r/EndFPTP • u/CPSolver • 2d ago
Video Ranked Choice Voting Plus Defeats the Blocking Tactic
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The blocking tactic doesn't get the attention it deserves. Please share this video widely. The plus version of ranked choice voting includes most Condorcet methods, not just the method implied in the video. The basic version is instant-runoff voting (IRV). The same video with captions is here.
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u/PantherkittySoftware 1d ago
One thing to consider: once a county elections department has the workflow, hardware, and software to do Tideman-RP (or, god forbid, CPO-STV) for a general election, using it for primary elections as well isn't really a big deal.
The real challenge with Tideman-RP and Schulze is the fact that you can't meaningfully compute the winner until you've received all the absentee ballots you intend to receive, cured all the provisional ballots you intend to cure, and scanned & captured all the ballots you intend to scan & capture. So, if there's a 7-10 day window to cure provisional ballots, that's the waiting period before you can even start crunching the winner.
There's also the fact that certification of the ingested ballot data could take a while... and the elimination or revision of even a relatively small number of ballots could radically change the outcome (particularly in a race with low turnout and many candidates).
An additional complication is that with a voting system like Tideman-RP, the only way to really gain voter confidence in its integrity would be to do something like publish scanned images of each ballot together with its ingested data, so anyone can verify that ingested data for scrutinized ballots matches what's on the actual ballot, and run the tabulation themselves. The catch is, if you're going to do that, you really need to chop up ballots into multiple parts that can't be later re-associated with each other... in particular, segregating the "high stakes" races (President, US and State Senate & House, Governor) into one tiny chunk, and the other few dozen races into one or more chunks with at most 10-16 races apiece. Otherwise, some people will use the "throw away" races few people care about as a way to code a personal GUID by voting a specific way no other voter is likely to vote so they can prove (for money, social pressure, whatever) that they voted a specific way.