Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 a6 5. Nf3 Nc6 6. a3 cxd4 7. cxd4 b5 8. b4 Bb7
9. Nbd2 Qb6 10. Nb3 a5 11. Bd2 a4 12. Nc5 Nge7 13. Bd3 Bc8 14. Qe2 h6 15. Bxb5
Ng6 16. Rc1 Bxc5 17. dxc5 Qc7 18. Bc3 O-O 19. g3 Rb8 20. Bd3 Rd8 21. Bxg6 fxg6
22. Nd4 Rf8 23. Nxc6 Qxc6 24. Bd4 Ba6 25. Qg4 Kh7 26. h4 h5 27. Qg5 Rf5 28. Qd2
Rbf8 29. f4 Rc8 30. Rb1 Qb5 31. Rh2 *
Position (FEN): 2r5/6pk/b3p1p1/1qPpPr1p/pP1B1P1P/P5P1/3Q3R/1R2K3 b - - 4 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1024
Best move: Qf1#