 The Amador Valley Varsity Boys ' and Girls ' basketball teams both host an annual eight @-@ team basketball tournament , the Amador Basketball Classic ( ABC ) , in the first two weeks of December . The ABC brings high school basketball players and teams from within the state and outside of the state to play in Pleasanton . Each team plays four games between Wednesday and Saturday . Taking place every year since December 1961 , the ABC is the longest @-@ running eight @-@ team basketball championship in California . The girls ABC tournament has been held since December 1994 . 
