Ranked pairs
Single-winner electoral system / From Wikipedia, the free encyclopedia
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Ranked pairs (or RP), sometimes called the Tideman method, is a tournament-style system of ranked-choice voting first proposed by Nicolaus Tideman in 1987.[1][2]
Ranked pairs begins with a round-robin tournament, where the one-on-one margins of victory for each candidate are compared to find a majority winner. If there is a Condorcet cycle (a rock-paper-scissors sequence A > B > C > A), the cycle is broken by dropping nearly-tied elections, i.e. the closest elections in the cycle.[3]