Kasparov is the only player to have a positive score against Anand.
His loss against Kasparov in the World Championships affects me a lot and it should hurt Vishy even more.
Anand was one up and missed out a sitter when he should've won the very next game yet blew away with a draw. Kasparov came back strongly in the remaining games to thrash Anand.
Kasparov wont be back anytime soon. He has already entered active politics in Russia and busy opposing Putin. Was listening to Kasparov in CNN in the prelude to Russian elections. He still boasts the same arrogance. :)