Alekhine Defense Osullivan Gambit Hanging Piece in Chess

The alekhine defense osullivan gambit hanging piece motif appears in the Alekhine Defense after White plays the O'Sullivan Gambit, usually with an early g4 idea against Black's knight. The key feature is a piece left undefended or only lightly defended, so a tactical shot wins material immediately. In this opening, the hanging piece is often created by forcing moves that pull a defender away from the center or kingside.