This page explains how Chong Keng Tay (USATT# 14532)'s rating went from 2161 to 2151 at the LATTA Washington Cup held on - 13 Nov 2011. 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.