This page explains how Ernesto Ryuki Kawamoto (USATT# 3072)'s rating went from 1866 to 1869 at the Atlanta Giant RR held on - 21 Nov 1998. 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.