This page explains how Alan B. Pruce (USATT# 19698)'s rating went from 1897 to 1892 at the MDTTC Saturday League event from 31 Mar 2013. 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.