Today's ( 29th March) game in the Candidates between Andreikin and Aronian has started 1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. c4 .

Aronian's Bogo style reply of 4. Bb4+ has been seen before, but always met by 5. Nc3 instead of 5. Nd2 as played. 

Both players have taken around half an hour with play continuing 5. .. c5 6. a3 Bxd2+ 7. Qxd2 and now Aronian is thinking. By comparison with regular Bogo's hasn't he just lumbered himself with a dodgy pawn structure?  So he's got the disadvantage of the Bxf6 exf6 pawn structure, further compromised with the weakness of the d5 square without having control of the dark squares as compensation.