Maruta Koji (丸田光治)

Place: Tokyo, Japan

Rating: 2065.70, Rank: 453

First game: 1996-03-01, Last game: 2022-04-10

Top rating: 2133.90 (2015-07-20)

Games: 134, Wins: 47, Draws: 4, Losses: 83

Gy1: 6, Gy2: 24, Gy5: 53

Special Tournament
Date	2022-04-10		Rating	2065.70
Round	Color	Result	Opponent
1	White	Loss	Fujita Maiko	2319.81
2	White	Loss	Inoue Fumiya	2410.85
3	White	Win	Maruta Hiroki	2191.36
38 Kanto Championship
Date	2021-08-08		Rating	2059.07
Round	Color	Result	Opponent
1	White	Loss	Inoue Fumiya	2411.28
2	White	Win	Kobayashi Nanako	1928.53
3	White	Win	Fujita Maiko	2280.13
16th All Japan Championship
Date	2021-03-28		Rating	2045.74
Round	Color	Result	Opponent
1	White	Loss	Makino Mitsunori	2443.44
2	White	Loss	Ishitani Shin-ichi	2287.19
3	White	Loss	Yoshimoto Yuta	2152.68
4	White	Loss	Kawaai Hitoshi	1923.60
5	White	Loss	Suenaga Daiki	2208.63
6	Black	Win	Maruta Hiroki	2172.63
24th New Year(Mikami)Cup
Date	2021-01-29		Rating	2043.88
Round	Color	Result	Opponent
S1	Black	Win	Maruta Hiroki	2169.49
S2	White	Loss	Makino Mitsunori	2442.50
S3	White	Loss	Okabe Hiroshi	2644.97
S4	Black	Loss	Ono Takayuki	2318.42
S5	White	Loss	Ishitani Shin-ichi	2298.56
21 Renju Emperor Tournament Kanto area 1st round
Date	2020-11-15		Rating	2040.41
Round	Color	Result	Opponent
1	White	Loss	Kawaai Hitoshi	1929.19
2	White	Loss	Suenaga Daiki	2209.91
3	White	Loss	Shimura Hiroki	1903.32
4	White	Win	Kasahara Reiko	1636.53
37 Kanto Championship
Date	2020-08-10		Rating	2046.92
Round	Color	Result	Opponent
3	White	Win	Okada Akihiro	1864.47
5	Black	Loss	Kato Yasuhiro	2009.45
6	Black	Win	Shimura Hiroki	1883.76
58 Meijinsen Qualification Kanto area 1st round
Date	2020-06-21		Rating	2050.32
Round	Color	Result	Opponent
1	White	Loss	Fujita Maiko	2293.63
2	White	Win	Ito Midori	1707.05
20 Renju Emperor Tournament Kanto area 1st round
Date	2019-11-10		Rating	2066.85
Round	Color	Result	Opponent
2	White	Win	Shibata Satoru	1792.14
3	White	Loss	Ishitani Shin-ichi	2314.00
4	White	Win	Tomobe Katsuhiro	2083.03
36 Kanto Championship
Date	2019-07-28		Rating	2070.70
Round	Color	Result	Opponent
5	White	Win	Shibata Satoru	1791.81
6	White	Loss	Miyamoto Syunju	2225.40
57 Meijinsen Qualification East Japan area 2nd round
Date	2019-06-23		Rating	2072.30
Round	Color	Result	Opponent
1	White	Loss	Kusajima Masato	2200.95
2	White	Loss	Koyama Jun	2532.63
3	Black	Win	Maruta Hiroki	2126.83
4	White	Loss	Ono Takayuki	2329.90
5	White	Draw	Inoue Fumiya	2356.45
57 Meijinsen Qualification Kanto area 1st round
Date	2019-05-12		Rating	2073.17
Round	Color	Result	Opponent
1	White	Win	Inoue Fumiya	2356.78
2	White	Win	Maruta Hiroki	2127.57
3	White	Loss	Ono Takayuki	2331.79
4	Black	Loss	Mitsumori Masao	2256.43
13 Middle-dan Players Tournament
Date	2018-08-12		Rating	2059.10
Round	Color	Result	Opponent
1	White	Loss	Kusajima Masato	2235.98
2	White	Loss	Miyamoto Syunju	2204.84
4	White	Loss	Kusajima Masato	2235.98
5	White	Loss	Miyamoto Syunju	2204.84
35 Kanto Championship
Date	2018-07-16		Rating	2059.98
Round	Color	Result	Opponent
1	Black	Loss	Nakayama Tomoharu	2758.96
56 Meijinsen Qualification Kanto area 1st round
Date	2018-05-13		Rating	2062.16
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2381.02
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-01		Rating	2070.70
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2648.48
2	Black	Win	Koyama Akihiro	1915.25
3	White	Loss	Ishitani Shin-ichi	2333.27
4	White	Loss	Maruta Hiroki	2086.96
34 Kanto Championship
Date	2017-07-16		Rating	2078.71
Round	Color	Result	Opponent
1	White	Win	Matsumoto Hiro	1696.53
2	Black	Loss	Ishitani Shin-ichi	2332.08
3	White	Loss	Ishima Ryoma	2098.78
12th All Japan Championship
Date	2017-03-26		Rating	2091.67
Round	Color	Result	Opponent
1	White	Draw	Iio Yoshihiro	2475.04
2	White	Loss	Tachi Masaya	2470.63
3	Black	Draw	Nishida Toshio	2034.45
4	Black	Loss	Ono Takayuki	2304.35
5	White	Win	Sakamoto Hirouji	2215.84
6	White	Loss	Fujita Yudai	2417.29
17 Kanto Renju Emperor Tournament 2nd round
Date	2016-12-10		Rating	2099.78
Round	Color	Result	Opponent
1	Black	Loss	Nakayama Tomoharu	2714.98
2	White	Loss	Okabe Hiroshi	2646.06
3	Black	Loss	Sato Kiyotomi	2428.53
4	White	Loss	Ishitani Shin-ichi	2335.51
5	White	Loss	Nakamura Shigeru	2881.98
17 Kanto Renju Emperor Tournament 1st round
Date	2016-11-23		Rating	2101.60
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2645.24
2	Black	Win	Demachi Koichiro	1882.64
3	White	Loss	Sato Kiyotomi	2429.50
4	White	Win	Maruta Hiroki	2065.41
ex1	Black	Loss	Iwano Fumio	2205.96
33 Kanto Championship
Date	2016-07-31		Rating	2112.75
Round	Color	Result	Opponent
1	White	Win	Cho Enkun	1623.28
2	Black	Loss	Okabe Hiroshi	2651.54
3	White	Win	Kato Yasuhiro	1993.27
54 Meijinsen Qualification Kanto area 1st round
Date	2016-05-22		Rating	2117.73
Round	Color	Result	Opponent
2	Black	Loss	Sato Kiyotomi	2443.80
3	White	Win	Iwano Fumio	2187.06
4	Black	Loss	Mitsumori Masao	2285.71
11th All Japan Championship
Date	2016-01-11		Rating	2125.25
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2648.66
2	Black	Draw	Chigira Makoto	1983.67
3	White	Loss	Fujita Yudai	2383.34
5	White	Win	Kato Yasuhiro	1991.55
6	White	Win	Suzuki Rin	1895.37
Kanto Championship
Date	2015-07-20		Rating	2133.90
Round	Color	Result	Opponent
1	White	Loss	Nakayama Tomoharu	2688.62
4	White	Win	Hashimoto Takuya	1968.81
5	Black	Win	Kato Yasuhiro	2004.50
6	White	Win	Fujikawa Masaki	2049.27
10th All Japan Championship
Date	2015-03-29		Rating	2131.59
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2604.11
2	White	Win	Fujikawa Masaki	2039.38
31th Kanto Championship
Date	2014-05-11		Rating	2117.62
Round	Color	Result	Opponent
2	White	Loss	Tamura Kazumasa	2455.67
3	White	Loss	Tomobe Katsuhiro	2067.93
4	White	Win	Maruta Hiroki	2052.03
11th Middle-dan players Tournament
Date	2013-08-17		Rating	2111.79
Round	Color	Result	Opponent
1	White	Loss	Kashihara Akihiko	2272.09
2	Black	Loss	Kato Yasuhiro	2068.11
3	White	Win	Maruta Hiroki	2076.30
4	White	Win	Kubo Izumi	2035.02
5	Black	Win	Miyagawa Junzo	2158.36
6	White	Loss	Nakayama Tomoharu	2587.49
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2108.14
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2336.54
29th Kanto Championship
Date	2013-05-12		Rating	2106.63
Round	Color	Result	Opponent
3	Black	Loss	Suzuki Rin	1987.77
4	White	Win	Nakamura Souta	2053.73
5	White	Win	Tada Ayako	2235.07
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2091.29
Round	Color	Result	Opponent
1	White	Win	Higuchi Fumiya	1574.94
2	Black	Win	Mitsumori Masao	2288.39
3	White	Loss	Tada Ayako	2244.97
4	White	Loss	Ishitani Shin-ichi	2307.19
50 Meijinsen Qualification East-Japan area 1st round
Date	2012-06-03		Rating	2077.71
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2302.04
2	White	Loss	Iwano Fumio	2089.11
3	White	Loss	Ono Takayuki	2361.31
4	Black	Win	Maruta Hiroki	2045.39
4th Tohoku Championship
Date	2012-04-08		Rating	2073.98
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2804.95
2	White	Win	Maruta Hiroki	2040.15
3	White	Loss	Kobayashi Koichi	2163.13
4	White	Loss	Kusajima Masato	2133.59
5	White	Win	Hirono Masakazu	1969.53
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2062.78
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2400.60
49 Meijinsen Qualification East-Japan area 1st round
Date	2011-06-12		Rating	2055.15
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2384.65
28th Kanto Championship
Date	2011-05-22		Rating	2054.15
Round	Color	Result	Opponent
1	White	Loss	Nakayama Tomoharu	2487.72
2	White	Loss	Arai Kazumi	2311.15
3	White	Loss	Suzuki Rin	1947.77
4	White	Win	Maruta Hiroki	2061.05
5	White	Loss	Fujikawa Masaki	2034.03
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2058.49
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2019.32
2	White	Loss	Okabe Hiroshi	2616.46
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2057.39
Round	Color	Result	Opponent
1	White	Loss	Fukui Nobuhiro	2264.52
2	White	Win	Arai Kazumi	2270.60
3	White	Loss	Kudomi Takahiro	2322.23
4	Black	Loss	Tada Ayako	2175.26
27th Kanto Championship
Date	2010-05-23		Rating	2057.03
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2768.58
2	White	Loss	Tomobe Katsuhiro	2154.50
5th All Japan Championship
Date	2010-03-21		Rating	2058.14
Round	Color	Result	Opponent
4	Black	Win	Kusajima Masato	2116.93
26th Kanto Championship
Date	2009-05-17		Rating	2050.23
Round	Color	Result	Opponent
4	Black	Win	Matsuoka Teruo	1911.89
4th All Japan Championship
Date	2009-03-21		Rating	2047.46
Round	Color	Result	Opponent
4	White	Win	Suzuki Rin	1919.69
5	Black	Loss	Tanizaki Ryusuke	2046.13
6	Black	Loss	Nagao Noriaki	2289.42
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2036.74
Round	Color	Result	Opponent
4	White	Loss	Nakayama Tomoharu	2272.14
36 Suiseisen Tournament 1st round
Date	1996-03-01		Rating	2013.40
Round	Color	Result	Opponent
4	White	Win	Tanuma Akira	1814.46