This page explains how Jonathan Li (USATT# 80741)'s rating went from 1801 to 1793 at the 2011 DFWTT Spring Open held on - 16 Apr 2011. 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.