I ran a GEDmatch multi-kit analysis and got this report for Matches with Joseph's kit, for chromosome 12:

[![enter image description here][1]][1]
[![enter image description here][2]][2]

And putting a different kit in first position, I get this report for matches with Charlotte:

[![enter image description here][3]][3]
[![enter image description here][4]][4]

The strange thing I notice is on Chromosome 12, in the first report I get several matches that span as much as from 1,359,590 to 5,316,226 (about 12.3 cM).  In the second report, I get Edna matching Charlotte from 1,517,192 to 3,941,530 (7.58692 cM).

The segment matches Charlotte from the first report, so why doesn't Edna appear in the first report?  Is this a bug?

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**NOTE: All kit numbers have been removed, and names changed to pseudonyms for ease of discussion.**


  [1]: https://i.sstatic.net/KWok5.jpg
  [2]: https://i.sstatic.net/Oqk1o.gif
  [3]: https://i.sstatic.net/qUKgv.jpg
  [4]: https://i.sstatic.net/MOutd.gif