This page explains how Jacob Deleon (USATT# 1912)'s rating went from 1992 to 1987 at the San Antonio Summer Open held on - 24 Aug 2014. 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.