Arr, you beat me too it 
. Oh well, I´ll post mine as well, maybe the best of both translations can be compiled together or something.
[Made a translation attempt. There may be some spelling errors etc, so it would be good if someone else checked it. I also had problems with some parts, so I have comments between brackets on those places]
[I´ve used match for the Swedish "match", though it might be that "game" would be a better translation. I am unsure]
Teecup Rules
* Matches are played as DM with X players.
* The number of matches are decided as the cup starts and depends on the number of players.
* If a player has not signed up before the cup starts he or she may not take part. Admins may make exceptions too this rule if they have good reason.
* PLayers that repeatedly give admins a hard time may be removed from the cup if it is considered fair.
[I´m not really sure about the translation of this one, since I´m not really sure of exactly what you mean]
* Not knowing the rules is no excuse, if a player breaks a rule he or she didn´t know of the player is still too blame.
Before a match
* Once a match is registered on the teecup homepage, it´s up too the participants too agree on the exact time for it. The match must be played withing 7 days after being registered.
[NOt sure this is right, cause I don´t really know how the homepage will work. The Swedish version were a bit unclear.]
* If the participants can´t agree on when too play the match, or if some players prove hard too contact, the problem shall be reported too the match´s admin who decides what too do.
* Admin may deside too cancel the match. If this happens the participants are too be moved too other matches instead.
* If an earlier match was cancelled, admin may decide that some coming matches are played with X+1 players.
[Used "some" since I assume you don´t mean 2 with "ett par"]
* If there are any other problems before the match this should be reported too the admin of the the match.
* Matches are played on the given server that´s not connected too the masterserver. If problems come up it may be moved too another server if all participants agree on this.
[I don´t really know what a masterserver is so I don´t really understad this. Thus I may have gotten something wrong.]
During the match
* Every match consists of 2 rounds, each lasting 15 minutes. At the end of each round, all players take a snapshot of the score.
* One "warmup round" is played before each round. It is recommended that this time is also used too fix your screenshot. Once the warmup round is over the match starts.
[I wrote this as the Swedish version was written, but I think it´s inconsistant. Do you mean that there´s 1 warmup round before the match, or 1 before each round of the match?]
* Use of all weapons, techniques and functions belonging too the game are allowed.
* If a server failure or any other problem occur during the match, such as a player leaving the server or unauthorised players managing too join it, the match´s admin shall be contacted immediately. Admin and the players are then too agree on an appropriate solution.
* When the match is over it is the winners responsibility too send snapshots of the score too the match´s admin.
After the match
* The scores from the two rounds are added together.
* The 2 players with the best score advance in the cup, the other 2 are out.
[So it´s suddenly X = 4? Please review this in the Swedish version, and then here]
* If some players have a tied score resulting in it being impossible too determine who advances, a forth round is played. Only the players with a tied score take part in this round. This round only decides the order of the people with a tied score, the other players keep their positions. If it is naccessary, more rounds are played this way until a final result is reached.
[Forth round? I thought there were 2 rounds. Unless there were in fact only one warmup round and that you counted that one. Please review this in the Swedish version and then here.]
* If the winner forgets or gets trouble with sending in the screenshot, the match is valid only under two conditions: Either if another player sends in a screenshot, or if all 4 players agree on what the result was.
[Again, X=4 always?]
* If the match is not valid, it has too start all over again. The match´s admin shall be contacted and the participants are once again too agree on a time for the match.
