Robatsch (modern) defence
1. e4 g6 2. d4 Bg7 3. Nc3 d6
White pushes the king's pawn to e4. Black advances the g-pawn to g6. White plays the queen's pawn to d4.
Black develops the dark-squared bishop to g7. White develops the knight to c3. Black moves the queen's pawn to d6.