on july 3, 1931, gracie and jayme ferreira celebrated a challenge event between three jiu-jitsu fighters from his academy and three capoeira fighters trained by ferreira, echoing a street fight carlos supposedly had years before with a capoerista named samuel. the challenge forced the fighters to wear judogis and forbade strikes on the ground, which caused one of the capoeiristas, coronel, to be disqualified upon hitting george gracie. in the other two matches, oswaldo gracie and benedicto peres defeated their opponents. the event was negatively received, however, not only due to a ruleset perceived as too favorable to the jiu-jitsu side, but also to accusations that ferreira (a greco-roman wrestling teacher associated to gracie) was not a capoeira master and therefore his side could not represent the art. famous professional wrestler and sportsman manoel rufino dos santos criticized further the gracie family, so a fight was stipulated for august 22, 1931 between him and carlos gracie himself to settle it down. in response to the announcement, carlos's teacher donato pires said through the press that gracie's claims to be a direct apprentice to mitsuyo maeda were false and thus was equally unfit to represent jiu-jitsu. this almost caused the fight to be delayed when carlos and his brothers assaulted donato in front of the america hotel in catete one day before the event. by this incident, ties to pires were severed and the marquez de abrantes academy became fully a property of gracie.