Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O a6 5. Ba4 Bd6 6. Nc3 O-O 7. d4 b5 8. Bb3
exd4 9. Nxd4 Na5 10. Re1 Be5 11. Bg5 Nxb3 12. axb3 Bb7 13. f4 Bxd4+ 14. Qxd4 c6
15. e5 h6 16. exf6 hxg5 17. fxg7 Re8 18. Re3 Rxe3 19. Qxe3 Qf6 20. fxg5 Qxg7
21. Rf1 d6 22. Qe7 Bc8 23. Rxf7 Qxf7 24. Qxd6 Bd7 25. Ne4 Rf8 26. Nf6+ Kh8 27.
Qxd7 Qxd7 28. Nxd7 Rd8 29. Nc5 Rd2 30. c4 bxc4 31. bxc4 Rxb2 32. Nxa6 Ra2 33.
Nc5 Ra5 34. Ne6 Ra4 35. h4 Rxc4 36. g3 Rg4 37. Kf2 Kg8 38. Kf3 Ra4 39. g6 Ra3+
40. Kg4 Ra4+ 41. Kf5 Ra5+ 42. Kf6 c5 43. h5 c4 44. h6 c3 45. h7+ Kh8 46. Ng5
Ra6+ 47. Kf7 Ra7+ 48. Kf6 Rxh7 49. gxh7 c2 50. Kg6 c1=Q *
Position (FEN): 7k/7P/6K1/6N1/8/6P1/8/2q5 w - - 0 51
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 648
Best move: Nf7#