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Performance-only peak comparison

Ed Corney vs Frank Zane: Prime Comparison

Compare two bodybuilders at their peak using Olympia-win prime windows and era-normalized scoring. No cultural-impact bonus is used here.

Era-adjusted board

Ed Corney prime vs Frank Zane prime

Same division comparison. Ed Corney scores 7.1 for 1968-1969. Frank Zane scores 28.5 for 1977-1979.

Same division comparison Cultural impact excluded
Ed Corney

Ed Corney

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Prime window
1968-1969
Prime score
7.1
Olympia wins
0
Prime win rate
66.7%
OFSI avg
0.000
Prime field avg
0.0

Men's Open Bodybuilding - division launch: 1965

Frank Zane

Frank Zane

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Prime window
1977-1979
Prime score
28.5
Olympia wins
3
Prime win rate
100.0%
OFSI avg
0.420
Prime field avg
12.3

Men's Open Bodybuilding - division launch: 1965

Score bars

Performance-only prime score

Prime score = Prime EAODS + prime competition score + prime consistency bonus. Cultural impact and historical bonuses are excluded.

  • Ed Corney: EAODS 0.0, competition 5.6, consistency 1.5.
  • Frank Zane: EAODS 17.0, competition 8.5, consistency 3.0.
  • Prime window = Olympia-win years only. Scores are performance-only: no cultural or historical component.
Limitations

What this comparison does not claim

OFSI is a field-size proxy. It does not measure the quality of each opponent, judging criteria, training technology, or public influence. The page is a deterministic comparison over database results, not a verdict generator.

  • Cross-division matchups are allowed and labeled as era comparison only.
  • Athletes with no Olympia title use a career-best three-year window and are labeled as such.
  • Classic Physique uses Classic-specific Olympia fields, with 2016 shown as the division launch year.
Methodology

How the prime score is built

The prime score is a performance-only total. It reuses the era-adjusted board's components for an athlete's Olympia-win prime window, with cultural and historical components deliberately removed so the comparison stays on the field of play.

  • Era-Adjusted Olympia Dominance: max 40.
  • Competition Record: max 20.
  • Consistency Bonus: max 10.
  • Cultural impact and historical components are excluded from the prime score.
  • Prime window = Olympia-win years only. Scores are performance-only: no cultural or historical component.
Methodology-based Figures are query-derived; the prime score follows a fixed, published weighting of era-adjusted Olympia dominance, competition record, and consistency over each athlete's Olympia-win prime window. Updated September 3, 2026