This page explains how Han Xiao (USATT# 1819)'s rating went from 1660 to 1664 at the 1996 Jr. Olympics held on - 7 Aug 1996. 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.