This page explains how Bryan Young (USATT# 215717)'s rating went from 1458 to 1457 at the Matchpoint TTC Friday League event from 27 Dec 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.