Ok, I'm here to take my medicine, but with some get out clauses.

(1) This year the Doncaster was not run a week later at Easter, a fact I overlooked when first posting. This gave the 2 horses mentioned an extra week to recover.
(2) I did lay them both, but Kementari was much worse and I laid him each way to boot.
(3) I work primarily as a layer and only worked Randwick today where no favourites won.
(4) I won 10 times as much on El Dorado Dreaming than I lost on Happy Clapper's race.

All in all an excellent day, however I was wrong with the initial post.