Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 c6 6. O-O-O b5 7. f3 b4 8. Na4
Qa5 9. b3 Ba6 10. Kb1 Bxf1 11. Rxf1 Nbd7 12. Bh6 O-O 13. g4 c5 14. Bxg7 Kxg7
15. h4 h5 16. gxh5 Nxh5 17. Ne2 c4 18. Nf4 Nxf4 19. Qxf4 Nb6 20. Nxb6 axb6 21.
Kc1 c3 22. Kd1 Qxa2 23. Rh2 Qb2 24. h5 Ra1+ 25. Ke2 Qxc2+ 26. Ke3 Qxh2 27. Qxh2
Rxf1 28. h6+ Kh7 29. Qe2 Rb1 30. Qc2 Rb2 31. Qc1 Ra8 32. Kd3 Raa2 33. Kc4 Ra3
34. Kxb4 Raxb3+ 35. Kc4 c2 36. e5 dxe5 37. dxe5 b5+ 38. Kd4 b4 39. e6 f6 40. f4
Ra2 41. f5 gxf5 42. Qg1 Kxh6 43. Qh2+ Kg7 44. Qg2+ Kf8 45. Qg6 Rg3 *
Position (FEN): 5k2/4p3/4PpQ1/5p2/1p1K4/6r1/r1p5/8 w - - 6 46
White to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 1007
Best move: Qf7#