JPN Demachi Koichiro

Place: Tokyo, Japan

Rating: 1853.88, Rank: 578

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

Top rating: 1891.06 (2013-04-13)

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

Gy1: 0, Gy2: 18, Gy5: 65

22 New Year (Mikami) Cup
Date 2019-01-20 Rating 1853.88
Round Color Result Opponent
1 Black Loss JPN Takazawa Nagayoshi 2092.15
2 White Loss JPN Kato Daisuke 1830.01
3 White Win JPN Fujita Maiko 2168.62
4 Black Loss JPN Fujikawa Masaki 2030.36
5 Black Loss JPN Inoue Fumiya 2305.21
19 Renju Emperor Tournament Kanto area 1st round
Date 2018-10-21 Rating 1855.32
Round Color Result Opponent
1 White Loss JPN Koyama Jun 2482.16
2 Black Loss JPN Inoue Fumiya 2302.20
3 Black Win JPN Tsushima Takato 1599.17
4 Black Win JPN Ito Midori 1641.84
10th Tohoku Championship
Date 2018-09-09 Rating 1855.00
Round Color Result Opponent
1 White Loss JPN Miyamoto Syunju 2197.17
3 White Loss JPN Okabe Hiroshi 2607.35
4 White Loss JPN Kusajima Masato 2223.78
5 White Loss JPN Hirono Masakazu 2013.11
35 Kanto Shineisen Tournament
Date 2018-04-30 Rating 1859.18
Round Color Result Opponent
1 Black Win JPN Yambe Manami 1722.94
2 White Win JPN Fujikawa Masaki 2010.92
3 White Loss JPN Iwano Fumio 2179.40
4 Black Loss JPN Takagi Tomoyuki 2069.61
5 White Loss JPN Fujita Maiko 2133.82
57 Suiseisen Tournament 1st round
Date 2017-10-31 Rating 1858.44
Round Color Result Opponent
1 Black Loss JPN Koyama Akihiro 1894.99
2 Black Loss JPN Takagi Tomoyuki 2071.32
3 Black Loss JPN Nishizawa Aoi 2021.61
3 White Win JPN Morita Yutaka 1661.83
34 Kanto Shineisen Tournament
Date 2017-04-09 Rating 1868.44
Round Color Result Opponent
1 White Loss JPN Fujikawa Masaki 2007.46
2 White Loss JPN Takagi Tomoyuki 2075.12
3 Black Win JPN Koyama Akihiro 1880.92
3 Black Win JPN Tomosue Takahito 1495.65
5 Black Loss JPN Nakamura Souta 2185.53
20 New Year (Mikami) Cup
Date 2017-01-22 Rating 1872.53
Round Color Result Opponent
A1 White Win JPN Tomobe Katsuhiro 2068.09
A2 White Win JPN Maruta Hiroki 2039.50
A3 White Loss JPN Iwano Fumio 2188.11
A4 Black Win JPN Tomobe Katsuhiro 2068.09
A5 White Loss JPN Maruta Hiroki 2039.50
A6 Black Loss JPN Iwano Fumio 2188.11
56 Suiseisen Tournament final round
Date 2016-10-09 Rating 1865.04
Round Color Result Opponent
1 White Loss JPN Maruta Hiroki 2050.10
2 Black Loss JPN Iwano Fumio 2182.65
3 White Loss JPN Fujikawa Masaki 2022.22
56 Suiseisen Tournament 1st round
Date 2016-09-11 Rating 1864.46
Round Color Result Opponent
1 Black Loss JPN Maruta Hiroki 2052.10
2 Black Win JPN Yunoki Takahiro 1743.44
3 Black Loss JPN Iwano Fumio 2179.65
33 Kanto Shineisen Tournament
Date 2016-04-10 Rating 1861.98
Round Color Result Opponent
1 Black Loss JPN Maruta Hiroki 2042.35
2 White Loss JPN Nakamura Souta 2206.30
3 White Win JPN Nishizawa Aoi 1996.16
4 Black Loss JPN Tanizaki Ryusuke 2122.35
5 White Loss JPN Tomobe Katsuhiro 2061.92
19 Mikami Cup
Date 2016-03-13 Rating 1861.79
Round Color Result Opponent
A1 Black Loss JPN Tomobe Katsuhiro 2058.89
A2 Black Win JPN Maruta Hiroki 2042.67
A3 White Loss JPN Iwano Fumio 2173.35
A4 White Loss JPN Tomobe Katsuhiro 2058.89
A5 White Loss JPN Maruta Hiroki 2042.67
A6 Black Win JPN Iwano Fumio 2173.35
17 Kanto Renju Emperor Tournament 1st round
Date 2015-11-23 Rating 1855.18
Round Color Result Opponent
1 White Loss JPN Koyama Jun 2542.60
2 White Loss JPN Maruta Koji 2113.50
3 White Loss JPN Maruta Hiroki 2042.82
4 Black Loss JPN Iwano Fumio 2179.50
55 Suiseisen Tournament 2nd round
Date 2015-10-18 Rating 1854.61
Round Color Result Opponent
1 Black Loss JPN Fujikawa Masaki 2041.70
2 White Loss JPN Maruta Hiroki 2041.05
3 White Draw JPN Tanizaki Ryusuke 2115.98
55 Suiseisen Tournament 1st round
Date 2015-09-13 Rating 1854.56
Round Color Result Opponent
1 Black Loss JPN Tanizaki Ryusuke 2118.68
2 Black Win JPN Tomobe Katsuhiro 2042.47
3 White Loss JPN Maruta Hiroki 2037.78
32 Kanto Shineisen Tournament
Date 2015-04-12 Rating 1850.79
Round Color Result Opponent
1 White Loss JPN Tomobe Katsuhiro 2041.69
2 Black Loss JPN Maruta Hiroki 2013.57
3 Black Loss JPN Ozawa Tetsushi 1977.50
4 Black Loss JPN Hashimoto Takuya 1958.02
5 Black Loss JPN Iwano Fumio 2174.77
31th Kanto Championship
Date 2014-05-11 Rating 1876.04
Round Color Result Opponent
1 White Loss JPN Kobayashi Koichi 2170.50
2 Black Loss JPN Kamiya Shunsuke 2519.34
4 White Win JPN Nakamura Souta 2105.16
5 White Loss JPN Tada Ayako 2234.84
31st Kanto Shineisen Tournament
Date 2013-04-13 Rating 1891.06
Round Color Result Opponent
1 Black Win JPN Fujikawa Masaki 1961.96
2 Black Loss JPN Tomobe Katsuhiro 2092.08
3 Black Win JPN Sugawara Shinji 1591.81
4 White Loss JPN Nakamura Souta 2041.62
5 White Win JPN Kurokawa Toshihiro 1719.98