Hi Captain Charger,
To answer your question ,
If there was a pre-post 2nd ranked horse that ended up being the 1st ranked horse on the TAB ,it would still not be a selection.
If one reads the rules again, it clearly states that the first 1or2 TAB favs have to come from Pre-post rankings 3-7 in the newspaper.

In other words if either of the Top 2TAB ranking Favs is also either the top 2 ranking Pre-post favs ,they are deleted.


Cheers

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Cheers.