Scoring standard of American Games: whether a satisfactory explanation method has been given to the competition questions, and the possible concepts in the competition questions have been clarified; -Whether all conditions and assumptions used in modeling are clearly listed, and their rationality is explained or demonstrated; -Whether to give the motivation of modeling or demonstrate the rationality of modeling through the analysis of competition questions; Whether to design a model that can effectively answer the competition questions; Whether to test the stability of the model; Whether the advantages and disadvantages of the model are discussed and a clear conclusion is given; Whether a satisfactory summary is given. Papers with incomplete answers are not only acceptable, but also may get better evaluation results if they are innovative and unique in some aspects.