Bunnings NPC Predictions for Week 9
Team Ratings for Week 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 | |
|---|---|---|---|
| Wellington | 13.22 | 8.72 | 4.50 | 
| Canterbury | 7.14 | 9.44 | -2.30 | 
| North Harbour | 5.27 | 7.75 | -2.50 | 
| Tasman | 5.01 | 2.20 | 2.80 | 
| Waikato | 4.39 | 3.71 | 0.70 | 
| Auckland | 3.59 | 2.15 | 1.40 | 
| Hawke’s Bay | 3.38 | 5.12 | -1.70 | 
| Bay of Plenty | 2.61 | 4.55 | -1.90 | 
| Taranaki | 1.23 | -2.98 | 4.20 | 
| Otago | -4.23 | 0.62 | -4.90 | 
| Counties Manukau | -4.25 | -7.44 | 3.20 | 
| Northland | -5.11 | -3.92 | -1.20 | 
| Southland | -11.59 | -12.27 | 0.70 | 
| Manawatu | -17.18 | -14.18 | -3.00 | 
Performance So Far
So far there have been 63 matches played, 46 of which were correctly predicted, a success rate of 73%.
Here are the predictions for last week’s games.
| Game | Date | Score | Prediction | Correct | |
|---|---|---|---|---|---|
| 1 | Southland vs. Bay of Plenty | Sep 27 | 23 – 25 | -12.90 | TRUE | 
Predictions for Week 9
Here are the predictions for Week 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 | Auckland vs. Northland | Sep 29 | Auckland | 11.70 | 
| 2 | Waikato vs. Canterbury | Sep 30 | Waikato | 0.20 | 
| 3 | Wellington vs. Hawke’s Bay | Sep 30 | Wellington | 12.80 | 
| 4 | Taranaki vs. North Harbour | Sep 30 | North Harbour | -1.00 | 
| 5 | Bay of Plenty vs. Tasman | Oct 01 | Bay of Plenty | 0.60 | 
| 6 | Otago vs. Counties Manukau | Oct 01 | Otago | 3.00 | 
| 7 | Manawatu vs. Southland | Oct 01 | Southland | -2.60 |