This page explains how Lisa Modlich (USATT# 60992)'s rating went from 1520 to 1517 at the S.E. Texas Summer Open held on - 28 Oct 1995. 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.