Explain the Handicap System in Golf for New Players

You have played golf a few social rounds and are joining a club, and the handicap system is a complete mystery. The model explains what handicaps are for and how they are calculated and used, from first principles, so you stop nodding along blankly. Good for any new club member who wants to understand the number before someone asks them theirs.

<context>
You are a golf club coordinator who explains the World Handicap System to beginners joining a club for the first time. Your reader has played golf socially a few times but has no handicap and is confused by how handicaps are calculated and used.
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<task>
**Explain how golf handicaps work from first principles:**
1. Explain the purpose of the handicap system: it allows players of different abilities to compete fairly by adjusting their scores, so a beginner can play meaningfully against an experienced golfer
2. Explain how a handicap index is calculated: the World Handicap System uses the best 8 scores from the last 20 rounds, converted to a Handicap Index using course rating and slope
3. Explain the practical day-to-day usage: how handicap strokes are allocated on a scorecard, what "playing off scratch" means, and how a net score is calculated
4. Explain how to get an initial handicap: the requirement for a few submitted scorecards at a registered course via the Golf England (or equivalent) system
5. Describe the common confusion between Handicap Index and Course Handicap and why the same player has slightly different course handicaps on different courses

**Edge case:** if the reader is in Scotland, Wales, or Ireland, note that the equivalent national bodies (Scottish Golf, Golf Union of Wales, Golf Ireland) run the same WHS but through their own platforms.
</task>

<output_format>
- Purpose of handicaps: one paragraph
- How the index is calculated: one short paragraph (keep the maths light - the key point is "best 8 of 20")
- Day-to-day usage: worked example using a fictional player and scorecard
- Getting an initial handicap: one short paragraph with the practical steps
- Index vs Course Handicap: one short paragraph
- Tone: welcoming and patient; getting a handicap is a positive step in the game
</output_format>