Sicilian - dragon - classical - 9.Nb3
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3
White moves the king's pawn to e4. Black plays the c-pawn to c5. White develops the knight to f3.
Black plays the queen's pawn to d6. White advances the queen's pawn to d4. Black captures on d4 with the c-pawn.
White captures with the knight on d4. Black develops the knight to f6. White transfers the knight to c3.
Black advances the g-pawn to g6. White develops the dark-squared bishop to e3. Black develops the dark-squared bishop to g7.
White places the light-squared bishop to e2. Black moves the knight to c6. White castles kingside.
Black castles kingside. White transfers the knight to b3.