Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Four_Knights_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 a6 7. Qe2 *
Position (FEN): r1bqkb1r/1p1p1ppp/p1n1pn2/6B1/3NP3/2N5/PPP1QPPP/R3KB1R b KQkq - 1 7
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 908
Best move: Nxd4