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 masters and grandmasters can be divided into three groups - the inveterate time trouble merchants, those who sometimes get into trouble, and those for whom the phenomenon is a very rare occurence.

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

After a great deal of discussion in Soviet literature about the correct definition of a combination, it was decided that from the point of view of a methodical approach it was best to settle on this definition - A combination is a forced variation with a sacrifice.

Once in a Moscow chess club I saw how two first-category players knocked pieces off the board as they were exchanged, so that the pieces fell onto the floor. It was as if they were playing skittles and not chess!

Time trouble is blunder time.

You will already have noticed how often Capablanca repeated moves, often returning to positions which he had had before. This is not lack of deciciveness or slowness, but the employment of a basic endgame principle which is 'Do not hurry'.