To be champion requires more than simply being a strong player; one has to be a strong human being as well.
If, in our first match for the world champion's title, I had managed to make the score 6-0, there would have been no Kasparov as a good chess player at all.
By all means examine the games of the great chess players, but don't swallow them whole. Their games are valuable not for their separate moves, but for their vision of chess, their way of thinking.
The first great chess players, including the world champion, got by perfectly well without constant coaches.
Like dogs who sniff each other when meeting, chess players have a ritual at first acquaintance: they sit down to play speed chess.