Here,s one that might interest .Its simplicity itself.

No more than 13 runners after scratchings.

Selection is the FAV if its weighted to carry 52,52.5,53 or 53.5 Kg

An equal fav can also be a selection as long as it satisfies rules 1 +2 and the other equal fav does not.

Another 1 ( some may remember this from a now deceased Propun contributor)

4 YO horse only

Win % = 30 % +

Minimum 4 runs in

Placed 2 of past 3

2 - 11 Last Start

Todays Price = $2 - $11

1000 - 1200 Only