Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. h3 *
Position (FEN): r1bqkb1r/pp2pppp/2np1n2/8/3NP3/3B3P/PPP2PP1/RNBQK2R b KQkq - 0 6
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 990
Best move: Nxd4