Queen's Gambit Declined - exchange - positional line - 6.Qc2

White advances the queen's pawn to d4. Black pushes the queen's pawn to d5. White plays the c-pawn to c4.

Black advances the king's pawn to e6. White develops the knight to c3. Black develops the knight to f6.

White captures on d5 with the c-pawn. Black captures on d5 with the king's pawn. White develops the dark-squared bishop to g5.

Black pushes the c-pawn to c6. White deploys the queen to c2.