Back door

1. e4 f5 { Duras Gambit, General } 2. e5 e6 3. f4 g6 4. Nf3 h5 5. d4 d5 6. exd6 cxd6 7. Nc3 d5 8. Bb5+ Nc6 9. Ne5 a6 10. Nxc6 bxc6 11. Bxc6+ Bd7 12. Bxa8 Qxa8 13. Be3 Qb8 14. Rb1 Bb4 15. O-O Bxc3 16. bxc3 Qa7 17. Rf3 Ke7 18. Rg3 Kf7 19. Rg5 h4 20. Bf2 h3 21. Qf3 hxg2 22. Rxg2 Nh6 23. Qg3 Rc8 24. Qxg6+ Ke7 25. Qg7+ Nf7 26. Bh4+ Kd6 27. Qxf7 Re8 28. Qg7 e5 29. Rg6+ Kc7 30. fxe5 Kc8 31. e6 Qc7 32. Bg3 Qd8 33. Rb8# { Black is checkmated } 1-0