Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. c4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nge2 c5 7. O-O Nc6 8. d3
a6 9. h3 Bd7 10. Be3 Qc8 11. Kh2 Rb8 12. a4 Ne5 13. f4 Neg4+ 14. hxg4 Nxg4+ 15.
Kg1 Nxe3 16. Nd5 Nxd1 17. Nxe7+ Kh8 18. Nxc8 Ne3 19. Nb6 Bg4 20. Rf2 Bxb2 21.
Rb1 Bg7 22. Bf3 Be6 23. Nc1 f5 24. exf5 Bxf5 25. Re2 Bd4 26. Kh1 Ng4 27. Bxg4
Bxg4 28. Re7 Bf3+ 29. Kh2 Rf5 30. g4 Bxg4 31. Kg3 Bh5 32. Nb3 Bf6 33. Re6 g5
34. Nd7 gxf4+ 35. Kh2 Be5 36. Nxb8 f3+ 37. Kh3 f2 38. Nd2 Rg5 39. Rxb7 Rg1 40.
Ree7 Bg4+ 41. Kh4 *
Position (FEN): 1N5k/1R2R2p/p2p4/2p1b3/P1P3bK/3P4/3N1p2/6r1 b - - 4 41
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1175
Best move: Bf6#