This page explains how Alla Lantsman (USATT# 212702)'s rating went from 1852 to 1848 at the West Jersey Table Tennis Club League event from 21 Jul 2022. 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.