http://www.youtube.com/watch?
v=MPlXC3M8hbg&feature=related

http://www.youtube.com/watch?v=R1it...

Mikhail Botvinnik: <As far as Garik [Kasparov] was concerned, I immediately came to blows with him. For he first made a move and only then thought about it. While the proper order is, as you know, exactly the other way around. “Watch out”, I used to say to him, “if you go on like this you’ll become a Taimanov or a Larsen, Garik.” These two were the same, even when they were grandmasters – first move, then think.>

“A lot of spectators no longer have any clue of what a player is going through at the board, because they’re all sitting with, essentially, supercomputers,” he says. “You would have to sit at the board and sweat and feel the fear of defeat or the nearness of victory to understand what goes through a player’s head ... If you think it’s that easy, switch off the computer and try and figure out a few moves on your own.”> - Anand

<Some consider that when I play I am excessively cautious, but it seems to me that the question may be a different one. I try to avoid chance. Those who rely on chance should play cards or roulette. Chess is something quite different.> - Petrosian