Rugby Premiership Predictions for Round 9
Team Ratings for Round 9
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 | |
|---|---|---|---|
| Exeter Chiefs | 5.28 | 7.35 | -2.10 | 
| Wasps | 3.20 | 5.66 | -2.50 | 
| Sale Sharks | 2.41 | 4.96 | -2.60 | 
| Saracens | 1.65 | -5.00 | 6.70 | 
| Harlequins | 1.22 | -1.08 | 2.30 | 
| Leicester Tigers | 0.82 | -6.14 | 7.00 | 
| Bristol | -1.25 | 1.28 | -2.50 | 
| Gloucester | -1.56 | -1.02 | -0.50 | 
| Northampton Saints | -1.80 | -2.48 | 0.70 | 
| Newcastle Falcons | -2.32 | -3.52 | 1.20 | 
| Bath | -2.92 | 2.14 | -5.10 | 
| London Irish | -6.08 | -8.05 | 2.00 | 
| Worcester Warriors | -10.27 | -5.71 | -4.60 | 
Performance So Far
So far there have been 48 matches played, 22 of which were correctly predicted, a success rate of 45.8%.
Here are the predictions for last week’s games.
| Game | Date | Score | Prediction | Correct | |
|---|---|---|---|---|---|
| 1 | Leicester Tigers vs. Bath | Nov 06 | 40 – 23 | 7.10 | TRUE | 
| 2 | Bristol vs. Worcester Warriors | Nov 07 | 27 – 5 | 12.40 | TRUE | 
| 3 | Exeter Chiefs vs. Newcastle Falcons | Nov 07 | 14 – 15 | 13.70 | FALSE | 
| 4 | Sale Sharks vs. Northampton Saints | Nov 07 | 30 – 6 | 6.90 | TRUE | 
| 5 | Saracens vs. London Irish | Nov 07 | 34 – 34 | 13.70 | FALSE | 
| 6 | Wasps vs. Harlequins | Nov 08 | 16 – 26 | 8.40 | FALSE | 
Predictions for Round 9
Here are the predictions for Round 9. 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. Exeter Chiefs | Nov 28 | Exeter Chiefs | -3.70 | 
| 2 | Bristol vs. Northampton Saints | Nov 28 | Bristol | 5.00 | 
| 3 | Harlequins vs. London Irish | Nov 28 | Harlequins | 11.80 | 
| 4 | Newcastle Falcons vs. Worcester Warriors | Nov 28 | Newcastle Falcons | 12.50 | 
| 5 | Saracens vs. Sale Sharks | Nov 28 | Saracens | 3.70 | 
| 6 | Wasps vs. Gloucester | Nov 28 | Wasps | 9.30 |