We must be optimistic about the future because it's a self-fulfilling prophecy. If we are creative and ambitious, intelligent machines will liberate us and be as profound a boon to our prosperity as electricity. If we are fearful, and fail to press ahead, we could be overwhelmed by automation and inequality.

Nowadays, a 13-year-old would probably know more than Bobby Fischer knew when he retired. They analyse all the moves and prepare themselves on their computers. But that doesn’t mean they are special.

We shouldn't forget that in the case of Georgia, a problem was done away with that bothered [Vladimir] Putin personally - that is, the security during the Winter Olympics in Sochi in 2014. Security not in the sense of a guaranteed absence of a terror attack, but in pursuing the aim of moving hot spots of possible conflict farther from the site of the Olympic Games, which are to be held a stone's throw from Abkhazia - that is, in de jure Georgia.

Tactics involve calculations that can tax the human brain, but when you boil them down, they are actually the simplest part of chess and are almost trivial compared to strategy.

There is no democracy in Russia. Dictators do not go away through the vote. Putin relies on riot police, thousands of them, with heavy equipment, fighting Russian youngsters from opposition.

If you wish to succeed, you must brave the risk of failure.

Putin recognized that if he could get enough money, everything would be under control.