Thanks dinodog.
Summary of rules:

-Metro Saturday meetings.
-SP favourite or equal favourite.
-Less than or equal to 1.5kg over limit weight.
-Career starts 5-25.
-Not first up from spell.
-Not increasing distance by more than 200 metres or decreasing by more than 100 metres relative to prior start.
-Greater than or equal to 50% place strike rate.

Try that and see how you go.