This page explains how Nelson Yu (USATT# 65178)'s rating went from 1959 to 1967 at the Daly City Mayoral Trophy TTT held on - 23 Jul 2000. 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.