This is a 4-5 person Irish Rumble, a Best Ball format played with Stableford points. On the first 6 holes (1-6), the best single score for these holes is recorded. On the next six holes (7-12), the best two scores are recorded. For the subsequent five holes (13-17), the best three scores are recorded, and on the last hole (18), all four scores are recorded for the team.
The Irish Rumble can also be played as a 9-hole game, in which scoring is calculated as follows: on holes 1-3, the best individual score of the team is considered; on holes 4-6, the score is counted from the best two individual scores; on holes 7-8, the scores take into consideration the best three scores of the team, and on the 9th hole, all of the scores of the team are added to the team score.
When the Irish Rumble is played with a shotgun start, scores are calculated according to the starting hole.