Jó Paciência 'scored' for the diamonds, at 28 and 57 minutes of penalty, while Aldair discounted for the 'Augustinians' at 70 minutes, in this duel of champions that took place in the province of Lunda Norte.
With this defeat, 1º de Agosto falls to the fourth position of the league table with 26 points, five points from Bravos do Maquis, who commands the championship with 31 points.
Girabola, who have already played in the 15th and final round of the first round, will play until 18 April in arrears, especially involving the 1st of August.
Das Faa, from Interclube, led by Portuguese Ivo Campos, and Mabululu, from 1º de Agosto, are the best scorers in the competition, with seven goals each.
The second round of the championship is scheduled to start on April 21st.