This page explains how Hunlan Lin (USATT# 218055)'s rating went from 1907 to 1893 at the 2019 Ultimate Fieldhouse April Open held on 20 Apr 2019 - 21 Apr 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.