Armenian grandmaster Levon Aronian has sustained his first defeat at Linares 2009 in a game with Russia's Alexander Grischuk, who tops the tournament chart with 4.5 points.

With 3.5 points, Aronian shares the second and third positions with Norway's Magnus Carlsen, who inflicted a defeat on world champion Viswanathan Anand.

The other games of the 6th tour ended in a draw.

In the resulting 7th tour, Aronian will play against Ukraine's Vassily Ivanchuk.

6th tour results:
Alexander Grischuk (Russia)- Levon Aronian (Armenia) 1:0
Magnus Carlsen (Netherlands) - Viswanathan Anand (India) 1:0
Vassily Ivanchuk (Ukraine)- Leinier Dominguez (Cuba) 0,5-0,5
Wang Yue (China) - Teimour Radjabov (Azerbaijan) 0,5-0,5

Standings after 6th tour:
Grischuk - 4.5 points; Aronian, Carlsen -3.5 points each; Ivanchuk Anand - 3 points each; Dominguez - 2.5 points; Radjabov, Wang Yue - 2 points each.

6th tour participants:
Anand - Grischuk, Aronian - Ivanchuk, Radjabov - Carlsen , Dominguez - Wang Yue.