This page explains how HARRY CHAFETZ (USATT# 83536)'s rating went from 968 to 968 at the PPC October Open held on 28 Oct 2017 - 29 Oct 2017. 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.