Lost KGA game

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Qxd5 5. Be2 Bc5 6. d4 Bb4+ 7. c3 Ba5 8. O-O Bg4 9. Bxf4 Nf6 10. c4 Qc6 11. d5 Bb6+ 12. Kh1 Qc5 13. Nc3 O-O 14. Na4 Qe7 15. Nxb6 axb6 16. Re1 Nh5 17. Qd4 Nxf4 18. Qxf4 Be6 19. dxe6 Qxe6 20. b3 Nc6 21. Nd4 Qe7 22. Bf3 Qc5 23. Nxc6 bxc6 24. Qxc7 Qf2 25. Qxc6 Rad8 26. Rf1 Qe3 27. Rae1 Qc3 28. Qxb6 Qb2 29. Qf2 Qa3 30. Bc6 Rd6 31. Bb5 Rh6 32. Qf3 Qd6 33. Re8 Qxh2# {White checkmated} 0-1



18. ..Be6 was obvious mistake.
31. I missed mate in 3 moves.