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HeroWarriorX

on move 10, the computer wants me to push my d-pawn to d4, in the game i take on e4 and this is a mistake, for some reason, the evaluation swings over 2 points away from me because of this move, and i just don't understand why this is bad, pawn breaks are so complicated... 

HeroWarriorX

if anyone knows how to show the game already set on move 10 that would be nice

RussBell

see the section 'Pawn Breaks'...

Pawn Play and Structure - for Beginners and Beyond…

https://www.chess.com/blog/RussBell/chess-books-on-pawn-play-and-structure

HeroWarriorX

i looked at again, and I am thinking its because the pawn break allows bishop c4, that's the only reason I can think that this trade is better for white

lamington13
It’s probably some absurd engine reason
lamington13
Maybe when the knight is kicked there’s no fork
magipi
Willow1200BC wrote:

i looked at again, and I am thinking its because the pawn break allows bishop c4, that's the only reason I can think that this trade is better for white

Yes, I agree with that. Your dxe4 activates white's bad bishop. On the other hand, d4 keeps the bishop passive and sad, and also it chases the c3 knight to a bad square: either to d1 or to b5 which looks better but it will be kicked to a3.

newbie4711

I don't know how the machine calculates the points, but I also agree that dxe is a positional mistake. At the moment the Be2 is very passive. After you have opened the center, the bishop comes to life.