This page explains how David Lam (USATT# 85278)'s rating went from 2117 to 2063 at the NJTTC Thursday Adv League event from 28 Jun 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.