Kings Gambit Declined X Ray Attack in Chess

In the Kings Gambit Declined, the “x-ray attack” is a pressure motif where one piece attacks a target through an intervening piece or square line. A defining feature is that after 1.e4 e5 2.f4 exf4 3.Nf3 d5 (declining the gambit), Black often develops so a bishop or rook can “see through” a defender toward a critical point like e4, f4, or the king-side dark squares. The x-ray effect becomes tactical when the pinned/overloaded defender can’t respond without losing material or allowing a follow-up strike.