JPN Sakamoto Hirouji

Place: Osaka, Japan

Rating: 2167.99, Rank: 282

First game: 1991-08-10, Last game: 2020-01-19

Top rating: 2260.18 (2011-10-23)

Games: 272, Wins: 120, Draws: 11, Losses: 141

Gy1: 12, Gy2: 26, Gy5: 64

15th All Japan Championship
Date 2020-01-19 Rating 2167.99
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2627.67
2 Black Loss JPN Hata Masayuki 2118.81
3 White Loss JPN Fujita Maiko 2218.76
4 Black Draw JPN Kito Shinichi 2078.26
5 White Win JPN Inoue Fumiya 2291.52
6 White Loss JPN Ono Takayuki 2285.39
15 Kansai Championship 1st round
Date 2019-10-20 Rating 2173.78
Round Color Result Opponent
1 White Win JPN Kito Shinichi 2082.55
2 White Win JPN Makino Mitsunori 2121.17
3 Black Win JPN Hayashi Shoichi 2060.52
57 Meijinsen Qualification Kansai area 1st round
Date 2019-05-19 Rating 2170.57
Round Color Result Opponent
1 Black Loss JPN Kito Shinichi 2096.21
2 Black Loss JPN Matsui Tsunehiro 2086.99
3 White Loss JPN Koiso Shigemasa 2013.64
50 Kyoto Classified Tournament
Date 2018-11-11 Rating 2193.79
Round Color Result Opponent
1 White Win JPN Hata Masayuki 2119.00
2 Black Loss JPN Hasegawa Kazuto 2510.30
3 White Win JPN Iio Yoshihiro 2406.12
4 White Win JPN Ozawa Tetsushi 1932.78
5 Black Loss JPN Tanaka Toshiki 2426.67
14 Kansai Championship 1st round
Date 2018-10-21 Rating 2194.81
Round Color Result Opponent
1 White Win JPN Sakamoto Ryuto 1942.73
2 Black Win JPN Masuda Yuuto 1810.07
3 White Loss JPN Hasegawa Kazuto 2508.43
4 Black Win JPN Hayashi Shoichi 2052.69
5 Black Win JPN Adachi Tomoya 1592.39
56 Meijinsen Qualification Kansai area 1st round
Date 2018-05-20 Rating 2196.75
Round Color Result Opponent
1 White Loss JPN Tachi Masaya 2472.31
2 White Win JPN Kashihara Akihiko 2254.74
3 White Win JPN Watanabe Nobuo 1893.78
4 White Loss JPN Kawamura Norihiko 2572.78
13 Kansai Championship 1st round
Date 2017-10-22 Rating 2192.25
Round Color Result Opponent
1 White Loss JPN Kawamura Norihiko 2560.15
2 White Loss JPN Tachi Masaya 2466.67
3 Black Loss JPN Matsui Tsunehiro 2101.44
4 White Win JPN Iio Yoshihiro 2457.01
55 Meijinsen Qualification Kansai area 1st round
Date 2017-05-21 Rating 2189.93
Round Color Result Opponent
1 White Win JPN Koiso Shigemasa 2017.69
2 White Loss JPN Tanaka Toshiki 2386.05
3 White Win JPN Ozawa Tetsushi 1958.95
4 White Loss JPN Hata Masayuki 2130.62
12th All Japan Championship
Date 2017-03-26 Rating 2190.54
Round Color Result Opponent
1 Black Loss JPN Kamiya Shunsuke 2683.44
2 Black Win JPN Nishida Toshio 2016.73
3 White Draw JPN Sato Kiyotomi 2391.70
4 White Loss JPN Tachi Masaya 2452.39
5 Black Loss JPN Maruta Koji 2081.03
6 Black Win JPN Maruta Hiroki 2037.41
12 Kansai Championship 2nd round
Date 2017-02-19 Rating 2191.09
Round Color Result Opponent
1 Black Loss JPN Iio Yoshihiro 2460.35
3 White Loss JPN Hasegawa Kazuto 2541.01
12 Kansai Championship 1st round
Date 2016-10-23 Rating 2195.57
Round Color Result Opponent
1 White Loss JPN Kubo Izumi 2043.16
3 White Win JPN Hasegawa Kazuto 2548.75
54 Meijinsen Qualification Kansai area 1st round
Date 2016-05-15 Rating 2199.50
Round Color Result Opponent
1 White Loss JPN Iio Yoshihiro 2470.29
2 Black Draw JPN Tanaka Toshiki 2380.40
3 White Win JPN Kubo Izumi 2035.33
4 White Win JPN Hata Masayuki 2115.93
11 Kansai Championship 2nd round
Date 2016-03-20 Rating 2197.84
Round Color Result Opponent
1 White Loss JPN Tachi Masaya 2398.89
2 Black Loss JPN Kashihara Akihiko 2259.63
3 Black Loss JPN Iio Yoshihiro 2464.89
47 Kyoto Classified Tournament
Date 2015-11-08 Rating 2202.10
Round Color Result Opponent
S1 Black Win JPN Ooi Kozo 2106.10
S2 Black Loss RUS Epifanov Dmitry 2609.05
S3 White Loss JPN Mano Yoshihisa 2277.43
S4 White Win JPN Tachi Masaya 2394.04
S5 Black Loss JPN Okabe Hiroshi 2629.42
11 Kansai Championship 1st round
Date 2015-10-25 Rating 2201.97
Round Color Result Opponent
1 Black Win JPN Matsui Tsunehiro 2129.32
2 Black Win JPN Kubo Izumi 2017.28
3 Black Loss JPN Kashihara Akihiko 2258.66
4 Black Loss JPN Tachi Masaya 2395.18
53 Meijinsen Qualification Kansai area 1st round
Date 2015-05-17 Rating 2200.63
Round Color Result Opponent
1 White Loss JPN Koiso Shigemasa 2096.44
2 Black Loss JPN Iio Yoshihiro 2440.45
3 Black Win JPN Hata Masayuki 2117.56
4 White Loss JPN Miyagawa Junzo 2158.41
10 Kansai Championship 2nd round
Date 2015-02-15 Rating 2206.79
Round Color Result Opponent
1 Black Win JPN Miyagawa Junzo 2155.39
2 White Loss JPN Iio Yoshihiro 2436.65
3 White Loss JPN Tachi Masaya 2394.33
46 Kyoto Classified Tournament
Date 2014-11-09 Rating 2213.71
Round Color Result Opponent
S1 Black Win JPN Ishitani Shin-ichi 2353.89
S2 White Loss JPN Iio Yoshihiro 2431.98
S3 Black Loss JPN Fukui Nobuhiro 2524.33
S4 Black Win JPN Matsuo Toshiko 1850.50
S5 White Win JPN Hata Masayuki 2127.60
10 Kansai Championship 1st round
Date 2014-10-26 Rating 2213.85
Round Color Result Opponent
2 White Win JPN Kubo Izumi 2010.70
3 Black Loss JPN Miyagawa Junzo 2147.64
4 Black Loss JPN Tachi Masaya 2386.74
5 White Win JPN Kon Akira 1921.08
52 Meijinsen Qualification Kansai area 2nd round
Date 2014-06-15 Rating 2219.85
Round Color Result Opponent
1 White Win JPN Kashihara Akihiko 2260.74
2 White Loss JPN Iio Yoshihiro 2442.61
3 Black Win JPN Miyagawa Junzo 2134.41
ex Black Loss JPN Kashihara Akihiko 2260.74
52 Meijinsen Qualification Kansai area 1st round
Date 2014-05-18 Rating 2220.53
Round Color Result Opponent
1 Black Loss JPN Ozawa Tetsushi 1984.91
2 White Win JPN Koiso Shigemasa 2087.24
3 White Win JPN Tachi Masaya 2370.08
4 White Draw JPN Iio Yoshihiro 2447.50
9th Kansai Championship 2nd round
Date 2014-02-16 Rating 2219.29
Round Color Result Opponent
1 Black Loss JPN Iio Yoshihiro 2453.98
2 Black Loss JPN Hasegawa Kazuto 2541.65
9th Kansai Championship 1st round
Date 2013-10-27 Rating 2220.61
Round Color Result Opponent
1 White Loss JPN Iio Yoshihiro 2439.62
2 White Win JPN Kubo Izumi 2025.00
4 Black Win JPN Watanabe Nobuo 1959.34
5 White Win JPN Kon Akira 1917.28
51 Meijinsen Qualification Kansai area 1st round
Date 2013-05-19 Rating 2218.27
Round Color Result Opponent
1 White Loss JPN Kon Akira 1923.36
2 White Loss JPN Iio Yoshihiro 2411.23
4 White Loss JPN Koiso Shigemasa 2080.45
5 White Win JPN Hata Masayuki 2176.60
50 Meijinsen Qualification Kansai area 2nd round
Date 2012-06-17 Rating 2246.86
Round Color Result Opponent
1 Black Loss JPN Iio Yoshihiro 2399.87
2 White Loss JPN Hasegawa Kazuto 2497.75
3 White Win JPN Kise Katsumi 2463.80
50 Meijinsen Qualification Kansai area 1st round
Date 2012-05-20 Rating 2248.64
Round Color Result Opponent
1 Black Win JPN Kubo Izumi 2013.58
2 White Loss JPN Kise Katsumi 2465.50
3 White Win JPN Hata Masayuki 2152.76
4 White Win JPN Koiso Shigemasa 2092.26
5 White Draw JPN Nakajima Osamu 2141.03
7th Kansai Championship 2nd round
Date 2012-02-19 Rating 2251.11
Round Color Result Opponent
1 White Loss JPN Iio Yoshihiro 2402.62
2 Black Loss JPN Kise Katsumi 2467.17
3 White Loss JPN Hata Masayuki 2153.10
7th All Japan Championship
Date 2012-01-29 Rating 2253.49
Round Color Result Opponent
1 Black Win JPN Kon Akira 1947.71
2 White Win JPN Tamada Yoichi 2408.57
3 Black Loss JPN Iio Yoshihiro 2402.99
4 White Win JPN Tada Ayako 2205.33
5 White Loss JPN Ono Takayuki 2338.95
6 White Loss JPN Nakayama Tomoharu 2517.25
43 Kyoto Classified Tournament
Date 2011-11-13 Rating 2259.74
Round Color Result Opponent
S1 Black Win JPN Iio Yoshihiro 2402.33
S2 Black Loss JPN Oosumi Yuuki 2686.64
S3 Black Win JPN Miyoshi Takeo 2093.44
S4 White Loss JPN Ishitani Shin-ichi 2313.62
S5 Black Win JPN Miyagawa Junzo 2144.87
7th Kansai Championship 1st round
Date 2011-10-23 Rating 2260.18
Round Color Result Opponent
1 White Loss JPN Hata Masayuki 2150.61
3 White Win JPN Miyagawa Junzo 2144.84
4 White Win JPN Kise Katsumi 2463.11
5 White Win JPN Koiso Shigemasa 2093.20
48th Meijinsen Tournament
Date 2010-09-20 Rating 2247.11
Round Color Result Opponent
1 Black Loss JPN Iio Yoshihiro 2434.05
2 White Loss JPN Okabe Hiroshi 2600.55
3 White Loss JPN Koiso Shigemasa 2090.02
4 Black Win JPN Ishitani Shin-ichi 2307.03
5 Black Win JPN Oosumi Yuuki 2618.70
6 Black Loss JPN Yamaguchi Yusui 2500.60
7 White Loss JPN Tamada Yoichi 2407.17
8 White Win JPN Kawano Takahisa 2255.14
9 White Loss JPN Matsuura Hiroshi 2272.97
Meijinsen Qualification Kansai area 2nd round
Date 2010-06-20 Rating 2244.27
Round Color Result Opponent
1 White Win JPN Koiso Shigemasa 2095.99
2 White Win JPN Ozawa Tetsushi 2010.62
3 Black Draw JPN Takagawa Teiji 2117.42
Meijinsen Qualification Kansai area
Date 2010-05-16 Rating 2242.33
Round Color Result Opponent
1 White Win JPN Ozawa Tetsushi 2007.71
2 White Win JPN Koiso Shigemasa 2096.67
3 White Win JPN Miyagawa Junzo 2133.47
4 Black Win JPN Yasumoto Yoshinobu 1914.52
5 Black Win JPN Takagawa Teiji 2119.21
5th Kansai Championship 2nd round
Date 2009-11-15 Rating 2214.46
Round Color Result Opponent
1 White Loss JPN Miyagawa Junzo 2129.87
2 White Loss JPN Iio Yoshihiro 2423.97
4 Black Win JPN Kon Akira 1919.97
41 Kyoto Classified Tournament
Date 2009-11-08 Rating 2213.74
Round Color Result Opponent
S1 White Loss JPN Oosumi Yuuki 2562.32
S2 Black Loss JPN Iio Yoshihiro 2423.63
S3 White Win JPN Yasumoto Yoshinobu 1912.40
S4 Black Win JPN Ishitani Shin-ichi 2285.72
S5 Black Loss JPN Okabe Hiroshi 2574.02
47th Meijinsen tournament
Date 2009-09-22 Rating 2207.96
Round Color Result Opponent
1 Black Loss JPN Yamaguchi Yusui 2474.83
2 Black Loss JPN Oosumi Yuuki 2558.99
3 White Loss JPN Matsuura Hiroshi 2238.94
4 White Loss JPN Kawamura Norihiko 2546.49
5 Black Loss JPN Ishitani Shin-ichi 2284.22
6 White Loss JPN Okabe Hiroshi 2569.74
7 White Loss JPN Tamura Kazumasa 2421.02
8 White Win JPN Kataoka Mitsuaki 2142.11
9 Black Loss JPN Iio Yoshihiro 2420.38
47th Meijinsen Qualification Kansai area 2nd round
Date 2009-06-21 Rating 2206.35
Round Color Result Opponent
1 White Win JPN Hata Masayuki 2118.42
2 White Win JPN Kubo Izumi 2022.54
3 White Loss JPN Oosumi Yuuki 2555.77
47th Meijinsen Qualification Kansai area 1st round
Date 2009-05-10 Rating 2204.01
Round Color Result Opponent
1 White Win JPN Kon Akira 1917.75
2 White Win JPN Ozawa Tetsushi 2001.01
3 White Win JPN Hata Masayuki 2126.76
4 White Win JPN Koiso Shigemasa 2082.51
5 White Draw JPN Kubo Izumi 2023.80
4th All Japan Championship
Date 2009-03-21 Rating 2197.96
Round Color Result Opponent
1 White Loss JPN Nakamura Shigeru 2767.59
2 White Win JPN Fujikawa Masaki 1993.83
3 White Loss JPN Okabe Hiroshi 2550.11
4 White Win JPN Kato Yasuhiro 1944.85
5 Black Loss JPN Iio Yoshihiro 2401.07
6 Black Loss JPN Maruta Hiroki 2012.46
4th Kansai Championship, 2nd round
Date 2008-11-16 Rating 2189.40
Round Color Result Opponent
1 White Loss JPN Iio Yoshihiro 2408.35
2 Black Win JPN Hata Masayuki 2163.50
3 White Loss JPN Miyagawa Junzo 2145.46
4 Black Loss JPN Kon Akira 1908.51
46th Meijinsen Qualification Kansai area 2nd round
Date 2008-06-15 Rating 2192.09
Round Color Result Opponent
1 White Win JPN Hata Masayuki 2190.18
2 White Loss JPN Iio Yoshihiro 2420.24
3 Black Loss JPN Miyagawa Junzo 2154.51
46th Meijinsen Qualification Kansai area 1st round
Date 2008-05-11 Rating 2193.40
Round Color Result Opponent
1 Black Win JPN Koiso Shigemasa 2077.39
2 White Loss JPN Miyagawa Junzo 2155.46
3 Black Win JPN Yasumoto Yoshinobu 1947.83
4 White Win JPN Hata Masayuki 2192.71
5 White Win JPN Tamura Kazumasa 2353.73
3 Kansai Championship 2nd round
Date 2007-10-21 Rating 2182.99
Round Color Result Opponent
1 White Loss JPN Koiso Shigemasa 2078.50
2 White Loss JPN Miyagawa Junzo 2154.41
3 Black Loss JPN Ozawa Tetsushi 2009.08
4 Black Win JPN Matsui Tsunehiro 2110.88
World Championship BT
Date 2007-08-15 Rating 2187.12
Round Color Result Opponent
3 White Loss SWE Eriksson Marcus 2216.21
4 Black Draw SWE Jonsson Peter 2250.54
5 Black Win RUS Dvoeglazov Vladimir 2279.76
6 White Loss ARM Poghosyan Albert 2292.48
7 Black Win RUS Pushkaryov Dmitry 2031.24
8 Black Draw RUS Golosov Viktor 2337.23
9 White Win RUS Saranchin Aleksandr 2015.81
World Championship QT
Date 2007-08-08 Rating 2187.20
Round Color Result Opponent
1 Black Loss UZB Khramov Andrey 2177.49
2 White Win SVK Eged Igor 2188.23
4 White Loss SWE Andersson Tord 2259.26
5 White Loss CHN Wu Di 2597.11
6 Black Win SWE Eriksson Marcus 2214.41
7 Black Loss SWE Jonsson Peter 2251.79
45th Meijinsen Qualification Kansai area final round
Date 2007-06-17 Rating 2189.22
Round Color Result Opponent
1 White Loss JPN Oosumi Yuuki 2425.93
2 White Win JPN Iio Yoshihiro 2426.48
3 White Loss JPN Hata Masayuki 2185.93
45th Meijinsen Qualification Kansai area - 1st round
Date 2007-05-13 Rating 2190.35
Round Color Result Opponent
1 Black Win JPN Yasumoto Yoshinobu 1948.62
2 White Loss JPN Oosumi Yuuki 2415.66
3 White Win JPN Ozawa Tetsushi 2020.92
4 White Win JPN Takagawa Teiji 2175.13
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2189.25
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2026.39
2 White Draw JPN Ishitani Shin-ichi 2244.15
2nd Kansai Championship 2nd round
Date 2006-10-15 Rating 2181.36
Round Color Result Opponent
1 White Win JPN Doi Manabu 2001.65
2 White Loss JPN Oosumi Yuuki 2354.66
3 White Win JPN Koiso Shigemasa 2069.54
4 White Loss JPN Sagara Takashi 2388.17
Meijin-sen Qual, Kansai area 1st round
Date 2006-05-14 Rating 2172.62
Round Color Result Opponent
1 White Loss JPN Takagawa Teiji 2203.89
2 White Win JPN Miyagawa Sou 2008.17
3 White Win JPN Hayashi Koji 1774.11
4 White Win JPN Koiso Shigemasa 2072.08
1st Kansai Championship 3rd round
Date 2006-01-08 Rating 2162.90
Round Color Result Opponent
1 White Loss JPN Hasegawa Kazuto 2616.56
2 White Loss JPN Sagara Takashi 2377.13
3 White Loss JPN Takashima Junya 2365.73
1st Kansai Championship 2nd round
Date 2005-10-16 Rating 2159.73
Round Color Result Opponent
1 White Loss JPN Hata Masayuki 2180.92
2 White Win JPN Miyagawa Sou 1982.70
3 White Win JPN Matsui Tsunehiro 2114.09
4 White Win JPN Takagawa Teiji 2216.05
43rd Meijinsen Qualification: Kansai area 1st round
Date 2005-05-08 Rating 2143.98
Round Color Result Opponent
1 Black Win JPN Miyagawa Sou 1954.37
2 Black Loss JPN Takashima Junya 2329.53
3 White Loss JPN Iwata Akihisa 2109.52
4 White Loss JPN Takagawa Teiji 2218.41
The 42nd Meijin-sen Tournament
Date 2004-09-20 Rating 2137.68
Round Color Result Opponent
1 Black Loss JPN Takagawa Teiji 2225.83
2 White Loss JPN Okabe Hiroshi 2394.31
3 Black Win JPN Saito Koji 2066.80
4 White Loss JPN Sakashita Shoichi 2107.66
5 White Loss JPN Kawamura Norihiko 2585.61
6 White Loss JPN Hasegawa Kazuto 2564.84
7 White Win JPN Iio Yoshihiro 2361.36
8 White Win JPN Ishitani Shin-ichi 2244.35
9 White Loss JPN Matsuura Hiroshi 2236.47
World Championship BT
Date 2003-08-08 Rating 2119.93
Round Color Result Opponent
1 Black Loss AZE Dzainukov Eldar 2051.56
2 White Loss RUS Chernov Sergey 2258.51
3 White Win EST Lillemets Rauni 1908.37
4 Black Win SWE Eriksson Marcus 2136.67
5 White Win CZE Neuman Petr 2022.47
6 White Loss CHN Chen Wei 2429.02
7 Black Loss RUS Makarov Pavel 2375.43
9 White Loss EST Ilu Timo 2317.97
World Championship QT
Date 2003-07-31 Rating 2119.80
Round Color Result Opponent
1 White Loss TPE Chen Ko-Han 2331.29
2 White Loss FIN Pellikka Marko 2182.26
3 White Loss SWE Gardstrom Petter 2321.63
4 Black Win CZE Rybka Ales 2133.56
5 White Win CZE Pelikan Alan 1909.32
6 White Loss TPE Lu Wei-Yuan 2150.91
7 White Win UKR Yakovleva Alyona 1857.33
40th Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2002-06-16 Rating 2125.44
Round Color Result Opponent
2 White Loss JPN Iio Yoshihiro 2302.52
World Championship BT
Date 2001-08-12 Rating 2135.75
Round Color Result Opponent
1 White Win JPN Niwa Yoshiko 1411.59
2 Black Win TPE Chang Yi-Feng 2236.87
3 White Win CHN Wang Zi 2050.49
4 Black Win AZE Eibatov Nizami 2276.14
5 White Loss JPN Hasegawa Kazuto 2493.79
6 Black Loss JPN Iio Yoshihiro 2295.20
7 White Loss KOR Kwon Jun-Chul 2185.73
8 Black Loss JPN Okabe Hiroshi 2265.32
32-nd Kyoto Classified - Special class
Date 2000-11-12 Rating 2133.14
Round Color Result Opponent
2 White Loss JPN Iio Yoshihiro 2269.59
Meijinsen Qualification: Kansai-Hokuriku 2nd Round
Date 2000-06-19 Rating 2135.14
Round Color Result Opponent
1 Black Loss JPN Iio Yoshihiro 2263.31
38th Meijinsen Qualification: Kansai area 1st Round
Date 2000-05-21 Rating 2136.24
Round Color Result Opponent
1 White Win JPN Hata Masayuki 2055.63
2 Black Win JPN Iida Koichi 2021.27
3 White Loss JPN Hayakawa Yoshimi 2366.34
4 White Loss JPN Matsui Tsunehiro 2154.04
Team World Championship
Date 2000-05-06 Rating 2136.76
Round Color Result Opponent
2 White Win EST Tihkan Evelyn 1995.64
4 White Win RUS Ses Pavel 2283.01
7 White Win SWE Andersson Tord 2192.34
8 White Loss SWE Andersson Tord 2192.34
10 Black Loss RUS Ses Pavel 2283.01
10 White Loss RUS Ses Pavel 2283.01
World Championship BT
Date 1991-08-10 Rating 2114.14
Round Color Result Opponent
1 White Draw RUS Semyonov Vladimir 2079.09
2 White Win SWE Karlsson Stefan 2116.49