Chess puzzle (Checkmate)
Moves: 1. c4 d6 2. Nc3 c6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nd7 6. O-O Qc7 7. d4 e5 8. d5 a6
9. e4 c5 10. a3 Ngf6 11. Re1 h5 12. Qd3 b6 13. b4 Bh6 14. Bxh6 Rxh6 15. Rab1
Kf8 16. a4 Kg7 17. a5 cxb4 18. axb6 Nxb6 19. Rxb4 Nbd7 20. Reb1 Nc5 21. Qc2 Nh7
22. Na4 a5 23. Rb5 Nxa4 24. Qxa4 Bd7 25. Nd2 Bxb5 26. cxb5 Qb6 27. Nc4 Qd4 28.
Rd1 Qc5 29. b6 Rb8 30. Rb1 Nf6 31. Rb5 Qd4 32. Rxa5 Rxb6 33. Nxb6 Qxb6 34. Ra6
Qc5 35. Qc6 Ne8 36. Qxe8 Qc1+ 37. Bf1 h4 38. Qc6 Qg5 39. Qc3 hxg3 40. Qxg3 Qh5
41. Rxd6 f6 42. Re6 Kf7 43. Bc4 Qd1+ 44. Bf1 Rh5 45. Qd3 Rg5+ 46. Kh1 Qg4 47.
Qg3 Qd1 48. Qh3 Rh5 49. Qe3 *
Position (FEN): 8/5k2/4Rpp1/3Pp2r/4P3/4Q3/5P1P/3q1B1K b - - 15 49
Black to move.
Themes: Hanging Piece Endgame Mate in 1 
Puzzle rating: 677
Best move: Qxf1#