Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Bf5 3. Bg5 Nc6 4. e3 Qc8 5. Bd3 Bxd3 6. cxd3 e6 7. Nbd2 Be7 8.
Bf4 Bf6 9. O-O Nge7 10. Rc1 O-O 11. a3 Ng6 12. Bg3 Re8 13. b4 a6 14. a4 e5 15.
dxe5 Ngxe5 16. d4 Nxf3+ 17. Nxf3 Re7 18. b5 axb5 19. axb5 Na5 20. Ne5 c6 21.
bxc6 bxc6 22. Qc2 Bxe5 23. Bxe5 Nc4 24. Bg3 Rea7 25. Rb1 Ra2 26. Qb3 Nd2 27.
Qb7 Nxb1 28. Qxc8+ Rxc8 29. Rxb1 Rca8 30. h4 Ra1 31. Rf1 Rxf1+ 32. Kxf1 Ra2 33.
Bd6 f6 34. g4 Kf7 35. Kg2 Ke6 36. Bc5 g6 37. Kf3 h5 38. gxh5 gxh5 39. Kg3 Kf5
40. Kf3 Ra1 41. Kg2 Kg4 42. Be7 f5 *
Position (FEN): 8/4B3/2p5/3p1p1p/3P2kP/4P3/5PK1/r7 w - - 0 43
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 727
Best move: f3#