Ochoa de Echaguen, Francisco Javier vs Mammola

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 b5 7. Bg2 Bb7 8. O-O Nc6 9. Re1 d6 10. a4 b4 11. Nd5 Qa5 12. Qh5 exd5 13. Nxc6 Bxc6 14. exd5+ Be7 15. Qg4 Nf6 16. Qxg7