| §0 | The judges have the final say. | |
| §1 |
A new challenge will be made available every weekday up to Christmas Eve. The windows open at 12:15 CET.
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| §2 | The scoring system has four levels of tie-breaking. These are, in order of decreasing importance, number of solved challenges, total acquired challenge score, discrete time reduction and finally exact time of last solved challenge. | |
| §3 | Everyone is welcome allowed to participate as long as they haven't been part of building thedJulkalendern. | |
| §4 | Cooperation is encouraged. | |
| §5 | The judges reserve the right to at any moment change or append information to challenges. | |
| §7 | The solution will always be a single English word. It is not case sensitive. | |
| §8 | It is not allowed to hinder other players from participating in dJulkalendern. This includes but is not limited to disrupting access to various services that we host. | |
| §9 | It is not allowed to use bruteforce on the solution page to try to solve a window. For example, simply inputting part of a dictionary, large list of words, or similar, is not allowed. | |
| §10 | Only windows with positive numbers give points. Window -1 is available, but is not part of the contest. To prevent forcing people having to spend their precious time on trivialities on a day as holy as Christmas eve, 24 is considered a negative number. Non-scored windows are marked as such by having a Christmassy green color instead of a festive red. |
| Solved Challenges |
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| The number of challenges a user has solved. |
| Pride and Accomplishment Score |
| Every challenge will have a difficulty set beforehand by the judges. For each challenge a user solves, its difficulty level will be added to that user's PA-score. |
| Discrete Time Reduction |
| A battle of duckies should not be determined by milliseconds. It requires a more... discrete solution. For each challenge a user solves, p(t) will be added to their DTR-score. p(t) = min(5, ceil( log2( t/15 + 1 ) - 1 ) ), t := minutes passed since the release of the challenge. Less is more, i.e. a lower score precedes a higher one. |
| Exact Time of Last Solution |
| Some battles call for escalating discretion... As a final tie-breaker we'll therefore use the exact timestamp of a user's last solved date. |