Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 d6 6. d4 c5 7. Bg2 Nc6 8. O-O
cxd4 9. Nxd4 Bd7 10. Nc2 Qc8 11. Nc3 Bh3 12. Ne3 Bxg2 13. Kxg2 Ne4 14. Qc2 Nxc3
15. Bxc3 Nd4 16. Qb2 Qc6+ 17. f3 Ne6 18. Nd5 Rfe8 19. Bxg7 Nxg7 20. Rad1 Rad8
21. Rd3 Rc8 22. a4 a6 23. a5 Ne6 24. h4 h5 25. Re3 Qc5 26. Qd2 Rcd8 27. Rd1 Rd7
28. Qd3 Nc7 29. Nf4 Kg7 30. Qc3+ f6 31. Qd3 f5 32. Qc3+ e5 33. Nd5 Nxd5 34.
Rxd5 Qc6 35. Red3 Red8 36. f4 Kh6 37. fxe5 dxe5 38. Qxe5 Rxd5 39. Rxd5 Re8 40.
Qf4+ Kh7 41. Kf2 Qe6 42. e3 Qf6 43. Kf3 Qc6 44. Ke2 Qe6 45. Rd3 Re7 46. Qd6 Qf7
47. Qf4 Qf6 48. Rd2 Qc3 49. Rd3 Qxa5 50. Qd6 Rg7 51. c5 Qa2+ 52. Kf3 Qb1 53.
Qd4 *
Position (FEN): 8/1p4rk/p5p1/2P2p1p/3Q3P/1P1RPKP1/8/1q6 b - - 4 53
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 805
Best move: Qf1#