Maruta Koji, Japan - Renju Rating

Maruta Koji (丸田光治)

Place: Tokyo, Japan

Rating: 2078.66, Std: 102.62, Rank: 480

First game: 1996-03-01, Last game: 2022-07-31

Top rating: 2196.87 (2003-11-16)

Games: 225, Wins: 89, Draws: 8, Losses: 128

Gy1: 5, Gy2: 19, Gy5: 48

39 Kanto Championship
Date 2022-07-31 Rating 2078.66
Round Color Result Opponent
2 White Win Li Haoyang 1908.14
3 White Loss Ishitani Shin-ichi 2259.36
Special Tournament
Date 2022-04-10 Rating 2078.56
Round Color Result Opponent
1 White Loss Fujita Maiko 2323.67
2 White Loss Inoue Fumiya 2422.17
3 White Win Maruta Hiroki 2152.94
38 Kanto Championship
Date 2021-08-08 Rating 2073.13
Round Color Result Opponent
1 White Loss Inoue Fumiya 2424.71
2 White Win Kobayashi Nanako 1958.77
3 White Win Fujita Maiko 2290.72
16th All Japan Championship
Date 2021-03-28 Rating 2060.28
Round Color Result Opponent
1 White Loss Makino Mitsunori 2492.58
2 White Loss Ishitani Shin-ichi 2291.01
3 White Loss Yoshimoto Yuta 2169.43
4 White Loss Kawaai Hitoshi 1959.19
5 White Loss Suenaga Daiki 2222.54
6 Black Win Maruta Hiroki 2170.62
24th New Year(Mikami)Cup
Date 2021-01-29 Rating 2058.57
Round Color Result Opponent
S1 Black Win Maruta Hiroki 2169.84
S2 White Loss Makino Mitsunori 2486.70
S3 White Loss Okabe Hiroshi 2676.16
S4 Black Loss Ono Takayuki 2336.79
S5 White Loss Ishitani Shin-ichi 2304.19
21 Renju Emperor Tournament Kanto area 1st round
Date 2020-11-15 Rating 2055.34
Round Color Result Opponent
1 White Loss Kawaai Hitoshi 1960.69
2 White Loss Suenaga Daiki 2224.17
3 White Loss Shimura Hiroki 1947.47
4 White Win Kasahara Reiko 1631.43
37 Kanto Championship
Date 2020-08-10 Rating 2061.80
Round Color Result Opponent
3 White Win Okada Akihiro 1879.41
5 Black Loss Kato Yasuhiro 2047.75
6 Black Win Shimura Hiroki 1925.56
58 Meijinsen Qualification Kanto area 1st round
Date 2020-06-21 Rating 2064.94
Round Color Result Opponent
1 White Loss Fujita Maiko 2307.57
2 White Win Ito Midori 1713.92
20 Renju Emperor Tournament Kanto area 1st round
Date 2019-11-10 Rating 2080.35
Round Color Result Opponent
2 White Win Shibata Satoru 1769.05
3 White Loss Ishitani Shin-ichi 2325.85
4 White Win Tomobe Katsuhiro 2097.57
36 Kanto Championship
Date 2019-07-28 Rating 2083.90
Round Color Result Opponent
5 White Win Shibata Satoru 1766.71
6 White Loss Miyamoto Syunju 2225.69
57 Meijinsen Qualification East Japan area 2nd round
Date 2019-06-23 Rating 2085.52
Round Color Result Opponent
1 White Loss Kusajima Masato 2195.43
2 White Loss Koyama Jun 2548.68
3 Black Win Maruta Hiroki 2136.87
4 White Loss Ono Takayuki 2344.77
5 White Draw Inoue Fumiya 2371.26
57 Meijinsen Qualification Kanto area 1st round
Date 2019-05-12 Rating 2086.48
Round Color Result Opponent
1 White Win Inoue Fumiya 2371.61
2 White Win Maruta Hiroki 2138.00
3 White Loss Ono Takayuki 2346.65
4 Black Loss Mitsumori Masao 2273.31
13 Middle-dan Players Tournament
Date 2018-08-12 Rating 2072.98
Round Color Result Opponent
1 White Loss Kusajima Masato 2239.68
2 White Loss Miyamoto Syunju 2211.75
4 White Loss Kusajima Masato 2239.68
5 White Loss Miyamoto Syunju 2211.75
35 Kanto Championship
Date 2018-07-16 Rating 2074.00
Round Color Result Opponent
1 Black Loss Nakayama Tomoharu 2777.13
56 Meijinsen Qualification Kanto area 1st round
Date 2018-05-13 Rating 2076.50
Round Color Result Opponent
1 White Loss Sato Kiyotomi 2397.46
18 Kanto Renju Emperor Tournament 1st round
Date 2017-11-01 Rating 2085.99
Round Color Result Opponent
1 White Loss Okabe Hiroshi 2666.87
2 Black Win Koyama Akihiro 1928.26
3 White Loss Ishitani Shin-ichi 2349.80
4 White Loss Maruta Hiroki 2101.30
34 Kanto Championship
Date 2017-07-16 Rating 2094.55
Round Color Result Opponent
1 White Win Matsumoto Hiro 1705.69
2 Black Loss Ishitani Shin-ichi 2349.17
3 White Loss Ishima Ryoma 2112.82
12th All Japan Championship
Date 2017-03-26 Rating 2108.12
Round Color Result Opponent
1 White Draw Iio Yoshihiro 2494.19
2 White Loss Tachi Masaya 2489.60
3 Black Draw Nishida Toshio 2053.07
4 Black Loss Ono Takayuki 2321.70
5 White Win Sakamoto Hirouji 2233.86
6 White Loss Fujita Yudai 2434.66
17 Kanto Renju Emperor Tournament 2nd round
Date 2016-12-10 Rating 2116.74
Round Color Result Opponent
1 Black Loss Nakayama Tomoharu 2734.37
2 White Loss Okabe Hiroshi 2665.15
3 Black Loss Sato Kiyotomi 2446.77
4 White Loss Ishitani Shin-ichi 2353.81
5 White Loss Nakamura Shigeru 2901.72
17 Kanto Renju Emperor Tournament 1st round
Date 2016-11-23 Rating 2118.64
Round Color Result Opponent
1 White Loss Okabe Hiroshi 2664.37
2 Black Win Demachi Koichiro 1897.77
3 White Loss Sato Kiyotomi 2447.83
4 White Win Maruta Hiroki 2081.50
ex1 Black Loss Iwano Fumio 2222.86
33 Kanto Championship
Date 2016-07-31 Rating 2130.33
Round Color Result Opponent
1 White Win Cho Enkun 1633.11
2 Black Loss Okabe Hiroshi 2671.05
3 White Win Kato Yasuhiro 2017.26
54 Meijinsen Qualification Kanto area 1st round
Date 2016-05-22 Rating 2135.61
Round Color Result Opponent
2 Black Loss Sato Kiyotomi 2463.08
3 White Win Iwano Fumio 2204.59
4 Black Loss Mitsumori Masao 2304.44
11th All Japan Championship
Date 2016-01-11 Rating 2143.68
Round Color Result Opponent
1 Black Loss Kamiya Shunsuke 2669.11
2 Black Draw Chigira Makoto 1998.38
3 White Loss Fujita Yudai 2401.35
5 White Win Kato Yasuhiro 2014.11
6 White Win Suzuki Rin 1914.39
Kanto Championship
Date 2015-07-20 Rating 2153.05
Round Color Result Opponent
1 White Loss Nakayama Tomoharu 2709.72
4 White Win Hashimoto Takuya 1984.68
5 Black Win Kato Yasuhiro 2026.36
6 White Win Fujikawa Masaki 2068.15
10th All Japan Championship
Date 2015-03-29 Rating 2151.20
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2625.15
2 White Win Fujikawa Masaki 2058.73
31th Kanto Championship
Date 2014-05-11 Rating 2138.55
Round Color Result Opponent
2 White Loss Tamura Kazumasa 2481.74
3 White Loss Tomobe Katsuhiro 2086.97
4 White Win Maruta Hiroki 2072.06
11th Middle-dan players Tournament
Date 2013-08-17 Rating 2133.83
Round Color Result Opponent
1 White Loss Kashihara Akihiko 2295.95
2 Black Loss Kato Yasuhiro 2090.08
3 White Win Maruta Hiroki 2097.12
4 White Win Kubo Izumi 2060.04
5 Black Win Miyagawa Junzo 2182.67
6 White Loss Nakayama Tomoharu 2611.66
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2130.40
Round Color Result Opponent
1 White Loss Isobe Taizan 2360.52
29th Kanto Championship
Date 2013-05-12 Rating 2129.01
Round Color Result Opponent
3 Black Loss Suzuki Rin 2007.24
4 White Win Nakamura Souta 2072.69
5 White Win Tada Ayako 2254.22
13 Kanto Renju Emperor Tournament 1st round
Date 2012-10-21 Rating 2114.56
Round Color Result Opponent
1 White Win Higuchi Fumiya 1579.88
2 Black Win Mitsumori Masao 2308.95
3 White Loss Tada Ayako 2262.82
4 White Loss Ishitani Shin-ichi 2333.37
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2101.70
Round Color Result Opponent
1 White Loss Mitsumori Masao 2322.04
2 White Loss Iwano Fumio 2110.09
3 White Loss Ono Takayuki 2385.41
4 Black Win Maruta Hiroki 2066.48
4th Tohoku Championship
Date 2012-04-08 Rating 2098.31
Round Color Result Opponent
1 Black Loss Nakamura Shigeru 2837.99
2 White Win Maruta Hiroki 2061.22
3 White Loss Kobayashi Koichi 2185.21
4 White Loss Kusajima Masato 2164.15
5 White Win Hirono Masakazu 1965.16
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2088.58
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2411.56
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2082.21
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2392.28
28th Kanto Championship
Date 2011-05-22 Rating 2081.42
Round Color Result Opponent
1 White Loss Nakayama Tomoharu 2511.14
2 White Loss Arai Kazumi 2333.30
3 White Loss Suzuki Rin 1965.65
4 White Win Maruta Hiroki 2079.84
5 White Loss Fujikawa Masaki 2065.06
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2088.26
Round Color Result Opponent
1 Black Win Kato Yasuhiro 2043.77
2 White Loss Okabe Hiroshi 2659.97
Meijinsen Qualification East-Japan area 1st round
Date 2010-06-27 Rating 2088.76
Round Color Result Opponent
1 White Loss Fukui Nobuhiro 2307.43
2 White Win Arai Kazumi 2293.82
3 White Loss Kudomi Takahiro 2364.09
4 Black Loss Tada Ayako 2163.94
27th Kanto Championship
Date 2010-05-23 Rating 2088.95
Round Color Result Opponent
1 Black Loss Nakamura Shigeru 2822.63
2 White Loss Tomobe Katsuhiro 2171.20
5th All Japan Championship
Date 2010-03-21 Rating 2091.16
Round Color Result Opponent
4 Black Win Kusajima Masato 2157.38
10 Kanto Renju Emperor Tournament 1st round
Date 2009-10-04 Rating 2089.63
Round Color Result Opponent
1 White Loss Tanji Hiroki 2025.08
2 White Loss Tomobe Katsuhiro 2129.09
3 White Win Tanizaki Ryusuke 2086.99
4 Black Win Fujikawa Masaki 2034.41
26th Kanto Championship
Date 2009-05-17 Rating 2089.60
Round Color Result Opponent
4 Black Win Matsuoka Teruo 1895.24
5 Black Win Kato Yasuhiro 2006.00
4th All Japan Championship
Date 2009-03-21 Rating 2086.93
Round Color Result Opponent
4 White Win Suzuki Rin 1938.53
5 Black Loss Tanizaki Ryusuke 2103.29
6 Black Loss Nagao Noriaki 2257.02
9th Kanto Renju Emperor Tournament, 1st round
Date 2008-10-26 Rating 2084.98
Round Color Result Opponent
1 Black Draw Tamada Yoichi 2249.24
2 Black Win Tada Ayako 2016.36
3 Black Loss Ono Takayuki 2376.05
4 White Loss Nakayama Tomoharu 2273.13
25th Kanto Championship
Date 2008-05-18 Rating 2080.30
Round Color Result Opponent
3 White Win Tanizaki Ryusuke 2102.52
4 Black Win Kobayashi Koichi 2082.65
5 Black Loss Kudomi Takahiro 2314.12
3rd All Japan Championship
Date 2008-03-23 Rating 2075.23
Round Color Result Opponent
1 White Loss Yamaguchi Yusui 2581.15
2 Black Loss Kato Yasuhiro 1973.54
3 White Loss Tadokoro Hosai 1909.49
4 Black Loss Fujikawa Masaki 2083.83
5 White Loss Nakayama Tomoharu 2227.26
6 Black Draw Tanizaki Ryusuke 2103.46
8 Kanto Renju Emperor Tournament 1st round
Date 2007-10-21 Rating 2085.96
Round Color Result Opponent
1 White Win Takeuchi Shunsuke 1926.13
2 White Win Yamashita Daisuke 1895.12
3 White Loss Ishitani Shin-ichi 2369.12
4 White Loss Nakayama Tomoharu 2206.09
5 Black Win Matsuoka Teruo 1862.86
45th Meijinsen Qualification East-Japan area 1st round
Date 2007-06-17 Rating 2092.36
Round Color Result Opponent
1 Black Win Tanizaki Ryusuke 2116.11
2 Black Loss Isobe Taizan 2405.90
3 White Loss Iwano Fumio 2138.88
4 White Win Hara Masao 2037.89
7th Kanto Renju Emperor Tournament - 1st round
Date 2006-10-15 Rating 2097.88
Round Color Result Opponent
1 Black Win Matsuoka Teruo 1848.83
2 White Loss Maruta Hiroki 1994.29
3 Black Win Fujikawa Masaki 2046.15
4 Black Loss Hara Masao 2067.39
5 Black Win Tanizaki Ryusuke 2108.29
Meijin-sen Qual, East Japan area 1st round
Date 2006-06-18 Rating 2101.06
Round Color Result Opponent
1 White Loss Koyama Jun 2317.16
2 Black Loss Arita Nobuyoshi 2338.85
3 White Loss Ono Takayuki 2286.67
4 Black Loss Hara Masao 2062.84
23rd Kanto Championship
Date 2006-05-21 Rating 2104.38
Round Color Result Opponent
1 White Win Iwano Fumio 2083.00
2 Black Loss Mitsumori Masao 2241.33
3 Black Win Tadokoro Hosai 1920.34
4 Black Loss Nakamura Shigeru 2809.13
5 White Loss Hara Masao 2062.74
1st All Japan Championship
Date 2006-03-26 Rating 2111.70
Round Color Result Opponent
4 White Win Tadokoro Hosai 1918.05
5 Black Win Kato Yasuhiro 2029.93
6 White Win Tomobe Katsuhiro 2070.06
6th Kanto Renju Emperor Tournament - 1st round
Date 2005-10-22 Rating 2119.62
Round Color Result Opponent
1 Black Win Iwano Fumio 2062.73
2 White Loss Itami Yoshiyuki 2163.31
3 Black Loss Tomobe Katsuhiro 2062.35
4 White Loss Arita Nobuyoshi 2319.21
43rd Meijinsen Qualification: East Japan 1st round
Date 2005-06-12 Rating 2134.62
Round Color Result Opponent
1 White Loss Koyama Jun 2265.87
2 White Win Tanno Yoshitaka 2084.09
3 White Loss Nagao Noriaki 2216.62
4 Black Loss Itami Yoshiyuki 2168.26
22nd Kanto Championship
Date 2005-05-22 Rating 2138.14
Round Color Result Opponent
1 White Win Ishizaki Masatoshi 1907.19
2 Black Loss Kawamura Norihiko 2655.32
3 Black Win Sasaki Miyu 1949.33
4 White Win Koyama Jun 2263.52
5 White Loss Ishitani Shin-ichi 2371.62
Japan WC Qualification tournament
Date 2005-04-03 Rating 2143.16
Round Color Result Opponent
4 White Win Tanizaki Ryusuke 2065.56
5 Black Win Kato Yasuhiro 2012.46
6 White Loss Kubo Izumi 2147.64
5th Kanto Renju Emperor Tournament - 1st round
Date 2004-11-28 Rating 2154.04
Round Color Result Opponent
1 Black Loss Sato Koichi 1985.46
2 White Win Sasaki Miyu 1943.58
3 Black Win Maruta Hiroki 1951.28
4 White Win Matsuoka Teruo 1869.45
42nd Meijinsen Qualification: East Japan 1st round
Date 2004-06-13 Rating 2169.75
Round Color Result Opponent
4 Black Loss Sano Hiroyuki 2150.77
4th Kanto Renju Emperor Tournament - 2nd round
Date 2003-11-30 Rating 2195.75
Round Color Result Opponent
White Win Nagao Noriaki 2261.86
White Win Mitsumori Masao 2250.23
Black Loss Isobe Taizan 2404.02
Black Loss Yamaguchi Yusui 2563.60
Black Loss Okabe Hiroshi 2526.21
4th Kanto Renju Emperor Tournament - 1st round
Date 2003-11-16 Rating 2196.87
Round Color Result Opponent
1 Black Win Yamauchi Yasuhiro 1800.02
2 White Win Nagao Noriaki 2264.57
3 White Draw Yamaguchi Yusui 2562.31
4 White Win Kubo Izumi 2190.54
41th Meijinsen Qualification: East Japan 1st round
Date 2003-06-08 Rating 2191.05
Round Color Result Opponent
1 White Loss Sano Hiroyuki 2183.53
2 White Win Mitsumori Masao 2269.77
3 White Loss Sato Kiyotomi 2293.27
4 Black Draw Kubo Izumi 2196.35
40th Meijinsen Qualification: East Japan 1st round
Date 2002-06-02 Rating 2184.51
Round Color Result Opponent
1 White Loss Isobe Taizan 2421.55
2 Black Loss Kato Yasuhiro 2067.35
3 White Win Ohno Syunzo 1979.04
4 Black Win Sato Takuma 2077.27
38th Meijinsen Qualification: East Japan 1st round
Date 2000-06-04 Rating 2186.88
Round Color Result Opponent
1 Black Win Sunagawa Shouki 2188.40
2 White Win Mitsumori Masao 2276.00
3 White Loss Kudomi Takahiro 2330.23
4 White Loss Isobe Taizan 2424.55
Kanto Championship
Date 2000-05-14 Rating 2185.98
Round Color Result Opponent
1 White Loss Nakamura Shigeru 2729.96
2 White Loss Hara Masao 2105.59
3 Black Win Tadokoro Hosai 1962.68
4 Black Win Kato Yasuhiro 2036.74
36 Suiseisen Tournament 1st round
Date 1996-03-01 Rating 2136.45
Round Color Result Opponent
4 White Win Tanuma Akira 1844.89