This page explains how Douglas Yi Li (USATT# 59160)'s rating went from 2108 to 2101 at the NJTTC Friday League event from 1 Feb 2019. 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.