Memorization of variations could be even worse than playing in a tournament without looking in the books at all.

I only think well when my mind is calm.

Chess mastery essentially consists of analyzing Chess positions accurately

Every great master will find it useful to have his own theory on the openings, which only he himself knows, a theory which is closely linked with plans for the middle game.

You have to accustom yourself to practical study at home, you have to devote time to studies, to the history of chess, the development of chess theory, of chess culture.

With opposite coloured bishops the attacking side has in effect an extra piece in the shape of his bishop.

Chess is the art which expresses the science of logic.