This page explains how Luke Wong (USATT# 219958)'s rating went from 1213 to 1198 at the Boston TTC Div.B event from 6 Aug 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.