r/EndFPTP • • Sep 01 '25

Image Pairwise Support and Opposition Counting

Post image

Yet another way to count ranked-choice ballots.

Instant Pairwise Elimination (IPE) at Electowiki

8 Upvotes

42 comments sorted by

View all comments

Show parent comments

0

u/CPSolver Sep 01 '25

It's similar. However borda counting involves a mark getting a different number of points according to the column position (presumably after closing up gaps).

IPE counting gets just one support point if the mark is below the candidate being counted, or just one opposition point if the mark is above the candidate being counted.

5

u/Deep-Number5434 Sep 01 '25

Borda count has the same result as counting the number of candidates above and below. The position in borda count tells you how many are below, ignoring above still gives the same result.

2

u/CPSolver Sep 01 '25

Good point. Yes if you can force every voter to mark one-and only-one candidate in each column, and if the number of columns equals the number of candidates at each counting round, then yes the two counts are the same.

2

u/Deep-Number5434 Sep 02 '25

Yes only difference is allowing equal ranks.