Kuksu Mountains Cup
(国手山脈杯国際囲棋戦) Korean tournament, formally the Kuksu Mountains International Baduk Championship. There is both an international team tournament and an international pair go tournament.
L19 thread about its 3rd (2016) edition
See the Go to Everyone! section for information on the 2018 and 2019 editions, and on the 2021 preliminaries.
5th (2018): Park Junghwan d. Wang Yuanjun
6th (2019): Chen Yaoye d. Liao Yuanhe
It was not held in 2020. The 7th (2021) edition is apparently in the preliminary stage.