A very strong player can manage and can just know how to manage a thousand positions. I get it; it's a very arbitrary number. So then you have the world champion who could do more. But, again, any increase in numbers creates, sort of, a new level of playing. And then you go to the very top, and the difference is so minimal, but it does exist. So even a few players who never became world champion, like Vassily Ivanchuk, for instance, I think they belong to the same category.

You can't overestimate the importance of psychology in chess, and as much as some players try to downplay it, I believe that winning requires a constant and strong psychology not just at the board but in every aspect of your life.

Chess strength in general and chess strength in a specific match are by no means one and the same thing.

The legend of the best player of chess has been destroyed.

In chess the rules are fixed and the outcome is unpredictable, whereas in Putin's Russia the rules are unpredictable and the outcome is fixed.

I certainly want to be involved in politics and help shape the transition. I am in contact with regime critics who had to leave for the West. One of them is Mikhail Khodorkovsky, the former businessman, who had to endure 10 years in a prison camp.

You're always going to have dangerous, disaffected people in any society, and some will be violent. Increasing prosperity and reducing inequality won't solve that completely. But having big, positive dreams and a society that makes it possible to achieve those dreams is what we must strive for.