This page explains how Keith Veizer (USATT# 90552)'s rating went from 1129 to 1111 at the New Orleans Mardi Gras Open held on - 15 Feb 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.