Queens Gambit Declined Marshall Defense Skewer in Chess

The queens gambit declined marshall defense skewer is a tactical motif in the QGD where Black’s setup allows a skewer against a piece on a line (often involving the queen and a more valuable piece behind it). In practice, you’ll see a defining feature: a piece is pinned/skewered along a rank, file, or diagonal so the front target must move, revealing the attack on the back target. It arises from the Marshall Defense structure within the QGD family, where piece placement makes long-range lines decisive.