JPN Demachi Koichiro

Place: Tokyo, Japan

Rating: 1866.32, Rank: 599

First game: 2013-04-13, Last game: 2019-01-20

Top rating: 1899.24 (2013-04-13)

Games: 74, Wins: 20, Draws: 1, Losses: 53

Gy1: 0, Gy2: 9, Gy5: 54

22 New Year (Mikami) Cup
Date 2019-01-20 Rating 1866.32
Round Color Result Opponent
1 Black Loss JPN Takazawa Nagayoshi 2055.39
2 White Loss JPN Kato Daisuke 1837.90
3 White Win JPN Fujita Maiko 2198.75
4 Black Loss JPN Fujikawa Masaki 2051.74
5 Black Loss JPN Inoue Fumiya 2320.23
19 Renju Emperor Tournament Kanto area 1st round
Date 2018-10-21 Rating 1867.98
Round Color Result Opponent
1 White Loss JPN Koyama Jun 2489.43
2 Black Loss JPN Inoue Fumiya 2316.99
3 Black Win JPN Tsushima Takato 1619.58
4 Black Win JPN Ito Midori 1692.39
10th Tohoku Championship
Date 2018-09-09 Rating 1867.62
Round Color Result Opponent
1 White Loss JPN Miyamoto Syunju 2201.79
3 White Loss JPN Okabe Hiroshi 2613.39
4 White Loss JPN Kusajima Masato 2228.56
5 White Loss JPN Hirono Masakazu 2017.87
35 Kanto Shineisen Tournament
Date 2018-04-30 Rating 1871.85
Round Color Result Opponent
1 Black Win JPN Yambe Manami 1730.72
2 White Win JPN Fujikawa Masaki 2028.67
3 White Loss JPN Iwano Fumio 2180.80
4 Black Loss JPN Takagi Tomoyuki 2067.69
5 White Loss JPN Fujita Maiko 2158.90
57 Suiseisen Tournament 1st round
Date 2017-10-31 Rating 1871.36
Round Color Result Opponent
1 Black Loss JPN Koyama Akihiro 1908.31
2 Black Loss JPN Takagi Tomoyuki 2072.38
3 Black Loss JPN Nishizawa Aoi 2092.65
3 White Win JPN Morita Yutaka 1675.88
34 Kanto Shineisen Tournament
Date 2017-04-09 Rating 1880.85
Round Color Result Opponent
1 White Loss JPN Fujikawa Masaki 2021.46
2 White Loss JPN Takagi Tomoyuki 2077.19
3 Black Win JPN Koyama Akihiro 1893.42
3 Black Win JPN Tomosue Takahito 1505.98
5 Black Loss JPN Nakamura Souta 2196.01
20 New Year (Mikami) Cup
Date 2017-01-22 Rating 1884.82
Round Color Result Opponent
A1 White Win JPN Tomobe Katsuhiro 2081.39
A2 White Win JPN Maruta Hiroki 2054.82
A3 White Loss JPN Iwano Fumio 2195.76
A4 Black Win JPN Tomobe Katsuhiro 2081.39
A5 White Loss JPN Maruta Hiroki 2054.82
A6 Black Loss JPN Iwano Fumio 2195.76
56 Suiseisen Tournament final round
Date 2016-10-09 Rating 1877.13
Round Color Result Opponent
1 White Loss JPN Maruta Hiroki 2064.05
2 Black Loss JPN Iwano Fumio 2190.61
3 White Loss JPN Fujikawa Masaki 2034.96
56 Suiseisen Tournament 1st round
Date 2016-09-11 Rating 1876.50
Round Color Result Opponent
1 Black Loss JPN Maruta Hiroki 2065.71
2 Black Win JPN Yunoki Takahiro 1750.33
3 Black Loss JPN Iwano Fumio 2187.66
33 Kanto Shineisen Tournament
Date 2016-04-10 Rating 1873.82
Round Color Result Opponent
1 Black Loss JPN Maruta Hiroki 2054.38
2 White Loss JPN Nakamura Souta 2216.48
3 White Win JPN Nishizawa Aoi 2050.34
4 Black Loss JPN Tanizaki Ryusuke 2133.39
5 White Loss JPN Tomobe Katsuhiro 2074.25
19 Mikami Cup
Date 2016-03-13 Rating 1873.49
Round Color Result Opponent
A1 Black Loss JPN Tomobe Katsuhiro 2071.01
A2 Black Win JPN Maruta Hiroki 2054.44
A3 White Loss JPN Iwano Fumio 2181.51
A4 White Loss JPN Tomobe Katsuhiro 2071.01
A5 White Loss JPN Maruta Hiroki 2054.44
A6 Black Win JPN Iwano Fumio 2181.51
17 Kanto Renju Emperor Tournament 1st round
Date 2015-11-23 Rating 1866.36
Round Color Result Opponent
1 White Loss JPN Koyama Jun 2549.63
2 White Loss JPN Maruta Koji 2121.45
3 White Loss JPN Maruta Hiroki 2053.66
4 Black Loss JPN Iwano Fumio 2187.54
55 Suiseisen Tournament 2nd round
Date 2015-10-18 Rating 1865.65
Round Color Result Opponent
1 Black Loss JPN Fujikawa Masaki 2052.13
2 White Loss JPN Maruta Hiroki 2051.64
3 White Draw JPN Tanizaki Ryusuke 2126.21
55 Suiseisen Tournament 1st round
Date 2015-09-13 Rating 1865.45
Round Color Result Opponent
1 Black Loss JPN Tanizaki Ryusuke 2128.74
2 Black Win JPN Tomobe Katsuhiro 2053.39
3 White Loss JPN Maruta Hiroki 2048.12
32 Kanto Shineisen Tournament
Date 2015-04-12 Rating 1861.07
Round Color Result Opponent
1 White Loss JPN Tomobe Katsuhiro 2051.61
2 Black Loss JPN Maruta Hiroki 2022.82
3 Black Loss JPN Ozawa Tetsushi 1983.80
4 Black Loss JPN Hashimoto Takuya 1965.72
5 Black Loss JPN Iwano Fumio 2182.58
31th Kanto Championship
Date 2014-05-11 Rating 1885.27
Round Color Result Opponent
1 White Loss JPN Kobayashi Koichi 2176.18
2 Black Loss JPN Kamiya Shunsuke 2525.66
4 White Win JPN Nakamura Souta 2112.89
5 White Loss JPN Tada Ayako 2240.91
31st Kanto Shineisen Tournament
Date 2013-04-13 Rating 1899.24
Round Color Result Opponent
1 Black Win JPN Fujikawa Masaki 1968.94
2 Black Loss JPN Tomobe Katsuhiro 2098.83
3 Black Win JPN Sugawara Shinji 1595.88
4 White Loss JPN Nakamura Souta 2048.52
5 White Win JPN Kurokawa Toshihiro 1724.18