Your One Ball handicap is the lowest of:

If the number is above 20 - your handicap is 20

In a handicap game.

The 2 player's handicaps are compared and the difference between the 2 is divided by three and rounded to the nearest half.

N.B. A hoop can be run on a bisque (extra turn) but not on a half bisque.

N.B. Handicaps are worked out differently for minus players.