Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. d4 exd4 5. Nxd4 Nf6 6. Nc3 c6 7. O-O O-O 8.
Bd3 Bg4 9. Nde2 b5 10. h3 Bh5 11. g4 Bg6 12. Nf4 Qb6 13. Be3 Qc7 14. Nxg6 fxg6
15. a4 b4 16. Ne2 Nbd7 17. Nf4 Ne5 18. Ne6 Qd7 19. Nxf8 Rxf8 20. Be2 h5 21.
gxh5 gxh5 22. Bxh5 Qxh3 23. Be2 Nfg4 24. Bxg4 Nxg4 25. Re1 Qh2+ 26. Kf1 Rxf2+
27. Bxf2 *
Position (FEN): 6k1/p3b1p1/2pp4/8/Pp2P1n1/8/1PP2B1q/R2QRK2 b - - 0 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 853
Best move: Qxf2#