Welcome back to The Wooden
Finger’s AFL Power Rankings, for 2016. These rankings have been a proud and
(relatively) popular part of this blog since 2011.
How do they work? Basically,
each club accumulates ranking points from a match like so:
· second,
adjust the net margin for home ground advantage – e.g. Perth clubs are
considered to have a two-goal disadvantage when playing in Melbourne, so a
six-goal win in Melbourne for a Perth club is adjusted to +48; and
· third,
weight the match according to how recent it is, with the most recent match
having the highest weight.
One can then interpret a
club’s ranking points as its expected net margin in a match if playing a club
of average ability on a neutral ground. For example, according to the rankings
Hawthorn would be expected to beat a Victorian club of average ability by about
six goals.
So here we stand at the start
of another AFL season, and many people are giving their predictions for the
premier and the final eight. Based on the rankings, my best prediction for the
premier is easy: it is Hawthorn to win a fourth straight flag. But that only
means Hawthorn is the most likely club to win, not that it is likely Hawthorn
will win. With any backward-looking ranking system generally the premier of
last season is a good chance to be the system’s favourite for this season.
Predictions for the final
eight are less clear, although again a backward-looking system will pick many
of the finalists from last season. Hawthorn, West Coast, Sydney, and Richmond
are all rated as likely finalists. With other contenders the
ease of their fixture plays more of a part. Port Adelaide and
Geelong, both decent clubs but non-finalists in 2015, have relatively
favourable draws, while North Melbourne and Adelaide have relatively tough
ones. Western Bulldogs and Fremantle are somewhere in the middle.
And then there is the move of
Patrick Dangerfield to consider. No individual player is likely to affect a
club’s results too much – see Geelong post-Gary Ablett and Hawthorn post-Lance
Franklin – but the best are probably worth a few points per game over a
replacement player. [Note: I drafted this before Dangerfield picked up 40-odd
possessions against the Hawks.] Dangerfield moved from Adelaide to Geelong
after last season, and the Cats added a few other handy players as well.
Put all that together and this
is my predicted final eight: Hawthorn, West Coast, Sydney, Richmond, Port
Adelaide, Western Bulldogs, North Melbourne, and Geelong. Yes, that does not
include Fremantle, who were last season’s minor premier, but who
tailed off considerably in the second half of the year. [Note:
I drafted this before Freo got belted by the Dogs.] But there is a good chance
that a club, or two, will improve significantly to knock out some of the
aforementioned teams – I just can’t predict who.
Many scramble to alter
their pre-season predictions after the first round, but not here: at Power
Rankings HQ we (by which I mean I) do not weight the evidence of one match more
than the previous twenty or so. A poor Richmond performance against Carlton
drops them down a bit, but I’m sticking with them for the finals. A great
Geelong performance against Hawthorn lifts them up a bit, but I’m not declaring
them the premiership favourite yet. Steady but adaptive adjustment of
expectations is the way of thinking here. I am changing my prediction to
Essendon for the wooden spoon though.