After 6 rounds, who’s the favorite to challenge Magnus Carlsen later this year?

Who is the favorite to win the Candidates Tournament to challenge Magnus Carlsen next year?
	V. Anand
	L. Aronian
	V. Kramnik
	S. Karjakin
	V. Topalov
	S. Mamedyarov
	P. Svidler
	D. Andrekin

Candidates Tournament: March 11 – April 1 in Khanty-Mansiysk, Russia

How did the the qualifiers earn a spot in the Candidates’ Tournament? Below is the breakdown:

Qualifiers by ratings (2):

1. Aronian
2. Karjakin

Qualifiers from the World Cup (2):

3. Kramnik
4. Andreikin

Qualifiers from the Grand Prix series (2):

5. Topalov
6. Mamedyarov

Organizers’ nominee (1):

7. Svidler

World Championship Loser (1):

8. Anand