Sicilian - Smith-Morra gambit - Chicago defence
1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. O-O a6 8. Qe2 b5 9. Bb3 Ra7
White plays the king's pawn to e4. Black advances the c-pawn to c5. White advances the queen's pawn to d4.
Black captures on d4 with the c-pawn. White advances the c-pawn to c3. Black captures on c3 with the queen's pawn.
White develops the knight to c3. Black develops the knight to c6. White jumps the knight to f3.
Black advances the queen's pawn to d6. White develops the light-squared bishop to c4. Black plays the king's pawn to e6.
White castles kingside. Black advances the a-pawn to a6. White moves the queen to e2.
Black advances the b-pawn to b5. White moves the light-squared bishop to b3. Black moves the rook to a7.