Queen's Indian - Averbakh variation
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5 6. O-O Be7 7. b3 O-O 8. Bb2 cxd4 9. Nxd4
White pushes the queen's pawn to d4. Black develops the knight to f6. White moves the c-pawn to c4.
Black plays the king's pawn to e6. White develops the knight to f3. Black plays the b-pawn to b6.
White pushes the king's pawn to e3. Black develops the light-squared bishop to b7. White develops the light-squared bishop to d3.
Black advances the c-pawn to c5. White castles kingside. Black places the dark-squared bishop to e7.
White pushes the b-pawn to b3. Black castles kingside. White deploys the dark-squared bishop to b2.
Black captures on d4 with the c-pawn. White captures with the knight on d4.