Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nc3 g6 3. Bc4 Bg7 4. d3 a6 5. Nf3 e6 6. h3 Ne7 7. Bg5 f6 8. Bh4 b5
9. Bb3 O-O 10. O-O h6 11. Nh2 Kh7 12. f4 d5 13. exd5 exd5 14. a3 c4 15. Ba2 Bb7
16. Qf3 Nbc6 17. Rad1 Nd4 18. Qf2 Ndf5 19. dxc4 Nxh4 20. Qxh4 Nf5 21. Qf2 d4
22. g4 Ne3 23. cxb5 Nxf1 24. Nxf1 f5 25. bxa6 Bxa6 26. Ne2 Bxe2 27. Qxe2 Re8
28. Qf2 Qb6 29. Bb3 Rad8 30. Rd3 Qc7 31. gxf5 gxf5 32. Ng3 Qa5 33. Kg2 Re7 34.
Nh5 Rde8 35. Nxg7 Re2 36. Nxf5 Rxf2+ 37. Kxf2 Qe1+ 38. Kf3 Qe2+ 39. Kg3 Qe1+
40. Kf3 Qf1+ 41. Kg4 Qg2+ 42. Kh4 Qf2+ 43. Rg3 Qxf4+ 44. Rg4 Qxf5 45. Bc4 Re4
46. Bd3 Qg5+ 47. Kg3 Qe3+ 48. Kh4 Qf2+ 49. Kh5 Qf7+ 50. Kh4 Qf6+ 51. Kh5 Qe5+
52. Kh4 Kh8 53. Rxe4 *
Position (FEN): 7k/8/7p/4q3/3pR2K/P2B3P/1PP5/8 b - - 0 53
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 852
Best move: Qg5#