It was an impressive achievement, of course, and a human achievement by the members of the IBM team, but Deep Blue was only intelligent the way your programmable alarm clock is intelligent. Not that losing to a $10 million alarm clock made me feel any better.

Chess is mental torture.

Where do poor young people turn? ISIS has a mission for you to change the world! It's a horrific vision, but it's a vision. Perhaps for white supremacists, you can add the additional storyline that they believe that they are having something taken from them by outsiders, by immigrants. Not only are they losing out and bored, but they think they are victims and that they know who is responsible.

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

Enormous self-belief, intuition, the ability to take a risk at a critical moment and go in for a very dangerous play with counter-chances for the opponent - it is precisely these qualities that distinguish great players.

It is quite difficult to establish a clear-cut cause-and-effect relationship, as the causes are manifold and closely connected. It is simply not correct to link the level of democracy to prosperity. It is absolutely clear that the economic wealth of Saudi Arabia exceeds the performance of the Czech Republic. But apparently democracy is quite stable in the Czech Republic, which cannot be said about Saudi Arabia. As we delve into the past, we must not forget about the existing model of society.

For us to make sure that we have full lives, meaningful lives, we will have to elevate our unique human qualities. And I think we know now, we can see clearly what makes us different from machines. And that's why the future is enhanced humanity.