For us chess players the language of artist is something natural.

But with the Berlin, I was able to allow him to get near, but not quite near enough, and I knew where to draw the line with the fortresses I had set up.

Even if you play perfectly, a fault of your opponent's can destroy the entire beauty of the game.

Part of my preparation for the World Champion match against Kasparov was to be ready for his off-board tactics. I did not to react to them at all. Once you start thinking about these things during the game, even analysing them, you're caught.

Look at the catastrophic record Vishy Anand has against Garry Kasparov. Kasparov managed to beat him almost everywhere they played, even though Vishy Anand has belonged to the absolute top players in the world for fifteen years. This difference cannot be explained purely in chess terms, there must have been some psychology.

It is rightly said that the most difficult thing in chess is winning a won position

It made a big difference to my match stamina. I couldn't imagine I would have been so energetic during the match - it really gave me a welcomed extra boost!