Gruenfeld - Gruenfeld gambit - Botvinnik variation
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Rc1 c5 7. dxc5 Be6
White moves the queen's pawn to d4. Black develops the knight to f6. White advances the c-pawn to c4.
Black pushes the g-pawn to g6. White develops the knight to c3. Black pushes the queen's pawn to d5.
White develops the dark-squared bishop to f4. Black develops the dark-squared bishop to g7. White plays the king's pawn to e3.
Black castles kingside. White deploys the rook to c1. Black plays the c-pawn to c5.
White captures on c5 with the queen's pawn. Black places the light-squared bishop to e6.