This page explains how Thanh Lee (USATT# 11817)'s rating went from 1726 to 1720 at the ACUI International TTT Closed held on - 26 Apr 1997. 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.