Maruta Koji (丸田光治)

Place: Tokyo, Japan

Rating: 2065.70, Rank: 453

First game: 1996-03-01, Last game: 2022-04-10

Top rating: 2133.90 (2015-07-20)

Games: 134, Wins: 47, Draws: 4, Losses: 83

Gy1: 6, Gy2: 24, Gy5: 53

Special Tournament
Date 2022-04-10 Rating 2065.70
Round Color Result Opponent
1 White Loss Fujita Maiko 2319.81
2 White Loss Inoue Fumiya 2410.85
3 White Win Maruta Hiroki 2191.36
38 Kanto Championship
Date 2021-08-08 Rating 2059.07
Round Color Result Opponent
1 White Loss Inoue Fumiya 2411.28
2 White Win Kobayashi Nanako 1928.53
3 White Win Fujita Maiko 2280.13
16th All Japan Championship
Date 2021-03-28 Rating 2045.74
Round Color Result Opponent
1 White Loss Makino Mitsunori 2443.44
2 White Loss Ishitani Shin-ichi 2287.19
3 White Loss Yoshimoto Yuta 2152.68
4 White Loss Kawaai Hitoshi 1923.60
5 White Loss Suenaga Daiki 2208.63
6 Black Win Maruta Hiroki 2172.63
24th New Year(Mikami)Cup
Date 2021-01-29 Rating 2043.88
Round Color Result Opponent
S1 Black Win Maruta Hiroki 2169.49
S2 White Loss Makino Mitsunori 2442.50
S3 White Loss Okabe Hiroshi 2644.97
S4 Black Loss Ono Takayuki 2318.42
S5 White Loss Ishitani Shin-ichi 2298.56
21 Renju Emperor Tournament Kanto area 1st round
Date 2020-11-15 Rating 2040.41
Round Color Result Opponent
1 White Loss Kawaai Hitoshi 1929.19
2 White Loss Suenaga Daiki 2209.91
3 White Loss Shimura Hiroki 1903.32
4 White Win Kasahara Reiko 1636.53
37 Kanto Championship
Date 2020-08-10 Rating 2046.92
Round Color Result Opponent
3 White Win Okada Akihiro 1864.47
5 Black Loss Kato Yasuhiro 2009.45
6 Black Win Shimura Hiroki 1883.76
58 Meijinsen Qualification Kanto area 1st round
Date 2020-06-21 Rating 2050.32
Round Color Result Opponent
1 White Loss Fujita Maiko 2293.63
2 White Win Ito Midori 1707.05
20 Renju Emperor Tournament Kanto area 1st round
Date 2019-11-10 Rating 2066.85
Round Color Result Opponent
2 White Win Shibata Satoru 1792.14
3 White Loss Ishitani Shin-ichi 2314.00
4 White Win Tomobe Katsuhiro 2083.03
36 Kanto Championship
Date 2019-07-28 Rating 2070.70
Round Color Result Opponent
5 White Win Shibata Satoru 1791.81
6 White Loss Miyamoto Syunju 2225.40
57 Meijinsen Qualification East Japan area 2nd round
Date 2019-06-23 Rating 2072.30
Round Color Result Opponent
1 White Loss Kusajima Masato 2200.95
2 White Loss Koyama Jun 2532.63
3 Black Win Maruta Hiroki 2126.83
4 White Loss Ono Takayuki 2329.90
5 White Draw Inoue Fumiya 2356.45
57 Meijinsen Qualification Kanto area 1st round
Date 2019-05-12 Rating 2073.17
Round Color Result Opponent
1 White Win Inoue Fumiya 2356.78
2 White Win Maruta Hiroki 2127.57
3 White Loss Ono Takayuki 2331.79
4 Black Loss Mitsumori Masao 2256.43
13 Middle-dan Players Tournament
Date 2018-08-12 Rating 2059.10
Round Color Result Opponent
1 White Loss Kusajima Masato 2235.98
2 White Loss Miyamoto Syunju 2204.84
4 White Loss Kusajima Masato 2235.98
5 White Loss Miyamoto Syunju 2204.84
35 Kanto Championship
Date 2018-07-16 Rating 2059.98
Round Color Result Opponent
1 Black Loss Nakayama Tomoharu 2758.96
56 Meijinsen Qualification Kanto area 1st round
Date 2018-05-13 Rating 2062.16
Round Color Result Opponent
1 White Loss Sato Kiyotomi 2381.02
18 Kanto Renju Emperor Tournament 1st round
Date 2017-11-01 Rating 2070.70
Round Color Result Opponent
1 White Loss Okabe Hiroshi 2648.48
2 Black Win Koyama Akihiro 1915.25
3 White Loss Ishitani Shin-ichi 2333.27
4 White Loss Maruta Hiroki 2086.96
34 Kanto Championship
Date 2017-07-16 Rating 2078.71
Round Color Result Opponent
1 White Win Matsumoto Hiro 1696.53
2 Black Loss Ishitani Shin-ichi 2332.08
3 White Loss Ishima Ryoma 2098.78
12th All Japan Championship
Date 2017-03-26 Rating 2091.67
Round Color Result Opponent
1 White Draw Iio Yoshihiro 2475.04
2 White Loss Tachi Masaya 2470.63
3 Black Draw Nishida Toshio 2034.45
4 Black Loss Ono Takayuki 2304.35
5 White Win Sakamoto Hirouji 2215.84
6 White Loss Fujita Yudai 2417.29
17 Kanto Renju Emperor Tournament 2nd round
Date 2016-12-10 Rating 2099.78
Round Color Result Opponent
1 Black Loss Nakayama Tomoharu 2714.98
2 White Loss Okabe Hiroshi 2646.06
3 Black Loss Sato Kiyotomi 2428.53
4 White Loss Ishitani Shin-ichi 2335.51
5 White Loss Nakamura Shigeru 2881.98
17 Kanto Renju Emperor Tournament 1st round
Date 2016-11-23 Rating 2101.60
Round Color Result Opponent
1 White Loss Okabe Hiroshi 2645.24
2 Black Win Demachi Koichiro 1882.64
3 White Loss Sato Kiyotomi 2429.50
4 White Win Maruta Hiroki 2065.41
ex1 Black Loss Iwano Fumio 2205.96
33 Kanto Championship
Date 2016-07-31 Rating 2112.75
Round Color Result Opponent
1 White Win Cho Enkun 1623.28
2 Black Loss Okabe Hiroshi 2651.54
3 White Win Kato Yasuhiro 1993.27
54 Meijinsen Qualification Kanto area 1st round
Date 2016-05-22 Rating 2117.73
Round Color Result Opponent
2 Black Loss Sato Kiyotomi 2443.80
3 White Win Iwano Fumio 2187.06
4 Black Loss Mitsumori Masao 2285.71
11th All Japan Championship
Date 2016-01-11 Rating 2125.25
Round Color Result Opponent
1 Black Loss Kamiya Shunsuke 2648.66
2 Black Draw Chigira Makoto 1983.67
3 White Loss Fujita Yudai 2383.34
5 White Win Kato Yasuhiro 1991.55
6 White Win Suzuki Rin 1895.37
Kanto Championship
Date 2015-07-20 Rating 2133.90
Round Color Result Opponent
1 White Loss Nakayama Tomoharu 2688.62
4 White Win Hashimoto Takuya 1968.81
5 Black Win Kato Yasuhiro 2004.50
6 White Win Fujikawa Masaki 2049.27
10th All Japan Championship
Date 2015-03-29 Rating 2131.59
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2604.11
2 White Win Fujikawa Masaki 2039.38
31th Kanto Championship
Date 2014-05-11 Rating 2117.62
Round Color Result Opponent
2 White Loss Tamura Kazumasa 2455.67
3 White Loss Tomobe Katsuhiro 2067.93
4 White Win Maruta Hiroki 2052.03
11th Middle-dan players Tournament
Date 2013-08-17 Rating 2111.79
Round Color Result Opponent
1 White Loss Kashihara Akihiko 2272.09
2 Black Loss Kato Yasuhiro 2068.11
3 White Win Maruta Hiroki 2076.30
4 White Win Kubo Izumi 2035.02
5 Black Win Miyagawa Junzo 2158.36
6 White Loss Nakayama Tomoharu 2587.49
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2108.14
Round Color Result Opponent
1 White Loss Isobe Taizan 2336.54
29th Kanto Championship
Date 2013-05-12 Rating 2106.63
Round Color Result Opponent
3 Black Loss Suzuki Rin 1987.77
4 White Win Nakamura Souta 2053.73
5 White Win Tada Ayako 2235.07
13 Kanto Renju Emperor Tournament 1st round
Date 2012-10-21 Rating 2091.29
Round Color Result Opponent
1 White Win Higuchi Fumiya 1574.94
2 Black Win Mitsumori Masao 2288.39
3 White Loss Tada Ayako 2244.97
4 White Loss Ishitani Shin-ichi 2307.19
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2077.71
Round Color Result Opponent
1 White Loss Mitsumori Masao 2302.04
2 White Loss Iwano Fumio 2089.11
3 White Loss Ono Takayuki 2361.31
4 Black Win Maruta Hiroki 2045.39
4th Tohoku Championship
Date 2012-04-08 Rating 2073.98
Round Color Result Opponent
1 Black Loss Nakamura Shigeru 2804.95
2 White Win Maruta Hiroki 2040.15
3 White Loss Kobayashi Koichi 2163.13
4 White Loss Kusajima Masato 2133.59
5 White Win Hirono Masakazu 1969.53
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2062.78
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2400.60
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2055.15
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2384.65
28th Kanto Championship
Date 2011-05-22 Rating 2054.15
Round Color Result Opponent
1 White Loss Nakayama Tomoharu 2487.72
2 White Loss Arai Kazumi 2311.15
3 White Loss Suzuki Rin 1947.77
4 White Win Maruta Hiroki 2061.05
5 White Loss Fujikawa Masaki 2034.03
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2058.49
Round Color Result Opponent
1 Black Win Kato Yasuhiro 2019.32
2 White Loss Okabe Hiroshi 2616.46
Meijinsen Qualification East-Japan area 1st round
Date 2010-06-27 Rating 2057.39
Round Color Result Opponent
1 White Loss Fukui Nobuhiro 2264.52
2 White Win Arai Kazumi 2270.60
3 White Loss Kudomi Takahiro 2322.23
4 Black Loss Tada Ayako 2175.26
27th Kanto Championship
Date 2010-05-23 Rating 2057.03
Round Color Result Opponent
1 Black Loss Nakamura Shigeru 2768.58
2 White Loss Tomobe Katsuhiro 2154.50
5th All Japan Championship
Date 2010-03-21 Rating 2058.14
Round Color Result Opponent
4 Black Win Kusajima Masato 2116.93
26th Kanto Championship
Date 2009-05-17 Rating 2050.23
Round Color Result Opponent
4 Black Win Matsuoka Teruo 1911.89
4th All Japan Championship
Date 2009-03-21 Rating 2047.46
Round Color Result Opponent
4 White Win Suzuki Rin 1919.69
5 Black Loss Tanizaki Ryusuke 2046.13
6 Black Loss Nagao Noriaki 2289.42
8 Kanto Renju Emperor Tournament 1st round
Date 2007-10-21 Rating 2036.74
Round Color Result Opponent
4 White Loss Nakayama Tomoharu 2272.14
36 Suiseisen Tournament 1st round
Date 1996-03-01 Rating 2013.40
Round Color Result Opponent
4 White Win Tanuma Akira 1814.46