This was done during a tournament "СПТ". I achieved this result in 1 week, never played this game casually before but i knew some other idtech games. You can find the info about the tourney here: https://docs.google.com/spreadsheets/d/1OmmAI6xzEbfzowbimrp10qIV-i0MUHRPzarc_xwOY8s/edit?gid=590175682#gid=590175682