[EM] A method with no need for defensive strategy to protect a CW's wn

Michael Ossipoff email9648742 at gmail.com
Fri Oct 6 14:18:21 PDT 2023


For the purpose of takedown & secondary takedown, "pair-beaten" should
probably mean "pairbeaten according to the rankings before any
eliminations".

On Fri, Oct 6, 2023 at 5:01 PM Michael Ossipoff <email9648742 at gmail.com>
wrote:

> Name of Method:
>
>>
> CW,Takedown-Elimination (CTE)
>
>>
> or
>
>>
> Simmons-Ossipoff  Method
>
>>
> Okay yes, I like the 2nd one.
>
>>
> It adds an enhancement to any of several already-existing
> elimination-methods.
>
>>
> Here are 3 elimination-methods that eliminate 1 candidate at a time:
>
>>
> RCV/IRV:  Eliminates lowest topcount
>
>>
> Coombs: Eliminates highest bottomcount
>
>>
> Baldwin; Eliminates lowest Borda-score.
>
>>
> Any one of those can be the “base-method” .
>
>>
> Method rule:
>
>>
> Ranked balloting. Equal-rankng & truncation allowed.
>
>>
> 1)  Check for a CW & elect hir.
>
>>
> 2) If none, do the base-method.
>
>>
> 3) During the doing of the base-method:
>
>>
> When the base-method’s rule eliminates a candidate, eliminate additionally
> anyone who is pair-beaten by that candidate.  …& additionally any
> candidate beaten by that 2nd candidate.
>
>>
> That’s takedown & secondary takedown.
>
>>
> 4) If anyone becomes un-pairbeaten due to elimination of who beats hir,
> s/he wins.
>
>>
> 5) Continue till only one candidate remains uneliminated.
>
>>
> [end of count-rule definition]
>
>>
> Though it was Forest who introduced the unprecedentedly gamechanging
> Takedown, & applied it to Coombs & Baldwin, the bombast in this post is all
> mine.
>
>>
> Obviously a CW wins if voting is sincere.
>
>>
> There’s no offensive strategy for changing the CW to one’s own favorite.
>
>>
> There’s no need for defensive strategy to protect the win of a CW.
>
>>
> While MinMax(wv), Schulze, RP(wv) & Smith//MinMax(wv) require defensive
> truncation to deter burial strategy against the CW, the above-defined
> method requires no such defensive strategy, & voters can rank all the way
> down to the bottom if they want to.
>
>>
> Michael Ossipoff
>
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