Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bd3 Qxd4 6. Nf3 Qd8 7. Qe2 Bg4 8.
O-O Nbd7 *
Position (FEN): r2qkb1r/pp1npppp/2p2n2/8/4N1b1/3B1N2/PPP1QPPP/R1B2RK1 w kq - 6 9
White to move.
Themes: Pin Opening Mate in 1, Smothered Mate 
Puzzle rating: 1378
Best move: Nd6#