Red · New South Wales · Australia
De Bortoli First Block Shiraz
Scored from 21 calibrated Vivino reviewers, each re-centered on their own rating baseline before the bottle is ranked. Cohort: Red · Australia (517 wines).
Find this wine: view on Vivino · compare prices on Wine-Searcher
What reviewers say
“Price is wrong I guess. I bought it around 5 euros in 2016. I didnt expect that much taste. I really liked it. Fruity and tastes like a domisec wine even though dry. Berry taste impressive.”
From a top-rated Vivino review for this bottle.
Summary
Full-bodied and rich is varietal spice and red berry fruit, this Shiraz is another great
De Bortoli First Block Shiraz is an Australian red made from Shiraz Syrah. It comes from New South Wales, in Australia.
Only 21 of its Vivino reviewers rate with enough spread for a personal baseline to be measured, so the calibrated figure rests on a thin sample; a broader pool of 23 reviewers with at least two ratings feeds the raw-average track. Its in-cohort standing is measured against 516 other reds from Australia, 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 De Bortoli First Block Shiraz 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 Red · Australia (517 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 21.
