JPN Iio Yoshihiro (飯尾義弘)

Place: Kobe, Japan

Rating: 2341.13, Rank: 163

First game: 2000-05-21, Last game: 2021-06-20

Top rating: 2485.63 (2016-05-15)

Games: 575, Wins: 289, Draws: 69, Losses: 217

Gy1: 7, Gy2: 32, Gy5: 105

59 Meijinsen Qualification Kansai area 1st round
Date 2021-06-20 Rating 2341.13
Round Color Result Opponent
1 Black Win JPN Tanaka Toshiki 2408.27
2 White Win JPN Hayashi Shoichi 2136.47
3 White Draw JPN Hasegawa Kazuto 2513.42
4 White Win JPN Hata Masayuki 2116.74
16 Kansai Championship 2nd round
Date 2021-02-21 Rating 2329.86
Round Color Result Opponent
1 Black Loss JPN Sakamoto Hirouji 2240.35
2 Black Loss JPN Makino Mitsunori 2462.31
3 Black Loss JPN Kawamura Norihiko 2597.00
16 Kansai Championship 1st round
Date 2020-10-18 Rating 2328.41
Round Color Result Opponent
1 Black Loss JPN Kawamura Norihiko 2600.69
2 Black Win JPN Adachi Tomoya 1561.92
3 White Win JPN Hayashi Shoichi 2128.40
4 Black Win JPN Sakamoto Hirouji 2237.60
5 Black Loss JPN Tanaka Shotaro 2149.40
58 Meijinsen Qualification Kansai area 1st round
Date 2020-06-21 Rating 2329.57
Round Color Result Opponent
1 Black Win JPN Hata Masayuki 2105.81
2 Black Loss JPN Sakamoto Hirouji 2231.81
3 White Loss JPN Makino Mitsunori 2395.59
4 White Win JPN Kito Shinichi 2095.03
5 White Loss JPN Tachi Masaya 2417.45
15 Kansai Championship 2nd round
Date 2020-02-16 Rating 2340.13
Round Color Result Opponent
1 White Win JPN Kito Shinichi 2102.64
2 White Win JPN Hayashi Shoichi 2124.54
3 Black Loss JPN Makino Mitsunori 2344.28
ex Black Loss JPN Makino Mitsunori 2344.28
15th All Japan Championship
Date 2020-01-19 Rating 2343.65
Round Color Result Opponent
1 White Win JPN Hata Masayuki 2114.55
2 Black Loss JPN Nakayama Tomoharu 2756.33
3 White Loss JPN Makino Mitsunori 2332.03
4 Black Win JPN Fujita Maiko 2263.30
5 White Win JPN Ishitani Shin-ichi 2307.87
6 White Loss JPN Okabe Hiroshi 2644.59
51 Kyoto Classified Tournament
Date 2019-11-04 Rating 2351.53
Round Color Result Opponent
S1 White Win JPN Ozawa Tetsushi 1928.47
S2 Black Loss JPN Tanaka Toshiki 2427.93
S3 Black Win JPN Nishida Toshio 2012.16
S4 White Loss JPN Hasegawa Kazuto 2534.80
S5 White Loss JPN Kawamura Norihiko 2600.07
14 Kansai Championship final match R3
Date 2019-08-19 Rating 2363.16
Round Color Result Opponent
3 Black Loss JPN Hasegawa Kazuto 2533.41
57 Meijinsen Qualification Kansai area 1st round
Date 2019-05-19 Rating 2378.93
Round Color Result Opponent
1 White Win JPN Tanaka Toshiki 2425.24
2 White Loss JPN Hasegawa Kazuto 2525.75
3 White Loss JPN Tachi Masaya 2448.14
4 Black Win JPN Matsui Tsunehiro 2106.16
14 Kansai Championship final match
Date 2019-05-06 Rating 2381.12
Round Color Result Opponent
1 White Loss JPN Hasegawa Kazuto 2524.68
2 Black Win JPN Hasegawa Kazuto 2524.68
14th All Japan Championship
Date 2019-03-31 Rating 2386.15
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2111.87
2 White Loss JPN Nakayama Tomoharu 2736.58
3 White Win JPN Chigira Makoto 2022.97
4 Black Loss JPN Okabe Hiroshi 2623.17
5 Black Win JPN Ishitani Shin-ichi 2330.31
6 Black Loss JPN Nakamura Shigeru 2906.81
50 Kyoto Classified Tournament
Date 2018-11-11 Rating 2402.25
Round Color Result Opponent
1 White Loss JPN Ishitani Shin-ichi 2348.91
2 Black Win JPN Ozawa Tetsushi 1950.12
3 Black Loss JPN Sakamoto Hirouji 2230.60
4 White Win JPN Fujita Maiko 2191.96
5 Black Win JPN Hayashi Shoichi 2100.90
56 Meijinsen Qualification Kansai area 2nd round
Date 2018-06-17 Rating 2428.50
Round Color Result Opponent
1 Black Loss JPN Tachi Masaya 2472.24
2 Black Loss JPN Kawamura Norihiko 2584.65
3 Black Loss JPN Hasegawa Kazuto 2516.38
12th Team World Championship
Date 2018-05-05 Rating 2439.70
Round Color Result Opponent
1 White Win EST Piik Sander 2211.46
3 White Win SWE Jonsson Peter 2246.02
4 White Loss RUS Kozhin Mikhail 2589.41
5 White Loss RUS Epifanov Dmitry 2592.26
7 Black Win RUS Semenov Oleg 2342.45
9 White Loss CHN Cao Dong 2705.58
13 Kansai Championship final match
Date 2018-03-18 Rating 2452.01
Round Color Result Opponent
1 White Loss JPN Oosumi Yuuki 2621.37
2 Black Win JPN Oosumi Yuuki 2621.37
3 White Win JPN Oosumi Yuuki 2621.37
13 Kansai Championship 2nd round
Date 2018-02-18 Rating 2456.74
Round Color Result Opponent
1 White Win JPN Hasegawa Kazuto 2517.66
2 White Win JPN Tachi Masaya 2479.24
3 Black Win JPN Matsui Tsunehiro 2111.30
13th All Japan Championship
Date 2018-01-28 Rating 2458.36
Round Color Result Opponent
1 Black Draw JPN Ishitani Shin-ichi 2344.59
2 White Win JPN Miyamoto Syunju 2200.48
3 White Loss JPN Okabe Hiroshi 2637.11
4 White Win JPN Sato Kiyotomi 2369.94
5 White Loss JPN Kamiya Shunsuke 2721.61
6 White Loss JPN Nakayama Tomoharu 2760.48
49 Kyoto Classified Tournament
Date 2017-11-12 Rating 2465.38
Round Color Result Opponent
S1 White Win JPN Nishida Toshio 2013.89
S2 White Win JPN Hasegawa Kazuto 2526.38
S3 Black Loss JPN Kawamura Norihiko 2573.89
S4 White Win JPN Hata Masayuki 2137.08
S5 White Win JPN Ishitani Shin-ichi 2328.92
13 Kansai Championship 1st round
Date 2017-10-22 Rating 2466.13
Round Color Result Opponent
1 Black Win JPN Matsui Tsunehiro 2119.31
3 White Draw JPN Tachi Masaya 2476.52
4 Black Loss JPN Sakamoto Hirouji 2219.32
5 White Loss JPN Kawamura Norihiko 2572.55
55 Meijinsen Tournament
Date 2017-09-18 Rating 2469.91
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2720.23
2 White Loss JPN Nakayama Tomoharu 2755.27
3 Black Loss JPN Okabe Hiroshi 2642.37
4 White Win JPN Tamada Yoichi 2444.51
5 Black Win JPN Maruyama Yasushi 2226.20
6 Black Win JPN Hasegawa Kazuto 2529.77
7 White Win JPN Matsuura Hiroshi 2284.63
8 White Win JPN Kawano Takahisa 2353.95
9 Black Loss JPN Sato Kiyotomi 2386.15
55 Meijinsen Qualification Kansai area 2nd round
Date 2017-06-18 Rating 2476.07
Round Color Result Opponent
1 White Win JPN Tachi Masaya 2472.61
2 White Win JPN Kawamura Norihiko 2556.10
3 White Win JPN Hasegawa Kazuto 2539.53
12th All Japan Championship
Date 2017-03-26 Rating 2471.09
Round Color Result Opponent
1 Black Draw JPN Maruta Koji 2083.12
2 White Loss JPN Ishitani Shin-ichi 2326.55
3 White Win JPN Kusajima Masato 2218.33
4 White Loss JPN Tamada Yoichi 2474.04
5 Black Draw JPN Miyamoto Syunju 2182.38
6 White Win JPN Ono Takayuki 2298.52
12 Kansai Championship 2nd round
Date 2017-02-19 Rating 2472.86
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2213.93
2 White Draw JPN Hasegawa Kazuto 2553.52
ex White Loss JPN Hasegawa Kazuto 2553.52
48 Kyoto Classified Tournament
Date 2016-11-13 Rating 2478.45
Round Color Result Opponent
SS1 Black Loss JPN Kawamura Norihiko 2549.71
SS2 White Win JPN Hata Masayuki 2139.98
SS4 Black Loss JPN Hasegawa Kazuto 2562.54
SS5 Black Draw JPN Okabe Hiroshi 2637.18
54 Meijinsen Tournament
Date 2016-09-19 Rating 2483.39
Round Color Result Opponent
1 Black Draw JPN Nakayama Tomoharu 2703.40
2 White Win JPN Maruyama Yasushi 2231.12
3 White Loss JPN Okabe Hiroshi 2642.05
4 Black Draw JPN Koyama Jun 2542.91
5 Black Win JPN Matsuura Hiroshi 2302.09
6 White Draw JPN Kamiya Shunsuke 2677.53
7 Black Win JPN Kuga Akio 2285.32
8 White Loss JPN Hasegawa Kazuto 2563.36
9 Black Win JPN Tanaka Toshiki 2385.24
54 Meijinsen Qualification Kansai area 2nd round
Date 2016-06-19 Rating 2484.83
Round Color Result Opponent
1 Black Win JPN Matsui Tsunehiro 2140.97
2 White Loss JPN Tanaka Toshiki 2390.79
3 White Win JPN Tachi Masaya 2424.11
54 Meijinsen Qualification Kansai area 1st round
Date 2016-05-15 Rating 2485.63
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2219.54
2 White Win JPN Tachi Masaya 2419.61
3 Black Win JPN Matsui Tsunehiro 2143.79
4 White Win JPN Kawamura Norihiko 2542.80
Team World Championship
Date 2016-05-04 Rating 2484.83
Round Color Result Opponent
2 Black Loss EST Pajuste Renee 2561.80
3 Black Draw SWE Eriksson Bjorn 2224.39
4 Black Loss RUS Sushkov Vladimir 2779.02
5 White Win RUS Makarov Pavel 2533.68
6 White Win CHN Chen Xin 2351.25
7 Black Win TPE Feng Sheng-Yu 2022.95
9 White Win EST Lohmus Kristofer 2192.18
11 Kansai Championship Final match
Date 2016-04-03 Rating 2482.01
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2682.10
2 Black Loss JPN Oosumi Yuuki 2682.10
3 White Loss JPN Oosumi Yuuki 2682.10
11 Kansai Championship 2nd round
Date 2016-03-20 Rating 2480.45
Round Color Result Opponent
1 Black Win JPN Kashihara Akihiko 2276.80
2 Black Win JPN Tachi Masaya 2415.99
3 White Win JPN Sakamoto Hirouji 2217.47
11th All Japan Championship
Date 2016-01-11 Rating 2468.52
Round Color Result Opponent
1 White Win JPN Suzuki Rin 1891.32
2 White Loss JPN Nakamura Shigeru 2852.83
3 Black Win JPN Mano Yoshihisa 2289.78
4 White Loss JPN Nakamura Souta 2231.99
5 White Loss JPN Okabe Hiroshi 2644.95
6 White Loss JPN Ishitani Shin-ichi 2334.18
53 Meijinsen Tournament
Date 2015-09-22 Rating 2462.09
Round Color Result Opponent
1 Black Loss JPN Oosumi Yuuki 2702.13
2 White Win JPN Kawamura Norihiko 2553.84
3 Black Loss JPN Nakayama Tomoharu 2690.18
4 Black Loss JPN Matsuura Hiroshi 2333.60
5 White Draw JPN Tamada Yoichi 2504.16
6 White Draw JPN Ishitani Shin-ichi 2332.66
7 White Draw JPN Koyama Jun 2556.26
8 Black Win JPN Okabe Hiroshi 2648.24
9 Black Loss JPN Hasegawa Kazuto 2589.48
53 Meijinsen Qualification Kansai area 2nd round
Date 2015-06-21 Rating 2456.88
Round Color Result Opponent
1 Black Loss JPN Kawamura Norihiko 2566.39
2 White Loss JPN Hasegawa Kazuto 2585.23
3 White Win JPN Koiso Shigemasa 2109.47
53 Meijinsen Qualification Kansai area 1st round
Date 2015-05-17 Rating 2456.35
Round Color Result Opponent
1 White Draw JPN Tachi Masaya 2415.88
2 White Win JPN Sakamoto Hirouji 2218.42
3 White Win JPN Miyagawa Junzo 2176.15
4 Black Draw JPN Kawamura Norihiko 2568.66
10 Kansai Championship final match
Date 2015-03-15 Rating 2453.21
Round Color Result Opponent
1 White Loss JPN Oosumi Yuuki 2728.85
2 Black Loss JPN Oosumi Yuuki 2728.85
10 Kansai Championship 2nd round
Date 2015-02-15 Rating 2452.53
Round Color Result Opponent
1 Black Draw JPN Tachi Masaya 2411.49
2 Black Win JPN Sakamoto Hirouji 2224.16
3 Black Win JPN Miyagawa Junzo 2172.68
46 Kyoto Classified Tournament
Date 2014-11-09 Rating 2447.80
Round Color Result Opponent
S1 Black Win JPN Matsuo Toshiko 1862.00
S2 Black Win JPN Sakamoto Hirouji 2230.63
S3 White Draw JPN Okabe Hiroshi 2670.31
S4 White Loss JPN Oosumi Yuuki 2741.86
S5 White Loss JPN Kawamura Norihiko 2580.46
52 Meijinsen Tournament
Date 2014-09-15 Rating 2444.89
Round Color Result Opponent
1 Black Loss JPN Hasegawa Kazuto 2575.45
2 Black Loss JPN Matsuura Hiroshi 2311.36
3 White Loss JPN Oosumi Yuuki 2745.71
4 Black Loss JPN Nakayama Tomoharu 2644.84
5 White Loss JPN Sato Kiyotomi 2411.87
6 Black Draw JPN Okabe Hiroshi 2673.06
7 Black Loss JPN Tamada Yoichi 2490.29
8 Black Draw JPN Kashihara Akihiko 2275.37
9 Black Loss JPN Fukui Nobuhiro 2544.64
52 Meijinsen Qualification Kansai area 2nd round
Date 2014-06-15 Rating 2458.29
Round Color Result Opponent
1 White Win JPN Miyagawa Junzo 2150.81
2 Black Win JPN Sakamoto Hirouji 2236.24
3 White Loss JPN Kashihara Akihiko 2276.37
52 Meijinsen Qualification Kansai area 1st round
Date 2014-05-18 Rating 2463.15
Round Color Result Opponent
1 White Win JPN Koiso Shigemasa 2103.42
2 Black Win JPN Miyagawa Junzo 2150.16
3 White Win JPN Kashihara Akihiko 2274.69
4 Black Draw JPN Sakamoto Hirouji 2236.83
Team World Championship
Date 2014-05-03 Rating 2465.51
Round Color Result Opponent
1 Black Win JPN Ono Takayuki 2311.47
3 Black Draw EST Hõbemägi Martin 2552.58
4 Black Win RUS Epifanov Dmitry 2605.44
6 Black Win JPN Ono Takayuki 2311.47
8 Black Loss EST Hõbemägi Martin 2552.58
9 White Loss RUS Chingin Konstantin 2785.24
9th Kansai Championship final match
Date 2014-04-06 Rating 2467.99
Round Color Result Opponent
1 White Draw JPN Oosumi Yuuki 2746.67
2 White Win JPN Oosumi Yuuki 2746.67
3 Black Loss JPN Oosumi Yuuki 2746.67
4 Black Loss JPN Oosumi Yuuki 2746.67
9th Kansai Championship 2nd round
Date 2014-02-16 Rating 2469.47
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2235.32
3 Black Win JPN Hasegawa Kazuto 2556.64
9th All Japan Championship
Date 2014-01-26 Rating 2468.81
Round Color Result Opponent
1 White Win JPN Miyagawa Junzo 2143.41
2 White Draw JPN Oosumi Yuuki 2751.65
3 Black Win JPN Sato Kiyotomi 2394.18
4 White Win JPN Nakayama Tomoharu 2604.18
5 Black Loss JPN Okabe Hiroshi 2681.38
6 Black Win JPN Ono Takayuki 2311.07
45 Kyoto Classified Tournament
Date 2013-11-10 Rating 2457.20
Round Color Result Opponent
S1 Black Win JPN Kawano Takahisa 2305.67
S2 White Loss JPN Hasegawa Kazuto 2551.45
S3 White Win SWE Sandstrom Richard 2312.04
S4 Black Loss JPN Fukui Nobuhiro 2524.71
S5 White Win JPN Ishitani Shin-ichi 2355.34
9th Kansai Championship 1st round
Date 2013-10-27 Rating 2454.90
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2236.30
2 Black Win JPN Watanabe Nobuo 1971.01
3 White Win JPN Kubo Izumi 2039.37
4 White Win JPN Kon Akira 1930.57
51 Meijinsen Qualification Kansai area 2nd round
Date 2013-06-16 Rating 2429.00
Round Color Result Opponent
1 White Draw JPN Hata Masayuki 2190.82
2 White Loss JPN Hasegawa Kazuto 2542.17
3 Black Win JPN Matsui Tsunehiro 2126.81
ex Black Loss JPN Hata Masayuki 2190.82
51 Meijinsen Qualification Kansai area 1st round
Date 2013-05-19 Rating 2426.22
Round Color Result Opponent
1 Black Loss JPN Hata Masayuki 2190.65
2 Black Win JPN Sakamoto Hirouji 2233.56
3 Black Win JPN Kubo Izumi 2030.42
4 Black Win JPN Matsui Tsunehiro 2126.97
5 Black Win JPN Koiso Shigemasa 2095.61
8th All Japan Championship
Date 2013-03-24 Rating 2421.39
Round Color Result Opponent
1 Black Win JPN Miyagawa Junzo 2155.82
2 White Win JPN Ishitani Shin-ichi 2316.63
3 Black Loss JPN Nakamura Shigeru 2796.56
4 White Loss JPN Okabe Hiroshi 2658.94
5 Black Draw JPN Kamiya Shunsuke 2468.48
6 Black Draw JPN Sato Kiyotomi 2370.85
8th Kansai Championship 2nd round
Date 2013-02-17 Rating 2417.80
Round Color Result Opponent
1 White Win JPN Takahashi Roi 2120.51
2 White Win JPN Miyagawa Junzo 2155.44
3 White Loss JPN Hasegawa Kazuto 2532.08
ex White Loss JPN Hasegawa Kazuto 2532.08
44 Kyoto Classified Tournament
Date 2012-11-11 Rating 2410.29
Round Color Result Opponent
S1 White Loss JPN Kudomi Takahiro 2347.05
S2 White Win JPN Tamura Kazumasa 2455.26
S3 White Draw JPN Ono Takayuki 2353.25
S4 White Loss JPN Ishitani Shin-ichi 2306.45
8th Kansai Championship 1st round
Date 2012-10-08 Rating 2409.58
Round Color Result Opponent
1 White Win JPN Takahashi Roi 2114.91
2 White Win JPN Miyagawa Junzo 2154.10
3 White Loss JPN Hasegawa Kazuto 2519.63
4 White Win JPN Koiso Shigemasa 2103.21
5 White Win JPN Kon Akira 1941.36
50th Meijinsen Tournament
Date 2012-09-17 Rating 2408.83
Round Color Result Opponent
1 White Win JPN Ono Takayuki 2357.55
2 White Loss JPN Nakayama Tomoharu 2555.81
3 Black Loss JPN Yamaguchi Yusui 2568.89
4 Black Loss JPN Nagasoe Hiroki 2468.34
5 White Loss JPN Fukui Nobuhiro 2469.66
6 Black Loss JPN Nakamura Shigeru 2804.04
7 White Loss JPN Okabe Hiroshi 2640.54
8 Black Win JPN Hasegawa Kazuto 2518.00
9 White Loss JPN Matsuura Hiroshi 2296.29
50 Meijinsen Qualification Kansai area 2nd round
Date 2012-06-17 Rating 2414.36
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2261.41
2 White Loss JPN Kise Katsumi 2478.08
3 Black Win JPN Hasegawa Kazuto 2511.93
7th Kansai Championship 2nd round
Date 2012-02-19 Rating 2416.91
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2265.36
2 White Win JPN Hata Masayuki 2166.63
3 Black Loss JPN Kise Katsumi 2481.43
7th All Japan Championship
Date 2012-01-29 Rating 2417.24
Round Color Result Opponent
1 Black Win JPN Tada Ayako 2218.27
2 Black Win JPN Mitsumori Masao 2305.10
3 White Win JPN Sakamoto Hirouji 2267.68
4 White Draw JPN Nakayama Tomoharu 2532.00
5 White Loss JPN Nakamura Shigeru 2798.03
6 White Loss JPN Kudomi Takahiro 2349.89
43 Kyoto Classified Tournament
Date 2011-11-13 Rating 2416.48
Round Color Result Opponent
S1 White Loss JPN Sakamoto Hirouji 2273.75
S2 White Loss JPN Okumura Toyohiko 2279.71
S3 White Loss JPN Mano Yoshihisa 2190.41
S4 Black Win JPN Doi Manabu 2010.31
S5 White Win JPN Kubo Izumi 2038.61
49th Meijinsen Tournament
Date 2011-09-19 Rating 2424.01
Round Color Result Opponent
1 Black Win JPN Sakashita Shoichi 2084.71
2 White Win JPN Kashihara Akihiko 2203.11
3 Black Loss JPN Matsuura Hiroshi 2303.43
4 Black Draw JPN Nakayama Tomoharu 2510.50
5 Black Draw JPN Hasegawa Kazuto 2499.09
6 Black Win JPN Kubo Izumi 2043.85
7 Black Loss JPN Okabe Hiroshi 2631.45
8 White Loss JPN Yamaguchi Yusui 2566.50
9 White Win JPN Miyoshi Takeo 2102.56
World Championship BT
Date 2011-08-06 Rating 2431.33
Round Color Result Opponent
1 White Loss RUS Nikonov Konstantin 2562.91
2 White Win RUS Rachitskaya Viktoria 2201.05
3 Black Win EST Staub Rain 1871.32
4 White Win JPN Ono Takayuki 2337.29
5 White Loss EST Pajuste Renee 2409.00
6 Black Win EST Hõbemägi Martin 2347.78
7 Black Win RUS Karasyov Maxim 2564.65
8 White Win JPN Nakayama Tomoharu 2504.20
9 White Draw RUS Potapov Alexey 2543.36
49 Meijinsen Qualification Kansai area 2nd round
Date 2011-06-19 Rating 2433.66
Round Color Result Opponent
1 White Win JPN Kubo Izumi 2048.85
2 Black Draw JPN Kashihara Akihiko 2199.65
3 White Win JPN Kise Katsumi 2475.41
6th All Japan Championship
Date 2011-03-27 Rating 2435.47
Round Color Result Opponent
1 White Win JPN Miyoshi Takeo 2090.08
2 White Win JPN Kon Akira 1954.82
3 White Draw JPN Hasegawa Kazuto 2525.88
4 White Loss JPN Okabe Hiroshi 2621.05
5 White Loss JPN Tamada Yoichi 2435.86
6 White Win JPN Kawano Takahisa 2288.61
6th Kansai Championship final match
Date 2011-03-20 Rating 2435.70
Round Color Result Opponent
1 White Loss JPN Oosumi Yuuki 2663.94
2 White Loss JPN Oosumi Yuuki 2663.94
48th Meijinsen Tournament
Date 2010-09-20 Rating 2447.28
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2260.27
2 White Win JPN Tamada Yoichi 2419.67
3 Black Win JPN Matsuura Hiroshi 2286.79
4 White Draw JPN Okabe Hiroshi 2612.79
5 White Draw JPN Kawano Takahisa 2266.33
6 White Win JPN Ishitani Shin-ichi 2319.58
7 Black Loss JPN Yamaguchi Yusui 2513.08
8 White Win JPN Koiso Shigemasa 2103.19
9 White Loss JPN Oosumi Yuuki 2631.01
Team World Championship
Date 2010-05-05 Rating 2448.30
Round Color Result Opponent
3 White Win RUS Artemyev Sergey 2540.99
4 Black Loss EST Purk Andry 2578.86
5 Black Win EST Väljataga Paul 2337.83
7 White Win AZE Eibatov Nizami 2268.18
10 White Loss RUS Sumarokov Evgeny 2471.24
5th Kansai Championship final match
Date 2010-03-28 Rating 2447.31
Round Color Result Opponent
1 White Win JPN Oosumi Yuuki 2590.01
2 White Win JPN Oosumi Yuuki 2590.01
5th All Japan Championship
Date 2010-03-21 Rating 2446.41
Round Color Result Opponent
1 White Win JPN Tadokoro Hosai 1876.50
2 Black Loss JPN Nakamura Shigeru 2759.39
3 Black Win JPN Maruta Hiroki 2040.48
4 White Win KOR Kim Chang-Su 2014.14
5 Black Loss JPN Yamaguchi Yusui 2500.67
6 White Loss JPN Shimoyama Takuma 2197.67
5th Kansai Championship 3rd round
Date 2010-02-14 Rating 2444.93
Round Color Result Opponent
1 Black Win JPN Hata Masayuki 2105.84
2 White Win JPN Hasegawa Kazuto 2591.83
3 White Win JPN Sagara Takashi 2394.40
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2443.04
Round Color Result Opponent
S1 Black Win JPN Suzuki Junichiro 1876.34
S2 White Loss JPN Nakamura Shigeru 2759.02
S3 Black Loss JPN Kataoka Mitsuaki 2157.50
S4 White Draw JPN Nagao Noriaki 2340.58
S5 Black Win JPN Ono Takayuki 2320.10
5th Kansai Championship 2nd round
Date 2009-11-15 Rating 2436.94
Round Color Result Opponent
1 Black Loss JPN Koiso Shigemasa 2107.93
2 Black Win JPN Sakamoto Hirouji 2227.18
3 Black Win JPN Kon Akira 1931.12
4 Black Win JPN Miyagawa Junzo 2142.20
41 Kyoto Classified Tournament
Date 2009-11-08 Rating 2436.61
Round Color Result Opponent
S1 Black Loss JPN Hasegawa Kazuto 2600.60
S2 White Win JPN Sakamoto Hirouji 2226.46
S3 White Win JPN Kudomi Takahiro 2307.37
S4 White Win JPN Okabe Hiroshi 2588.68
S5 Black Loss JPN Okumura Toyohiko 2291.43
47th Meijinsen tournament
Date 2009-09-22 Rating 2433.43
Round Color Result Opponent
1 White Win JPN Tamura Kazumasa 2432.89
2 White Win JPN Yamaguchi Yusui 2486.78
3 Black Loss JPN Kawamura Norihiko 2557.16
4 Black Win JPN Kataoka Mitsuaki 2149.13
5 White Loss JPN Oosumi Yuuki 2571.05
6 White Draw JPN Ishitani Shin-ichi 2297.02
7 White Win JPN Matsuura Hiroshi 2252.21
8 White Loss JPN Okabe Hiroshi 2585.22
9 White Win JPN Sakamoto Hirouji 2220.62
The 6th Shanghai Renju Meijin Invitation Tournament
Date 2009-05-03 Rating 2417.44
Round Color Result Opponent
1 White Draw JPN Oosumi Yuuki 2564.70
2 Black Loss CHN Gu Wei 2457.45
3 Black Loss CHN Li Yi 2611.67
4 Black Loss CHN Yu Manjiang 2451.79
5 Black Win CHN Xu Bin 2153.48
6 White Win JPN Mitsumori Masao 2283.43
7 White Draw JPN Isobe Taizan 2341.22
4th All Japan Championship
Date 2009-03-21 Rating 2414.36
Round Color Result Opponent
1 Black Win JPN Iwano Fumio 2145.96
2 White Loss JPN Tamura Kazumasa 2429.10
3 Black Loss JPN Tamada Yoichi 2264.99
4 Black Win JPN Tanizaki Ryusuke 2044.61
5 White Win JPN Sakamoto Hirouji 2210.52
6 White Draw JPN Ishitani Shin-ichi 2298.28
4 Kansai Championship 3rd round
Date 2009-02-15 Rating 2414.01
Round Color Result Opponent
1 White Loss JPN Tamura Kazumasa 2422.63
2 Black Loss JPN Oosumi Yuuki 2556.44
3 Black Loss JPN Takashima Junya 2431.21
4th Kansai Championship, 2nd round
Date 2008-11-16 Rating 2421.64
Round Color Result Opponent
1 Black Win JPN Sakamoto Hirouji 2202.01
2 Black Win JPN Miyagawa Junzo 2157.71
3 White Draw JPN Tamura Kazumasa 2407.20
4 White Loss JPN Takashima Junya 2430.29
46th Meijinsen Tournament
Date 2008-09-15 Rating 2427.35
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2210.34
2 Black Win JPN Oosumi Yuuki 2516.66
3 Black Loss JPN Okabe Hiroshi 2574.55
4 Black Win JPN Yamaguchi Yusui 2485.38
5 Black Win JPN Kataoka Mitsuaki 2118.84
6 Black Win JPN Hata Masayuki 2190.98
7 White Loss JPN Sato Kiyotomi 2312.69
8 Black Draw JPN Ishitani Shin-ichi 2285.69
9 Black Loss JPN Kawamura Norihiko 2569.67
46th Meijinsen Qualification Kansai area 2nd round
Date 2008-06-15 Rating 2433.61
Round Color Result Opponent
1 Black Draw JPN Miyagawa Junzo 2166.75
2 Black Win JPN Sakamoto Hirouji 2204.74
3 White Loss JPN Hata Masayuki 2202.71
Team World Championship
Date 2008-05-02 Rating 2439.56
Round Color Result Opponent
1 Black Draw CZE Laube Pavel 2381.33
2 White Win RUS Artemyev Sergey 2550.76
3 Black Win CHN Cao Dong 2591.45
4 White Loss SWE Karlsson Stefan 2504.76
5 White Loss RUS Sushkov Vladimir 2666.24
7 Black Win EST Taimla Tunnet 2695.89
8 White Draw FIN Saarenpää Samuli 2335.32
9 Black Win UKR Piddubny Konstantin 2170.91
3rd Kansai Championship 3rd round
Date 2008-01-13 Rating 2442.17
Round Color Result Opponent
1 White Win JPN Takagawa Teiji 2171.92
2 White Win JPN Tamura Kazumasa 2356.24
3 White Loss JPN Oosumi Yuuki 2485.78
The 45th Meijin-sen Tournament
Date 2007-09-17 Rating 2443.96
Round Color Result Opponent
1 White Loss JPN Isobe Taizan 2327.10
2 Black Loss JPN Miyoshi Takeo 2188.96
3 Black Loss JPN Okabe Hiroshi 2524.00
4 White Win JPN Matsuura Hiroshi 2187.44
5 White Win JPN Kawamura Norihiko 2546.86
6 Black Win JPN Sato Kiyotomi 2264.28
7 Black Win JPN Hiwatashi Kikuma 1811.49
8 White Draw JPN Oosumi Yuuki 2465.14
9 White Win JPN Yamaguchi Yusui 2537.51
World Championship AT
Date 2007-08-15 Rating 2444.67
Round Color Result Opponent
1 White Draw EST Oll Aivo 2568.24
2 Black Loss JPN Okabe Hiroshi 2518.00
3 Black Loss JPN Yamaguchi Yusui 2539.70
4 White Loss CHN Wu Di 2618.38
5 Black Loss EST Taimla Tunnet 2666.01
6 Black Win RUS Kozhin Mikhail 2505.90
7 Black Loss RUS Sushkov Vladimir 2659.90
8 White Loss RUS Savrasova Yulia 2576.75
9 White Win EST Purk Andry 2537.54
10 White Draw RUS Chingin Konstantin 2692.37
11 White Loss SWE Karlsson Stefan 2509.08
World Championship QT
Date 2007-08-08 Rating 2445.08
Round Color Result Opponent
1 Black Win JPN Ishitani Shin-ichi 2263.42
2 White Win ARM Poghosyan Albert 2304.19
3 White Draw JPN Okabe Hiroshi 2517.33
4 Black Win SWE Jonsson Peter 2263.14
5 Black Win CHN Qiu Yunfei 2407.01
6 White Win TPE Lin Huang-Yu 2449.41
7 White Win SWE Andersson Tord 2270.99
45th Meijinsen Qualification Kansai area final round
Date 2007-06-17 Rating 2439.85
Round Color Result Opponent
1 Black Win JPN Hata Masayuki 2198.46
2 Black Loss JPN Sakamoto Hirouji 2202.10
3 Black Win JPN Oosumi Yuuki 2438.39
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2432.02
Round Color Result Opponent
1 Black Loss JPN Ono Takayuki 2298.38
2 Black Win JPN Tanizaki Ryusuke 2053.35
4 White Loss JPN Isobe Taizan 2317.34
2nd Kansai Championship, Final Match
Date 2007-03-18 Rating 2432.01
Round Color Result Opponent
1 White Loss JPN Hasegawa Kazuto 2656.05
2 Black Loss JPN Hasegawa Kazuto 2656.05
2nd Kansai Championship 3rd round
Date 2007-01-14 Rating 2433.97
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2390.63
2 White Win JPN Sagara Takashi 2398.12
3 Black Draw JPN Takashima Junya 2398.06
2nd Kansai Championship 2nd round
Date 2006-10-15 Rating 2431.15
Round Color Result Opponent
1 Black Loss JPN Oosumi Yuuki 2366.81
2 Black Win JPN Doi Manabu 2012.16
3 Black Win JPN Ozawa Tetsushi 2037.55
4 Black Win JPN Takagawa Teiji 2207.70
The 44th Meijin-sen Tournament
Date 2006-09-18 Rating 2430.72
Round Color Result Opponent
1 White Draw JPN Nagao Noriaki 2232.19
2 White Loss JPN Okabe Hiroshi 2485.70
3 Black Loss JPN Kawamura Norihiko 2572.76
4 White Loss JPN Yamaguchi Yusui 2517.82
5 Black Win JPN Ishitani Shin-ichi 2246.25
6 Black Win JPN Oosumi Yuuki 2358.58
7 Black Win JPN Fujii Naoki 1980.50
8 White Win JPN Matsuura Hiroshi 2189.09
9 White Win JPN Sato Kiyotomi 2283.32
Asian Championship
Date 2006-08-15 Rating 2430.52
Round Color Result Opponent
1 White Draw JPN Kashihara Akihiko 2225.59
2 Black Win KOR Lee Jo-Sub 2289.83
3 Black Win JPN Oosumi Yuuki 2350.24
4 White Draw JPN Yamaguchi Yusui 2514.32
5 Black Win KOR Park Jeong Ho 2315.24
6 Black Loss KOR Kim Chang-Hoon 2456.02
7 Black Win JPN Ishitani Shin-ichi 2246.65
8 White Loss JPN Okabe Hiroshi 2483.51
Meijin-sen Qual, Kansai-Hokuriku area final round
Date 2006-06-18 Rating 2429.08
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2338.88
2 White Win JPN Takashima Junya 2382.86
3 White Win JPN Hata Masayuki 2206.18
Meijin-sen Qual, Kansai area 1st round
Date 2006-05-14 Rating 2425.55
Round Color Result Opponent
1 White Win JPN Okuda Shingo 1864.02
2 White Win JPN Hata Masayuki 2206.58
3 Black Win JPN Takagawa Teiji 2217.09
4 Black Win JPN Matsui Tsunehiro 2129.14
Team World Championship
Date 2006-05-05 Rating 2424.22
Round Color Result Opponent
1 White Loss FIN Pellikka Marko 2230.27
2 White Loss SWE Andersson Tord 2256.41
3 White Draw EST Oll Aivo 2550.77
4 Black Win RUS Skuridin Alexey 2334.35
5 Black Win CHN Ge Lingfeng 2308.95
6 White Loss RUS Savrasova Yulia 2547.26
7 White Win EST Sulane Sander 2023.31
F1 White Loss SWE Gaulitz Joachim 2374.17
F2 White Win SWE Andersson Tord 2256.41
1st Kansai Championship 2nd round
Date 2005-10-16 Rating 2411.14
Round Color Result Opponent
1 Black Win JPN Adachi Yasuhiro 1792.31
2 Black Win JPN Hata Masayuki 2193.53
3 White Draw JPN Takagawa Teiji 2229.45
4 Black Loss JPN Hasegawa Kazuto 2618.79
World Championship QT
Date 2005-07-31 Rating 2407.41
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2302.88
4 Black Win RUS Kozhin Mikhail 2480.89
5 Black Draw JPN Yamaguchi Yusui 2466.09
6 White Loss RUS Sushkov Vladimir 2599.91
7 White Win EST Ilu Timo 2421.52
43rd Meijinsen Qualification: Kansai area 1st round
Date 2005-05-08 Rating 2395.14
Round Color Result Opponent
1 White Win JPN Matsui Tsunehiro 2134.51
2 Black Win JPN Iwata Akihisa 2145.91
3 White Loss JPN Takashima Junya 2342.71
4 Black Loss JPN Tamura Kazumasa 2317.43
The 42nd Meijin-sen Tournament
Date 2004-09-20 Rating 2375.38
Round Color Result Opponent
1 White Win JPN Okabe Hiroshi 2425.56
2 White Loss JPN Kawamura Norihiko 2596.71
3 Black Win JPN Sakashita Shoichi 2119.40
4 White Loss JPN Ishitani Shin-ichi 2264.97
5 White Loss JPN Hasegawa Kazuto 2577.13
6 White Win JPN Saito Koji 2079.06
7 Black Loss JPN Sakamoto Hirouji 2152.02
8 White Loss JPN Matsuura Hiroshi 2250.13
9 White Win JPN Takagawa Teiji 2239.64
Team World Championship
Date 2004-05-05 Rating 2377.28
Round Color Result Opponent
1 Black Loss SWE Karlsson Stefan 2431.63
2 White Win BLR Degtyar Felix 1984.43
3 Black Loss EST Meritee Ando 2730.30
4 White Win UZB Khramov Andrey 2174.83
6 Black Win UKR Piddubny Konstantin 2088.97
7 Black Loss RUS Salnikov Pavel 2468.05
8 Black Loss RUS Kareyev Vladislav 2498.82
9 Black Draw RUS Sushkov Vladimir 2578.43
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2388.95
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2256.54
2 White Win JPN Miyagawa Junzo 2088.23
3 White Win JPN Takashima Junya 2204.19
4 White Loss JPN Kuga Akio 2268.41
5 White Loss JPN Hasegawa Kazuto 2539.57
6 Black Win JPN Kudomi Takahiro 2286.96
7 White Win JPN Ishitani Shin-ichi 2265.37
8 White Win JPN Isobe Taizan 2215.94
9 White Win JPN Okabe Hiroshi 2402.07
World Championship AT
Date 2003-08-08 Rating 2387.37
Round Color Result Opponent
1 White Draw JPN Yamaguchi Yusui 2475.08
2 White Loss EST Taimla Tunnet 2576.04
3 White Draw JPN Okabe Hiroshi 2400.91
4 White Loss RUS Chingin Konstantin 2608.02
5 White Loss EST Meritee Ando 2715.04
6 White Loss RUS Sinyov Igor 2487.83
7 White Draw SWE Karlsson Stefan 2429.83
8 White Win SWE Gaulitz Joachim 2317.12
9 White Win SWE Andersson Tord 2269.78
10 Black Win SWE Carlsson Martin 2279.91
11 Black Loss RUS Sushkov Vladimir 2581.63
World Championship QT
Date 2003-07-31 Rating 2386.98
Round Color Result Opponent
1 Black Win JPN Mitsumori Masao 2243.44
2 White Draw RUS Karasyov Maxim 2400.06
3 White Draw JPN Yamaguchi Yusui 2475.98
4 White Win TPE Chang Yi-Feng 2302.30
5 White Win JPN Ishitani Shin-ichi 2265.24
6 White Win AZE Eibatov Nizami 2284.24
7 White Draw RUS Sushkov Vladimir 2581.10
40th Meijin-sen Tournament
Date 2002-09-16 Rating 2329.95
Round Color Result Opponent
1 Black Loss JPN Takagawa Teiji 2251.15
2 Black Loss JPN Ishitani Shin-ichi 2266.95
3 Black Win JPN Okabe Hiroshi 2345.44
4 White Draw JPN Isobe Taizan 2228.90
5 White Loss JPN Hasegawa Kazuto 2522.72
6 White Loss JPN Yamaguchi Yusui 2490.87
7 Black Win JPN Nishimura Toshio 2225.58
8 Black Win JPN Kudomi Takahiro 2297.25
9 Black Win JPN Matsuura Hiroshi 2197.13
40th Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2002-06-16 Rating 2315.01
Round Color Result Opponent
1 White Win JPN Miyagawa Sou 1871.10
2 Black Win JPN Sakamoto Hirouji 2145.56
3 White Win JPN Ikeshima Wakio 1874.46
4 Black Draw JPN Miyagawa Junzo 2081.88
5 Black Draw JPN Takagawa Teiji 2250.46
Team World Championship
Date 2002-05-03 Rating 2307.75
Round Color Result Opponent
1 Black Loss EST Taimla Tunnet 2452.43
2 Black Loss RUS Dvoeglazov Vladimir 2256.40
3 Black Win UKR Drozd Olexandr 2158.48
4 White Loss SWE Carlsson Martin 2214.17
5 Black Loss SWE Gardstrom Petter 2385.02
6 White Win KOR Lee Yun-Sub 1976.10
7 White Loss RUS Semyonov Vladimir 2297.65
8 White Loss SWE Carlsson Martin 2214.17
9 White Win SWE Carlsson Martin 2214.17
The 39th Meijin-sen Tournament
Date 2001-09-24 Rating 2308.20
Round Color Result Opponent
1 White Loss JPN Kudomi Takahiro 2300.66
2 Black Win JPN Hayakawa Yoshimi 2353.33
3 White Win JPN Takagawa Teiji 2246.66
4 White Win JPN Maruyama Yasushi 2113.88
5 White Draw JPN Yamaguchi Yusui 2459.82
6 White Loss JPN Nishimura Toshio 2248.36
7 White Win JPN Matsuura Hiroshi 2178.71
8 White Loss JPN Nara Hideki 2463.36
9 White Loss JPN Hasegawa Kazuto 2508.45
World Championship BT
Date 2001-08-12 Rating 2307.89
Round Color Result Opponent
1 White Win JPN Tatsutomi Hiroyuki 2082.59
2 Black Win RUS Chernov Sergey 2213.63
3 Black Win JPN Ono Takayuki 2166.20
4 White Loss JPN Hasegawa Kazuto 2508.05
5 White Win UZB Khramov Andrey 2137.47
6 White Win JPN Sakamoto Hirouji 2160.49
7 White Loss JPN Kusajima Masato 2254.13
8 White Win JPN Kudomi Takahiro 2298.15
32-nd Kyoto Classified
Date 2000-11-12 Rating 2283.03
Round Color Result Opponent
1 White Loss JPN Nara Hideki 2485.67
2 Black Win JPN Sakamoto Hirouji 2164.52
3 Black Loss JPN Hasegawa Kazuto 2511.36
4 Black Win JPN Koiso Shigemasa 1973.00
38th Meijinsen Tournament
Date 2000-10-01 Rating 2279.12
Round Color Result Opponent
1 White Win JPN Fujinami Hisao 2124.63
2 Black Loss JPN Kudomi Takahiro 2278.55
3 White Loss JPN Hasegawa Kazuto 2511.86
4 White Loss JPN Arai Yutaka 2072.11
5 White Win JPN Nishizono Norio 2304.15
6 Black Draw JPN Hayakawa Yoshimi 2365.44
7 White Loss JPN Maruyama Yasushi 2118.22
8 Black Loss JPN Nara Hideki 2487.93
9 Black Win JPN Kusajima Masato 2227.47
Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2000-06-19 Rating 2277.51
Round Color Result Opponent
1 White Win JPN Sakamoto Hirouji 2170.31
2 White Loss JPN Hayakawa Yoshimi 2377.47
3 White Win JPN Takehara Kenji 1775.20
38th Meijinsen Qualification: Kansai area 1st Round
Date 2000-05-21 Rating 2276.96
Round Color Result Opponent
1 White Win JPN Tatsutomi Hiroyuki 2062.80
2 White Loss JPN Hayakawa Yoshimi 2380.05
3 Black Win JPN Matsui Tsunehiro 2169.15
4 White Win JPN Iwata Akihisa 2149.40