JPN Maruta Koji

Place: Tokyo, Japan

Rating: 2089.03, Rank: 364

First game: 1996-03-31, Last game: 2019-11-10

Top rating: 2119.99 (2015-07-20)

Games: 108, Wins: 38, Draws: 4, Losses: 66

Gy1: 14, Gy2: 20, Gy5: 60

20 Renju Emperor Tournament Kanto area 1st round
Date 2019-11-10 Rating 2089.03
Round Color Result Opponent
2 White Win JPN Shibata Satoru 1846.32
3 White Loss JPN Ishitani Shin-ichi 2277.82
4 White Win JPN Tomobe Katsuhiro 2041.69
36 Kanto Championship
Date 2019-07-28 Rating 2086.08
Round Color Result Opponent
5 White Win JPN Shibata Satoru 1837.81
6 White Loss JPN Miyamoto Syunju 2221.61
57 Meijinsen Qualification East Japan area 2nd round
Date 2019-06-23 Rating 2085.41
Round Color Result Opponent
1 White Loss JPN Kusajima Masato 2198.13
2 White Loss JPN Koyama Jun 2508.84
3 Black Win JPN Maruta Hiroki 2073.13
4 White Loss JPN Ono Takayuki 2297.02
5 White Draw JPN Inoue Fumiya 2312.22
57 Meijinsen Qualification Kanto area 1st round
Date 2019-05-12 Rating 2084.25
Round Color Result Opponent
1 White Win JPN Inoue Fumiya 2314.26
2 White Win JPN Maruta Hiroki 2076.90
3 White Loss JPN Ono Takayuki 2299.85
4 Black Loss JPN Mitsumori Masao 2237.46
13 Middle-dan Players Tournament
Date 2018-08-12 Rating 2061.23
Round Color Result Opponent
1 White Loss JPN Kusajima Masato 2227.74
2 White Loss JPN Miyamoto Syunju 2196.46
4 White Loss JPN Kusajima Masato 2227.74
5 White Loss JPN Miyamoto Syunju 2196.46
35 Kanto Championship
Date 2018-07-16 Rating 2061.33
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2731.62
56 Meijinsen Qualification Kanto area 1st round
Date 2018-05-13 Rating 2061.66
Round Color Result Opponent
1 White Loss JPN Sato Kiyotomi 2359.51
18 Kanto Renju Emperor Tournament 1st round
Date 2017-11-30 Rating 2064.37
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2623.08
2 Black Win JPN Koyama Akihiro 1894.54
3 White Loss JPN Ishitani Shin-ichi 2316.10
4 White Loss JPN Maruta Hiroki 2059.77
34 Kanto Championship
Date 2017-07-16 Rating 2071.34
Round Color Result Opponent
1 White Win JPN Matsumoto Hiro 1682.48
2 Black Loss JPN Ishitani Shin-ichi 2312.03
3 White Loss JPN Ishima Ryoma 2087.93
12th All Japan Championship
Date 2017-03-26 Rating 2081.86
Round Color Result Opponent
1 White Draw JPN Iio Yoshihiro 2459.82
2 White Loss JPN Tachi Masaya 2453.12
3 Black Draw JPN Nishida Toshio 2017.53
4 Black Loss JPN Ono Takayuki 2282.31
5 White Win JPN Sakamoto Hirouji 2191.25
6 White Loss JPN Fujita Yudai 2401.18
17 Kanto Renju Emperor Tournament 2nd round
Date 2016-12-10 Rating 2088.07
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2690.98
2 White Loss JPN Okabe Hiroshi 2621.62
3 Black Loss JPN Sato Kiyotomi 2410.37
4 White Loss JPN Ishitani Shin-ichi 2313.82
5 White Loss JPN Nakamura Shigeru 2859.64
33 Kanto Championship
Date 2016-07-31 Rating 2100.08
Round Color Result Opponent
1 White Win JPN Cho Enkun 1613.06
2 Black Loss JPN Okabe Hiroshi 2628.90
3 White Win JPN Kato Yasuhiro 1971.64
54 Meijinsen Qualification Kanto area 1st round
Date 2016-05-22 Rating 2104.71
Round Color Result Opponent
2 Black Loss JPN Sato Kiyotomi 2423.51
3 White Win JPN Iwano Fumio 2172.02
4 Black Loss JPN Mitsumori Masao 2267.53
11th All Japan Championship
Date 2016-01-11 Rating 2111.71
Round Color Result Opponent
1 Black Loss JPN Kamiya Shunsuke 2626.42
2 Black Draw JPN Chigira Makoto 1966.95
3 White Loss JPN Fujita Yudai 2368.35
5 White Win JPN Kato Yasuhiro 1971.74
6 White Win JPN Suzuki Rin 1879.05
17 Kanto Renju Emperor Tournament 1st round
Date 2015-11-23 Rating 2114.00
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2629.15
2 Black Win JPN Demachi Koichiro 1855.66
3 White Loss JPN Sato Kiyotomi 2431.67
4 White Win JPN Maruta Hiroki 2043.29
ex1 Black Loss JPN Iwano Fumio 2179.99
Kanto Championship
Date 2015-07-20 Rating 2119.99
Round Color Result Opponent
1 White Loss JPN Nakayama Tomoharu 2666.56
4 White Win JPN Hashimoto Takuya 1953.70
5 Black Win JPN Kato Yasuhiro 1986.03
6 White Win JPN Fujikawa Masaki 2036.67
10th All Japan Championship
Date 2015-03-29 Rating 2117.53
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2583.07
2 White Win JPN Fujikawa Masaki 2028.94
31th Kanto Championship
Date 2014-05-11 Rating 2103.06
Round Color Result Opponent
2 White Loss JPN Tamura Kazumasa 2438.54
3 White Loss JPN Tomobe Katsuhiro 2053.02
4 White Win JPN Maruta Hiroki 2028.95
11th Middle-dan players Tournament
Date 2013-08-17 Rating 2097.09
Round Color Result Opponent
1 White Loss JPN Kashihara Akihiko 2254.55
2 Black Loss JPN Kato Yasuhiro 2052.18
3 White Win JPN Maruta Hiroki 2060.00
4 White Win JPN Kubo Izumi 2018.30
5 Black Win JPN Miyagawa Junzo 2140.00
6 White Loss JPN Nakayama Tomoharu 2568.30
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2093.49
Round Color Result Opponent
1 White Loss JPN Isobe Taizan 2320.57
29th Kanto Championship
Date 2013-05-12 Rating 2092.01
Round Color Result Opponent
3 Black Loss JPN Suzuki Rin 1967.89
4 White Win JPN Nakamura Souta 2042.69
5 White Win JPN Tada Ayako 2221.30
13 Kanto Renju Emperor Tournament 1st round
Date 2012-10-21 Rating 2076.85
Round Color Result Opponent
1 White Win JPN Higuchi Fumiya 1563.88
2 Black Win JPN Mitsumori Masao 2272.24
3 White Loss JPN Tada Ayako 2231.04
4 White Loss JPN Ishitani Shin-ichi 2290.79
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2063.42
Round Color Result Opponent
1 White Loss JPN Mitsumori Masao 2286.09
2 White Loss JPN Iwano Fumio 2079.05
3 White Loss JPN Ono Takayuki 2344.67
4 Black Win JPN Maruta Hiroki 2031.90
4th Tohoku Championship
Date 2012-04-08 Rating 2059.74
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2791.21
2 White Win JPN Maruta Hiroki 2026.55
3 White Loss JPN Kobayashi Koichi 2148.45
4 White Loss JPN Kusajima Masato 2119.80
5 White Win JPN Hirono Masakazu 1957.29
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2048.63
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2384.69
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2041.08
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2369.02
28th Kanto Championship
Date 2011-05-22 Rating 2040.09
Round Color Result Opponent
1 White Loss JPN Nakayama Tomoharu 2471.66
2 White Loss JPN Arai Kazumi 2295.54
3 White Loss JPN Suzuki Rin 1932.66
4 White Win JPN Maruta Hiroki 2047.12
5 White Loss JPN Fujikawa Masaki 2016.41
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2044.70
Round Color Result Opponent
1 Black Win JPN Kato Yasuhiro 2005.73
2 White Loss JPN Okabe Hiroshi 2601.65
Meijinsen Qualification East-Japan area 1st round
Date 2010-06-27 Rating 2043.77
Round Color Result Opponent
1 White Loss JPN Fukui Nobuhiro 2250.10
2 White Win JPN Arai Kazumi 2255.95
3 White Loss JPN Kudomi Takahiro 2307.28
4 Black Loss JPN Tada Ayako 2161.48
27th Kanto Championship
Date 2010-05-23 Rating 2043.45
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2765.11
2 White Loss JPN Tomobe Katsuhiro 2140.66
5th All Japan Championship
Date 2010-03-21 Rating 2044.66
Round Color Result Opponent
4 Black Win JPN Kusajima Masato 2103.78
26th Kanto Championship
Date 2009-05-17 Rating 2037.21
Round Color Result Opponent
4 Black Win JPN Matsuoka Teruo 1899.49
4th All Japan Championship
Date 2009-03-21 Rating 2034.51
Round Color Result Opponent
4 White Win JPN Suzuki Rin 1906.96
5 Black Loss JPN Tanizaki Ryusuke 2033.64
6 Black Loss JPN Nagao Noriaki 2275.96
8 Kanto Renju Emperor Tournament 1st round
Date 2007-10-21 Rating 2024.51
Round Color Result Opponent
4 White Loss JPN Nakayama Tomoharu 2258.59
36 Suiseisen Tournament 1st round
Date 1996-03-31 Rating 2007.53
Round Color Result Opponent
4 White Win JPN Tanuma Akira 1812.80