Bottom-Two-Runoff IRV: Difference between revisions
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Voting-Stuff (talk | contribs) (Copied the Tennessee Capital Election example from the IRV page. Will now adapt.) |
Voting-Stuff (talk | contribs) (Adapting the Tennessee Capital Election example.) |
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It was originally proposed by [[User:Legrand|Rob LeGrand]].<ref>[https://election-methods.electorama.narkive.com/LKfc52OI/an-example-of-btr-stv#post4 election-methods mailing list: An example of BTR-STV]</ref><ref>[https://www.mail-archive.com/election-methods@electorama.com/msg01311.html <nowiki>[EM] DH3 - error by me - should prefer BTR-IRV to Schulze beatpaths?</nowiki>]</ref> |
It was originally proposed by [[User:Legrand|Rob LeGrand]].<ref>[https://election-methods.electorama.narkive.com/LKfc52OI/an-example-of-btr-stv#post4 election-methods mailing list: An example of BTR-STV]</ref><ref>[https://www.mail-archive.com/election-methods@electorama.com/msg01311.html <nowiki>[EM] DH3 - error by me - should prefer BTR-IRV to Schulze beatpaths?</nowiki>]</ref> |
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=== An example (In Progress) === |
=== An example (In Progress) === |
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'''First elimination round''' |
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Chattanooga, having the smallest vote, is eliminated in the first round. All of the votes for Chattanooga have Knoxville as a second choice, so they are transferred to Knoxville. Nashville now has the smallest vote, so it is eliminated. The votes for Nashville have Chattanooga as a second choice, but as Chattanooga has been eliminated, they instead transfer to their third choice, Knoxville. Knoxville now has 58% of the vote, and it is the winner. |
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The two options with the fewest first preferences are Chattanooga (with the fewest - 15%) and Knoxville (with the second fewest - 17%). So Chattanooga and Knoxville are the options which have a possibility of being eliminated in the first round. |
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Chattanooga is preferred to Knoxville by Memphis voters (42%), Nashville voters (26%), and Chattanooga voters (15%). This means that Chattanooga is preferred to Knoxville by 83% of voters (43% + 26% + 15%). Knoxville is preferred to Chattanooga by Knoxville voters (17%), so 17% of voters prefer Knoxville to Chattanooga. |
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As there are more voters who prefer Chattanooga to Knoxville (83%) than there are voters who prefer Knoxville to Chattanooga (17%), Knoxville is the pairwise loser. That means that Knoxville is eliminated in the first round. All of the votes for Knoxville have Chattanooga as a second choice, so they are transferred to Chattanooga. |
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'''Second elimination round''' |
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Nashville now has the fewest first preferences (26%), with Chattanooga having the second fewest first preferences (32%). |
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TBC |
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In a real election, of course, voters would show greater variation in the rankings they cast, which could influence the result. |
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== External links == |
== External links == |
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