This page explains how David Lam (USATT# 85278)'s rating went from 1840 to 1846 at the ITTA Whippany League event from 22 May 2016. 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.