Super 15 Predictions for Round 12
Team Ratings for Round 12
The basic method is described on my Department home page. I have made some changes to the methodology this year, including shrinking the ratings between seasons.
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 | |
|---|---|---|---|
| Crusaders | 7.24 | 8.80 | -1.60 |
| Sharks | 5.52 | 4.57 | 1.00 |
| Brumbies | 4.92 | 4.12 | 0.80 |
| Chiefs | 3.21 | 4.38 | -1.20 |
| Waratahs | 2.76 | 1.67 | 1.10 |
| Bulls | 2.19 | 4.87 | -2.70 |
| Hurricanes | 1.92 | -1.44 | 3.40 |
| Stormers | 0.14 | 4.38 | -4.20 |
| Reds | -1.35 | 0.58 | -1.90 |
| Blues | -1.61 | -1.92 | 0.30 |
| Highlanders | -2.06 | -4.48 | 2.40 |
| Force | -2.36 | -5.37 | 3.00 |
| Cheetahs | -3.10 | 0.12 | -3.20 |
| Rebels | -4.77 | -6.36 | 1.60 |
| Lions | -5.65 | -6.93 | 1.30 |
Performance So Far
So far there have been 67 matches played, 41 of which were correctly predicted, a success rate of 61.2%.
Here are the predictions for last week’s games.
| Game | Date | Score | Prediction | Correct | |
|---|---|---|---|---|---|
| 1 | Blues vs. Waratahs | Apr 25 | 21 – 13 | -1.60 | FALSE |
| 2 | Brumbies vs. Chiefs | Apr 25 | 41 – 23 | 4.00 | TRUE |
| 3 | Sharks vs. Highlanders | Apr 25 | 18 – 34 | 15.10 | FALSE |
| 4 | Hurricanes vs. Reds | Apr 26 | 35 – 21 | 6.30 | TRUE |
| 5 | Force vs. Bulls | Apr 26 | 15 – 9 | -1.50 | FALSE |
| 6 | Cheetahs vs. Stormers | Apr 26 | 35 – 22 | -2.60 | FALSE |
Predictions for Round 12
Here are the predictions for Round 12. 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 | Blues vs. Reds | May 02 | Blues | 3.70 |
| 2 | Rebels vs. Sharks | May 02 | Sharks | -6.30 |
| 3 | Crusaders vs. Brumbies | May 03 | Crusaders | 6.30 |
| 4 | Chiefs vs. Lions | May 03 | Chiefs | 12.90 |
| 5 | Waratahs vs. Hurricanes | May 03 | Waratahs | 4.80 |
| 6 | Stormers vs. Highlanders | May 03 | Stormers | 6.20 |
| 7 | Bulls vs. Cheetahs | May 03 | Bulls | 7.80 |
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