JPN Demachi Koichiro

Place: Tokyo, Japan

Rating: 1869.30, Rank: 610

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

Top rating: 1901.52 (2013-04-13)

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

Gy1: 0, Gy2: 5, Gy5: 50

22 New Year (Mikami) Cup
Date 2019-01-20 Rating 1869.30
Round Color Result Opponent
1 Black Loss JPN Takazawa Nagayoshi 2059.83
2 White Loss JPN Kato Daisuke 1845.49
3 White Win JPN Fujita Maiko 2198.65
4 Black Loss JPN Fujikawa Masaki 2054.51
5 Black Loss JPN Inoue Fumiya 2321.00
19 Renju Emperor Tournament Kanto area 1st round
Date 2018-10-21 Rating 1870.92
Round Color Result Opponent
1 White Loss JPN Koyama Jun 2492.61
2 Black Loss JPN Inoue Fumiya 2317.99
3 Black Win JPN Tsushima Takato 1622.97
4 Black Win JPN Ito Midori 1700.72
10th Tohoku Championship
Date 2018-09-09 Rating 1870.52
Round Color Result Opponent
1 White Loss JPN Miyamoto Syunju 2201.12
3 White Loss JPN Okabe Hiroshi 2615.06
4 White Loss JPN Kusajima Masato 2220.80
5 White Loss JPN Hirono Masakazu 2015.15
35 Kanto Shineisen Tournament
Date 2018-04-30 Rating 1874.80
Round Color Result Opponent
1 Black Win JPN Yambe Manami 1732.53
2 White Win JPN Fujikawa Masaki 2031.40
3 White Loss JPN Iwano Fumio 2183.15
4 Black Loss JPN Takagi Tomoyuki 2073.39
5 White Loss JPN Fujita Maiko 2159.30
57 Suiseisen Tournament 1st round
Date 2017-10-31 Rating 1874.38
Round Color Result Opponent
1 Black Loss JPN Koyama Akihiro 1911.12
2 Black Loss JPN Takagi Tomoyuki 2077.73
3 Black Loss JPN Nishizawa Aoi 2103.16
3 White Win JPN Morita Yutaka 1678.21
34 Kanto Shineisen Tournament
Date 2017-04-09 Rating 1883.82
Round Color Result Opponent
1 White Loss JPN Fujikawa Masaki 2024.24
2 White Loss JPN Takagi Tomoyuki 2082.20
3 Black Win JPN Koyama Akihiro 1896.12
3 Black Win JPN Tomosue Takahito 1508.03
5 Black Loss JPN Nakamura Souta 2199.02
20 New Year (Mikami) Cup
Date 2017-01-22 Rating 1887.77
Round Color Result Opponent
A1 White Win JPN Tomobe Katsuhiro 2085.20
A2 White Win JPN Maruta Hiroki 2057.28
A3 White Loss JPN Iwano Fumio 2198.47
A4 Black Win JPN Tomobe Katsuhiro 2085.20
A5 White Loss JPN Maruta Hiroki 2057.28
A6 Black Loss JPN Iwano Fumio 2198.47
56 Suiseisen Tournament final round
Date 2016-10-09 Rating 1880.04
Round Color Result Opponent
1 White Loss JPN Maruta Hiroki 2066.62
2 Black Loss JPN Iwano Fumio 2193.34
3 White Loss JPN Fujikawa Masaki 2037.72
56 Suiseisen Tournament 1st round
Date 2016-09-11 Rating 1879.41
Round Color Result Opponent
1 Black Loss JPN Maruta Hiroki 2068.31
2 Black Win JPN Yunoki Takahiro 1751.96
3 Black Loss JPN Iwano Fumio 2190.39
33 Kanto Shineisen Tournament
Date 2016-04-10 Rating 1876.71
Round Color Result Opponent
1 Black Loss JPN Maruta Hiroki 2057.11
2 White Loss JPN Nakamura Souta 2219.49
3 White Win JPN Nishizawa Aoi 2058.63
4 Black Loss JPN Tanizaki Ryusuke 2136.37
5 White Loss JPN Tomobe Katsuhiro 2077.71
19 Mikami Cup
Date 2016-03-13 Rating 1876.35
Round Color Result Opponent
A1 Black Loss JPN Tomobe Katsuhiro 2074.43
A2 Black Win JPN Maruta Hiroki 2057.18
A3 White Loss JPN Iwano Fumio 2184.28
A4 White Loss JPN Tomobe Katsuhiro 2074.43
A5 White Loss JPN Maruta Hiroki 2057.18
A6 Black Win JPN Iwano Fumio 2184.28
17 Kanto Renju Emperor Tournament 1st round
Date 2015-11-23 Rating 1869.16
Round Color Result Opponent
1 White Loss JPN Koyama Jun 2552.96
2 White Loss JPN Maruta Koji 2123.90
3 White Loss JPN Maruta Hiroki 2056.38
4 Black Loss JPN Iwano Fumio 2190.32
55 Suiseisen Tournament 2nd round
Date 2015-10-18 Rating 1868.42
Round Color Result Opponent
1 Black Loss JPN Fujikawa Masaki 2054.82
2 White Loss JPN Maruta Hiroki 2054.35
3 White Draw JPN Tanizaki Ryusuke 2129.09
55 Suiseisen Tournament 1st round
Date 2015-09-13 Rating 1868.20
Round Color Result Opponent
1 Black Loss JPN Tanizaki Ryusuke 2131.60
2 Black Win JPN Tomobe Katsuhiro 2056.60
3 White Loss JPN Maruta Hiroki 2050.83
32 Kanto Shineisen Tournament
Date 2015-04-12 Rating 1863.71
Round Color Result Opponent
1 White Loss JPN Tomobe Katsuhiro 2054.65
2 Black Loss JPN Maruta Hiroki 2025.48
3 Black Loss JPN Ozawa Tetsushi 1984.45
4 Black Loss JPN Hashimoto Takuya 1967.86
5 Black Loss JPN Iwano Fumio 2185.31
31th Kanto Championship
Date 2014-05-11 Rating 1887.75
Round Color Result Opponent
1 White Loss JPN Kobayashi Koichi 2178.54
2 Black Loss JPN Kamiya Shunsuke 2529.34
4 White Win JPN Nakamura Souta 2115.62
5 White Loss JPN Tada Ayako 2243.70
31st Kanto Shineisen Tournament
Date 2013-04-13 Rating 1901.52
Round Color Result Opponent
1 Black Win JPN Fujikawa Masaki 1971.45
2 Black Loss JPN Tomobe Katsuhiro 2101.59
3 Black Win JPN Sugawara Shinji 1597.26
4 White Loss JPN Nakamura Souta 2051.03
5 White Win JPN Kurokawa Toshihiro 1725.60