======================================================================
SOURCE FILE:     BV_Library_star_runoff.yaml
TABULATED FILE:  BV_Library_star_runoff_tabulated.txt
======================================================================

election_title: "BV parity — STAR: runoff, lower total wins the runoff"
scenario_description: |-
  Ported from BetterVoting's tabulator unit tests (Star.test.ts :: "Runoff").
  Bill wins the automatic runoff despite a simple two-ballot field.

num_winners: 1
voting_method: STAR
ballots: |-
  Allison,Bill
  0,5
  2,4

expected_winners:
  - Bill

# file: BV_Library_star_runoff.yaml

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TABULATION RESULTS
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=== BV parity — STAR: runoff, lower total wins the runoff ===
  Ported from BetterVoting's tabulator unit tests (Star.test.ts :: "Runoff").
  Bill wins the automatic runoff despite a simple two-ballot field.

--- Runoff (Preference) Matrix ---
Head-to-head / pairwise comparison
Legend: For - Equal Support - Against
        * indicates Top 2 Finalist
                |  * Allison  |  * Bill    |
--------------------------------------------
    * Allison > |     ---     | 0 - 0 - 2  |
       * Bill > |  2 - 0 - 0  |    ---     |

[Condorcet Winner]
  Condorcet Winner: Bill — matches the STAR winner

[Condorcet Loser]
  Condorcet Loser: Allison — loses every head-to-head matchup

--- STAR Voting Method (single winner) ---
[STAR Voting]
 Tabulating 2 ballots.
Allison,Bill
      0,   5
      2,   4

[Score Distribution] (how many ballots gave each star rating)
                Score
Candidate  5  4  3  2  1  0  | Total   Avg
Allison    0  0  0  1  0  1  |     2   1.0
Bill       1  1  0  0  0  0  |     9   4.5

[STAR Voting: Scoring Round]
 The two highest-scoring candidates advance to the next round.
   Bill          -- 9 -- First place
   Allison       -- 2 -- Second place
 Bill and Allison advance.

[STAR Voting: Automatic Runoff Round]
 The candidate preferred in the most head-to-head matchups wins.
   Bill          -- 2 -- First place
   Allison       -- 0
   Equal Support -- 0
 Bill wins.
   Runoff math:
     2  ballots cast
   − 0  Equal Support (no preference between the two finalists)
     ─
     2  voters with a preference  (majority = 2)
           Bill 2 (100%)  ·  Allison 0 (0%)

[STAR Voting: Winner — STAR Voting Method (single winner)]
 Bill