typedef struct XblTournamentReference {  
    char DefinitionName[XBL_TOURNAMENT_REFERENCE_DEFINITION_NAME_MAX_LENGTH];  
    char TournamentId[XBL_GUID_LENGTH];  
    char Organizer[XBL_TOURNAMENT_REFERENCE_ORGANIZER_LENGTH];  
    char Scid[XBL_SCID_LENGTH];  
} XblTournamentReference