Garry Kasparov: FIDE rating 2812, possibly the best chess player who has ever lived.
Yuri Dokhoian: FIDE rating: 2580. Weak, completely unknown GM.
Dokhoian has been Kasparov's coach since 1995. Not too many people know that because he is content to make his living and spend his life helping Kasparov win. He is also much younger than Kasparov.
Here is a picture of them. It says a lot.
