This page explains how Wenyan Drake (USATT# 81064)'s rating went from 1235 to 1234 at the 2012 Missouri Winter Games Open held on - 17 Mar 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.