JPN Maruta Koji (丸田光治)

Place: Tokyo, Japan

Rating: 2026.90, Rank: 500

First game: 1996-03-31, Last game: 2021-08-08

Top rating: 2129.45 (2015-07-20)

Games: 131, Wins: 46, Draws: 4, Losses: 81

Gy1: 18, Gy2: 26, Gy5: 61

38 Kanto Championship
Date 2021-08-08 Rating 2026.90
Round Color Result Opponent
1 White Loss JPN Inoue Fumiya 2374.64
2 White Win JPN Kobayashi Nanako 1910.26
3 White Win JPN Fujita Maiko 2215.03
16th All Japan Championship
Date 2021-03-28 Rating 2017.36
Round Color Result Opponent
1 White Loss JPN Makino Mitsunori 2464.93
2 White Loss JPN Ishitani Shin-ichi 2280.28
3 White Loss JPN Yoshimoto Yuta 2098.80
4 White Loss JPN Kawaai Hitoshi 1910.97
5 White Loss JPN Suenaga Daiki 2180.63
6 Black Win JPN Maruta Hiroki 2129.14
24th New Year(Mikami)Cup
Date 2021-01-29 Rating 2017.12
Round Color Result Opponent
S1 Black Win JPN Maruta Hiroki 2129.74
S2 White Loss JPN Makino Mitsunori 2459.25
S3 White Loss JPN Okabe Hiroshi 2640.78
S4 Black Loss JPN Ono Takayuki 2280.80
S5 White Loss JPN Ishitani Shin-ichi 2292.35
21 Renju Emperor Tournament Kanto area 1st round
Date 2020-11-15 Rating 2015.66
Round Color Result Opponent
1 White Loss JPN Kawaai Hitoshi 1916.15
2 White Loss JPN Suenaga Daiki 2183.50
3 White Loss JPN Shimura Hiroki 1861.64
4 White Win JPN Kasahara Reiko 1653.00
37 Kanto Championship
Date 2020-08-10 Rating 2024.67
Round Color Result Opponent
3 White Win JPN Okada Akihiro 1848.95
5 Black Loss JPN Kato Yasuhiro 2060.09
6 Black Win JPN Shimura Hiroki 1845.25
58 Meijinsen Qualification Kanto area 1st round
Date 2020-06-21 Rating 2029.02
Round Color Result Opponent
1 White Loss JPN Fujita Maiko 2267.37
2 White Win JPN Ito Midori 1700.86
20 Renju Emperor Tournament Kanto area 1st round
Date 2019-11-10 Rating 2049.68
Round Color Result Opponent
2 White Win JPN Shibata Satoru 1782.99
3 White Loss JPN Ishitani Shin-ichi 2310.18
4 White Win JPN Tomobe Katsuhiro 2100.33
36 Kanto Championship
Date 2019-07-28 Rating 2054.94
Round Color Result Opponent
5 White Win JPN Shibata Satoru 1782.80
6 White Loss JPN Miyamoto Syunju 2219.00
57 Meijinsen Qualification East Japan area 2nd round
Date 2019-06-23 Rating 2056.98
Round Color Result Opponent
1 White Loss JPN Kusajima Masato 2197.85
2 White Loss JPN Koyama Jun 2528.40
3 Black Win JPN Maruta Hiroki 2110.27
4 White Loss JPN Ono Takayuki 2314.13
5 White Draw JPN Inoue Fumiya 2345.15
57 Meijinsen Qualification Kanto area 1st round
Date 2019-05-12 Rating 2058.30
Round Color Result Opponent
1 White Win JPN Inoue Fumiya 2346.01
2 White Win JPN Maruta Hiroki 2112.04
3 White Loss JPN Ono Takayuki 2316.91
4 Black Loss JPN Mitsumori Masao 2250.03
13 Middle-dan Players Tournament
Date 2018-08-12 Rating 2046.93
Round Color Result Opponent
1 White Loss JPN Kusajima Masato 2232.06
2 White Loss JPN Miyamoto Syunju 2200.40
4 White Loss JPN Kusajima Masato 2232.06
5 White Loss JPN Miyamoto Syunju 2200.40
35 Kanto Championship
Date 2018-07-16 Rating 2048.01
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2750.17
56 Meijinsen Qualification Kanto area 1st round
Date 2018-05-13 Rating 2050.64
Round Color Result Opponent
1 White Loss JPN Sato Kiyotomi 2375.21
18 Kanto Renju Emperor Tournament 1st round
Date 2017-11-30 Rating 2059.02
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2640.36
2 Black Win JPN Koyama Akihiro 1912.52
3 White Loss JPN Ishitani Shin-ichi 2331.42
4 White Loss JPN Maruta Hiroki 2083.74
34 Kanto Championship
Date 2017-07-16 Rating 2069.79
Round Color Result Opponent
1 White Win JPN Matsumoto Hiro 1694.21
2 Black Loss JPN Ishitani Shin-ichi 2327.03
3 White Loss JPN Ishima Ryoma 2096.07
12th All Japan Championship
Date 2017-03-26 Rating 2083.12
Round Color Result Opponent
1 White Draw JPN Iio Yoshihiro 2471.09
2 White Loss JPN Tachi Masaya 2466.32
3 Black Draw JPN Nishida Toshio 2031.90
4 Black Loss JPN Ono Takayuki 2298.52
5 White Win JPN Sakamoto Hirouji 2213.78
6 White Loss JPN Fujita Yudai 2414.27
17 Kanto Renju Emperor Tournament 2nd round
Date 2016-12-10 Rating 2091.37
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2708.97
2 White Loss JPN Okabe Hiroshi 2638.57
3 Black Loss JPN Sato Kiyotomi 2426.35
4 White Loss JPN Ishitani Shin-ichi 2329.06
5 White Loss JPN Nakamura Shigeru 2876.31
33 Kanto Championship
Date 2016-07-31 Rating 2105.64
Round Color Result Opponent
1 White Win JPN Cho Enkun 1624.34
2 Black Loss JPN Okabe Hiroshi 2645.80
3 White Win JPN Kato Yasuhiro 2004.75
54 Meijinsen Qualification Kanto area 1st round
Date 2016-05-22 Rating 2111.27
Round Color Result Opponent
2 Black Loss JPN Sato Kiyotomi 2439.39
3 White Win JPN Iwano Fumio 2186.56
4 Black Loss JPN Mitsumori Masao 2281.80
11th All Japan Championship
Date 2016-01-11 Rating 2119.88
Round Color Result Opponent
1 Black Loss JPN Kamiya Shunsuke 2643.83
2 Black Draw JPN Chigira Makoto 1981.59
3 White Loss JPN Fujita Yudai 2381.30
5 White Win JPN Kato Yasuhiro 1998.64
6 White Win JPN Suzuki Rin 1891.32
17 Kanto Renju Emperor Tournament 1st round
Date 2015-11-23 Rating 2122.63
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2646.26
2 Black Win JPN Demachi Koichiro 1872.54
3 White Loss JPN Sato Kiyotomi 2447.50
4 White Win JPN Maruta Hiroki 2060.38
ex1 Black Loss JPN Iwano Fumio 2194.59
Kanto Championship
Date 2015-07-20 Rating 2129.45
Round Color Result Opponent
1 White Loss JPN Nakayama Tomoharu 2684.27
4 White Win JPN Hashimoto Takuya 1967.18
5 Black Win JPN Kato Yasuhiro 2009.03
6 White Win JPN Fujikawa Masaki 2054.64
10th All Japan Championship
Date 2015-03-29 Rating 2127.43
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2600.13
2 White Win JPN Fujikawa Masaki 2045.92
31th Kanto Championship
Date 2014-05-11 Rating 2113.96
Round Color Result Opponent
2 White Loss JPN Tamura Kazumasa 2452.72
3 White Loss JPN Tomobe Katsuhiro 2067.28
4 White Win JPN Maruta Hiroki 2042.47
11th Middle-dan players Tournament
Date 2013-08-17 Rating 2108.60
Round Color Result Opponent
1 White Loss JPN Kashihara Akihiko 2268.92
2 Black Loss JPN Kato Yasuhiro 2067.48
3 White Win JPN Maruta Hiroki 2073.15
4 White Win JPN Kubo Izumi 2032.04
5 Black Win JPN Miyagawa Junzo 2155.34
6 White Loss JPN Nakayama Tomoharu 2584.00
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2105.05
Round Color Result Opponent
1 White Loss JPN Isobe Taizan 2334.26
29th Kanto Championship
Date 2013-05-12 Rating 2103.59
Round Color Result Opponent
3 Black Loss JPN Suzuki Rin 1979.75
4 White Win JPN Nakamura Souta 2056.20
5 White Win JPN Tada Ayako 2234.38
13 Kanto Renju Emperor Tournament 1st round
Date 2012-10-21 Rating 2088.48
Round Color Result Opponent
1 White Win JPN Higuchi Fumiya 1573.20
2 Black Win JPN Mitsumori Masao 2285.86
3 White Loss JPN Tada Ayako 2243.88
4 White Loss JPN Ishitani Shin-ichi 2304.53
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2075.02
Round Color Result Opponent
1 White Loss JPN Mitsumori Masao 2299.48
2 White Loss JPN Iwano Fumio 2091.62
3 White Loss JPN Ono Takayuki 2358.37
4 Black Win JPN Maruta Hiroki 2044.33
4th Tohoku Championship
Date 2012-04-08 Rating 2071.30
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2801.93
2 White Win JPN Maruta Hiroki 2038.87
3 White Loss JPN Kobayashi Koichi 2160.63
4 White Loss JPN Kusajima Masato 2130.75
5 White Win JPN Hirono Masakazu 1967.03
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2060.10
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2397.85
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2052.47
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2381.97
28th Kanto Championship
Date 2011-05-22 Rating 2051.47
Round Color Result Opponent
1 White Loss JPN Nakayama Tomoharu 2484.91
2 White Loss JPN Arai Kazumi 2308.49
3 White Loss JPN Suzuki Rin 1944.05
4 White Win JPN Maruta Hiroki 2059.05
5 White Loss JPN Fujikawa Masaki 2028.31
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2055.89
Round Color Result Opponent
1 Black Win JPN Kato Yasuhiro 2017.19
2 White Loss JPN Okabe Hiroshi 2613.59
Meijinsen Qualification East-Japan area 1st round
Date 2010-06-27 Rating 2054.83
Round Color Result Opponent
1 White Loss JPN Fukui Nobuhiro 2261.88
2 White Win JPN Arai Kazumi 2268.03
3 White Loss JPN Kudomi Takahiro 2319.48
4 Black Loss JPN Tada Ayako 2172.91
27th Kanto Championship
Date 2010-05-23 Rating 2054.47
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2765.58
2 White Loss JPN Tomobe Katsuhiro 2151.90
5th All Japan Championship
Date 2010-03-21 Rating 2055.61
Round Color Result Opponent
4 Black Win JPN Kusajima Masato 2114.09
26th Kanto Championship
Date 2009-05-17 Rating 2047.81
Round Color Result Opponent
4 Black Win JPN Matsuoka Teruo 1909.70
4th All Japan Championship
Date 2009-03-21 Rating 2045.05
Round Color Result Opponent
4 White Win JPN Suzuki Rin 1917.17
5 Black Loss JPN Tanizaki Ryusuke 2044.61
6 Black Loss JPN Nagao Noriaki 2286.82
8 Kanto Renju Emperor Tournament 1st round
Date 2007-10-21 Rating 2034.47
Round Color Result Opponent
4 White Loss JPN Nakayama Tomoharu 2269.89
36 Suiseisen Tournament 1st round
Date 1996-03-31 Rating 2012.38
Round Color Result Opponent
4 White Win JPN Tanuma Akira 1814.17