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

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.

You must not let your opponent know how you feel.

Just as the pianist practices the most complicated pieces to improve the technique of his fingers, so too a grandmaster must keep his vision in trim by daily analysis of positions with sharp possibilities, and this applies whether he prefers such positions in his play or not.

My achievements in the field of chess are the result of immense hard work in studying theory.

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.

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.