1991 PBA All-Filipino Conference explained

The 1991 Philippine Basketball Association (PBA) All-Filipino Conference was the second conference of the 1991 PBA season. It started on June 9 and ended on September 1, 1991. The tournament is an All-Filipino format, which doesn't require an import or a pure-foreign player for each team.

Format

The following format will be observed for the duration of the conference:

Group A:

Group B:

Teams in a group will play against each other once and against teams in the other group twice; 11 games per team; Teams are then seeded by basis on win–loss records. Ties are broken among point differentials of the tied teams. Standings will be determined in one league table; teams do not qualify by basis of groupings.^[1]
The top five teams after the eliminations will advance to the semifinals.^[2]
Semifinals will be two round robin affairs with the remaining five teams. Results from the eliminations will be carried over. A playoff incentive for a finals berth will be given to the team that will win at least five of their eight semifinal games.
The top two teams (or the top team and the winner of the playoff incentive) will face each other in a best-of-five championship series. The next two teams (or the loser of the playoff incentive and the fourth seeded team) dispute the third-place trophy in a best of three playoff.