Survivor: The Amazon boxscores
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Survivor: The Amazon boxscores - Episode 13
"...And Then There Were Four"
By Jeff Pitman | Published: September 6, 2017

Filmed: December 10-12, 2002 |  Aired: Sunday, May 11, 2003
Jenna wins F4 IC
Butch out, 3-1
Jenna wins final IC
Rob out, 1-0
Jury vote: Jenna wins, 6-1

 

  • F4 Immunity challenge: "Braille Maze" - A challenge that would have been pretty rough for Christy, turns out to bea walk in the dark for Jenna.
  • F4 voted out: Butch, 3-1 over Rob.
  • F3 Immunity challenge: "Will Power" - After Matt mysteriously takes an early dive, Jenna outlasts Rob, wins.
  • F3 voted out: Rob, 1-0 (or 2-1).
  • Final jury vote: Jenna wins, 6-1 over Matt.

 

Episode 13 scoring notes

Notes: Scoring in the F4 IC: Jenna-4 necklaces, Matt-3, Rob-2, Butch-1. We all know what happened after that. Ho hum.

 

F3 Tribal council: As is traditional in F2 seasons, Matt (who didn't physically cast a vote) gets credit for a VFB, but Rob only receives 1 VAP (and there are 3 total votes). Confusing, yes, but it seems to best balance the arbitrary nature of the autovotes.

 

F4 vote count:

- Butch received 3 votes, from Jenna, Matt, and Rob (voted out, 3-1).

- Rob received 1 votes, from Butch.

F3 vote count:

- Rob received 1 vote, from Jenna (voted out, 1-0, or 2-1).

Jury vote count:

- Jenna received 6 votes, from Rob, Heidi, Christy(!), Alex, Deena, and Dave - Winner, 6-1.

- Matt received 1 vote, from Butch.

Episode 13 boxscore - challenges
F4 Immunity Challenge F3 Immunity Challenge
Contestant ChW ChA Plc % Fin ChW ChA Plc % Fin MPF
Matthew 0 1 2 0.75 0 1 3 0.33 0.713
Jenna 1 1 1 1.00 1 1 1 1.00 0.596
Rob 0 1 3 0.50 0 1 2 0.67 0.578
Butch 0 1 4 0.25 - - - - 0.481
Episode 13 boxscore - Tribal Councils
F4 Immunity Challenge F3 Immunity Challenge
Contestant VFB VAP TotV TCA VFB VAP TotV TCA
Matthew 1 - 4 1 1 - 3 1
Jenna 1 - 4 1 1 - 3 1
Rob 1 1 4 1 0 1 3 1
Butch 0 3 4 1 - - - -
Episode 13 boxscore - Jury vote
Tribal council stats
Contestant JVF TotJ JV% SurvSc SurvAv
Jenna 6 7 0.86 2.04 13.14
Matthew 1 7 0.14 1.40 8.05
Rob - - - 1.03 4.82
Butch - - - 0.77 3.05
Heidi - - - 0.86 4.06
Christy - - - 0.57 1.89
Alex - - - 0.95 3.98
Deena - - - 1.11 4.39
Dave - - - 0.81 3.14
Roger - - - 1.00 2.28
Shawna - - - 0.69 1.65
Jeanne - - - 0.72 1.59
JoAnna - - - 0.40 0.55
Daniel - - - -0.03 0.14
Janet - - - 0.03 0.27
Ryan - - - -0.50 0.00
Glossary of terms
  • Challenge stats
    • ChW: Challenge Wins. For tribal challenges, a contestant earns a fraction of 1 win, depending on if they participated (no points for sitting out). So in a five-person tribe's win, each participant gets (1/5) of a point, or 0.2 points. Duels (or individual RCs as in Ep1) at Redemption Island count as half a challenge (and half a win). Individual challenge wins count as a full point.
    • ChA: Challenge Appearances. Used to calculate ChW%. Fractional for tribal challenges (same as ChW), except sit-outs get charged for an appearance, because they could have participated.
    • ChW%: Challenge Win%. Simply, ChW% = ChW / ChA.
    • SO: The number of times a contestant sat out of a challenge.
    • Plc: Place finished in an individual challenge
    • %Fin: Percent finish - roughly, percent of a win achieved, with 1 being 100%.
    • MPF: Mean % finish - mean of all % finishes in individual challenges.
  • Tribal Council stats
    • VFB: Votes For Bootee. The number of times the contestant has voted for the person who was ultimately voted out. Applies only to initial votes (no points for revotes in case of a tie). Special case: In a final three TC, where only one vote is cast (by the F3 IC winner), only that vote counts.
    • VAP: Votes Against the Player. The total number of tribal council votes cast against the contestant. Again, only initial votes count (no penalty for revotes), and here a hidden immunity idol (if played) erases the votes. In the special case of a final three tribal council above, only the F3 bootee receives a vote against.
    • TotV: Total votes cast during the tribal councils the player has attended (again, only initial votes count). Used to adjust for different vote totals as tribes shrink.
    • TCA: Tribal council appearances. The number of times a contestant has attended tribal council (at which they voted).
    • TC%: Tribal Council percent. Attempts to reward voting for the bootee (which players controlling the vote almost always do), while punishing receiving votes yourself. The formula is: TC% = [VFB - (VAP/TotV)] / TCA.
    • wTCR: weighted Tribal Council Ratio. Very similar in intent to TC%, but calculated as a ratio of VFB to VAP, while also scaling to a uniform number of TC appearances. The formula is as follows: wTCR =2* [VFB / (4+VAP)] x (14/TCA). I originally tried (1+VAP) to avoid dividing by zero, but this overly rewarded getting zero votes against relative to just one vote against, which seemed silly. (4+VAP) scaled that effect back comfortably. 14 was used as the scaling factor for TC appearances because there are usually 14 episodes, then a final scaling factor of 2 to bring maximal scores up to roughly even with ChW and JV% high scores.
  • Jury stats
    • JVF: Number of jury votes for the contestant to win. Maximum nine (Earl Cole, Fiji), theoretically.
    • TotJ: Total number of jurors. Necessary to not punish unanimous 7-juror winners (JT Thomas, Tocantins).
    • JV%: The percent of total jury votes cast for the contestant, or Jur% = JVF/ TotJ. This number is used, raw, in SurvSc, and is scaled in SurvAv (multiplied by six) to make it similar in size to ChW and wTCR.
  • Overall scores
    • Survival Score (SurvSc). It's simply the sum of Challenge Win% (ChW%) + Tribal Council% (TC%) + Jury Vote%, for a maximum possible score of 2 (3 after the finale).
    • Survival Average (SurvAv). It's a simple sum of fractional Challenge Wins (ChW), weighted TC Ratio (wTCR), and (eventually) a weighted Jury%. The latter two max out at six points total, for a theoretical maximum score of around 18 or so.

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