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SpinMatterFIELD GUIDE

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Understand weights and Adaptive rules

Separate fixed weighted odds from rules that deliberately change the next draw.

2 minute read · Reviewed

YOU’LL LEAVE WITH

A repeatable explanation of the selected rule, without promising equal outcomes.

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A weight is a relative chance

For a random draw with fixed eligible weights of 1, 1 and 2, the third entry has 2 out of 4 of the total weight: 50%. The first two each have 25%. Those percentages describe a draw, not a promise about a short sequence.

Removing or locking an entry changes the eligible pool. Adaptive can also change effective weights between draws. Read the current state rather than relying on the original spreadsheet alone.

Pick the behavior you need

PresetWhat it does
PureKeeps base weights unchanged after a pick. Custom weights still matter.
Balanced / Strong fairnessReduce a selected entry’s weight and let other entries recover over later rounds; Strong applies stronger adjustments.
No repeatTemporarily makes the most recent pick ineligible for the next draw. It can return after another pick.
CooldownTemporarily reduces a selected entry’s effective weight; it is not an activity-long ban.
PityAdds a growing boost to entries marked rare while they wait to be selected.

Watch the rule work

  1. Open Adaptive and inspect the list in Names.
  2. Choose a preset from the available controls or Advanced.
  3. Spin once, then compare the visible recent picks and weights.
  4. Open History to inspect or undo a previous result. If you change the roster or rules, review the current state again.

Explain it before the round

Use plain language: “We are reducing repeat picks across questions” or “Each ticket has the weight shown.” Do not describe adaptive odds as fixed equal odds. For a one-award-per-entry event, use the separate hosted rule described in Avoid repeat winners.

Ready check

Tick these off as you go. The checklist resets when you reload.

ONE MORE THING

Common questions

Does Pure mean every name has the same chance?

Only if all eligible entries have equal base weights. Pure keeps those weights unchanged between draws. Duplicate entries and custom weights can give a displayed name more total chance.

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Does fairness guarantee everyone wins equally?

No. Balanced and Strong fairness adjust future weights; they do not guarantee a fixed distribution over a short session. Use visible weights and history to explain what happened.

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Ready to use it?

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