@dorbsdee thanks sa info. Eto quote ko lang din, nakita ko sa ibang forum posted july 2017:
From what I've been observing since February, nsw is quite clear in their invite pattern... First and foremost they look into high points within an anzsco code... Let's assume 70... They rank their candidates with 70 points based on English... Within candidates with 70 and 20 for English they order it on the basis of work ex. If two candidates have the same points, English as well as work ex, then it's about your EOI date.
They've also mentioned this on their website... No idea why ppl call it random