Ooshina Seiichi (大科清市)

Place: Aomori, Japan

Rating: 2003.18, Std: 115.47, Rank: 775

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

Top rating: 2048.09 (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	2003.18
Round	Color	Result	Opponent
1	Black	Loss	Kawaai Hitoshi	2063.09
2	White	Win	Tanno Yoshitaka	2034.73
3	White	Win	Ishitani Shin-ichi	2347.16
4	White	Draw	Shimura Hiroki	2257.39
5	White	Loss	Gakumazawa Hideaki	2175.69
41 Aomori Championship
Date	2025-11-29		Rating	1978.66
Round	Color	Result	Opponent
1	Black	Loss	Miyamoto Syunju	2324.88
2	Black	Loss	Tanno Yoshitaka	2050.39
3	White	Loss	Gakumazawa Hideaki	2167.87
39 Aomori Championship
Date	2025-06-28		Rating	1973.85
Round	Color	Result	Opponent
1	Black	Loss	Gakumazawa Hideaki	2149.06
2	Black	Loss	Kawaai Hitoshi	2066.74
3	White	Loss	Ishitani Shin-ichi	2372.58
4	White	Loss	Miyamoto Syunju	2314.54
5	Black	Loss	Tanno Yoshitaka	2063.76
40 Aomori Championship
Date	2024-11-30		Rating	1995.88
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2318.90
3	White	Win	Tanno Yoshitaka	2054.86
5	White	Loss	Kawaai Hitoshi	2064.61
37 Aomori Championship
Date	2023-06-25		Rating	2048.09
Round	Color	Result	Opponent
1	Black	Win	Koseki Kenshou	1573.00
2	White	Win	Kawaai Hitoshi	2053.08
3	White	Win	Tanno Yoshitaka	2043.41
38 Aomori Meijinsen Tournament
Date	2019-11-10		Rating	2023.91
Round	Color	Result	Opponent
1	Black	Win	Koseki Kenshou	1599.87
2	Black	Loss	Miyamoto Syunju	2303.03
3	Black	Loss	Tanno Yoshitaka	2114.71
36 Aomori Championship
Date	2019-06-30		Rating	2028.26
Round	Color	Result	Opponent
1	Black	Loss	Tanno Yoshitaka	2119.38
2	Black	Win	Koseki Kenshou	1604.73
3	Black	Win	Miyamoto Syunju	2284.78
37 Aomori Meijinsen Tournament
Date	2018-11-11		Rating	2022.42
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2271.93
2	Black	Loss	Tanno Yoshitaka	2130.99
3	Black	Win	Koseki Kenshou	1617.00
Aomori Meijinsen Tournament
Date	2017-11-05		Rating	2031.67
Round	Color	Result	Opponent
2	White	Loss	Gakumazawa Hideaki	2201.40
3	White	Loss	Miyamoto Syunju	2283.89
4	White	Win	Tanno Yoshitaka	2138.23
32nd Aomori Championship
Date	2015-07-05		Rating	2035.36
Round	Color	Result	Opponent
1	Black	Loss	Gakumazawa Hideaki	2193.15
2	Black	Win	Koseki Kenshou	1688.71
3	Black	Loss	Miyamoto Syunju	2089.44
4	White	Win	Miura Hitoshi	1783.71
5	White	Win	Kobayashi Koichi	2287.52