[EM] An example of BTR-STV

[Rob LeGrand]

Anthony O'Neal wrote:
> STV elects Andrea, Carter, and Deliliah.  CPO-STV elects Andrea,
> Carter, and Scott.
>
> Now let's compute the score for BTR-STV:

I should point out that I proposed BTR-IRV as a slightly hacked IRV that
would never eliminate a Condorcet winner, in the hope that IRV supporters
might be more likely to support it than Approval or a more direct
Condorcet method.  I meant it only as a single-winner method and I don't
recommend that it be generalized for the multiwinner case.  For example,
if the votes are

45:A>B>C
20:B>C>A
35:C>B>A

and two winners are to be elected, I think {A, C} is a better winner set
than {A, B} even though B is the Condorcet winner.

(I didn't suggest a name for the method when I proposed it, but it has
been called the "orphan" method, LeGrand IRV and BTR-IRV.)

--
Rob LeGrand, psephologist
rob at approvalvoting.org
Citizens for Approval Voting
http://www.approvalvoting.org/

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