Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 e6 3. e3 Be7 4. Nf3 Nf6 5. Bd3 O-O 6. Nbd2 Nbd7 7. h4 b6 8. g4
Bb7 9. g5 Nh5 10. Ne5 Nxf4 11. exf4 Nxe5 12. fxe5 a5 13. Nf3 c5 14. h5 Bxg5 15.
Nxg5 Qxg5 16. Qe2 c4 17. Bxh7+ Kxh7 18. f3 Qf4 19. h6 gxh6 20. c3 Rg8 21. Kf2
Rg6 22. Qc2 Qg3+ 23. Ke3 Rg8 24. Rhg1 Qh4 25. Rg4 Qh5 26. Rag1 Kh8 27. Rxg6
Rxg6 28. Rxg6 fxg6 29. Qf2 b5 30. f4 Qh3+ 31. Ke2 Qd3+ 32. Ke1 Qb1+ 33. Ke2
Qxa2 34. Kf3 b4 35. Qh4 bxc3 36. Qf6+ Kh7 37. bxc3 Qd2 38. Qf7+ Kh8 39. Qf6+
Kg8 40. Qxe6+ Kf8 41. Qd6+ Kf7 42. Qf6+ Kg8 43. Qxg6+ Kf8 44. Qxh6+ Ke7 45.
Qd6+ Kf7 46. e6+ Kg7 47. Qd7+ Kf6 *
Position (FEN): 8/1b1Q4/4Pk2/p2p4/2pP1P2/2P2K2/3q4/8 w - - 3 48
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1097
Best move: Qf7#