Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Bg4
8. Qb3 e6 9. Qxb7 Qc8 10. Ba6 Qxb7 11. Bxb7 Rb8 12. Bxc6+ Kd8 13. b3 Bd6 14. h3
Bf5 15. Nf3 Rc8 16. Ba4 Rxc3 17. Bd2 Rc8 18. Ba5+ Ke7 19. O-O Nd5 20. Ne5 Bxe5
21. dxe5 f6 22. exf6+ gxf6 23. Rac1 Bd3 24. Rfd1 Be2 25. Re1 Ba6 26. Bc6 Nf4
27. Bb4+ Kf7 28. Bf3 Nd3 29. Rxc8 Rxc8 30. Re4 e5 31. Ba3 Bb5 32. Rh4 Rh8 33.
Bd5+ Kg6 34. Rg4+ Kf5 35. Rg7 a6 36. f3 h5 37. Be4+ Kf4 38. Bxd3 Bxd3 39. Kf2
Rc8 40. g3+ Kf5 41. Ke3 Bf1 42. g4+ hxg4 43. hxg4+ Ke6 44. Ke4 Re8 45. Rb7 Bb5
46. Rb6+ Kf7 47. Kf5 *
Position (FEN): 4r3/5k2/pR3p2/1b2pK2/6P1/BP3P2/P7/8 b - - 8 47
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 812
Best move: Bd3#