Demachi Koichiro (出町浩一郎)
Place: Tokyo, Japan
Rating: 1926.17, Std: 249.11, Rank: -
First game: 2014-04-13, Last game: 2019-01-20
Top rating: 1950.70 (2014-04-13)
Games: 74, Wins: 20, Draws: 1, Losses: 53
Gy1: 0, Gy2: 0, Gy5: 0
| 22 New Year (Mikami) Cup | ||||
|---|---|---|---|---|
| Date | 2019-01-20 | Rating | 1926.17 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | 2175.40 | |
| 2 | White | Loss | 1897.39 | |
| 3 | White | Win | 2267.31 | |
| 4 | Black | Loss | 2128.59 | |
| 5 | Black | Loss | 2415.39 | |
| 19 Renju Emperor Tournament Kanto area 1st round | ||||
| Date | 2018-10-21 | Rating | 1927.69 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | 2574.41 | |
| 2 | Black | Loss | 2409.47 | |
| 3 | Black | Win | 1661.58 | |
| 4 | Black | Win | 1766.78 | |
| 10th Tohoku Championship | ||||
| Date | 2018-09-09 | Rating | 1926.63 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | 2266.92 | |
| 3 | White | Loss | 2706.31 | |
| 4 | White | Loss | 2302.47 | |
| 5 | White | Loss | 2068.20 | |
| 35 Kanto Shineisen Tournament | ||||
| Date | 2018-04-01 | Rating | 1932.29 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | 1766.86 | |
| 2 | White | Win | 2090.05 | |
| 3 | White | Loss | 2266.49 | |
| 4 | Black | Loss | 2148.42 | |
| 5 | White | Loss | 2206.22 | |
| 57 Suiseisen Tournament 1st round | ||||
| Date | 2017-10-01 | Rating | 1929.21 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | 1968.84 | |
| 2 | Black | Loss | 2150.24 | |
| 3 | Black | Loss | 2148.30 | |
| 3 | White | Win | 1708.24 | |
| 34 Kanto Shineisen Tournament | ||||
| Date | 2017-04-09 | Rating | 1939.16 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | 2080.51 | |
| 2 | White | Loss | 2153.00 | |
| 3 | Black | Win | 1947.25 | |
| 3 | Black | Win | 1552.67 | |
| 5 | Black | Loss | 2263.85 | |
| 20 New Year (Mikami) Cup | ||||
| Date | 2017-01-22 | Rating | 1944.03 | |
| Round | Color | Result | Opponent | |
| A1 | White | Win | 2150.27 | |
| A2 | White | Win | 2115.24 | |
| A3 | White | Loss | 2277.82 | |
| A4 | Black | Win | 2150.27 | |
| A5 | White | Loss | 2115.24 | |
| A6 | Black | Loss | 2277.82 | |
| 17 Kanto Renju Emperor Tournament 1st round | ||||
| Date | 2016-11-23 | Rating | 1936.27 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | 2619.21 | |
| 2 | White | Loss | 2168.51 | |
| 3 | White | Loss | 2122.27 | |
| 4 | Black | Loss | 2273.88 | |
| 56 Suiseisen Tournament final round | ||||
| Date | 2016-10-09 | Rating | 1933.49 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | 2129.74 | |
| 2 | Black | Loss | 2268.38 | |
| 3 | White | Loss | 2098.98 | |
| 56 Suiseisen Tournament 1st round | ||||
| Date | 2016-09-11 | Rating | 1933.78 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | 2133.18 | |
| 2 | Black | Win | 1785.58 | |
| 3 | Black | Loss | 2262.74 | |
| 33 Kanto Shineisen Tournament | ||||
| Date | 2016-04-10 | Rating | 1936.63 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | 2121.90 | |
| 2 | White | Loss | 2294.37 | |
| 3 | White | Win | 2089.47 | |
| 4 | Black | Loss | 2177.97 | |
| 5 | White | Loss | 2138.55 | |
| 19 Mikami Cup | ||||
| Date | 2016-03-13 | Rating | 1937.46 | |
| Round | Color | Result | Opponent | |
| A1 | Black | Loss | 2133.84 | |
| A2 | Black | Win | 2123.06 | |
| A3 | White | Loss | 2246.11 | |
| A4 | White | Loss | 2133.84 | |
| A5 | White | Loss | 2123.06 | |
| A6 | Black | Win | 2246.11 | |
| 55 Suiseisen Tournament 2nd round | ||||
| Date | 2015-10-18 | Rating | 1930.20 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | 2121.04 | |
| 2 | White | Loss | 2123.62 | |
| 3 | White | Draw | 2177.32 | |
| 55 Suiseisen Tournament 1st round | ||||
| Date | 2015-09-13 | Rating | 1929.21 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | 2182.87 | |
| 2 | Black | Win | 2107.91 | |
| 3 | White | Loss | 2118.45 | |
| 32 Kanto Shineisen Tournament | ||||
| Date | 2015-04-12 | Rating | 1919.81 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | 2105.04 | |
| 2 | Black | Loss | 2082.27 | |
| 3 | Black | Loss | 2049.32 | |
| 4 | Black | Loss | 2020.18 | |
| 5 | Black | Loss | 2248.16 | |
| 31th Kanto Championship | ||||
| Date | 2014-05-11 | Rating | 1949.71 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | 2244.30 | |
| 2 | Black | Loss | 2607.91 | |
| 4 | White | Win | 2156.46 | |
| 5 | White | Loss | 2315.36 | |
| 31st Kanto Shineisen Tournament | ||||
| Date | 2014-04-13 | Rating | 1950.70 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | 2036.01 | |
| 2 | Black | Loss | 2119.34 | |
| 3 | Black | Win | 1595.07 | |
| 4 | White | Loss | 2149.10 | |
| 5 | White | Win | 1756.79 | |