Alexander Alekine.
Paul Morphy.
Jose Raul Capablanca.
Emuanel Lasker(A good friend of Einstien)
Tim Murphy is his name.
You may be talking about chess champ Ruy Lopez.
World Champ happened in 1990.
Viswanathan_Anand.
World Champ was created on 1990-12-07.
The fourth challenge was the giant chess set. This was Professor McGongall's challenge. To win, everybody had to become a chess piece and win the game.
I presume you are asking about the World Chess Championship. There was no World Chess Championship match in 2011.
World Chess Championship was created in 1886.
World Chess Network ended in 2007.