King's Indian - accelerated Averbakh system
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5
White pushes the queen's pawn to d4. Black develops the knight to f6. White advances the c-pawn to c4.
Black advances the g-pawn to g6. White develops the knight to c3. Black develops the dark-squared bishop to g7.
White plays the king's pawn to e4. Black plays the queen's pawn to d6. White develops the dark-squared bishop to g5.