This page explains how Justin Scott Rosales (USATT# 69729)'s rating went from 1243 to 1217 at the LYTTC January Open held on - 5 Jan 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.