Category Archives: Analysis & Opinion

A glance at the NRL with Poseidon ratings

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If you read my tips for round 1, you would have seen the Poseidon rating making an appearance. The purpose of the Poseidon rating system is to look at each team’s offensive and defensive capabilities separately, as well as their home and away performance, to see if their winning record is concealing strengths or weaknesses.

The underlying principle is quite simple. We look at how many tries a team scores, at home and away, and how many they conceded, similarly at home and away, and see how that stacks up against the league average over the previous twenty-four rounds.

The league average moves over time. In 2013, the home team scored 3.9 tries on average and the away team 3.2. In 2018, those numbers had changed to 3.6 and 3.1 respectively. While 0.3 tries per game may not seem like much, over a 192 game regular season schedule, that’s 57 tries that have gone missing, or about 316 points, just for the home teams.

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Who has the softest NRL draw in 2019?

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The current format of the NRL doesn’t allow for each team to play each other twice. Doing that would mean extending the season by another six weeks and, even if they players were up for that (which they are not), as an armchair analyst, I don’t think I could cope.

This means that not every team’s schedule is the same. For twenty-four games, each teams plays each other once and plays a second game against nine other teams. The NRL has no particular interest in trying to provide the mythical “balanced schedule” that would be fair for all teams and prefers to use the opportunity to use a doubling up of rivalry games to generate commercial returns.

This might seem grossly unfair, especially if your team has to play the premiers twice, but it is what it is. What I’m interested in looking at this week is how slanted the schedules are and who will have an easier time of the 2019 NRL season and who will have to do it the hard way.

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A deep dive for each team’s 2019 NRL season

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With the first Maori versus Indigenous All-stars game and another edition of the World Club Challenge in the history books, our attention turns to the NRL season ahead.

As with last year, I’m going to do a SWOP – Strength, Weakness, Opportunity and Prospect – analysis for each team. My general philosophy for judging a team’s prospects is that where a team finishes on the ladder the previous year is a more or less accurate reflection of their level, give or take a win or two. If no changes are made, we should see a similar performance if the season was repeated. There are exceptions, e.g. the Raiders pathological inability to close out a game should be relatively easy to fix and the Knights’ managed maybe two convincing wins in 2018 but still finished eleventh, but broadly, if a team finishes with seven wins and they hope to improve to thirteen and make the finals, then we should look at what significant changes have been made in order to make that leap up the table.

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A complete history of the Queensland Cup

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Last year, I did a series of graphs which told each NRL team’s history in the top flight since 1998. Despite expectations, it was pretty well received compared to the one I was expecting to generate a bit of interest.

Now that we have all of the Queensland Cup results, I thought I’d run the same exercise. I don’t expect all that much interest but I think it’s a shame that the Queensland Cup doesn’t garner more attention. The days of 30,000 attending the BRL grand final in the 1980s has been replaced by less than 10,000 turning up to the equivalent event in the 2010s, crushed under the homogenisation of rugby league culture in Brisbane and Queensland thanks to the twin-headed Orthrus* of the Maroons and the Broncos.

Part of the solution is to create some meaningful content about it and we’ll see more of it on this website this year. This post is the starting point, literally charting the competition’s history from its inception in 1996 through the turbulent early 00s period and into the relatively stability – dare I say, optimism – of the last ten years.

*It’s like Cerberus but with two heads.

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What’s new in 2019

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I had meant to do some wrap-up posts after I got back from my honeymoon but it felt like the moment had passed, being two or three weeks after the grand final, and I didn’t have much to say other than the navel gazing stuff that people really don’t care about it.

This tweet sums up the 2018 season on the blog pretty well though:

This post is about some of the stuff that’s changed and what’s a work in progress but mostly to let you know that we are indeed in business in 2019.

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Stats of Six: Is 2018 the worst top eight in NRL finals history?

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Using the same format I used during the rep weekend, this is the finals preview-ish post.

I didn’t get to do all the analysis I wanted to because I’ve run out of time. By the time this gets published, I should be somewhere in or around California starting my honeymoon, which I think should probably take priority. I won’t be filing from America (in fact I probably won’t see any rugby league for six weeks) but I will be back in October or November to do some post-season stuff.

This post relies pretty heavily on Elo ratings, so you might want to brush up.

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