Tarrasch's 'dogmas' are not eternal truisms, but merely instructional material presented in an accessible and witty form, those necessary rudiments from which one can begin to grasp the secrets of chess.

We see threats to liberal democracy coming from lots of directions. We have to create something new, a common response, because in so many places - the UK, France, Germany - ultranationalists and the far left threaten the free market and liberal democracy.

One of my optimistic prophecies is based on the assumption that machines could have the best algorithms in the universe, but it will never have purpose. And the problem for us to explain purpose to a machine is because we don't know what our purpose is. We have the purpose, but we still ... When we look at this global picture, a universal picture, to understand what is our purpose being here on this planet? We don't know.

You cannot say, 'Go! Go! Rah! Rah! Good move!' People want some emotion. Chess is an art and not a spectator sport.

We are living in a world where major states and large geopolitical projects have to prove their competitive edge. It is clear, as well, that with regard to the intensifying American-Chinese confrontation and the inert power of a united Europe, Russia has to make up its mind - because it is losing ground as an independent center of power.

The highest Art of the Chess player lies in not allowing your Opponent to show you what he can do.

Chess is far too complex to be definitively solved with any technology we can conceive of today. However, our looked-down-upon cousin, checkers, or draughts, suffered this fate quite recently thanks to the work of Jonathan Schaeffer at the University of Alberta and his unbeatable program Chinook.