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

Sit there for five hours? Certainly not! A player must walk about between moves, it helps his thinking.

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 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.

It is better to follow out a plan consistently even if it isn't the best one than to play without a plan at all. The worst thing is to wander about aimlessly.

When you have finished analyzing all the variations and gone along all the branches of the tree of analysis you must first of all write the move down on your score sheet, before you play it.

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