Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_La_Bourdonnais_Variation
Moves: 1. e4 e6 2. f4 c6 3. Nf3 d5 4. e5 c5 5. d4 cxd4 6. Nxd4 Bd7 7. Be3 Nc6 8. Nd2
Nge7 9. c4 dxc4 10. Nxc4 Nxd4 *
Position (FEN): r2qkb1r/pp1bnppp/4p3/4P3/2Nn1P2/4B3/PP4PP/R2QKB1R w KQkq - 0 11
White to move.
Themes:  Opening Mate in 1, Smothered Mate 
Puzzle rating: 1336
Best move: Nd6#