Carlsen And Aronian Still Neck And Neck
In fact, the only rapid pairing that ended as a draw had already had the only decisive result in the blindfold games, when Karjakin smashed down Kramnik's Berlin wall.
There was certainly interest in some of the other blindfold games, though, with Gashimov and Aronian sacrificing their queens.
The rapid games produced wins for Aronian, Carlsen, Anand, Topalov and Nakamura.
A selection of today's games are below. Tomorrow is a rest day, so round five is on Thursday.
Elder statesmen? Boris Gelfand and Vishy Anand.
The results on day four:
The standings after day four:
Has Chucky lost his Amber mojo?
Topalov moved up the leaderboard by beating Gelfand
Carlsen gets revenge for his loss to Giri in Wijk Aan Zee
Pictures: Association Max Euwe