This page explains how Alla Lantsman (USATT# 212702)'s rating went from 1836 to 1786 at the West Jersey Table Tennis Club League event from 2 Feb 2023. 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.