Maruta Koji, Japan - Renju Rating

Maruta Koji (丸田光治)

Place: Tokyo, Japan

Rating: 2052.28, Std: 101.79, Rank: 616

First game: 1996-03-01, Last game: 2023-11-19

Top rating: 2207.62 (2003-11-16)

Games: 239, Wins: 93, Draws: 8, Losses: 138

Gy1: 6, Gy2: 19, Gy5: 56

24 Kanto Renju Emperor Tournament Kanto area 1st round
Date 2023-11-19 Rating 2052.28
Round Color Result Opponent
3 White Loss Tanaka Shotaro 2258.90
4 Black Loss Yoshikawa Tomoki 2033.61
40 Kanto Championship
Date 2023-07-09 Rating 2059.79
Round Color Result Opponent
1 Black Loss Tanaka Shotaro 2264.08
4 White Win Suzuki Yoshitaka 1905.00
17th All Japan Championship
Date 2023-03-19 Rating 2065.66
Round Color Result Opponent
5 White Loss Matsuda Shoma 2281.59
6 White Loss Takazawa Nagayoshi 2246.60
23 Kanto Renju Emperor Tournament 2nd round
Date 2023-01-29 Rating 2069.99
Round Color Result Opponent
1 Black Loss Kamiya Shunsuke 2819.77
2 White Loss Fujita Maiko 2364.06
3 White Loss Yokoyama Shota 2414.62
4 White Loss Inoue Fumiya 2472.12
5 White Loss Okabe Hiroshi 2650.68
23 Renju Emperor Tournament Kanto area 1st round
Date 2022-11-06 Rating 2080.00
Round Color Result Opponent
2 White Win Kasahara Reiko 1651.47
3 White Win Tomobe Katsuhiro 2049.62
4 Black Win Tanaka Shotaro 2269.40
39 Kanto Championship
Date 2022-07-31 Rating 2082.34
Round Color Result Opponent
2 White Win Li Haoyang 1931.12
3 White Loss Ishitani Shin-ichi 2310.82
Special Tournament
Date 2022-04-10 Rating 2084.32
Round Color Result Opponent
1 White Loss Fujita Maiko 2357.16
2 White Loss Inoue Fumiya 2459.32
3 White Win Maruta Hiroki 2168.39
38 Kanto Championship
Date 2021-08-08 Rating 2082.42
Round Color Result Opponent
1 White Loss Inoue Fumiya 2452.68
2 White Win Kobayashi Nanako 1975.18
3 White Win Fujita Maiko 2316.17
16th All Japan Championship
Date 2021-03-28 Rating 2071.14
Round Color Result Opponent
1 White Loss Makino Mitsunori 2514.37
2 White Loss Ishitani Shin-ichi 2314.66
3 White Loss Yoshimoto Yuta 2200.68
4 White Loss Kawaai Hitoshi 1980.64
5 White Loss Suenaga Daiki 2232.38
6 Black Win Maruta Hiroki 2187.29
24th New Year(Mikami)Cup
Date 2021-01-29 Rating 2069.84
Round Color Result Opponent
S1 Black Win Maruta Hiroki 2186.35
S2 White Loss Makino Mitsunori 2507.52
S3 White Loss Okabe Hiroshi 2686.17
S4 Black Loss Ono Takayuki 2354.05
S5 White Loss Ishitani Shin-ichi 2326.43
21 Renju Emperor Tournament Kanto area 1st round
Date 2020-11-15 Rating 2067.00
Round Color Result Opponent
1 White Loss Kawaai Hitoshi 1980.59
2 White Loss Suenaga Daiki 2235.77
3 White Loss Shimura Hiroki 1974.71
4 White Win Kasahara Reiko 1662.65
37 Kanto Championship
Date 2020-08-10 Rating 2073.68
Round Color Result Opponent
3 White Win Okada Akihiro 1882.06
5 Black Loss Kato Yasuhiro 2058.70
6 Black Win Shimura Hiroki 1951.67
58 Meijinsen Qualification Kanto area 1st round
Date 2020-06-21 Rating 2076.91
Round Color Result Opponent
1 White Loss Fujita Maiko 2326.51
2 White Win Ito Midori 1733.80
20 Renju Emperor Tournament Kanto area 1st round
Date 2019-11-10 Rating 2092.53
Round Color Result Opponent
2 White Win Shibata Satoru 1781.95
3 White Loss Ishitani Shin-ichi 2341.94
4 White Win Tomobe Katsuhiro 2096.73
36 Kanto Championship
Date 2019-07-28 Rating 2096.29
Round Color Result Opponent
5 White Win Shibata Satoru 1779.35
6 White Loss Miyamoto Syunju 2242.73
57 Meijinsen Qualification East Japan area 2nd round
Date 2019-06-23 Rating 2097.97
Round Color Result Opponent
1 White Loss Kusajima Masato 2220.05
2 White Loss Koyama Jun 2563.58
3 Black Win Maruta Hiroki 2151.37
4 White Loss Ono Takayuki 2360.18
5 White Draw Inoue Fumiya 2387.16
57 Meijinsen Qualification Kanto area 1st round
Date 2019-05-12 Rating 2098.92
Round Color Result Opponent
1 White Win Inoue Fumiya 2387.18
2 White Win Maruta Hiroki 2152.32
3 White Loss Ono Takayuki 2361.88
4 Black Loss Mitsumori Masao 2285.29
13 Middle-dan Players Tournament
Date 2018-08-12 Rating 2085.21
Round Color Result Opponent
1 White Loss Kusajima Masato 2257.71
2 White Loss Miyamoto Syunju 2225.60
4 White Loss Kusajima Masato 2257.71
5 White Loss Miyamoto Syunju 2225.60
35 Kanto Championship
Date 2018-07-16 Rating 2086.18
Round Color Result Opponent
1 Black Loss Nakayama Tomoharu 2789.85
56 Meijinsen Qualification Kanto area 1st round
Date 2018-05-13 Rating 2088.55
Round Color Result Opponent
1 White Loss Sato Kiyotomi 2410.35
18 Kanto Renju Emperor Tournament 1st round
Date 2017-11-01 Rating 2097.64
Round Color Result Opponent
1 White Loss Okabe Hiroshi 2679.74
2 Black Win Koyama Akihiro 1937.28
3 White Loss Ishitani Shin-ichi 2362.28
4 White Loss Maruta Hiroki 2112.96
34 Kanto Championship
Date 2017-07-16 Rating 2106.00
Round Color Result Opponent
1 White Win Matsumoto Hiro 1711.84
2 Black Loss Ishitani Shin-ichi 2361.35
3 White Loss Ishima Ryoma 2121.24
12th All Japan Championship
Date 2017-03-26 Rating 2119.41
Round Color Result Opponent
1 White Draw Iio Yoshihiro 2506.71
2 White Loss Tachi Masaya 2502.61
3 Black Draw Nishida Toshio 2064.05
4 Black Loss Ono Takayuki 2334.01
5 White Win Sakamoto Suzan 2245.45
6 White Loss Fujita Yudai 2446.40
17 Kanto Renju Emperor Tournament 2nd round
Date 2016-12-10 Rating 2127.85
Round Color Result Opponent
1 Black Loss Nakayama Tomoharu 2746.36
2 White Loss Okabe Hiroshi 2677.30
3 Black Loss Sato Kiyotomi 2458.71
4 White Loss Ishitani Shin-ichi 2365.51
5 White Loss Nakamura Shigeru 2913.49
17 Kanto Renju Emperor Tournament 1st round
Date 2016-11-23 Rating 2129.72
Round Color Result Opponent
1 White Loss Okabe Hiroshi 2676.49
2 Black Win Demachi Koichiro 1907.56
3 White Loss Sato Kiyotomi 2459.74
4 White Win Maruta Hiroki 2091.95
ex1 Black Loss Iwano Fumio 2233.25
33 Kanto Championship
Date 2016-07-31 Rating 2141.23
Round Color Result Opponent
1 White Win Cho Enkun 1638.28
2 Black Loss Okabe Hiroshi 2682.96
3 White Win Kato Yasuhiro 2027.37
54 Meijinsen Qualification Kanto area 1st round
Date 2016-05-22 Rating 2146.41
Round Color Result Opponent
2 Black Loss Sato Kiyotomi 2474.63
3 White Win Iwano Fumio 2214.80
4 Black Loss Mitsumori Masao 2315.51
11th All Japan Championship
Date 2016-01-11 Rating 2154.30
Round Color Result Opponent
1 Black Loss Kamiya Shunsuke 2680.51
2 Black Draw Chigira Makoto 2008.30
3 White Loss Fujita Yudai 2411.81
5 White Win Kato Yasuhiro 2024.14
6 White Win Suzuki Rin 1923.83
Kanto Championship
Date 2015-07-20 Rating 2163.45
Round Color Result Opponent
1 White Loss Nakayama Tomoharu 2720.92
4 White Win Hashimoto Takuya 1992.88
5 Black Win Kato Yasuhiro 2036.31
6 White Win Fujikawa Masaki 2077.45
10th All Japan Championship
Date 2015-03-29 Rating 2161.50
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2636.12
2 White Win Fujikawa Masaki 2068.04
31th Kanto Championship
Date 2014-05-11 Rating 2148.60
Round Color Result Opponent
2 White Loss Tamura Kazumasa 2492.42
3 White Loss Tomobe Katsuhiro 2096.29
4 White Win Maruta Hiroki 2081.65
11th Middle-dan players Tournament
Date 2013-08-17 Rating 2143.69
Round Color Result Opponent
1 White Loss Kashihara Akihiko 2306.04
2 Black Loss Kato Yasuhiro 2099.73
3 White Win Maruta Hiroki 2106.64
4 White Win Kubo Izumi 2069.54
5 Black Win Miyagawa Junzo 2192.87
6 White Loss Nakayama Tomoharu 2622.19
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2140.21
Round Color Result Opponent
1 White Loss Isobe Taizan 2370.40
29th Kanto Championship
Date 2013-05-12 Rating 2138.80
Round Color Result Opponent
3 Black Loss Suzuki Rin 2016.40
4 White Win Nakamura Souta 2081.72
5 White Win Tada Ayako 2263.66
13 Kanto Renju Emperor Tournament 1st round
Date 2012-10-21 Rating 2124.24
Round Color Result Opponent
1 White Win Higuchi Fumiya 1586.47
2 Black Win Mitsumori Masao 2318.86
3 White Loss Tada Ayako 2272.23
4 White Loss Ishitani Shin-ichi 2343.25
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2111.32
Round Color Result Opponent
1 White Loss Mitsumori Masao 2331.91
2 White Loss Iwano Fumio 2119.41
3 White Loss Ono Takayuki 2395.56
4 Black Win Maruta Hiroki 2075.79
4th Tohoku Championship
Date 2012-04-08 Rating 2107.90
Round Color Result Opponent
1 Black Loss Nakamura Shigeru 2848.39
2 White Win Maruta Hiroki 2070.48
3 White Loss Kobayashi Koichi 2194.48
4 White Loss Kusajima Masato 2174.34
5 White Win Hirono Masakazu 1974.24
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2098.10
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2421.69
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2091.67
Round Color Result Opponent
1 White Loss Kamiya Shunsuke 2402.35
28th Kanto Championship
Date 2011-05-22 Rating 2090.88
Round Color Result Opponent
1 White Loss Nakayama Tomoharu 2521.24
2 White Loss Arai Kazumi 2343.00
3 White Loss Suzuki Rin 1974.60
4 White Win Maruta Hiroki 2089.06
5 White Loss Fujikawa Masaki 2074.10
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2097.64
Round Color Result Opponent
1 Black Win Kato Yasuhiro 2052.81
2 White Loss Okabe Hiroshi 2670.31
Meijinsen Qualification East-Japan area 1st round
Date 2010-06-27 Rating 2098.09
Round Color Result Opponent
1 White Loss Fukui Nobuhiro 2316.79
2 White Win Arai Kazumi 2303.26
3 White Loss Kudomi Takahiro 2373.77
4 Black Loss Tada Ayako 2172.96
27th Kanto Championship
Date 2010-05-23 Rating 2098.27
Round Color Result Opponent
1 Black Loss Nakamura Shigeru 2832.95
2 White Loss Tomobe Katsuhiro 2180.16
5th All Japan Championship
Date 2010-03-21 Rating 2100.46
Round Color Result Opponent
4 Black Win Kusajima Masato 2167.73
10 Kanto Renju Emperor Tournament 1st round
Date 2009-10-04 Rating 2098.86
Round Color Result Opponent
1 White Loss Tanji Hiroki 2033.75
2 White Loss Tomobe Katsuhiro 2137.86
3 White Win Tanizaki Ryusuke 2095.87
4 Black Win Fujikawa Masaki 2043.21
26th Kanto Championship
Date 2009-05-17 Rating 2098.79
Round Color Result Opponent
4 Black Win Matsuoka Teruo 1903.88
5 Black Win Kato Yasuhiro 2014.73
4th All Japan Championship
Date 2009-03-21 Rating 2096.11
Round Color Result Opponent
4 White Win Suzuki Rin 1946.95
5 Black Loss Tanizaki Ryusuke 2112.15
6 Black Loss Nagao Noriaki 2266.62
9th Kanto Renju Emperor Tournament, 1st round
Date 2008-10-26 Rating 2094.15
Round Color Result Opponent
1 Black Draw Tamada Yoichi 2258.92
2 Black Win Tada Ayako 2024.72
3 Black Loss Ono Takayuki 2385.81
4 White Loss Nakayama Tomoharu 2283.10
25th Kanto Championship
Date 2008-05-18 Rating 2089.45
Round Color Result Opponent
3 White Win Tanizaki Ryusuke 2111.39
4 Black Win Kobayashi Koichi 2091.40
5 Black Loss Kudomi Takahiro 2323.80
3rd All Japan Championship
Date 2008-03-23 Rating 2084.37
Round Color Result Opponent
1 White Loss Yamaguchi Yusui 2591.28
2 Black Loss Kato Yasuhiro 1982.21
3 White Loss Tadokoro Hosai 1918.13
4 Black Loss Fujikawa Masaki 2092.60
5 White Loss Nakayama Tomoharu 2237.01
6 Black Draw Tanizaki Ryusuke 2112.33
8 Kanto Renju Emperor Tournament 1st round
Date 2007-10-21 Rating 2095.10
Round Color Result Opponent
1 White Win Takeuchi Shunsuke 1933.41
2 White Win Yamashita Daisuke 1901.03
3 White Loss Ishitani Shin-ichi 2379.37
4 White Loss Nakayama Tomoharu 2215.62
5 Black Win Matsuoka Teruo 1871.30
45th Meijinsen Qualification East-Japan area 1st round
Date 2007-06-17 Rating 2101.55
Round Color Result Opponent
1 Black Win Tanizaki Ryusuke 2125.01
2 Black Loss Isobe Taizan 2415.40
3 White Loss Iwano Fumio 2147.80
4 White Win Hara Masao 2046.89
7th Kanto Renju Emperor Tournament - 1st round
Date 2006-10-15 Rating 2107.17
Round Color Result Opponent
1 Black Win Matsuoka Teruo 1857.14
2 White Loss Maruta Hiroki 2002.90
3 Black Win Fujikawa Masaki 2054.70
4 Black Loss Hara Masao 2076.46
5 Black Win Tanizaki Ryusuke 2117.22
Meijin-sen Qual, East Japan area 1st round
Date 2006-06-18 Rating 2110.43
Round Color Result Opponent
1 White Loss Koyama Jun 2326.61
2 Black Loss Arita Nobuyoshi 2348.52
3 White Loss Ono Takayuki 2296.49
4 Black Loss Hara Masao 2071.97
23rd Kanto Championship
Date 2006-05-21 Rating 2113.77
Round Color Result Opponent
1 White Win Iwano Fumio 2091.86
2 Black Loss Mitsumori Masao 2251.34
3 Black Win Tadokoro Hosai 1928.99
4 Black Loss Nakamura Shigeru 2821.54
5 White Loss Hara Masao 2071.86
1st All Japan Championship
Date 2006-03-26 Rating 2121.12
Round Color Result Opponent
4 White Win Tadokoro Hosai 1926.72
5 Black Win Kato Yasuhiro 2038.75
6 White Win Tomobe Katsuhiro 2078.75
6th Kanto Renju Emperor Tournament - 1st round
Date 2005-10-22 Rating 2129.19
Round Color Result Opponent
1 Black Win Iwano Fumio 2071.46
2 White Loss Itami Yoshiyuki 2172.64
3 Black Loss Tomobe Katsuhiro 2070.99
4 White Loss Arita Nobuyoshi 2328.92
43rd Meijinsen Qualification: East Japan 1st round
Date 2005-06-12 Rating 2144.33
Round Color Result Opponent
1 White Loss Koyama Jun 2275.33
2 White Win Tanno Yoshitaka 2093.56
3 White Loss Nagao Noriaki 2226.63
4 Black Loss Itami Yoshiyuki 2177.65
22nd Kanto Championship
Date 2005-05-22 Rating 2147.88
Round Color Result Opponent
1 White Win Ishizaki Masatoshi 1915.08
2 Black Loss Kawamura Norihiko 2667.73
3 Black Win Sasaki Miyu 1957.57
4 White Win Koyama Jun 2272.96
5 White Loss Ishitani Shin-ichi 2382.69
Japan WC Qualification tournament
Date 2005-04-03 Rating 2152.96
Round Color Result Opponent
4 White Win Tanizaki Ryusuke 2074.20
5 Black Win Kato Yasuhiro 2021.26
6 White Loss Kubo Izumi 2158.02
5th Kanto Renju Emperor Tournament - 1st round
Date 2004-11-28 Rating 2164.03
Round Color Result Opponent
1 Black Loss Sato Koichi 1994.07
2 White Win Sasaki Miyu 1951.68
3 Black Win Maruta Hiroki 1959.29
4 White Win Matsuoka Teruo 1877.44
42nd Meijinsen Qualification: East Japan 1st round
Date 2004-06-13 Rating 2180.07
Round Color Result Opponent
4 Black Loss Sano Hiroyuki 2160.59
4th Kanto Renju Emperor Tournament - 2nd round
Date 2003-11-30 Rating 2206.48
Round Color Result Opponent
White Win Nagao Noriaki 2273.08
White Win Mitsumori Masao 2264.85
Black Loss Isobe Taizan 2416.38
Black Loss Yamaguchi Yusui 2576.53
Black Loss Okabe Hiroshi 2538.35
4th Kanto Renju Emperor Tournament - 1st round
Date 2003-11-16 Rating 2207.62
Round Color Result Opponent
1 Black Win Yamauchi Yasuhiro 1804.06
2 White Win Nagao Noriaki 2275.81
3 White Draw Yamaguchi Yusui 2575.28
4 White Win Kubo Izumi 2201.90
41th Meijinsen Qualification: East Japan 1st round
Date 2003-06-08 Rating 2202.02
Round Color Result Opponent
1 White Loss Sano Hiroyuki 2193.20
2 White Win Mitsumori Masao 2285.76
3 White Loss Sato Kiyotomi 2303.48
4 Black Draw Kubo Izumi 2207.93
40th Meijinsen Qualification: East Japan 1st round
Date 2002-06-02 Rating 2195.84
Round Color Result Opponent
1 White Loss Isobe Taizan 2435.80
2 Black Loss Kato Yasuhiro 2076.31
3 White Win Ohno Syunzo 2005.34
4 Black Win Sato Takuma 2086.69
38th Meijinsen Qualification: East Japan 1st round
Date 2000-06-04 Rating 2198.21
Round Color Result Opponent
1 Black Win Sunagawa Shouki 2203.16
2 White Win Mitsumori Masao 2293.61
3 White Loss Kudomi Takahiro 2346.91
4 White Loss Isobe Taizan 2442.43
Kanto Championship
Date 2000-05-14 Rating 2197.27
Round Color Result Opponent
1 White Loss Nakamura Shigeru 2749.02
2 White Loss Hara Masao 2116.09
3 Black Win Tadokoro Hosai 1972.25
4 Black Win Kato Yasuhiro 2045.37
36 Suiseisen Tournament 1st round
Date 1996-03-01 Rating 2145.28
Round Color Result Opponent
4 White Win Tanuma Akira 1846.75