This page explains how Eugene (Pat) E. Khyle (USATT# 32823)'s rating went from 1150 to 1150 at the San Antonio Summer Open held on - 11 Aug 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.