The Evans Gambit is a very aggressive line in the Giuoco Piano that has yet to be refuted. I think it is white’s best continuation in the Giuoco Piano and gives white lots of fighting opportunities throughout the game.
Part 2
http://www.youtube.com/watch?v=Cdl1rKSDa9M
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Chess Software used in the video can be found at http://www.chesscentral.com and http://www.chessok.com