This page explains how Lawrence B Selvin (USATT# 29024)'s rating went from 1513 to 1408 at the Mastiff Table Tennis Club event from 16 Sep 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.