Fritz variation refuted?

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Philipper

Hi, in the two knights defense I usually play Polerio's move 5...Na6, which is also the main line, but another interesting move is the Fritz variation 5...Nd4!?

A couple weeks ago when I played a game at live chess, I found this line. My question to you: Is the Fritz variation refuted?

 

 

bryano1

nope.

white has an advantage but its not winning.

PrawnEatsPrawn

Estrin gives the following line: