This page explains how Tuan Dai Le Md (USATT# 47064)'s rating went from 2261 to 2266 at the San Diego 40th Anniversary Ope held on - 3 Oct 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.