This page explains how Ying Peng (USATT# 30666)'s rating went from 2123 to 2135 at the Annual Paul Cracraft Memorial held on - 18 Sep 2004. 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.