This page explains how Tom Lackaff (USATT# 4387)'s rating went from 1907 to 1943 at the NJTTC Monday League event from 19 Mar 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.