Furthermore, the situation in the North Caucasus is rather unstable. Mutual relations and the cooperation between [Vladimir] Putin and [Ramzan] Kadyrov, the high price that has been paid to buy the loyalty of the local elite through an enormous tribute of multibillion[-ruble] investments, all this cannot be an arrangement for good.

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.

A grandmaster must memorize thousands of chess duels in his head, as these are for him what words of the mother tongue are to the ordinary people and what notes are to a musician.

Learning from our mistakes is critical for improving, but even I don't have patience for ranking my regrets. Regret is a negative emotion that inhibits the optimism required to take on new challenges. You risk living in an alternative universe, where if only you had done this or that differently, things would be better. That's a poor substitute for making your actual life better, or improving the lives of others. Regret briefly, analyze and understand, and then move on, improving the only life you have.

I don't make any secret of the fact that I'm closer to the Republicans than to the Democrats. But even under a President Hillary Clinton, US foreign policy toward Moscow would probably be more critical and confrontational. I hope it isn't too late for that.

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.

But we must not forget the effort undertaken by the ruling elite in Russia to manipulate Western politicians, businessmen as well as journalists. That's why [Vladimir] Putin's "fifth column" is that powerful in the West.