Suprising moves

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Avatar of petrikeckman

If someone make moves out of the book and theories - in our level -  could it somehow make opponent confusion and make errors? So, sometimes it is benefit then not to know all the theories from the books?

Avatar of aglitatta

        When this happens its up to youto evaluate if that move if its good or bad. More importantly,you must calculate why your opponent made such a move i.e perhaps it was a mistake on his part.