July 8, 2025

NRL Predictions for Round 19

Team Ratings for Round 19

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
Storm 10.37 9.29 1.10
Panthers 5.13 8.50 -3.40
Roosters 4.94 7.44 -2.50
Dolphins 3.65 -1.96 5.60
Sea Eagles 2.59 2.97 -0.40
Bulldogs 2.43 0.07 2.40
Sharks 2.43 5.10 -2.70
Raiders 1.36 -3.61 5.00
Broncos 0.66 -1.82 2.50
Warriors -0.07 -1.68 1.60
Cowboys -1.50 4.11 -5.60
Knights -2.78 -0.05 -2.70
Dragons -4.05 -4.55 0.50
Eels -4.62 -3.02 -1.60
Rabbitohs -5.24 -4.35 -0.90
Wests Tigers -7.61 -10.97 3.40
Titans -7.70 -5.50 -2.20

 

Performance So Far

So far there have been 133 matches played, 79 of which were correctly predicted, a success rate of 59.4%.
Here are the predictions for last week’s games.

Game Date Score Prediction Correct
1 Bulldogs vs. Broncos Jul 04 18 – 22 5.80 FALSE
2 Raiders vs. Dragons Jul 05 28 – 24 9.00 TRUE
3 Cowboys vs. Storm Jul 05 20 – 26 -9.40 TRUE
4 Roosters vs. Wests Tigers Jul 06 28 – 30 17.30 FALSE
5 Sea Eagles vs. Rabbitohs Jul 06 30 – 12 10.00 TRUE

 

Predictions for Round 19

Here are the predictions for Round 19. 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 Sharks vs. Dolphins Jul 11 Sharks 1.80
2 Knights vs. Storm Jul 12 Storm -10.20
3 Dragons vs. Roosters Jul 12 Roosters -6.00
4 Cowboys vs. Bulldogs Jul 12 Bulldogs -0.90
5 Warriors vs. Wests Tigers Jul 13 Warriors 11.00
6 Eels vs. Panthers Jul 13 Panthers -6.80
7 Titans vs. Broncos Jul 13 Broncos -5.40

 

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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 »