Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nd2 Bb7 5. Ngf3 d5 6. h3 Nbd7 7. Bd3 Be7 8. c3
Rc8 9. Ne5 c5 10. Qf3 h6 11. g4 g5 12. Bg3 Nxe5 13. Bxe5 Rg8 14. h4 gxh4 15.
Rxh4 Nd7 16. Rxh6 Nxe5 17. dxe5 Qc7 18. Rh7 Bg5 19. Qg3 d4 20. Ne4 Be7 21. exd4
cxd4 22. cxd4 Bxe4 23. Bxe4 Qc4 24. Qd3 Qb4+ 25. Qd2 Qxd2+ 26. Kxd2 Rxg4 27.
Rh8+ Kd7 28. Rxc8 Kxc8 29. Rc1+ Kd7 30. Bc6+ Kd8 31. Kd3 Rf4 32. Rc2 Bh4 33.
Ke3 Bg5 34. Kd3 f6 35. Re2 Ke7 36. exf6+ Bxf6 37. d5 Rd4+ 38. Kc2 e5 39. Kc3
Kd6 40. Kb3 Bg5 41. Rc2 Bf4 42. Ba8 Rd3+ 43. Ka4 Rd4+ 44. Kb5 Bd2 45. Rc6+ Kxd5
*
Position (FEN): B7/p7/1pR5/1K1kp3/3r4/8/PP1b1P2/8 w - - 0 46
White to move.
Themes: Discovered Attack Endgame Mate in 1 
Puzzle rating: 1824
Best move: Rf6#