Chess puzzle (Checkmate)
Opening: Scandinavian_Defense, Scandinavian_Defense_Modern_Variation
Moves: 1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. dxc3 Nc6 7. Nh3 Ne5
8. Qe4 Nxc4 9. Qxc4 Bd6 10. Bf4 e5 11. Ng5 Qd7 12. Be3 O-O 13. Qe4 Qf5 14.
O-O-O f6 15. Qd5+ Kh8 16. Nf7+ Kg8 17. Nh6+ Kh8 18. Qg8+ Rxg8 *
Position (FEN): r1b3rk/ppp3pp/3b1p1N/4pq2/8/2P1B3/PPP2PPP/2KR3R w - - 0 19
White to move.
Themes:  Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 1057
Best move: Nf7#