Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. c3 e5 7. d3 Nf6 8. Bg5
Be7 9. Nbd2 O-O 10. Qe2 Nh5 11. Bxe7 Qxe7 12. h3 Nf4 13. Qe3 Bxf3 14. Nxf3 f5
15. exf5 Rxf5 16. d4 e4 17. Ne5 Qg5 18. g4 cxd4 19. cxd4 Nd5 20. Qg3 Nf4 21.
Kh2 Ne2 22. Qb3+ Kh8 23. gxf5 Qf4+ 24. Kh1 Nxd4 25. Nf7+ Kg8 26. Nh6+ Kh8 27.
Qg8+ Rxg8 *
Position (FEN): 6rk/1p4pp/p1p4N/5P2/3npq2/7P/PP3P2/R4R1K w - - 0 28
White to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 871
Best move: Nf7#