Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. b4 Bb6 7. Bb2 Ne7 8. Nf3
O-O 9. c4 dxc4 10. Nbd2 a5 11. Nxc4 axb4 12. Qxd8 Bxd8 13. axb4 Rxa1+ 14. Bxa1
Na6 15. Bc3 Nd5 16. Bd2 Naxb4 17. Ne3 Bd7 18. Bc4 Nxe3 19. Bxe3 Nc2+ 20. Kd2
Nxe3 21. Kxe3 Bb6+ 22. Ke2 Bc6 23. Rb1 Bc5 24. Nd2 Rd8 25. Nb3 Bb4 26. f3 g5
27. Ke3 Kg7 28. h4 h6 29. hxg5 hxg5 30. g3 Rh8 31. f4 Rh3 32. fxg5 Rxg3+ 33.
Kf4 Rf3+ 34. Kg4 Rc3 35. Be2 Rc2 36. Nd4 Rxe2 37. Nxe2 Bd2 38. Nd4 Bd5 39. Nb5
Ba5 40. Nd6 b6 41. Nc8 Be4 42. Rb5 Bf5+ 43. Kf3 Bd2 44. Rxb6 Bxg5 45. Nd6 Bg6
46. Rb8 Bh5+ 47. Kg3 Bg6 48. Kg4 Be3 49. Ne8+ Kh6 50. Nf6 Bf5+ 51. Kh4 *
Position (FEN): 1R6/5p2/4pN1k/4Pb2/7K/4b3/8/8 b - - 13 51
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1704
Best move: Bf2#