Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Qd5 Qe7 7. Nc3 Ngxe5 8.
Be2 d6 9. O-O Be6 10. Qd1 Nxc4 11. Nd4 N4e5 12. a3 O-O 13. b4 Bb6 14. b5 Na5
15. Bb2 Rad8 16. Nf3 Nec4 17. Bc1 Kh8 18. e4 Ne5 19. Nd4 c5 20. Nf5 Bxf5 21.
exf5 Qf6 22. g4 Nxg4 23. Nd5 Qxa1 24. Bxg4 Qd4 25. Qf3 Rfe8 26. Be3 Qe4 27.
Qxe4 Rxe4 28. Bf3 Re5 29. f6 Nc4 30. Bf4 Rf5 31. Bg4 Rxd5 32. h4 gxf6 33. Bh6
Re5 34. f3 f5 35. Bh5 Ne3 36. Re1 c4 37. Kh2 Ng4+ 38. fxg4 Rxe1 39. Bg5 Rde8
40. Bxf7 R8e2+ 41. Kg3 Bf2+ 42. Kf3 Bc5 *
Position (FEN): 7k/pp3B1p/3p4/1Pb2pB1/2p3PP/P4K2/4r3/4r3 w - - 5 43
White to move.
Themes:  Endgame Double Bishop Mate, Mate in 1 
Puzzle rating: 805
Best move: Bf6#