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