White wasn't careful when messing with a Sicilian

1. e4 c5 2. Nf3 Nc6 { B30 Sicilian Defense: Old Sicilian } 3. Nc3 e6 4. a3 a6 5. Be2 Be7 6. d3 b5 7. Bf4 d6 8. h3 e5 9. Be3 h6 10. Nd5 Nf6 11. Nxe7 Qxe7 12. b4 Nd4 13. bxc5 dxc5 14. O-O g5 15. c3 Nxe2+ 16. Qxe2 g4 17. Nh4 gxh3 18. Nf5 Bxf5 19. exf5 hxg2 20. Kxg2 Qb7+ 21. Kh3 Rg8 22. f3 Qd7 23. Bxc5 Qxf5+ 24. Kh2 Qh5# { Black wins by checkmate. } 0-1