This page explains how Slava Katz (USATT# 7178)'s rating went from 1519 to 1560 at the October Westfield Open held on - 19 Oct 1997. 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.