JPN Demachi Koichiro

Place: Tokyo, Japan

Rating: 1868.69, Rank: 620

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

Top rating: 1900.66 (2013-04-13)

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

Gy1: 0, Gy2: 0, Gy5: 39

22 New Year (Mikami) Cup
Date 2019-01-20 Rating 1868.69
Round Color Result Opponent
1 Black Loss JPN Takazawa Nagayoshi 2059.82
2 White Loss JPN Kato Daisuke 1844.89
3 White Win JPN Fujita Maiko 2201.57
4 Black Loss JPN Fujikawa Masaki 2057.80
5 Black Loss JPN Inoue Fumiya 2328.83
19 Renju Emperor Tournament Kanto area 1st round
Date 2018-10-21 Rating 1870.25
Round Color Result Opponent
1 White Loss JPN Koyama Jun 2493.25
2 Black Loss JPN Inoue Fumiya 2324.58
3 Black Win JPN Tsushima Takato 1617.76
4 Black Win JPN Ito Midori 1685.04
10th Tohoku Championship
Date 2018-09-09 Rating 1869.88
Round Color Result Opponent
1 White Loss JPN Miyamoto Syunju 2197.22
3 White Loss JPN Okabe Hiroshi 2620.71
4 White Loss JPN Kusajima Masato 2215.73
5 White Loss JPN Hirono Masakazu 2013.08
35 Kanto Shineisen Tournament
Date 2018-04-30 Rating 1874.29
Round Color Result Opponent
1 Black Win JPN Yambe Manami 1733.21
2 White Win JPN Fujikawa Masaki 2032.88
3 White Loss JPN Iwano Fumio 2180.52
4 Black Loss JPN Takagi Tomoyuki 2080.27
5 White Loss JPN Fujita Maiko 2161.18
57 Suiseisen Tournament 1st round
Date 2017-10-31 Rating 1873.90
Round Color Result Opponent
1 Black Loss JPN Koyama Akihiro 1908.93
2 Black Loss JPN Takagi Tomoyuki 2083.66
3 Black Loss JPN Nishizawa Aoi 2119.73
3 White Win JPN Morita Yutaka 1679.31
34 Kanto Shineisen Tournament
Date 2017-04-09 Rating 1883.04
Round Color Result Opponent
1 White Loss JPN Fujikawa Masaki 2024.30
2 White Loss JPN Takagi Tomoyuki 2087.23
3 Black Win JPN Koyama Akihiro 1894.10
3 Black Win JPN Tomosue Takahito 1506.66
5 Black Loss JPN Nakamura Souta 2197.75
20 New Year (Mikami) Cup
Date 2017-01-22 Rating 1886.84
Round Color Result Opponent
A1 White Win JPN Tomobe Katsuhiro 2082.12
A2 White Win JPN Maruta Hiroki 2052.81
A3 White Loss JPN Iwano Fumio 2196.11
A4 Black Win JPN Tomobe Katsuhiro 2082.12
A5 White Loss JPN Maruta Hiroki 2052.81
A6 Black Loss JPN Iwano Fumio 2196.11
56 Suiseisen Tournament final round
Date 2016-10-09 Rating 1879.04
Round Color Result Opponent
1 White Loss JPN Maruta Hiroki 2062.89
2 Black Loss JPN Iwano Fumio 2191.03
3 White Loss JPN Fujikawa Masaki 2037.34
56 Suiseisen Tournament 1st round
Date 2016-09-11 Rating 1878.39
Round Color Result Opponent
1 Black Loss JPN Maruta Hiroki 2064.75
2 Black Win JPN Yunoki Takahiro 1750.52
3 Black Loss JPN Iwano Fumio 2188.10
33 Kanto Shineisen Tournament
Date 2016-04-10 Rating 1875.66
Round Color Result Opponent
1 Black Loss JPN Maruta Hiroki 2054.40
2 White Loss JPN Nakamura Souta 2218.49
3 White Win JPN Nishizawa Aoi 2070.66
4 Black Loss JPN Tanizaki Ryusuke 2135.74
5 White Loss JPN Tomobe Katsuhiro 2075.65
19 Mikami Cup
Date 2016-03-13 Rating 1875.28
Round Color Result Opponent
A1 Black Loss JPN Tomobe Katsuhiro 2072.41
A2 Black Win JPN Maruta Hiroki 2054.57
A3 White Loss JPN Iwano Fumio 2182.16
A4 White Loss JPN Tomobe Katsuhiro 2072.41
A5 White Loss JPN Maruta Hiroki 2054.57
A6 Black Win JPN Iwano Fumio 2182.16
17 Kanto Renju Emperor Tournament 1st round
Date 2015-11-23 Rating 1868.02
Round Color Result Opponent
1 White Loss JPN Koyama Jun 2552.55
2 White Loss JPN Maruta Koji 2113.43
3 White Loss JPN Maruta Hiroki 2054.14
4 Black Loss JPN Iwano Fumio 2188.38
55 Suiseisen Tournament 2nd round
Date 2015-10-18 Rating 1867.29
Round Color Result Opponent
1 Black Loss JPN Fujikawa Masaki 2053.94
2 White Loss JPN Maruta Hiroki 2052.24
3 White Draw JPN Tanizaki Ryusuke 2128.28
55 Suiseisen Tournament 1st round
Date 2015-09-13 Rating 1867.08
Round Color Result Opponent
1 Black Loss JPN Tanizaki Ryusuke 2130.77
2 Black Win JPN Tomobe Katsuhiro 2054.84
3 White Loss JPN Maruta Hiroki 2048.83
32 Kanto Shineisen Tournament
Date 2015-04-12 Rating 1862.65
Round Color Result Opponent
1 White Loss JPN Tomobe Katsuhiro 2053.11
2 Black Loss JPN Maruta Hiroki 2023.95
3 Black Loss JPN Ozawa Tetsushi 1985.60
4 Black Loss JPN Hashimoto Takuya 1966.25
5 Black Loss JPN Iwano Fumio 2183.82
31th Kanto Championship
Date 2014-05-11 Rating 1886.79
Round Color Result Opponent
1 White Loss JPN Kobayashi Koichi 2177.77
2 Black Loss JPN Kamiya Shunsuke 2528.67
4 White Win JPN Nakamura Souta 2114.66
5 White Loss JPN Tada Ayako 2243.18
31st Kanto Shineisen Tournament
Date 2013-04-13 Rating 1900.66
Round Color Result Opponent
1 Black Win JPN Fujikawa Masaki 1970.74
2 Black Loss JPN Tomobe Katsuhiro 2100.77
3 Black Win JPN Sugawara Shinji 1596.86
4 White Loss JPN Nakamura Souta 2050.19
5 White Win JPN Kurokawa Toshihiro 1725.27