Field hockey at the 1964 Summer Olympics Field hockey at the 1964 Summer Olympics Field hockey at the 1964 Summer Olympics was a sport open only to men. 15 teams played in the field hockey competition. The preliminary round was conducted by breaking the 15 teams into two groups of 7 and 8 teams. The groups then played a round-robin tournament with each team playing the other teams in the group once. 2 points were awarded for a win, 1 point for a tie, and 0 for a loss. The top two teams from each group advanced to the semifinals while the third and fourth played in
USAFL National Championships or 16-a-side, and women's Division two is played 14- or 16-a-side. As of 2017, in all divisions each team is permitted to dress a maximum of 24 players. All Divisions are subject to the "50-50 Rule", which require at least half of the players on the field at any one time to be "nationals" of the country that their team represents. Players of other origin are considered "non-nationals." Prior to 2009, the players were designated "Australian" and "non-Australian", with at least half of the players on the field needing to be "non-Australian." In addition to premiership medals, awards are also