Queens Gambit Declined Exchange Variation Pin in Chess

In the queens gambit declined exchange variation, after 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5, the typical pin motif appears when White develops pieces so that a black piece is forced to stay in line with the king. The “pin” is usually created by a bishop or queen targeting a piece that cannot move without exposing the king (often along a diagonal or file). For an intermediate player, the defining feature is that the exchanged pawn structure has opened lines, making pins tactical rather than just positional.