Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 h6 5. dxe5 dxe5 6. Qxd8+ Nxd8 7. Nxe5 Be6
8. O-O Nf6 9. Bxe6 Nxe6 10. Re1 Bd6 11. Nd3 Ng4 12. h3 Ne5 13. Nc3 O-O-O 14. f4
Nxd3 15. cxd3 Bc5+ 16. Be3 Rxd3 17. Bxc5 Nxc5 18. Rad1 Rhd8 19. Nd5 c6 20. Ne7+
Kc7 21. Rxd3 Nxd3 22. Rd1 Nxf4 23. Rxd8 Kxd8 24. Nf5 Nd3 25. Nxg7 Nxb2 26. Nf5
h5 27. Ng7 h4 28. Nf5 Nd3 29. Nxh4 Ke7 30. Nf3 Ke6 31. g4 Nf4 32. Kh2 f6 33.
Kg3 Ne2+ 34. Kf2 Nf4 35. h4 c5 36. h5 Kf7 37. e5 fxe5 38. Nxe5+ Kg7 39. Kf3 Ne6
40. Ke4 Kh6 41. Nf7+ Kg7 42. Nd6 b6 43. Kf5 Nf8 44. g5 a6 45. h6+ Kh7 46. Kf6
b5 47. Kf7 Ng6 48. Ne8 c4 49. Nf6+ Kh8 50. Kxg6 c3 51. Kf7 c2 52. g6 c1=Q *
Position (FEN): 7k/5K2/p4NPP/1p6/8/8/P7/2q5 w - - 0 53
White to move.
Themes: Advanced Pawn Endgame Mate in 1 
Puzzle rating: 623
Best move: g7#