We have a saying that a stranger's soul is like a black box. Which is why I would not want to analyze [Vladimir] Putin's psychological motivations.

Botvinnik tried to take the mystery out of Chess, always relating it to situations in ordinary life. He used to call chess a typical inexact problem similar to those which people are always having to solve in everyday life.

I don't have enough information, and enough courage, to come up with a definite version of events. And I think it is too dangerous for me to do so.

Remember that the machine is there to help you, because at the end of the day, you're not playing freestyle chess, advanced chess, human-plus-machine. If you are playing against other humans, it's about winning the game. The machine will not be assisting you, unless you are cheating of course. And since the machine is not there, you have to make sure that everything you learn from the computer will not badly affect the way you play the real game.

I would like to travel to my country again, to a country without a dictatorship, to a post-Putin Russia.

Rosneft, for instance, was mainly built upon capital stolen from [jailed oligarch Mikhail] Khodorkovsky's company, but the IPO was successful with many Western corporations investing in it. This means that it is extremely difficult to detect these assets in their pure form.

Throughout my chess career I sought out new challenges, looking for things no one had done before.