Neo-Gruenfeld - 6.O-O - main line
1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. O-O c6 7. cxd5 cxd5
White plays the queen's pawn to d4. Black develops the knight to f6. White moves the c-pawn to c4.
Black plays the g-pawn to g6. White pushes the g-pawn to g3. Black pushes the queen's pawn to d5.
White develops the light-squared bishop to g2. Black develops the dark-squared bishop to g7. White develops the knight to f3.
Black castles kingside. White castles kingside. Black pushes the c-pawn to c6.
White captures on d5 with the c-pawn. Black captures on d5 with the c-pawn.