Chess puzzle (Checkmate)
Moves: 1. d4 c6 2. Nf3 d5 3. Nc3 e6 4. e4 dxe4 5. Nxe4 Nd7 6. Bd3 Ne7 *
Position (FEN): r1bqkb1r/pp1nnppp/2p1p3/8/3PN3/3B1N2/PPP2PPP/R1BQK2R w KQkq - 3 7
White to move.
Themes:  Opening Mate in 1, Smothered Mate 
Puzzle rating: 976
Best move: Nd6#