Round 4 results
| Karjakin, Sergey | - Carlsen, Magnus | ½ |
| Nisipeanu, Liviu-Dieter | - Radjabov, Teimour | ½ |
| Nakamura, Hikaru | - Ivanchuk, Vassily | ½ |
Standings after 4 rounds
| 1. | Carlsen, Magnus | g | NOR | 2815 | 2½ |
| 2-5. | Karjakin, Sergey | g | RUS | 2776 | 2 |
| 2-5. | Nakamura, Hikaru | g | USA | 2774 | 2 |
| 2-5. | Ivanchuk, Vassily | g | UKR | 2776 | 2 |
| 2-5. | Nisipeanu, Liviu-Dieter | g | ROU | 2659 | 2 |
| 6. | Radjabov, Teimour | g | AZE | 2744 | 1½ |
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