That is apparently so, in most cases.
Just make sure they have all had a run & there are no more than 4 resumers in the race.


Here is another simple approach for targeting a quality race...

Target races where there is 1+ Last Start winners in the field.
Not including resumers.
Make sure the whole field has had a run.

This works well.
Where the winners tend to run to form .

This is especially useful when looking at Country & Provincial form, where it can be tricky defining what a quality race is.

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Cheers.