Ooshina Seiichi (大科清市)

Place: Aomori, Japan

Rating: 2000.99, Std: 111.68, Rank: 788

First game: 2015-07-05, Last game: 2026-06-27

Top rating: 2047.02 (2023-06-25)

Games: 36, Wins: 14, Draws: 1, Losses: 21

Gy1: 8, Gy2: 16, Gy5: 19

40 Aomori Championship
Date	2026-06-27		Rating	2000.99
Round	Color	Result	Opponent
1	Black	Loss	Kawaai Hitoshi	2048.93
2	White	Win	Tanno Yoshitaka	2032.72
3	White	Win	Ishitani Shin-ichi	2347.07
4	White	Draw	Shimura Hiroki	2257.54
5	White	Loss	Gakumazawa Hideaki	2174.24
41 Aomori Championship
Date	2025-11-29		Rating	1976.76
Round	Color	Result	Opponent
1	Black	Loss	Miyamoto Syunju	2325.43
2	Black	Loss	Tanno Yoshitaka	2048.70
3	White	Loss	Gakumazawa Hideaki	2167.01
39 Aomori Championship
Date	2025-06-28		Rating	1972.11
Round	Color	Result	Opponent
1	Black	Loss	Gakumazawa Hideaki	2148.41
2	Black	Loss	Kawaai Hitoshi	2062.11
3	White	Loss	Ishitani Shin-ichi	2373.66
4	White	Loss	Miyamoto Syunju	2315.12
5	Black	Loss	Tanno Yoshitaka	2062.25
40 Aomori Championship
Date	2024-11-30		Rating	1994.35
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2319.75
3	White	Win	Tanno Yoshitaka	2053.61
5	White	Loss	Kawaai Hitoshi	2062.45
37 Aomori Championship
Date	2023-06-25		Rating	2047.02
Round	Color	Result	Opponent
1	Black	Win	Koseki Kenshou	1573.07
2	White	Win	Kawaai Hitoshi	2053.54
3	White	Win	Tanno Yoshitaka	2042.60
38 Aomori Meijinsen Tournament
Date	2019-11-10		Rating	2023.58
Round	Color	Result	Opponent
1	Black	Win	Koseki Kenshou	1600.02
2	Black	Loss	Miyamoto Syunju	2302.83
3	Black	Loss	Tanno Yoshitaka	2114.54
36 Aomori Championship
Date	2019-06-30		Rating	2028.00
Round	Color	Result	Opponent
1	Black	Loss	Tanno Yoshitaka	2119.29
2	Black	Win	Koseki Kenshou	1604.89
3	Black	Win	Miyamoto Syunju	2284.80
37 Aomori Meijinsen Tournament
Date	2018-11-11		Rating	2022.24
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2272.18
2	Black	Loss	Tanno Yoshitaka	2131.01
3	Black	Win	Koseki Kenshou	1617.20
Aomori Meijinsen Tournament
Date	2017-11-05		Rating	2031.62
Round	Color	Result	Opponent
2	White	Loss	Gakumazawa Hideaki	2201.76
3	White	Loss	Miyamoto Syunju	2284.32
4	White	Win	Tanno Yoshitaka	2138.42
32nd Aomori Championship
Date	2015-07-05		Rating	2035.48
Round	Color	Result	Opponent
1	Black	Loss	Gakumazawa Hideaki	2193.69
2	Black	Win	Koseki Kenshou	1689.06
3	Black	Loss	Miyamoto Syunju	2089.93
4	White	Win	Miura Hitoshi	1784.27
5	White	Win	Kobayashi Koichi	2288.26