[quote=dssaak]sam,
Our system doesn't 'crunch numbers'. Our perspective is ratings for 98% of the boats that are in our fleet or likely to be in our fleet have existed for a very long time; even decades. PHRF or PYS, there is usually a starting point for relative speed between nearly all boats. A large percentage of those that do not fall into PHRF or PYS are similar enough to other boats to give a beginning rating. From that point on, for us, it is up to observed performance. If you read our documentation, we have an approach for minimizing the 'probable error' in any one rating. Beyond that, we have discovered that ratings actually impact results less that a need to harmonize ratings between dissimilar boats. We do that with B Factor manipulation. Again, this works for our fleet and the very diverse mix of boats that we see each week.[/quote]
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