Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. Qc2 d6 5. d4 cxd4 6. cxd4 Nxd4 *
Position (FEN): r1bqkb1r/pp2pppp/3p1n2/8/3nP3/5N2/PPQ2PPP/RNB1KB1R w KQkq - 0 7
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1849
Best move: Nxd4