This page explains how Eric Zheng (USATT# 35038)'s rating went from 1927 to 1875 at the 2010 Eastern Open on the JOOLA NA Tour held on - 23 May 2010. 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.