How does my Handicap Index work in a golf league, for golfers of any age? Getting an index, posting scores, hole maximums, course and playing handicaps, league allowances and caps.
Your initial Index is calculated from your lowest Score Differentials, with a maximum of 54.0 (Rules 5.2a, 5.3).
By posting, you agree that your scoring record will be available for peer review, Index calculation and administration.
A score is acceptable when the round is (Rule 2.1):
Team formats such as scrambles and foursomes aren't on the list of authorized formats, so those scores aren't posted.
Rules issues (Rule 2.1b): in general play, a score usually isn't acceptable if you broke a Rule without applying the penalty or deliberately ignored a Rule. In a competition, a disqualification that gave no significant scoring advantage can still leave the score acceptable, at the Committee's discretion.
Once you have a Handicap Index (Rule 3.1b), each hole is capped at net double bogey:
Par + 2 + any handicap strokes you receive on that hole
Example: on a par 4 where you get 1 stroke, your maximum is 7. Plus-handicap players subtract strokes they give back. There's no limit to how many holes can be adjusted in a round.
Before you have a Handicap Index (Rule 3.1a), the maximum on every hole is par + 5.
When you post hole by hole, the adjustment is made automatically.
If you start a hole but don't hole out for a valid reason (the hole's already decided, it was conceded in match play, your partner already has a better score in Four-Ball, or you've reached net double bogey), record your most likely score or net double bogey, whichever is lower (Rule 3.3).
Most likely score = strokes taken + strokes you'd most likely need to finish + any penalty strokes:
| Where your ball is | Add |
|---|---|
| On the green, within 5 feet | 1 stroke |
| 5 feet to 20 yards from the hole | 2 or 3 strokes |
| More than 20 yards from the hole | 3 or 4 strokes |
Choose within each range based on the ball's position, the difficulty of the green and your ability.
In a format that doesn't allow picking up, such as an individual gross or net stroke-play competition, picking up gets you disqualified from the competition.
Minimum holes (Rule 2.2):
Holes not played (Rule 3.2): if you stopped for a valid reason, such as darkness, weather that stops play, injury or illness, or a match ending early, your score is still acceptable and the system uses your expected score for the missing holes. A hole you started counts as played.
Invalid reasons make the score unacceptable and may lead the Handicap Committee to post a penalty score: for example, skipping a hole you usually play badly, quitting to avoid posting a high (or low) score, or stopping for weather that doesn't actually prevent play.
Post as soon as possible on the day of play, after your round and before midnight local time (Rule 4.3). If you post late:
Hole-by-hole posting is strongly recommended (Rule 4.1). It applies net double bogey automatically and records which holes weren't played.
Your score must be available for peer review, normally by people who played with you or members of your club, who can support or challenge it (Rule 4.4). Your league or club may post scores for you if it's authorized to (Rule 4.2).
Each round becomes a Score Differential (Rule 5.1a):
(113 ÷ Slope Rating) × (adjusted gross score − Course Rating − PCC adjustment)
The playing conditions calculation (PCC) adjusts for unusually hard or easy days, from −1.0 to +3.0.
Your Handicap Index is the average of the lowest 8 of your most recent 20 Score Differentials (Rule 5.2b). With fewer than 20 scores (Rule 5.2a):
| Differentials in record | Used | Adjustment |
|---|---|---|
| 3 | Lowest 1 | −2.0 |
| 4 | Lowest 1 | −1.0 |
| 5 | Lowest 1 | 0 |
| 6 | Average of lowest 2 | −1.0 |
| 7 or 8 | Average of lowest 2 | 0 |
| 9 to 11 | Average of lowest 3 | 0 |
| 12 to 14 | Average of lowest 4 | 0 |
| 15 or 16 | Average of lowest 5 | 0 |
| 17 or 18 | Average of lowest 6 | 0 |
| 19 | Average of lowest 7 | 0 |
A 9-hole score is combined with your expected score for 9 holes to make an 18-hole Score Differential (Rule 5.1b).
For an 18-hole round (Rule 6.1a):
Course Handicap = Handicap Index × (Slope Rating ÷ 113) + (Course Rating − par)
The Slope Rating, Course Rating and par are for the set of tees you're playing. The result is rounded to the nearest whole number for use; for example, a Handicap Index of 12.4 on tees rated 71.8 / 128 with par 72 gives 12.4 × 1.133 + (−0.2) = 13.85, so a Course Handicap of 14.
Your Course Handicap is the number of strokes you receive from those tees before any format allowance. Your league then applies its handicap allowance to get your Playing Handicap.
Your Playing Handicap = Course Handicap (unrounded) × the handicap allowance for the format, rounded to the nearest whole number (.5 rounds up) (Rule 6.2a).
Recommended allowances (Appendix C):
| Format | Allowance |
|---|---|
| Individual stroke play (also Stableford, Par/Bogey, Maximum Score) | 95% |
| Four-Ball stroke play / Four-Ball Stableford | 85% |
| Individual match play | 100% |
| Four-Ball match play | 90% |
| Foursomes | 50% of combined team handicap |
| Scramble (4 players) | 25% / 20% / 15% / 10%, low to high |
| Scramble (2 players) | 35% low / 15% high |
Yes, once you have a Low Handicap Index: the lowest Index you've had in the 365 days before your most recent round. It's established once you have at least 20 acceptable scores (Rule 5.7).
Other limits: the maximum Handicap Index is 54.0 (Rule 5.3). Your Index updates no later than the day after you post (Rule 5.4). A score stays in the calculation as long as it's among your 20 most recent, however old, and your Index only lapses if you stop being a member of a golf club (Rule 5.5).
An exceptional score is a Score Differential at least 7.0 strokes better than your Handicap Index when you played (Rule 5.9):
| Differential better than your Index by | Extra reduction |
|---|---|
| 7.0 to 9.9 | -1.0 |
| 10.0 or more | -2.0 |
You're expected to submit every acceptable score (Rule 1.3). If you don't, the Handicap Committee decides whether your reason was justified (Rule 7.1b):
The Handicap Committee can also review and adjust a player's Handicap Index (Rule 7.1a).