This page explains how John Brendon (USATT# 264705)'s rating went from 1375 to 1310 at the Central Carolinas Super League event from 26 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.