We periodically get the official stats as published by the game developers. The stats for each game are then processed according to the rules of the tournament. What accumulates to your overall score is based on the information shown below.
The value of each + and - is shown in each tournament page.
League Of Legends
Tournament Type - KDA (Kill Death Assist) - General Tournament Win
Total Healing +0.0001
Damage dealt to champions +0.0002
Damage dealt to objectives +0.0002