This page explains how William D. Metz (USATT# 43712)'s rating went from 1601 to 1578 at the Keystone State Games held on - 7 Aug 1994. 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.