How is the playing conditions calculation (PCC) applied?

Question

Accepted Answer

The PCC is calculated automatically by the handicap system; the committee doesn't set it by hand. Key points: It compares the scores submitted on a course that day with expected scoring patterns, and produces an adjustment of −1.0, 0, +1.0, +2.0 or +3.0, applied as a whole number to the Score Differentials of all players that day. It needs at least 8 acceptable scores, counting only players with a Handicap Index of 36.0 or below. With fewer than 8, the PCC is 0. Scores scaled up because holes weren't played (incomplete rounds) aren't included. Complete 9-hole scores are doubled for inclusion, and a 9-hole Score Differential uses half the PCC adjustment. It is normally done once a day. A separate PCC for part of the day or a particular competition may be warranted, for example when the weather varies extremely between two parts of the day. Scores submitted after the day aren't included in the calculation, but the day's PCC is still applied to them, and out-of-sequence scores are slotted into the record by date. Source: Rules of Handicapping (2024), Rules 4.3, 5.1 and 5.6 (with Clarifications 5.6/1 and 5.6/2).