Chess puzzle (Advantage)
Opening: Vienna_Game, Vienna_Game_Stanley_Variation
Moves: 1. e4 e5 2. Nc3 Nf6 3. Bc4 d5 4. Nf3 *
Position (FEN): rnbqkb1r/ppp2ppp/5n2/3pp3/2B1P3/2N2N2/PPPP1PPP/R1BQK2R b KQkq - 1 4
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1399
Best move: dxc4