Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nf6 5. Bg2 d5 6. Nbd2 Be7 7. O-O O-O 8. Re1
b5 9. e5 Nd7 10. Nf1 a5 11. h4 b4 12. Bf4 Ba6 13. N1h2 a4 14. a3 Qa5 15. Ng5 h6
16. Qh5 Nd4 17. Ng4 hxg5 18. hxg5 Rfb8 19. Nf6+ Nxf6 20. exf6 g6 21. Qh6 Bf8
22. Qh3 bxa3 23. bxa3 Re8 24. Kh2 Bc8 25. Rh1 e5 26. g4 Ne2 27. Bg3 Qd2 28. Qh4
e4 29. dxe4 dxe4 30. Rae1 Nxg3 31. fxg3 e3 32. Kh3 Rb8 33. Bf3 Rb2 34. Re2 Rxc2
35. Rxd2 Rxd2 36. Re1 c4 37. Be2 c3 38. Bc4 Be6 39. Rxe3 Bxc4 40. Rxe8 *
Position (FEN): 4Rbk1/5p2/5Pp1/6P1/p1b3PQ/P1p3PK/3r4/8 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1278
Best move: Bf1#