Openings

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Avatar of Earth_player

This is de study & discuss openings.

Perhaps one needs: https://www.365chess.com/eco.php

And also see the Wikipedia, there are
 - Articles (about exact opening, about tactics, about the principles, etc. if u need);
 - Categories (e.g. the category about openings, or about the strategy, chess terminology),
 - Possible both categories and articles.

from here to where u want / need to.

UPD. You may look also here.
Wikibooks: the Chess Opening Theory

Avatar of x-2397737108

Wow, 😮 😮 

Avatar of TheUltraTrap

Petrov defense, one of the main lines. I play this all the time as black and have some nice results, it's one of Fabiano Caruana's opening choices.

I can give some other lines or go deeper of you want but I'm afraid people will use this against me in tournaments :/

Avatar of Earth_player

Give as you consider sufficient. happy.png

P.S. to the post: written UPD (extra link).