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

The triumph of the analytical movement, which formed in the '30's and '40's, was precisely what earned the Soviet masters the acclaim of chessplayers the world over. Unfortunately, it must also be noted that, for today's chessmasters, the watchword is practicality.

It must be clearly understood that Soviet players do not seek simple systems in the opening, but try to formulate opening systems in which everything is complicated, distinctive, or new.

Everything is in a state of flux, and this includes the world of Chess

Chess is the art which expresses the science of logic.

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.

I only think well when my mind is calm.