Noun
goban (countable and uncountable, plural goban)
(board games) Alternative form of gobang (“strategy game”)
(board games) Alternative form of gobang (“board for playing go”)
Ugwu was promoted from the rank of Warrant Officer to Master Warrant Officer while Goban was promoted from the rank of Corporal to Sergeant and Yesif from the rank of Private to Lance Corporal. Source: Internet