This page explains how Mark Tomlin (USATT# 927032)'s rating went from 1427 to 1388 at the Oceanside Table Tennis: Thursday league event from 28 Jun 2018. 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.