Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_La_Bourdonnais_Variation
Moves: 1. e4 e6 2. f4 d5 3. e5 c5 4. Nf3 Ne7 5. Bb5+ Bd7 6. Bxd7+ Nxd7 7. Nc3 d4 8.
Ne4 Nf5 9. g4 Ne7 *
Position (FEN): r2qkb1r/pp1nnppp/4p3/2p1P3/3pNPP1/5N2/PPPP3P/R1BQK2R w KQkq - 1 10
White to move.
Themes:  Opening Mate in 1, Smothered Mate 
Puzzle rating: 807
Best move: Nd6#