This page explains how William L Warren (USATT# 94096)'s rating went from 1437 to 1440 at the Long Island Table Tennis Center - No Longer Open event from 13 Oct 2017. 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.