This page explains how Sam Latham (USATT# 12974)'s rating went from 1218 to 1252 at the 2000 Irving Round Robin Open held on - 26 Mar 2000. 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.