This page explains how Lewis Farmer (USATT# 74556)'s rating went from 1056 to 1030 at the Quail Creek TTC League event from 31 Jan 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.