Chess puzzle (Checkmate)
Opening: Bishops_Opening, Bishops_Opening_Vienna_Hybrid
Moves: 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 h6 5. f4 Bc5 6. Nf3 d6 7. Qe2 Bg4 8. h3
Nd4 9. Qd1 Bxf3 10. gxf3 Nh5 11. fxe5 Qh4+ 12. Kd2 Qf2+ 13. Ne2 Nxf3+ 14. Kc3
Bd4+ 15. Nxd4 Qxd4+ 16. Kb3 Qb6+ 17. Kc3 Qa5+ 18. Kb3 *
Position (FEN): r3k2r/ppp2pp1/3p3p/q3P2n/2B1P3/1K1P1n1P/PPP5/R1BQ3R b kq - 5 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1036
Best move: Nd4#