Magnus Carlsen is a Norwegian Grandmaster born in 1990. At age 14 he became the second youngest Grandmaster ever and in 2005 was the youngest player to attend the candidates tournament.
Despite his young age he already won several super tournaments, including Corus 2008 and in 2009 winning the 21st Pearl Spring Chess Tournament with a score of 8/10 and a tournament performance of over 3000 Elo.
He was coached by Garry Kasparov in 2009 and is by far the youngest player ever to have an rating of 2800.
He currently is the highest rated player on the July 2011 list of FIDE with a rating of 2821.
Veselin Topalov is a Bulgarian Grandmaster born in 1975.He played in the FIDE 1998,1999,2000,2002,2004 and finally winning the 2005 tournament scoring 6,5 out of 7 points in the first half of it. In the controversial 2006 reunification match against Kramnik he narrowly lost in tie breaks.
By defeating Gata Kamsky in matchplay 4,5 to 2,5 he gained the right to play Anand in the 2010 World Championship.
He won several super tournaments including Linares, MTL Masters and Corus.
He was ranked number one for 27 months.
A true masterpiece by Carlsen. He launches a very instructive attack in a rare line of the Queens Gambit Declined.