This page explains how Bowen Rao (USATT# 83264)'s rating went from 1800 to 1800 at the LATTF event from 2 Jun 2013. 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.