Attackers may sometimes regret bad moves, but it is much worse to forever regret an opportunity you allowed to pass you by.

When you say politics, you conjure a whole bunch of associations: elections, campaigning, debates, fundraising. None of this exists in Russia! We are still fighting not for election victories but for having elections at all.

To my surprise I found that when other top players in the precomputer age (before 1995, roughly) wrote about games in magazines and newspaper columns, they often made more mistakes in their annotations than the players had made at the board.

My love of dynamic complications often led me to avoid simplicity when perhaps it was the wisest choice.

Any experienced player knows how a change in the character of the play influences your psychological mood.

Vladimir Putin has this animalistic instinct of all dictators: He smells weakness. To quote Winston Churchill's definition of appeasement: "An appeaser is one who feeds a crocodile, hoping it will eat him last."

We are living in a new ice age, and we need to apply the recipes of the Cold War to the Kremlin. That means isolation instead of offers of negotiation. And Ukraine should have been supplied with weapons long ago.