Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O a6 5. Bxc6 bxc6 6. Qe2 d5 7. c3 d4 8. d3
Nf6 9. Bg5 Be7 10. Nbd2 O-O 11. a4 e5 12. Nxe5 Qc7 13. Ndc4 Be6 14. f4 Bxc4 15.
Nxc4 Ne8 16. Bxe7 Qxe7 17. e5 Nc7 18. Nd6 Qe6 19. c4 f6 20. Rae1 Rab8 21. Ne4
Qe7 22. exf6 gxf6 23. Qg4+ Kh8 24. Rf2 f5 25. Qf3 fxe4 26. Rxe4 Qf7 27. Re5 Ne6
28. Qxc6 Nxf4 29. Qxc5 Rxb2 30. Rxb2 Nxd3 31. Qxd4 *
Position (FEN): 5r1k/5q1p/p7/4R3/P1PQ4/3n4/1R4PP/6K1 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1209
Best move: Qf1#