This page explains how Ernesto Ryuki Kawamoto (USATT# 3072)'s rating went from 1987 to 1965 at the 2011 Alabama Closed Team Championship held on - 26 Mar 2011. 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.