This page explains how Xinhua Yin (USATT# 81327)'s rating went from n/a to 1224 at the Atlanta Giant RR held on - 7 Nov 2009. 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.