JPN Maruta Koji

Place: Tokyo, Japan

Rating: 2090.99, Rank: 381

First game: 1996-03-31, Last game: 2020-08-10

Top rating: 2128.67 (2015-07-20)

Games: 113, Wins: 41, Draws: 4, Losses: 68

Gy1: 8, Gy2: 19, Gy5: 59

37 Kanto Championship
Date 2020-08-10 Rating 2090.99
Round Color Result Opponent
3 White Win JPN Okada Akihiro 2071.19
5 Black Loss JPN Kato Yasuhiro 2023.32
6 Black Win JPN Shimura Hiroki 1545.39
58 Meijinsen Qualification Kanto area 1st round
Date 2020-06-21 Rating 2091.30
Round Color Result Opponent
1 White Loss JPN Fujita Maiko 2295.43
2 White Win JPN Ito Midori 1697.67
20 Renju Emperor Tournament Kanto area 1st round
Date 2019-11-10 Rating 2095.05
Round Color Result Opponent
2 White Win JPN Shibata Satoru 1865.65
3 White Loss JPN Ishitani Shin-ichi 2305.09
4 White Win JPN Tomobe Katsuhiro 2068.55
36 Kanto Championship
Date 2019-07-28 Rating 2093.35
Round Color Result Opponent
5 White Win JPN Shibata Satoru 1856.76
6 White Loss JPN Miyamoto Syunju 2224.47
57 Meijinsen Qualification East Japan area 2nd round
Date 2019-06-23 Rating 2093.09
Round Color Result Opponent
1 White Loss JPN Kusajima Masato 2201.89
2 White Loss JPN Koyama Jun 2518.19
3 Black Win JPN Maruta Hiroki 2119.84
4 White Loss JPN Ono Takayuki 2316.60
5 White Draw JPN Inoue Fumiya 2328.73
57 Meijinsen Qualification Kanto area 1st round
Date 2019-05-12 Rating 2092.19
Round Color Result Opponent
1 White Win JPN Inoue Fumiya 2330.49
2 White Win JPN Maruta Hiroki 2120.43
3 White Loss JPN Ono Takayuki 2318.72
4 Black Loss JPN Mitsumori Masao 2246.96
13 Middle-dan Players Tournament
Date 2018-08-12 Rating 2069.42
Round Color Result Opponent
1 White Loss JPN Kusajima Masato 2233.40
2 White Loss JPN Miyamoto Syunju 2201.82
4 White Loss JPN Kusajima Masato 2233.40
5 White Loss JPN Miyamoto Syunju 2201.82
35 Kanto Championship
Date 2018-07-16 Rating 2069.57
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2741.13
56 Meijinsen Qualification Kanto area 1st round
Date 2018-05-13 Rating 2070.02
Round Color Result Opponent
1 White Loss JPN Sato Kiyotomi 2368.78
18 Kanto Renju Emperor Tournament 1st round
Date 2017-11-30 Rating 2073.02
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2630.81
2 Black Win JPN Koyama Akihiro 1908.50
3 White Loss JPN Ishitani Shin-ichi 2323.58
4 White Loss JPN Maruta Hiroki 2082.91
34 Kanto Championship
Date 2017-07-16 Rating 2079.97
Round Color Result Opponent
1 White Win JPN Matsumoto Hiro 1691.84
2 Black Loss JPN Ishitani Shin-ichi 2319.03
3 White Loss JPN Ishima Ryoma 2094.73
12th All Japan Championship
Date 2017-03-26 Rating 2090.51
Round Color Result Opponent
1 White Draw JPN Iio Yoshihiro 2461.84
2 White Loss JPN Tachi Masaya 2455.99
3 Black Draw JPN Nishida Toshio 2024.18
4 Black Loss JPN Ono Takayuki 2293.43
5 White Win JPN Sakamoto Hirouji 2202.18
6 White Loss JPN Fujita Yudai 2404.95
17 Kanto Renju Emperor Tournament 2nd round
Date 2016-12-10 Rating 2096.79
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2699.42
2 White Loss JPN Okabe Hiroshi 2629.31
3 Black Loss JPN Sato Kiyotomi 2419.11
4 White Loss JPN Ishitani Shin-ichi 2320.44
5 White Loss JPN Nakamura Shigeru 2866.65
33 Kanto Championship
Date 2016-07-31 Rating 2108.91
Round Color Result Opponent
1 White Win JPN Cho Enkun 1620.68
2 Black Loss JPN Okabe Hiroshi 2636.65
3 White Win JPN Kato Yasuhiro 1991.15
54 Meijinsen Qualification Kanto area 1st round
Date 2016-05-22 Rating 2113.53
Round Color Result Opponent
2 Black Loss JPN Sato Kiyotomi 2432.06
3 White Win JPN Iwano Fumio 2180.94
4 Black Loss JPN Mitsumori Masao 2276.14
11th All Japan Championship
Date 2016-01-11 Rating 2120.52
Round Color Result Opponent
1 Black Loss JPN Kamiya Shunsuke 2634.41
2 Black Draw JPN Chigira Makoto 1976.82
3 White Loss JPN Fujita Yudai 2372.98
5 White Win JPN Kato Yasuhiro 1987.56
6 White Win JPN Suzuki Rin 1886.16
17 Kanto Renju Emperor Tournament 1st round
Date 2015-11-23 Rating 2122.80
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2637.19
2 Black Win JPN Demachi Koichiro 1867.52
3 White Loss JPN Sato Kiyotomi 2440.04
4 White Win JPN Maruta Hiroki 2054.99
ex1 Black Loss JPN Iwano Fumio 2188.87
Kanto Championship
Date 2015-07-20 Rating 2128.67
Round Color Result Opponent
1 White Loss JPN Nakayama Tomoharu 2674.87
4 White Win JPN Hashimoto Takuya 1962.21
5 Black Win JPN Kato Yasuhiro 1999.42
6 White Win JPN Fujikawa Masaki 2047.26
10th All Japan Championship
Date 2015-03-29 Rating 2126.04
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2591.34
2 White Win JPN Fujikawa Masaki 2038.91
31th Kanto Championship
Date 2014-05-11 Rating 2111.05
Round Color Result Opponent
2 White Loss JPN Tamura Kazumasa 2445.05
3 White Loss JPN Tomobe Katsuhiro 2062.14
4 White Win JPN Maruta Hiroki 2037.36
11th Middle-dan players Tournament
Date 2013-08-17 Rating 2104.61
Round Color Result Opponent
1 White Loss JPN Kashihara Akihiko 2261.44
2 Black Loss JPN Kato Yasuhiro 2060.42
3 White Win JPN Maruta Hiroki 2067.42
4 White Win JPN Kubo Izumi 2025.07
5 Black Win JPN Miyagawa Junzo 2147.44
6 White Loss JPN Nakayama Tomoharu 2575.62
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2100.91
Round Color Result Opponent
1 White Loss JPN Isobe Taizan 2327.49
29th Kanto Championship
Date 2013-05-12 Rating 2099.37
Round Color Result Opponent
3 Black Loss JPN Suzuki Rin 1974.50
4 White Win JPN Nakamura Souta 2050.51
5 White Win JPN Tada Ayako 2228.11
13 Kanto Renju Emperor Tournament 1st round
Date 2012-10-21 Rating 2083.90
Round Color Result Opponent
1 White Win JPN Higuchi Fumiya 1569.16
2 Black Win JPN Mitsumori Masao 2279.29
3 White Loss JPN Tada Ayako 2237.62
4 White Loss JPN Ishitani Shin-ichi 2297.32
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2070.26
Round Color Result Opponent
1 White Loss JPN Mitsumori Masao 2293.01
2 White Loss JPN Iwano Fumio 2085.76
3 White Loss JPN Ono Takayuki 2351.02
4 Black Win JPN Maruta Hiroki 2038.49
4th Tohoku Championship
Date 2012-04-08 Rating 2066.50
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2797.53
2 White Win JPN Maruta Hiroki 2033.04
3 White Loss JPN Kobayashi Koichi 2154.67
4 White Loss JPN Kusajima Masato 2125.62
5 White Win JPN Hirono Masakazu 1962.75
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2055.21
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2390.81
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2047.52
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2375.02
28th Kanto Championship
Date 2011-05-22 Rating 2046.51
Round Color Result Opponent
1 White Loss JPN Nakayama Tomoharu 2478.04
2 White Loss JPN Arai Kazumi 2301.98
3 White Loss JPN Suzuki Rin 1938.65
4 White Win JPN Maruta Hiroki 2053.25
5 White Loss JPN Fujikawa Masaki 2022.81
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2050.92
Round Color Result Opponent
1 Black Win JPN Kato Yasuhiro 2011.52
2 White Loss JPN Okabe Hiroshi 2607.95
Meijinsen Qualification East-Japan area 1st round
Date 2010-06-27 Rating 2049.87
Round Color Result Opponent
1 White Loss JPN Fukui Nobuhiro 2255.84
2 White Win JPN Arai Kazumi 2262.02
3 White Loss JPN Kudomi Takahiro 2313.47
4 Black Loss JPN Tada Ayako 2167.22
27th Kanto Championship
Date 2010-05-23 Rating 2049.53
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2771.72
2 White Loss JPN Tomobe Katsuhiro 2146.47
5th All Japan Championship
Date 2010-03-21 Rating 2050.68
Round Color Result Opponent
4 Black Win JPN Kusajima Masato 2109.03
26th Kanto Championship
Date 2009-05-17 Rating 2043.00
Round Color Result Opponent
4 Black Win JPN Matsuoka Teruo 1904.81
4th All Japan Championship
Date 2009-03-21 Rating 2040.26
Round Color Result Opponent
4 White Win JPN Suzuki Rin 1912.24
5 Black Loss JPN Tanizaki Ryusuke 2039.33
6 Black Loss JPN Nagao Noriaki 2281.61
8 Kanto Renju Emperor Tournament 1st round
Date 2007-10-21 Rating 2029.92
Round Color Result Opponent
4 White Loss JPN Nakayama Tomoharu 2264.05
36 Suiseisen Tournament 1st round
Date 1996-03-31 Rating 2010.16
Round Color Result Opponent
4 White Win JPN Tanuma Akira 1813.54