June 6, 2023

Super Rugby Predictions for the Quarter-finals

Team Ratings for the Quarter-finals

The basic method is described on my Department home page.
Here are the team ratings prior to this week’s games, along with the ratings at the start of the season.

Current Rating Rating at Season Start Difference
Crusaders 17.01 17.95 -0.90
Chiefs 13.48 8.81 4.70
Blues 12.81 12.34 0.50
Hurricanes 10.19 9.59 0.60
Brumbies 6.35 6.64 -0.30
Highlanders 1.30 5.04 -3.70
Reds -0.51 1.89 -2.40
Waratahs -1.68 -2.50 0.80
Rebels -4.61 -6.19 1.60
Western Force -6.15 -5.54 -0.60
Fijian Drua -8.77 -10.50 1.70
Moana Pasifika -10.80 -8.91 -1.90

 

Performance So Far

So far there have been 84 matches played, 64 of which were correctly predicted, a success rate of 76.2%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Blues vs. Highlanders Jun 02 16 – 9 15.80 TRUE
2 Brumbies vs. Rebels Jun 02 33 – 17 14.20 TRUE
3 Fijian Drua vs. Reds Jun 03 41 – 17 -6.90 FALSE
4 Hurricanes vs. Crusaders Jun 03 27 – 26 -3.80 FALSE
5 Waratahs vs. Moana Pasifika Jun 03 24 – 33 16.50 FALSE
6 Western Force vs. Chiefs Jun 04 19 – 43 -13.20 TRUE

 

Predictions for the Quarter-finals

Here are the predictions for the Quarter-finals. The prediction is my estimated expected points difference with a positive margin being a win to the home team, and a negative margin a win to the away team.

Game Date Winner Prediction
1 Blues vs. Waratahs Jun 09 Blues 20.00
2 Chiefs vs. Reds Jun 10 Chiefs 19.50
3 Crusaders vs. Fijian Drua Jun 10 Crusaders 31.30
4 Brumbies vs. Hurricanes Jun 10 Brumbies 1.70

 

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David Scott obtained a BA and PhD from the Australian National University and then commenced his university teaching career at La Trobe University in 1972. He has taught at La Trobe University, the University of Sheffield, Bond University and Colorado State University, joining the University of Auckland, based at Tamaki Campus, in mid-1995. He has been Head of Department at La Trobe University, Acting Dean and Associate Dean (Academic) at Bond University, and Associate Director of the Centre for Quality Management and Data Analysis at Bond University with responsibility for Short Courses. He was Head of the Department of Statistics in 2000, and is a past President of the New Zealand Statistical Assocation. See all posts by David Scott »