JPN Sakamoto Hirouji

Place: Osaka, Japan

Rating: 2188.56, Rank: 279

First game: 1991-08-10, Last game: 2020-06-21

Top rating: 2262.34 (2011-10-23)

Games: 283, Wins: 125, Draws: 13, Losses: 145

Gy1: 13, Gy2: 26, Gy5: 64

58 Meijinsen Qualificatuion Kansai area 1st round
Date 2020-06-21 Rating 2188.56
Round Color Result Opponent
2 White Win JPN Iio Yoshihiro 2320.07
3 White Loss JPN Tachi Masaya 2458.37
4 White Win JPN Hata Masayuki 2062.39
5 White Loss JPN Hayashi Shoichi 2103.99
15th All Japan Championship
Date 2020-01-19 Rating 2186.14
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2633.17
2 Black Loss JPN Hata Masayuki 2076.73
3 White Loss JPN Fujita Maiko 2235.19
4 Black Draw JPN Kito Shinichi 2118.90
5 White Win JPN Inoue Fumiya 2303.48
6 White Loss JPN Ono Takayuki 2296.89
15 Kansai Championship 1st round
Date 2019-10-20 Rating 2191.00
Round Color Result Opponent
1 White Win JPN Kito Shinichi 2121.12
2 White Win JPN Makino Mitsunori 2175.36
3 Black Win JPN Hayashi Shoichi 2095.68
57 Meijinsen Qualification Kansai area 1st round
Date 2019-05-19 Rating 2185.02
Round Color Result Opponent
1 Black Loss JPN Kito Shinichi 2131.82
2 Black Loss JPN Matsui Tsunehiro 2092.61
3 White Loss JPN Koiso Shigemasa 2017.03
50 Kyoto Classified Tournament
Date 2018-11-11 Rating 2204.77
Round Color Result Opponent
1 White Win JPN Hata Masayuki 2098.13
2 Black Loss JPN Hasegawa Kazuto 2510.99
3 White Win JPN Iio Yoshihiro 2391.02
4 White Win JPN Ozawa Tetsushi 1934.09
5 Black Loss JPN Tanaka Toshiki 2425.53
14 Kansai Championship 1st round
Date 2018-10-21 Rating 2205.55
Round Color Result Opponent
1 White Win JPN Sakamoto Ryuto 1955.38
2 Black Win JPN Masuda Yuuto 1817.94
3 White Loss JPN Hasegawa Kazuto 2509.19
4 Black Win JPN Hayashi Shoichi 2077.06
5 Black Win JPN Adachi Tomoya 1609.48
56 Meijinsen Qualification Kansai area 1st round
Date 2018-05-20 Rating 2205.66
Round Color Result Opponent
1 White Loss JPN Tachi Masaya 2472.26
2 White Win JPN Kashihara Akihiko 2259.07
3 White Win JPN Watanabe Nobuo 1895.41
4 White Loss JPN Kawamura Norihiko 2573.83
13 Kansai Championship 1st round
Date 2017-10-22 Rating 2199.01
Round Color Result Opponent
1 White Loss JPN Kawamura Norihiko 2560.97
2 White Loss JPN Tachi Masaya 2467.47
3 Black Loss JPN Matsui Tsunehiro 2105.57
4 White Win JPN Iio Yoshihiro 2453.05
55 Meijinsen Qualification Kansai area 1st round
Date 2017-05-21 Rating 2195.36
Round Color Result Opponent
1 White Win JPN Koiso Shigemasa 2020.68
2 White Loss JPN Tanaka Toshiki 2386.13
3 White Win JPN Ozawa Tetsushi 1960.63
4 White Loss JPN Hata Masayuki 2121.19
12th All Japan Championship
Date 2017-03-26 Rating 2195.62
Round Color Result Opponent
1 Black Loss JPN Kamiya Shunsuke 2686.29
2 Black Win JPN Nishida Toshio 2017.84
3 White Draw JPN Sato Kiyotomi 2395.28
4 White Loss JPN Tachi Masaya 2453.63
5 Black Loss JPN Maruta Koji 2085.80
6 Black Win JPN Maruta Hiroki 2042.65
12 Kansai Championship 2nd round
Date 2017-02-19 Rating 2195.98
Round Color Result Opponent
1 Black Loss JPN Iio Yoshihiro 2459.11
3 White Loss JPN Hasegawa Kazuto 2541.97
12 Kansai Championship 1st round
Date 2016-10-23 Rating 2199.87
Round Color Result Opponent
1 White Loss JPN Kubo Izumi 2045.35
3 White Win JPN Hasegawa Kazuto 2549.86
54 Meijinsen Qualification Kansai area 1st round
Date 2016-05-15 Rating 2203.06
Round Color Result Opponent
1 White Loss JPN Iio Yoshihiro 2470.73
2 Black Draw JPN Tanaka Toshiki 2381.15
3 White Win JPN Kubo Izumi 2037.50
4 White Win JPN Hata Masayuki 2111.16
11 Kansai Championship 2nd round
Date 2016-03-20 Rating 2201.23
Round Color Result Opponent
1 White Loss JPN Tachi Masaya 2400.50
2 Black Loss JPN Kashihara Akihiko 2262.33
3 Black Loss JPN Iio Yoshihiro 2465.51
47 Kyoto Classified Tournament
Date 2015-11-08 Rating 2205.11
Round Color Result Opponent
S1 Black Win JPN Ooi Kozo 2107.84
S2 Black Loss RUS Epifanov Dmitry 2610.65
S3 White Loss JPN Mano Yoshihisa 2278.00
S4 White Win JPN Tachi Masaya 2395.76
S5 Black Loss JPN Okabe Hiroshi 2631.72
11 Kansai Championship 1st round
Date 2015-10-25 Rating 2204.95
Round Color Result Opponent
1 Black Win JPN Matsui Tsunehiro 2132.23
2 Black Win JPN Kubo Izumi 2019.42
3 Black Loss JPN Kashihara Akihiko 2261.13
4 Black Loss JPN Tachi Masaya 2396.90
53 Meijinsen Qualification Kansai area 1st round
Date 2015-05-17 Rating 2203.28
Round Color Result Opponent
1 White Loss JPN Koiso Shigemasa 2098.97
2 Black Loss JPN Iio Yoshihiro 2441.64
3 Black Win JPN Hata Masayuki 2115.89
4 White Loss JPN Miyagawa Junzo 2160.22
10 Kansai Championship 2nd round
Date 2015-02-15 Rating 2209.31
Round Color Result Opponent
1 Black Win JPN Miyagawa Junzo 2157.24
2 White Loss JPN Iio Yoshihiro 2437.96
3 White Loss JPN Tachi Masaya 2396.14
46 Kyoto Classified Tournament
Date 2014-11-09 Rating 2216.11
Round Color Result Opponent
S1 Black Win JPN Ishitani Shin-ichi 2355.85
S2 White Loss JPN Iio Yoshihiro 2433.39
S3 Black Loss JPN Fukui Nobuhiro 2526.20
S4 Black Win JPN Matsuo Toshiko 1851.79
S5 White Win JPN Hata Masayuki 2126.73
10 Kansai Championship 1st round
Date 2014-10-26 Rating 2216.25
Round Color Result Opponent
2 White Win JPN Kubo Izumi 2012.81
3 Black Loss JPN Miyagawa Junzo 2149.52
4 Black Loss JPN Tachi Masaya 2388.60
5 White Win JPN Kon Akira 1923.29
52 Meijinsen Qualification Kansai area 2nd round
Date 2014-06-15 Rating 2222.17
Round Color Result Opponent
1 White Win JPN Kashihara Akihiko 2262.99
2 White Loss JPN Iio Yoshihiro 2444.15
3 Black Win JPN Miyagawa Junzo 2136.30
ex Black Loss JPN Kashihara Akihiko 2262.99
52 Meijinsen Qualification Kansai area 1st round
Date 2014-05-18 Rating 2222.84
Round Color Result Opponent
1 Black Loss JPN Ozawa Tetsushi 1987.28
2 White Win JPN Koiso Shigemasa 2089.64
3 White Win JPN Tachi Masaya 2371.96
4 White Draw JPN Iio Yoshihiro 2449.07
9th Kansai Championship 2nd round
Date 2014-02-16 Rating 2221.57
Round Color Result Opponent
1 Black Loss JPN Iio Yoshihiro 2455.59
2 Black Loss JPN Hasegawa Kazuto 2543.23
9th Kansai Championship 1st round
Date 2013-10-27 Rating 2222.86
Round Color Result Opponent
1 White Loss JPN Iio Yoshihiro 2441.29
2 White Win JPN Kubo Izumi 2027.09
4 Black Win JPN Watanabe Nobuo 1961.46
5 White Win JPN Kon Akira 1919.54
51 Meijinsen Qualification Kansai area 1st round
Date 2013-05-19 Rating 2220.49
Round Color Result Opponent
1 White Loss JPN Kon Akira 1925.64
2 White Loss JPN Iio Yoshihiro 2412.96
4 White Loss JPN Koiso Shigemasa 2082.78
5 White Win JPN Hata Masayuki 2177.46
50 Meijinsen Qualification Kansai area 2nd round
Date 2012-06-17 Rating 2249.07
Round Color Result Opponent
1 Black Loss JPN Iio Yoshihiro 2401.73
2 White Loss JPN Hasegawa Kazuto 2499.39
3 White Win JPN Kise Katsumi 2465.64
50 Meijinsen Qualification Kansai area 1st round
Date 2012-05-20 Rating 2250.84
Round Color Result Opponent
1 Black Win JPN Kubo Izumi 2015.72
2 White Loss JPN Kise Katsumi 2467.35
3 White Win JPN Hata Masayuki 2154.18
4 White Win JPN Koiso Shigemasa 2094.55
5 White Draw JPN Nakajima Osamu 2148.54
7th Kansai Championship 2nd round
Date 2012-02-19 Rating 2253.29
Round Color Result Opponent
1 White Loss JPN Iio Yoshihiro 2404.54
2 Black Loss JPN Kise Katsumi 2468.99
3 White Loss JPN Hata Masayuki 2154.63
7th All Japan Championship
Date 2012-01-29 Rating 2255.66
Round Color Result Opponent
1 Black Win JPN Kon Akira 1950.02
2 White Win JPN Tamada Yoichi 2410.50
3 Black Loss JPN Iio Yoshihiro 2404.91
4 White Win JPN Tada Ayako 2207.44
5 White Loss JPN Ono Takayuki 2340.67
6 White Loss JPN Nakayama Tomoharu 2519.62
43 Kyoto Classified Tournament
Date 2011-11-13 Rating 2261.90
Round Color Result Opponent
S1 Black Win JPN Iio Yoshihiro 2404.27
S2 Black Loss JPN Oosumi Yuuki 2687.54
S3 Black Win JPN Miyoshi Takeo 2095.36
S4 White Loss JPN Ishitani Shin-ichi 2315.43
S5 Black Win JPN Miyagawa Junzo 2146.80
7th Kansai Championship 1st round
Date 2011-10-23 Rating 2262.34
Round Color Result Opponent
1 White Loss JPN Hata Masayuki 2152.27
3 White Win JPN Miyagawa Junzo 2146.77
4 White Win JPN Kise Katsumi 2464.86
5 White Win JPN Koiso Shigemasa 2095.49
48th Meijinsen Tournament
Date 2010-09-20 Rating 2249.29
Round Color Result Opponent
1 Black Loss JPN Iio Yoshihiro 2436.08
2 White Loss JPN Okabe Hiroshi 2602.25
3 White Loss JPN Koiso Shigemasa 2092.38
4 Black Win JPN Ishitani Shin-ichi 2308.91
5 Black Win JPN Oosumi Yuuki 2620.30
6 Black Loss JPN Yamaguchi Yusui 2502.50
7 White Loss JPN Tamada Yoichi 2409.01
8 White Win JPN Kawano Takahisa 2257.16
9 White Loss JPN Matsuura Hiroshi 2275.19
Meijinsen Qualification Kansai area 2nd round
Date 2010-06-20 Rating 2246.46
Round Color Result Opponent
1 White Win JPN Koiso Shigemasa 2098.39
2 White Win JPN Ozawa Tetsushi 2012.71
3 Black Draw JPN Takagawa Teiji 2119.98
Meijinsen Qualification Kansai area
Date 2010-05-16 Rating 2244.53
Round Color Result Opponent
1 White Win JPN Ozawa Tetsushi 2009.80
2 White Win JPN Koiso Shigemasa 2099.08
3 White Win JPN Miyagawa Junzo 2135.50
4 Black Win JPN Yasumoto Yoshinobu 1916.38
5 Black Win JPN Takagawa Teiji 2121.79
5th Kansai Championship 2nd round
Date 2009-11-15 Rating 2216.68
Round Color Result Opponent
1 White Loss JPN Miyagawa Junzo 2131.93
2 White Loss JPN Iio Yoshihiro 2426.23
4 Black Win JPN Kon Akira 1922.00
41 Kyoto Classified Tournament
Date 2009-11-08 Rating 2215.97
Round Color Result Opponent
S1 White Loss JPN Oosumi Yuuki 2564.35
S2 Black Loss JPN Iio Yoshihiro 2425.90
S3 White Win JPN Yasumoto Yoshinobu 1914.24
S4 Black Win JPN Ishitani Shin-ichi 2287.80
S5 Black Loss JPN Okabe Hiroshi 2575.86
47th Meijinsen tournament
Date 2009-09-22 Rating 2210.20
Round Color Result Opponent
1 Black Loss JPN Yamaguchi Yusui 2476.91
2 Black Loss JPN Oosumi Yuuki 2561.08
3 White Loss JPN Matsuura Hiroshi 2241.30
4 White Loss JPN Kawamura Norihiko 2546.12
5 Black Loss JPN Ishitani Shin-ichi 2286.36
6 White Loss JPN Okabe Hiroshi 2571.60
7 White Loss JPN Tamura Kazumasa 2422.74
8 White Win JPN Kataoka Mitsuaki 2144.18
9 Black Loss JPN Iio Yoshihiro 2422.72
47th Meijinsen Qualification Kansai area 2nd round
Date 2009-06-21 Rating 2208.62
Round Color Result Opponent
1 White Win JPN Hata Masayuki 2120.75
2 White Win JPN Kubo Izumi 2024.41
3 White Loss JPN Oosumi Yuuki 2558.02
47th Meijinsen Qualification Kansai area 1st round
Date 2009-05-10 Rating 2206.31
Round Color Result Opponent
1 White Win JPN Kon Akira 1919.74
2 White Win JPN Ozawa Tetsushi 2003.07
3 White Win JPN Hata Masayuki 2129.12
4 White Win JPN Koiso Shigemasa 2085.15
5 White Draw JPN Kubo Izumi 2025.64
4th All Japan Championship
Date 2009-03-21 Rating 2200.28
Round Color Result Opponent
1 White Loss JPN Nakamura Shigeru 2769.84
2 White Win JPN Fujikawa Masaki 1995.84
3 White Loss JPN Okabe Hiroshi 2551.90
4 White Win JPN Kato Yasuhiro 1946.75
5 Black Loss JPN Iio Yoshihiro 2403.62
6 Black Loss JPN Maruta Hiroki 2014.34
4th Kansai Championship, 2nd round
Date 2008-11-16 Rating 2191.80
Round Color Result Opponent
1 White Loss JPN Iio Yoshihiro 2410.85
2 Black Win JPN Hata Masayuki 2165.99
3 White Loss JPN Miyagawa Junzo 2147.60
4 Black Loss JPN Kon Akira 1910.48
46th Meijinsen Qualification Kansai area 2nd round
Date 2008-06-15 Rating 2194.58
Round Color Result Opponent
1 White Win JPN Hata Masayuki 2192.82
2 White Loss JPN Iio Yoshihiro 2422.72
3 Black Loss JPN Miyagawa Junzo 2156.69
46th Meijinsen Qualification Kansai area 1st round
Date 2008-05-11 Rating 2195.91
Round Color Result Opponent
1 Black Win JPN Koiso Shigemasa 2080.39
2 White Loss JPN Miyagawa Junzo 2157.64
3 Black Win JPN Yasumoto Yoshinobu 1949.67
4 White Win JPN Hata Masayuki 2195.39
5 White Win JPN Tamura Kazumasa 2355.80
3 Kansai Championship 2nd round
Date 2007-10-21 Rating 2185.64
Round Color Result Opponent
1 White Loss JPN Koiso Shigemasa 2081.75
2 White Loss JPN Miyagawa Junzo 2156.58
3 Black Loss JPN Ozawa Tetsushi 2011.29
4 Black Win JPN Matsui Tsunehiro 2115.39
World Championship BT
Date 2007-08-15 Rating 2189.81
Round Color Result Opponent
3 White Loss SWE Eriksson Marcus 2216.81
4 Black Draw SWE Jonsson Peter 2250.46
5 Black Win RUS Dvoeglazov Vladimir 2269.59
6 White Loss ARM Poghosyan Albert 2291.71
7 Black Win RUS Pushkaryov Dmitry 2031.29
8 Black Draw RUS Golosov Viktor 2338.11
9 White Win RUS Saranchin Aleksandr 2017.74
World Championship QT
Date 2007-08-08 Rating 2189.91
Round Color Result Opponent
1 Black Loss UZB Khramov Andrey 2192.77
2 White Win SVK Eged Igor 2190.60
4 White Loss SWE Andersson Tord 2259.86
5 White Loss CHN Wu Di 2602.44
6 Black Win SWE Eriksson Marcus 2215.00
7 Black Loss SWE Jonsson Peter 2251.70
45th Meijinsen Qualification Kansai area final round
Date 2007-06-17 Rating 2192.06
Round Color Result Opponent
1 White Loss JPN Oosumi Yuuki 2428.26
2 White Win JPN Iio Yoshihiro 2429.16
3 White Loss JPN Hata Masayuki 2188.96
45th Meijinsen Qualification Kansai area - 1st round
Date 2007-05-13 Rating 2193.28
Round Color Result Opponent
1 Black Win JPN Yasumoto Yoshinobu 1950.40
2 White Loss JPN Oosumi Yuuki 2418.03
3 White Win JPN Ozawa Tetsushi 2023.15
4 White Win JPN Takagawa Teiji 2178.45
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2192.31
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2028.26
2 White Draw JPN Ishitani Shin-ichi 2247.62
2nd Kansai Championship 2nd round
Date 2006-10-15 Rating 2184.85
Round Color Result Opponent
1 White Win JPN Doi Manabu 2004.00
2 White Loss JPN Oosumi Yuuki 2357.27
3 White Win JPN Koiso Shigemasa 2073.44
4 White Loss JPN Sagara Takashi 2392.32
Meijin-sen Qual, Kansai area 1st round
Date 2006-05-14 Rating 2176.54
Round Color Result Opponent
1 White Loss JPN Takagawa Teiji 2207.64
2 White Win JPN Miyagawa Sou 2010.43
3 White Win JPN Hayashi Koji 1775.76
4 White Win JPN Koiso Shigemasa 2076.29
1st Kansai Championship 3rd round
Date 2006-01-08 Rating 2167.19
Round Color Result Opponent
1 White Loss JPN Hasegawa Kazuto 2620.16
2 White Loss JPN Sagara Takashi 2381.65
3 White Loss JPN Takashima Junya 2369.29
1st Kansai Championship 2nd round
Date 2005-10-16 Rating 2164.28
Round Color Result Opponent
1 White Loss JPN Hata Masayuki 2184.81
2 White Win JPN Miyagawa Sou 1984.75
3 White Win JPN Matsui Tsunehiro 2120.06
4 White Win JPN Takagawa Teiji 2220.08
43rd Meijinsen Qualification: Kansai area 1st round
Date 2005-05-08 Rating 2149.04
Round Color Result Opponent
1 Black Win JPN Miyagawa Sou 1956.31
2 Black Loss JPN Takashima Junya 2333.27
3 White Loss JPN Iwata Akihisa 2139.59
4 White Loss JPN Takagawa Teiji 2222.66
The 42nd Meijin-sen Tournament
Date 2004-09-20 Rating 2142.97
Round Color Result Opponent
1 Black Loss JPN Takagawa Teiji 2230.56
2 White Loss JPN Okabe Hiroshi 2398.39
3 Black Win JPN Saito Koji 2071.08
4 White Loss JPN Sakashita Shoichi 2111.40
5 White Loss JPN Kawamura Norihiko 2591.52
6 White Loss JPN Hasegawa Kazuto 2569.03
7 White Win JPN Iio Yoshihiro 2366.41
8 White Win JPN Ishitani Shin-ichi 2255.41
9 White Loss JPN Matsuura Hiroshi 2241.00
World Championship BT
Date 2003-08-08 Rating 2125.61
Round Color Result Opponent
1 Black Loss AZE Dzainukov Eldar 2043.28
2 White Loss RUS Chernov Sergey 2233.77
3 White Win EST Lillemets Rauni 1901.63
4 Black Win SWE Eriksson Marcus 2136.77
5 White Win CZE Neuman Petr 2062.62
6 White Loss CHN Chen Wei 2419.77
7 Black Loss RUS Makarov Pavel 2384.32
9 White Loss EST Ilu Timo 2294.80
World Championship QT
Date 2003-07-31 Rating 2125.53
Round Color Result Opponent
1 White Loss TPE Chen Ko-Han 2331.61
2 White Loss FIN Pellikka Marko 2179.84
3 White Loss SWE Gardstrom Petter 2325.35
4 Black Win CZE Rybka Ales 2143.90
5 White Win CZE Pelikan Alan 1807.13
6 White Loss TPE Lu Wei-Yuan 2149.02
7 White Win UKR Yakovleva Alyona 1853.74
40th Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2002-06-16 Rating 2137.46
Round Color Result Opponent
2 White Loss JPN Iio Yoshihiro 2308.04
World Championship BT
Date 2001-08-12 Rating 2152.65
Round Color Result Opponent
1 White Win JPN Niwa Yoshiko 1438.50
2 Black Win TPE Chang Yi-Feng 2236.04
3 White Win CHN Wang Zi 2051.44
4 Black Win AZE Eibatov Nizami 2265.16
5 White Loss JPN Hasegawa Kazuto 2498.44
6 Black Loss JPN Iio Yoshihiro 2301.52
7 White Loss KOR Kwon Jun-Chul 2191.60
8 Black Loss JPN Okabe Hiroshi 2272.84
32-nd Kyoto Classified - Special class
Date 2000-11-12 Rating 2156.96
Round Color Result Opponent
2 White Loss JPN Iio Yoshihiro 2277.08
Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2000-06-19 Rating 2162.88
Round Color Result Opponent
1 Black Loss JPN Iio Yoshihiro 2271.85
38th Meijinsen Qualification: Kansai area 1st Round
Date 2000-05-21 Rating 2164.80
Round Color Result Opponent
1 White Win JPN Hata Masayuki 2061.80
2 Black Win JPN Iida Koichi 2030.07
3 White Loss JPN Hayakawa Yoshimi 2384.46
4 White Loss JPN Matsui Tsunehiro 2162.47
Team World Championship
Date 2000-05-06 Rating 2165.86
Round Color Result Opponent
1 Black Win RUS Ses Pavel 2275.31
2 White Win EST Tihkan Evelyn 2005.62
4 White Win RUS Ses Pavel 2275.31
5 Black Win EST Tihkan Evelyn 2005.62
7 White Win SWE Andersson Tord 2170.05
8 White Loss SWE Andersson Tord 2170.05
9 Black Loss RUS Ses Pavel 2275.31
10 White Loss RUS Ses Pavel 2275.31
World Championship BT
Date 1999-08-05 Rating 2160.89
Round Color Result Opponent
1 White Draw TPE Chang Yi-Feng 2191.37
3 White Loss SWE Gardstrom Petter 2346.68
7 White Loss SWE Andersson Tord 2156.06
8 Black Win UZB Khramov Andrey 2142.75
9 Black Draw RUS Filippov Sergey 2255.75
World Championship BT
Date 1991-08-10 Rating 2132.34
Round Color Result Opponent
1 White Draw RUS Semyonov Vladimir 2107.82
2 White Win SWE Karlsson Stefan 2123.73