3-2-1 voting: Difference between revisions

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* Find 1 winner: the finalist who is rated above the other on more ballots.
* Find 1 winner: the finalist who is rated above the other on more ballots.


There are two extra qualifications for semifinalists: their "good" ratings should be more than anyone else in their party (that is, only one semifinalist per party), and at least 15% of the electorate. Usually all three semifinalists will easily pass these qualifications naturally, but if only 2 of them do, you can just treat them as finalists and skip step 2.
There are two extra qualifications for semifinalists: their "good" ratings should be more than anyone else in their party (that is, only one semifinalist per party), and at least 15% of the electorate. Usually there will be three eligible semifinalists will easily pass these qualifications naturally, but if only two of them do, you can just treat them as finalists and skip step 2. In the unlikely event that fewer than two candidates get 15% "good" ratings, and re-running the election with new candidates is not an option, then the three highest become semifinalists and the election proceeds to step 2 normally.


== Blank ratings ==
== Blank ratings ==


There are two ways to handle blank ratings: "Undelegated", which does its best to infer voter intentions; and "delegated", which makes voting easier for voters by letting them choose to give some of their voting power to their favorite candidate. "Delegated" is suggested unless there are reasons against it.
There are two ways to handle blank ratings: "Delegated", which makes voting easier for voters by letting them choose to give some of their voting power to their favorite candidate; and "Undelegated", which does its best to infer voter intentions directly. "Delegated" is suggested unless there are reasons against it.

=== Undelegated 3-2-1 ===

For voters who do not explicitly use the "Bad" rating, blank ratings count as "bad". For those who do use "bad", blank ratings count as "OK", except that in step 3 they count as lower than an explicit "OK".


=== Delegated 3-2-1 ===
=== Delegated 3-2-1 ===
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When a voter leaves a candidate X blank/unrated, X receives the lowest rating that they got from any candidate that voter rated "Good". So if the voter had rated candidates A and B "good", and both A and B rated X as "OK", then X would get an "OK" from that voter; while if either A and/or B had rated X as "Bad", then X would get a "Bad" from that voter.
When a voter leaves a candidate X blank/unrated, X receives the lowest rating that they got from any candidate that voter rated "Good". So if the voter had rated candidates A and B "good", and both A and B rated X as "OK", then X would get an "OK" from that voter; while if either A and/or B had rated X as "Bad", then X would get a "Bad" from that voter.

=== Undelegated 3-2-1 ===

For voters who do not explicitly use the "Bad" rating, blank ratings count as "bad". For those who do use "bad", blank ratings count as "OK", except that in step 3 they count as lower than an explicit "OK".


== Tiebreaker ==
== Tiebreaker ==