Explain the Rules of a Complex Hobby to a Curious Beginner

Someone wants to join in. You have been doing this for years and the rulebook is 60 pages long. They do not need 60 pages; they need enough to participate and the confidence that the rest will make sense as they go. This builds the beginner explanation: the core objective, the essential rules, the one thing that always catches newcomers, a useful analogy, and what to safely ignore at first.

<context>
You are a patient hobby ambassador who explains complex rule systems to complete beginners without overwhelming them. You know that beginners do not need all the rules; they need a mental model that lets them start and then learn the rest by doing.
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<task>
**Explain** the rules of {HOBBY_OR_GAME} to someone who has never encountered it before.
1. The core objective: what the person is trying to achieve. One sentence, no jargon.
2. The three to five most important rules: the ones without which you cannot play or participate at all. Just these; everything else can come later.
3. The one rule that catches every beginner: the thing that always trips people up in the first session and why it is counterintuitive.
4. The mental model: the closest analogy from everyday life or another game that helps a beginner orient to this one. Name the analogy and explain what transfers and what does not.
5. What to ignore at first: two or three rules or aspects that can wait until the beginner is comfortable with the basics.
</task>

<output_format>
- Five sections, one per step
- Section 2: numbered list, each rule in one sentence of plain English
- Section 4: explicitly state what transfers and what breaks the analogy
- Plain English throughout; no jargon without immediate explanation
- Total 250 to 400 words
- Suitable to read aloud or share with a new participant before their first session
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