ranked.vote: San Francisco / Board of Supervisors, District 3 / 2008

ranked.vote // San Francisco Board of Supervisors, District 3

The San Francisco Consolidated General Election was held on November 4, 2008. David Chiu was the winner out of 9 candidatesafter 6 elimination rounds.

David Chiu was also the Condorcet winner.

David ChiuJoseph Alioto, Jr.Denise MccarthyEliminated in round 6Claudine ChengEliminated in round 5Lynn JeffersonEliminated in round 4Mike DenunzioEliminated in round 3Tony GantnerEliminated in round 2Wilma PangEliminated in round 1Mark QuesseyEliminated in round 1Write-InEliminated in round 1

Runoff Rounds

This Sankey diagram shows the votes of each remaining candidate at each round, as well as the breakdown of votes transferred when each candidate was eliminated.

Note that the tabulation (but not the winner) may differ from the official count. You can read more about why this is.

Round 1Round 2Round 3Round 4Round 5Round 6Round 7David ChiuJoseph Alioto, Jr.Denise MccarthyClaudine ChengMike DenunzioLynn JeffersonTony GantnerWilma PangMark QuesseyWrite-InExhaustedDavid ChiuJoseph Alioto, Jr.Exhausted

Pairwise Preferences

For every pair of candidates, this table shows the fraction of voters who preferred one to the other. A preference means that either a voter ranks a candidate ahead of the other, or ranks one candidate but does not list the other. Ballots which rank neither candidate are not counted towards the percent counts.

Less-preferred Candidate
Preferred Candidate
David Chiu
Joseph Alioto, Jr.
Denise Mccarthy
Claudine Cheng
Lynn Jefferson
Mike Denunzio
Tony Gantner
Wilma Pang
Mark Quessey
Write-In
David Chiu 59.4% 69% 73.1% 78.5% 82.9% 83.6% 85.4% 94.9% 99.6%
Joseph Alioto, Jr. 40.6% 53.9% 62.2% 73.7% 82.8% 72% 72.1% 93.5% 99.5%
Denise Mccarthy 31% 46.1% 57.9% 72.7% 77.2% 76.1% 70% 92.6% 99.4%
Claudine Cheng 26.9% 37.8% 42.1% 61.8% 71% 61.6% 71.1% 88.7% 99%
Lynn Jefferson 21.5% 26.3% 27.3% 38.2% 60.9% 50.5% 51.9% 84.4% 98.6%
Mike Denunzio 17.1% 17.2% 22.8% 29% 39.1% 40.7% 41.3% 78.7% 97.9%
Tony Gantner 16.4% 28% 23.9% 38.4% 49.5% 59.3% 50.9% 83.6% 98.5%
Wilma Pang 14.6% 27.9% 30% 28.9% 48.1% 58.7% 49.1% 84.3% 98.4%
Mark Quessey 5.1% 6.5% 7.4% 11.3% 15.6% 21.3% 16.4% 15.7% 93.2%
Write-In 0.4% 0.5% 0.6% 1% 1.4% 2.1% 1.5% 1.6% 6.8%

First Alternate

For every pair of candidates, this table shows the fraction of voters who ranked one candidate first ranked the other candidate second.

Second Choice
First Choice
David Chiu
Joseph Alioto, Jr.
Denise Mccarthy
Claudine Cheng
Lynn Jefferson
Mike Denunzio
Tony Gantner
Wilma Pang
Mark Quessey
Write-In
Exhausted
David Chiu 13.4% 31.8% 17.6% 4.1% 1.4% 5.4% 6.5% 0.8% 0% 18.9%
Joseph Alioto, Jr. 18.9% 15.7% 15% 7.9% 10.5% 6.1% 3.4% 1.3% 0.2% 21%
Denise Mccarthy 24.4% 18.9% 6.9% 19.2% 3.4% 9% 3.4% 1.5% 0.1% 13.1%
Claudine Cheng 30.7% 19.4% 8.7% 6.2% 2.8% 3% 16.4% 0.6% 0% 12.2%
Lynn Jefferson 13.4% 16.9% 28.2% 11.3% 6.7% 6.2% 5.4% 1.3% 0.2% 10.4%
Mike Denunzio 6.3% 29% 7.1% 7.9% 10.7% 9.5% 3.4% 3.9% 0.2% 21.9%
Tony Gantner 23.3% 20.5% 18% 7.9% 7.7% 5.9% 2.3% 1.3% 13.1%
Wilma Pang 20.8% 9% 12.4% 25.8% 8.9% 2% 3% 5.6% 12.4%
Mark Quessey 16.2% 11.8% 14.2% 2.5% 10.3% 10.3% 4.4% 15.7% 0.5% 14.2%
Write-In 11.4% 5.7% 2.9% 2.9% 77.1%

Final Vote by First Choice

This table tracks which candidate ballots were ultimately allocated to, among ballots that ranked an eliminated candidate first.

Final Round Choice
First Round Choice
David Chiu
Joseph Alioto, Jr.
Exhausted
Denise Mccarthy 32.9% 27.3% 39.7%
Claudine Cheng 41.9% 28.1% 30%
Lynn Jefferson 20.3% 29.3% 50.4%
Mike Denunzio 10% 39.9% 50.2%
Tony Gantner 33.1% 30.2% 36.7%
Wilma Pang 40% 15.2% 44.7%
Mark Quessey 24% 16.7% 59.3%
Write-In 11.4% 2.9% 85.7%

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