Ooshina Seiichi (大科清市)
Place: Aomori, Japan
Rating: 2179.76, Std: 186.53, Rank: 467
First game: 2015-07-05, Last game: 2023-06-25
Top rating: 2179.76 (2023-06-25)
Games: 20, Wins: 11, Draws: 0, Losses: 9
Gy1: 0, Gy2: 3, Gy5: 3
| 37 Aomori Championship | ||||
|---|---|---|---|---|
| Date | 2023-06-25 | Rating | 2179.76 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Koseki Kenshou | 1589.88 |
| 2 | White | Win | Kawaai Hitoshi | 2030.48 |
| 3 | White | Win | Tanno Yoshitaka | 2082.41 |
| 38 Aomori Meijinsen Tournament | ||||
| Date | 2019-11-10 | Rating | 2077.85 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Koseki Kenshou | 1613.58 |
| 2 | Black | Loss | Miyamoto Syunju | 2299.60 |
| 3 | Black | Loss | Tanno Yoshitaka | 2134.96 |
| 36 Aomori Championship | ||||
| Date | 2019-06-30 | Rating | 2076.06 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Tanno Yoshitaka | 2137.48 |
| 2 | Black | Win | Koseki Kenshou | 1617.90 |
| 3 | Black | Win | Miyamoto Syunju | 2282.01 |
| 37 Aomori Meijinsen Tournament | ||||
| Date | 2018-11-11 | Rating | 2062.16 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Miyamoto Syunju | 2269.41 |
| 2 | Black | Loss | Tanno Yoshitaka | 2145.62 |
| 3 | Black | Win | Koseki Kenshou | 1628.89 |
| Aomori Meijinsen Tournament | ||||
| Date | 2017-11-05 | Rating | 2062.04 | |
| Round | Color | Result | Opponent | |
| 2 | White | Loss | Gakumazawa Hideaki | 2200.71 |
| 3 | White | Loss | Miyamoto Syunju | 2281.29 |
| 4 | White | Win | Tanno Yoshitaka | 2147.93 |
| 32nd Aomori Championship | ||||
| Date | 2015-07-05 | Rating | 2053.21 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Gakumazawa Hideaki | 2192.92 |
| 2 | Black | Win | Koseki Kenshou | 1693.83 |
| 3 | Black | Loss | Miyamoto Syunju | 2089.05 |
| 4 | White | Win | Miura Hitoshi | 1784.33 |
| 5 | White | Win | Kobayashi Koichi | 2284.96 |