Maruta Koji, Japan - Renju Rating

Maruta Koji (丸田光治)

Place: Tokyo, Japan

Rating: 2126.16, Std: 95.96, Rank: 416

First game: 1996-03-01, Last game: 2023-01-29

Top rating: 2197.28 (2003-11-16)

Games: 233, Wins: 92, Draws: 8, Losses: 133

Gy1: 13, Gy2: 22, Gy5: 56

23 Kanto Renju Emperor Tournament 2nd round
Date 2023-01-29 Rating 2126.16
Round Color Result Opponent
1 Black Loss Kamiya Shunsuke 2789.17
2 White Loss Fujita Maiko 2380.43
3 White Loss Yokoyama Shota 2427.15
4 White Loss Inoue Fumiya 2485.37
5 White Loss Okabe Hiroshi 2606.53
23 Renju Emperor Tournament Kanto area 1st round
Date 2022-11-06 Rating 2129.48
Round Color Result Opponent
2 White Win Kasahara Reiko 1609.46
3 White Win Tomobe Katsuhiro 2110.43
4 Black Win Tanaka Shotaro 2241.62
39 Kanto Championship
Date 2022-07-31 Rating 2124.79
Round Color Result Opponent
2 White Win Li Haoyang 1929.01
3 White Loss Ishitani Shin-ichi 2312.47
Special Tournament
Date 2022-04-10 Rating 2119.50
Round Color Result Opponent
1 White Loss Fujita Maiko 2358.93
2 White Loss Inoue Fumiya 2462.77
3 White Win Maruta Hiroki 2151.73
38 Kanto Championship
Date 2021-08-08 Rating 2103.88
Round Color Result Opponent
1 White Loss Inoue Fumiya 2450.31
2 White Win Kobayashi Nanako 1969.67
3 White Win Fujita Maiko 2311.62
16th All Japan Championship
Date 2021-03-28 Rating 2085.88
Round Color Result Opponent
1 White Loss Makino Mitsunori 2496.19
2 White Loss Ishitani Shin-ichi 2306.32
3 White Loss Yoshimoto Yuta 2191.32
4 White Loss Kawaai Hitoshi 1977.39
5 White Loss Suenaga Daiki 2234.60
6 Black Win Maruta Hiroki 2176.56
24th New Year(Mikami)Cup
Date 2021-01-29 Rating 2082.26
Round Color Result Opponent
S1 Black Win Maruta Hiroki 2175.90
S2 White Loss Makino Mitsunori 2490.17
S3 White Loss Okabe Hiroshi 2666.79
S4 Black Loss Ono Takayuki 2340.62
S5 White Loss Ishitani Shin-ichi 2317.64
21 Renju Emperor Tournament Kanto area 1st round
Date 2020-11-15 Rating 2076.90
Round Color Result Opponent
1 White Loss Kawaai Hitoshi 1976.09
2 White Loss Suenaga Daiki 2235.65
3 White Loss Shimura Hiroki 1966.55
4 White Win Kasahara Reiko 1632.82
37 Kanto Championship
Date 2020-08-10 Rating 2080.84
Round Color Result Opponent
3 White Win Okada Akihiro 1865.63
5 Black Loss Kato Yasuhiro 2054.07
6 Black Win Shimura Hiroki 1943.61
58 Meijinsen Qualification Kanto area 1st round
Date 2020-06-21 Rating 2082.88
Round Color Result Opponent
1 White Loss Fujita Maiko 2316.73
2 White Win Ito Midori 1654.90
20 Renju Emperor Tournament Kanto area 1st round
Date 2019-11-10 Rating 2094.15
Round Color Result Opponent
2 White Win Shibata Satoru 1770.49
3 White Loss Ishitani Shin-ichi 2330.79
4 White Win Tomobe Katsuhiro 2103.29
36 Kanto Championship
Date 2019-07-28 Rating 2095.97
Round Color Result Opponent
5 White Win Shibata Satoru 1767.80
6 White Loss Miyamoto Syunju 2225.46
57 Meijinsen Qualification East Japan area 2nd round
Date 2019-06-23 Rating 2097.08
Round Color Result Opponent
1 White Loss Kusajima Masato 2202.82
2 White Loss Koyama Jun 2550.78
3 Black Win Maruta Hiroki 2141.36
4 White Loss Ono Takayuki 2348.52
5 White Draw Inoue Fumiya 2376.70
57 Meijinsen Qualification Kanto area 1st round
Date 2019-05-12 Rating 2097.51
Round Color Result Opponent
1 White Win Inoue Fumiya 2376.79
2 White Win Maruta Hiroki 2142.32
3 White Loss Ono Takayuki 2350.29
4 Black Loss Mitsumori Masao 2276.23
13 Middle-dan Players Tournament
Date 2018-08-12 Rating 2081.20
Round Color Result Opponent
1 White Loss Kusajima Masato 2243.41
2 White Loss Miyamoto Syunju 2212.04
4 White Loss Kusajima Masato 2243.41
5 White Loss Miyamoto Syunju 2212.04
35 Kanto Championship
Date 2018-07-16 Rating 2082.01
Round Color Result Opponent
1 Black Loss Nakayama Tomoharu 2776.37
56 Meijinsen Qualification Kanto area 1st round
Date 2018-05-13 Rating 2084.00
Round Color Result Opponent
1 White Loss Sato Kiyotomi 2399.12
18 Kanto Renju Emperor Tournament 1st round
Date 2017-11-01 Rating 2092.01
Round Color Result Opponent
1 White Loss Okabe Hiroshi 2667.19
2 Black Win Koyama Akihiro 1930.79
3 White Loss Ishitani Shin-ichi 2351.32
4 White Loss Maruta Hiroki 2104.20
34 Kanto Championship
Date 2017-07-16 Rating 2099.85
Round Color Result Opponent
1 White Win Matsumoto Hiro 1707.35
2 Black Loss Ishitani Shin-ichi 2350.58
3 White Loss Ishima Ryoma 2114.74
12th All Japan Championship
Date 2017-03-26 Rating 2112.76
Round Color Result Opponent
1 White Draw Iio Yoshihiro 2495.28
2 White Loss Tachi Masaya 2489.30
3 Black Draw Nishida Toshio 2054.84
4 Black Loss Ono Takayuki 2323.55
5 White Win Sakamoto Hirouji 2236.05
6 White Loss Fujita Yudai 2435.42
17 Kanto Renju Emperor Tournament 2nd round
Date 2016-12-10 Rating 2120.89
Round Color Result Opponent
1 Black Loss Nakayama Tomoharu 2734.67
2 White Loss Okabe Hiroshi 2665.77
3 Black Loss Sato Kiyotomi 2448.08
4 White Loss Ishitani Shin-ichi 2354.98
5 White Loss Nakamura Shigeru 2901.82
17 Kanto Renju Emperor Tournament 1st round
Date 2016-11-23 Rating 2122.72
Round Color Result Opponent
1 White Loss Okabe Hiroshi 2665.00
2 Black Win Demachi Koichiro 1899.20
3 White Loss Sato Kiyotomi 2449.14
4 White Win Maruta Hiroki 2083.68
ex1 Black Loss Iwano Fumio 2225.12
33 Kanto Championship
Date 2016-07-31 Rating 2134.02
Round Color Result Opponent
1 White Win Cho Enkun 1634.22
2 Black Loss Okabe Hiroshi 2671.73
3 White Win Kato Yasuhiro 2019.90
54 Meijinsen Qualification Kanto area 1st round
Date 2016-05-22 Rating 2139.07
Round Color Result Opponent
2 Black Loss Sato Kiyotomi 2464.29
3 White Win Iwano Fumio 2206.62
4 Black Loss Mitsumori Masao 2306.12
11th All Japan Championship
Date 2016-01-11 Rating 2146.77
Round Color Result Opponent
1 Black Loss Kamiya Shunsuke 2669.53
2 Black Draw Chigira Makoto 2000.22
3 White Loss Fujita Yudai 2402.04
5 White Win Kato Yasuhiro 2016.31
6 White Win Suzuki Rin 1915.48
Kanto Championship
Date 2015-07-20 Rating 2155.74
Round Color Result Opponent
1 White Loss Nakayama Tomoharu 2710.36
4 White Win Hashimoto Takuya 1986.04
5 Black Win Kato Yasuhiro 2028.23
6 White Win Fujikawa Masaki 2069.40
10th All Japan Championship
Date 2015-03-29 Rating 2153.68
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2625.79
2 White Win Fujikawa Masaki 2059.94
31th Kanto Championship
Date 2014-05-11 Rating 2140.48
Round Color Result Opponent
2 White Loss Tamura Kazumasa 2482.48
3 White Loss Tomobe Katsuhiro 2088.29
4 White Win Maruta Hiroki 2073.26
11th Middle-dan players Tournament
Date 2013-08-17 Rating 2135.35
Round Color Result Opponent
1 White Loss Kashihara Akihiko 2296.77
2 Black Loss Kato Yasuhiro 2091.12
3 White Win Maruta Hiroki 2098.13
4 White Win Kubo Izumi 2060.86
5 Black Win Miyagawa Junzo 2183.47
6 White Loss Nakayama Tomoharu 2612.34
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2131.85
Round Color Result Opponent
1 White Loss Isobe Taizan 2361.27
29th Kanto Championship
Date 2013-05-12 Rating 2130.41
Round Color Result Opponent
3 Black Loss Suzuki Rin 2008.03
4 White Win Nakamura Souta 2073.74
5 White Win Tada Ayako 2255.04
13 Kanto Renju Emperor Tournament 1st round
Date 2012-10-21 Rating 2115.76
Round Color Result Opponent
1 White Win Higuchi Fumiya 1580.40
2 Black Win Mitsumori Masao 2309.75
3 White Loss Tada Ayako 2263.60
4 White Loss Ishitani Shin-ichi 2334.00
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2102.79
Round Color Result Opponent
1 White Loss Mitsumori Masao 2322.79
2 White Loss Iwano Fumio 2110.89
3 White Loss Ono Takayuki 2386.13
4 Black Win Maruta Hiroki 2067.24
4th Tohoku Championship
Date 2012-04-08 Rating 2099.36
Round Color Result Opponent
1 Black Loss Nakamura Shigeru 2838.62
2 White Win Maruta Hiroki 2061.95
3 White Loss Kobayashi Koichi 2185.77
4 White Loss Kusajima Masato 2164.70
5 White Win Hirono Masakazu 1965.56
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2089.53
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2412.24
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2083.08
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2392.94
28th Kanto Championship
Date 2011-05-22 Rating 2082.29
Round Color Result Opponent
1 White Loss Nakayama Tomoharu 2511.76
2 White Loss Arai Kazumi 2333.94
3 White Loss Suzuki Rin 1966.27
4 White Win Maruta Hiroki 2080.48
5 White Loss Fujikawa Masaki 2065.71
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2089.04
Round Color Result Opponent
1 Black Win Kato Yasuhiro 2044.34
2 White Loss Okabe Hiroshi 2660.57
Meijinsen Qualification East-Japan area 1st round
Date 2010-06-27 Rating 2089.49
Round Color Result Opponent
1 White Loss Fukui Nobuhiro 2307.99
2 White Win Arai Kazumi 2294.41
3 White Loss Kudomi Takahiro 2364.66
4 Black Loss Tada Ayako 2164.51
27th Kanto Championship
Date 2010-05-23 Rating 2089.66
Round Color Result Opponent
1 Black Loss Nakamura Shigeru 2823.22
2 White Loss Tomobe Katsuhiro 2171.75
5th All Japan Championship
Date 2010-03-21 Rating 2091.85
Round Color Result Opponent
4 Black Win Kusajima Masato 2157.88
10 Kanto Renju Emperor Tournament 1st round
Date 2009-10-04 Rating 2090.27
Round Color Result Opponent
1 White Loss Tanji Hiroki 2025.55
2 White Loss Tomobe Katsuhiro 2129.58
3 White Win Tanizaki Ryusuke 2087.58
4 Black Win Fujikawa Masaki 2034.91
26th Kanto Championship
Date 2009-05-17 Rating 2090.20
Round Color Result Opponent
4 Black Win Matsuoka Teruo 1895.72
5 Black Win Kato Yasuhiro 2006.47
4th All Japan Championship
Date 2009-03-21 Rating 2087.51
Round Color Result Opponent
4 White Win Suzuki Rin 1939.01
5 Black Loss Tanizaki Ryusuke 2103.82
6 Black Loss Nagao Noriaki 2257.51
9th Kanto Renju Emperor Tournament, 1st round
Date 2008-10-26 Rating 2085.53
Round Color Result Opponent
1 Black Draw Tamada Yoichi 2249.72
2 Black Win Tada Ayako 2016.85
3 Black Loss Ono Takayuki 2376.56
4 White Loss Nakayama Tomoharu 2273.62
25th Kanto Championship
Date 2008-05-18 Rating 2080.82
Round Color Result Opponent
3 White Win Tanizaki Ryusuke 2103.00
4 Black Win Kobayashi Koichi 2083.07
5 Black Loss Kudomi Takahiro 2314.60
3rd All Japan Championship
Date 2008-03-23 Rating 2075.74
Round Color Result Opponent
1 White Loss Yamaguchi Yusui 2581.68
2 Black Loss Kato Yasuhiro 1973.97
3 White Loss Tadokoro Hosai 1909.90
4 Black Loss Fujikawa Masaki 2084.26
5 White Loss Nakayama Tomoharu 2227.73
6 Black Draw Tanizaki Ryusuke 2103.93
8 Kanto Renju Emperor Tournament 1st round
Date 2007-10-21 Rating 2086.45
Round Color Result Opponent
1 White Win Takeuchi Shunsuke 1926.51
2 White Win Yamashita Daisuke 1895.41
3 White Loss Ishitani Shin-ichi 2369.59
4 White Loss Nakayama Tomoharu 2206.55
5 Black Win Matsuoka Teruo 1863.29
45th Meijinsen Qualification East-Japan area 1st round
Date 2007-06-17 Rating 2092.84
Round Color Result Opponent
1 Black Win Tanizaki Ryusuke 2116.55
2 Black Loss Isobe Taizan 2406.40
3 White Loss Iwano Fumio 2139.32
4 White Win Hara Masao 2038.28
7th Kanto Renju Emperor Tournament - 1st round
Date 2006-10-15 Rating 2098.33
Round Color Result Opponent
1 Black Win Matsuoka Teruo 1849.24
2 White Loss Maruta Hiroki 1994.71
3 Black Win Fujikawa Masaki 2046.56
4 Black Loss Hara Masao 2067.78
5 Black Win Tanizaki Ryusuke 2108.72
Meijin-sen Qual, East Japan area 1st round
Date 2006-06-18 Rating 2101.50
Round Color Result Opponent
1 White Loss Koyama Jun 2317.60
2 Black Loss Arita Nobuyoshi 2339.30
3 White Loss Ono Takayuki 2287.12
4 Black Loss Hara Masao 2063.24
23rd Kanto Championship
Date 2006-05-21 Rating 2104.81
Round Color Result Opponent
1 White Win Iwano Fumio 2083.41
2 Black Loss Mitsumori Masao 2241.81
3 Black Win Tadokoro Hosai 1920.73
4 Black Loss Nakamura Shigeru 2809.73
5 White Loss Hara Masao 2063.14
1st All Japan Championship
Date 2006-03-26 Rating 2112.13
Round Color Result Opponent
4 White Win Tadokoro Hosai 1918.44
5 Black Win Kato Yasuhiro 2030.33
6 White Win Tomobe Katsuhiro 2070.45
6th Kanto Renju Emperor Tournament - 1st round
Date 2005-10-22 Rating 2120.04
Round Color Result Opponent
1 Black Win Iwano Fumio 2063.12
2 White Loss Itami Yoshiyuki 2163.71
3 Black Loss Tomobe Katsuhiro 2062.74
4 White Loss Arita Nobuyoshi 2319.64
43rd Meijinsen Qualification: East Japan 1st round
Date 2005-06-12 Rating 2135.03
Round Color Result Opponent
1 White Loss Koyama Jun 2266.28
2 White Win Tanno Yoshitaka 2084.47
3 White Loss Nagao Noriaki 2217.02
4 Black Loss Itami Yoshiyuki 2168.66
22nd Kanto Championship
Date 2005-05-22 Rating 2138.55
Round Color Result Opponent
1 White Win Ishizaki Masatoshi 1907.54
2 Black Loss Kawamura Norihiko 2655.87
3 Black Win Sasaki Miyu 1949.69
4 White Win Koyama Jun 2263.92
5 White Loss Ishitani Shin-ichi 2372.06
Japan WC Qualification tournament
Date 2005-04-03 Rating 2143.57
Round Color Result Opponent
4 White Win Tanizaki Ryusuke 2065.94
5 Black Win Kato Yasuhiro 2012.85
6 White Loss Kubo Izumi 2148.04
5th Kanto Renju Emperor Tournament - 1st round
Date 2004-11-28 Rating 2154.45
Round Color Result Opponent
1 Black Loss Sato Koichi 1985.82
2 White Win Sasaki Miyu 1943.92
3 Black Win Maruta Hiroki 1951.64
4 White Win Matsuoka Teruo 1869.81
42nd Meijinsen Qualification: East Japan 1st round
Date 2004-06-13 Rating 2170.16
Round Color Result Opponent
4 Black Loss Sano Hiroyuki 2151.12
4th Kanto Renju Emperor Tournament - 2nd round
Date 2003-11-30 Rating 2196.16
Round Color Result Opponent
White Win Nagao Noriaki 2262.19
White Win Mitsumori Masao 2250.78
Black Loss Isobe Taizan 2404.50
Black Loss Yamaguchi Yusui 2564.08
Black Loss Okabe Hiroshi 2526.66
4th Kanto Renju Emperor Tournament - 1st round
Date 2003-11-16 Rating 2197.28
Round Color Result Opponent
1 Black Win Yamauchi Yasuhiro 1800.18
2 White Win Nagao Noriaki 2264.89
3 White Draw Yamaguchi Yusui 2562.79
4 White Win Kubo Izumi 2190.93
41th Meijinsen Qualification: East Japan 1st round
Date 2003-06-08 Rating 2191.46
Round Color Result Opponent
1 White Loss Sano Hiroyuki 2183.88
2 White Win Mitsumori Masao 2270.40
3 White Loss Sato Kiyotomi 2293.69
4 Black Draw Kubo Izumi 2196.74
40th Meijinsen Qualification: East Japan 1st round
Date 2002-06-02 Rating 2184.92
Round Color Result Opponent
1 White Loss Isobe Taizan 2422.03
2 Black Loss Kato Yasuhiro 2067.71
3 White Win Ohno Syunzo 1979.38
4 Black Win Sato Takuma 2077.64
38th Meijinsen Qualification: East Japan 1st round
Date 2000-06-04 Rating 2187.28
Round Color Result Opponent
1 Black Win Sunagawa Shouki 2189.02
2 White Win Mitsumori Masao 2276.55
3 White Loss Kudomi Takahiro 2330.80
4 White Loss Isobe Taizan 2425.01
Kanto Championship
Date 2000-05-14 Rating 2186.38
Round Color Result Opponent
1 White Loss Nakamura Shigeru 2730.78
2 White Loss Hara Masao 2105.99
3 Black Win Tadokoro Hosai 1963.03
4 Black Win Kato Yasuhiro 2037.08
36 Suiseisen Tournament 1st round
Date 1996-03-01 Rating 2136.76
Round Color Result Opponent
4 White Win Tanuma Akira 1844.95