Iio Yoshihiro

Place: Kobe, Japan

Rating: 2318.68, Rank: 148

First game: 2000-05-21, Last game: 2020-06-21

Top rating: 2472.85 (2016-05-15)

Games: 563, Wins: 283, Draws: 68, Losses: 212

Gy1: 20, Gy2: 38, Gy5: 128

58 Meijinsen Qualification Kansai area 1st round
Date	2020-06-21		Rating	2318.68
Round	Color	Result	Opponent
1	Black	Win	Hata Masayuki	2074.49
2	Black	Loss	Sakamoto Hirouji	2198.03
3	White	Loss	Makino Mitsunori	2324.26
4	White	Win	Kito Shinichi	2150.51
5	White	Loss	Tachi Masaya	2411.14
15 Kansai Championship 2nd round
Date	2020-02-16		Rating	2328.58
Round	Color	Result	Opponent
1	White	Win	Kito Shinichi	2144.25
2	White	Win	Hayashi Shoichi	2116.59
3	Black	Loss	Makino Mitsunori	2291.29
ex	Black	Loss	Makino Mitsunori	2291.29
15th All Japan Championship
Date	2020-01-19		Rating	2332.07
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2087.67
2	Black	Loss	Nakayama Tomoharu	2745.06
3	White	Loss	Makino Mitsunori	2282.56
4	Black	Win	Fujita Maiko	2274.80
5	White	Win	Ishitani Shin-ichi	2315.74
6	White	Loss	Okabe Hiroshi	2625.89
51 Kyoto Classified Tournament
Date	2019-11-04		Rating	2339.97
Round	Color	Result	Opponent
S1	White	Win	Ozawa Tetsushi	1916.67
S2	Black	Loss	Tanaka Toshiki	2426.22
S3	Black	Win	Nishida Toshio	2000.00
S4	White	Loss	Hasegawa Kazuto	2520.33
S5	White	Loss	Kawamura Norihiko	2585.59
14 Kansai Championship final match R3
Date	2019-08-19		Rating	2351.59
Round	Color	Result	Opponent
3	Black	Loss	Hasegawa Kazuto	2519.25
57 Meijinsen Qualification Kansai area 1st round
Date	2019-05-19		Rating	2367.35
Round	Color	Result	Opponent
1	White	Win	Tanaka Toshiki	2421.79
2	White	Loss	Hasegawa Kazuto	2512.11
3	White	Loss	Tachi Masaya	2437.84
4	Black	Win	Matsui Tsunehiro	2097.44
14 Kansai Championship final match
Date	2019-05-06		Rating	2369.53
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2511.09
2	Black	Win	Hasegawa Kazuto	2511.09
14th All Japan Championship
Date	2019-03-31		Rating	2374.54
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2105.11
2	White	Loss	Nakayama Tomoharu	2722.77
3	White	Win	Chigira Makoto	2015.07
4	Black	Loss	Okabe Hiroshi	2607.00
5	Black	Win	Ishitani Shin-ichi	2327.07
6	Black	Loss	Nakamura Shigeru	2896.44
50 Kyoto Classified Tournament
Date	2018-11-11		Rating	2390.41
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2342.82
2	Black	Win	Ozawa Tetsushi	1938.92
3	Black	Loss	Sakamoto Hirouji	2212.04
4	White	Win	Fujita Maiko	2187.78
5	Black	Win	Hayashi Shoichi	2092.11
56 Meijinsen Qualification Kansai area 2nd round
Date	2018-06-17		Rating	2416.31
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2459.91
2	Black	Loss	Kawamura Norihiko	2571.22
3	Black	Loss	Hasegawa Kazuto	2503.38
12th Team World Championship
Date	2018-05-05		Rating	2427.42
Round	Color	Result	Opponent
1	White	Win	Piik Sander	2177.58
3	White	Win	Jonsson Peter	2223.29
4	White	Loss	Kozhin Mikhail	2613.91
5	White	Loss	Epifanov Dmitry	2567.92
7	Black	Win	Semyonov Oleg	2319.18
9	White	Loss	Cao Dong	2692.72
13 Kansai Championship final match
Date	2018-03-18		Rating	2439.70
Round	Color	Result	Opponent
1	White	Loss	Oosumi Yuuki	2609.26
2	Black	Win	Oosumi Yuuki	2609.26
3	White	Win	Oosumi Yuuki	2609.26
13 Kansai Championship 2nd round
Date	2018-02-18		Rating	2444.40
Round	Color	Result	Opponent
1	White	Win	Hasegawa Kazuto	2504.69
2	White	Win	Tachi Masaya	2466.27
3	Black	Win	Matsui Tsunehiro	2101.56
13th All Japan Championship
Date	2018-01-28		Rating	2446.00
Round	Color	Result	Opponent
1	Black	Draw	Ishitani Shin-ichi	2335.57
2	White	Win	Miyamoto Syunju	2196.66
3	White	Loss	Okabe Hiroshi	2623.14
4	White	Win	Sato Kiyotomi	2359.40
5	White	Loss	Kamiya Shunsuke	2705.59
6	White	Loss	Nakayama Tomoharu	2745.87
49 Kyoto Classified Tournament
Date	2017-11-12		Rating	2452.92
Round	Color	Result	Opponent
S1	White	Win	Nishida Toshio	2003.06
S2	White	Win	Hasegawa Kazuto	2513.43
S3	Black	Loss	Kawamura Norihiko	2560.77
S4	White	Win	Hata Masayuki	2120.47
S5	White	Win	Ishitani Shin-ichi	2319.45
13 Kansai Championship 1st round
Date	2017-10-22		Rating	2453.63
Round	Color	Result	Opponent
1	Black	Win	Matsui Tsunehiro	2109.35
3	White	Draw	Tachi Masaya	2462.81
4	Black	Loss	Sakamoto Hirouji	2204.09
5	White	Loss	Kawamura Norihiko	2559.45
55 Meijinsen Tournament
Date	2017-09-18		Rating	2457.38
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2704.79
2	White	Loss	Nakayama Tomoharu	2740.73
3	Black	Loss	Okabe Hiroshi	2628.52
4	White	Win	Tamada Yoichi	2429.62
5	Black	Win	Maruyama Yasushi	2214.67
6	Black	Win	Hasegawa Kazuto	2516.81
7	White	Win	Matsuura Hiroshi	2259.71
8	White	Win	Kawano Takahisa	2340.87
9	Black	Loss	Sato Kiyotomi	2375.23
55 Meijinsen Qualification Kansai area 2nd round
Date	2017-06-18		Rating	2463.57
Round	Color	Result	Opponent
1	White	Win	Tachi Masaya	2458.58
2	White	Win	Kawamura Norihiko	2543.11
3	White	Win	Hasegawa Kazuto	2526.66
12th All Japan Championship
Date	2017-03-26		Rating	2458.65
Round	Color	Result	Opponent
1	Black	Draw	Maruta Koji	2086.38
2	White	Loss	Ishitani Shin-ichi	2315.91
3	White	Win	Kusajima Masato	2212.48
4	White	Loss	Tamada Yoichi	2460.11
5	Black	Draw	Miyamoto Syunju	2176.98
6	White	Win	Ono Takayuki	2289.33
12 Kansai Championship 2nd round
Date	2017-02-19		Rating	2460.38
Round	Color	Result	Opponent
1	White	Win	Sakamoto Hirouji	2200.24
2	White	Draw	Hasegawa Kazuto	2540.78
ex	White	Loss	Hasegawa Kazuto	2540.78
48 Kyoto Classified Tournament
Date	2016-11-13		Rating	2465.88
Round	Color	Result	Opponent
SS1	Black	Loss	Kawamura Norihiko	2536.82
SS2	White	Win	Hata Masayuki	2125.62
SS4	Black	Loss	Hasegawa Kazuto	2549.89
SS5	Black	Draw	Okabe Hiroshi	2624.09
54 Meijinsen Tournament
Date	2016-09-19		Rating	2470.77
Round	Color	Result	Opponent
1	Black	Draw	Nakayama Tomoharu	2689.88
2	White	Win	Maruyama Yasushi	2219.87
3	White	Loss	Okabe Hiroshi	2629.06
4	Black	Draw	Koyama Jun	2529.90
5	Black	Win	Matsuura Hiroshi	2282.60
6	White	Draw	Kamiya Shunsuke	2663.71
7	Black	Win	Kuga Akio	2281.71
8	White	Loss	Hasegawa Kazuto	2550.77
9	Black	Win	Tanaka Toshiki	2376.60
54 Meijinsen Qualification Kansai area 2nd round
Date	2016-06-19		Rating	2472.10
Round	Color	Result	Opponent
1	Black	Win	Matsui Tsunehiro	2130.66
2	White	Loss	Tanaka Toshiki	2382.07
3	White	Win	Tachi Masaya	2410.53
54 Meijinsen Qualification Kansai area 1st round
Date	2016-05-15		Rating	2472.85
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Hirouji	2206.82
2	White	Win	Tachi Masaya	2406.03
3	Black	Win	Matsui Tsunehiro	2133.47
4	White	Win	Kawamura Norihiko	2529.99
Team World Championship
Date	2016-05-04		Rating	2472.03
Round	Color	Result	Opponent
2	Black	Loss	Pajuste Renee	2544.75
3	Black	Draw	Eriksson Bjorn	2202.35
4	Black	Loss	Sushkov Vladimir	2762.08
5	White	Win	Makarov Pavel	2513.89
6	White	Win	Chen Xin	2332.91
7	Black	Win	Feng Sheng-Yu	2009.79
9	White	Win	Lohmus Kristofer	2154.72
11 Kansai Championship Final match
Date	2016-04-03		Rating	2469.28
Round	Color	Result	Opponent
1	Black	Win	Oosumi Yuuki	2670.09
2	Black	Loss	Oosumi Yuuki	2670.09
3	White	Loss	Oosumi Yuuki	2670.09
11 Kansai Championship 2nd round
Date	2016-03-20		Rating	2467.75
Round	Color	Result	Opponent
1	Black	Win	Kashihara Akihiko	2265.62
2	Black	Win	Tachi Masaya	2402.51
3	White	Win	Sakamoto Hirouji	2204.91
11th All Japan Championship
Date	2016-01-11		Rating	2455.95
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1883.18
2	White	Loss	Nakamura Shigeru	2840.61
3	Black	Win	Mano Yoshihisa	2278.90
4	White	Loss	Nakamura Souta	2219.64
5	White	Loss	Okabe Hiroshi	2632.23
6	White	Loss	Ishitani Shin-ichi	2321.81
53 Meijinsen Tournament
Date	2015-09-22		Rating	2449.71
Round	Color	Result	Opponent
1	Black	Loss	Oosumi Yuuki	2690.20
2	White	Win	Kawamura Norihiko	2541.00
3	Black	Loss	Nakayama Tomoharu	2677.10
4	Black	Loss	Matsuura Hiroshi	2317.18
5	White	Draw	Tamada Yoichi	2491.81
6	White	Draw	Ishitani Shin-ichi	2320.02
7	White	Draw	Koyama Jun	2543.55
8	Black	Win	Okabe Hiroshi	2635.56
9	Black	Loss	Hasegawa Kazuto	2577.20
53 Meijinsen Qualification Kansai area 2nd round
Date	2015-06-21		Rating	2444.71
Round	Color	Result	Opponent
1	Black	Loss	Kawamura Norihiko	2553.54
2	White	Loss	Hasegawa Kazuto	2573.13
3	White	Win	Koiso Shigemasa	2098.44
53 Meijinsen Qualification Kansai area 1st round
Date	2015-05-17		Rating	2444.26
Round	Color	Result	Opponent
1	White	Draw	Tachi Masaya	2403.11
2	White	Win	Sakamoto Hirouji	2206.67
3	White	Win	Miyagawa Junzo	2163.93
4	Black	Draw	Kawamura Norihiko	2555.81
10 Kansai Championship final match
Date	2015-03-15		Rating	2441.28
Round	Color	Result	Opponent
1	White	Loss	Oosumi Yuuki	2717.14
2	Black	Loss	Oosumi Yuuki	2717.14
10 Kansai Championship 2nd round
Date	2015-02-15		Rating	2440.66
Round	Color	Result	Opponent
1	Black	Draw	Tachi Masaya	2399.10
2	Black	Win	Sakamoto Hirouji	2212.63
3	Black	Win	Miyagawa Junzo	2160.79
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2436.17
Round	Color	Result	Opponent
S1	Black	Win	Matsuo Toshiko	1854.02
S2	Black	Win	Sakamoto Hirouji	2219.35
S3	White	Draw	Okabe Hiroshi	2658.52
S4	White	Loss	Oosumi Yuuki	2730.29
S5	White	Loss	Kawamura Norihiko	2567.50
52 Meijinsen Tournament
Date	2014-09-15		Rating	2433.39
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2563.90
2	Black	Loss	Matsuura Hiroshi	2297.08
3	White	Loss	Oosumi Yuuki	2734.19
4	Black	Loss	Nakayama Tomoharu	2632.78
5	White	Loss	Sato Kiyotomi	2401.14
6	Black	Draw	Okabe Hiroshi	2661.41
7	Black	Loss	Tamada Yoichi	2478.88
8	Black	Draw	Kashihara Akihiko	2264.75
9	Black	Loss	Fukui Nobuhiro	2533.78
52 Meijinsen Qualification Kansai area 2nd round
Date	2014-06-15		Rating	2447.03
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2139.59
2	Black	Win	Sakamoto Hirouji	2225.31
3	White	Loss	Kashihara Akihiko	2265.90
52 Meijinsen Qualification Kansai area 1st round
Date	2014-05-18		Rating	2451.96
Round	Color	Result	Opponent
1	White	Win	Koiso Shigemasa	2093.02
2	Black	Win	Miyagawa Junzo	2139.00
3	White	Win	Kashihara Akihiko	2264.27
4	Black	Draw	Sakamoto Hirouji	2225.96
Team World Championship
Date	2014-05-03		Rating	2454.35
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2300.99
3	Black	Draw	Hõbemägi Martin	2544.39
4	Black	Win	Epifanov Dmitry	2590.00
6	Black	Win	Ono Takayuki	2300.99
8	Black	Loss	Hõbemägi Martin	2544.39
9	White	Loss	Chingin Konstantin	2774.12
9th Kansai Championship final match
Date	2014-04-06		Rating	2456.89
Round	Color	Result	Opponent
1	White	Draw	Oosumi Yuuki	2735.38
2	White	Win	Oosumi Yuuki	2735.38
3	Black	Loss	Oosumi Yuuki	2735.38
4	Black	Loss	Oosumi Yuuki	2735.38
9th Kansai Championship 2nd round
Date	2014-02-16		Rating	2458.47
Round	Color	Result	Opponent
1	White	Win	Sakamoto Hirouji	2224.65
3	Black	Win	Hasegawa Kazuto	2545.52
9th All Japan Championship
Date	2014-01-26		Rating	2457.85
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2132.44
2	White	Draw	Oosumi Yuuki	2740.53
3	Black	Win	Sato Kiyotomi	2383.85
4	White	Win	Nakayama Tomoharu	2592.73
5	Black	Loss	Okabe Hiroshi	2670.27
6	Black	Win	Ono Takayuki	2300.68
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2446.39
Round	Color	Result	Opponent
S1	Black	Win	Kawano Takahisa	2296.56
S2	White	Loss	Hasegawa Kazuto	2540.53
S3	White	Win	Sandstrom Richard	2297.95
S4	Black	Loss	Fukui Nobuhiro	2514.33
S5	White	Win	Ishitani Shin-ichi	2344.36
9th Kansai Championship 1st round
Date	2013-10-27		Rating	2444.12
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Hirouji	2225.88
2	Black	Win	Watanabe Nobuo	1963.52
3	White	Win	Kubo Izumi	2029.69
4	White	Win	Kon Akira	1921.89
51 Meijinsen Qualification Kansai area 2nd round
Date	2013-06-16		Rating	2418.48
Round	Color	Result	Opponent
1	White	Draw	Hata Masayuki	2180.48
2	White	Loss	Hasegawa Kazuto	2531.53
3	Black	Win	Matsui Tsunehiro	2117.16
ex	Black	Loss	Hata Masayuki	2180.48
51 Meijinsen Qualification Kansai area 1st round
Date	2013-05-19		Rating	2415.76
Round	Color	Result	Opponent
1	Black	Loss	Hata Masayuki	2180.37
2	Black	Win	Sakamoto Hirouji	2223.45
3	Black	Win	Kubo Izumi	2020.96
4	Black	Win	Matsui Tsunehiro	2117.35
5	Black	Win	Koiso Shigemasa	2085.83
8th All Japan Championship
Date	2013-03-24		Rating	2411.03
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2145.54
2	White	Win	Ishitani Shin-ichi	2306.34
3	Black	Loss	Nakamura Shigeru	2787.36
4	White	Loss	Okabe Hiroshi	2648.71
5	Black	Draw	Kamiya Shunsuke	2458.21
6	Black	Draw	Sato Kiyotomi	2361.12
8th Kansai Championship 2nd round
Date	2013-02-17		Rating	2407.49
Round	Color	Result	Opponent
1	White	Win	Takahashi Roi	2112.18
2	White	Win	Miyagawa Junzo	2145.27
3	White	Loss	Hasegawa Kazuto	2521.66
ex	White	Loss	Hasegawa Kazuto	2521.66
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2400.13
Round	Color	Result	Opponent
S1	White	Loss	Kudomi Takahiro	2337.09
S2	White	Win	Tamura Kazumasa	2445.21
S3	White	Draw	Ono Takayuki	2343.40
S4	White	Loss	Ishitani Shin-ichi	2296.62
8th Kansai Championship 1st round
Date	2012-10-08		Rating	2399.47
Round	Color	Result	Opponent
1	White	Win	Takahashi Roi	2106.65
2	White	Win	Miyagawa Junzo	2144.30
3	White	Loss	Hasegawa Kazuto	2509.42
4	White	Win	Koiso Shigemasa	2093.79
5	White	Win	Kon Akira	1932.98
50th Meijinsen Tournament
Date	2012-09-17		Rating	2398.74
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2347.74
2	White	Loss	Nakayama Tomoharu	2545.49
3	Black	Loss	Yamaguchi Yusui	2559.47
4	Black	Loss	Nagasoe Hiroki	2448.31
5	White	Loss	Fukui Nobuhiro	2460.04
6	Black	Loss	Nakamura Shigeru	2795.94
7	White	Loss	Okabe Hiroshi	2631.04
8	Black	Win	Hasegawa Kazuto	2507.82
9	White	Loss	Matsuura Hiroshi	2284.73
50 Meijinsen Qualification Kansai area 2nd round
Date	2012-06-17		Rating	2404.47
Round	Color	Result	Opponent
1	White	Win	Sakamoto Hirouji	2251.93
2	White	Loss	Kise Katsumi	2468.74
3	Black	Win	Hasegawa Kazuto	2501.95
7th Kansai Championship 2nd round
Date	2012-02-19		Rating	2407.27
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Hirouji	2256.08
2	White	Win	Hata Masayuki	2157.30
3	Black	Loss	Kise Katsumi	2472.08
7th All Japan Championship
Date	2012-01-29		Rating	2407.64
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2209.72
2	Black	Win	Mitsumori Masao	2296.19
3	White	Win	Sakamoto Hirouji	2258.44
4	White	Draw	Nakayama Tomoharu	2522.36
5	White	Loss	Nakamura Shigeru	2791.98
6	White	Loss	Kudomi Takahiro	2340.79
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2407.00
Round	Color	Result	Opponent
S1	White	Loss	Sakamoto Hirouji	2264.62
S2	White	Loss	Okumura Toyohiko	2271.71
S3	White	Loss	Mano Yoshihisa	2181.67
S4	Black	Win	Doi Manabu	2002.57
S5	White	Win	Kubo Izumi	2029.91
49th Meijinsen Tournament
Date	2011-09-19		Rating	2414.61
Round	Color	Result	Opponent
1	Black	Win	Sakashita Shoichi	2077.32
2	White	Win	Kashihara Akihiko	2194.29
3	Black	Loss	Matsuura Hiroshi	2293.15
4	Black	Draw	Nakayama Tomoharu	2501.18
5	Black	Draw	Hasegawa Kazuto	2489.64
6	Black	Win	Kubo Izumi	2035.22
7	Black	Loss	Okabe Hiroshi	2622.75
8	White	Loss	Yamaguchi Yusui	2557.80
9	White	Win	Miyoshi Takeo	2094.29
World Championship BT
Date	2011-08-06		Rating	2421.98
Round	Color	Result	Opponent
1	White	Loss	Nikonov Konstantin	2551.17
2	White	Win	Rachitskaya Viktoria	2190.65
3	Black	Win	Staub Rain	1857.16
4	White	Win	Ono Takayuki	2327.97
5	White	Loss	Pajuste Renee	2397.42
6	Black	Win	Hõbemägi Martin	2336.11
7	Black	Win	Karasyov Maxim	2552.37
8	White	Win	Nakayama Tomoharu	2494.95
9	White	Draw	Potapov Alexey	2529.94
49 Meijinsen Qualification Kansai area 2nd round
Date	2011-06-19		Rating	2424.44
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2040.34
2	Black	Draw	Kashihara Akihiko	2190.97
3	White	Win	Kise Katsumi	2466.00
6th All Japan Championship
Date	2011-03-27		Rating	2426.45
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2081.97
2	White	Win	Kon Akira	1947.02
3	White	Draw	Hasegawa Kazuto	2516.71
4	White	Loss	Okabe Hiroshi	2612.80
5	White	Loss	Tamada Yoichi	2427.33
6	White	Win	Kawano Takahisa	2280.29
6th Kansai Championship final match
Date	2011-03-20		Rating	2426.70
Round	Color	Result	Opponent
1	White	Loss	Oosumi Yuuki	2655.57
2	White	Loss	Oosumi Yuuki	2655.57
48th Meijinsen Tournament
Date	2010-09-20		Rating	2438.68
Round	Color	Result	Opponent
1	White	Win	Sakamoto Hirouji	2251.75
2	White	Win	Tamada Yoichi	2411.49
3	Black	Win	Matsuura Hiroshi	2277.42
4	White	Draw	Okabe Hiroshi	2605.00
5	White	Draw	Kawano Takahisa	2258.24
6	White	Win	Ishitani Shin-ichi	2311.24
7	Black	Loss	Yamaguchi Yusui	2505.02
8	White	Win	Koiso Shigemasa	2094.79
9	White	Loss	Oosumi Yuuki	2623.02
Team World Championship
Date	2010-05-05		Rating	2439.98
Round	Color	Result	Opponent
3	White	Win	Artemyev Sergey	2531.86
4	Black	Loss	Purk Andry	2573.02
5	Black	Win	Väljataga Paul	2327.90
7	White	Win	Eibatov Nizami	2264.99
10	White	Loss	Sumarokov Evgeny	2460.18
5th Kansai Championship final match
Date	2010-03-28		Rating	2439.06
Round	Color	Result	Opponent
1	White	Win	Oosumi Yuuki	2582.37
2	White	Win	Oosumi Yuuki	2582.37
5th All Japan Championship
Date	2010-03-21		Rating	2438.17
Round	Color	Result	Opponent
1	White	Win	Tadokoro Hosai	1869.88
2	Black	Loss	Nakamura Shigeru	2765.15
3	Black	Win	Maruta Hiroki	2033.02
4	White	Win	Kim Chang-Su	2006.22
5	Black	Loss	Yamaguchi Yusui	2492.97
6	White	Loss	Shimoyama Takuma	2190.58
5th Kansai Championship 3rd round
Date	2010-02-14		Rating	2436.72
Round	Color	Result	Opponent
1	Black	Win	Hata Masayuki	2097.62
2	White	Win	Hasegawa Kazuto	2583.01
3	White	Win	Sagara Takashi	2387.03
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2434.84
Round	Color	Result	Opponent
S1	Black	Win	Suzuki Junichiro	1869.27
S2	White	Loss	Nakamura Shigeru	2766.61
S3	Black	Loss	Kataoka Mitsuaki	2152.77
S4	White	Draw	Nagao Noriaki	2333.71
S5	Black	Win	Ono Takayuki	2311.94
5th Kansai Championship 2nd round
Date	2009-11-15		Rating	2428.72
Round	Color	Result	Opponent
1	Black	Loss	Koiso Shigemasa	2099.86
2	Black	Win	Sakamoto Hirouji	2219.03
3	Black	Win	Kon Akira	1923.97
4	Black	Win	Miyagawa Junzo	2134.22
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2428.39
Round	Color	Result	Opponent
S1	Black	Loss	Hasegawa Kazuto	2591.84
S2	White	Win	Sakamoto Hirouji	2218.32
S3	White	Win	Kudomi Takahiro	2299.45
S4	White	Win	Okabe Hiroshi	2578.52
S5	Black	Loss	Okumura Toyohiko	2283.79
47th Meijinsen tournament
Date	2009-09-22		Rating	2425.19
Round	Color	Result	Opponent
1	White	Win	Tamura Kazumasa	2425.34
2	White	Win	Yamaguchi Yusui	2479.36
3	Black	Loss	Kawamura Norihiko	2548.87
4	Black	Win	Kataoka Mitsuaki	2144.01
5	White	Loss	Oosumi Yuuki	2563.69
6	White	Draw	Ishitani Shin-ichi	2288.70
7	White	Win	Matsuura Hiroshi	2243.45
8	White	Loss	Okabe Hiroshi	2574.26
9	White	Win	Sakamoto Hirouji	2212.52
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2409.15
Round	Color	Result	Opponent
1	White	Draw	Oosumi Yuuki	2557.30
2	Black	Loss	Gu Wei	2451.03
3	Black	Loss	Li Yi	2603.47
4	Black	Loss	Yu Manjiang	2440.62
5	Black	Win	Xu Bin	2137.77
6	White	Win	Mitsumori Masao	2275.42
7	White	Draw	Isobe Taizan	2333.67
4th All Japan Championship
Date	2009-03-21		Rating	2406.07
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2138.75
2	White	Loss	Tamura Kazumasa	2421.77
3	Black	Loss	Tamada Yoichi	2257.53
4	Black	Win	Tanizaki Ryusuke	2037.35
5	White	Win	Sakamoto Hirouji	2202.58
6	White	Draw	Ishitani Shin-ichi	2290.03
4 Kansai Championship 3rd round
Date	2009-02-15		Rating	2405.71
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2415.27
2	Black	Loss	Oosumi Yuuki	2548.96
3	Black	Loss	Takashima Junya	2423.20
4th Kansai Championship, 2nd round
Date	2008-11-16		Rating	2413.29
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Hirouji	2194.10
2	Black	Win	Miyagawa Junzo	2149.88
3	White	Draw	Tamura Kazumasa	2399.81
4	White	Loss	Takashima Junya	2422.28
46th Meijinsen Tournament
Date	2008-09-15		Rating	2418.95
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2201.94
2	Black	Win	Oosumi Yuuki	2508.95
3	Black	Loss	Okabe Hiroshi	2556.92
4	Black	Win	Yamaguchi Yusui	2478.82
5	Black	Win	Kataoka Mitsuaki	2113.35
6	Black	Win	Hata Masayuki	2183.19
7	White	Loss	Sato Kiyotomi	2304.97
8	Black	Draw	Ishitani Shin-ichi	2277.48
9	Black	Loss	Kawamura Norihiko	2562.13
46th Meijinsen Qualification Kansai area 2nd round
Date	2008-06-15		Rating	2425.17
Round	Color	Result	Opponent
1	Black	Draw	Miyagawa Junzo	2158.97
2	Black	Win	Sakamoto Hirouji	2196.88
3	White	Loss	Hata Masayuki	2194.99
Team World Championship
Date	2008-05-02		Rating	2431.09
Round	Color	Result	Opponent
1	Black	Draw	Laube Pavel	2372.05
2	White	Win	Artemyev Sergey	2541.71
3	Black	Win	Cao Dong	2584.57
4	White	Loss	Karlsson Stefan	2496.26
5	White	Loss	Sushkov Vladimir	2657.27
7	Black	Win	Taimla Tunnet	2687.19
8	White	Draw	Saarenpää Samuli	2319.65
9	Black	Win	Piddubny Konstantin	2161.59
3rd Kansai Championship 3rd round
Date	2008-01-13		Rating	2433.73
Round	Color	Result	Opponent
1	White	Win	Takagawa Teiji	2164.29
2	White	Win	Tamura Kazumasa	2348.82
3	White	Loss	Oosumi Yuuki	2477.94
The 45th Meijin-sen Tournament
Date	2007-09-17		Rating	2435.52
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2319.95
2	Black	Loss	Miyoshi Takeo	2181.52
3	Black	Loss	Okabe Hiroshi	2505.36
4	White	Win	Matsuura Hiroshi	2179.31
5	White	Win	Kawamura Norihiko	2539.74
6	Black	Win	Sato Kiyotomi	2256.64
7	Black	Win	Hiwatashi Kikuma	1807.86
8	White	Draw	Oosumi Yuuki	2457.24
9	White	Win	Yamaguchi Yusui	2532.61
World Championship AT
Date	2007-08-15		Rating	2436.23
Round	Color	Result	Opponent
1	White	Draw	Oll Aivo	2559.52
2	Black	Loss	Okabe Hiroshi	2499.47
3	Black	Loss	Yamaguchi Yusui	2535.08
4	White	Loss	Wu Di	2606.39
5	Black	Loss	Taimla Tunnet	2657.48
6	Black	Win	Kozhin Mikhail	2496.90
7	Black	Loss	Sushkov Vladimir	2650.90
8	White	Loss	Savrasova Yulia	2568.06
9	White	Win	Purk Andry	2529.24
10	White	Draw	Chingin Konstantin	2683.26
11	White	Loss	Karlsson Stefan	2500.47
World Championship QT
Date	2007-08-08		Rating	2436.65
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2255.38
2	White	Win	Poghosyan Albert	2295.21
3	White	Draw	Okabe Hiroshi	2498.74
4	Black	Win	Jonsson Peter	2254.84
5	Black	Win	Qiu Yunfei	2396.01
6	White	Win	Lin Huang-Yu	2441.40
7	White	Win	Andersson Tord	2262.85
45th Meijinsen Qualification Kansai area final round
Date	2007-06-17		Rating	2431.55
Round	Color	Result	Opponent
1	Black	Win	Hata Masayuki	2191.06
2	Black	Loss	Sakamoto Hirouji	2194.34
3	Black	Win	Oosumi Yuuki	2430.62
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2423.92
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2291.16
2	Black	Win	Tanizaki Ryusuke	2046.25
4	White	Loss	Isobe Taizan	2310.37
2nd Kansai Championship, Final Match
Date	2007-03-18		Rating	2423.93
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2648.54
2	Black	Loss	Hasegawa Kazuto	2648.54
2nd Kansai Championship 3rd round
Date	2007-01-14		Rating	2426.02
Round	Color	Result	Opponent
1	Black	Win	Oosumi Yuuki	2383.17
2	White	Win	Sagara Takashi	2391.16
3	Black	Draw	Takashima Junya	2390.14
2nd Kansai Championship 2nd round
Date	2006-10-15		Rating	2423.38
Round	Color	Result	Opponent
1	Black	Loss	Oosumi Yuuki	2359.50
2	Black	Win	Doi Manabu	2005.77
3	Black	Win	Ozawa Tetsushi	2031.50
4	Black	Win	Takagawa Teiji	2200.23
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2422.99
Round	Color	Result	Opponent
1	White	Draw	Nagao Noriaki	2225.08
2	White	Loss	Okabe Hiroshi	2465.48
3	Black	Loss	Kawamura Norihiko	2566.54
4	White	Loss	Yamaguchi Yusui	2519.25
5	Black	Win	Ishitani Shin-ichi	2238.51
6	Black	Win	Oosumi Yuuki	2351.33
7	Black	Win	Fujii Naoki	1975.35
8	White	Win	Matsuura Hiroshi	2181.29
9	White	Win	Sato Kiyotomi	2275.85
Asian Championship
Date	2006-08-15		Rating	2422.86
Round	Color	Result	Opponent
1	White	Draw	Kashihara Akihiko	2219.19
2	Black	Win	Lee Jo-Sub	2284.42
3	Black	Win	Oosumi Yuuki	2343.06
4	White	Draw	Yamaguchi Yusui	2516.69
5	Black	Win	Park Jeong Ho	2308.50
6	Black	Loss	Kim Chang-Hoon	2449.79
7	Black	Win	Ishitani Shin-ichi	2238.94
8	White	Loss	Okabe Hiroshi	2463.16
Meijin-sen Qual, Kansai-Hokuriku area final round
Date	2006-06-18		Rating	2421.51
Round	Color	Result	Opponent
1	Black	Win	Oosumi Yuuki	2331.79
2	White	Win	Takashima Junya	2375.05
3	White	Win	Hata Masayuki	2199.12
Meijin-sen Qual, Kansai area 1st round
Date	2006-05-14		Rating	2418.03
Round	Color	Result	Opponent
1	White	Win	Okuda Shingo	1858.51
2	White	Win	Hata Masayuki	2199.57
3	Black	Win	Takagawa Teiji	2209.64
4	Black	Win	Matsui Tsunehiro	2122.35
Team World Championship
Date	2006-05-05		Rating	2416.71
Round	Color	Result	Opponent
1	White	Loss	Pellikka Marko	2223.36
2	White	Loss	Andersson Tord	2248.89
3	White	Draw	Oll Aivo	2542.83
4	Black	Win	Skuridin Alexey	2326.17
5	Black	Win	Ge Lingfeng	2300.97
6	White	Loss	Savrasova Yulia	2539.27
7	White	Win	Sulane Sander	2015.94
F1	White	Loss	Gaulitz Joachim	2366.48
F2	White	Win	Andersson Tord	2248.89
1st Kansai Championship 2nd round
Date	2005-10-16		Rating	2403.95
Round	Color	Result	Opponent
1	Black	Win	Adachi Yasuhiro	1757.04
2	Black	Win	Hata Masayuki	2186.76
3	White	Draw	Takagawa Teiji	2222.02
4	Black	Loss	Hasegawa Kazuto	2612.06
World Championship QT
Date	2005-07-31		Rating	2400.35
Round	Color	Result	Opponent
1	Black	Win	Oosumi Yuuki	2296.18
4	Black	Win	Kozhin Mikhail	2473.07
5	Black	Draw	Yamaguchi Yusui	2479.65
6	White	Loss	Sushkov Vladimir	2591.52
7	White	Win	Ilu Timo	2413.49
43rd Meijinsen Qualification: Kansai area 1st round
Date	2005-05-08		Rating	2388.08
Round	Color	Result	Opponent
1	White	Win	Matsui Tsunehiro	2128.03
2	Black	Win	Iwata Akihisa	2141.48
3	White	Loss	Takashima Junya	2335.35
4	Black	Loss	Tamura Kazumasa	2310.23
The 42nd Meijin-sen Tournament
Date	2004-09-20		Rating	2368.28
Round	Color	Result	Opponent
1	White	Win	Okabe Hiroshi	2400.33
2	White	Loss	Kawamura Norihiko	2593.23
3	Black	Win	Sakashita Shoichi	2112.46
4	White	Loss	Ishitani Shin-ichi	2257.15
5	White	Loss	Hasegawa Kazuto	2570.89
6	White	Win	Saito Koji	2072.41
7	Black	Loss	Sakamoto Hirouji	2144.91
8	White	Loss	Matsuura Hiroshi	2242.78
9	White	Win	Takagawa Teiji	2232.37
Team World Championship
Date	2004-05-05		Rating	2370.37
Round	Color	Result	Opponent
1	Black	Loss	Karlsson Stefan	2425.31
2	White	Win	Degtyar Felix	1978.37
3	Black	Loss	Meritee Ando	2723.35
4	White	Win	Khramov Andrey	2170.98
6	Black	Win	Piddubny Konstantin	2082.49
7	Black	Loss	Salnikov Pavel	2461.01
8	Black	Loss	Kareyev Vladislav	2492.50
9	Black	Draw	Sushkov Vladimir	2571.30
41st Meijin-sen Tournament
Date	2003-09-15		Rating	2382.29
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2249.83
2	White	Win	Miyagawa Junzo	2081.66
3	White	Win	Takashima Junya	2197.14
4	White	Loss	Kuga Akio	2261.79
5	White	Loss	Hasegawa Kazuto	2533.93
6	Black	Win	Kudomi Takahiro	2280.46
7	White	Win	Ishitani Shin-ichi	2257.91
8	White	Win	Isobe Taizan	2209.61
9	White	Win	Okabe Hiroshi	2387.99
World Championship AT
Date	2003-08-08		Rating	2380.78
Round	Color	Result	Opponent
1	White	Draw	Yamaguchi Yusui	2476.29
2	White	Loss	Taimla Tunnet	2568.15
3	White	Draw	Okabe Hiroshi	2387.50
4	White	Loss	Chingin Konstantin	2598.16
5	White	Loss	Meritee Ando	2708.69
6	White	Loss	Sinyov Igor	2479.47
7	White	Draw	Karlsson Stefan	2424.02
8	White	Win	Gaulitz Joachim	2311.35
9	White	Win	Andersson Tord	2263.91
10	Black	Win	Carlsson Martin	2274.07
11	Black	Loss	Sushkov Vladimir	2575.33
World Championship QT
Date	2003-07-31		Rating	2380.41
Round	Color	Result	Opponent
1	Black	Win	Mitsumori Masao	2237.43
2	White	Draw	Karasyov Maxim	2394.61
3	White	Draw	Yamaguchi Yusui	2477.09
4	White	Win	Chang Yi-Feng	2283.49
5	White	Win	Ishitani Shin-ichi	2257.84
6	White	Win	Eibatov Nizami	2278.65
7	White	Draw	Sushkov Vladimir	2574.83
40th Meijin-sen Tournament
Date	2002-09-16		Rating	2324.07
Round	Color	Result	Opponent
1	Black	Loss	Takagawa Teiji	2245.32
2	Black	Loss	Ishitani Shin-ichi	2260.11
3	Black	Win	Okabe Hiroshi	2335.40
4	White	Draw	Isobe Taizan	2223.14
5	White	Loss	Hasegawa Kazuto	2516.71
6	White	Loss	Yamaguchi Yusui	2489.76
7	Black	Win	Nishimura Toshio	2221.38
8	Black	Win	Kudomi Takahiro	2291.95
9	Black	Win	Matsuura Hiroshi	2191.28
40th Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date	2002-06-16		Rating	2309.32
Round	Color	Result	Opponent
1	White	Win	Miyagawa Sou	1865.81
2	Black	Win	Sakamoto Hirouji	2139.24
3	White	Win	Ikeshima Wakio	1873.77
4	Black	Draw	Miyagawa Junzo	2075.78
5	Black	Draw	Takagawa Teiji	2244.81
Team World Championship
Date	2002-05-03		Rating	2302.15
Round	Color	Result	Opponent
1	Black	Loss	Taimla Tunnet	2443.09
2	Black	Loss	Dvoeglazov Vladimir	2250.07
3	Black	Win	Drozd Olexandr	2145.45
4	White	Loss	Carlsson Martin	2209.11
5	Black	Loss	Gardstrom Petter	2379.28
6	White	Win	Lee Yun-Sub	1969.31
7	White	Loss	Semyonov Vladimir	2296.32
8	White	Loss	Carlsson Martin	2209.11
9	White	Win	Carlsson Martin	2209.11
The 39th Meijin-sen Tournament
Date	2001-09-24		Rating	2303.16
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2296.14
2	Black	Win	Hayakawa Yoshimi	2355.66
3	White	Win	Takagawa Teiji	2241.52
4	White	Win	Maruyama Yasushi	2109.65
5	White	Draw	Yamaguchi Yusui	2458.13
6	White	Loss	Nishimura Toshio	2244.70
7	White	Win	Matsuura Hiroshi	2173.69
8	White	Loss	Nara Hideki	2458.02
9	White	Loss	Hasegawa Kazuto	2500.87
World Championship BT
Date	2001-08-12		Rating	2302.92
Round	Color	Result	Opponent
1	White	Win	Tatsutomi Hiroyuki	2075.21
2	Black	Win	Chernov Sergey	2204.89
3	Black	Win	Ono Takayuki	2160.72
4	White	Loss	Hasegawa Kazuto	2500.03
5	White	Win	Khramov Andrey	2140.29
6	White	Win	Sakamoto Hirouji	2154.34
7	White	Loss	Kusajima Masato	2249.04
8	White	Win	Kudomi Takahiro	2293.65
32-nd Kyoto Classified - Special class
Date	2000-11-12		Rating	2278.51
Round	Color	Result	Opponent
1	White	Loss	Nara Hideki	2480.23
2	Black	Win	Sakamoto Hirouji	2158.60
3	Black	Loss	Hasegawa Kazuto	2499.63
4	Black	Win	Koiso Shigemasa	1968.07
38th Meijinsen Tournament
Date	2000-10-01		Rating	2274.70
Round	Color	Result	Opponent
1	White	Win	Fujinami Hisao	2121.31
2	Black	Loss	Kudomi Takahiro	2274.25
3	White	Loss	Hasegawa Kazuto	2499.38
4	White	Loss	Arai Yutaka	2067.11
5	White	Win	Nishizono Norio	2300.49
6	Black	Draw	Hayakawa Yoshimi	2369.87
7	White	Loss	Maruyama Yasushi	2114.32
8	Black	Loss	Nara Hideki	2482.48
9	Black	Win	Kusajima Masato	2222.74
Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date	2000-06-19		Rating	2273.30
Round	Color	Result	Opponent
1	White	Win	Sakamoto Hirouji	2164.50
2	White	Loss	Hayakawa Yoshimi	2383.29
3	White	Win	Takehara Kenji	1772.57
38th Meijinsen Qualification: Kansai area 1st Round
Date	2000-05-21		Rating	2272.79
Round	Color	Result	Opponent
1	White	Win	Tatsutomi Hiroyuki	2056.23
2	White	Loss	Hayakawa Yoshimi	2386.29
3	Black	Win	Matsui Tsunehiro	2164.01
4	White	Win	Iwata Akihisa	2146.28