A Segment-ology TIDBIT
When reviewing Ancestry ThruLines (or any potential Common Ancestor), go for the Triple Play!
Make sure the Common Ancestor AND the Side (Maternal/Paternal) AND the consensus of Shared Matches are all in agreement. If the CA is correct, they should be. Or at the least, there shouldn’t be a large conflict. I am finding a number of ThruLines under 15cM which do not agree with the Side. It is entirely possible to have a genealogy relationship (per ThruLInes) which is not the same as the genetic relationship (I believe most of the “Side” designations are valid). This would mean there is also another Common Ancestor that agrees with the Side – entirely possible for my Colonial Virginia ancestry. Or the Side could be wrong…
In any case, when you don’t have a Triple Play, it calls for some extra thought and/or research.
Just saying…
[22CB] Segment-ology: Go for the Triple Play! TIDBIT by Jim Bartlett 20231220
segment-ology 
Thanks Jim,Always enjoy & find your Tid-Bits helpful. With the recent limitations of segment data from other sites I have also been working more with smaller (under 15cM) Ancestry matches. While my Thrulines/Common Ancestor data is not nearly as positive as yours (perhaps 70% correct for mine), I have found great value in also separating these matches if they have a single vs multiple segments. With Thrulines now showing only one possible connection (when two or more actually exist) they seem to often be picking the incorrect one, or perhaps I just haven’t yet identified the additional one. “Guessing” the actual segment details on Ancestry matches seems to work pretty well for single segment matches, but not so well for the multiples.
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