(Photo taken from the official site)
Vachier-Lagrave is leading the event with 2.5 out of 3. Karjakin, Andreikin and Nakamura share 2nd place with 2 points.
Results of the 3rd round
GM Mamedyarov, Shakhriyar 2764 1 – 0 GM Gelfand, Boris 2748
GM Nakamura, Hikaru 2764 ½ – ½ GM Giri, Anish 2768
GM Caruana, Fabiano 2844 ½ – ½ GM Andreikin, Dmitry 2722
GM Kasimdzhanov, Rustam 2706 0 – 1 GM Jobava, Baadur 2717
GM Radjabov, Teimour 2726 ½ – ½ GM Vachier-Lagrave, Maxime 2757
GM Karjakin, Sergey 2767 1 – 0 GM Jakovenko, Dmitry 2747
Standings after 4 rounds
1 GM Vachier-Lagrave, Maxime 2757 FRA 2½
2 GM Nakamura, Hikaru 2764 USA 2
3 GM Andreikin, Dmitry 2722 RUS 2
4 GM Karjakin, Sergey 2767 RUS 2
5 GM Mamedyarov, Shakhriyar 2764 AZE 1½
6 GM Jobava, Baadur 2717 GEO 1½
7 GM Radjabov, Teimour 2726 AZE 1½
8 GM Giri, Anish 2768 NED 1½
9 GM Caruana, Fabiano 2844 ITA 1
12 GM Gelfand, Boris 2748 ISR 1
11 GM Jakovenko, Dmitry 2747 RUS 1
12 GM Kasimdzhanov, Rustam 2706 UZB ½
Games of the round
Pairings of the 4th round
GM Gelfand, Boris 2748 – GM Jakovenko, Dmitry 2747
GM Vachier-Lagrave, Maxime 2757 – GM Karjakin, Sergey 2767
GM Jobava, Baadur 2717 – GM Radjabov, Teimour 2726
GM Andreikin, Dmitry 2722 – GM Kasimdzhanov, Rustam 2706
GM Giri, Anish 2768 – GM Caruana, Fabiano 2844
GM Mamedyarov, Shakhriyar 2764 – GM Nakamura, Hikaru 2764