Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Bf5 3. Nbd2 Nf6 4. e3 Nc6 5. c3 e6 6. Qb3 Na5 7. Qa4+ c6 8. b4
Nc4 9. b5 Nb6 10. Qb3 Bd6 11. bxc6 bxc6 12. a4 O-O 13. a5 Nbd7 14. c4 Rb8 15.
Qa4 Qc7 16. c5 Be7 17. Be2 e5 18. O-O e4 19. Ne1 Ng4 20. f4 exf3 21. Ndxf3 Be4
22. a6 Bxf3 23. Nxf3 Bg5 24. Bd2 Bxe3+ 25. Bxe3 Nxe3 26. Rf2 f5 27. Qa3 f4 28.
Ng5 Rbe8 29. Bd3 Nf6 30. Rb1 Ne4 31. Rb7 Qd8 32. Nxe4 dxe4 33. Be2 f3 34. gxf3
Qg5+ 35. Kh1 exf3 36. Qa2+ Kh8 37. Bxf3 Rxf3 38. Rxf3 Nd5 39. Qf2 Qc1+ 40. Kg2
Qg5+ 41. Rg3 Qh6 42. Rbxg7 Nf4+ 43. Kh1 Nh5 44. Rh3 Qc1+ 45. Kg2 Nf4+ 46. Qxf4
Qxf4 *
Position (FEN): 4r2k/p5Rp/P1p5/2P5/3P1q2/7R/6KP/8 w - - 0 47
White to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 850
Best move: Rhxh7#