Koyama Akihiro

Place: Tokyo, Japan

Rating: 1897.62, Rank: 571

First game: 2017-04-09, Last game: 2018-04-30

Top rating: 1900.13 (2017-10-31)

Games: 31, Wins: 10, Draws: 3, Losses: 18

Gy1: 0, Gy2: 0, Gy5: 31

35 Kanto Shineisen Tournament
Date	2018-04-30		Rating	1897.62
Round	Color	Result	Opponent
1	White	Draw	Fujikawa Masaki	2019.66
2	White	Win	Fujita Maiko	2144.03
3	White	Loss	Takagi Tomoyuki	2076.23
4	White	Draw	Tomosue Takahito	1496.71
5	White	Loss	Iwano Fumio	2186.78
21 Mikami Cup
Date	2018-01-21		Rating	1896.58
Round	Color	Result	Opponent
A2	Black	Loss	Tomobe Katsuhiro	2092.33
A3	Black	Loss	Iwano Fumio	2182.58
A5	White	Loss	Tomobe Katsuhiro	2092.33
A6	White	Loss	Iwano Fumio	2182.58
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-30		Rating	1899.17
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2502.66
2	White	Loss	Maruta Koji	2069.09
3	White	Win	Maruta Hiroki	2065.25
4	White	Win	Tomosue Takahito	1495.65
57 Suiseisen Tournament final round
Date	2017-11-30		Rating	1899.17
Round	Color	Result	Opponent
1	White	Draw	Nishizawa Aoi	2025.99
2	White	Loss	Iwano Fumio	2182.03
3	White	Loss	Maruta Hiroki	2065.25
57 Suiseisen Tournament 1st round
Date	2017-10-31		Rating	1900.13
Round	Color	Result	Opponent
1	White	Win	Demachi Koichiro	1862.82
2	White	Loss	Maruta Hiroki	2064.58
3	Black	Win	Inoue Fumiya	2260.79
4	White	Win	Morita Yutaka	1664.69
34 Kanto Championship
Date	2017-07-16		Rating	1893.53
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2314.92
2	White	Win	Matsumoto Hiro	1685.79
3	White	Win	Tomosue Takahito	1496.31
4	White	Loss	Iwano Fumio	2188.87
5	White	Loss	Ono Takayuki	2294.39
6	White	Win	Matsumoto Hiro	1685.79
34 Kanto Shineisen Tournament
Date	2017-04-09		Rating	1885.81
Round	Color	Result	Opponent
1	White	Loss	Nakamura Souta	2188.76
2	Black	Win	Tomosue Takahito	1500.12
3	White	Loss	Demachi Koichiro	1872.72
4	White	Loss	Takagi Tomoyuki	2081.16
5	White	Loss	Maruta Hiroki	2044.08