How to understand soccer win/loss calculator

The soccer win-loss calculator is understood as taking the score of the first half of both sides and figuring it out. Then see what the score is in the second half long. Add up the scores of the first and second halves. What is the score of the two sides. In this way, you can calculate the win and loss of both sides. According to the query related materials publicly available soccer win-loss calculator is the two sides in the 90 minutes of regular time, the number of goals is the same, such as 0-0, 1-1, 2-2, etc., evenly matched, did not distinguish between winners and losers, it is the elimination of the tournament, to overtime.