JPN Maruta Koji

Place: Tokyo, Japan

Rating: 2093.60, Rank: 373

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

Top rating: 2129.47 (2015-07-20)

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

Gy1: 5, Gy2: 19, Gy5: 49

37 Kanto Championship
Date 2020-08-10 Rating 2093.60
Round Color Result Opponent
3 White Win JPN Okada Akihiro 2069.86
5 Black Loss JPN Kato Yasuhiro 2029.98
6 Black Win JPN Shimura Hiroki 1715.57
58 Meijinsen Qualification Kanto area 1st round
Date 2020-06-21 Rating 2093.69
Round Color Result Opponent
1 White Loss JPN Fujita Maiko 2284.87
2 White Win JPN Ito Midori 1705.32
20 Renju Emperor Tournament Kanto area 1st round
Date 2019-11-10 Rating 2096.62
Round Color Result Opponent
2 White Win JPN Shibata Satoru 1871.00
3 White Loss JPN Ishitani Shin-ichi 2309.20
4 White Win JPN Tomobe Katsuhiro 2075.43
36 Kanto Championship
Date 2019-07-28 Rating 2094.43
Round Color Result Opponent
5 White Win JPN Shibata Satoru 1862.21
6 White Loss JPN Miyamoto Syunju 2223.42
57 Meijinsen Qualification East Japan area 2nd round
Date 2019-06-23 Rating 2094.00
Round Color Result Opponent
1 White Loss JPN Kusajima Masato 2185.16
2 White Loss JPN Koyama Jun 2518.69
3 Black Win JPN Maruta Hiroki 2119.04
4 White Loss JPN Ono Takayuki 2314.02
5 White Draw JPN Inoue Fumiya 2326.95
57 Meijinsen Qualification Kanto area 1st round
Date 2019-05-12 Rating 2093.00
Round Color Result Opponent
1 White Win JPN Inoue Fumiya 2328.92
2 White Win JPN Maruta Hiroki 2119.65
3 White Loss JPN Ono Takayuki 2316.32
4 Black Loss JPN Mitsumori Masao 2247.11
13 Middle-dan Players Tournament
Date 2018-08-12 Rating 2069.74
Round Color Result Opponent
1 White Loss JPN Kusajima Masato 2224.44
2 White Loss JPN Miyamoto Syunju 2199.55
4 White Loss JPN Kusajima Masato 2224.44
5 White Loss JPN Miyamoto Syunju 2199.55
35 Kanto Championship
Date 2018-07-16 Rating 2069.90
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2741.94
56 Meijinsen Qualification Kanto area 1st round
Date 2018-05-13 Rating 2070.36
Round Color Result Opponent
1 White Loss JPN Sato Kiyotomi 2368.17
18 Kanto Renju Emperor Tournament 1st round
Date 2017-11-30 Rating 2073.43
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2630.74
2 Black Win JPN Koyama Akihiro 1909.93
3 White Loss JPN Ishitani Shin-ichi 2324.52
4 White Loss JPN Maruta Hiroki 2083.46
34 Kanto Championship
Date 2017-07-16 Rating 2080.40
Round Color Result Opponent
1 White Win JPN Matsumoto Hiro 1692.58
2 Black Loss JPN Ishitani Shin-ichi 2320.20
3 White Loss JPN Ishima Ryoma 2095.30
12th All Japan Championship
Date 2017-03-26 Rating 2090.96
Round Color Result Opponent
1 White Draw JPN Iio Yoshihiro 2460.11
2 White Loss JPN Tachi Masaya 2455.92
3 Black Draw JPN Nishida Toshio 2022.22
4 Black Loss JPN Ono Takayuki 2293.33
5 White Win JPN Sakamoto Hirouji 2199.56
6 White Loss JPN Fujita Yudai 2406.80
17 Kanto Renju Emperor Tournament 2nd round
Date 2016-12-10 Rating 2097.32
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2700.40
2 White Loss JPN Okabe Hiroshi 2629.76
3 Black Loss JPN Sato Kiyotomi 2419.18
4 White Loss JPN Ishitani Shin-ichi 2321.94
5 White Loss JPN Nakamura Shigeru 2867.85
33 Kanto Championship
Date 2016-07-31 Rating 2109.54
Round Color Result Opponent
1 White Win JPN Cho Enkun 1621.41
2 Black Loss JPN Okabe Hiroshi 2637.26
3 White Win JPN Kato Yasuhiro 1993.50
54 Meijinsen Qualification Kanto area 1st round
Date 2016-05-22 Rating 2114.20
Round Color Result Opponent
2 Black Loss JPN Sato Kiyotomi 2432.44
3 White Win JPN Iwano Fumio 2181.99
4 Black Loss JPN Mitsumori Masao 2276.66
11th All Japan Championship
Date 2016-01-11 Rating 2121.25
Round Color Result Opponent
1 Black Loss JPN Kamiya Shunsuke 2635.50
2 Black Draw JPN Chigira Makoto 1976.79
3 White Loss JPN Fujita Yudai 2374.80
5 White Win JPN Kato Yasuhiro 1989.41
6 White Win JPN Suzuki Rin 1886.79
17 Kanto Renju Emperor Tournament 1st round
Date 2015-11-23 Rating 2123.55
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2638.20
2 Black Win JPN Demachi Koichiro 1868.80
3 White Loss JPN Sato Kiyotomi 2440.66
4 White Win JPN Maruta Hiroki 2056.00
ex1 Black Loss JPN Iwano Fumio 2189.93
Kanto Championship
Date 2015-07-20 Rating 2129.47
Round Color Result Opponent
1 White Loss JPN Nakayama Tomoharu 2676.28
4 White Win JPN Hashimoto Takuya 1962.99
5 Black Win JPN Kato Yasuhiro 2001.01
6 White Win JPN Fujikawa Masaki 2048.34
10th All Japan Championship
Date 2015-03-29 Rating 2126.86
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2592.67
2 White Win JPN Fujikawa Masaki 2039.96
31th Kanto Championship
Date 2014-05-11 Rating 2111.92
Round Color Result Opponent
2 White Loss JPN Tamura Kazumasa 2446.54
3 White Loss JPN Tomobe Katsuhiro 2063.39
4 White Win JPN Maruta Hiroki 2038.32
11th Middle-dan players Tournament
Date 2013-08-17 Rating 2105.52
Round Color Result Opponent
1 White Loss JPN Kashihara Akihiko 2261.81
2 Black Loss JPN Kato Yasuhiro 2061.59
3 White Win JPN Maruta Hiroki 2068.39
4 White Win JPN Kubo Izumi 2025.77
5 Black Win JPN Miyagawa Junzo 2148.76
6 White Loss JPN Nakayama Tomoharu 2577.37
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2101.81
Round Color Result Opponent
1 White Loss JPN Isobe Taizan 2328.67
29th Kanto Championship
Date 2013-05-12 Rating 2100.28
Round Color Result Opponent
3 Black Loss JPN Suzuki Rin 1975.31
4 White Win JPN Nakamura Souta 2051.46
5 White Win JPN Tada Ayako 2229.15
13 Kanto Renju Emperor Tournament 1st round
Date 2012-10-21 Rating 2084.82
Round Color Result Opponent
1 White Win JPN Higuchi Fumiya 1569.89
2 Black Win JPN Mitsumori Masao 2280.43
3 White Loss JPN Tada Ayako 2238.70
4 White Loss JPN Ishitani Shin-ichi 2298.78
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2071.18
Round Color Result Opponent
1 White Loss JPN Mitsumori Masao 2294.15
2 White Loss JPN Iwano Fumio 2086.77
3 White Loss JPN Ono Takayuki 2352.76
4 Black Win JPN Maruta Hiroki 2039.46
4th Tohoku Championship
Date 2012-04-08 Rating 2067.41
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2796.38
2 White Win JPN Maruta Hiroki 2034.00
3 White Loss JPN Kobayashi Koichi 2155.62
4 White Loss JPN Kusajima Masato 2125.74
5 White Win JPN Hirono Masakazu 1962.65
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2056.13
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2392.19
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2048.45
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2376.39
28th Kanto Championship
Date 2011-05-22 Rating 2047.44
Round Color Result Opponent
1 White Loss JPN Nakayama Tomoharu 2479.43
2 White Loss JPN Arai Kazumi 2303.43
3 White Loss JPN Suzuki Rin 1939.57
4 White Win JPN Maruta Hiroki 2054.23
5 White Loss JPN Fujikawa Masaki 2023.79
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2051.84
Round Color Result Opponent
1 Black Win JPN Kato Yasuhiro 2012.53
2 White Loss JPN Okabe Hiroshi 2610.13
Meijinsen Qualification East-Japan area 1st round
Date 2010-06-27 Rating 2050.79
Round Color Result Opponent
1 White Loss JPN Fukui Nobuhiro 2257.05
2 White Win JPN Arai Kazumi 2263.32
3 White Loss JPN Kudomi Takahiro 2314.63
4 Black Loss JPN Tada Ayako 2168.27
27th Kanto Championship
Date 2010-05-23 Rating 2050.44
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2760.77
2 White Loss JPN Tomobe Katsuhiro 2147.49
5th All Japan Championship
Date 2010-03-21 Rating 2051.59
Round Color Result Opponent
4 Black Win JPN Kusajima Masato 2109.51
26th Kanto Championship
Date 2009-05-17 Rating 2043.90
Round Color Result Opponent
4 Black Win JPN Matsuoka Teruo 1905.71
4th All Japan Championship
Date 2009-03-21 Rating 2041.16
Round Color Result Opponent
4 White Win JPN Suzuki Rin 1913.12
5 Black Loss JPN Tanizaki Ryusuke 2040.30
6 Black Loss JPN Nagao Noriaki 2283.20
8 Kanto Renju Emperor Tournament 1st round
Date 2007-10-21 Rating 2030.77
Round Color Result Opponent
4 White Loss JPN Nakayama Tomoharu 2265.24
36 Suiseisen Tournament 1st round
Date 1996-03-31 Rating 2010.58
Round Color Result Opponent
4 White Win JPN Tanuma Akira 1813.66