See Rule 3.4.d.:
d. If a match is played as a 5v5, the overall scores will be multiplied by 1.414 and all individual scores will be multiplied by 1.18, rounded to whole numbers to represent the scores of a 6v6 match.
Therefore, all individual scores have been multiplied by 1.18, and team scores have been multiplied by 1.414.
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See Rule 3.5.a.:
a. Clan tags must stand in front of your nickname and have to begin in the first spot of the Mii’s name. Failure to do so will result in a -10 (-7 in a 5v5) points penalty for the match.
Therefore, FuZion will receive a -10pt penalty due to Kiss not having the right tag.
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See Rule 3.5.d.:
d. Players must use a Mii name which makes them easily recognizable as their alias on the MKCentral registry. Failure to do so will result in a -10 (-7 in a 5v5) points penalty for the match.
Therefore, FuZion will receive a -10pt penalt due to Kiss not having the right name.
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Final score is therefore
FuZion 513 - 451 Kev03's Gamers
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Match is approved.