You must not let your opponent know how you feel.

The rise of the Soviet school to the summit of world chess is a logical result of socialist cultural development.

Time trouble is blunder time.

Once upon a time supporters of the Steinitz-Tarrasch school had a very high opinion of a queen-side pawn majority. Modern strategy on the other hand categorically denies that such a majority is an independent factor of any importance.

The placing of the centre pawns determines the "topography" of a game of chess.

If you can play the first ten or fifteen moves in just as many minutes, you can be in a state of bliss for the rest of the game. If, on the other hand, Bronstein thinks for forty minutes about his first move, then time trouble is inevitable.

The main thing that develops positional judgement, that perfects it and makes it many-sided, is detailed analytical work, sensible tournament practice, a self-critical attitude to your games and a rooting out of all the defects in your play.