Queens Gambit Declined Orthodox Defense X Ray Attack in Chess

In the Queens Gambit Declined Orthodox Defense, the X Ray Attack is a tactical motif where one piece attacks a target through an intervening piece or pawn. A defining feature is the typical central setup after moves like 1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 Be7, where lines open for bishops/queens to “see through” a blocker. The attack often becomes decisive when the pinned or overloaded piece can’t move without losing material or allowing a follow-up capture.