This page explains how Sam Latham (USATT# 12974)'s rating went from 1086 to 1262 at the HTTC Open held on - 5 Jun 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.