10 points are available for each predicted value, but only 5 are available for the tour location weather. The maximum possible score is 75 for a perfect prediction, which could be doubled to 150 if the joker is used. You do not have to understand the following technical breakdown of how the scoring works to play the game.
Climatology bonus
At the start of the competition, you are asked to predict the mean daily maximum temperature and total rainfall between the first Saturday and the Sunday of the final week. Predictions of each are required for cool, normal or warm mean temperature and dry, normal or wet for rainfall. 10 bonus points will be awarded for correctly predicting the temperature category and another 10 points for rainfall. If both are correctly predicted then a further 5 bonus points will be awarded, giving a maximum of 25 points.
Joker
Each player has a joker that they can use in one week. Playing the joker doubles the points scored in that week, whether positive or negative. It is therefore advised to use the joker in a week that you are most confident.
Temperature forecasts
Each forecast should be to a precision of 0.1. These forecasts will be scored as follows, where the difference is the absolute value.
Difference from observation (d) | Score |
d < 1.1 | 10 - d |
1.1 <= d < 3.7 | 0.1 x floor(100-(3d)2) |
3.7 <= d | 0.1 x ceiling(20/(d-3)) - 5 |
Precipitation and sunshine forecasts
Each forecast should be to a precision of 0.1. These forecasts will be scored as follows where f is the forecast value and o is the observed value.
Difference from observation (d) | Score |
All | (( 10 - d ) + ( floor(150 - 150d/(1+max(f,o)))/10 - 5 )) /2 |
Tour location weather
5 points will be awarded if the weather at the tour location is correctly
predicted, regardless of what the observed weather type is.
Drop week
Each player's lowest score is not counted when determining the final standings, therefore if you miss a week of the game or have one particularly bad week you still have a chance to win a prize. The dropped score will take effect after 2 weeks of the game.
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