King's Pawn Game Discovered Attack in Chess

The King’s Pawn Game Discovered Attack is a tactical motif where a piece on a line (often a bishop or rook) is revealed by a move, uncovering an attack on a more valuable target. In the King’s Pawn Game family, it commonly arises after early development around the kingside—e.g., after moves like 1.e4 e5 2.Nf3—when a supporting piece can “open” a line to the king, queen, or a pinned piece.