This page explains how Craig S. Yancey (USATT# 33734)'s rating went from 1664 to 1621 at the Westside Kansas City Table Tennis event from 6 Oct 2018. 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.