Patent ID: 8831996

Claim:
A computer system for managing team members of each of teams in order to play a team based game, comprising: storage means for storing object IDs representing IDs uniquely assigned to objects corresponding to the team members; receiving means for receiving a request for registering an object ID in response to an input operation performed by a game player on a game player terminal; registration managing means for managing registration for use of the object ID and allowing the registration if the object ID received from the receiving means has not yet been registered, and allowing the duplicate registration if the object ID received from the receiving means has already been registered; team member managing means for managing the team members of each of the teams by assigning the team member corresponding to the object ID registered by the registration managing means to one of the teams; and skill value updating means for performing a skill value updating process for each of the teams in which a skill value for each of the team members and/or a skill value of the entire team is updated on the basis of the number of duplicate registrations of the object ID of each of the team members.