Koseki Kenshou (古跡健将)
Place: Aomori, Japan
Rating: 1616.86, Std: 189.37, Rank: 1027
First game: 2010-11-14, Last game: 2019-11-10
Top rating: 1691.34 (2010-11-14)
Games: 37, Wins: 7, Draws: 0, Losses: 30
Gy1: 0, Gy2: 0, Gy5: 9
| 38 Aomori Meijinsen Tournament | ||||
|---|---|---|---|---|
| Date | 2019-11-10 | Rating | 1616.86 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Ooshina Seiichi | 1987.05 |
| 2 | Black | Loss | Tanno Yoshitaka | 2107.82 |
| 3 | White | Loss | Miyamoto Syunju | 2236.46 |
| 36 Aomori Championship | ||||
| Date | 2019-06-30 | Rating | 1618.73 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Miyamoto Syunju | 2227.07 |
| 2 | White | Loss | Ooshina Seiichi | 1991.19 |
| 3 | Black | Loss | Tanno Yoshitaka | 2107.17 |
| 37 Aomori Meijinsen Tournament | ||||
| Date | 2018-11-11 | Rating | 1625.26 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Tanno Yoshitaka | 2110.72 |
| 2 | White | Loss | Miyamoto Syunju | 2218.94 |
| 3 | White | Loss | Ooshina Seiichi | 1988.75 |
| Aomori Meijinsen Tournament | ||||
| Date | 2017-11-05 | Rating | 1641.24 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Miyamoto Syunju | 2225.40 |
| 3 | Black | Loss | Gakumazawa Hideaki | 2149.01 |
| 5 | Black | Loss | Tanno Yoshitaka | 2111.37 |
| 34 Aomori Championship | ||||
| Date | 2017-07-02 | Rating | 1648.04 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Miyamoto Syunju | 2217.52 |
| 2 | White | Loss | Gakumazawa Hideaki | 2160.60 |
| 3 | White | Win | Yamamoto Harue | 1632.62 |
| 4 | White | Loss | Kusajima Masato | 2234.73 |
| 5 | Black | Loss | Tanno Yoshitaka | 2114.44 |
| 32nd Aomori Championship | ||||
| Date | 2015-07-05 | Rating | 1671.40 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Tanno Yoshitaka | 2132.21 |
| 2 | White | Loss | Ooshina Seiichi | 2005.29 |
| 3 | White | Loss | Miura Hitoshi | 1770.63 |
| 4 | White | Win | Yamamoto Harue | 1675.36 |
| 5 | Black | Loss | Gakumazawa Hideaki | 2152.09 |
| 33th Aomori Meijinsen | ||||
| Date | 2014-11-09 | Rating | 1680.94 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Tanno Yoshitaka | 2133.09 |
| 2 | Black | Win | Shimoda Hiroyasu | 1562.06 |
| 3 | Black | Loss | Kobayashi Koichi | 2233.44 |
| 4 | White | Loss | Gakumazawa Hideaki | 2139.51 |
| 5 | Black | Win | Yamamoto Harue | 1690.41 |
| 32 Aomori Meijinsen | ||||
| Date | 2013-11-10 | Rating | 1677.34 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Tanno Yoshitaka | 2125.61 |
| 2 | White | Loss | Gakumazawa Hideaki | 2121.14 |
| 3 | Black | Loss | Chiba Tomio | 1762.08 |
| 4 | White | Loss | Yamamoto Harue | 1723.56 |
| 5 | Black | Win | Miura Hitoshi | 1785.49 |
| 29th Aomori-Meijinsen Tournament | ||||
| Date | 2010-11-14 | Rating | 1691.34 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Sato Ryota | 1470.94 |
| 2 | White | Win | Tsushima Norito | 1662.97 |
| 3 | Black | Loss | Tanno Yoshitaka | 2080.39 |
| 4 | White | Win | Chiba Tomio | 1737.51 |
| 5 | Black | Loss | Yamamoto Harue | 1682.18 |