Queen's Gambit Declined Marshall Defense (1.d4 d5 2.c4 Nf6 / 1.d4 d5 2.c4 Nf6 3.cxd5 c6) Chess Puzzles

The Queen's Gambit Declined Marshall Defense is a chess opening that arises after 1.d4 d5 2.c4 Nf6. This defense is a variation of the Queen's Gambit Declined, where Black aims to maintain a solid pawn structure while developing pieces harmoniously.