I understand how it works and I've seen enough competing models to know that just about anyone can model any population in whatever way they choose based off of the source populations given. The reality is that distances cannot be manipulated as easily as models like you've posted. The only input with distances are simply comparing one population to another. We don't have to play the game of trying to force an admixture calculator to derive a result based on guessing source populations. The point being is that it's much more clear cut and transparent.
You have yet to reply to the fact that the high steppe individuals overlap moderns, however. Why is this so difficult to admit? What is the need to dance around this topic and pretend it's not the case? It's plain as day and I've demonstrated it without even the need for a model.
Peloponnese plots a bit closer to the northern shifted ancient Greek I used above than Crete reference.
However the Cretan-like ancestry is much higher than the LBA Greek despite the distance (The pops I use are not random but compatible with the historical context)
[TABLE=collapse]
[TR]
[TH][/TH]
[TH][/TH]
[/TR]
[TR]
[TD]0.02912728[/TD]
[TD]Albania_Medieval[/TD]
[/TR]
[TR]
[TD]0.03360976[/TD]
[TD]Greek_Crete[/TD]
[/TR]
[TR]
[TD]0.06538920[/TD]
[TD]TUR_C_Gordion_Anc:I4029_all[/TD]
[/TR]
[TR]
[TD]0.10036221[/TD]
[TD]Ukrainian_Zakarpattia[/TD]
[/TR]
[/TABLE]
[TABLE=collapse]
[TR]
[TH]Target: Greek_Peloponnese
Distance: 0.0103% / 0.01027455[/TH]
[TH][/TH]
[/TR]
[TR]
[TD]52.2[/TD]
[TD]Greek_Crete[/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]30.9[/TD]
[TD]Albania_Medieval[/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]16.9[/TD]
[TD]Ukrainian_Zakarpattia[/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]0.0[/TD]
[TD]TUR_C_Gordion_Anc:I4029_all[/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[/TR]
[/TABLE]
My question is clear. Do you have a model in which you can use if you want only the northern shifted individuals (and compatible with the historical context) that indicate a higher "northern-shifted Myceanean-like" ancestry? I would like to see it. Because I can't think how to get rid of the Sardinian-like ancestry without a shift to the Aegean cluster which requires extra Steppe for the mainland. And I don't even talk about the average of the samples you provided.
About the overlap or not with modern Greeks, these are the 5 closest distances for some Greek references
[TABLE=collapse]
[TR]
[TH]Distance to:[/TH]
[TH]Greek_Peloponnese[/TH]
[/TR]
[TR]
[TD]0.03228959[/TD]
[TD]Greece_LBA_Chania:XAN030[/TD]
[/TR]
[TR]
[TD]0.03510544[/TD]
[TD]Greece_LBA_Chania:XAN051[/TD]
[/TR]
[TR]
[TD]0.03670805[/TD]
[TD]Greece_LBA_Mycenaean_Mygdalia:MYG008[/TD]
[/TR]
[TR]
[TD]0.03857369[/TD]
[TD]Greece_LBA_Mycenaean_Mygdalia:MYG006[/TD]
[/TR]
[TR]
[TD]0.04356136[/TD]
[TD]Greece_LBA_Mycenaean_Aidonia:AID007[/TD]
[/TR]
[/TABLE]
[TABLE=collapse]
[TR]
[TH]Distance to:[/TH]
[TH]Greek_Laconia[/TH]
[/TR]
[TR]
[TD]0.03267913[/TD]
[TD]Greece_LBA_Chania:XAN030[/TD]
[/TR]
[TR]
[TD]0.03421141[/TD]
[TD]Greece_LBA_Chania:XAN051[/TD]
[/TR]
[TR]
[TD]0.03705862[/TD]
[TD]Greece_LBA_Mycenaean_Mygdalia:MYG008[/TD]
[/TR]
[TR]
[TD]0.03914822[/TD]
[TD]Greece_LBA_Mycenaean_Aidonia:AID007[/TD]
[/TR]
[TR]
[TD]0.03965712[/TD]
[TD]Greece_LBA_Mycenaean_Mygdalia:MYG006[/TD]
[/TR]
[/TABLE]
[TABLE=collapse]
[TR]
[TH]Distance to:[/TH]
[TH]Greek_Deep_Mani[/TH]
[/TR]
[TR]
[TD]0.03238384[/TD]
[TD]Greece_LBA_Mycenaean_Aidonia:AID007[/TD]
[/TR]
[TR]
[TD]0.03588608[/TD]
[TD]Greece_LBA_Mycenaean_Aidonia:AID002[/TD]
[/TR]
[TR]
[TD]0.03893275[/TD]
[TD]Greece_LBA_Koukounaries:KUK001[/TD]
[/TR]
[TR]
[TD]0.03950642[/TD]
[TD]Greece_LBA_Chania:XAN026[/TD]
[/TR]
[TR]
[TD]0.04079338[/TD]
[TD]Greece_LBA_Mycenaean_Mygdalia:MYG003[/TD]
[/TR]
[/TABLE]
They are close as I said but definitely not in the same cluster