This page explains how Yong Ren (USATT# 16465)'s rating went from 2174 to 2195 at the 1999 Sam Lima Memorial held on - 5 Sep 1999. 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.