mirror go (as black)
A Go opening strategy where Black symmetrically copies White's moves, starting with the center point (tengen). Used as a psychological or experimental tactic.
Mirror go is a strategy where Black plays tengen and then mimics the opponent's moves.
太閤 (Taikō, a title for Toyotomi Hideyoshi) + 碁 (go). The name likely references Hideyoshi's fondness for Go, but the exact origin of the term is uncertain.