This page explains how Michael Zhang (USATT# 89100)'s rating went from 1216 to 1246 at the LYTTC Friday Pro League event from 12 Apr 2014. 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.