Ooshina Seiichi (大科清市)
Place: Aomori, Japan
Rating: 2173.36, Std: 185.32, Rank: 482
First game: 2015-07-05, Last game: 2023-06-25
Top rating: 2173.36 (2023-06-25)
Games: 20, Wins: 11, Draws: 0, Losses: 9
Gy1: 0, Gy2: 3, Gy5: 6
| 37 Aomori Championship | ||||
|---|---|---|---|---|
| Date | 2023-06-25 | Rating | 2173.36 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Koseki Kenshou | 1585.68 |
| 2 | White | Win | Kawaai Hitoshi | 2014.56 |
| 3 | White | Win | Tanno Yoshitaka | 2073.43 |
| 38 Aomori Meijinsen Tournament | ||||
| Date | 2019-11-10 | Rating | 2073.55 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Koseki Kenshou | 1610.35 |
| 2 | Black | Loss | Miyamoto Syunju | 2296.36 |
| 3 | Black | Loss | Tanno Yoshitaka | 2130.13 |
| 36 Aomori Championship | ||||
| Date | 2019-06-30 | Rating | 2071.96 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Tanno Yoshitaka | 2133.03 |
| 2 | Black | Win | Koseki Kenshou | 1614.78 |
| 3 | Black | Win | Miyamoto Syunju | 2278.98 |
| 37 Aomori Meijinsen Tournament | ||||
| Date | 2018-11-11 | Rating | 2058.39 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Miyamoto Syunju | 2266.72 |
| 2 | Black | Loss | Tanno Yoshitaka | 2141.71 |
| 3 | Black | Win | Koseki Kenshou | 1625.97 |
| Aomori Meijinsen Tournament | ||||
| Date | 2017-11-05 | Rating | 2058.74 | |
| Round | Color | Result | Opponent | |
| 2 | White | Loss | Gakumazawa Hideaki | 2197.76 |
| 3 | White | Loss | Miyamoto Syunju | 2279.07 |
| 4 | White | Win | Tanno Yoshitaka | 2144.75 |
| 32nd Aomori Championship | ||||
| Date | 2015-07-05 | Rating | 2050.84 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Gakumazawa Hideaki | 2191.17 |
| 2 | Black | Win | Koseki Kenshou | 1692.03 |
| 3 | Black | Loss | Miyamoto Syunju | 2087.44 |
| 4 | White | Win | Miura Hitoshi | 1783.04 |
| 5 | White | Win | Kobayashi Koichi | 2283.77 |