Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. f4 Nc6 3. Bc4 e6 4. c3 d5 5. Bd3 c4 6. Bc2 d4 7. cxd4 Nxd4 8. Nf3
Nxc2+ 9. Qxc2 b5 10. O-O Bb7 11. e5 Bc5+ 12. Kh1 Ne7 13. Nc3 O-O 14. Nxb5 a6
15. Nc3 Nf5 16. Ng5 h6 17. Nf3 Bxf3 18. Rxf3 Nd4 19. Qd1 Nxf3 20. Qxf3 Qd3 21.
Qd1 Be3 22. Ne2 Bc5 23. a3 a5 24. Nc3 f6 25. Ne4 Bd4 26. Qe1 fxe5 27. Nf2 Bxf2
28. Qxf2 Rxf4 29. Qe1 Rf1+ 30. Qxf1 *
Position (FEN): r5k1/6p1/4p2p/p3p3/2p5/P2q4/1P1P2PP/R1B2Q1K b - - 0 30
Black to move.
Themes: Hanging Piece Endgame Mate in 1 
Puzzle rating: 400
Best move: Qxf1#