My very first book was a games collection of Anatoly Karpov. On the whole I was attracted by positonal play with some tactics, and already then I was aiming for universality.

Every top player has his own style, just as every painter has his own personal signature.

So basically it's very simple: to start with, if you want to win the match, you shouldn't be afraid of him. There are still many, many things to do, but above all this is the most important: Don't be scared of him!

With the Berlin I was able to set up a fortress that he could come near but not breach.

In games against humans, you often win because the opponent blunders a piece, and you can often survive when you do it yourself. Against the computer, you make only one mistake - the last one.

At some point he seemed to lose all confidence trying to break down the Berlin Wall. He was still fighting as only Kasparov can, but I could see it in his eyes that he knew he wasn't going to win one of these games.

An impatient person plays differently than a more patient person.