On my side, both the ftDNA and gedmatch kit were from results from a 23andme kit. I do have another kit on my side from AncestryDNA. Comparison results: 9 131,390,868 137,526,418 18.9 1,897 So virtually identical. Both of my kits have acceptable levels of no-calls. Just ran the utility on the cousin's kit - "no problems were found" > Did you check the quality of the kit? The two tools might handle no calls differently. > > I assume you used the standard settings on GEDmatch with 700 SNP and 7cM, right? > > I know FTDNA uses a very different criteria than anyone else, looking at total cM as well. Not sure how many mismatches they allow. Does anyone know? > > If FTDNA doesn't allow any mismatch and GEDmatch allows one in the standard settings that might explain the different size. > > Andreas > >> On 24 Oct 2015, at 23:47, Brooks Family via <genealogy-dna@rootsweb.com> wrote: >> >> I thought Jim's & Robert's explanations were good enough for me, but >> here's the segment in question again, newly derived this morning: >> >> Gedmatch: >> 9 131,390,868 137,505,316 18.8 1,904 >> >> ftDNA: >> 9 131,456,657 137,335,024 8.85 1,955 >> >> The relationship is solid. The kit manager had her tree up on ftDNA, >> and I had already independently worked the relationship to the MRCAs in >> my tree. 4C1R. >> >> >>> On 10/24/15 1:00 AM, genealogy-dna-request@rootsweb.com wrote: >>> >>> Message: 1 >>> Date: Fri, 23 Oct 2015 18:29:14 -0400 >>> From: David Hamill <dnhamill@aol.com> >>> Subject: Re: [DNA] GENEALOGY-DNA Digest, Vol 10, Issue 576 >>> To: genealogy-dna@rootsweb.com >>> Message-ID: <14F5C288-84FF-4323-8A1D-93B5440D9B43@aol.com> >>> Content-Type: text/plain; charset=utf-8 >>> >>> I don?t think these results can both be correct. Not just a difference in criteria for a match or strictness of guidelines etc. If they really are reporting these results, I think there is something computationally rotten in Denmark. >>> >>> Maybe you could start by just double-checking these numbers.. just to be sure there are no typos etc involved? >>> >>> Does anyone else have a segment with about the same start and stop locations? ? if so how many cM? >>> >> >> ------------------------------- >> To unsubscribe from the list, please send an email to GENEALOGY-DNA-request@rootsweb.com with the word 'unsubscribe' without the quotes in the subject and the body of the message