This page explains how Danny Nail (USATT# 19401)'s rating went from 1321 to 1291 at the FL Orange Blossom Series-Spring Classic 2010 held on - 15 May 2010. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.