You play with everything you've got. I'm not a lover of cheap tricks. I've always loved playing with people, but there's no rule about it. You try everything you can.
For my victory over Capablanca I am indebted primarily to my superiority in the field of psychology. Capablanca played, relying almost exclusively on his rich intuitive talent. But for the chess struggle nowadays one needs a subtle knowledge of human nature, an understanding of the opponent's psychology.
I can attack a man's weakness and beat him. Or I can attack a man's strengths and break him.
I have made my thoughts on it (sledging) well known over the last couple of years. We are more than happy to be talking to opposition players in the field so long as it is not personal or abusive.
This calls for a very special blend of psychology and extreme violence.
I never seek to defeat the man I am fighting, " he explained. "I seek to defeat his confidence. A mind troubled by doubt cannot focus on the course to victory. Two men are equals - true equals - only when they both have equal confidence.
In football, the only game I know is the 90-minutes game. It's not mind games; I don't try to do that.
They always try to play with our minds. But that won't work with our club. We've got 20 guys without brains.
There can be a lot of mind games going on between the players. When you're about to serve, people will try to throw you off your rhythm by taking a walk. If you're tired, you can't show that at all to an opponent.
I had the pleasure of learning how to wrestle long matches and use psychology.
I tried to get into the mind of my opponent and psyche him out.
I used to come out and say I was targeting certain players in the opposition team, particularly players I had had success against in the past: Gary Kirsten, Brian Lara and Michael Atherton, for example. It is a mental part of the game.