This page explains how Herman J. Ginsburg (USATT# 1372)'s rating went from 1307 to 1381 at the Genesee Valley Open held on - 12 Nov 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.