round Color Result Opponent
1 Black Win JPN Miyagawa Junzo 2141.75
2 White Win JPN Ishitani Shin-ichi 2302.78
3 Black Loss JPN Nakamura Shigeru 2784.11
4 White Loss JPN Okabe Hiroshi 2645.18
5 Black Draw JPN Kamiya Shunsuke 2454.80
6 Black Draw JPN Sato Kiyotomi 2357.79
8th Kansai Championship 2nd round
Date 2013-02-17 Rating 2404.08
Round Color Result Opponent
1 White Win JPN Takahashi Roi 2108.68
2 White Win JPN Miyagawa Junzo 2141.51
3 White Loss JPN Hasegawa Kazuto 2518.70
ex White Loss JPN Hasegawa Kazuto 2518.70
44 Kyoto Classified Tournament
Date 2012-11-11 Rating 2396.68
Round Color Result Opponent
S1 White Loss JPN Kudomi Takahiro 2333.34
S2 White Win JPN Tamura Kazumasa 2443.51
S3 White Draw JPN Ono Takayuki 2339.94
S4 White Loss JPN Ishitani Shin-ichi 2293.15
8th Kansai Championship 1st round
Date 2012-10-08 Rating 2396.01
Round Color Result Opponent
1 White Win JPN Takahashi Roi 2103.13
2 White Win JPN Miyagawa Junzo 2140.63
3 White Loss JPN Hasegawa Kazuto 2506.38
4 White Win JPN Koiso Shigemasa 2089.75
5 White Win JPN Kon Akira 1929.36
50th Meijinsen Tournament
Date 2012-09-17 Rating 2395.27
Round Color Result Opponent
1 White Win JPN Ono Takayuki 2344.30
2 White Loss JPN Nakayama Tomoharu 2541.43
3 Black Loss JPN Yamaguchi Yusui 2556.23
4 Black Loss JPN Nagasoe Hiroki 2446.46
5 White Loss JPN Fukui Nobuhiro 2456.76
6 Black Loss JPN Nakamura Shigeru 2792.72
7 White Loss JPN Okabe Hiroshi 2627.39
8 Black Win JPN Hasegawa Kazuto 2504.77
9 White Loss JPN Matsuura Hiroshi 2281.43
50 Meijinsen Qualification Kansai area 2nd round
Date 2012-06-17 Rating 2400.93
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2247.97
2 White Loss JPN Kise Katsumi 2464.87
3 Black Win JPN Hasegawa Kazuto 2498.87
7th Kansai Championship 2nd round
Date 2012-02-19 Rating 2403.66
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2252.19
2 White Win JPN Hata Masayuki 2154.15
3 Black Loss JPN Kise Katsumi 2468.23
7th All Japan Championship
Date 2012-01-29 Rating 2404.01
Round Color Result Opponent
1 Black Win JPN Tada Ayako 2206.40
2 Black Win JPN Mitsumori Masao 2292.56
3 White Win JPN Sakamoto Hirouji 2254.56
4 White Draw JPN Nakayama Tomoharu 2518.39
5 White Loss JPN Nakamura Shigeru 2788.71
6 White Loss JPN Kudomi Takahiro 2337.16
43 Kyoto Classified Tournament
Date 2011-11-13 Rating 2403.33
Round Color Result Opponent
S1 White Loss JPN Sakamoto Hirouji 2260.78
S2 White Loss JPN Okumura Toyohiko 2268.58
S3 White Loss JPN Mano Yoshihisa 2178.54
S4 Black Win JPN Doi Manabu 1999.12
S5 White Win JPN Kubo Izumi 2026.35
49th Meijinsen Tournament
Date 2011-09-19 Rating 2410.89
Round Color Result Opponent
1 Black Win JPN Sakashita Shoichi 2075.15
2 White Win JPN Kashihara Akihiko 2190.65
3 Black Loss JPN Matsuura Hiroshi 2289.77
4 Black Draw JPN Nakayama Tomoharu 2497.46
5 Black Draw JPN Hasegawa Kazuto 2486.53
6 Black Win JPN Kubo Izumi 2031.69
7 Black Loss JPN Okabe Hiroshi 2619.35
8 White Loss JPN Yamaguchi Yusui 2554.47
9 White Win JPN Miyoshi Takeo 2091.12
World Championship BT
Date 2011-08-06 Rating 2418.22
Round Color Result Opponent
1 White Loss RUS Nikonov Konstantin 2546.29
2 White Win RUS Rachitskaya Viktoria 2173.26
3 Black Win EST Staub Rain 1851.88
4 White Win JPN Ono Takayuki 2324.60
5 White Loss EST Pajuste Renee 2393.10
6 Black Win EST Hõbemägi Martin 2332.48
7 Black Win RUS Karasyov Maxim 2547.74
8 White Win JPN Nakayama Tomoharu 2491.30
9 White Draw RUS Potapov Alexey 2525.49
49 Meijinsen Qualification Kansai area 2nd round
Date 2011-06-19 Rating 2420.68
Round Color Result Opponent
1 White Win JPN Kubo Izumi 2036.83
2 Black Draw JPN Kashihara Akihiko 2187.31
3 White Win JPN Kise Katsumi 2462.30
6th All Japan Championship
Date 2011-03-27 Rating 2422.72
Round Color Result Opponent
1 White Win JPN Miyoshi Takeo 2078.80
2 White Win JPN Kon Akira 1943.58
3 White Draw JPN Hasegawa Kazuto 2513.61
4 White Loss JPN Okabe Hiroshi 2609.40
5 White Loss JPN Tamada Yoichi 2423.93
6 White Win JPN Kawano Takahisa 2278.21
6th Kansai Championship final match
Date 2011-03-20 Rating 2422.96
Round Color Result Opponent
1 White Loss JPN Oosumi Yuuki 2652.55
2 White Loss JPN Oosumi Yuuki 2652.55
48th Meijinsen Tournament
Date 2010-09-20 Rating 2434.90
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2248.02
2 White Win JPN Tamada Yoichi 2408.22
3 Black Win JPN Matsuura Hiroshi 2273.96
4 White Draw JPN Okabe Hiroshi 2601.52
5 White Draw JPN Kawano Takahisa 2256.11
6 White Win JPN Ishitani Shin-ichi 2307.93
7 Black Loss JPN Yamaguchi Yusui 2501.56
8 White Win JPN Koiso Shigemasa 2090.96
9 White Loss JPN Oosumi Yuuki 2619.69
Team World Championship
Date 2010-05-05 Rating 2436.13
Round Color Result Opponent
3 White Win RUS Artemyev Sergey 2527.54
4 Black Loss EST Purk Andry 2569.15
5 Black Win EST Väljataga Paul 2323.47
7 White Win AZE Eibatov Nizami 2259.24
10 White Loss RUS Sumarokov Evgeny 2455.51
5th Kansai Championship final match
Date 2010-03-28 Rating 2435.20
Round Color Result Opponent
1 White Win JPN Oosumi Yuuki 2578.79
2 White Win JPN Oosumi Yuuki 2578.79
5th All Japan Championship
Date 2010-03-21 Rating 2434.31
Round Color Result Opponent
1 White Win JPN Tadokoro Hosai 1866.43
2 Black Loss JPN Nakamura Shigeru 2761.27
3 Black Win JPN Maruta Hiroki 2029.80
4 White Win KOR Kim Chang-Su 2003.16
5 Black Loss JPN Yamaguchi Yusui 2489.42
6 White Loss JPN Shimoyama Takuma 2187.44
5th Kansai Championship 3rd round
Date 2010-02-14 Rating 2432.85
Round Color Result Opponent
1 Black Win JPN Hata Masayuki 2093.99
2 White Win JPN Hasegawa Kazuto 2579.96
3 White Win JPN Sagara Takashi 2382.29
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2430.96
Round Color Result Opponent
S1 Black Win JPN Suzuki Junichiro 1868.69
S2 White Loss JPN Nakamura Shigeru 2762.70
S3 Black Loss JPN Kataoka Mitsuaki 2152.09
S4 White Draw JPN Nagao Noriaki 2330.41
S5 Black Win JPN Ono Takayuki 2308.60
5th Kansai Championship 2nd round
Date 2009-11-15 Rating 2424.78
Round Color Result Opponent
1 Black Loss JPN Koiso Shigemasa 2095.88
2 Black Win JPN Sakamoto Hirouji 2215.28
3 Black Win JPN Kon Akira 1920.83
4 Black Win JPN Miyagawa Junzo 2130.71
41 Kyoto Classified Tournament
Date 2009-11-08 Rating 2424.45
Round Color Result Opponent
S1 Black Loss JPN Hasegawa Kazuto 2588.71
S2 White Win JPN Sakamoto Hirouji 2214.57
S3 White Win JPN Kudomi Takahiro 2296.05
S4 White Win JPN Okabe Hiroshi 2574.98
S5 Black Loss JPN Okumura Toyohiko 2280.74
47th Meijinsen tournament
Date 2009-09-22 Rating 2421.20
Round Color Result Opponent
1 White Win JPN Tamura Kazumasa 2421.97
2 White Win JPN Yamaguchi Yusui 2475.73
3 Black Loss JPN Kawamura Norihiko 2547.36
4 Black Win JPN Kataoka Mitsuaki 2143.02
5 White Loss JPN Oosumi Yuuki 2559.91
6 White Draw JPN Ishitani Shin-ichi 2285.09
7 White Win JPN Matsuura Hiroshi 2239.86
8 White Loss JPN Okabe Hiroshi 2570.72
9 White Win JPN Sakamoto Hirouji 2208.77
The 6th Shanghai Renju Meijin Invitation Tournament
Date 2009-05-03 Rating 2404.92
Round Color Result Opponent
1 White Draw JPN Oosumi Yuuki 2553.31
2 Black Loss CHN Gu Wei 2442.89
3 Black Loss CHN Li Yi 2593.98
4 Black Loss CHN Yu Manjiang 2431.45
5 Black Win CHN Xu Bin 2119.81
6 White Win JPN Mitsumori Masao 2270.21
7 White Draw JPN Isobe Taizan 2328.85
4th All Japan Championship
Date 2009-03-21 Rating 2401.87
Round Color Result Opponent
1 Black Win JPN Iwano Fumio 2135.60
2 White Loss JPN Tamura Kazumasa 2418.22
3 Black Loss JPN Tamada Yoichi 2254.74
4 Black Win JPN Tanizaki Ryusuke 2034.17
5 White Win JPN Sakamoto Hirouji 2198.70
6 White Draw JPN Ishitani Shin-ichi 2286.27
4 Kansai Championship 3rd round
Date 2009-02-15 Rating 2401.52
Round Color Result Opponent
1 White Loss JPN Tamura Kazumasa 2411.71
2 Black Loss JPN Oosumi Yuuki 2545.00
3 Black Loss JPN Takashima Junya 2419.00
4th Kansai Championship, 2nd round
Date 2008-11-16 Rating 2409.12
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2190.09
2 Black Win JPN Miyagawa Junzo 2146.24
3 White Draw JPN Tamura Kazumasa 2396.23
4 White Loss JPN Takashima Junya 2418.06
46th Meijinsen Tournament
Date 2008-09-15 Rating 2414.79
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2198.11
2 Black Win JPN Oosumi Yuuki 2505.03
3 Black Loss JPN Okabe Hiroshi 2553.89
4 Black Win JPN Yamaguchi Yusui 2474.88
5 Black Win JPN Kataoka Mitsuaki 2111.95
6 Black Win JPN Hata Masayuki 2179.27
7 White Loss JPN Sato Kiyotomi 2301.35
8 Black Draw JPN Ishitani Shin-ichi 2273.53
9 Black Loss JPN Kawamura Norihiko 2559.27
46th Meijinsen Qualification Kansai area 2nd round
Date 2008-06-15 Rating 2420.97
Round Color Result Opponent
1 Black Draw JPN Miyagawa Junzo 2155.28
2 Black Win JPN Sakamoto Hirouji 2192.71
3 White Loss JPN Hata Masayuki 2190.97
Team World Championship
Date 2008-05-02 Rating 2426.87
Round Color Result Opponent
1 Black Draw CZE Laube Pavel 2368.95
2 White Win RUS Artemyev Sergey 2537.36
3 Black Win CHN Cao Dong 2579.20
4 White Loss SWE Karlsson Stefan 2492.69
5 White Loss RUS Sushkov Vladimir 2653.10
7 Black Win EST Taimla Tunnet 2683.28
8 White Draw FIN Saarenpää Samuli 2315.71
9 Black Win UKR Piddubny Konstantin 2153.75
3rd Kansai Championship 3rd round
Date 2008-01-13 Rating 2429.46
Round Color Result Opponent
1 White Win JPN Takagawa Teiji 2159.73
2 White Win JPN Tamura Kazumasa 2345.25
3 White Loss JPN Oosumi Yuuki 2474.03
The 45th Meijin-sen Tournament
Date 2007-09-17 Rating 2431.20
Round Color Result Opponent
1 White Loss JPN Isobe Taizan 2315.22
2 Black Loss JPN Miyoshi Takeo 2177.22
3 Black Loss JPN Okabe Hiroshi 2501.53
4 White Win JPN Matsuura Hiroshi 2175.14
5 White Win JPN Kawamura Norihiko 2535.88
6 Black Win JPN Sato Kiyotomi 2252.74
7 Black Win JPN Hiwatashi Kikuma 1807.14
8 White Draw JPN Oosumi Yuuki 2453.34
9 White Win JPN Yamaguchi Yusui 2528.22
World Championship AT
Date 2007-08-15 Rating 2431.88
Round Color Result Opponent
1 White Draw EST Oll Aivo 2555.63
2 Black Loss JPN Okabe Hiroshi 2495.56
3 Black Loss JPN Yamaguchi Yusui 2530.63
4 White Loss CHN Wu Di 2599.55
5 Black Loss EST Taimla Tunnet 2653.53
6 Black Win RUS Kozhin Mikhail 2492.58
7 Black Loss RUS Sushkov Vladimir 2646.67
8 White Loss RUS Savrasova Yulia 2563.80
9 White Win EST Purk Andry 2525.30
10 White Draw RUS Chingin Konstantin 2679.13
11 White Loss SWE Karlsson Stefan 2497.35
World Championship QT
Date 2007-08-08 Rating 2432.30
Round Color Result Opponent
1 Black Win JPN Ishitani Shin-ichi 2250.76
2 White Win ARM Poghosyan Albert 2293.91
3 White Draw JPN Okabe Hiroshi 2494.82
4 Black Win SWE Jonsson Peter 2251.33
5 Black Win CHN Qiu Yunfei 2389.65
6 White Win TPE Lin Huang-Yu 2437.84
7 White Win SWE Andersson Tord 2259.32
45th Meijinsen Qualification Kansai area final round
Date 2007-06-17 Rating 2427.15
Round Color Result Opponent
1 Black Win JPN Hata Masayuki 2186.67
2 Black Loss JPN Sakamoto Hirouji 2189.70
3 Black Win JPN Oosumi Yuuki 2426.69
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2419.43
Round Color Result Opponent
1 Black Loss JPN Ono Takayuki 2288.46
2 Black Win JPN Tanizaki Ryusuke 2043.02
4 White Loss JPN Isobe Taizan 2305.56
2nd Kansai Championship, Final Match
Date 2007-03-18 Rating 2419.43
Round Color Result Opponent
1 White Loss JPN Hasegawa Kazuto 2644.16
2 Black Loss JPN Hasegawa Kazuto 2644.16
2nd Kansai Championship 3rd round
Date 2007-01-14 Rating 2421.44
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2379.13
2 White Win JPN Sagara Takashi 2385.90
3 Black Draw JPN Takashima Junya 2385.47
2nd Kansai Championship 2nd round
Date 2006-10-15 Rating 2418.69
Round Color Result Opponent
1 Black Loss JPN Oosumi Yuuki 2355.41
2 Black Win JPN Doi Manabu 2002.21
3 Black Win JPN Ozawa Tetsushi 2028.27
4 Black Win JPN Takagawa Teiji 2195.36
The 44th Meijin-sen Tournament
Date 2006-09-18 Rating 2418.26
Round Color Result Opponent
1 White Draw JPN Nagao Noriaki 2222.03
2 White Loss JPN Okabe Hiroshi 2461.24
3 Black Loss JPN Kawamura Norihiko 2561.75
4 White Loss JPN Yamaguchi Yusui 2514.57
5 Black Win JPN Ishitani Shin-ichi 2232.85
6 Black Win JPN Oosumi Yuuki 2347.23
7 Black Win JPN Fujii Naoki 1974.68
8 White Win JPN Matsuura Hiroshi 2176.77
9 White Win JPN Sato Kiyotomi 2271.83
Asian Championship
Date 2006-08-15 Rating 2418.07
Round Color Result Opponent
1 White Draw JPN Kashihara Akihiko 2214.28
2 Black Win KOR Lee Jo-Sub 2280.71
3 Black Win JPN Oosumi Yuuki 2338.96
4 White Draw JPN Yamaguchi Yusui 2511.98
5 Black Win KOR Park Jeong Ho 2303.04
6 Black Loss KOR Kim Chang-Hoon 2443.85
7 Black Win JPN Ishitani Shin-ichi 2233.12
8 White Loss JPN Okabe Hiroshi 2458.91
Meijin-sen Qual, Kansai-Hokuriku area final round
Date 2006-06-18 Rating 2416.62
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2327.70
2 White Win JPN Takashima Junya 2370.18
3 White Win JPN Hata Masayuki 2194.30
Meijin-sen Qual, Kansai area 1st round
Date 2006-05-14 Rating 2413.08
Round Color Result Opponent
1 White Win JPN Okuda Shingo 1854.81
2 White Win JPN Hata Masayuki 2194.70
3 Black Win JPN Takagawa Teiji 2204.61
4 Black Win JPN Matsui Tsunehiro 2115.57
Team World Championship
Date 2006-05-05 Rating 2411.74
Round Color Result Opponent
1 White Loss FIN Pellikka Marko 2219.67
2 White Loss SWE Andersson Tord 2245.60
3 White Draw EST Oll Aivo 2538.98
4 Black Win RUS Skuridin Alexey 2322.28
5 Black Win CHN Ge Lingfeng 2292.19
6 White Loss RUS Savrasova Yulia 2534.65
7 White Win EST Sulane Sander 2010.99
F1 White Loss SWE Gaulitz Joachim 2362.91
F2 White Win SWE Andersson Tord 2245.60
1st Kansai Championship 2nd round
Date 2005-10-16 Rating 2398.56
Round Color Result Opponent
1 Black Win JPN Adachi Yasuhiro 1769.53
2 Black Win JPN Hata Masayuki 2181.62
3 White Draw JPN Takagawa Teiji 2216.79
4 Black Loss JPN Hasegawa Kazuto 2607.07
World Championship QT
Date 2005-07-31 Rating 2394.78
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2292.32
4 Black Win RUS Kozhin Mikhail 2468.73
5 Black Draw JPN Yamaguchi Yusui 2475.11
6 White Loss RUS Sushkov Vladimir 2586.84
7 White Win EST Ilu Timo 2415.89
43rd Meijinsen Qualification: Kansai area 1st round
Date 2005-05-08 Rating 2382.20
Round Color Result Opponent
1 White Win JPN Matsui Tsunehiro 2120.32
2 Black Win JPN Iwata Akihisa 2109.48
3 White Loss JPN Takashima Junya 2330.27
4 Black Loss JPN Tamura Kazumasa 2307.07
The 42nd Meijin-sen Tournament
Date 2004-09-20 Rating 2361.89
Round Color Result Opponent
1 White Win JPN Okabe Hiroshi 2394.96
2 White Loss JPN Kawamura Norihiko 2586.15
3 Black Win JPN Sakashita Shoichi 2108.36
4 White Loss JPN Ishitani Shin-ichi 2245.15
5 White Loss JPN Hasegawa Kazuto 2565.52
6 White Win JPN Saito Koji 2067.38
7 Black Loss JPN Sakamoto Hirouji 2138.64
8 White Loss JPN Matsuura Hiroshi 2237.21
9 White Win JPN Takagawa Teiji 2226.55
Team World Championship
Date 2004-05-05 Rating 2363.68
Round Color Result Opponent
1 Black Loss SWE Karlsson Stefan 2422.80
2 White Win BLR Degtyar Felix 1962.58
3 Black Loss EST Meritee Ando 2716.59
4 White Win UZB Khramov Andrey 2132.29
6 Black Win UKR Piddubny Konstantin 2056.13
7 Black Loss RUS Salnikov Pavel 2453.44
8 Black Loss RUS Kareyev Vladislav 2485.83
9 Black Draw RUS Sushkov Vladimir 2564.49
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2375.90
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2243.95
2 White Win JPN Miyagawa Junzo 2076.83
3 White Win JPN Takashima Junya 2191.79
4 White Loss JPN Kuga Akio 2257.56
5 White Loss JPN Hasegawa Kazuto 2528.37
6 Black Win JPN Kudomi Takahiro 2276.92
7 White Win JPN Ishitani Shin-ichi 2238.37
8 White Win JPN Isobe Taizan 2206.79
9 White Win JPN Okabe Hiroshi 2382.03
World Championship AT
Date 2003-08-08 Rating 2374.43
Round Color Result Opponent
1 White Draw JPN Yamaguchi Yusui 2472.18
2 White Loss EST Taimla Tunnet 2561.64
3 White Draw JPN Okabe Hiroshi 2381.50
4 White Loss RUS Chingin Konstantin 2592.84
5 White Loss EST Meritee Ando 2701.18
6 White Loss RUS Sinyov Igor 2471.60
7 White Draw SWE Karlsson Stefan 2419.47
8 White Win SWE Gaulitz Joachim 2307.97
9 White Win SWE Andersson Tord 2262.07
10 Black Win SWE Carlsson Martin 2280.82
11 Black Loss RUS Sushkov Vladimir 2565.96
World Championship QT
Date 2003-07-31 Rating 2374.06
Round Color Result Opponent
1 Black Win JPN Mitsumori Masao 2223.82
2 White Draw RUS Karasyov Maxim 2393.14
3 White Draw JPN Yamaguchi Yusui 2473.00
4 White Win TPE Chang Yi-Feng 2285.14
5 White Win JPN Ishitani Shin-ichi 2236.56
6 White Win AZE Eibatov Nizami 2268.96
7 White Draw RUS Sushkov Vladimir 2565.34
40th Meijin-sen Tournament
Date 2002-09-16 Rating 2317.85
Round Color Result Opponent
1 Black Loss JPN Takagawa Teiji 2238.53
2 Black Loss JPN Ishitani Shin-ichi 2241.20
3 Black Win JPN Okabe Hiroshi 2328.49
4 White Draw JPN Isobe Taizan 2222.30
5 White Loss JPN Hasegawa Kazuto 2510.97
6 White Loss JPN Yamaguchi Yusui 2485.07
7 Black Win JPN Nishimura Toshio 2215.38
8 Black Win JPN Kudomi Takahiro 2287.61
9 Black Win JPN Matsuura Hiroshi 2185.32
40th Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2002-06-16 Rating 2303.17
Round Color Result Opponent
1 White Win JPN Miyagawa Sou 1862.60
2 Black Win JPN Sakamoto Hirouji 2126.61
3 White Win JPN Ikeshima Wakio 1873.01
4 Black Draw JPN Miyagawa Junzo 2071.25
5 Black Draw JPN Takagawa Teiji 2237.89
Team World Championship
Date 2002-05-03 Rating 2296.05
Round Color Result Opponent
1 Black Loss EST Taimla Tunnet 2436.51
2 Black Loss RUS Dvoeglazov Vladimir 2245.28
3 Black Win UKR Drozd Olexandr 2139.17
4 White Loss SWE Carlsson Martin 2215.11
5 Black Loss SWE Gardstrom Petter 2372.33
6 White Win KOR Lee Yun-Sub 1965.33
7 White Loss RUS Semyonov Vladimir 2297.75
8 White Loss SWE Carlsson Martin 2215.11
9 White Win SWE Carlsson Martin 2215.11
The 39th Meijin-sen Tournament
Date 2001-09-24 Rating 2296.31
Round Color Result Opponent
1 White Loss JPN Kudomi Takahiro 2291.37
2 Black Win JPN Hayakawa Yoshimi 2342.41
3 White Win JPN Takagawa Teiji 2234.23
4 White Win JPN Maruyama Yasushi 2105.18
5 White Draw JPN Yamaguchi Yusui 2453.41
6 White Loss JPN Nishimura Toshio 2238.97
7 White Win JPN Matsuura Hiroshi 2167.93
8 White Loss JPN Nara Hideki 2462.62
9 White Loss JPN Hasegawa Kazuto 2495.07
World Championship BT
Date 2001-08-12 Rating 2295.87
Round Color Result Opponent
1 White Win JPN Tatsutomi Hiroyuki 2045.70
2 Black Win RUS Chernov Sergey 2242.98
3 Black Win JPN Ono Takayuki 2160.16
4 White Loss JPN Hasegawa Kazuto 2494.22
5 White Win UZB Khramov Andrey 2090.97
6 White Win JPN Sakamoto Hirouji 2136.85
7 White Loss JPN Kusajima Masato 2245.50
8 White Win JPN Kudomi Takahiro 2288.84
32-nd Kyoto Classified - Special class
Date 2000-11-12 Rating 2270.23
Round Color Result Opponent
1 White Loss JPN Nara Hideki 2495.28
2 Black Win JPN Sakamoto Hirouji 2134.72
3 Black Loss JPN Hasegawa Kazuto 2493.39
4 Black Win JPN Koiso Shigemasa 1956.96
38th Meijinsen Tournament
Date 2000-10-01 Rating 2266.21
Round Color Result Opponent
1 White Win JPN Fujinami Hisao 2117.42
2 Black Loss JPN Kudomi Takahiro 2269.56
3 White Loss JPN Hasegawa Kazuto 2493.11
4 White Loss JPN Arai Yutaka 2063.34
5 White Win JPN Nishizono Norio 2293.57
6 Black Draw JPN Hayakawa Yoshimi 2354.00
7 White Loss JPN Maruyama Yasushi 2110.03
8 Black Loss JPN Nara Hideki 2499.11
9 Black Win JPN Kusajima Masato 2219.00
Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2000-06-19 Rating 2263.95
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2136.98
2 White Loss JPN Hayakawa Yoshimi 2365.61
3 White Win JPN Takehara Kenji 1747.47
38th Meijinsen Qualification: Kansai area 1st Round
Date 2000-05-21 Rating 2263.29
Round Color Result Opponent
1 White Win JPN Tatsutomi Hiroyuki 2019.76
2 White Loss JPN Hayakawa Yoshimi 2368.08
3 Black Win JPN Matsui Tsunehiro 2154.68
4 White Win JPN Iwata Akihisa 2098.41