May 12, 2026

United Rugby Championship Predictions for Week 18

Team Ratings for Week 18

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
Bulls 9.57 8.86 0.70
Leinster 8.75 13.41 -4.70
Stormers 6.69 4.17 2.50
Glasgow 5.94 6.18 -0.20
Lions 3.18 -1.19 4.40
Munster 2.48 3.65 -1.20
Connacht 1.68 -1.39 3.10
Sharks 1.39 1.29 0.10
Ulster 0.20 -3.24 3.40
Ospreys -2.08 -2.15 0.10
Edinburgh -2.24 2.67 -4.90
Cardiff Rugby -2.26 -2.74 0.50
Scarlets -3.03 -0.54 -2.50
Benetton -6.66 -2.32 -4.30
Dragons -10.20 -15.66 5.50
Zebre -13.41 -11.02 -2.40

 

Performance So Far

So far there have been 136 matches played, 93 of which were correctly predicted, a success rate of 68.4%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Glasgow vs. Cardiff Rugby May 09 40 – 17 14.10 TRUE
2 Ulster vs. Stormers May 09 38 – 38 0.70 FALSE
3 Bulls vs. Zebre May 09 54 – 19 28.60 TRUE
4 Sharks vs. Benetton May 10 46 – 7 12.50 TRUE
5 Leinster vs. Lions May 10 31 – 7 11.10 TRUE
6 Ospreys vs. Scarlets May 10 27 – 20 1.80 TRUE
7 Connacht vs. Munster May 10 26 – 7 -0.90 FALSE
8 Dragons vs. Edinburgh May 10 15 – 24 0.20 FALSE

 

Predictions for Week 18

Here are the predictions for Week 18. 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 Cardiff Rugby vs. Stormers May 16 Stormers -1.90
2 Edinburgh vs. Connacht May 16 Edinburgh 3.10
3 Ulster vs. Glasgow May 16 Ulster 1.30
4 Sharks vs. Zebre May 16 Sharks 21.80
5 Bulls vs. Benetton May 17 Bulls 23.20
6 Leinster vs. Ospreys May 17 Leinster 17.80
7 Scarlets vs. Dragons May 17 Scarlets 9.20
8 Munster vs. Lions May 17 Munster 6.30

 

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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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