This page explains how Samuel Chau (USATT# 69700)'s rating went from 1144 to 1143 at the FL Orange Blossom Series Sprin held on - 2 May 2009. 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.