This page explains how JINHUA LOU (USATT# 34013)'s rating went from 1878 to 1858 at the Pacific Sports Exchange Open held on - 29 Jul 2012. 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.