Queen's Gambit Declined
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3
White advances the queen's pawn to d4. Black pushes the queen's pawn to d5. White moves 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 develops the dark-squared bishop to g5. Black transfers the knight to d7. White plays the king's pawn to e3.
Black moves the c-pawn to c6. White moves the knight to f3.