This page explains how Harvey Gutman (USATT# 6323)'s rating went from 1859 to 1830 at the Matchpoint TTC Friday League event from 22 Nov 2019. 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.