Now, now I can hear the oxen owners screaming as their lead animals are being gored, and yes I'm sure you have your own personal favorites. But I'll say it again - the BTI is the gold standard. There's a number of reasons for this:
1. BTI accepts no advertising, nor sponsorship. Participation is entirely voluntary with all distillers paying the same standard price for evaluation. All products submitted are reviewed and scored, and include copious review notes. Good or bad, gulp, these are all published.
Not like safe, unpublished shill awards at the faux competitions.
2. Tasting is done by a panel of senior staff members, all of whom are recognized and experienced sensory evaluation experts, plus a group of outside experts that have undergone training in BTI's proprietary evaluation methods.
Not a bunch of promoter wannabees and hangers on.
3. All the flights are performed blind, neat, and under very closely controlled conditions using Reidel stemware. Tasting is done at the same time of day at 68 degrees in pleasant and calm testing rooms. Flights are limited to prevent tasting fatigue.
Not like the 50+ rums "tasted" by ever more looped gang of guzzlers.
4. BTI believes in the use of a shorter scale (for accuracy) and proceeds in two rounds. The first round is scored:
1--Not recommended (less than 80 points).
2--Of sound commercial quality, though not overly exciting (80-84).
3--Shows style and character, yet probably not of the highest merit (85-89).
4--Highest quality.
Spirits earning at least two "4's" (highest quality) are reevaluated in a second round:
3--Very good, but not of the highest merit (88-89 points).
4--Truly excellent in style and distinction (90-92).
5--Outstanding, though not quite one of the world’s finest (93-95).
6--Provides a world-class experience (96-100).
The final results are then translated into a modified 100 point scale:
96-100--Superlative
90-95--Exceptional
85-89--Highly Recommended
80-84--Recommended
less than 80--Not Recommended
Not broken down into disintegrated, simplistic systems or "methods", wherein the bottle and label may mean more than the rum.
5. Interestingly this system is based on use of a the "mode" (most frequent score) rather than the much more typical "average". As we all should realize, there is no such thing as an average anything. This is particularly true in idiocy, ergo I am "The Compleat Idiot" of rum. QED. Spirts which seem controversial, or earn widely disparate scores are reevaluated to eliminate "bad bottles" or the like.
6. I have evaluated the distribution of scores:

As shown the scores fall into a very reassuring bell curve (aka normal distribution), which is strong reassurance for the lack of bias, and is as it should be.
7. Last, and least important, I have closely examined my own highly rated reference rums against BTI's scoring of them. These matched up well, both in scoring and and profiles.
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Score (ten is best): 9 (due to some inaccessibility of reviews).
A reliable and thorough resource that has evaluated more rums, more completely than any other resource on the net. You are well advised to strongly consider any rum scoring 90 or above at BTI. For a fascinating debate regarding BTI, please be sure to click on this thread (link): the BTI debate occurs near the bottom of the page.
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More rum reviewer's reviews:
1. Beverage Tasting Institute, for a real bell curve. The gold standard.
2. Arctic Wolf, biased, bitter reviews. I'm serious!
3. RnD Rum Reviews, biased, favoring sweet, smooth and expensive. Rum with Koolaid.