This page explains how Chongsheng Kang (USATT# 3727)'s rating went from 1671 to 1827 at the Keystone State Games held on - 2 Aug 1998. 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.