Ady Willet and Idalis Rodriguez combined for an equalizing goal in the first half, but Righetti scored twice in the second half and beat Dos Pueblos 3-1 in a non-league girls soccer match on Tuesday in Santa Maria.
Down 1-0, Willet fed Rodriguez who ripped a shot from 12 yards into the back of the net.
Righetti retook the lead 12 minutes into the second half and it added an insurance goal in the 78th minute.
The Chargers travel to Ventura next to play in the Buena Holiday Classic.