JPN Maruta Koji

Place: Tokyo, Japan

Rating: 1975.21, Rank: 522

First game: 1996-03-31, Last game: 2021-03-28

Top rating: 2120.71 (2015-07-20)

Games: 128, Wins: 44, Draws: 4, Losses: 80

Gy1: 20, Gy2: 34, Gy5: 64

16th All Japan Championship
Date 2021-03-28 Rating 1975.21
Round Color Result Opponent
1 White Loss JPN Makino Mitsunori 2457.64
2 White Loss JPN Ishitani Shin-ichi 2324.46
3 White Loss JPN Yoshimoto Yuta 2076.57
4 White Loss JPN Kawaai Hitoshi 1917.86
5 White Loss JPN Suenaga Daiki 2159.16
6 Black Win JPN Maruta Hiroki 2069.76
24th New Year(Mikami)Cup
Date 2021-01-29 Rating 1978.40
Round Color Result Opponent
S1 Black Win JPN Maruta Hiroki 2077.32
S2 White Loss JPN Makino Mitsunori 2452.56
S3 White Loss JPN Okabe Hiroshi 2678.53
S4 Black Loss JPN Ono Takayuki 2281.17
S5 White Loss JPN Ishitani Shin-ichi 2328.38
21 Renju Emperor Tournament Kanto area 1st round
Date 2020-11-15 Rating 1980.90
Round Color Result Opponent
1 White Loss JPN Kawaai Hitoshi 1919.00
2 White Loss JPN Suenaga Daiki 2162.70
3 White Loss JPN Shimura Hiroki 1835.04
4 White Win JPN Kasahara Reiko 1617.67
37 Kanto Championship
Date 2020-08-10 Rating 1994.48
Round Color Result Opponent
3 White Win JPN Okada Akihiro 2034.08
5 Black Loss JPN Kato Yasuhiro 2018.30
6 Black Win JPN Shimura Hiroki 1819.97
58 Meijinsen Qualification Kanto area 1st round
Date 2020-06-21 Rating 2000.15
Round Color Result Opponent
1 White Loss JPN Fujita Maiko 2291.82
2 White Win JPN Ito Midori 1688.33
20 Renju Emperor Tournament Kanto area 1st round
Date 2019-11-10 Rating 2025.80
Round Color Result Opponent
2 White Win JPN Shibata Satoru 1768.23
3 White Loss JPN Ishitani Shin-ichi 2312.60
4 White Win JPN Tomobe Katsuhiro 2063.86
36 Kanto Championship
Date 2019-07-28 Rating 2033.31
Round Color Result Opponent
5 White Win JPN Shibata Satoru 1768.20
6 White Loss JPN Miyamoto Syunju 2220.68
57 Meijinsen Qualification East Japan area 2nd round
Date 2019-06-23 Rating 2036.01
Round Color Result Opponent
1 White Loss JPN Kusajima Masato 2179.92
2 White Loss JPN Koyama Jun 2520.06
3 Black Win JPN Maruta Hiroki 2092.00
4 White Loss JPN Ono Takayuki 2307.30
5 White Draw JPN Inoue Fumiya 2338.59
57 Meijinsen Qualification Kanto area 1st round
Date 2019-05-12 Rating 2038.02
Round Color Result Opponent
1 White Win JPN Inoue Fumiya 2339.17
2 White Win JPN Maruta Hiroki 2094.85
3 White Loss JPN Ono Takayuki 2309.89
4 Black Loss JPN Mitsumori Masao 2241.18
13 Middle-dan Players Tournament
Date 2018-08-12 Rating 2030.38
Round Color Result Opponent
1 White Loss JPN Kusajima Masato 2219.66
2 White Loss JPN Miyamoto Syunju 2195.85
4 White Loss JPN Kusajima Masato 2219.66
5 White Loss JPN Miyamoto Syunju 2195.85
35 Kanto Championship
Date 2018-07-16 Rating 2031.75
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2742.13
56 Meijinsen Qualification Kanto area 1st round
Date 2018-05-13 Rating 2035.08
Round Color Result Opponent
1 White Loss JPN Sato Kiyotomi 2366.30
18 Kanto Renju Emperor Tournament 1st round
Date 2017-11-30 Rating 2045.18
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2633.27
2 Black Win JPN Koyama Akihiro 1908.04
3 White Loss JPN Ishitani Shin-ichi 2323.99
4 White Loss JPN Maruta Hiroki 2075.38
34 Kanto Championship
Date 2017-07-16 Rating 2057.13
Round Color Result Opponent
1 White Win JPN Matsumoto Hiro 1689.70
2 Black Loss JPN Ishitani Shin-ichi 2319.46
3 White Loss JPN Ishima Ryoma 2089.72
12th All Japan Championship
Date 2017-03-26 Rating 2071.27
Round Color Result Opponent
1 White Draw JPN Iio Yoshihiro 2460.61
2 White Loss JPN Tachi Masaya 2456.95
3 Black Draw JPN Nishida Toshio 2023.48
4 Black Loss JPN Ono Takayuki 2290.60
5 White Win JPN Sakamoto Hirouji 2205.82
6 White Loss JPN Fujita Yudai 2406.48
17 Kanto Renju Emperor Tournament 2nd round
Date 2016-12-10 Rating 2080.14
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2700.91
2 White Loss JPN Okabe Hiroshi 2630.72
3 Black Loss JPN Sato Kiyotomi 2417.87
4 White Loss JPN Ishitani Shin-ichi 2321.25
5 White Loss JPN Nakamura Shigeru 2868.91
33 Kanto Championship
Date 2016-07-31 Rating 2095.14
Round Color Result Opponent
1 White Win JPN Cho Enkun 1619.34
2 Black Loss JPN Okabe Hiroshi 2637.90
3 White Win JPN Kato Yasuhiro 1989.29
54 Meijinsen Qualification Kanto area 1st round
Date 2016-05-22 Rating 2101.17
Round Color Result Opponent
2 Black Loss JPN Sato Kiyotomi 2431.31
3 White Win JPN Iwano Fumio 2180.14
4 Black Loss JPN Mitsumori Masao 2274.11
11th All Japan Championship
Date 2016-01-11 Rating 2110.46
Round Color Result Opponent
1 Black Loss JPN Kamiya Shunsuke 2635.82
2 Black Draw JPN Chigira Makoto 1974.44
3 White Loss JPN Fujita Yudai 2374.26
5 White Win JPN Kato Yasuhiro 1986.22
6 White Win JPN Suzuki Rin 1885.78
17 Kanto Renju Emperor Tournament 1st round
Date 2015-11-23 Rating 2113.43
Round Color Result Opponent
1 White Loss JPN Okabe Hiroshi 2638.46
2 Black Win JPN Demachi Koichiro 1868.02
3 White Loss JPN Sato Kiyotomi 2439.79
4 White Win JPN Maruta Hiroki 2054.14
ex1 Black Loss JPN Iwano Fumio 2188.38
Kanto Championship
Date 2015-07-20 Rating 2120.71
Round Color Result Opponent
1 White Loss JPN Nakayama Tomoharu 2676.52
4 White Win JPN Hashimoto Takuya 1961.62
5 Black Win JPN Kato Yasuhiro 1998.60
6 White Win JPN Fujikawa Masaki 2047.73
10th All Japan Championship
Date 2015-03-29 Rating 2119.08
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2592.67
2 White Win JPN Fujikawa Masaki 2039.33
31th Kanto Championship
Date 2014-05-11 Rating 2106.63
Round Color Result Opponent
2 White Loss JPN Tamura Kazumasa 2446.51
3 White Loss JPN Tomobe Katsuhiro 2062.55
4 White Win JPN Maruta Hiroki 2037.72
11th Middle-dan players Tournament
Date 2013-08-17 Rating 2101.96
Round Color Result Opponent
1 White Loss JPN Kashihara Akihiko 2262.67
2 Black Loss JPN Kato Yasuhiro 2060.96
3 White Win JPN Maruta Hiroki 2068.14
4 White Win JPN Kubo Izumi 2026.12
5 Black Win JPN Miyagawa Junzo 2148.95
6 White Loss JPN Nakayama Tomoharu 2577.46
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2098.54
Round Color Result Opponent
1 White Loss JPN Isobe Taizan 2328.49
29th Kanto Championship
Date 2013-05-12 Rating 2097.15
Round Color Result Opponent
3 Black Loss JPN Suzuki Rin 1974.91
4 White Win JPN Nakamura Souta 2050.98
5 White Win JPN Tada Ayako 2229.04
13 Kanto Renju Emperor Tournament 1st round
Date 2012-10-21 Rating 2082.41
Round Color Result Opponent
1 White Win JPN Higuchi Fumiya 1569.57
2 Black Win JPN Mitsumori Masao 2280.07
3 White Loss JPN Tada Ayako 2238.65
4 White Loss JPN Ishitani Shin-ichi 2298.72
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2069.19
Round Color Result Opponent
1 White Loss JPN Mitsumori Masao 2293.87
2 White Loss JPN Iwano Fumio 2086.59
3 White Loss JPN Ono Takayuki 2352.67
4 Black Win JPN Maruta Hiroki 2039.38
4th Tohoku Championship
Date 2012-04-08 Rating 2065.55
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2796.48
2 White Win JPN Maruta Hiroki 2033.96
3 White Loss JPN Kobayashi Koichi 2155.43
4 White Loss JPN Kusajima Masato 2125.08
5 White Win JPN Hirono Masakazu 1962.11
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2054.56
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2392.25
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2047.10
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2376.46
28th Kanto Championship
Date 2011-05-22 Rating 2046.12
Round Color Result Opponent
1 White Loss JPN Nakayama Tomoharu 2479.53
2 White Loss JPN Arai Kazumi 2303.50
3 White Loss JPN Suzuki Rin 1939.47
4 White Win JPN Maruta Hiroki 2054.31
5 White Loss JPN Fujikawa Masaki 2023.67
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2050.74
Round Color Result Opponent
1 Black Win JPN Kato Yasuhiro 2012.55
2 White Loss JPN Okabe Hiroshi 2610.26
Meijinsen Qualification East-Japan area 1st round
Date 2010-06-27 Rating 2049.80
Round Color Result Opponent
1 White Loss JPN Fukui Nobuhiro 2257.13
2 White Win JPN Arai Kazumi 2263.37
3 White Loss JPN Kudomi Takahiro 2314.64
4 Black Loss JPN Tada Ayako 2168.33
27th Kanto Championship
Date 2010-05-23 Rating 2049.47
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2760.95
2 White Loss JPN Tomobe Katsuhiro 2147.46
5th All Japan Championship
Date 2010-03-21 Rating 2050.65
Round Color Result Opponent
4 Black Win JPN Kusajima Masato 2109.06
26th Kanto Championship
Date 2009-05-17 Rating 2043.08
Round Color Result Opponent
4 Black Win JPN Matsuoka Teruo 1905.70
4th All Japan Championship
Date 2009-03-21 Rating 2040.36
Round Color Result Opponent
4 White Win JPN Suzuki Rin 1913.09
5 Black Loss JPN Tanizaki Ryusuke 2040.23
6 Black Loss JPN Nagao Noriaki 2283.25
8 Kanto Renju Emperor Tournament 1st round
Date 2007-10-21 Rating 2030.06
Round Color Result Opponent
4 White Loss JPN Nakayama Tomoharu 2265.32
36 Suiseisen Tournament 1st round
Date 1996-03-31 Rating 2010.23
Round Color Result Opponent
4 White Win JPN Tanuma Akira 1813.56