GMs Levon Aronian (Armenia) and Magnus Carlsen (Norway) played a draw in Round 8 of the Candidates Tournament underway in London.
The two will maintain the lead, irrespective of the results of the other three games.
The London Candidates Tournament will determine the challenger who will face, later this year, the current title holder World Champion Viswanathan Anand, who has reigned as World Champion since 2007.
