First winter ascents on 8000meters

First winter ascents on 8000meters...All possible scenarios regarding the Time limits of winter

Table description
The table lists in turn: the date the base was set up, the date when it reached the top, the names of the winner

A: ascent to the summit 01.12 - 28 / 29.02

B: ascent to the summit 21 / 22.12 - 28 / 29.02

C: ascent to the top 01.12 - 20 / 21.03

D: ascent to the summit 21 / 22.12 - 20 / 21.03

a: base established at the earliest 01.12; ascent to the summit at the latest on 28 / 29.02

b: base established at the earliest 21 / 22.12; ascent to the summit at the latest on 28 / 29.02

c: base established at the earliest 01.12; ascent to the top at the latest on 20 / 21.03

d: base established at the earliest 21 / 22.12; ascent to the top at the latest on 20 / 21.03

At Nanga Parbat there were two dates of establishing the base, because the three winter winners of this mountain belonged to two

separate expeditions. Simone Moro founded his base on December 27, 2015, Alex Txikon and Ali Sadpara on December 31, 20
Credit: Dominobb twt