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