Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. d4 e6 3. e5 c5 4. c3 a6 5. Nf3 h6 6. Bf4 Ne7 7. Qc2 Ng6 8. Bg3 c4
9. Nbd2 Be7 10. O-O-O b5 11. h3 Nc6 12. a3 a5 13. b4 axb4 14. axb4 Qb6 15. Nb1
Ra6 16. Kd2 Qa7 17. Ke1 Ra2 18. Qc1 Bd8 19. Nfd2 Bg5 20. Be2 Nf4 21. Bxf4 Bxf4
22. g3 Bg5 23. h4 Be7 24. Kf1 O-O 25. Kg2 f5 26. g4 fxg4 27. Bxg4 Nxe5 28. dxe5
Qxf2+ 29. Kh3 Qe3+ 30. Nf3 Rxf3+ 31. Bxf3 *
Position (FEN): 2b3k1/4b1p1/4p2p/1p1pP3/1Pp4P/2P1qB1K/r7/1NQR3R b - - 0 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 625
Best move: Qxf3#