Queen's Gambit Declined - Alekhine variation
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e4
White plays the queen's pawn to d4. Black pushes the queen's pawn to d5. White plays the c-pawn to c4.
Black pushes 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 moves the knight to d7. White jumps the knight to f3.
Black moves the c-pawn to c6. White plays the king's pawn to e4.