What we know is that it was in Northern Italy before the Chalcolithic.
Give what credence you wish to PCAs, in Kilinc, Kumtepe, Tepecik and Greek Neolithic land all right on top of each other, which indicates to me that this slightly different type of Neolithic ancestry was in Europe very early on.
Yes, in Greece and especially the Pelopponese it seems to have arrived very early (though it might not be exactly a Tepecik-Ciftlik-derived people, because IIRC it doesn't have extra Natufian in relation to Barcin_N, but it does have excess CHG+Iran_Meso/Iran_N). However, I don't think there are strong evidences to assert that beyond Greece until now.
Why do you say it was in Northern Italy before the Chalcolithic? Wasn't Ötzi from the Chalcolithic and Remedello from the early BA? I'm trying to understand.
EDIT: It seems Tepecik-Ciftlik had some internal structure, some Barcin_N-like and some Kumtepe and Greece_Pelopponese_N-like (the majority). It's interesting to notice that as a whole there is indeed a difference between Pelopponese Neolithic farmers and the other European Neolithic farmers. Is it thus possible that there just like Greeks in Magna Graecia in the Iron Age Neolithic Greeks also moved into Italy and especially South Italy during the Neolithic and certainly up to the Chalcolithic?
[TABLE="class: distances"]
[TR]
[TH="align: right"]Distance to:[/TH]
[TH="align: left"]TUR_Tepecik_Ciftlik_N:Tep006[/TH]
[/TR]
[TR]
[TD="bgcolor: #FFF800, align: right"]0.05145144[/TD]
[TD]GRC_Peloponnese_N:I3709[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFE600, align: right"]0.05499984[/TD]
[TD]GRC_Peloponnese_N:I3920[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFD400, align: right"]0.05840345[/TD]
[TD]TUR_Barcin_N:I1103[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFC300, align: right"]0.06185934[/TD]
[TD]TUR_Barcin_N:I0745[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFB200, align: right"]0.06505577[/TD]
[TD]TUR_Kumtepe_N:kum6[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFB200, align: right"]0.06512763[/TD]
[TD]TUR_Barcin_N:I0708[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFB100, align: right"]0.06521437[/TD]
[TD]TUR_Barcin_N:I0746[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFB100, align: right"]0.06533157[/TD]
[TD]GRC_Peloponnese_N:I3708[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFAE00, align: right"]0.06579827[/TD]
[TD]TUR_Barcin_N:I1098[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFAC00, align: right"]0.06618466[/TD]
[TD]GRC_Peloponnese_N:I2937[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFAB00, align: right"]0.06644176[/TD]
[TD]TUR_Barcin_N:I1099[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFA800, align: right"]0.06714576[/TD]
[TD]TUR_Barcin_N:I1583[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFA500, align: right"]0.06759189[/TD]
[TD]TUR_Barcin_N:I0709[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF9C00, align: right"]0.06946824[/TD]
[TD]TUR_Barcin_N:I0707[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF9A00, align: right"]0.06988017[/TD]
[TD]TUR_Barcin_N:I1101[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF9300, align: right"]0.07121821[/TD]
[TD]TUR_Barcin_N:I1097[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF9000, align: right"]0.07185904[/TD]
[TD]TUR_Barcin_N:I0726[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF8F00, align: right"]0.07188855[/TD]
[TD]TUR_Barcin_N:I0744[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF8500, align: right"]0.07399951[/TD]
[TD]TUR_Barcin_N:I1096[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF7D00, align: right"]0.07557171[/TD]
[TD]TUR_Barcin_N:I1580[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF7A00, align: right"]0.07603925[/TD]
[TD]TUR_Barcin_N:I1102[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF7400, align: right"]0.07725497[/TD]
[TD]TUR_Barcin_N:I1581[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF7200, align: right"]0.07760804[/TD]
[TD]TUR_Barcin_N:I1100[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF7200, align: right"]0.07769861[/TD]
[TD]GRC_Peloponnese_N:I2318[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF6E00, align: right"]0.07844293[/TD]
[TD]TUR_Barcin_N:I0727[/TD]
[/TR]
[/TABLE]
[TABLE="class: distances"]
[TR]
[TH="align: right"]Distance to:[/TH]
[TH="align: left"]TUR_Tepecik_Ciftlik_N:Tep004[/TH]
[/TR]
[TR]
[TD="bgcolor: #FCFF00, align: right"]0.04945387[/TD]
[TD]TUR_Kumtepe_N:kum6[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFFB00, align: right"]0.05083390[/TD]
[TD]TUR_Barcin_N:I0745[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFEB00, align: right"]0.05391950[/TD]
[TD]GRC_Peloponnese_N:I3709[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFDD00, align: right"]0.05658492[/TD]
[TD]TUR_Barcin_N:I1103[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFD600, align: right"]0.05799886[/TD]
[TD]TUR_Barcin_N:I1099[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFD000, align: right"]0.05916145[/TD]
[TD]TUR_Barcin_N:I0746[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFCD00, align: right"]0.05988712[/TD]
[TD]GRC_Peloponnese_N:I3920[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFC600, align: right"]0.06125538[/TD]
[TD]TUR_Barcin_N:I1098[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFC200, align: right"]0.06189196[/TD]
[TD]GRC_Peloponnese_N:I2937[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFBE00, align: right"]0.06276840[/TD]
[TD]TUR_Barcin_N:I0709[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFBC00, align: right"]0.06315705[/TD]
[TD]TUR_Barcin_N:I0708[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFB700, align: right"]0.06404936[/TD]
[TD]TUR_Barcin_N:I1583[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFB700, align: right"]0.06406274[/TD]
[TD]TUR_Barcin_N:I1101[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFB200, align: right"]0.06518139[/TD]
[TD]TUR_Barcin_N:I0726[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFB000, align: right"]0.06541242[/TD]
[TD]GRC_Peloponnese_N:I3708[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFA700, align: right"]0.06726597[/TD]
[TD]TUR_Barcin_N:I0707[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFA700, align: right"]0.06728006[/TD]
[TD]TUR_Barcin_N:I1097[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFA100, align: right"]0.06839277[/TD]
[TD]TUR_Barcin_N:I1096[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF8E00, align: right"]0.07206429[/TD]
[TD]TUR_Barcin_N:I1580[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF8E00, align: right"]0.07222667[/TD]
[TD]TUR_Barcin_N:I0744[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF8700, align: right"]0.07345553[/TD]
[TD]TUR_Barcin_N:I0727[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF8600, align: right"]0.07365398[/TD]
[TD]TUR_Barcin_N:I1102[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF7C00, align: right"]0.07560189[/TD]
[TD]TUR_Barcin_N:I1100[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF7200, align: right"]0.07762633[/TD]
[TD]TUR_Barcin_N:I0736[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF7100, align: right"]0.07781747[/TD]
[TD]GRC_Peloponnese_N:I2318[/TD]
[/TR]
[/TABLE]
[TABLE="class: distances"]
[TR]
[TH="align: right"]Distance to:[/TH]
[TH="align: left"]TUR_Tepecik_Ciftlik_N:Tep003[/TH]
[/TR]
[TR]
[TD="bgcolor: #DEFF00, align: right"]0.04361842[/TD]
[TD]GRC_Peloponnese_N:I3920[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFFC00, align: right"]0.05051103[/TD]
[TD]TUR_Kumtepe_N:kum6[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFEB00, align: right"]0.05383395[/TD]
[TD]GRC_Peloponnese_N:I3709[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFC700, align: right"]0.06104788[/TD]
[TD]TUR_Barcin_N:I1098[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFBE00, align: right"]0.06267554[/TD]
[TD]TUR_Barcin_N:I0708[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFAC00, align: right"]0.06621899[/TD]
[TD]TUR_Barcin_N:I1103[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF9F00, align: right"]0.06890065[/TD]
[TD]GRC_Peloponnese_N:I3708[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF9300, align: right"]0.07126312[/TD]
[TD]TUR_Barcin_N:I0745[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF8E00, align: right"]0.07216711[/TD]
[TD]TUR_Barcin_N:I1099[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF7900, align: right"]0.07619903[/TD]
[TD]TUR_Barcin_N:I1583[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF7800, align: right"]0.07655813[/TD]
[TD]TUR_Barcin_N:I0707[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF7600, align: right"]0.07687433[/TD]
[TD]TUR_Barcin_N:I1101[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF7400, align: right"]0.07717897[/TD]
[TD]GRC_Peloponnese_N:I2937[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF7000, align: right"]0.07796616[/TD]
[TD]TUR_Barcin_N:I0746[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF6E00, align: right"]0.07850626[/TD]
[TD]TUR_Barcin_N:I1580[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF6D00, align: right"]0.07870120[/TD]
[TD]TUR_Barcin_N:I1097[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF6B00, align: right"]0.07902002[/TD]
[TD]TUR_Barcin_N:I0727[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF6900, align: right"]0.07941184[/TD]
[TD]GRC_Peloponnese_N:I2318[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF6400, align: right"]0.08041699[/TD]
[TD]TUR_Barcin_N:I0736[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF6200, align: right"]0.08070134[/TD]
[TD]TUR_Barcin_N:I1102[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF6100, align: right"]0.08100445[/TD]
[TD]TUR_Barcin_N:I1096[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF5800, align: right"]0.08276708[/TD]
[TD]TUR_Barcin_N:I0709[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF5500, align: right"]0.08335463[/TD]
[TD]TUR_Barcin_N:I1581[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF5300, align: right"]0.08382132[/TD]
[TD]TUR_Barcin_N:I0724[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF4C00, align: right"]0.08513109[/TD]
[TD]TUR_Barcin_N:I0744[/TD]
[/TR]
[/TABLE]
[TABLE="class: distances"]
[TR]
[TH="align: right"]Distance to:[/TH]
[TH="align: left"]TUR_Tepecik_Ciftlik_N:Tep002[/TH]
[/TR]
[TR]
[TD="bgcolor: #ADFF00, align: right"]0.03399882[/TD]
[TD]TUR_Barcin_N:I1098[/TD]
[/TR]
[TR]
[TD="bgcolor: #BCFF00, align: right"]0.03687600[/TD]
[TD]TUR_Barcin_N:I1103[/TD]
[/TR]
[TR]
[TD="bgcolor: #D0FF00, align: right"]0.04088118[/TD]
[TD]TUR_Barcin_N:I0736[/TD]
[/TR]
[TR]
[TD="bgcolor: #D3FF00, align: right"]0.04131332[/TD]
[TD]GRC_Peloponnese_N:I3708[/TD]
[/TR]
[TR]
[TD="bgcolor: #DDFF00, align: right"]0.04336829[/TD]
[TD]TUR_Barcin_N:I1580[/TD]
[/TR]
[TR]
[TD="bgcolor: #DFFF00, align: right"]0.04375531[/TD]
[TD]TUR_Barcin_N:I0708[/TD]
[/TR]
[TR]
[TD="bgcolor: #E1FF00, align: right"]0.04417340[/TD]
[TD]GRC_Peloponnese_N:I2318[/TD]
[/TR]
[TR]
[TD="bgcolor: #E5FF00, align: right"]0.04498871[/TD]
[TD]TUR_Barcin_N:I1102[/TD]
[/TR]
[TR]
[TD="bgcolor: #ECFF00, align: right"]0.04617913[/TD]
[TD]TUR_Barcin_N:I1583[/TD]
[/TR]
[TR]
[TD="bgcolor: #F4FF00, align: right"]0.04787237[/TD]
[TD]TUR_Barcin_N:I1581[/TD]
[/TR]
[TR]
[TD="bgcolor: #F9FF00, align: right"]0.04877690[/TD]
[TD]GRC_Peloponnese_N:I3709[/TD]
[/TR]
[TR]
[TD="bgcolor: #F9FF00, align: right"]0.04877703[/TD]
[TD]TUR_Barcin_N:I1097[/TD]
[/TR]
[TR]
[TD="bgcolor: #FCFF00, align: right"]0.04936038[/TD]
[TD]GRC_Peloponnese_N:I3920[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFFB00, align: right"]0.05072004[/TD]
[TD]TUR_Barcin_N:I0724[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFFB00, align: right"]0.05072214[/TD]
[TD]TUR_Barcin_N:I1101[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFFA00, align: right"]0.05099348[/TD]
[TD]TUR_Barcin_N:I1099[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFF200, align: right"]0.05260709[/TD]
[TD]TUR_Barcin_N:I0707[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFED00, align: right"]0.05349496[/TD]
[TD]GRC_N:I5427[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFEB00, align: right"]0.05386527[/TD]
[TD]TUR_Barcin_N:I1100[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFEA00, align: right"]0.05410922[/TD]
[TD]TUR_Barcin_N:I1096[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFE100, align: right"]0.05592252[/TD]
[TD]TUR_Barcin_N:I0723[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFDC00, align: right"]0.05691359[/TD]
[TD]TUR_Barcin_N:I0745[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFD600, align: right"]0.05808627[/TD]
[TD]TUR_Barcin_N:I0744[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFD000, align: right"]0.05926109[/TD]
[TD]TUR_Barcin_N:I0727[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFC500, align: right"]0.06136272[/TD]
[TD]GRC_Peloponnese_N:I2937
[/TD]
[/TR]
[/TABLE]