Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. a3 Bxc3+ 6. bxc3 b6 7. Nf3 Ba6 8. Bd3
Bxd3 9. cxd3 Nc6 10. a4 Na5 11. Ba3 Ne7 12. O-O O-O 13. Re1 Rfc8 14. Ng5 h6 15.
Nh3 c5 16. dxc5 bxc5 17. Nf4 c4 18. d4 Nb3 19. Ra2 a5 20. Bxe7 Qxe7 21. Qg4 Qg5
22. Qf3 Rab8 23. g3 Rb7 24. Rae2 Rcb8 25. h4 Qf5 26. g4 Qh7 27. Qg3 Kf8 28. Kg2
Ke7 29. Nh5 g6 30. Nf6 Qg7 31. f4 Rb6 32. Kh3 R8b7 33. Rf1 g5 34. hxg5 hxg5 35.
f5 Rb8 36. Ref2 Rh8+ 37. Kg2 Qh6 38. Nh5 exf5 39. Rxf5 Rf8 40. Rf6 Qh7 41. Qf3
Nd2 42. Qxd5 Nxf1 43. Kxf1 Qd3+ 44. Kg2 Rb2+ 45. Rf2 Rxf2+ 46. Kxf2 Qd2+ 47.
Kf3 Qxc3+ 48. Kg2 Rd8 49. Qc5+ Ke8 *
Position (FEN): 3rk3/5p2/8/p1Q1P1pN/P1pP2P1/2q5/6K1/8 w - - 4 50
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1218
Best move: Nf6#