Iio Yoshihiro

Place: Kobe, Japan

Rating: 2376.79, Rank: 124

First game: 2000-05-21, Last game: 2020-01-19

Top rating: 2470.58 (2016-05-15)

Games: 554, Wins: 279, Draws: 68, Losses: 207

Gy1: 24, Gy2: 41, Gy5: 137

15th All Japan Championship
Date	2020-01-19		Rating	2376.79
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2119.05
2	Black	Loss	Nakayama Tomoharu	2742.22
3	White	Loss	Makino Mitsunori	2131.72
4	Black	Win	Fujita Maiko	2219.02
5	White	Win	Ishitani Shin-ichi	2271.42
6	White	Loss	Okabe Hiroshi	2628.05
51 Kyoto Classified Tournament
Date	2019-11-04		Rating	2378.36
Round	Color	Result	Opponent
S1	White	Win	Ozawa Tetsushi	1912.34
S2	Black	Loss	Tanaka Toshiki	2425.49
S3	Black	Win	Nishida Toshio	1997.62
S4	White	Loss	Hasegawa Kazuto	2542.20
S5	White	Loss	Kawamura Norihiko	2589.55
14 Kansai Championship final match R3
Date	2019-08-19		Rating	2384.40
Round	Color	Result	Opponent
3	Black	Loss	Hasegawa Kazuto	2537.66
57 Meijinsen Qualification Kansai area 1st round
Date	2019-05-19		Rating	2393.62
Round	Color	Result	Opponent
1	White	Win	Tanaka Toshiki	2421.02
2	White	Loss	Hasegawa Kazuto	2527.30
3	White	Loss	Tachi Masaya	2464.07
4	Black	Win	Matsui Tsunehiro	2087.23
14 Kansai Championship final match
Date	2019-05-06		Rating	2394.95
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2525.86
2	Black	Win	Hasegawa Kazuto	2525.86
14th All Japan Championship
Date	2019-03-31		Rating	2397.68
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2077.70
2	White	Loss	Nakayama Tomoharu	2718.65
3	White	Win	Chigira Makoto	2007.97
4	Black	Loss	Okabe Hiroshi	2605.10
5	Black	Win	Ishitani Shin-ichi	2305.31
6	Black	Loss	Nakamura Shigeru	2893.48
50 Kyoto Classified Tournament
Date	2018-11-11		Rating	2406.42
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2327.86
2	Black	Win	Ozawa Tetsushi	1933.00
3	Black	Loss	Sakamoto Hirouji	2194.03
4	White	Win	Fujita Maiko	2161.31
5	Black	Win	Hayashi Shoichi	2054.16
56 Meijinsen Qualification Kansai area 2nd round
Date	2018-06-17		Rating	2426.63
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2472.21
2	Black	Loss	Kawamura Norihiko	2573.38
3	Black	Loss	Hasegawa Kazuto	2509.83
12th Team World Championship
Date	2018-05-05		Rating	2436.11
Round	Color	Result	Opponent
1	White	Win	Piik Sander	2164.96
3	White	Win	Jonsson Peter	2211.70
4	White	Loss	Kozhin Mikhail	2606.64
5	White	Loss	Epifanov Dmitry	2557.55
7	Black	Win	Semyonov Oleg	2318.29
9	White	Loss	Cao Dong	2692.43
13 Kansai Championship final match
Date	2018-03-18		Rating	2446.92
Round	Color	Result	Opponent
1	White	Loss	Oosumi Yuuki	2608.36
2	Black	Win	Oosumi Yuuki	2608.36
3	White	Win	Oosumi Yuuki	2608.36
13 Kansai Championship 2nd round
Date	2018-02-18		Rating	2450.84
Round	Color	Result	Opponent
1	White	Win	Hasegawa Kazuto	2509.36
2	White	Win	Tachi Masaya	2474.13
3	Black	Win	Matsui Tsunehiro	2093.38
13th All Japan Championship
Date	2018-01-28		Rating	2451.86
Round	Color	Result	Opponent
1	Black	Draw	Ishitani Shin-ichi	2327.46
2	White	Win	Miyamoto Syunju	2193.23
3	White	Loss	Okabe Hiroshi	2619.24
4	White	Win	Sato Kiyotomi	2353.65
5	White	Loss	Kamiya Shunsuke	2704.39
6	White	Loss	Nakayama Tomoharu	2741.19
49 Kyoto Classified Tournament
Date	2017-11-12		Rating	2457.04
Round	Color	Result	Opponent
S1	White	Win	Nishida Toshio	1998.82
S2	White	Win	Hasegawa Kazuto	2516.61
S3	Black	Loss	Kawamura Norihiko	2561.86
S4	White	Win	Hata Masayuki	2126.65
S5	White	Win	Ishitani Shin-ichi	2312.40
13 Kansai Championship 1st round
Date	2017-10-22		Rating	2457.31
Round	Color	Result	Opponent
1	Black	Win	Matsui Tsunehiro	2101.68
3	White	Draw	Tachi Masaya	2466.99
4	Black	Loss	Sakamoto Hirouji	2192.50
5	White	Loss	Kawamura Norihiko	2560.44
55 Meijinsen Tournament
Date	2017-09-18		Rating	2460.40
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2702.35
2	White	Loss	Nakayama Tomoharu	2735.82
3	Black	Loss	Okabe Hiroshi	2624.23
4	White	Win	Tamada Yoichi	2412.20
5	Black	Win	Maruyama Yasushi	2209.94
6	Black	Win	Hasegawa Kazuto	2519.22
7	White	Win	Matsuura Hiroshi	2254.56
8	White	Win	Kawano Takahisa	2344.91
9	Black	Loss	Sato Kiyotomi	2369.57
55 Meijinsen Qualification Kansai area 2nd round
Date	2017-06-18		Rating	2465.32
Round	Color	Result	Opponent
1	White	Win	Tachi Masaya	2459.95
2	White	Win	Kawamura Norihiko	2543.54
3	White	Win	Hasegawa Kazuto	2528.23
12th All Japan Championship
Date	2017-03-26		Rating	2459.27
Round	Color	Result	Opponent
1	Black	Draw	Maruta Koji	2081.26
2	White	Loss	Ishitani Shin-ichi	2310.42
3	White	Win	Kusajima Masato	2208.57
4	White	Loss	Tamada Yoichi	2446.44
5	Black	Draw	Miyamoto Syunju	2173.14
6	White	Win	Ono Takayuki	2281.65
12 Kansai Championship 2nd round
Date	2017-02-19		Rating	2460.65
Round	Color	Result	Opponent
1	White	Win	Sakamoto Hirouji	2191.34
2	White	Draw	Hasegawa Kazuto	2541.30
ex	White	Loss	Hasegawa Kazuto	2541.30
48 Kyoto Classified Tournament
Date	2016-11-13		Rating	2465.22
Round	Color	Result	Opponent
SS1	Black	Loss	Kawamura Norihiko	2536.30
SS2	White	Win	Hata Masayuki	2127.85
SS4	Black	Loss	Hasegawa Kazuto	2549.65
SS5	Black	Draw	Okabe Hiroshi	2619.73
54 Meijinsen Tournament
Date	2016-09-19		Rating	2469.60
Round	Color	Result	Opponent
1	Black	Draw	Nakayama Tomoharu	2685.12
2	White	Win	Maruyama Yasushi	2216.72
3	White	Loss	Okabe Hiroshi	2624.67
4	Black	Draw	Koyama Jun	2524.90
5	Black	Win	Matsuura Hiroshi	2278.33
6	White	Draw	Kamiya Shunsuke	2659.86
7	Black	Win	Kuga Akio	2290.95
8	White	Loss	Hasegawa Kazuto	2550.14
9	Black	Win	Tanaka Toshiki	2375.25
54 Meijinsen Qualification Kansai area 2nd round
Date	2016-06-19		Rating	2470.13
Round	Color	Result	Opponent
1	Black	Win	Matsui Tsunehiro	2124.46
2	White	Loss	Tanaka Toshiki	2380.76
3	White	Win	Tachi Masaya	2407.94
54 Meijinsen Qualification Kansai area 1st round
Date	2016-05-15		Rating	2470.58
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Hirouji	2199.74
2	White	Win	Tachi Masaya	2403.09
3	Black	Win	Matsui Tsunehiro	2127.35
4	White	Win	Kawamura Norihiko	2528.74
Team World Championship
Date	2016-05-04		Rating	2469.67
Round	Color	Result	Opponent
2	Black	Loss	Pajuste Renee	2537.96
3	Black	Draw	Eriksson Bjorn	2192.38
4	Black	Loss	Sushkov Vladimir	2755.59
5	White	Win	Makarov Pavel	2505.94
6	White	Win	Chen Xin	2319.79
7	Black	Win	Feng Sheng-Yu	2004.01
9	White	Win	Lohmus Kristofer	2143.43
11 Kansai Championship Final match
Date	2016-04-03		Rating	2466.78
Round	Color	Result	Opponent
1	Black	Win	Oosumi Yuuki	2667.45
2	Black	Loss	Oosumi Yuuki	2667.45
3	White	Loss	Oosumi Yuuki	2667.45
11 Kansai Championship 2nd round
Date	2016-03-20		Rating	2465.18
Round	Color	Result	Opponent
1	Black	Win	Kashihara Akihiko	2259.87
2	Black	Win	Tachi Masaya	2399.18
3	White	Win	Sakamoto Hirouji	2198.09
11th All Japan Championship
Date	2016-01-11		Rating	2453.10
Round	Color	Result	Opponent
1	White	Win	Suzuki Rin	1878.71
2	White	Loss	Nakamura Shigeru	2836.13
3	Black	Win	Mano Yoshihisa	2274.78
4	White	Loss	Nakamura Souta	2214.23
5	White	Loss	Okabe Hiroshi	2627.45
6	White	Loss	Ishitani Shin-ichi	2316.65
53 Meijinsen Tournament
Date	2015-09-22		Rating	2446.48
Round	Color	Result	Opponent
1	Black	Loss	Oosumi Yuuki	2687.01
2	White	Win	Kawamura Norihiko	2538.89
3	Black	Loss	Nakayama Tomoharu	2672.10
4	Black	Loss	Matsuura Hiroshi	2312.90
5	White	Draw	Tamada Yoichi	2484.34
6	White	Draw	Ishitani Shin-ichi	2314.77
7	White	Draw	Koyama Jun	2538.32
8	Black	Win	Okabe Hiroshi	2630.70
9	Black	Loss	Hasegawa Kazuto	2574.65
53 Meijinsen Qualification Kansai area 2nd round
Date	2015-06-21		Rating	2441.26
Round	Color	Result	Opponent
1	Black	Loss	Kawamura Norihiko	2551.29
2	White	Loss	Hasegawa Kazuto	2570.36
3	White	Win	Koiso Shigemasa	2092.31
53 Meijinsen Qualification Kansai area 1st round
Date	2015-05-17		Rating	2440.72
Round	Color	Result	Opponent
1	White	Draw	Tachi Masaya	2398.59
2	White	Win	Sakamoto Hirouji	2200.86
3	White	Win	Miyagawa Junzo	2158.65
4	Black	Draw	Kawamura Norihiko	2553.51
10 Kansai Championship final match
Date	2015-03-15		Rating	2437.60
Round	Color	Result	Opponent
1	White	Loss	Oosumi Yuuki	2713.57
2	Black	Loss	Oosumi Yuuki	2713.57
10 Kansai Championship 2nd round
Date	2015-02-15		Rating	2436.92
Round	Color	Result	Opponent
1	Black	Draw	Tachi Masaya	2394.58
2	Black	Win	Sakamoto Hirouji	2207.03
3	Black	Win	Miyagawa Junzo	2155.63
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2432.24
Round	Color	Result	Opponent
S1	Black	Win	Matsuo Toshiko	1850.68
S2	Black	Win	Sakamoto Hirouji	2213.94
S3	White	Draw	Okabe Hiroshi	2653.87
S4	White	Loss	Oosumi Yuuki	2726.49
S5	White	Loss	Kawamura Norihiko	2565.04
52 Meijinsen Tournament
Date	2014-09-15		Rating	2429.36
Round	Color	Result	Opponent
1	Black	Loss	Hasegawa Kazuto	2560.53
2	Black	Loss	Matsuura Hiroshi	2292.78
3	White	Loss	Oosumi Yuuki	2730.32
4	Black	Loss	Nakayama Tomoharu	2627.86
5	White	Loss	Sato Kiyotomi	2396.38
6	Black	Draw	Okabe Hiroshi	2656.80
7	Black	Loss	Tamada Yoichi	2472.98
8	Black	Draw	Kashihara Akihiko	2259.77
9	Black	Loss	Fukui Nobuhiro	2529.32
52 Meijinsen Qualification Kansai area 2nd round
Date	2014-06-15		Rating	2442.87
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2134.64
2	Black	Win	Sakamoto Hirouji	2220.08
3	White	Loss	Kashihara Akihiko	2260.98
52 Meijinsen Qualification Kansai area 1st round
Date	2014-05-18		Rating	2447.76
Round	Color	Result	Opponent
1	White	Win	Koiso Shigemasa	2087.45
2	Black	Win	Miyagawa Junzo	2134.07
3	White	Win	Kashihara Akihiko	2259.37
4	Black	Draw	Sakamoto Hirouji	2220.76
Team World Championship
Date	2014-05-03		Rating	2450.14
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2295.96
3	Black	Draw	Hõbemägi Martin	2538.10
4	Black	Win	Epifanov Dmitry	2583.68
6	Black	Win	Ono Takayuki	2295.96
8	Black	Loss	Hõbemägi Martin	2538.10
9	White	Loss	Chingin Konstantin	2770.33
9th Kansai Championship final match
Date	2014-04-06		Rating	2452.67
Round	Color	Result	Opponent
1	White	Draw	Oosumi Yuuki	2731.38
2	White	Win	Oosumi Yuuki	2731.38
3	Black	Loss	Oosumi Yuuki	2731.38
4	Black	Loss	Oosumi Yuuki	2731.38
9th Kansai Championship 2nd round
Date	2014-02-16		Rating	2454.23
Round	Color	Result	Opponent
1	White	Win	Sakamoto Hirouji	2219.52
3	Black	Win	Hasegawa Kazuto	2541.91
9th All Japan Championship
Date	2014-01-26		Rating	2453.61
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2127.58
2	White	Draw	Oosumi Yuuki	2736.55
3	Black	Win	Sato Kiyotomi	2379.33
4	White	Win	Nakayama Tomoharu	2587.83
5	Black	Loss	Okabe Hiroshi	2665.77
6	Black	Win	Ono Takayuki	2295.82
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2442.14
Round	Color	Result	Opponent
S1	Black	Win	Kawano Takahisa	2295.46
S2	White	Loss	Hasegawa Kazuto	2536.81
S3	White	Win	Sandstrom Richard	2291.63
S4	Black	Loss	Fukui Nobuhiro	2510.00
S5	White	Win	Ishitani Shin-ichi	2339.78
9th Kansai Championship 1st round
Date	2013-10-27		Rating	2439.87
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Hirouji	2220.84
2	Black	Win	Watanabe Nobuo	1959.51
3	White	Win	Kubo Izumi	2025.21
4	White	Win	Kon Akira	1917.47
51 Meijinsen Qualification Kansai area 2nd round
Date	2013-06-16		Rating	2414.20
Round	Color	Result	Opponent
1	White	Draw	Hata Masayuki	2176.97
2	White	Loss	Hasegawa Kazuto	2527.72
3	Black	Win	Matsui Tsunehiro	2111.77
ex	Black	Loss	Hata Masayuki	2176.97
51 Meijinsen Qualification Kansai area 1st round
Date	2013-05-19		Rating	2411.47
Round	Color	Result	Opponent
1	Black	Loss	Hata Masayuki	2176.82
2	Black	Win	Sakamoto Hirouji	2218.49
3	Black	Win	Kubo Izumi	2016.47
4	Black	Win	Matsui Tsunehiro	2111.96
5	Black	Win	Koiso Shigemasa	2080.66
8th All Japan Championship
Date	2013-03-24		Rating	2406.73
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2140.88
2	White	Win	Ishitani Shin-ichi	2301.93
3	Black	Loss	Nakamura Shigeru	2783.12
4	White	Loss	Okabe Hiroshi	2644.20
5	Black	Draw	Kamiya Shunsuke	2453.83
6	Black	Draw	Sato Kiyotomi	2356.80
8th Kansai Championship 2nd round
Date	2013-02-17		Rating	2403.19
Round	Color	Result	Opponent
1	White	Win	Takahashi Roi	2107.81
2	White	Win	Miyagawa Junzo	2140.64
3	White	Loss	Hasegawa Kazuto	2517.78
ex	White	Loss	Hasegawa Kazuto	2517.78
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2395.81
Round	Color	Result	Opponent
S1	White	Loss	Kudomi Takahiro	2332.40
S2	White	Win	Tamura Kazumasa	2442.60
S3	White	Draw	Ono Takayuki	2339.00
S4	White	Loss	Ishitani Shin-ichi	2292.33
8th Kansai Championship 1st round
Date	2012-10-08		Rating	2395.14
Round	Color	Result	Opponent
1	White	Win	Takahashi Roi	2102.26
2	White	Win	Miyagawa Junzo	2139.79
3	White	Loss	Hasegawa Kazuto	2505.49
4	White	Win	Koiso Shigemasa	2088.83
5	White	Win	Kon Akira	1928.46
50th Meijinsen Tournament
Date	2012-09-17		Rating	2394.41
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2343.39
2	White	Loss	Nakayama Tomoharu	2540.50
3	Black	Loss	Yamaguchi Yusui	2555.39
4	Black	Loss	Nagasoe Hiroki	2445.61
5	White	Loss	Fukui Nobuhiro	2455.91
6	Black	Loss	Nakamura Shigeru	2791.78
7	White	Loss	Okabe Hiroshi	2626.46
8	Black	Win	Hasegawa Kazuto	2503.88
9	White	Loss	Matsuura Hiroshi	2280.50
50 Meijinsen Qualification Kansai area 2nd round
Date	2012-06-17		Rating	2400.10
Round	Color	Result	Opponent
1	White	Win	Sakamoto Hirouji	2247.08
2	White	Loss	Kise Katsumi	2464.02
3	Black	Win	Hasegawa Kazuto	2498.00
7th Kansai Championship 2nd round
Date	2012-02-19		Rating	2402.85
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Hirouji	2251.33
2	White	Win	Hata Masayuki	2153.31
3	Black	Loss	Kise Katsumi	2467.40
7th All Japan Championship
Date	2012-01-29		Rating	2403.22
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2205.53
2	Black	Win	Mitsumori Masao	2291.66
3	White	Win	Sakamoto Hirouji	2253.70
4	White	Draw	Nakayama Tomoharu	2517.52
5	White	Loss	Nakamura Shigeru	2787.84
6	White	Loss	Kudomi Takahiro	2336.26
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2402.55
Round	Color	Result	Opponent
S1	White	Loss	Sakamoto Hirouji	2259.95
S2	White	Loss	Okumura Toyohiko	2267.92
S3	White	Loss	Mano Yoshihisa	2177.95
S4	Black	Win	Doi Manabu	1998.68
S5	White	Win	Kubo Izumi	2025.56
49th Meijinsen Tournament
Date	2011-09-19		Rating	2410.14
Round	Color	Result	Opponent
1	Black	Win	Sakashita Shoichi	2074.40
2	White	Win	Kashihara Akihiko	2189.82
3	Black	Loss	Matsuura Hiroshi	2288.93
4	Black	Draw	Nakayama Tomoharu	2496.64
5	Black	Draw	Hasegawa Kazuto	2485.70
6	Black	Win	Kubo Izumi	2030.91
7	Black	Loss	Okabe Hiroshi	2618.52
8	White	Loss	Yamaguchi Yusui	2553.68
9	White	Win	Miyoshi Takeo	2090.46
World Championship BT
Date	2011-08-06		Rating	2417.48
Round	Color	Result	Opponent
1	White	Loss	Nikonov Konstantin	2545.64
2	White	Win	Rachitskaya Viktoria	2172.56
3	Black	Win	Staub Rain	1851.57
4	White	Win	Ono Takayuki	2323.84
5	White	Loss	Pajuste Renee	2392.44
6	Black	Win	Hõbemägi Martin	2331.89
7	Black	Win	Karasyov Maxim	2547.07
8	White	Win	Nakayama Tomoharu	2490.49
9	White	Draw	Potapov Alexey	2524.88
49 Meijinsen Qualification Kansai area 2nd round
Date	2011-06-19		Rating	2419.96
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2036.07
2	Black	Draw	Kashihara Akihiko	2186.50
3	White	Win	Kise Katsumi	2461.49
6th All Japan Championship
Date	2011-03-27		Rating	2422.02
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2078.15
2	White	Win	Kon Akira	1942.79
3	White	Draw	Hasegawa Kazuto	2512.80
4	White	Loss	Okabe Hiroshi	2608.63
5	White	Loss	Tamada Yoichi	2423.08
6	White	Win	Kawano Takahisa	2277.40
6th Kansai Championship final match
Date	2011-03-20		Rating	2422.26
Round	Color	Result	Opponent
1	White	Loss	Oosumi Yuuki	2651.76
2	White	Loss	Oosumi Yuuki	2651.76
48th Meijinsen Tournament
Date	2010-09-20		Rating	2434.27
Round	Color	Result	Opponent
1	White	Win	Sakamoto Hirouji	2247.31
2	White	Win	Tamada Yoichi	2407.38
3	Black	Win	Matsuura Hiroshi	2273.18
4	White	Draw	Okabe Hiroshi	2600.80
5	White	Draw	Kawano Takahisa	2255.33
6	White	Win	Ishitani Shin-ichi	2307.24
7	Black	Loss	Yamaguchi Yusui	2500.83
8	White	Win	Koiso Shigemasa	2090.22
9	White	Loss	Oosumi Yuuki	2618.95
Team World Championship
Date	2010-05-05		Rating	2435.55
Round	Color	Result	Opponent
3	White	Win	Artemyev Sergey	2527.06
4	Black	Loss	Purk Andry	2569.56
5	Black	Win	Väljataga Paul	2323.03
7	White	Win	Eibatov Nizami	2264.65
10	White	Loss	Sumarokov Evgeny	2455.01
5th Kansai Championship final match
Date	2010-03-28		Rating	2434.62
Round	Color	Result	Opponent
1	White	Win	Oosumi Yuuki	2578.08
2	White	Win	Oosumi Yuuki	2578.08
5th All Japan Championship
Date	2010-03-21		Rating	2433.72
Round	Color	Result	Opponent
1	White	Win	Tadokoro Hosai	1865.79
2	Black	Loss	Nakamura Shigeru	2760.65
3	Black	Win	Maruta Hiroki	2029.10
4	White	Win	Kim Chang-Su	2002.41
5	Black	Loss	Yamaguchi Yusui	2488.72
6	White	Loss	Shimoyama Takuma	2186.71
5th Kansai Championship 3rd round
Date	2010-02-14		Rating	2432.26
Round	Color	Result	Opponent
1	Black	Win	Hata Masayuki	2093.30
2	White	Win	Hasegawa Kazuto	2579.20
3	White	Win	Sagara Takashi	2381.61
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2430.37
Round	Color	Result	Opponent
S1	Black	Win	Suzuki Junichiro	1868.28
S2	White	Loss	Nakamura Shigeru	2762.11
S3	Black	Loss	Kataoka Mitsuaki	2151.36
S4	White	Draw	Nagao Noriaki	2329.82
S5	Black	Win	Ono Takayuki	2307.90
5th Kansai Championship 2nd round
Date	2009-11-15		Rating	2424.18
Round	Color	Result	Opponent
1	Black	Loss	Koiso Shigemasa	2095.21
2	Black	Win	Sakamoto Hirouji	2214.65
3	Black	Win	Kon Akira	1920.14
4	Black	Win	Miyagawa Junzo	2130.06
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2423.85
Round	Color	Result	Opponent
S1	Black	Loss	Hasegawa Kazuto	2587.97
S2	White	Win	Sakamoto Hirouji	2213.94
S3	White	Win	Kudomi Takahiro	2295.25
S4	White	Win	Okabe Hiroshi	2574.25
S5	Black	Loss	Okumura Toyohiko	2280.12
47th Meijinsen tournament
Date	2009-09-22		Rating	2420.60
Round	Color	Result	Opponent
1	White	Win	Tamura Kazumasa	2421.23
2	White	Win	Yamaguchi Yusui	2475.05
3	Black	Loss	Kawamura Norihiko	2546.71
4	Black	Win	Kataoka Mitsuaki	2142.30
5	White	Loss	Oosumi Yuuki	2559.22
6	White	Draw	Ishitani Shin-ichi	2284.41
7	White	Win	Matsuura Hiroshi	2239.15
8	White	Loss	Okabe Hiroshi	2569.97
9	White	Win	Sakamoto Hirouji	2208.15
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2404.33
Round	Color	Result	Opponent
1	White	Draw	Oosumi Yuuki	2552.64
2	Black	Loss	Gu Wei	2442.13
3	Black	Loss	Li Yi	2593.27
4	Black	Loss	Yu Manjiang	2430.82
5	Black	Win	Xu Bin	2119.21
6	White	Win	Mitsumori Masao	2269.49
7	White	Draw	Isobe Taizan	2328.17
4th All Japan Championship
Date	2009-03-21		Rating	2401.28
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2134.90
2	White	Loss	Tamura Kazumasa	2417.51
3	Black	Loss	Tamada Yoichi	2253.61
4	Black	Win	Tanizaki Ryusuke	2033.53
5	White	Win	Sakamoto Hirouji	2198.14
6	White	Draw	Ishitani Shin-ichi	2285.59
4 Kansai Championship 3rd round
Date	2009-02-15		Rating	2400.93
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2411.01
2	Black	Loss	Oosumi Yuuki	2544.34
3	Black	Loss	Takashima Junya	2418.37
4th Kansai Championship, 2nd round
Date	2008-11-16		Rating	2408.56
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Hirouji	2189.59
2	Black	Win	Miyagawa Junzo	2145.64
3	White	Draw	Tamura Kazumasa	2395.53
4	White	Loss	Takashima Junya	2417.44
46th Meijinsen Tournament
Date	2008-09-15		Rating	2414.23
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2197.44
2	Black	Win	Oosumi Yuuki	2504.39
3	Black	Loss	Okabe Hiroshi	2552.92
4	Black	Win	Yamaguchi Yusui	2474.24
5	Black	Win	Kataoka Mitsuaki	2111.28
6	Black	Win	Hata Masayuki	2178.64
7	White	Loss	Sato Kiyotomi	2300.77
8	Black	Draw	Ishitani Shin-ichi	2272.85
9	Black	Loss	Kawamura Norihiko	2558.65
46th Meijinsen Qualification Kansai area 2nd round
Date	2008-06-15		Rating	2420.45
Round	Color	Result	Opponent
1	Black	Draw	Miyagawa Junzo	2154.69
2	Black	Win	Sakamoto Hirouji	2192.27
3	White	Loss	Hata Masayuki	2190.36
Team World Championship
Date	2008-05-02		Rating	2426.36
Round	Color	Result	Opponent
1	Black	Draw	Laube Pavel	2367.46
2	White	Win	Artemyev Sergey	2536.87
3	Black	Win	Cao Dong	2578.51
4	White	Loss	Karlsson Stefan	2492.41
5	White	Loss	Sushkov Vladimir	2652.49
7	Black	Win	Taimla Tunnet	2682.58
8	White	Draw	Saarenpää Samuli	2316.12
9	Black	Win	Piddubny Konstantin	2157.31
3rd Kansai Championship 3rd round
Date	2008-01-13		Rating	2428.96
Round	Color	Result	Opponent
1	White	Win	Takagawa Teiji	2159.19
2	White	Win	Tamura Kazumasa	2344.56
3	White	Loss	Oosumi Yuuki	2473.44
The 45th Meijin-sen Tournament
Date	2007-09-17		Rating	2430.71
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2314.62
2	Black	Loss	Miyoshi Takeo	2176.65
3	Black	Loss	Okabe Hiroshi	2500.81
4	White	Win	Matsuura Hiroshi	2174.51
5	White	Win	Kawamura Norihiko	2535.31
6	Black	Win	Sato Kiyotomi	2252.22
7	Black	Win	Hiwatashi Kikuma	1806.61
8	White	Draw	Oosumi Yuuki	2452.77
9	White	Win	Yamaguchi Yusui	2527.63
World Championship AT
Date	2007-08-15		Rating	2431.40
Round	Color	Result	Opponent
1	White	Draw	Oll Aivo	2553.29
2	Black	Loss	Okabe Hiroshi	2494.87
3	Black	Loss	Yamaguchi Yusui	2530.05
4	White	Loss	Wu Di	2598.83
5	Black	Loss	Taimla Tunnet	2652.75
6	Black	Win	Kozhin Mikhail	2491.96
7	Black	Loss	Sushkov Vladimir	2646.02
8	White	Loss	Savrasova Yulia	2563.35
9	White	Win	Purk Andry	2527.08
10	White	Draw	Chingin Konstantin	2678.58
11	White	Loss	Karlsson Stefan	2497.18
World Championship QT
Date	2007-08-08		Rating	2431.82
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2250.38
2	White	Win	Poghosyan Albert	2293.45
3	White	Draw	Okabe Hiroshi	2494.13
4	Black	Win	Jonsson Peter	2251.96
5	Black	Win	Qiu Yunfei	2389.06
6	White	Win	Lin Huang-Yu	2437.38
7	White	Win	Andersson Tord	2259.43
45th Meijinsen Qualification Kansai area final round
Date	2007-06-17		Rating	2426.67
Round	Color	Result	Opponent
1	Black	Win	Hata Masayuki	2186.10
2	Black	Loss	Sakamoto Hirouji	2189.39
3	Black	Win	Oosumi Yuuki	2426.12
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2418.97
Round	Color	Result	Opponent
1	Black	Loss	Ono Takayuki	2288.12
2	Black	Win	Tanizaki Ryusuke	2042.65
4	White	Loss	Isobe Taizan	2304.97
2nd Kansai Championship, Final Match
Date	2007-03-18		Rating	2418.97
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2643.55
2	Black	Loss	Hasegawa Kazuto	2643.55
2nd Kansai Championship 3rd round
Date	2007-01-14		Rating	2420.98
Round	Color	Result	Opponent
1	Black	Win	Oosumi Yuuki	2378.56
2	White	Win	Sagara Takashi	2385.21
3	Black	Draw	Takashima Junya	2384.86
2nd Kansai Championship 2nd round
Date	2006-10-15		Rating	2418.25
Round	Color	Result	Opponent
1	Black	Loss	Oosumi Yuuki	2354.84
2	Black	Win	Doi Manabu	2001.80
3	Black	Win	Ozawa Tetsushi	2027.75
4	Black	Win	Takagawa Teiji	2194.80
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2417.82
Round	Color	Result	Opponent
1	White	Draw	Nagao Noriaki	2221.57
2	White	Loss	Okabe Hiroshi	2460.62
3	Black	Loss	Kawamura Norihiko	2561.22
4	White	Loss	Yamaguchi Yusui	2514.02
5	Black	Win	Ishitani Shin-ichi	2232.35
6	Black	Win	Oosumi Yuuki	2346.66
7	Black	Win	Fujii Naoki	1974.13
8	White	Win	Matsuura Hiroshi	2176.17
9	White	Win	Sato Kiyotomi	2271.31
Asian Championship
Date	2006-08-15		Rating	2417.64
Round	Color	Result	Opponent
1	White	Draw	Kashihara Akihiko	2213.67
2	Black	Win	Lee Jo-Sub	2280.30
3	Black	Win	Oosumi Yuuki	2338.38
4	White	Draw	Yamaguchi Yusui	2511.44
5	Black	Win	Park Jeong Ho	2302.75
6	Black	Loss	Kim Chang-Hoon	2443.74
7	Black	Win	Ishitani Shin-ichi	2232.62
8	White	Loss	Okabe Hiroshi	2458.30
Meijin-sen Qual, Kansai-Hokuriku area final round
Date	2006-06-18		Rating	2416.21
Round	Color	Result	Opponent
1	Black	Win	Oosumi Yuuki	2327.11
2	White	Win	Takashima Junya	2369.60
3	White	Win	Hata Masayuki	2193.74
Meijin-sen Qual, Kansai area 1st round
Date	2006-05-14		Rating	2412.69
Round	Color	Result	Opponent
1	White	Win	Okuda Shingo	1854.35
2	White	Win	Hata Masayuki	2194.15
3	Black	Win	Takagawa Teiji	2204.05
4	Black	Win	Matsui Tsunehiro	2115.03
Team World Championship
Date	2006-05-05		Rating	2411.35
Round	Color	Result	Opponent
1	White	Loss	Pellikka Marko	2221.58
2	White	Loss	Andersson Tord	2246.18
3	White	Draw	Oll Aivo	2540.03
4	Black	Win	Skuridin Alexey	2322.87
5	Black	Win	Ge Lingfeng	2291.73
6	White	Loss	Savrasova Yulia	2534.29
7	White	Win	Sulane Sander	2012.23
F1	White	Loss	Gaulitz Joachim	2363.10
F2	White	Win	Andersson Tord	2246.18
1st Kansai Championship 2nd round
Date	2005-10-16		Rating	2398.10
Round	Color	Result	Opponent
1	Black	Win	Adachi Yasuhiro	1764.16
2	Black	Win	Hata Masayuki	2181.07
3	White	Draw	Takagawa Teiji	2216.21
4	Black	Loss	Hasegawa Kazuto	2606.51
World Championship QT
Date	2005-07-31		Rating	2394.31
Round	Color	Result	Opponent
1	Black	Win	Oosumi Yuuki	2291.53
4	Black	Win	Kozhin Mikhail	2467.74
5	Black	Draw	Yamaguchi Yusui	2474.57
6	White	Loss	Sushkov Vladimir	2586.07
7	White	Win	Ilu Timo	2411.33
43rd Meijinsen Qualification: Kansai area 1st round
Date	2005-05-08		Rating	2381.75
Round	Color	Result	Opponent
1	White	Win	Matsui Tsunehiro	2119.81
2	Black	Win	Iwata Akihisa	2109.64
3	White	Loss	Takashima Junya	2329.70
4	Black	Loss	Tamura Kazumasa	2306.28
The 42nd Meijin-sen Tournament
Date	2004-09-20		Rating	2361.51
Round	Color	Result	Opponent
1	White	Win	Okabe Hiroshi	2394.46
2	White	Loss	Kawamura Norihiko	2585.77
3	Black	Win	Sakashita Shoichi	2107.80
4	White	Loss	Ishitani Shin-ichi	2244.50
5	White	Loss	Hasegawa Kazuto	2565.00
6	White	Win	Saito Koji	2066.91
7	Black	Loss	Sakamoto Hirouji	2137.82
8	White	Loss	Matsuura Hiroshi	2236.62
9	White	Win	Takagawa Teiji	2225.98
Team World Championship
Date	2004-05-05		Rating	2363.37
Round	Color	Result	Opponent
1	Black	Loss	Karlsson Stefan	2423.46
2	White	Win	Degtyar Felix	1962.69
3	Black	Loss	Meritee Ando	2717.41
4	White	Win	Khramov Andrey	2117.78
6	Black	Win	Piddubny Konstantin	2077.60
7	Black	Loss	Salnikov Pavel	2452.94
8	Black	Loss	Kareyev Vladislav	2485.31
9	Black	Draw	Sushkov Vladimir	2563.26
41st Meijin-sen Tournament
Date	2003-09-15		Rating	2375.63
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2243.35
2	White	Win	Miyagawa Junzo	2076.33
3	White	Win	Takashima Junya	2191.25
4	White	Loss	Kuga Akio	2256.97
5	White	Loss	Hasegawa Kazuto	2527.89
6	Black	Win	Kudomi Takahiro	2276.17
7	White	Win	Ishitani Shin-ichi	2237.72
8	White	Win	Isobe Taizan	2206.22
9	White	Win	Okabe Hiroshi	2381.59
World Championship AT
Date	2003-08-08		Rating	2374.18
Round	Color	Result	Opponent
1	White	Draw	Yamaguchi Yusui	2471.49
2	White	Loss	Taimla Tunnet	2561.09
3	White	Draw	Okabe Hiroshi	2381.08
4	White	Loss	Chingin Konstantin	2592.26
5	White	Loss	Meritee Ando	2703.15
6	White	Loss	Sinyov Igor	2470.80
7	White	Draw	Karlsson Stefan	2419.56
8	White	Win	Gaulitz Joachim	2307.54
9	White	Win	Andersson Tord	2262.15
10	Black	Win	Carlsson Martin	2279.87
11	Black	Loss	Sushkov Vladimir	2564.06
World Championship QT
Date	2003-07-31		Rating	2373.81
Round	Color	Result	Opponent
1	Black	Win	Mitsumori Masao	2222.80
2	White	Draw	Karasyov Maxim	2392.58
3	White	Draw	Yamaguchi Yusui	2472.31
4	White	Win	Chang Yi-Feng	2284.39
5	White	Win	Ishitani Shin-ichi	2235.92
6	White	Win	Eibatov Nizami	2285.50
7	White	Draw	Sushkov Vladimir	2563.42
40th Meijin-sen Tournament
Date	2002-09-16		Rating	2317.38
Round	Color	Result	Opponent
1	Black	Loss	Takagawa Teiji	2238.02
2	Black	Loss	Ishitani Shin-ichi	2240.72
3	Black	Win	Okabe Hiroshi	2328.16
4	White	Draw	Isobe Taizan	2221.72
5	White	Loss	Hasegawa Kazuto	2510.58
6	White	Loss	Yamaguchi Yusui	2484.40
7	Black	Win	Nishimura Toshio	2214.76
8	Black	Win	Kudomi Takahiro	2287.23
9	Black	Win	Matsuura Hiroshi	2184.69
40th Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date	2002-06-16		Rating	2302.65
Round	Color	Result	Opponent
1	White	Win	Miyagawa Sou	1862.70
2	Black	Win	Sakamoto Hirouji	2125.56
3	White	Win	Ikeshima Wakio	1872.94
4	Black	Draw	Miyagawa Junzo	2070.78
5	Black	Draw	Takagawa Teiji	2237.39
Team World Championship
Date	2002-05-03		Rating	2295.50
Round	Color	Result	Opponent
1	Black	Loss	Taimla Tunnet	2437.25
2	Black	Loss	Dvoeglazov Vladimir	2243.78
3	Black	Win	Drozd Olexandr	2138.66
4	White	Loss	Carlsson Martin	2211.36
5	Black	Loss	Gardstrom Petter	2372.00
6	White	Win	Lee Yun-Sub	1965.12
7	White	Loss	Semyonov Vladimir	2299.71
8	White	Loss	Carlsson Martin	2211.36
9	White	Win	Carlsson Martin	2211.36
The 39th Meijin-sen Tournament
Date	2001-09-24		Rating	2295.76
Round	Color	Result	Opponent
1	White	Loss	Kudomi Takahiro	2290.94
2	Black	Win	Hayakawa Yoshimi	2341.20
3	White	Win	Takagawa Teiji	2233.75
4	White	Win	Maruyama Yasushi	2104.68
5	White	Draw	Yamaguchi Yusui	2452.70
6	White	Loss	Nishimura Toshio	2238.31
7	White	Win	Matsuura Hiroshi	2167.23
8	White	Loss	Nara Hideki	2462.66
9	White	Loss	Hasegawa Kazuto	2494.76
World Championship BT
Date	2001-08-12		Rating	2295.32
Round	Color	Result	Opponent
1	White	Win	Tatsutomi Hiroyuki	2047.22
2	Black	Win	Chernov Sergey	2244.76
3	Black	Win	Ono Takayuki	2161.81
4	White	Loss	Hasegawa Kazuto	2493.92
5	White	Win	Khramov Andrey	2076.92
6	White	Win	Sakamoto Hirouji	2135.86
7	White	Loss	Kusajima Masato	2248.18
8	White	Win	Kudomi Takahiro	2288.38
32-nd Kyoto Classified - Special class
Date	2000-11-12		Rating	2269.71
Round	Color	Result	Opponent
1	White	Loss	Nara Hideki	2495.27
2	Black	Win	Sakamoto Hirouji	2133.25
3	Black	Loss	Hasegawa Kazuto	2492.71
4	Black	Win	Koiso Shigemasa	1957.05
38th Meijinsen Tournament
Date	2000-10-01		Rating	2265.69
Round	Color	Result	Opponent
1	White	Win	Fujinami Hisao	2117.29
2	Black	Loss	Kudomi Takahiro	2269.14
3	White	Loss	Hasegawa Kazuto	2492.33
4	White	Loss	Arai Yutaka	2063.07
5	White	Win	Nishizono Norio	2292.71
6	Black	Draw	Hayakawa Yoshimi	2352.58
7	White	Loss	Maruyama Yasushi	2109.56
8	Black	Loss	Nara Hideki	2499.09
9	Black	Win	Kusajima Masato	2220.98
Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date	2000-06-19		Rating	2263.42
Round	Color	Result	Opponent
1	White	Win	Sakamoto Hirouji	2135.25
2	White	Loss	Hayakawa Yoshimi	2364.03
3	White	Win	Takehara Kenji	1747.32
38th Meijinsen Qualification: Kansai area 1st Round
Date	2000-05-21		Rating	2262.76
Round	Color	Result	Opponent
1	White	Win	Tatsutomi Hiroyuki	2020.64
2	White	Loss	Hayakawa Yoshimi	2366.45
3	Black	Win	Matsui Tsunehiro	2154.15
4	White	Win	Iwata Akihisa	2098.99