Middlegame puzzle-Study in Evans Gambit

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Avatar of albephen-einhawkstein
Here is a position that I reach when I played against the computer Smallfish (mobile version for Stockfish). I found the ideea interesant, so I post it. If you have question about other possible moves, I will do my best to answer.
Avatar of albephen-einhawkstein

To be clear, i lost the game, but analyzing later, I found this ideea. I put only the main line here, but there are also other spectacular lines such as: