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