This page explains how Keith Pech (USATT# 32336)'s rating went from 2280 to 2293 at the America's Team Championship held on - 25 May 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.