Maruta Koji, Japan - Renju Rating

Maruta Koji (丸田光治)

Place: Tokyo, Japan

Rating: 2095.95, Std: 102.22, Rank: 535

First game: 1996-03-01, Last game: 2023-07-09

Top rating: 2201.99 (2003-11-16)

Games: 237, Wins: 93, Draws: 8, Losses: 136

Gy1: 9, Gy2: 17, Gy5: 54

40 Kanto Championship
Date 2023-07-09 Rating 2095.95
Round Color Result Opponent
1 Black Loss Tanaka Shotaro 2268.19
4 White Win Suzuki Yoshitaka 1917.02
17th All Japan Championship
Date 2023-03-19 Rating 2096.01
Round Color Result Opponent
5 White Loss Matsuda Shoma 2273.54
6 White Loss Takazawa Nagayoshi 2248.29
23 Kanto Renju Emperor Tournament 2nd round
Date 2023-01-29 Rating 2098.07
Round Color Result Opponent
1 Black Loss Kamiya Shunsuke 2799.82
2 White Loss Fujita Maiko 2360.36
3 White Loss Yokoyama Shota 2409.74
4 White Loss Inoue Fumiya 2473.52
5 White Loss Okabe Hiroshi 2632.60
23 Renju Emperor Tournament Kanto area 1st round
Date 2022-11-06 Rating 2104.65
Round Color Result Opponent
2 White Win Kasahara Reiko 1651.16
3 White Win Tomobe Katsuhiro 2056.96
4 Black Win Tanaka Shotaro 2269.43
39 Kanto Championship
Date 2022-07-31 Rating 2103.45
Round Color Result Opponent
2 White Win Li Haoyang 1929.48
3 White Loss Ishitani Shin-ichi 2303.08
Special Tournament
Date 2022-04-10 Rating 2101.84
Round Color Result Opponent
1 White Loss Fujita Maiko 2353.50
2 White Loss Inoue Fumiya 2457.92
3 White Win Maruta Hiroki 2156.23
38 Kanto Championship
Date 2021-08-08 Rating 2093.34
Round Color Result Opponent
1 White Loss Inoue Fumiya 2450.21
2 White Win Kobayashi Nanako 1974.30
3 White Win Fujita Maiko 2313.12
16th All Japan Championship
Date 2021-03-28 Rating 2078.85
Round Color Result Opponent
1 White Loss Makino Mitsunori 2505.53
2 White Loss Ishitani Shin-ichi 2309.79
3 White Loss Yoshimoto Yuta 2197.51
4 White Loss Kawaai Hitoshi 1975.74
5 White Loss Suenaga Daiki 2241.95
6 Black Win Maruta Hiroki 2180.78
24th New Year(Mikami)Cup
Date 2021-01-29 Rating 2076.43
Round Color Result Opponent
S1 Black Win Maruta Hiroki 2180.20
S2 White Loss Makino Mitsunori 2499.24
S3 White Loss Okabe Hiroshi 2677.63
S4 Black Loss Ono Takayuki 2347.47
S5 White Loss Ishitani Shin-ichi 2321.62
21 Renju Emperor Tournament Kanto area 1st round
Date 2020-11-15 Rating 2072.40
Round Color Result Opponent
1 White Loss Kawaai Hitoshi 1975.89
2 White Loss Suenaga Daiki 2243.22
3 White Loss Shimura Hiroki 1972.07
4 White Win Kasahara Reiko 1659.71
37 Kanto Championship
Date 2020-08-10 Rating 2077.72
Round Color Result Opponent
3 White Win Okada Akihiro 1883.06
5 Black Loss Kato Yasuhiro 2056.53
6 Black Win Shimura Hiroki 1949.09
58 Meijinsen Qualification Kanto area 1st round
Date 2020-06-21 Rating 2080.32
Round Color Result Opponent
1 White Loss Fujita Maiko 2322.65
2 White Win Ito Midori 1692.20
20 Renju Emperor Tournament Kanto area 1st round
Date 2019-11-10 Rating 2093.68
Round Color Result Opponent
2 White Win Shibata Satoru 1776.34
3 White Loss Ishitani Shin-ichi 2337.11
4 White Win Tomobe Katsuhiro 2095.68
36 Kanto Championship
Date 2019-07-28 Rating 2096.48
Round Color Result Opponent
5 White Win Shibata Satoru 1773.61
6 White Loss Miyamoto Syunju 2234.41
57 Meijinsen Qualification East Japan area 2nd round
Date 2019-06-23 Rating 2097.88
Round Color Result Opponent
1 White Loss Kusajima Masato 2211.32
2 White Loss Koyama Jun 2559.06
3 Black Win Maruta Hiroki 2146.35
4 White Loss Ono Takayuki 2354.99
5 White Draw Inoue Fumiya 2382.72
57 Meijinsen Qualification Kanto area 1st round
Date 2019-05-12 Rating 2098.57
Round Color Result Opponent
1 White Win Inoue Fumiya 2382.75
2 White Win Maruta Hiroki 2147.34
3 White Loss Ono Takayuki 2356.76
4 Black Loss Mitsumori Masao 2281.07
13 Middle-dan Players Tournament
Date 2018-08-12 Rating 2083.59
Round Color Result Opponent
1 White Loss Kusajima Masato 2250.67
2 White Loss Miyamoto Syunju 2218.97
4 White Loss Kusajima Masato 2250.67
5 White Loss Miyamoto Syunju 2218.97
35 Kanto Championship
Date 2018-07-16 Rating 2084.48
Round Color Result Opponent
1 Black Loss Nakayama Tomoharu 2785.05
56 Meijinsen Qualification Kanto area 1st round
Date 2018-05-13 Rating 2086.67
Round Color Result Opponent
1 White Loss Sato Kiyotomi 2405.78
18 Kanto Renju Emperor Tournament 1st round
Date 2017-11-01 Rating 2095.24
Round Color Result Opponent
1 White Loss Okabe Hiroshi 2675.30
2 Black Win Koyama Akihiro 1934.08
3 White Loss Ishitani Shin-ichi 2357.93
4 White Loss Maruta Hiroki 2108.75
34 Kanto Championship
Date 2017-07-16 Rating 2103.35
Round Color Result Opponent
1 White Win Matsumoto Hiro 1709.76
2 Black Loss Ishitani Shin-ichi 2357.07
3 White Loss Ishima Ryoma 2118.16
12th All Japan Championship
Date 2017-03-26 Rating 2116.52
Round Color Result Opponent
1 White Draw Iio Yoshihiro 2502.15
2 White Loss Tachi Masaya 2498.19
3 Black Draw Nishida Toshio 2059.85
4 Black Loss Ono Takayuki 2329.55
5 White Win Sakamoto Suzan 2240.84
6 White Loss Fujita Yudai 2442.36
17 Kanto Renju Emperor Tournament 2nd round
Date 2016-12-10 Rating 2124.80
Round Color Result Opponent
1 Black Loss Nakayama Tomoharu 2742.08
2 White Loss Okabe Hiroshi 2673.00
3 Black Loss Sato Kiyotomi 2454.32
4 White Loss Ishitani Shin-ichi 2361.35
5 White Loss Nakamura Shigeru 2909.04
17 Kanto Renju Emperor Tournament 1st round
Date 2016-11-23 Rating 2126.65
Round Color Result Opponent
1 White Loss Okabe Hiroshi 2672.19
2 Black Win Demachi Koichiro 1903.65
3 White Loss Sato Kiyotomi 2455.35
4 White Win Maruta Hiroki 2088.04
ex1 Black Loss Iwano Fumio 2229.20
33 Kanto Championship
Date 2016-07-31 Rating 2138.04
Round Color Result Opponent
1 White Win Cho Enkun 1636.44
2 Black Loss Okabe Hiroshi 2678.69
3 White Win Kato Yasuhiro 2023.97
54 Meijinsen Qualification Kanto area 1st round
Date 2016-05-22 Rating 2143.14
Round Color Result Opponent
2 Black Loss Sato Kiyotomi 2470.31
3 White Win Iwano Fumio 2210.80
4 Black Loss Mitsumori Masao 2311.28
11th All Japan Championship
Date 2016-01-11 Rating 2150.92
Round Color Result Opponent
1 Black Loss Kamiya Shunsuke 2676.30
2 Black Draw Chigira Makoto 2004.61
3 White Loss Fujita Yudai 2407.96
5 White Win Kato Yasuhiro 2020.56
6 White Win Suzuki Rin 1919.87
Kanto Championship
Date 2015-07-20 Rating 2159.96
Round Color Result Opponent
1 White Loss Nakayama Tomoharu 2716.76
4 White Win Hashimoto Takuya 1989.74
5 Black Win Kato Yasuhiro 2032.60
6 White Win Fujikawa Masaki 2073.86
10th All Japan Championship
Date 2015-03-29 Rating 2157.93
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2632.00
2 White Win Fujikawa Masaki 2064.39
31th Kanto Championship
Date 2014-05-11 Rating 2144.82
Round Color Result Opponent
2 White Loss Tamura Kazumasa 2488.26
3 White Loss Tomobe Katsuhiro 2092.43
4 White Win Maruta Hiroki 2077.73
11th Middle-dan players Tournament
Date 2013-08-17 Rating 2139.74
Round Color Result Opponent
1 White Loss Kashihara Akihiko 2301.43
2 Black Loss Kato Yasuhiro 2095.67
3 White Win Maruta Hiroki 2102.62
4 White Win Kubo Izumi 2065.26
5 Black Win Miyagawa Junzo 2188.55
6 White Loss Nakayama Tomoharu 2617.96
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2136.24
Round Color Result Opponent
1 White Loss Isobe Taizan 2366.18
29th Kanto Championship
Date 2013-05-12 Rating 2134.81
Round Color Result Opponent
3 Black Loss Suzuki Rin 2012.35
4 White Win Nakamura Souta 2078.02
5 White Win Tada Ayako 2259.62
13 Kanto Renju Emperor Tournament 1st round
Date 2012-10-21 Rating 2120.16
Round Color Result Opponent
1 White Win Higuchi Fumiya 1583.43
2 Black Win Mitsumori Masao 2314.59
3 White Loss Tada Ayako 2268.14
4 White Loss Ishitani Shin-ichi 2338.96
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2107.18
Round Color Result Opponent
1 White Loss Mitsumori Masao 2327.61
2 White Loss Iwano Fumio 2115.29
3 White Loss Ono Takayuki 2391.14
4 Black Win Maruta Hiroki 2071.65
4th Tohoku Championship
Date 2012-04-08 Rating 2103.74
Round Color Result Opponent
1 Black Loss Nakamura Shigeru 2844.04
2 White Win Maruta Hiroki 2066.34
3 White Loss Kobayashi Koichi 2190.21
4 White Loss Kusajima Masato 2169.41
5 White Win Hirono Masakazu 1969.85
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2093.89
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2417.26
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2087.42
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2397.90
28th Kanto Championship
Date 2011-05-22 Rating 2086.62
Round Color Result Opponent
1 White Loss Nakayama Tomoharu 2516.71
2 White Loss Arai Kazumi 2338.51
3 White Loss Suzuki Rin 1970.45
4 White Win Maruta Hiroki 2084.81
5 White Loss Fujikawa Masaki 2069.93
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2093.33
Round Color Result Opponent
1 Black Win Kato Yasuhiro 2048.53
2 White Loss Okabe Hiroshi 2665.66
Meijinsen Qualification East-Japan area 1st round
Date 2010-06-27 Rating 2093.74
Round Color Result Opponent
1 White Loss Fukui Nobuhiro 2312.45
2 White Win Arai Kazumi 2298.85
3 White Loss Kudomi Takahiro 2369.23
4 Black Loss Tada Ayako 2168.73
27th Kanto Championship
Date 2010-05-23 Rating 2093.91
Round Color Result Opponent
1 Black Loss Nakamura Shigeru 2828.14
2 White Loss Tomobe Katsuhiro 2175.92
5th All Japan Championship
Date 2010-03-21 Rating 2096.08
Round Color Result Opponent
4 Black Win Kusajima Masato 2162.44
10 Kanto Renju Emperor Tournament 1st round
Date 2009-10-04 Rating 2094.46
Round Color Result Opponent
1 White Loss Tanji Hiroki 2029.48
2 White Loss Tomobe Katsuhiro 2133.63
3 White Win Tanizaki Ryusuke 2091.61
4 Black Win Fujikawa Masaki 2038.94
26th Kanto Championship
Date 2009-05-17 Rating 2094.35
Round Color Result Opponent
4 Black Win Matsuoka Teruo 1899.65
5 Black Win Kato Yasuhiro 2010.44
4th All Japan Championship
Date 2009-03-21 Rating 2091.66
Round Color Result Opponent
4 White Win Suzuki Rin 1942.86
5 Black Loss Tanizaki Ryusuke 2107.82
6 Black Loss Nagao Noriaki 2261.95
9th Kanto Renju Emperor Tournament, 1st round
Date 2008-10-26 Rating 2089.65
Round Color Result Opponent
1 Black Draw Tamada Yoichi 2254.19
2 Black Win Tada Ayako 2020.70
3 Black Loss Ono Takayuki 2380.89
4 White Loss Nakayama Tomoharu 2277.85
25th Kanto Championship
Date 2008-05-18 Rating 2084.91
Round Color Result Opponent
3 White Win Tanizaki Ryusuke 2106.96
4 Black Win Kobayashi Koichi 2087.01
5 Black Loss Kudomi Takahiro 2318.89
3rd All Japan Championship
Date 2008-03-23 Rating 2079.82
Round Color Result Opponent
1 White Loss Yamaguchi Yusui 2586.09
2 Black Loss Kato Yasuhiro 1977.84
3 White Loss Tadokoro Hosai 1913.75
4 Black Loss Fujikawa Masaki 2088.19
5 White Loss Nakayama Tomoharu 2231.85
6 Black Draw Tanizaki Ryusuke 2107.88
8 Kanto Renju Emperor Tournament 1st round
Date 2007-10-21 Rating 2090.51
Round Color Result Opponent
1 White Win Takeuchi Shunsuke 1929.77
2 White Win Yamashita Daisuke 1898.04
3 White Loss Ishitani Shin-ichi 2374.04
4 White Loss Nakayama Tomoharu 2210.59
5 Black Win Matsuoka Teruo 1867.05
45th Meijinsen Qualification East-Japan area 1st round
Date 2007-06-17 Rating 2096.90
Round Color Result Opponent
1 Black Win Tanizaki Ryusuke 2120.48
2 Black Loss Isobe Taizan 2410.46
3 White Loss Iwano Fumio 2143.27
4 White Win Hara Masao 2042.29
7th Kanto Renju Emperor Tournament - 1st round
Date 2006-10-15 Rating 2102.43
Round Color Result Opponent
1 Black Win Matsuoka Teruo 1852.91
2 White Loss Maruta Hiroki 1998.52
3 Black Win Fujikawa Masaki 2050.31
4 Black Loss Hara Masao 2071.81
5 Black Win Tanizaki Ryusuke 2112.64
Meijin-sen Qual, East Japan area 1st round
Date 2006-06-18 Rating 2105.62
Round Color Result Opponent
1 White Loss Koyama Jun 2321.73
2 Black Loss Arita Nobuyoshi 2343.50
3 White Loss Ono Takayuki 2291.40
4 Black Loss Hara Masao 2067.29
23rd Kanto Championship
Date 2006-05-21 Rating 2108.94
Round Color Result Opponent
1 White Win Iwano Fumio 2087.27
2 Black Loss Mitsumori Masao 2246.34
3 Black Win Tadokoro Hosai 1924.51
4 Black Loss Nakamura Shigeru 2814.67
5 White Loss Hara Masao 2067.17
1st All Japan Championship
Date 2006-03-26 Rating 2116.27
Round Color Result Opponent
4 White Win Tadokoro Hosai 1922.22
5 Black Win Kato Yasuhiro 2034.17
6 White Win Tomobe Katsuhiro 2074.25
6th Kanto Renju Emperor Tournament - 1st round
Date 2005-10-22 Rating 2124.23
Round Color Result Opponent
1 Black Win Iwano Fumio 2066.91
2 White Loss Itami Yoshiyuki 2167.77
3 Black Loss Tomobe Katsuhiro 2066.50
4 White Loss Arita Nobuyoshi 2323.86
43rd Meijinsen Qualification: East Japan 1st round
Date 2005-06-12 Rating 2139.28
Round Color Result Opponent
1 White Loss Koyama Jun 2270.43
2 White Win Tanno Yoshitaka 2088.84
3 White Loss Nagao Noriaki 2221.25
4 Black Loss Itami Yoshiyuki 2172.76
22nd Kanto Championship
Date 2005-05-22 Rating 2142.81
Round Color Result Opponent
1 White Win Ishizaki Masatoshi 1910.97
2 Black Loss Kawamura Norihiko 2660.69
3 Black Win Sasaki Miyu 1953.24
4 White Win Koyama Jun 2268.07
5 White Loss Ishitani Shin-ichi 2376.64
Japan WC Qualification tournament
Date 2005-04-03 Rating 2147.85
Round Color Result Opponent
4 White Win Tanizaki Ryusuke 2069.68
5 Black Win Kato Yasuhiro 2016.63
6 White Loss Kubo Izumi 2152.42
5th Kanto Renju Emperor Tournament - 1st round
Date 2004-11-28 Rating 2158.81
Round Color Result Opponent
1 Black Loss Sato Koichi 1989.42
2 White Win Sasaki Miyu 1947.41
3 Black Win Maruta Hiroki 1955.14
4 White Win Matsuoka Teruo 1873.29
42nd Meijinsen Qualification: East Japan 1st round
Date 2004-06-13 Rating 2174.66
Round Color Result Opponent
4 Black Loss Sano Hiroyuki 2154.97
4th Kanto Renju Emperor Tournament - 2nd round
Date 2003-11-30 Rating 2200.85
Round Color Result Opponent
White Win Nagao Noriaki 2266.74
White Win Mitsumori Masao 2258.59
Black Loss Isobe Taizan 2409.64
Black Loss Yamaguchi Yusui 2569.22
Black Loss Okabe Hiroshi 2531.38
4th Kanto Renju Emperor Tournament - 1st round
Date 2003-11-16 Rating 2201.99
Round Color Result Opponent
1 Black Win Yamauchi Yasuhiro 1801.92
2 White Win Nagao Noriaki 2269.44
3 White Draw Yamaguchi Yusui 2567.93
4 White Win Kubo Izumi 2195.69
41th Meijinsen Qualification: East Japan 1st round
Date 2003-06-08 Rating 2196.28
Round Color Result Opponent
1 White Loss Sano Hiroyuki 2187.72
2 White Win Mitsumori Masao 2279.12
3 White Loss Sato Kiyotomi 2298.02
4 Black Draw Kubo Izumi 2201.58
40th Meijinsen Qualification: East Japan 1st round
Date 2002-06-02 Rating 2189.89
Round Color Result Opponent
1 White Loss Isobe Taizan 2427.07
2 Black Loss Kato Yasuhiro 2071.42
3 White Win Ohno Syunzo 1999.60
4 Black Win Sato Takuma 2081.76
38th Meijinsen Qualification: East Japan 1st round
Date 2000-06-04 Rating 2191.85
Round Color Result Opponent
1 Black Win Sunagawa Shouki 2193.73
2 White Win Mitsumori Masao 2282.84
3 White Loss Kudomi Takahiro 2335.85
4 White Loss Isobe Taizan 2430.23
Kanto Championship
Date 2000-05-14 Rating 2190.93
Round Color Result Opponent
1 White Loss Nakamura Shigeru 2737.16
2 White Loss Hara Masao 2109.88
3 Black Win Tadokoro Hosai 1966.70
4 Black Win Kato Yasuhiro 2040.54
36 Suiseisen Tournament 1st round
Date 1996-03-01 Rating 2140.31
Round Color Result Opponent
4 White Win Tanuma Akira 1845.71