This page explains how John T. Lam (USATT# 25738)'s rating went from 1771 to 1761 at the 2012 Aloha State Games held on - 3 Jun 2012. 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.