This page explains how Teddy Y. Tong (USATT# 1532)'s rating went from 1522 to 1517 at the LATTF event from 19 Sep 2010. 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.