How to analyze the results of a football match

Generally, I first need to understand the history of both football teams and the game results in the past half month, as well as the formation and tactics of the head coaches of both sides, as well as the physical health of the main players of both sides. The situation, whether the excitement skills on the field can be fully utilized, the comparison of the various positions of the players on the two sides, and the analysis of who is in better condition can be seen by drawing it on a drawing board, but this is only theoretical, in fact it is not With the home field advantage, the referee's penalty is also the key to victory or defeat. In short, the results of football matches are subject to a certain degree of contingency!