The stock market and the gridiron and the battlefield aren't as tidy as the chessboard, but in all of them, a single, simple rule holds true: make good decisions and you'll succeed; make bad ones and you'll fail.

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

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.

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

I wouldn't place much stock in numbers. I don't believe that they reflect Putin's true popularity. Just think about how the pollsters proceed. They call people and they ask them questions on the street. In today's Russia, it takes a lot of courage to tell a stranger something critical about the head of the Kremlin. And yet more than 20 percent do so nonetheless.

My opponent is Short and the match will be short.

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