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 | |
|---|---|---|---|
| Canterbury | 7.35 | 2.00 | 5.30 | 
| Hawke’s Bay | 5.12 | 5.87 | -0.70 | 
| North Harbour | 4.79 | 2.31 | 2.50 | 
| Waikato | 4.27 | 2.00 | 2.30 | 
| Wellington | 4.24 | 3.58 | 0.70 | 
| Tasman | 4.05 | 5.94 | -1.90 | 
| Bay of Plenty | 3.84 | 0.10 | 3.70 | 
| Auckland | 3.44 | 4.50 | -1.10 | 
| Otago | -0.39 | -1.63 | 1.20 | 
| Taranaki | -0.69 | 3.63 | -4.30 | 
| Northland | -6.09 | -6.68 | 0.60 | 
| Counties Manukau | -6.22 | -6.32 | 0.10 | 
| Southland | -9.49 | -7.01 | -2.50 | 
| Manawatu | -11.90 | -5.97 | -5.90 | 
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 | Bay of Plenty vs. Northland | Sep 28 | 21 – 23 | 14.00 | FALSE | 
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 | Hawke’s Bay vs. Tasman | Sep 30 | Hawke’s Bay | 3.60 | 
| 2 | Southland vs. North Harbour | Oct 01 | North Harbour | -11.80 | 
| 3 | Auckland vs. Taranaki | Oct 01 | Auckland | 6.60 | 
| 4 | Otago vs. Canterbury | Oct 01 | Canterbury | -5.20 | 
| 5 | Counties Manukau vs. Wellington | Oct 02 | Wellington | -8.00 | 
| 6 | Northland vs. Manawatu | Oct 02 | Northland | 8.30 | 
| 7 | Waikato vs. Bay of Plenty | Oct 02 | Waikato | 2.90 |