If Tal sacrifices a piece, take it. If Petrosian sacrifices a piece, don't take it.

Chess, like any creative activity, can exist only through the combined efforts of those who have creative talent, and those who have the ability to organize their creative work

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.

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

Above all else, before playing in competitions a player must have regard to his health, for if he is suffering from ill-health he cannot hope for success. In this connection the best of all tonics is 15 to 20 days in the fresh air, in the country.

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.

A knight ending is really a pawn ending.