You need a good chess opening book to learn how to start your game properly. If you select inefficient opening moves then you waste development time and finally you drift into a bad position.
Below you find some good opening books that explain different opening concepts to you. This will help you to gain a better understanding overall.
You need to understand ideas rather than memorizing countless opening lines and a book that explains clearly plans, ideas and strategies of the openings.
Best is to start with a one-volume reference and then go deeper into specific openings later on, getting books that deal with one opening only. You can study the openings you like in depth later on, once you have gained experience playing the most popular opening systems.
Just learn first what kind of openings do exist, before you get deeply involved with a particular opening system.
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