Armenian grandmaster Levon Aronian suffered his first defeated by Vasili Ivanchuk of Ukraine in round 4 of the Sao Paulo Grand Slam Final Masters to retain 2nd place with 5 points.
Ivanchuk keeps the lead with 10 points.
Viswanathan Anand (India) scored a victory over Francisco Vallejo Pons (Spain) while Magnus Carlsen (Norway) tied the match against Hikaru Nakamura (U.S.).
In the next round, Aronian will face Anand, who is currently 3rd.