I have found this method has some very good days.
Settings.
CP1
CF0
The rest left at the standard setting.

We target races where one of the top 2 is starting from barrier 1 ,then back the other one of the 2 which will be starting from barrier 2+ to win.

We are assuming the majority of barrier 1 will fall over.

It restricts the bets & some of the divs are very good.

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Cheers.