This page explains how Raymond B. Landis (USATT# 24743)'s rating went from 1180 to 1165 at the Los Angeles Table Tennis Association event from 26 Jan 2013. 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.