First Sign of Trouble for Denisov?

So far the Main Event has appeared to be plain sailing for Aleksandr Denisov, just now however, he has suffered a blow after losing with against Alexsey Golubev. Golubev flopped a set with on a flop and check-called Denisov's 12,000 bet. On the turn, he check-raised all in for 95,500 over a 19,000 barrel and Denisov thought before making a hesitant call. The river was the and Golubev got the double, whilst Denisov took the hit. He is still on 565,000, which is more than three times the average but is still a significant drop from his peak.