Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 e6 5. Nc3 d5 6. a3 dxe4 7. Nxe4 f5 8. Nc3
Qxd4 9. Be2 Nf6 10. Nf3 Qb6 11. O-O Bd7 12. b4 a6 13. Na4 Qc7 14. Be3 Nd5 15.
Bc5 Bxc5 16. Nxc5 Nc3 17. Qc2 Nxe2+ 18. Qxe2 O-O 19. Rac1 Qd6 20. Rfd1 Qf4 21.
Nxd7 Rfd8 22. Qxe6+ Kh8 23. Nfe5 Nxe5 24. Nxe5 Re8 25. Nf7+ Kg8 26. Nh6+ Kh8
27. Qg8+ Rxg8 *
Position (FEN): r5rk/1p4pp/p6N/5p2/1P3q2/P7/5PPP/2RR2K1 w - - 0 28
White to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 831
Best move: Nf7#