Ooshina Seiichi (大科清市)
Place: Aomori, Japan
Rating: 2153.59, Std: 176.45, Rank: 504
First game: 2015-07-05, Last game: 2023-06-25
Top rating: 2153.59 (2023-06-25)
Games: 20, Wins: 11, Draws: 0, Losses: 9
Gy1: 3, Gy2: 3, Gy5: 9
| 37 Aomori Championship | ||||
|---|---|---|---|---|
| Date | 2023-06-25 | Rating | 2153.59 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Koseki Kenshou | 1572.83 |
| 2 | White | Win | Kawaai Hitoshi | 2024.46 |
| 3 | White | Win | Tanno Yoshitaka | 2000.93 |
| 38 Aomori Meijinsen Tournament | ||||
| Date | 2019-11-10 | Rating | 2058.07 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Koseki Kenshou | 1599.53 |
| 2 | Black | Loss | Miyamoto Syunju | 2289.80 |
| 3 | Black | Loss | Tanno Yoshitaka | 2101.06 |
| 36 Aomori Championship | ||||
| Date | 2019-06-30 | Rating | 2057.05 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Tanno Yoshitaka | 2107.60 |
| 2 | Black | Win | Koseki Kenshou | 1604.25 |
| 3 | Black | Win | Miyamoto Syunju | 2272.18 |
| 37 Aomori Meijinsen Tournament | ||||
| Date | 2018-11-11 | Rating | 2044.58 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Miyamoto Syunju | 2260.34 |
| 2 | Black | Loss | Tanno Yoshitaka | 2120.97 |
| 3 | Black | Win | Koseki Kenshou | 1616.10 |
| Aomori Meijinsen Tournament | ||||
| Date | 2017-11-05 | Rating | 2046.72 | |
| Round | Color | Result | Opponent | |
| 2 | White | Loss | Gakumazawa Hideaki | 2186.74 |
| 3 | White | Loss | Miyamoto Syunju | 2273.62 |
| 4 | White | Win | Tanno Yoshitaka | 2129.61 |
| 32nd Aomori Championship | ||||
| Date | 2015-07-05 | Rating | 2042.61 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Gakumazawa Hideaki | 2185.74 |
| 2 | Black | Win | Koseki Kenshou | 1686.10 |
| 3 | Black | Loss | Miyamoto Syunju | 2083.23 |
| 4 | White | Win | Miura Hitoshi | 1779.58 |
| 5 | White | Win | Kobayashi Koichi | 2281.37 |