Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bb3 *
Position (FEN): r1bqkb1r/ppp2ppp/2n5/3pp3/4N3/1B3N2/PPPP1PPP/R1BQK2R b KQkq - 1 6
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1164
Best move: dxe4