Patent ID: 8052532

Claim:
An information processing method implemented by a server system connected to a game device via a communication channel, the game device getting a player identification information and executing a game, the information processing method comprising: performing a matching process that matches teams to which one or more players belong to form a plurality of groups, each of the plurality of groups being formed by a given number of teams; receiving the player identification information and notification information based on game play from the game device; performing a team competition process that allows the teams included in each of the plurality of groups to compete based on the received notification information relating to each player belonging to each of the teams; and managing a team level of each of the teams while changing the team level of each of the teams based on a ranking of the teams included in each of the plurality of groups, the ranking being results of the team competition process, the matching process incorporating a mirror team of an actual team that belongs to another group in a group in which the number of teams is less than the given number; the team competition process calculating the ranking of each of the teams included in each of the plurality of groups while regarding the actual team and the mirror team as different teams; and the managing of the team level changing the team level of the actual team based on the ranking of the teams included in each of a group to which the actual team belongs and a group to which the mirror team belongs when the mirror team has been incorporated.