Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. c3 Bg7 12. exf5 Bxf5 13. Nc2 O-O 14. Nce3
Bg6 15. g3 f5 16. Bg2 f4 17. Nc2 f3 18. Bh3 a5 19. Nce3 b4 20. c4 Nd4 21. O-O
Qg5 22. Re1 Ne2+ 23. Kh1 Qh6 24. Bf1 Nxg3+ 25. fxg3 f2 26. Re2 Be4+ 27. Bg2
Bxg2+ 28. Nxg2 f1=Q+ 29. Qxf1 Rxf1+ 30. Rxf1 Re8 31. b3 Qh5 32. Ref2 Qg4 33.
Nh4 a4 34. Rf7 Qe4+ 35. Kg1 Qd4+ 36. Kh1 e4 37. R7f4 axb3 38. axb3 Qd3 39. Nf5
Qxb3 40. Rg4 Qxc4 41. Rxg7+ Kh8 42. Nf6 *
Position (FEN): 4r2k/6Rp/3p1N2/5N2/1pq1p3/6P1/7P/5R1K b - - 2 42
Black to move.
Themes: Hanging Piece Endgame Mate in 1 
Puzzle rating: 615
Best move: Qxf1#