Queens Pawn Game Accelerated London System X Ray Attack in Chess

In the queens pawn game accelerated london system, White often reaches a setup with pawns on d4 and c4 plus a quick development that resembles a London structure. The “x ray attack” motif appears when a long-range piece (typically a bishop on the c1–g5 or f4–d6 lines, or a queen along a file/diagonal) attacks a defended piece through an intervening piece. The defining feature is that the x-ray line becomes active right after a tactical move or exchange that reveals the hidden attacker.