Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 c6 6. Bg2 d5 7. O-O a5 8. Nc3
Ne4 9. Qc2 Nxc3 10. Bxc3 Bxc3 11. Qxc3 Bg4 12. h3 Bxf3 13. Bxf3 e6 14. d3 Nd7
15. a3 Qf6 16. Qc2 Ne5 17. Bg2 h5 18. f4 Nd7 19. e4 Qd4+ 20. Kh2 Nc5 21. cxd5
cxd5 22. exd5 exd5 23. f5 Rac8 24. Rac1 h4 25. g4 g5 26. f6 b5 27. Rf5 Kh7 28.
Rxd5 Qf4+ 29. Kh1 Nxd3 30. Qxd3+ Kh6 31. Rf1 Rc1 32. Rf5 Rxf1+ 33. Qxf1 Qe3 34.
Qf3 Qc1+ 35. Kh2 Qc7+ 36. Kh1 Qc1+ 37. Qf1 Qe3 38. Rxb5 Rc8 39. Rd5 Rc1 40. Rd1
Rc2 41. Re1 Qxb3 42. Re8 Qd3 43. Be4 *
Position (FEN): 4R3/5p2/5P1k/p5p1/4B1Pp/P2q3P/2r5/5Q1K b - - 3 43
Black to move.
Themes: Hanging Piece Endgame Mate in 1 
Puzzle rating: 1127
Best move: Qxf1#