i find it really hard to counter it
How do you counter piano main line?
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Like this
https://www.chessgames.com/perl/chessgame?gid=1963989
Changing opening never solves any problem, it only escapes to other problems.
The c3 d4 line is considered bad for White, you play exd4 and after cxd4 and Bb4+ you will win the e4 pawn if White blocks with Nc3
Then comes Nf6 by black and d4 by white
how do you counter the double pawn and pressure in the center playing as black?