Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 Bxc3+ 7. bxc3 O-O 8.
e3 Nbd7 9. Ne5 a5 10. a4 Qe8 11. Bd3 Nxe5 12. dxe5 Ne4 13. Qc2 c6 14. O-O Qd7
15. f3 Nc5 16. Be2 Qc7 17. f4 Ne4 18. Bf3 Qb6 19. Rfe1 Qa6 20. cxd5 cxd5 21.
Bxe4 dxe4 22. Qxe4 Bd7 23. Qf3 Rac8 24. Qg3 Rxc3 25. Bf6 g6 26. Be7 Re8 27. Bd6
Qc4 28. Qf3 Bc6 29. Qh3 Kh7 30. Qg3 Qe4 31. Ra2 Bxa4 32. h4 h5 33. Qf3 Qxf3 34.
gxf3 Bc6 35. Kf2 b6 36. Rb2 b5 37. Ra2 a4 38. Bb4 Rb3 39. Rc1 Bd5 40. Bd6 Rxe3
41. Kxe3 Bxa2 42. Rc7 Kg8 43. Kd4 Bd5 44. Kc5 a3 45. Kxb5 a2 46. Ra7 Rb8+ 47.
Kc5 Rb1 48. Ra8+ Kh7 49. Ra7 a1=Q 50. Rxf7+ Kh6 *
Position (FEN): 8/5R2/3Bp1pk/2KbP2p/5P1P/5P2/8/qr6 w - - 1 51
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 865
Best move: Bf8#