[EM] Best IRV Tweak

Kristofer Munsterhjelm km_elmet at t-online.de
Wed Jul 7 08:26:22 PDT 2021


On 06.07.2021 20:59, Susan Simmons wrote:
> 
> While there remains more than one uneliminated candidate eliminate the
> remaining one that is weakest relative to the other remaining candidates.
> 
> If "weakest" means least top support (relative to the other remaining
> candidates) then we have IRV.
> 
> But if we interpret "weakest" to mean the candidate with the fewest
> votes in any head-to-head contest (among the remaining candidates) then
> we have a Condorcet Compliant method.
> 
> In fact, the weakest candidate in this sense is a pairwise loser to its
> opponent in its worst head-to-head contest ... which could not happen to
> a Condorcet Candidate.

That sounds like Raynaud, which is Minmax-elimination.

More information here: https://electowiki.org/wiki/Raynaud

-km


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