RankquantRQ

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Live · 69,234 wines

Wines

Every wine with at least 3 z-qualifying Vivino reviewers, ranked on the mean per-reviewer z-score and dual-scored (z-normalized + raw average).

69,234
Wines
3.24M
Vivino reviewers
14.3M
Reviews ingested
1.17M
Z-qualified pool

Source coverage at launch

One source at launch — Vivino. Every qualifying reviewer is normalized onto their own z-scale and then counted equally: no reviewer and no source counts for more than any other. Professional-critic integration (Wine Advocate, Wine Spectator, Jancis Robinson, Decanter, Vinous, James Suckling, Jeb Dunnuck, CellarTracker) is on the roadmap, and when a second source joins its reviewers enter the same normalization on the same equal footing.

Vivino is the live source. Professional critic integration is roadmapped; those reviewers will be z-normalized and counted exactly like every other reviewer.
Vivino (live)3.24M reviewers, 14.3M reviews ingested. 1.17M qualified for z-normalization (DB1, stddev>0); 1.37M qualified for raw-average track (DB2, review_count≥2). Catalog filter: ≥3 z-normalizable reviewers per wine.
Wine Advocate (planned)Oldest professional 100-pt scale
Wine Spectator (planned)Institutional panel reviews
Jancis Robinson MW (planned)20-pt scale with less inflation pressure
Decanter, Vinous (planned)International panel coverage
James Suckling, Jeb Dunnuck (planned)Prolific professional critics
CellarTracker (planned)Enthusiast crowd, deep on specific wines
Vivino is the live source. Professional critic integration is roadmapped; those reviewers will be z-normalized and counted exactly like every other reviewer.

Global, cohort and adjusted percentiles

Every wine publishes three figures, and all three are built from the same reviewer-normalized z-score — each reviewer re-centered on their own mean and divided by their own standard deviation, then counted equally.

Each product page publishes all three numbers alongside the reviewer counts behind them — so you can audit any percentile against the published formulas and constants on our methodology page.

What we'll cover at launch

Year-one target: 150-200 wines reviewed end-to-end with full normalization math visible. Cadence: 2-4 wines per week. Coverage priorities:

Expansion from there driven by search demand and seasonal relevance. See the full methodology for the math behind every score.

Frequently asked questions

Why wines first and not books or electronics?+
Wine criticism has the longest-running quantitative scoring culture (Parker 100-pt since 1978) and therefore the most extreme rating inflation on the internet — the effective range is 85–100 compressed from a nominal 50–100. If our methodology can cut through 40 years of wine-score inflation, it can cut through anything. Wines are the proof-of-concept category.
How often will wine scores update?+
Scores recompute automatically as new reviews arrive. Each new qualifying reviewer is normalized against their own rating history and then counted exactly like every other reviewer — no source and no critic carries extra weight — so heavily reviewed wines drift continuously while thinly covered bottles move in visible steps as their sample grows.
Will you cover natural wines / obscure producers?+
Yes, and thin coverage is charged for rather than hidden. The global and in-cohort percentiles rank the mean per-reviewer z-score exactly as measured, so a natural wine with 6 qualifying reviewers is reported, not discounted. The discount lives in the AI-adjusted percentile, which re-ranks that same mean times n / (n + 53): at n=6 the wine keeps about a tenth of its distance from the corpus average until its coverage earns the rest back. Each wine also publishes its 90% one-tailed lower bound as a diagnostic field alongside its reviewer count, so you can see how far the true value could sit below what was measured. Nothing is ranked on that bound.
What retailers do you link to?+
Mostly none, in the affiliate sense — there is no wine affiliate program to join. A wine page links to its Vivino page (when we hold a Vivino ID) and to a Wine-Searcher query for that winery, name and vintage. Both are plain untracked links that earn Rankquant nothing, and Wine-Searcher is where the retailer price comparison actually happens; we do not run one ourselves. The one exception is Amazon: it sells a small slice of the catalog, and the wines whose exact bottle we could match there also show a "buy on Amazon" link, which is an Amazon Associates link and may earn a commission at no extra cost to you.

Status: wines is live with 69,234 dual-scored wines. Browse the catalog at /wines/catalog, or view the full methodology for how each score is computed.