Wednesday, June 2, 2010

Beeradvocate ratings systems

When reviewing beers, I adhere to the Beeradvocate standard.

Beers are rated on five attributes, using a score of 1-5 (1 the lowest, 5 the highest). These attributes are weight-averaged to produce an overall rating for the beer.

Appearance (20%)
Smell (20%)
Taste (40%)
Mouthfeel (10%)
Drinkability (10%)

The Beer Lover's Rating Guide: Revised EditionFor example, a beer with respective attribute scores of 2.0, 2.5, 3.0, 2.5, 3.0 will have an overall score of:

(2 x 20%) + (2.5 x 20%) + (3.0 x 40%) + (2.5 x 10%) + (3.0 x 10%)  =  2.65

The rating is also represented on the scale A+ to F, with a description.

Score Text Label Rating
>= 4.51 A+ world class
>= 4.26 A outstanding
>= 4.01 A- excellent
>= 3.76 B+ very good
>= 3.51 B good
>= 3.26 B- worthy
>= 3.01 C+ decent
>= 2.76 C mediocre
>= 2.51 C- not worthy
>= 2.26 D+ avoid
>= 2.01 D avoid
>= 1.76 D- avoid
< 1.76 F avoid

More information available here http://beeradvocate.com/help/index?topic=ratings

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