When you compare a game in R3 to the GF you’re going to see different results, surely you understand this.2019: GWS beat Richmond @ Sydney, Richmond beat GWS @ Melbourne (home teams win - grand final home team wins)
2018: WC beat Collingwood @ Melbourne, WC beat Collingwood @ Perth (WC win everywhere and win gf away as well)
2017: Adelaide beat Richmond @ Adelaide (home teams win - grand final home team wins)
2016: Bulldogs beat Sydney @ Sydney (Bulldogs won away and at home - exception to rule)
2015: Hawthorn beat WC @ Perth, WC beat Hawthorn @ Perth (WC split with Hawthorn at home then lost grand final away)
2014: Sydney beat Hawthorn @ Sydney, Hawthorn beat Sydney @ Melbourne (home teams win - grand final home team wins)
2013: Hawthorn beat Fremantle @ Tasmania (home team wins again in grand final)
2012: Sydney beat Hawthorn @ Tasmania, Hawthorn beats Sydney @ Sydney (Sydney wins away grand final like the other results earlier in the year away team wins)
Every year a trend was followed other than 2016 and possibly 2015