Chess puzzle (Checkmate)
Opening: Dutch_Defense, Dutch_Defense_Blackmars_Second_Gambit
Moves: 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 e6 6. Bg5 c5 7. Bc4 Be7 8.
O-O O-O 9. Bxf6 Bxf6 10. d5 Bxc3 11. bxc3 exd5 12. Qxd5+ Kh8 13. Ng5 Nc6 14.
Qg8+ Rxg8 *
Position (FEN): r1bq2rk/pp1p2pp/2n5/2p3N1/2B5/2P5/P1P3PP/R4RK1 w - - 0 15
White to move.
Themes:  Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 890
Best move: Nf7#