Gruenfeld - Schlechter variation
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 c6
White moves the queen's pawn to d4. Black develops the knight to f6. White moves the c-pawn to c4.
Black advances the g-pawn to g6. White develops the knight to c3. Black advances the queen's pawn to d5.
White jumps the knight to f3. Black moves the c-pawn to c6.