Chess Opening Theory/1. e4/1...e5/2. d4/2...exd4/3. c3/3...dxc3/4. Bc4/4...cxb2/5. Bxb2/5...Nf6/6. e5/6...d5/7. exf6

Danish Gambit Accepted rd nd bd qd kd bd rd pd pd pd pd pd pd pl pd bl pl bl pl pl pl rl nl ql kl nl rl Danish Gambit Accepted, Classical Defence 7. exf6 Black will lose castling rights and have to play around a protected White pawn on g7 if she captures on c4 immediately. So instead she throws in 7...Bb4+. In responding to the check, White must either give up the dark-squared bishop, block the dark-squared bishop's diagonal, block the d-file, or forfeit castling rights herself. All of those are good things for Black!