Gruenfeld - exchange - classical variation
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4
White moves the queen's pawn to d4. Black develops the knight to f6. White plays the c-pawn to c4.
Black moves the g-pawn to g6. White develops the knight to c3. Black advances the queen's pawn to d5.
White captures on d5 with the c-pawn. Black captures with the knight on d5. White plays the king's pawn to e4.
Black captures with the knight on c3. White captures on c3 with the b-pawn. Black develops the dark-squared bishop to g7.
White develops the light-squared bishop to c4.