March 25, 2025

Rugby Premiership Predictions for Round 13

Team Ratings for Round 13

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
Bath 13.68 5.55 8.10
Leicester Tigers 6.03 3.27 2.80
Bristol 5.33 9.58 -4.30
Sale Sharks 4.90 4.73 0.20
Harlequins 1.68 -2.73 4.40
Northampton Saints 1.54 7.50 -6.00
Gloucester 1.15 -9.04 10.20
Saracens -0.50 9.68 -10.20
Exeter Chiefs -2.16 1.23 -3.40
Newcastle Falcons -20.91 -19.02 -1.90

 

Performance So Far

So far there have been 60 matches played, 39 of which were correctly predicted, a success rate of 65%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Newcastle Falcons vs. Sale Sharks Mar 22 15 – 39 -18.10 TRUE
2 Bristol vs. Exeter Chiefs Mar 23 52 – 38 14.00 TRUE
3 Northampton Saints vs. Leicester Tigers Mar 23 0 – 33 10.80 FALSE
4 Saracens vs. Harlequins Mar 23 12 – 23 8.20 FALSE
5 Bath vs. Gloucester Mar 24 42 – 26 19.80 TRUE

 

Predictions for Round 13

Here are the predictions for Round 13. 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 Bath vs. Harlequins Mar 30 Bath 18.50
2 Exeter Chiefs vs. Newcastle Falcons Mar 30 Exeter Chiefs 25.30
3 Gloucester vs. Bristol Mar 30 Gloucester 2.30
4 Leicester Tigers vs. Saracens Mar 30 Leicester Tigers 13.00
5 Sale Sharks vs. Northampton Saints Mar 30 Sale Sharks 9.90

 

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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 »

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