Chess puzzle (Checkmate)
Moves: 1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. Bc4 Bc5 5. d3 O-O 6. Be3 Bxe3 7. fxe3 d6 8.
O-O Bg4 9. Qe1 a6 10. a3 b5 11. Ba2 Rb8 12. Qg3 h6 13. Nd5 Bxf3 14. Nxf6+ Qxf6
15. Rxf3 Qe7 16. Qg6 b4 17. Rg3 Qg5 18. Rxg5 hxg5 19. Qxg5 bxa3 20. Bd5 axb2
21. Rb1 Nd8 22. Bb3 a5 23. Rxb2 a4 24. Qe7 axb3 25. Rxb3 Ne6 26. Kf2 Rbe8 27.
Qd7 Rd8 28. Qc6 Rc8 29. c3 Nc5 30. Ra3 Nxd3+ 31. Ke2 Nc5 32. Ra7 Ne6 33. h4 g6
34. g4 Kg7 35. Kf3 Rh8 36. Kg3 Rhg8 37. Ra1 Rb8 38. Rf1 Rh8 39. Qd7 Rhf8 40. g5
Nc5 41. Qg4 c6 42. Qf3 Rb3 43. Qf6+ Kg8 44. Kf3 d5 45. exd5 e4+ 46. Kg4 cxd5
47. h5 gxh5+ 48. Kxh5 Ne6 49. g6 fxg6+ 50. Qxg6+ Ng7+ 51. Kh6 Rxf1 *
Position (FEN): 6k1/6n1/6QK/3p4/4p3/1rP1P3/8/5r2 w - - 0 52
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 988
Best move: Qxg7#