It was not about losing my mental power; it's about not feeling good about my contribution to the game.

Chess is one of the few arts where composition takes place simultaneously with performance

Kortchnoi's heritage is many-faceted - over the decades he has several times corrected and changed his style. But the main thing has invariably remained his search for chess truth.

Vladimir Putin likes Donald Trump because he supports this view of the world, that the big guys can carve it up, sit and talk about the world, carve up the countries, shape borders. For Putin, treaties, alliances, Nato, the EU are stumbling blocks.

Machines taking over jobs - it's the history of civilization. Replacing farm animals, old forms of manual labor, now taking over small, menial aspects of cognition. But there's still plenty of room for creativity, for curiosity - many things that are related to passion, like art. But also, things about human communication and challenges, massive challenges that we left behind because we didn't want to take so much risk, such as space exploration, deep ocean exploration.

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.

Chess is not dominoes