Koyama Akihiro (小山晃弘)
Place: Tokyo, Japan
Rating: 1963.00, Std: 258.01, Rank: -
First game: 2017-04-09, Last game: 2018-04-01
Top rating: 1968.00 (2017-10-01)
Games: 31, Wins: 10, Draws: 3, Losses: 18
Gy1: 0, Gy2: 0, Gy5: 0
| 35 Kanto Shineisen Tournament | ||||
|---|---|---|---|---|
| Date | 2018-04-01 | Rating | 1963.00 | |
| Round | Color | Result | Opponent | |
| 1 | White | Draw | 2088.98 | |
| 2 | White | Win | 2205.12 | |
| 3 | White | Loss | 2147.36 | |
| 4 | White | Draw | 1547.87 | |
| 5 | White | Loss | 2265.42 | |
| 21 Mikami Cup | ||||
| Date | 2018-01-21 | Rating | 1961.81 | |
| Round | Color | Result | Opponent | |
| A2 | Black | Loss | 2181.67 | |
| A3 | Black | Loss | 2261.60 | |
| A5 | White | Loss | 2181.67 | |
| A6 | White | Loss | 2261.60 | |
| 18 Kanto Renju Emperor Tournament 1st round | ||||
| Date | 2017-11-01 | Rating | 1967.11 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | 2599.18 | |
| 2 | White | Loss | 2129.51 | |
| 3 | White | Win | 2146.27 | |
| 4 | White | Win | 1546.20 | |
| 57 Suiseisen Tournament final round | ||||
| Date | 2017-11-01 | Rating | 1967.11 | |
| Round | Color | Result | Opponent | |
| 1 | White | Draw | 2149.54 | |
| 2 | White | Loss | 2261.00 | |
| 3 | White | Loss | 2146.27 | |
| 57 Suiseisen Tournament 1st round | ||||
| Date | 2017-10-01 | Rating | 1968.00 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | 1928.33 | |
| 2 | White | Loss | 2144.81 | |
| 3 | Black | Win | 2329.45 | |
| 4 | White | Win | 1707.76 | |
| 34 Kanto Championship | ||||
| Date | 2017-07-16 | Rating | 1959.50 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | 2396.49 | |
| 2 | White | Win | 1729.21 | |
| 3 | White | Win | 1546.70 | |
| 4 | White | Loss | 2269.28 | |
| 5 | White | Loss | 2381.74 | |
| 6 | White | Win | 1729.21 | |
| 34 Kanto Shineisen Tournament | ||||
| Date | 2017-04-09 | Rating | 1946.45 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | 2263.08 | |
| 2 | Black | Win | 1552.01 | |
| 3 | White | Loss | 1938.31 | |
| 4 | White | Loss | 2152.03 | |
| 5 | White | Loss | 2115.80 | |