 Complete the following phrase:  In the group stage, Argentina defeated Japan and Peru who had beaten them in the last two South American Championships, and lost heavily against the Soviet Union by 39 points. In the final round, Argentina defeated only Uruguay, losing the other 5 games United States, Soviet Union, Yugoslavia, Brazil and Poland. Ernesto Gehrmanns 18 points against the USA earned him an offer by CB Estudiantes, though he rejected it to sign for Palmeiras in Brazil. Argentina finished the competition 6th, the best position for the team until the 