Is this a sound opening?
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This is what my opening book proposes but white is still left without any advantage.
Interesting post on an interesting opening. I have to admit I had never seen this played before. According to my files I have over 500 instances of the position after 6...d5 with Black scoring around 70% though I never trust just the plain statistics. The center for Black is quite strong and his pieces seem to be easy to develop. There is a game by super GM Novikov where he lost (as White) in 19 moves. Fritz evaluates the position at about +1 for Black
Black is slightly better after Bxf7, but there is still alot of chess to play. You should play something besides 4.Nc3, I like 4.d4, but 4.Ng5 or 4.d3 are both good options.
What about Ng3 after d5?
Black is completely fine
