Sparkling · Constantia · Afrique du Sud
Steenberg 1682 Chardonnay Brut
Scored from 654 calibrated Vivino reviewers, each re-centered on their own rating baseline before the bottle is ranked. Cohort: Sparkling · Afrique du Sud (19 wines).
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Summary
From Constantia in South Africa, Steenberg 1682 Chardonnay Brut is a sparkling wine.
The calibrated figure is built from 654 reviewers whose rating history varies enough to place their own average. A broader pool of 660 reviewers with two or more ratings feeds the raw-average track instead. Its in-cohort standing is measured against 18 other sparkling wines from South Africa, not against the corpus as a whole.
How the score was built
We compare the reviewers of this bottle against every other wine those same people reviewed. Each review is scored relative to the reviewer's own baseline — four stars from someone who hands out fives means something very different from four stars from someone who rarely goes above three. Every reviewer then counts the same, so the result is a calibrated consensus rather than a star average.
- Global percentile
- Where Steenberg 1682 Chardonnay Brut lands against every wine we rank.
- In-cohort percentile
- The same comparison narrowed to its cohort — wines of the same type from the same country. A Chilean red is judged against Chilean reds, not against Champagne. Ranked against Sparkling · Afrique du Sud (19 wines).
- AI-adjusted percentile
- The same reviewer-normalized score, corrected for how much confidence the sample supports: thin samples are pulled toward the corpus average. Each wine keeps the share n / (n + 53) of its measured distance from the average, where n is its calibrated-reviewer count, and the result is ranked on the same scale as the global percentile.53 is the median sample size across everything we rank. Here n is 654.
Cohort: Sparkling · Afrique du Sud
