Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. c3 Nf6 6. a3 a5 7. Nbd2 O-O 8. Nb3
Ba7 9. Bb5 d5 10. Bxc6 bxc6 11. Nxa5 Qd6 12. O-O Bxf2+ 13. Rxf2 Rxa5 14. b4 Ra8
15. Bb2 dxe4 16. dxe4 Nxe4 17. Rf1 Qg6 18. Nxe5 Qg5 19. Nxc6 Bh3 20. Qe2 Rfe8
21. Qf3 Bg4 22. Qxf7+ Kh8 23. Qxc7 Qe3+ 24. Kh1 Nf2+ 25. Kg1 Nh3+ 26. Kh1 Qg1+
27. Rxg1 *
Position (FEN): r3r2k/2Q3p1/2N4p/8/1P4b1/P1P4n/1B4PP/R5RK b - - 0 27
Black to move.
Themes:  Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 896
Best move: Nf2#