Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Schmidt_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. c4 d6 6. Nc3 Be7 7. Bd3 *
Position (FEN): r1bqk2r/ppp1bppp/2np1n2/8/2PNP3/2NB4/PP3PPP/R1BQK2R b KQkq - 3 7
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 996
Best move: Nxd4