This page explains how Mario Davila (USATT# 21199)'s rating went from 1960 to 1947 at the Long Island Table Tennis Center - No Longer Open event from 12 Jan 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.