RWC 2023 Predictions for Week 4
Team Ratings for Week 4
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 | |
|---|---|---|---|
| Ireland | 18.17 | 15.46 | 2.70 |
| South Africa | 17.89 | 16.35 | 1.50 |
| New Zealand | 17.23 | 16.32 | 0.90 |
| France | 14.26 | 12.48 | 1.80 |
| England | 7.25 | 4.22 | 3.00 |
| Scotland | 6.86 | 6.81 | 0.10 |
| Wales | 3.01 | 0.75 | 2.30 |
| Australia | 1.43 | 2.63 | -1.20 |
| Argentina | 1.27 | 1.23 | 0.00 |
| Fiji | 0.62 | 0.58 | 0.00 |
| Samoa | -0.41 | -0.50 | 0.10 |
| Georgia | -3.79 | -2.56 | -1.20 |
| Japan | -5.77 | -6.10 | 0.30 |
| Italy | -6.67 | -8.84 | 2.20 |
| Tonga | -12.55 | -11.38 | -1.20 |
| Portugal | -13.49 | -13.61 | 0.10 |
| Uruguay | -15.22 | -15.47 | 0.20 |
| Namibia | -18.29 | -13.18 | -5.10 |
| Chile | -18.62 | -15.13 | -3.50 |
| Romania | -20.15 | -17.02 | -3.10 |
Performance So Far
So far there have been 24 matches played, 20 of which were correctly predicted, a success rate of 83.3%.
Here are the predictions for last week’s games.
| Game | Date | Score | Prediction | Correct | |
|---|---|---|---|---|---|
| 1 | Italy vs. Uruguay | Sep 20 | 38 – 17 | 7.30 | TRUE |
| 2 | France vs. Namibia | Sep 21 | 96 – 0 | 35.30 | TRUE |
| 3 | Argentina vs. Samoa | Sep 22 | 19 – 10 | 0.30 | TRUE |
| 4 | Georgia vs. Portugal | Sep 23 | 18 – 18 | 10.80 | FALSE |
| 5 | England vs. Chile | Sep 23 | 71 – 0 | 22.30 | TRUE |
| 6 | South Africa vs. Ireland | Sep 23 | 8 – 13 | 0.60 | FALSE |
| 7 | Scotland vs. Tonga | Sep 24 | 45 – 17 | 18.40 | TRUE |
| 8 | Wales vs. Australia | Sep 24 | 40 – 6 | -1.20 | FALSE |
Predictions for Week 4
Here are the predictions for Week 4. 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 | Uruguay vs. Namibia | Sep 27 | Uruguay | 3.10 |
| 2 | Japan vs. Samoa | Sep 28 | Samoa | -5.40 |
| 3 | New Zealand vs. Italy | Sep 29 | New Zealand | 23.90 |
| 4 | Argentina vs. Chile | Sep 30 | Argentina | 19.90 |
| 5 | Fiji vs. Georgia | Sep 30 | Fiji | 4.40 |
| 6 | Scotland vs. Romania | Sep 30 | Scotland | 27.00 |
| 7 | Australia vs. Portugal | Oct 01 | Australia | 14.90 |
| 8 | South Africa vs. Tonga | Oct 01 | South Africa | 30.40 |
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