A plain-English guide to the WHS for golfers entering opens in the UK
The World Handicap System (WHS) has been in force across Great Britain & Ireland since November 2020, and went through its first major four-year review in April 2024. If you're entering an open competition, the basics are simple — but the way your handicap is calculated on the day has changed in important ways. This guide explains what you actually need to know.
The three handicaps you need to understand
Under WHS there isn't just one handicap — there are three, and they each do a different job. Getting them straight is the single biggest hurdle for golfers entering opens.
- Handicap Index — your portable, decimal-based number (e.g. 12.4). This is what you carry with you between clubs and courses. The maximum is 54.0 for all players. This is the number you use to enter open competitions.
- Course Handicap — the number of strokes you receive at a specific course from a specific set of tees, calculated from your Handicap Index, the slope rating, the course rating, and par. Calculated to the nearest whole number. You'll find a conversion chart by the first tee at most clubs, or in the MyEG / club app.
- Playing Handicap — your Course Handicap adjusted for the competition format (95% for individual stroke play, 85% for fourball, etc.). This is the number you'll actually play off on the day.
Worked example: a golfer with a Handicap Index of 24.2 might convert to a Course Handicap of 23 at a particular venue. If the event is a fourball betterball with the standard 85% allowance, their Playing Handicap for the day would be 20.
What changed in April 2024
The 2024 revisions were the first four-year review since WHS launched, and they brought several changes that directly affect competitive golfers in GB&I:
- Course Rating minus Par now factors into Course Handicap. The new formula is: Handicap Index × (Slope Rating ÷ 113) + (Course Rating − Par). This brings GB&I in line with most other WHS jurisdictions and means the same Handicap Index can now produce different Course Handicaps even on courses with the same slope rating, depending on how the course rating compares with its par.
- Fourball betterball scores can now count for handicap. Previously they didn't. Now they do, provided certain conditions are met (e.g. the pair's total reaches at least 42 points in a Stableford). Worth knowing if you're entering a betterball open — you and your partner are now putting your handicaps on the line.
- Shorter courses can now be rated. The minimum length for an 18-hole course rating dropped to 1,500 yards (750 for nine holes), so more shorter and academy-style venues now offer handicap-counting golf.
- Expected Score replaced "net par" for missed holes. If you have to skip a hole for a legitimate reason (injury, closed hole, lightning), the system now uses a smarter algorithm to predict what you'd have likely scored, rather than just giving you net par.
- Playing Conditions Calculation (PCC) is now more sensitive. The system that adjusts for unusually hard or easy conditions on a given day — previously criticised for almost never triggering — is now more likely to make an adjustment.
The 2026 split — how the home nations now differ
This is genuinely important if you travel for opens. As of April 2026, the four home nations are no longer applying WHS identically. Following a 2025 pilot in Ireland, three nations adopted new flexibility around Playing Handicap allowances; England did not.
Ireland, Scotland and Wales — Clubs may now choose their Playing Handicap allowance for singles competitions and certain fourball formats. For singles events, allowances can be set at 85%, 90%, 95% (the previous mandatory figure) or 100% (no reduction at all). The change is intended to give clubs more flexibility to provide equity for both low- and high-handicap players in a given field.
England — The 95% / 85% allowances remain mandatory. England Golf postponed adoption of the new flexibility until 2028, to allow further analysis of the Irish pilot data.
The practical upshot: if you enter an open in Scotland, Wales or Ireland in 2026 or beyond, always check the entry terms for the allowance being used. It may no longer be the 95% you're used to. In England, the standard allowances still apply for now.
Standard handicap allowances (recommended)
These are the WHS-recommended allowances for the most common formats. In England these remain mandatory. In Ireland, Scotland and Wales clubs may deviate from them — check the entry terms.
- Individual Strokeplay / Stableford / Bogey — 95%
- Individual Matchplay — 100%
- Fourball Betterball Strokeplay / Stableford — 85%
- Fourball Betterball Matchplay — 90%
- Foursomes — 50% of combined Course Handicaps
- Greensomes — 60% of low handicap + 40% of high handicap
- Team of 4, best 1 score — 75%
- Team of 4, best 2 scores — 85%
- Team of 4, best 3 scores — 100%
- Team of 4 Scramble — 25% / 20% / 15% / 10% (low to high)
- Pairs Scramble — 25% low / 15% high
Entering open competitions — what governing bodies actually say
The R&A and USGA guidance is clear on one point: competition entry eligibility should be based on Handicap Index, not Course Handicap or Playing Handicap. This matters because your Course Handicap can vary by several strokes depending on which course and which tees you're playing.
What this looks like in practice when you're entering opens:
- Maximum Handicap Index for entry. Most clubs set a ceiling — commonly 24, 28 or 36 for men and a higher figure for ladies. You must hold this Handicap Index or lower to enter. The absolute maximum any golfer can hold is 54.0.
- Maximum Course / Playing Handicap. Some clubs also cap the number of shots received on the day (e.g. "maximum Playing Handicap of 18"). If your calculated Playing Handicap is higher, you can usually still enter, but you'll play off the cap.
- Minimum number of qualifying scores. A growing number of clubs require entrants to have submitted a minimum number of qualifying scores in the previous 12 months — typically three. This is intended to ensure your Handicap Index is genuinely up to date.
- Gender-specific limits. Many opens set different maximum indexes for men and ladies. Always check the entry conditions for the specific event.
If there's any doubt about the entry conditions for a particular event, always confirm directly with the host club or organiser.
Don't have a club handicap? You can still enter some opens
Since July 2021, England Golf has run iGolf — a subscription scheme (currently £47/year) that gives independent (non-club-member) golfers an official WHS Handicap Index, public liability insurance and access to the MyEG app. Scotland, Wales and Ireland have similar independent golfer schemes.
An iGolf Handicap Index is a genuine, recognised WHS index — it carries the same weight as a club-issued one for handicap purposes. Whether you can use it to enter a particular open is up to the host club. Some clubs welcome iGolf entries; others restrict entry to affiliated golf club members only. Always check the event's terms before entering.
Quick FAQs
Is my Handicap Index updated daily?
Yes — provided the scores are properly submitted through the WHS platform. After a competition, your record is usually updated by midnight on the day of play. Score submissions made through MyEG and similar apps process automatically.
What's the maximum Course Handicap?
There isn't one. Your Handicap Index is capped at 54.0, but on a course with a high slope rating, your Course Handicap can exceed 54.
Do nine-hole scores count?
Yes. Since 2024, a nine-hole score is converted into an 18-hole Score Differential using Expected Score, and added to your scoring record like any other.
Why has my Handicap Index gone up after a bad spell?
WHS uses your best 8 score differentials from your last 20 rounds, so it can rise and fall faster than the old CONGU system. To prevent extreme swings, it includes a "soft cap" and "hard cap" that limit how far your Index can rise above your Low Handicap Index from the previous 12 months.
What's the Playing Conditions Calculation (PCC)?
A daily adjustment (from −1 to +3) applied to score differentials when conditions on the day were significantly harder or easier than expected. It's automated and looks at how the field as a whole performed relative to expectation.
Useful resources
- England Golf — governing body for handicapping in England, including iGolf for non-members
- Scottish Golf
- Wales Golf
- Golf Ireland
- R&A Rules of Handicapping — the official rules document
- whs.com — the international WHS information site
Ready to put your handicap to the test?
Golf Empire lists over 10,000 open competitions a year across the UK, covering every format and every level of player. Find one that suits your handicap, your region and your calendar.
This page is intended as a plain-English guide for golfers entering open competitions. It is not an official source of WHS rules. For the definitive rules, please refer to your national governing body or the R&A. If you spot anything we've got wrong or out of date, please let us know.