Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 cxd4 7. cxd4 Rc8 8. Nc3
a6 9. O-O h6 10. a3 Na5 11. Be3 Nc4 12. Qe2 Ne7 13. Nd2 Nxb2 14. Nde4 Nxd3 *
Position (FEN): 2rqkb1r/1p1bnpp1/p3p2p/3pP3/3PN3/P1NnB3/4QPPP/R4RK1 w k - 0 15
White to move.
Themes:  Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 1166
Best move: Nd6#