When everything on the board is clear it can be so difficult to conceal your thoughts from your opponent.

A strong player requires only a few minutes of thought to get to the heart of the conflict. You see a solution immediately, and half an hour later merely convince yourself that your intuition has not deceived you.

What the devil possessed me to reply 1. ... e5?? I compltely forgot that Spassky, like Spielmann in the past, very much likes to play the King's Gambit.

But whatever you might say and whatever I might say, a machine which can play chess with people is one of the most marvellous wonders of our 20th century!

Chess is infinite, and one has to make only one ill-considered move, and one's opponent's wildest dreams will become reality.

A game of chess is not an examination of knowledge; it is a battle of nerves.

The most powerful weapon in Chess is to have the next move