This page explains how Mario Davila (USATT# 21199)'s rating went from 1978 to 1981 at the Glen Head Table Tennis Center Saturday Night League event from 19 May 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.