This page explains how Brian Sun (USATT# 91741)'s rating went from 1253 to 1235 at the SVTTC Sunday U2000 event from 1 Mar 2015. 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.