Chances are, in my opinion, that he would have checked if he hit a set on the flop OR hit an ace high flush on the flop, and bet if he had an ace high flush DRAW. The reason I say this is because if he hit the flush or the set he is going to want Moon to stick around, therefore not bet. If he had a draw, he wouldn't mind taking a stab at the pot because he would have out's even if Moon called. The turn shouldn't have changed anything at all in Moon's mind, the way Kopp played the flop. I think the only hand that really even made sense for Kopp to have may have been K9? I don't think it was really that bad of a meltdown at all though. If I were in his position I probably would have thought I had the best hand. It's unlikely that Moon would have flopped better than a flush, but, he did. As you see at the final table, for the most part, Moon seems like he makes a lot of key calls when many other players would fold in fear of having the worst hand.