I've been looking at this method casually and it seems consistent. I'll post here and see what the curse of the forum does with it. It's not very sophisticated but we'll see what happens. Will post win and place although I expect the place to fail long term.

Date: 1st Sept

Geelong
R4 no 13 Rainbow Dreaming
R7 no 11 Carbon Cut

Wagga
R3 no 3 Speed 'n Reef