On the whole, the life of a chess professional is not as easy as it appears at first sight. One needs to devote some ten hours a day to chess and to everything connected with it - physical and psycholgical preparation.
Vladimir KramnikPlaying rapid chess, one can lose the habit of concentrating for several hours in serious chess. That is why, if a player has big aims, he should limit his rapidplay in favour of serious chess.
Vladimir KramnikIn games against humans, you often win because the opponent blunders a piece, and you can often survive when you do it yourself. Against the computer, you make only one mistake - the last one.
Vladimir KramnikIt made a big difference to my match stamina. I couldn't imagine I would have been so energetic during the match - it really gave me a welcomed extra boost!
Vladimir Kramnik