Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c3 Bg7 6. Bc4 e6 7. Be3 Nge7 8.
Nd2 a6 9. a4 O-O 10. O-O Rb8 11. b4 Ne5 12. f4 Nxc4 13. Nxc4 d5 14. Nd2 dxe4
15. Nxe4 Nd5 16. Bf2 b5 17. axb5 axb5 18. Nc6 Qc7 19. Nxb8 Qxb8 20. Qc2 Qxf4
21. Bc5 Ne3 22. Rxf4 Nxc2 23. Rc1 Bh6 24. Nf6+ Kg7 25. Bxf8+ Kxf8 26. Rxc2 Bxf4
27. g3 Be3+ 28. Kg2 Bb7+ 29. Kh3 Bc6 30. c4 Kg7 31. cxb5 Bxb5 32. Ng4 Bd4 33.
Kh4 h6 34. Nf2 f5 35. g4 f4 36. Ne4 Bd3 37. Rc7+ Kf8 38. Nc5 Bf6+ 39. Kh3 *
Position (FEN): 5k2/2R5/4pbpp/2N5/1P3pP1/3b3K/7P/8 b - - 7 39
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 919
Best move: Bf1#