This page explains how Bella Livshin (USATT# 64912)'s rating went from 1797 to 1787 at the Los Angeles Table Tennis League event from 6 Nov 2009. 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.