Best-Ball with Selected Drive
A Shamble is a variation of a Best Ball competition, in which each teammate plays from their respective tee, the team selects the best result, and all the teammates finish the hole from that location with their own ball.
Handicap allowances for a Shamble can be calculated like a 2 Best-Balls of Four competition, using a handicap allowance of 90% of Course Handicap for men and 95% of Course Handicap for women.
Or, they might be calculated like a 1 Best-Ball of Four competition – 80% of Course Handicap for men and 90% of Course Handicap for women.
Or, they might be calculated as 80% of Course Handicap for all players.